US3194450A - Aerosol dispenser - Google Patents

Aerosol dispenser Download PDF

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Publication number
US3194450A
US3194450A US323957A US32395763A US3194450A US 3194450 A US3194450 A US 3194450A US 323957 A US323957 A US 323957A US 32395763 A US32395763 A US 32395763A US 3194450 A US3194450 A US 3194450A
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tube
container
dip tube
dispenser
aerosol
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US323957A
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Owen F Van Brocklin
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Scovill Inc
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Scovill Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/36—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant allowing operation in any orientation, e.g. discharge in inverted position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/32—Dip-tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0753—Control by change of position or inertia of system
    • Y10T137/0777—With second control

Definitions

  • Il Il Il I Il Irl il Il Il ll Il Il INVENTOR OWEN F'. VAN BROCKUN BY MMML-w AITQRNEYS.
  • the present invention relates to aerosol dispensers of the type commonly called aerosol bombs of the type wherein a vapor tap is not used and aims to provide certain improvements therein.
  • Aerosol dispensers of the character set forth usually consist of a container for fluid under super-atmospheric pressure and provided with a manually operable valve means which is biased to seal a discharge opening in the top of the container and with a dip tube extending from a -valve housing to the bottom of the container, the relationship of parts being such that upon unseating the valve by finger pressure on an operating button or actuator, the liquid component in the receptacle will pass up through the dip tube into the valve housing, then through the open valve and out through a discharge opening in the button as an aerosol spray.
  • the discharge will be continuous. however, when the discharge is to take place with the container in an upside down position or in a position where the inner end ofthe dip tube is not immersed in the liquid, the discharge ceases when the liquid in the dip tube is expended which requires but two or three seconds.
  • the container For certain aerosol applications, for example in spraying an insecticide along a floor edge or baseboard of a room, the container must beheld in either an inverted position or at an angle of not more than 90 to the floor, and in such applications it would be desirable to increase the time of duration of discharge to about ten to fifteen seconds.
  • an object of the present invention to provide an aerosol dispenser which can be operated in an inverted position or at angles less than 90 to be horizontal for 4periods longer than is possible with conventional aerosol dispensers in common use.
  • a further object of the invention is to provide a dispenser of the character set forth which is not dependent for its operation on any specific construction of valve in the dispenser.
  • an aerosol dispenser comprising, in combination, a container for liquid under super-atmospheric pressure, having a valved outlet housing closing the top of the container and means providing a supplemental reservoir for liquid in the dispenser consisting of a rst tube closed at its inner end extending from the valved outlet housing downwardly .into the container and a second tube of smaller diameter than the rst tube, the inner end of said second tube being in open communication with the interior of the container at its bottom and the other end of said second tube opening into said rst tube in proximity to its outer end.
  • FIG. 1 is a diametrical axial sectional view of a dispenser embodying the invention showing the ilow path of the contents on discharge when the dispenser is held in an upright position;
  • FIG. 2 is an axial view of the dispenser showing the relationship of parts and flow path of the contents on disr. lC
  • FIG. 3 is an axial view of the dispenser showing the relationship of parts and flow path of the contents on discharge when the dispenser is held in a substantially hor-izontal position.
  • the aerosol dispenser illustrated may be said to be of conventional design, except for the novel means which provide a supplemental reservoir for liquid within the container for extending the duration of continuous discharge of aerosol when the dispenser is operated while being held in an inverted or substantially upside down position.
  • the dispenser consists of a container 1) having a closed bottom 12 and a closed top 14 which latter carries a valved outlet assembly 16 consisting of a housing 18 containing a spring biased Valve (not shown) having a valve stem 20 provided with a button or valve actuator 22, thehousing 16 also having a depending nipple 24 all of which parts may be of any preferred construction.
  • a mea'ns 26 Mounted on the assembly 16 and preferably carried by the nipple 24 is a mea'ns 26 providing a supplemental reservoir for liquid in the dispenser and utilizable for prolonging the duration of discharge of aerosol from the dispenser when it is operated while being held in an inverted or substantially upside down position.
  • the means 26 as shown consist of a rst or dip tube 28, a second tube 30 of smaller diameter than the dip tube positioned within said dip tube, a bushing 32 within the upper or outer end of the dip tube and a plug 34 closing the lower or innerend of the dip tube.
  • the means 26 is of a length to extend from the housing 18 to the bottom of the container and is preferably formed as a separate assembly or unit adapted for attachment to the housing 18.
  • the plug 34 is preferably hollow and formed at its inner end with a nipple 36 which has a central perforation or passage therethrough which establishes open communication between the interior of the second tube 30 and the interior of the container through radial grooves 38 in an annular lip or flange 40 at the opposite end of the plug.
  • the second tube 3i) has its inner end attached to the nipple 36 and its outer end terminating short of the outer end of the dip tube. If desired, the bushing in the outer end of the dip tube may be omitted and said tube attached directly to the exterior of the housing 1S.
  • the container 10 may be charged with active ingredients and propellant in any conventional manner. When so charged, the liquid will be forced up into the second or smaller tube, through the grooves 38 and nipple 36, and overow into the dip tube to lill it to the height of the second tube. The dip tube will thereby provide a supplemental reservoir for liquid.
  • operation of the actuator button 22 will provide a continuous aerosol discharge through said button. This is illustrated by the arrows in FIG. l.
  • operation of the actuator button will provide a continuous discharge of the liquid contained in the second tube plus the liquid in the reservoir as illustrated by the arrows in FIGS. 2 and 3.
  • the duration of such discharge will depend upon the volumetric capacity of the supplemental reservoir provided by the dip tube and the volumetric capacity of the second tube, whereas with conventional types of aerosol dispensers the duration of discharge when the de- T9 vice is operated in inverted position will be limited to the volumetric capacity of the conventiona-l dip tube.
  • An aerosol dispenser comprising, yin combination, a container for liquid under super-atmospheric pressure, a valved outlet assembly closing ythe top of I the container, a dip tube Closed atits inner end attached to the outlet assembly and yextending downwardly therefrom to the bottom of the container and a second tube of smaller diameter than the dip tube within said dip tube, the innerY end of said second tube being in open communication with the container at its bottom through the inner end of the dip tube and the outer end of rsaid second tube opening into said dip tube in proximity to its outer end.
  • valved outlet assembly has an inwardly extending nipple, the dip tube vis fitted onto said bushing, the inner end of said dip tube has a perforated closurethrough which the inner end of the second tube is connected to the dip tube and the outer end of ⁇ the second tube terminates short of said bushing.
  • an areosol dispenser of the type including a container and a valved outlet assembly closing the top of the container and having an open inner, end, of means for providing a supplemental reservoir for liquid within a bushing engages said nipple, the outer end of the dispenser for extending the duration of discharge of f aerosol from such dispenser when held in inverted position with the valve of the assembly open, said means comprising a unit consisting of an open ended rst tube the top end of which isof a size to be attached to the open inner end of such valved outlet assembly and the bottom end of which has a'perforated closure, an open endedsecond tube of substantially smaller diameter'than the irst tube within, carried by and providing fluid communication Withrsaid perforated'closure and extending upwardly from said closure and terminating at its upper end in inwardly spaced relation tothe top end of the first tube, Y
  • an aerosol dispenser of thetype including a container and a valved outlet assembly closing the top of the container and having an openinner end, of means for providing a supplemental reservoir for liquid within the kdispenser, for extending the time ofdischarge of aerosol from such dispenser when held ininverted.
  • said means comprising a unit consisting of an openrended dip tube the top end of which isy of; a size to be attached to the open Vinner end of such valved outlet assembly and the bottom end of which has mounted therein aV hollow plug formed with a nipple extending into ⁇ said, dip tube, a tube of substantially smaller diameter than the dip tube within said dip tube and having one endvmounted onsaid nipple and its other end terminating short of the top end of the dip tube to provide open lfluid communication therewith.

Description

July 13,- l965 o. F. vAN BRocKLlN 3,194,450
AEROSOL DISPENSER Filed NOV. 15, 1963 FIG. l.
Il Il Il I Il Irl il Il Il ll Il Il INVENTOR OWEN F'. VAN BROCKUN BY MMML-w AITQRNEYS.
United States Patent O 3,194,450 AEROSOL DISPENSER Owen F. Van Broclrlin, Baldwin, NX., assignor to lScovill Manufacturing Company, Waterbury, Conn., a corporation of Connecticut Filed Nov. 15, 1963, Ser. No. 323,957 6 Claims. (Cl. 222-394) The present invention relates to aerosol dispensers of the type commonly called aerosol bombs of the type wherein a vapor tap is not used and aims to provide certain improvements therein.
Aerosol dispensers of the character set forth usually consist of a container for fluid under super-atmospheric pressure and provided with a manually operable valve means which is biased to seal a discharge opening in the top of the container and with a dip tube extending from a -valve housing to the bottom of the container, the relationship of parts being such that upon unseating the valve by finger pressure on an operating button or actuator, the liquid component in the receptacle will pass up through the dip tube into the valve housing, then through the open valve and out through a discharge opening in the button as an aerosol spray. In such devices when the dispenser is operated in an upright or other position in which the inner end of the dip tube is immersed in the liquid in the container, the discharge will be continuous. however, when the discharge is to take place with the container in an upside down position or in a position where the inner end ofthe dip tube is not immersed in the liquid, the discharge ceases when the liquid in the dip tube is expended which requires but two or three seconds. v
For certain aerosol applications, for example in spraying an insecticide along a floor edge or baseboard of a room, the container must beheld in either an inverted position or at an angle of not more than 90 to the floor, and in such applications it would be desirable to increase the time of duration of discharge to about ten to fifteen seconds.
Accordingly, it is an object of the present invention to provide an aerosol dispenser which can be operated in an inverted position or at angles less than 90 to be horizontal for 4periods longer than is possible with conventional aerosol dispensers in common use.
A further object of the invention is to provide a dispenser of the character set forth which is not dependent for its operation on any specific construction of valve in the dispenser.
The Yforegoing and other objects of the invention not specifically enumerated, are accomplished by providing an aerosol dispenser comprising, in combination, a container for liquid under super-atmospheric pressure, having a valved outlet housing closing the top of the container and means providing a supplemental reservoir for liquid in the dispenser consisting of a rst tube closed at its inner end extending from the valved outlet housing downwardly .into the container and a second tube of smaller diameter than the rst tube, the inner end of said second tube being in open communication with the interior of the container at its bottom and the other end of said second tube opening into said rst tube in proximity to its outer end. The invention will be better understood from the detailed description which follows when considered in connection with the accompanying drawing and wherein:
FIG. 1 is a diametrical axial sectional view of a dispenser embodying the invention showing the ilow path of the contents on discharge when the dispenser is held in an upright position;
FIG. 2 is an axial view of the dispenser showing the relationship of parts and flow path of the contents on disr. lC
charge when the dispenser is held in an inverted position;
FIG. 3 is an axial view of the dispenser showing the relationship of parts and flow path of the contents on discharge when the dispenser is held in a substantially hor-izontal position.
Referring to the drawing, the aerosol dispenser illustrated may be said to be of conventional design, except for the novel means which provide a supplemental reservoir for liquid within the container for extending the duration of continuous discharge of aerosol when the dispenser is operated while being held in an inverted or substantially upside down position.
As is conventional, the dispenser consists of a container 1) having a closed bottom 12 and a closed top 14 which latter carries a valved outlet assembly 16 consisting of a housing 18 containing a spring biased Valve (not shown) having a valve stem 20 provided with a button or valve actuator 22, thehousing 16 also having a depending nipple 24 all of which parts may be of any preferred construction.
Mounted on the assembly 16 and preferably carried by the nipple 24 is a mea'ns 26 providing a supplemental reservoir for liquid in the dispenser and utilizable for prolonging the duration of discharge of aerosol from the dispenser when it is operated while being held in an inverted or substantially upside down position.
The means 26 as shown consist of a rst or dip tube 28, a second tube 30 of smaller diameter than the dip tube positioned within said dip tube, a bushing 32 within the upper or outer end of the dip tube and a plug 34 closing the lower or innerend of the dip tube. The means 26 is of a length to extend from the housing 18 to the bottom of the container and is preferably formed as a separate assembly or unit adapted for attachment to the housing 18. The plug 34 is preferably hollow and formed at its inner end with a nipple 36 which has a central perforation or passage therethrough which establishes open communication between the interior of the second tube 30 and the interior of the container through radial grooves 38 in an annular lip or flange 40 at the opposite end of the plug.
The second tube 3i) has its inner end attached to the nipple 36 and its outer end terminating short of the outer end of the dip tube. If desired, the bushing in the outer end of the dip tube may be omitted and said tube attached directly to the exterior of the housing 1S.
The container 10 may be charged with active ingredients and propellant in any conventional manner. When so charged, the liquid will be forced up into the second or smaller tube, through the grooves 38 and nipple 36, and overow into the dip tube to lill it to the height of the second tube. The dip tube will thereby provide a supplemental reservoir for liquid.
Operation-When the charged dispenser is held in a substantially upright position, or in any position where the inner end of the plug 34 is immersed in the liquid in the container and the liquid has ingress to the second tube, operation of the actuator button 22 will provide a continuous aerosol discharge through said button. This is illustrated by the arrows in FIG. l. When the dispenser is held in inverted position, as shown in FIG. 2 or in a position where the exposed end of the plug 34 is not immersed in the liquid in the container, operation of the actuator button will provide a continuous discharge of the liquid contained in the second tube plus the liquid in the reservoir as illustrated by the arrows in FIGS. 2 and 3. The duration of such discharge will depend upon the volumetric capacity of the supplemental reservoir provided by the dip tube and the volumetric capacity of the second tube, whereas with conventional types of aerosol dispensers the duration of discharge when the de- T9 vice is operated in inverted position will be limited to the volumetric capacity of the conventiona-l dip tube.
Although I have shown and described a preferred embodiment of the invention, it is to be understood that the specic construction and assembly of parts,'and especially of the means for providing a supplemental reservoir for liquid Within a dispenser for extending'the duration of discharge of the aerosol from such dispenser when held in inverted position, may be varied within the range of mechanical and engineering skill without departing from the spirit ofthe invention as hereinafter claimed.
What I claim is: v
1. An aerosol dispenser comprising, yin combination, a container for liquid under super-atmospheric pressure, a valved outlet assembly closing ythe top of I the container, a dip tube Closed atits inner end attached to the outlet assembly and yextending downwardly therefrom to the bottom of the container and a second tube of smaller diameter than the dip tube within said dip tube, the innerY end of said second tube being in open communication with the container at its bottom through the inner end of the dip tube and the outer end of rsaid second tube opening into said dip tube in proximity to its outer end.
2. An aerosol dispenser according to claim l, wherein the volumetric capacity of 'thedip tube is substantially greater than that of the second tube.
3. An aerosol dispenser according to claim 1, wherein the valved outlet assembly has an inwardly extending nipple, the dip tube vis fitted onto said bushing, the inner end of said dip tube has a perforated closurethrough which the inner end of the second tube is connected to the dip tube and the outer end of `the second tube terminates short of said bushing.
4. For use in an areosol dispenser of the type including a container and a valved outlet assembly closing the top of the container and having an open inner, end, of means for providing a supplemental reservoir for liquid within a bushing engages said nipple, the outer end of the dispenser for extending the duration of discharge of f aerosol from such dispenser when held in inverted position with the valve of the assembly open, said means comprising a unit consisting of an open ended rst tube the top end of which isof a size to be attached to the open inner end of such valved outlet assembly and the bottom end of which has a'perforated closure, an open endedsecond tube of substantially smaller diameter'than the irst tube within, carried by and providing fluid communication Withrsaid perforated'closure and extending upwardly from said closure and terminating at its upper end in inwardly spaced relation tothe top end of the first tube, Y
5. For usein an aerosol dispenser of thetype including a container and a valved outlet assembly closing the top of the container and having an openinner end, of means for providing a supplemental reservoir for liquid within the kdispenser, for extending the time ofdischarge of aerosol from such dispenser when held ininverted.
position with the valve of the assembly open, said means comprising a unit consisting of an openrended dip tube the top end of which isy of; a size to be attached to the open Vinner end of such valved outlet assembly and the bottom end of which has mounted therein aV hollow plug formed with a nipple extending into `said, dip tube, a tube of substantially smaller diameter than the dip tube within said dip tube and having one endvmounted onsaid nipple and its other end terminating short of the top end of the dip tube to provide open lfluid communication therewith. 6. A means Vaccording to `claim 5 wherein the Vouter end of the rdip tube is tted with a bushing adapted to engage over a nipple on a valved outlet assembly. Y
References vCited the Examiner UNITED STATES PATENTS Malakoff et al. 222--394 RAPHAEL M. LUPO, Primary Examiner. Y

Claims (1)

1. AN AEROSOL DISPENSER COMPRISING, IN COMBINATION, A CONTAINER FOR LIQUID UNDER SUPER-ATMOSPHERIC PRESSURE, A VALVED OUTLET ASSEMBLY CLOSING THE TOP OF THE CONTAINER, A DIP TUBE CLOSED AT ITS INNER END ATTACHED TO THE OUTLET ASSEMBLY AND EXTENDING DOWNWARDLY THEREFROM TO THE BOTTOM OF THE CONTAINER AND A SECOND TUBE OF SMALLER DIAMETER THAN THE DIP TUBE WITHIN SAID DIP TUBE, THE INNER END OF SAID SECOND TUBE BEING IN OPEN COMMUNICATION WITH THE CONTAINER AT ITS BOTTOM THROUGH THE INNER END OF THE DIP TUBE AND THE OUTER END OF SAID SECOND TUBE OPENING INTO SAID DIP TUBE IN PROMIXITY TO ITS OUTER END.
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647119A (en) * 1970-05-26 1972-03-07 S C John & Son Inc Pressurized package
US3733013A (en) * 1970-12-22 1973-05-15 Sterling Drug Inc Double dip tube aerosol
FR2593147A1 (en) * 1986-01-17 1987-07-24 Aerosol Inventions Dev STERILE PACKAGING OF LIQUID AND SEMI-LIQUID FLUID SUBSTANCES.
US5143288A (en) * 1991-02-14 1992-09-01 S. C. Johnson & Son, Inc. Compressed gas aerosol spray system with a dip tube vapor tap hole
US6517009B2 (en) 1997-12-25 2003-02-11 Gotit Ltd. Automatic spray dispenser
US20120024910A1 (en) * 2010-07-30 2012-02-02 Kim Yoon Ki Push pump device
US20190270633A1 (en) * 2018-03-02 2019-09-05 Shimadzu Corporation Device for extracting liquid from a container

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1425297A (en) * 1922-08-08 Hand eire extinguisher
US2369721A (en) * 1941-06-30 1945-02-20 William F Delzer Beer dispenser
US2390871A (en) * 1944-03-13 1945-12-11 American Utilities Corp Apparatus for mixing and dispensing fluids of different densities
US2884937A (en) * 1956-11-16 1959-05-05 Jr Harry S Myers Standpipe propellant tank
US2932433A (en) * 1957-04-18 1960-04-12 John J Baessler Dispenser for pressure packed materials
US3129855A (en) * 1961-07-17 1964-04-21 Warner Lambert Pharmaceutical Aerosol package

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1425297A (en) * 1922-08-08 Hand eire extinguisher
US2369721A (en) * 1941-06-30 1945-02-20 William F Delzer Beer dispenser
US2390871A (en) * 1944-03-13 1945-12-11 American Utilities Corp Apparatus for mixing and dispensing fluids of different densities
US2884937A (en) * 1956-11-16 1959-05-05 Jr Harry S Myers Standpipe propellant tank
US2932433A (en) * 1957-04-18 1960-04-12 John J Baessler Dispenser for pressure packed materials
US3129855A (en) * 1961-07-17 1964-04-21 Warner Lambert Pharmaceutical Aerosol package

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647119A (en) * 1970-05-26 1972-03-07 S C John & Son Inc Pressurized package
US3733013A (en) * 1970-12-22 1973-05-15 Sterling Drug Inc Double dip tube aerosol
FR2593147A1 (en) * 1986-01-17 1987-07-24 Aerosol Inventions Dev STERILE PACKAGING OF LIQUID AND SEMI-LIQUID FLUID SUBSTANCES.
EP0236152A1 (en) * 1986-01-17 1987-09-09 Aerosol Inventions And Development S.A.A.I.D. S.A. Sterile packaging of liquid and semi-liquid substances
US4770323A (en) * 1986-01-17 1988-09-13 Aerosol Inventions And Development S.A. A.I.D. S.A. Sterile packaging of liquid and semi-liquid fluids
US5143288A (en) * 1991-02-14 1992-09-01 S. C. Johnson & Son, Inc. Compressed gas aerosol spray system with a dip tube vapor tap hole
WO1992014552A1 (en) * 1991-02-14 1992-09-03 S.C. Johnson & Son, Inc. Dip tube vapor tap compressed gas aerosol system
US6517009B2 (en) 1997-12-25 2003-02-11 Gotit Ltd. Automatic spray dispenser
US6540155B1 (en) 1997-12-25 2003-04-01 Gotit Ltd. Automatic spray dispenser
US20120024910A1 (en) * 2010-07-30 2012-02-02 Kim Yoon Ki Push pump device
US8579165B2 (en) * 2010-07-30 2013-11-12 Yoon Ki KIM Push pump device
US20190270633A1 (en) * 2018-03-02 2019-09-05 Shimadzu Corporation Device for extracting liquid from a container
US10723613B2 (en) * 2018-03-02 2020-07-28 Shimadzu Corporation Device for extracting liquid from a container

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