CA1117081A - Accumulator type manual atomizer - Google Patents
Accumulator type manual atomizerInfo
- Publication number
- CA1117081A CA1117081A CA000348508A CA348508A CA1117081A CA 1117081 A CA1117081 A CA 1117081A CA 000348508 A CA000348508 A CA 000348508A CA 348508 A CA348508 A CA 348508A CA 1117081 A CA1117081 A CA 1117081A
- Authority
- CA
- Canada
- Prior art keywords
- diameter
- cylindrical portion
- atomizer
- engaging member
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
- B05B11/104—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber the outlet valve being opened by pressure after a defined accumulation stroke
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
Abstract
ABSTRACT OF THE DISCLOSURE
An accumulator type, rechargeable atomizing spray mechanism having a container for the liquid to be atomized, and further having an atomizer body, an atomizer head, an engaging member having a large-diameter hollow cylindrical portion. The atomizer has large-diameter pistons formed on a piston member. The large-diameter hollow cylindrical portion of the engaging member is telescopically inserted within the peripheral wall of the atomizer head and is formed with a rod portion depending from the upper inside portion thereof. Both the pistons are respectively telescopically inserted into the upper large-diameter and lower small-diameter cylindrical portions of the engaging member and the atomizer body. The engaging member has a nozzle opening perforated at the large-diameter cylindrical portion thereof and normally closed by the large-diameter piston of the piston member. The suction valve hole perforated at the inside bottom of the lower-cylindrical portion of the atomizer body is also closed by the rod-like valve body of the engaging member.
This atomizer eliminates the use of a ball valve as used in the conventional atomizer and also simplifies the construction thereof.
An accumulator type, rechargeable atomizing spray mechanism having a container for the liquid to be atomized, and further having an atomizer body, an atomizer head, an engaging member having a large-diameter hollow cylindrical portion. The atomizer has large-diameter pistons formed on a piston member. The large-diameter hollow cylindrical portion of the engaging member is telescopically inserted within the peripheral wall of the atomizer head and is formed with a rod portion depending from the upper inside portion thereof. Both the pistons are respectively telescopically inserted into the upper large-diameter and lower small-diameter cylindrical portions of the engaging member and the atomizer body. The engaging member has a nozzle opening perforated at the large-diameter cylindrical portion thereof and normally closed by the large-diameter piston of the piston member. The suction valve hole perforated at the inside bottom of the lower-cylindrical portion of the atomizer body is also closed by the rod-like valve body of the engaging member.
This atomizer eliminates the use of a ball valve as used in the conventional atomizer and also simplifies the construction thereof.
Description
111~7V~
The present in~ention relates to an atomizer and, more particularly, to an accumulator type manual atomizer for atomizing a liquid such as perfume, cosmetic preparations or the like.
Various atomizers of this type have been widely used heretofore, but are more complicated in construction than the normal manual atomizer because they incorporate a greater numb~r of components and parts. Such accumulated atomizers accordingly introduced troublesome assembly work in manufacture and also increased the risk of trouble.
It is, therefore, one primary object of the present invention to provide an accumulator type manual atomizer which can eliminate the aforementioned drawbacks and disadvantages of the conventional atomizer of this type.
Another important object of the present invention is to provide an accumulator type manual atomizer which can be readily assembled and manufactured with fewer components at lower cost.
Still another object of the present invention is to provide an accumulator type manual atomizer which eliminates the displacement of a valve, such as a ball valve, when inclining the atomizer to thereby prevent leakage of liquid contained.
Still another object of the invention is to provide an accumulator type atomizer which also eliminates the possibility of losing a valve,such as a ball valve, when assembling the atomizer to thereby simplify manufacture.
Thus by one aspect of this invention there is provided a liquid spraying device comprising: a container for liquid, an atomizer body having an engaging peripheral portion engaged with the neck portion of said container and holding a main cylin-111708~
drical portion formed at the lower portion thereof with a lower small-diameter hollow cylindrical portion via a radially inwardly extending flange-like upper wall projected from the upper end of the engaging peripheral portion, an atomizer head formed with a nozzle outlet perforated at the upper side face of the per-ipheral wall of said atomizer body depended from the peripheral edge of the top wall thereof, an engaging memberhaving a large-diameter hollow cylindrical portion telescopically inserted within the peripheral wall of said atomizer head and formed with a rod portion depending from the upper inside portion of the large-diameter cylindrical portion thereof, a piston member having a tubular portion slidably engaged on the rod portion of said engaging member and formed with a skirt-like small-diameter piston at the lower end thereof and with a skirt-like large-diameter piston at the upper end thereof in a manner that both the pistons are respectively telescopically inserted into the upper large-diameter and lower small-diameter cylindrical portions of said engaging member and said atomizer body, a suction tube engaged with the lowermost portion of the lower small-diameter hollow cylindrical portion of said atomizer body for intaking the liquid in said container, and spring means arranged between the main cylindrical portion of said atomizer body and said piston member for urging upwardly said piston member, said engaging member and said atomizer headl said atomizer body having a suction valve hole provided at the inside bottom of the small-diameter cylindrical portion thereof and means to open and close said valve hole, said engaging member having a nozzle opening perforated at the large-dlameter cylindrical portion thereof to communicate with the nozzle outlet of said atomizer head and normally closed by the large-diameter piston of ~1~7~1R~
of said piston member, a liquid passage defined between the outer surface of said engaging member and the inner surface of said piston member for communicating the liquid from said container therethrough into the nozzle outlet of said atomizer head.
The invention will be described in more detail hereinafter with reference to the drawings in which:
Fig. 1 is a longitudinal elevational sectional view of the upper portion of an accumulator type manual atomizer showing one preferred embodiment constructed according to the present invention; and Fig. 2 is an enlarged partial elevational sectional view of another embodiment of the atomizer of the present invention.
An accumulator type manual atomizer constructed according to one preferred embodiment of the present invention will now be described with reference to the drawing showing the upper portion of the accumulator type atomizer constructed according to the present invention as illustrated in Figure 1.
The accumulator type atomizer of the present invention comprises six essential parts,namely: an atomizer body 1, an atomizer head 20, an engaging member 30, a piston member 40, a suction tube 50 ~ 7~
Il 1 i and a spring 60 .
The present in~ention relates to an atomizer and, more particularly, to an accumulator type manual atomizer for atomizing a liquid such as perfume, cosmetic preparations or the like.
Various atomizers of this type have been widely used heretofore, but are more complicated in construction than the normal manual atomizer because they incorporate a greater numb~r of components and parts. Such accumulated atomizers accordingly introduced troublesome assembly work in manufacture and also increased the risk of trouble.
It is, therefore, one primary object of the present invention to provide an accumulator type manual atomizer which can eliminate the aforementioned drawbacks and disadvantages of the conventional atomizer of this type.
Another important object of the present invention is to provide an accumulator type manual atomizer which can be readily assembled and manufactured with fewer components at lower cost.
Still another object of the present invention is to provide an accumulator type manual atomizer which eliminates the displacement of a valve, such as a ball valve, when inclining the atomizer to thereby prevent leakage of liquid contained.
Still another object of the invention is to provide an accumulator type atomizer which also eliminates the possibility of losing a valve,such as a ball valve, when assembling the atomizer to thereby simplify manufacture.
Thus by one aspect of this invention there is provided a liquid spraying device comprising: a container for liquid, an atomizer body having an engaging peripheral portion engaged with the neck portion of said container and holding a main cylin-111708~
drical portion formed at the lower portion thereof with a lower small-diameter hollow cylindrical portion via a radially inwardly extending flange-like upper wall projected from the upper end of the engaging peripheral portion, an atomizer head formed with a nozzle outlet perforated at the upper side face of the per-ipheral wall of said atomizer body depended from the peripheral edge of the top wall thereof, an engaging memberhaving a large-diameter hollow cylindrical portion telescopically inserted within the peripheral wall of said atomizer head and formed with a rod portion depending from the upper inside portion of the large-diameter cylindrical portion thereof, a piston member having a tubular portion slidably engaged on the rod portion of said engaging member and formed with a skirt-like small-diameter piston at the lower end thereof and with a skirt-like large-diameter piston at the upper end thereof in a manner that both the pistons are respectively telescopically inserted into the upper large-diameter and lower small-diameter cylindrical portions of said engaging member and said atomizer body, a suction tube engaged with the lowermost portion of the lower small-diameter hollow cylindrical portion of said atomizer body for intaking the liquid in said container, and spring means arranged between the main cylindrical portion of said atomizer body and said piston member for urging upwardly said piston member, said engaging member and said atomizer headl said atomizer body having a suction valve hole provided at the inside bottom of the small-diameter cylindrical portion thereof and means to open and close said valve hole, said engaging member having a nozzle opening perforated at the large-dlameter cylindrical portion thereof to communicate with the nozzle outlet of said atomizer head and normally closed by the large-diameter piston of ~1~7~1R~
of said piston member, a liquid passage defined between the outer surface of said engaging member and the inner surface of said piston member for communicating the liquid from said container therethrough into the nozzle outlet of said atomizer head.
The invention will be described in more detail hereinafter with reference to the drawings in which:
Fig. 1 is a longitudinal elevational sectional view of the upper portion of an accumulator type manual atomizer showing one preferred embodiment constructed according to the present invention; and Fig. 2 is an enlarged partial elevational sectional view of another embodiment of the atomizer of the present invention.
An accumulator type manual atomizer constructed according to one preferred embodiment of the present invention will now be described with reference to the drawing showing the upper portion of the accumulator type atomizer constructed according to the present invention as illustrated in Figure 1.
The accumulator type atomizer of the present invention comprises six essential parts,namely: an atomizer body 1, an atomizer head 20, an engaging member 30, a piston member 40, a suction tube 50 ~ 7~
Il 1 i and a spring 60 .
2 The atomizer body 1 has an engaging peripheral
3 wall 2 to be engaged with the neck portlon of a container
4 body 70.
An internally threaded portion 3 is formed on the inner 6 peripheral surface of the wall 2 to be engaged with the 7 neck portion 71 of the container. The ~eripheral wall 2 is 8 formed integrally with a radially inwardly extending 9 flange-like upper wall 4 ~ubstantially medially thereof.
A main cylindrical portion 5 is integrally connected at 11 the upper outer peripheral surface thereof to the inner 12 1 peripheral portion of the flange-like upper wall 4.
13 The main cylindrical portion 5 has a lower small-diameter 14 hollow cylindrical portion 6 formed at the lower portion lS thereof, an upper large-diameter hollow cylindrical guide 16 portion 7 formed at the upper portlon thereof, and a suction 17 tube engaglng hollow cylindrlcal portion 8 integrally 18 suspended downwardly from the lower end of the lower 19 cylindrlcal portion 6.
The cylindrical guide portion 7 is integrally protruded 21 upwardly at the upper half portion thereof from the 22 flange-like upper portion 4, and is also lntegrally ~ protruded downwardly at the lower half portion thereof 24 from the flange-like upper portion 4. The peripheral wall 2 is coaxially formed with the main cylindrical portion S.
26 A suction valve hole 9 is perforated at the inside bottom 27 of the lower cylindr~cal portion 6. The suction valve 28 1 hole 9 in the exemplified embodiment in Figure 1 is per-29 ll forated at the upper end of a hollow cylindrical portion lO
~ _ 4 _ projecting upwardly from the flange-like lower peripheral end of the lower cyllndrical portion 6. There are formed longitudinal annular recesses lla and llb on the inner intermediate surfaces of the lower portion of the lower cylindrical portion 6 and the cylindrical guide portion 7, respectively, and a hole 12 perfor-ated at the connecting portion between the lower cylindrical portion 6 and the cylindrical guide portion 7, as will be described in greater detail. An engaging tubular portion 14 is integrally extended upwardly from the upper intermediate peripheral portion of the flange-like upper wall 4 with an upper annular inward land 13 formed at the uppermost inside peripheral face thereof for preventing removal of an atomizer head, which will be described in greater detail therefrom.
The atomizer head 20 has a peripheral wall 22 formed integrally withand depending from the peripheral edge of a top wall 21 thereof and a recess 23 on the top surface of the wall 21 for contacting with a finger. The atomizer head 20 is in turn formed with anozzle outlet 24 at the upper side face thereof.
The peripheral wall 22 of the atomizer head 20 is telescopically movably engaged with the tubular portion 14 in such a manner that the land 13 of the tubular portion 14 is engaged with a lower annular outward land 25 formed at the lowermost outside face of the peripheralwall 22 for preventing removal of the atomizer head 20 therefrom.
An engaging member 30 incorporates a large-diameter hollow cylindrical portion 31 concentrically formed therewith and telescopically inserted within the peripheral wall 22 3~
l !¦ of the atomlzer head 20 and formed with a rod portion 34 2 ¦¦ depending through a connecting portion 32 from the upper 3 ¦¦ inside portion thereof, from which portion 34 a rod-like 4 ~I valve body 33 depends.
S ¦ The valve body 33 is engaged with the suction valve hole 9 6 1 of the valve cylindrical portion 10 to thereby watertightly 7 ¦ close the valve hole 9. Thus, the valve body 33 and the 8 ¦ valve hole 9 form a suctlon valve. It is preferable to 9 I depend a small-dlameter guide extenslon 35 havlng an outer diameter smaller than the dlameter of the valve 11 hole 9 from the valve body 33. The cyllndrical portion 12 31 is perforated wlth a nozzle opening 36 communicating 13 1 with the nozzle outlet 24. The nozzle opening 36 is 14 normally closed by means of a large-diameter piston 43, lS which will be described ln greater detail, and communicates 16 through an exhaust passage 37 perforated at the cylindrical 17 portion 31 with the nozzle outlet 24. The passage 37 is 18 constructed in a conventional manner so as to spin the 19 ¦ liquid passing ther~through.
A piston member 40 has a tubular portion 41 slidably 21 engaged on the rod portion 34 of the engaging member 30 22 and formed with a skirt-like small-diameter piston 42 at 23 its lower end and with a skirt-like large-diameter plston 24 43 at its upper end. Both the pistons 43 and 42 are respectively telescopically inserted into the upper and 26 lower large-diameter and small-diameter cylindrical portion 27 31 and 6. In the exemplified embodiment shown in Figurel, 28 1 the tubular portion 41 is formed with a small diameter at 29 ¦ the lower half portion thereof and with a large diameter 1 at the upper half portion thereof together with a skirt-like ~ 3~i 1 intermediate-diameter piston 44 formed at the lower end 2 of the upper half portion thereof.
3 The piston 44 is telescopically inserted into the cylindrical 4 guide portion 7.
A gap is formed between the inner surface of the tubular 6 portion 41 and the outer urface of the rod portion 34 7 to communicate the small-diameter cylindrical portion 6 8 with the large-diameter cylindrical portion 31.
9 A llquld passage 3B ls defined between the outer surface of the engaglng member 30 and the inner surface 11 of the plston member 40 to pass liquid from 12 jl the container body into the passage 37 at the cylindrical 13 ¦ portion 31. When the atomizer head 20 is depressed, 14 ~ the liquid is introduced,through the passage 38 and the passage 37,into the nozzle outlet 24 to atomize the 16 liquid from the outlet 24.
17 A suction tube S0 is engaged at the upper end thereof 18 with the engaging cylindrical portion 8 in a manner to 19 depend downwardly from the cylindrical portion 8 to such an extent that its lower extremity reaches the bottom 21 wall of the container body.
22 ¦ A coil spring 60 is interposed between the main 23 ¦ cylindrical portion 5 of the atomizer body 1 and the piston 24 member 40 to always urge the piston member 40, the engaging member 30 and the atomizer head 20 upwardly. In the 26 exemplified embodiment in Figurel,the coil spring 60 is 27 ¦ interposed between the inside bottom surface of the small-28 1 diameter cylindrical portion 6 and the lower end of the 29 tubular portion 41, but it may not always be interposed as such, and may also be instead disposed other than this.
8~
ll 1 1.
1 The spring 60 so urges that the small-diameter 2 piston 42 is telescoped to the uppermost end of the small-3 diameter cylindrical portion 6, the large-diameter piston 43 4 l~ is telescoped to the uppermost end of the large-diameter ! cylindrical portion 31 and the intermediate-diameter piston 6 44 is telescoped to the uppermost end of the cylindrical 7 guide portion 7 so that the land 25 formed at the lowermost 8 outside face of the peripheral wall 22 of the atomizer 9 head 20 is engaged with the upper annular inward land 13 formed at the uppermost inside peripheral face of the 11 1 engaging tubular portion 14. The suction valve formed by 12 ~ the suction valve hole 9 and the rod-like valve body 33 13 ¦ is opened at this time, while an exhaust valve formed by 14 the nozzle opening 36 and the large-diameter piston 43 is closed at this time.
16 With the atomizer o~ these construction arrangements, 17 when the atomizer is screwed into the neck portion 71 of 18 a container body 70 filled with liquid and the atomizer 19 head 20 is manually depressed against the tension of the spring 60, since the air is filled within an accumulator 21 chamber consisting of the large-diameter cylindrical 22 portion 31, the small-diameter cylindrical portion 6 and ~ the piston member 40, the valve body 33 is slidably 24 inserted into the suction valve hole 9 to thereby close the suction valve. Then, as the atomizer head 20 is 26 depressed down, the accumulator chamber is gradually 27 increased under pressure, Since the piston member 40 is 28 thus further telescoped down with respect to the engaging 29 member 30 due to the difference of the diameters between the large-diameter and the small-diameter cylindrical 0~
il l 1I portion 31 and 6, the large-diameter piston 43 is 2 1I telescoped down in respect of the large-diameter cylinder 31.
3 1 Accordingly, the valve hole 36 is opened with the accumulator 4 ¦ chamber to thereby open the exhaust valve so as to exhaust the compressed air through the nozzle opening 24.
6 When the small-diameter piston 42 reaches the longitudinal 7 annular recess 11a of the small-dlameter cylindrical 8 portion 6, the passage communicating through the annular 9 recessllb with the hole 12 of the main cylindrical portion 1 5 is formed between the inner wall of the small-diameter ~ cylindrical portion 6 and the outer surface of the small-12 I diameter portion of the tubular portion of the piston 13 ll member 40 to exhaust the residual pressure to thereby 14 ¦ release the high pressure state in the accumulator chamber.
¦ The piston member 40 is thus telescoped upwardly 16 with respect to the engaging member 30 due to the tension 17 of the spring 60 to thereby close the exhaust valve.
18 When the atomizer head 20 is released from manual depression l9 ¦ in this state, the piston member 40, the engaging member 30 1 and the atomizer head 20 are moved upwardly as they are.
21 Since the accumulator chamber is evacuated to vacuum or 22 negative pressure due to the upward movement of these ~ members, the suction valve is opened to intake the liquid 24 contained in the container body through the suction tube 50.
When the atomizer head 20 is then depressed, compressed 26 liquid is atomized from the nozzle outlet 24. It is noted 27 ~ that the reduction of the liquid in the container should be 28 ~l evacuated to negative pressure in the container, but 29 ¦I when the intermediate-diameter piston 44 reaches the annular recess 11b formed on the intermediate inner 1117~
l 1~ surface of the cylindrical guide portion 7, a passage is 2 I formed between the oute~ surface of the tubular portion 41 3 of the piston member 40 and the inner surface of the 4 cylindrical guide portion 7 through the annular recess 11b to thereby permit inflow of atmospheric air through t~le hole 12 6 to thus prevent a negative pressure in the container.
7 When the small-diameter piston 42 reaches the annular 8 recess 11a formed on the inner surface of the small-diameter 9 cylindrical portion 6 to thereby exhaust the residual pressure in the accumulator chamber through the hole 12 l1 into the container, the intermediate-diameter piston 44 12 ¦ is telescoped down lower than the annular recess 11b 13 ~l¦ of the cylindrical guide portion 7 to thereby prevent the 14 il residual pressure from passing between $he cylindrical ¦ guide portion 7 and the piston member 40 to leak upwardly.
16 Referring now to Fig. 2, which shows another 17 preferred embodiment of the atomizer of the present invention, 18 ¦ this atomizer incorporates a suction valve hole 9 and a ball l9 valve 35a instead of the suction valve composed of the suction valve hole 9 and a rod-like valve body 33 at the bottom 21 of the small-diameter cylindrical portion 6 of the atomizer 22 body 1.
It should be understood from the foregoing description 24 ¦ that since the accumulator type atomizer is thus constructed ¦ and operated according to the present invention, it can be 26 1 composed of only six essential parts and components including 27 1l the spring 60 and the suction tube 50 so that it can be readily 28 I assemb ~ and manufactured at lower cost. It should also be 29 appreciated that since the atomizer of this invention is l ~ 10 -formed with the suction and exhaust valve bodies as part of the components, it can eliminate the displacement of a ball valve, as in the conventional atomizer, when inclining the atomizer, to thereby prevent leakage of the liquid contained in the container.
It should also be understood that since the atomizer of the present invention is thus constructed, it can also eliminate thepossibility of losing the ball valve, as in the conventional atomizer, when assembling the atomizer.
An internally threaded portion 3 is formed on the inner 6 peripheral surface of the wall 2 to be engaged with the 7 neck portion 71 of the container. The ~eripheral wall 2 is 8 formed integrally with a radially inwardly extending 9 flange-like upper wall 4 ~ubstantially medially thereof.
A main cylindrical portion 5 is integrally connected at 11 the upper outer peripheral surface thereof to the inner 12 1 peripheral portion of the flange-like upper wall 4.
13 The main cylindrical portion 5 has a lower small-diameter 14 hollow cylindrical portion 6 formed at the lower portion lS thereof, an upper large-diameter hollow cylindrical guide 16 portion 7 formed at the upper portlon thereof, and a suction 17 tube engaglng hollow cylindrlcal portion 8 integrally 18 suspended downwardly from the lower end of the lower 19 cylindrlcal portion 6.
The cylindrical guide portion 7 is integrally protruded 21 upwardly at the upper half portion thereof from the 22 flange-like upper portion 4, and is also lntegrally ~ protruded downwardly at the lower half portion thereof 24 from the flange-like upper portion 4. The peripheral wall 2 is coaxially formed with the main cylindrical portion S.
26 A suction valve hole 9 is perforated at the inside bottom 27 of the lower cylindr~cal portion 6. The suction valve 28 1 hole 9 in the exemplified embodiment in Figure 1 is per-29 ll forated at the upper end of a hollow cylindrical portion lO
~ _ 4 _ projecting upwardly from the flange-like lower peripheral end of the lower cyllndrical portion 6. There are formed longitudinal annular recesses lla and llb on the inner intermediate surfaces of the lower portion of the lower cylindrical portion 6 and the cylindrical guide portion 7, respectively, and a hole 12 perfor-ated at the connecting portion between the lower cylindrical portion 6 and the cylindrical guide portion 7, as will be described in greater detail. An engaging tubular portion 14 is integrally extended upwardly from the upper intermediate peripheral portion of the flange-like upper wall 4 with an upper annular inward land 13 formed at the uppermost inside peripheral face thereof for preventing removal of an atomizer head, which will be described in greater detail therefrom.
The atomizer head 20 has a peripheral wall 22 formed integrally withand depending from the peripheral edge of a top wall 21 thereof and a recess 23 on the top surface of the wall 21 for contacting with a finger. The atomizer head 20 is in turn formed with anozzle outlet 24 at the upper side face thereof.
The peripheral wall 22 of the atomizer head 20 is telescopically movably engaged with the tubular portion 14 in such a manner that the land 13 of the tubular portion 14 is engaged with a lower annular outward land 25 formed at the lowermost outside face of the peripheralwall 22 for preventing removal of the atomizer head 20 therefrom.
An engaging member 30 incorporates a large-diameter hollow cylindrical portion 31 concentrically formed therewith and telescopically inserted within the peripheral wall 22 3~
l !¦ of the atomlzer head 20 and formed with a rod portion 34 2 ¦¦ depending through a connecting portion 32 from the upper 3 ¦¦ inside portion thereof, from which portion 34 a rod-like 4 ~I valve body 33 depends.
S ¦ The valve body 33 is engaged with the suction valve hole 9 6 1 of the valve cylindrical portion 10 to thereby watertightly 7 ¦ close the valve hole 9. Thus, the valve body 33 and the 8 ¦ valve hole 9 form a suctlon valve. It is preferable to 9 I depend a small-dlameter guide extenslon 35 havlng an outer diameter smaller than the dlameter of the valve 11 hole 9 from the valve body 33. The cyllndrical portion 12 31 is perforated wlth a nozzle opening 36 communicating 13 1 with the nozzle outlet 24. The nozzle opening 36 is 14 normally closed by means of a large-diameter piston 43, lS which will be described ln greater detail, and communicates 16 through an exhaust passage 37 perforated at the cylindrical 17 portion 31 with the nozzle outlet 24. The passage 37 is 18 constructed in a conventional manner so as to spin the 19 ¦ liquid passing ther~through.
A piston member 40 has a tubular portion 41 slidably 21 engaged on the rod portion 34 of the engaging member 30 22 and formed with a skirt-like small-diameter piston 42 at 23 its lower end and with a skirt-like large-diameter plston 24 43 at its upper end. Both the pistons 43 and 42 are respectively telescopically inserted into the upper and 26 lower large-diameter and small-diameter cylindrical portion 27 31 and 6. In the exemplified embodiment shown in Figurel, 28 1 the tubular portion 41 is formed with a small diameter at 29 ¦ the lower half portion thereof and with a large diameter 1 at the upper half portion thereof together with a skirt-like ~ 3~i 1 intermediate-diameter piston 44 formed at the lower end 2 of the upper half portion thereof.
3 The piston 44 is telescopically inserted into the cylindrical 4 guide portion 7.
A gap is formed between the inner surface of the tubular 6 portion 41 and the outer urface of the rod portion 34 7 to communicate the small-diameter cylindrical portion 6 8 with the large-diameter cylindrical portion 31.
9 A llquld passage 3B ls defined between the outer surface of the engaglng member 30 and the inner surface 11 of the plston member 40 to pass liquid from 12 jl the container body into the passage 37 at the cylindrical 13 ¦ portion 31. When the atomizer head 20 is depressed, 14 ~ the liquid is introduced,through the passage 38 and the passage 37,into the nozzle outlet 24 to atomize the 16 liquid from the outlet 24.
17 A suction tube S0 is engaged at the upper end thereof 18 with the engaging cylindrical portion 8 in a manner to 19 depend downwardly from the cylindrical portion 8 to such an extent that its lower extremity reaches the bottom 21 wall of the container body.
22 ¦ A coil spring 60 is interposed between the main 23 ¦ cylindrical portion 5 of the atomizer body 1 and the piston 24 member 40 to always urge the piston member 40, the engaging member 30 and the atomizer head 20 upwardly. In the 26 exemplified embodiment in Figurel,the coil spring 60 is 27 ¦ interposed between the inside bottom surface of the small-28 1 diameter cylindrical portion 6 and the lower end of the 29 tubular portion 41, but it may not always be interposed as such, and may also be instead disposed other than this.
8~
ll 1 1.
1 The spring 60 so urges that the small-diameter 2 piston 42 is telescoped to the uppermost end of the small-3 diameter cylindrical portion 6, the large-diameter piston 43 4 l~ is telescoped to the uppermost end of the large-diameter ! cylindrical portion 31 and the intermediate-diameter piston 6 44 is telescoped to the uppermost end of the cylindrical 7 guide portion 7 so that the land 25 formed at the lowermost 8 outside face of the peripheral wall 22 of the atomizer 9 head 20 is engaged with the upper annular inward land 13 formed at the uppermost inside peripheral face of the 11 1 engaging tubular portion 14. The suction valve formed by 12 ~ the suction valve hole 9 and the rod-like valve body 33 13 ¦ is opened at this time, while an exhaust valve formed by 14 the nozzle opening 36 and the large-diameter piston 43 is closed at this time.
16 With the atomizer o~ these construction arrangements, 17 when the atomizer is screwed into the neck portion 71 of 18 a container body 70 filled with liquid and the atomizer 19 head 20 is manually depressed against the tension of the spring 60, since the air is filled within an accumulator 21 chamber consisting of the large-diameter cylindrical 22 portion 31, the small-diameter cylindrical portion 6 and ~ the piston member 40, the valve body 33 is slidably 24 inserted into the suction valve hole 9 to thereby close the suction valve. Then, as the atomizer head 20 is 26 depressed down, the accumulator chamber is gradually 27 increased under pressure, Since the piston member 40 is 28 thus further telescoped down with respect to the engaging 29 member 30 due to the difference of the diameters between the large-diameter and the small-diameter cylindrical 0~
il l 1I portion 31 and 6, the large-diameter piston 43 is 2 1I telescoped down in respect of the large-diameter cylinder 31.
3 1 Accordingly, the valve hole 36 is opened with the accumulator 4 ¦ chamber to thereby open the exhaust valve so as to exhaust the compressed air through the nozzle opening 24.
6 When the small-diameter piston 42 reaches the longitudinal 7 annular recess 11a of the small-dlameter cylindrical 8 portion 6, the passage communicating through the annular 9 recessllb with the hole 12 of the main cylindrical portion 1 5 is formed between the inner wall of the small-diameter ~ cylindrical portion 6 and the outer surface of the small-12 I diameter portion of the tubular portion of the piston 13 ll member 40 to exhaust the residual pressure to thereby 14 ¦ release the high pressure state in the accumulator chamber.
¦ The piston member 40 is thus telescoped upwardly 16 with respect to the engaging member 30 due to the tension 17 of the spring 60 to thereby close the exhaust valve.
18 When the atomizer head 20 is released from manual depression l9 ¦ in this state, the piston member 40, the engaging member 30 1 and the atomizer head 20 are moved upwardly as they are.
21 Since the accumulator chamber is evacuated to vacuum or 22 negative pressure due to the upward movement of these ~ members, the suction valve is opened to intake the liquid 24 contained in the container body through the suction tube 50.
When the atomizer head 20 is then depressed, compressed 26 liquid is atomized from the nozzle outlet 24. It is noted 27 ~ that the reduction of the liquid in the container should be 28 ~l evacuated to negative pressure in the container, but 29 ¦I when the intermediate-diameter piston 44 reaches the annular recess 11b formed on the intermediate inner 1117~
l 1~ surface of the cylindrical guide portion 7, a passage is 2 I formed between the oute~ surface of the tubular portion 41 3 of the piston member 40 and the inner surface of the 4 cylindrical guide portion 7 through the annular recess 11b to thereby permit inflow of atmospheric air through t~le hole 12 6 to thus prevent a negative pressure in the container.
7 When the small-diameter piston 42 reaches the annular 8 recess 11a formed on the inner surface of the small-diameter 9 cylindrical portion 6 to thereby exhaust the residual pressure in the accumulator chamber through the hole 12 l1 into the container, the intermediate-diameter piston 44 12 ¦ is telescoped down lower than the annular recess 11b 13 ~l¦ of the cylindrical guide portion 7 to thereby prevent the 14 il residual pressure from passing between $he cylindrical ¦ guide portion 7 and the piston member 40 to leak upwardly.
16 Referring now to Fig. 2, which shows another 17 preferred embodiment of the atomizer of the present invention, 18 ¦ this atomizer incorporates a suction valve hole 9 and a ball l9 valve 35a instead of the suction valve composed of the suction valve hole 9 and a rod-like valve body 33 at the bottom 21 of the small-diameter cylindrical portion 6 of the atomizer 22 body 1.
It should be understood from the foregoing description 24 ¦ that since the accumulator type atomizer is thus constructed ¦ and operated according to the present invention, it can be 26 1 composed of only six essential parts and components including 27 1l the spring 60 and the suction tube 50 so that it can be readily 28 I assemb ~ and manufactured at lower cost. It should also be 29 appreciated that since the atomizer of this invention is l ~ 10 -formed with the suction and exhaust valve bodies as part of the components, it can eliminate the displacement of a ball valve, as in the conventional atomizer, when inclining the atomizer, to thereby prevent leakage of the liquid contained in the container.
It should also be understood that since the atomizer of the present invention is thus constructed, it can also eliminate thepossibility of losing the ball valve, as in the conventional atomizer, when assembling the atomizer.
Claims (8)
1. A liquid spraying device comprising:
a container for liquid, an atomizer body having an engaging peripheral portion engaged with the neck portion of said container and holding a main cylindrical portion formed at the lower portion thereof with a lower small-diameter hollow cylindrical portion via a radially inwardly extending flange-like upper wall projected from the upper end of the engaging peripheral portion, an atomizer head formed with a nozzle outlet perforated at the upper side face of the peripheral wall of said atomizer body depended from the peripheral edge of the top wall thereof, an engaging member having a large-diameter hollow cylindrical portion telescopically inserted within the peripheral wall of said atomizer head and formed with a rod portion de-pending from the upper inside portion of the large-diameter cylindrical portion thereof, a piston member having a tubular portion slidably engaged on the rod portion of said engaging member and formed with a skirt-like small-diameter piston at the lower end thereof and with a skirt-like large-diameter piston at the upper end thereof in a manner that both the pistons are respectively telescopically inserted into the upper large-diameter and lower small-diameter cylindrical portions of said engaging member and said atomizer body, a suction tube engaged with the lowermost portion of the lower small-diameter hollow cylindrical portion of said atomizer body for intaking the liquid in said container, and spring means arranged between the main cylindrical portion of said atomizer body and said piston member for urging upwardly said piston member, said engaging member and said atomizer head, said atomizer body having a suction valve hole provided at the inside bottom of the small-diameter cylindrical portion thereof and means to open and close said valve hole, said engaging member having a nozzle opening perforated at the large-diameter cylindrical portion thereof to communicate with the nozzle outlet of said atomizer head and normally closed by the large-diameter piston of said piston member, a liquid passage defined between the outer surface of said engaging member and the inner surface of said piston member for communicating the liquid from said container therethrough into the nozzle outlet of said atomizer head.
a container for liquid, an atomizer body having an engaging peripheral portion engaged with the neck portion of said container and holding a main cylindrical portion formed at the lower portion thereof with a lower small-diameter hollow cylindrical portion via a radially inwardly extending flange-like upper wall projected from the upper end of the engaging peripheral portion, an atomizer head formed with a nozzle outlet perforated at the upper side face of the peripheral wall of said atomizer body depended from the peripheral edge of the top wall thereof, an engaging member having a large-diameter hollow cylindrical portion telescopically inserted within the peripheral wall of said atomizer head and formed with a rod portion de-pending from the upper inside portion of the large-diameter cylindrical portion thereof, a piston member having a tubular portion slidably engaged on the rod portion of said engaging member and formed with a skirt-like small-diameter piston at the lower end thereof and with a skirt-like large-diameter piston at the upper end thereof in a manner that both the pistons are respectively telescopically inserted into the upper large-diameter and lower small-diameter cylindrical portions of said engaging member and said atomizer body, a suction tube engaged with the lowermost portion of the lower small-diameter hollow cylindrical portion of said atomizer body for intaking the liquid in said container, and spring means arranged between the main cylindrical portion of said atomizer body and said piston member for urging upwardly said piston member, said engaging member and said atomizer head, said atomizer body having a suction valve hole provided at the inside bottom of the small-diameter cylindrical portion thereof and means to open and close said valve hole, said engaging member having a nozzle opening perforated at the large-diameter cylindrical portion thereof to communicate with the nozzle outlet of said atomizer head and normally closed by the large-diameter piston of said piston member, a liquid passage defined between the outer surface of said engaging member and the inner surface of said piston member for communicating the liquid from said container therethrough into the nozzle outlet of said atomizer head.
2. A liquid spraying device as claimed in claim 1 wherein said means to open and close said valve hole comprises a rod-like valve body depending from said rod portion and slidably insertable into the small diameter cylindrical portion of said atomizer body.
3. A liquid spraying device as claimed in claim 2 in which the main cylindrical portion of said atomizer body further comprises an upper large-diameter hollow cylindrical guide portion formed at the upper portion thereof and a suction tube engaging hollow cylindrical portion integrally depending from the lower end of the lower cylindrical portion thereof.
4. A liquid spraying device as claimed in claim 1 or 2 in which the main cylindrical portion of said atomizer body further comprises a valve hollow cylindrical portion stood from the flange-like upper portion radially inwardly extended from the lower peripheral end of the lower cylindrical portion thereof.
5. A liquid spraying device as claimed in claim 1 or 2 in which the main cylindrical portion of said atomizer body further comprises longitudinal annular recesses formed on the inner intermediate surfaces of the lower portion of the lower cylindrical portion thereof and of the cylindrical guide portion thereof, respectively and a hole perforated at the connecting portion between the lower cylindrical portion thereof and the cylindrical guide portion thereof.
6. A liquid spraying device as claimed in claim 1 or 2 in which said engaging member further comprises an exhaust passage provided at the large-diameter cylindrical portion thereof to communicate with the nozzle outlet of said atomizer head and so constructed as to spin the liquid passing therethrough.
7. A liquid spraying device as claimed in claim 1 or 2 in which said piston member further comprises a skirt-like intermediate-diameter piston formed at the lower end of the upper half portion thereof and telescopically inserted into the cylindrical guide portion of said atomizer body, a gap formed between the inner surface of the tubular portion thereof and the outer surface of the rod portion of said engaging member to communicate the small-diameter cylindrical portion of said atomizer body with the large-diameter cylindrical portion of said engaging member.
8. A liquid spraying device comprising:
a container for liquid, an atomizer body having an engaging peripheral portion engaged with the neck portion of said container and holding a main cylindrical portion formed at the lower portion thereof with a lower small-diameter hollow cylindrical portion via a radially inwardly extending flange-like upper wall projected from the upper end of the engaging peripheral portion, said atomizer body having a suction valve including a suction valve hole provided at the inside bottom of the small-diameter cylindrical portion thereof and a ball valve at the inside bottom of the lower cylindrical portion thereof, an atomizer head formed with a nozzle outlet perforated at the upper side face of the peripheral wall of said atomizer body depended from the peripheral edge of the top wall thereof, an engaging member having a large-diameter hollow cylin-drical portion telescopically inserted within the peripheral wall of said atomizer head and formed with a rod portion depending from the upper inside portion of the large-diameter cylindrical portion thereof, a piston member having a tubular portion slidably engaged on the rod portion of said engaging member and formed with a skirt-like small-diameter piston at the lower end thereof and with a skirt-like large-diameter piston at the upper end thereof in a manner that both the pistons are respectively telescopically inserted into the upper large-diameter and lower small-diameter cylindrical portions of said engaging member and said atomizer body, a suction tube engaged with the lowermost portion of the lower small-diameter hollow cylindrical portion of said atomizer body for intaking the liquid in said container, and spring means arranged between the main cylindrical portion of said atomizer body and said piston member for urging upwardly said piston member, said engaging member and said atomizer head, said engaging member having a nozzle opening perforated at the large-diameter cylindrical portion thereof to communicate with the nozzle outlet of said atomizer head and normally closed by the large-diameter piston member, a liquid passage defined between the outer surface of said engaging member and the inner surface of said piston member for communicating the liquid from said container therethrough into the nozzle outlet of said atomizer head.
a container for liquid, an atomizer body having an engaging peripheral portion engaged with the neck portion of said container and holding a main cylindrical portion formed at the lower portion thereof with a lower small-diameter hollow cylindrical portion via a radially inwardly extending flange-like upper wall projected from the upper end of the engaging peripheral portion, said atomizer body having a suction valve including a suction valve hole provided at the inside bottom of the small-diameter cylindrical portion thereof and a ball valve at the inside bottom of the lower cylindrical portion thereof, an atomizer head formed with a nozzle outlet perforated at the upper side face of the peripheral wall of said atomizer body depended from the peripheral edge of the top wall thereof, an engaging member having a large-diameter hollow cylin-drical portion telescopically inserted within the peripheral wall of said atomizer head and formed with a rod portion depending from the upper inside portion of the large-diameter cylindrical portion thereof, a piston member having a tubular portion slidably engaged on the rod portion of said engaging member and formed with a skirt-like small-diameter piston at the lower end thereof and with a skirt-like large-diameter piston at the upper end thereof in a manner that both the pistons are respectively telescopically inserted into the upper large-diameter and lower small-diameter cylindrical portions of said engaging member and said atomizer body, a suction tube engaged with the lowermost portion of the lower small-diameter hollow cylindrical portion of said atomizer body for intaking the liquid in said container, and spring means arranged between the main cylindrical portion of said atomizer body and said piston member for urging upwardly said piston member, said engaging member and said atomizer head, said engaging member having a nozzle opening perforated at the large-diameter cylindrical portion thereof to communicate with the nozzle outlet of said atomizer head and normally closed by the large-diameter piston member, a liquid passage defined between the outer surface of said engaging member and the inner surface of said piston member for communicating the liquid from said container therethrough into the nozzle outlet of said atomizer head.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35994/79 | 1979-03-27 | ||
| JP3599479A JPS55129171A (en) | 1979-03-27 | 1979-03-27 | Pressure accumulation type sprayer |
| JP6609079U JPS6026842Y2 (en) | 1979-05-16 | 1979-05-16 | Pressure accumulator sprayer |
| JP66090/79 | 1979-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1117081A true CA1117081A (en) | 1982-01-26 |
Family
ID=26375010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000348508A Expired CA1117081A (en) | 1979-03-27 | 1980-03-26 | Accumulator type manual atomizer |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4361255A (en) |
| AU (1) | AU540119B2 (en) |
| CA (1) | CA1117081A (en) |
| CH (1) | CH636024A5 (en) |
| DE (1) | DE3011937A1 (en) |
| FR (1) | FR2452325B1 (en) |
| GB (1) | GB2049032B (en) |
| IT (1) | IT8048279A0 (en) |
| NL (1) | NL188510C (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4643338A (en) * | 1983-05-24 | 1987-02-17 | Yoshino Kogyosho Co., Ltd. | Manual liquid dispenser |
| DE3342513A1 (en) * | 1983-11-24 | 1985-06-05 | Leonhard Fischer & Co GmbH, 2060 Bad Oldesloe | CONTAINER FOR SPRAYABLE MEDIA WITH PISTON PUMP |
| US4676407A (en) * | 1985-03-20 | 1987-06-30 | Risdon Corporation | Mounting cap with extended sleeve |
| DE3715301A1 (en) * | 1987-05-08 | 1988-11-24 | Pfeiffer Erich Gmbh & Co Kg | DISCHARGE DEVICE FOR MEDIA |
| DE3929412A1 (en) * | 1989-04-27 | 1990-10-31 | Hodek Jiri | Double acting piston pump for liq. atomiser - has system for joining pistons to actuation cap |
| GB2245936A (en) * | 1990-05-01 | 1992-01-15 | Bespak Plc | Dispencing device |
| US5088629A (en) * | 1990-07-30 | 1992-02-18 | Neill Richard K O | Pressure build-up pump sprayer having improved valving means |
| KR0149037B1 (en) * | 1990-10-05 | 1998-10-15 | 요시노 야따로오 | Liquid sprayer |
| DE4108646A1 (en) * | 1991-03-16 | 1992-09-17 | Pfeiffer Erich Gmbh & Co Kg | DISCHARGE DEVICE FOR MEDIA |
| DE4110302A1 (en) * | 1991-03-28 | 1992-10-01 | Pfeiffer Erich Gmbh & Co Kg | DISCHARGE DEVICE FOR MEDIA |
| DE4129474A1 (en) * | 1991-09-05 | 1993-03-11 | Pfeiffer Erich Gmbh & Co Kg | DISCHARGE DEVICE FOR MEDIA |
| US5234132A (en) * | 1992-05-29 | 1993-08-10 | The Gillette Company | Actuator for dispensing pump |
| US5419467A (en) * | 1993-08-27 | 1995-05-30 | Flotool International, Inc. | Two-piece pouring spout with dome-shaped nozzle |
| US5405057A (en) * | 1993-10-21 | 1995-04-11 | Moore; David G. | Manually actuated pump |
| US6050457A (en) * | 1995-12-06 | 2000-04-18 | The Procter & Gamble Company | High pressure manually-actuated spray pump |
| US5839616A (en) * | 1997-08-14 | 1998-11-24 | The Procter & Gamble Company | Blow molded container having pivotal connector for an actuation lever |
| US7527177B2 (en) * | 2003-12-22 | 2009-05-05 | Valois S.A.S. | Fluid dispenser member |
| US7789274B2 (en) * | 2003-12-22 | 2010-09-07 | Valois S.A.S | Fluid dispenser member |
| FR2907518A1 (en) * | 2006-10-20 | 2008-04-25 | Rexam Dispensing Systems Sas | PUMP COMPRISING AIR EXHAUST MEANS |
| CN104969754A (en) * | 2015-06-30 | 2015-10-14 | 巨野县天胜科技兴农种植专业合作社 | Planter and method for planting selenium-enriched corns |
| DE102018100338A1 (en) * | 2018-01-09 | 2019-07-11 | Aero Pump Gmbh | Discharge device for discharging liquid media |
| KR102140284B1 (en) * | 2018-09-06 | 2020-07-31 | 임종수 | Device for spraying liquid cosmetic mist |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3248021A (en) * | 1962-11-26 | 1966-04-26 | Calmar Inc | Liquid dispenser |
| US3247849A (en) * | 1963-03-28 | 1966-04-26 | Calmar Inc | Pump-type sprayer for liquids having a dual-purpose protective cap for pump sealing and directional spray control |
| BE665218A (en) * | 1964-06-13 | 1965-10-01 | ||
| US3779464A (en) * | 1972-03-22 | 1973-12-18 | Afa Corp | Manually actuated liquid spraying device |
| IL44259A (en) * | 1973-03-08 | 1976-07-30 | Meshberg P | Method and apparatus for dispensing liquids |
| US3908870A (en) * | 1973-11-15 | 1975-09-30 | Yoshino Kogyosho Co Ltd | Manual-type miniature atomizer |
| JPS55373Y2 (en) * | 1974-09-26 | 1980-01-08 | ||
| US4051983B1 (en) * | 1975-11-19 | 1993-12-14 | Calmar Inc. | Pump sprayer having pump priming means |
| US4111367A (en) * | 1977-02-18 | 1978-09-05 | Ethyl Corporation | Finger operated spray pump |
| US4179049A (en) * | 1977-04-29 | 1979-12-18 | Avon Products, Inc. | Pump dispenser |
| US4162746A (en) * | 1977-06-22 | 1979-07-31 | Diamond International Corporation | Liquid dispenser locking means |
| FR2396182A1 (en) * | 1977-07-01 | 1979-01-26 | Normos Norbert | MANUAL PUMP WITH ACCUMULATION OVERCOMPRESSION |
-
1980
- 1980-03-19 AU AU56578/80A patent/AU540119B2/en not_active Expired
- 1980-03-21 GB GB8009640A patent/GB2049032B/en not_active Expired
- 1980-03-26 CA CA000348508A patent/CA1117081A/en not_active Expired
- 1980-03-26 FR FR8006714A patent/FR2452325B1/en not_active Expired
- 1980-03-27 CH CH242680A patent/CH636024A5/en not_active IP Right Cessation
- 1980-03-27 IT IT8048279A patent/IT8048279A0/en unknown
- 1980-03-27 NL NLAANVRAGE8001826,A patent/NL188510C/en not_active IP Right Cessation
- 1980-03-27 DE DE19803011937 patent/DE3011937A1/en active Granted
-
1982
- 1982-02-10 US US06/347,498 patent/US4361255A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2452325A1 (en) | 1980-10-24 |
| NL188510C (en) | 1992-07-16 |
| AU540119B2 (en) | 1984-11-01 |
| FR2452325B1 (en) | 1985-07-19 |
| US4361255A (en) | 1982-11-30 |
| GB2049032B (en) | 1983-04-27 |
| IT8048279A0 (en) | 1980-03-27 |
| AU5657880A (en) | 1982-04-29 |
| CH636024A5 (en) | 1983-05-13 |
| GB2049032A (en) | 1980-12-17 |
| NL8001826A (en) | 1980-09-30 |
| DE3011937A1 (en) | 1980-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |