CA1315824C - Fluid connector assembly - Google Patents
Fluid connector assemblyInfo
- Publication number
- CA1315824C CA1315824C CA000574478A CA574478A CA1315824C CA 1315824 C CA1315824 C CA 1315824C CA 000574478 A CA000574478 A CA 000574478A CA 574478 A CA574478 A CA 574478A CA 1315824 C CA1315824 C CA 1315824C
- Authority
- CA
- Canada
- Prior art keywords
- neck
- central bore
- conduit
- connector assembly
- assembly according
- 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 - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0231—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member with specially adapted means for positioning the threaded member behind the collar
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S285/00—Pipe joints or couplings
- Y10S285/921—Snap-fit
Abstract
FLUID CONNECTOR ASSEMBLY
ABSTRACT OF THE DISCLOSURE
A fluid connector assembly is disclosed. The fluid connector assembly includes a first member having a body and a neck extending from the body. At least two peripheral grooves are formed in the neck. At least two resilient polymeric members are adapted to be received by the neck in the two peripheral grooves. A second member, having a central bore therethrough, is adapted to be received by the extending neck of the first member. The central bore has a first portion adapted to be coupled with one of the resilient polymeric members to seal the second member with the first member. A second portion of the central bore is adapted to be coupled with the other resilient polymeric member to retain the second member onto the first member.
ABSTRACT OF THE DISCLOSURE
A fluid connector assembly is disclosed. The fluid connector assembly includes a first member having a body and a neck extending from the body. At least two peripheral grooves are formed in the neck. At least two resilient polymeric members are adapted to be received by the neck in the two peripheral grooves. A second member, having a central bore therethrough, is adapted to be received by the extending neck of the first member. The central bore has a first portion adapted to be coupled with one of the resilient polymeric members to seal the second member with the first member. A second portion of the central bore is adapted to be coupled with the other resilient polymeric member to retain the second member onto the first member.
Description
~ ) ~3 ~ ~ ~ 2 '1 08~3-00011 FLUID CONNECTOR ASS~MBLY
k round and Summar of the lnvention ac g _ _ y The pre6ent invention relates to fluid connector assemblies for conduit~ and, more particularly, to connector assemblies having resilient polymeric members which ~eal and retain together the connector as~embly.
Fluid connector assemblie~ arei desirable to ~uickly couple and detach conduit assemblies or the like. Several types of connector assemblies exist in the art. These connector assemblies have various types of mechanisms to retain the connector a~sembly together while in use. Also, the connector assemblies utilize gaskets or the like to seal portions of the connectors while in use. Ordinarily, a connector assembly is formed of two members; a male fitting for insertion and a female fitting for receiYing and ~ecuring the male fitting. Current art i6 il1ustrated in the following U.5 patents. They are U.S. Patent Nos. 4,690,436;
4,565,392; 3,667,785; 3,637,239 and 3~222~091 While the a~ove art discloses several types of connector assemblies, the ar$, however, has several disadvantages. One disadvantage is that the mechanism which retains the two connector member~ together is a 61ip or compression ring While slip or compression r~ngs are satisfactory, they require a large amount of force to couple and detach the connector members from one another.
Accordingly, it i~ an object of the present invention to overcome the disadvantage~ o~ the above art. The pre~ent ,131~2ll invention provides the art with a fluid connector assembly which enahles resilient polymeric members to retain and al~o seal the connector members with one another. The present invention enables the connector members to be easily coupled and detached from one another.
The present invention provides the art with a new and improved fluid connector assembly. The connector assembly of the presen~ invention comprises a first member including a body portion, a neck portion and a step portion. The step portion is positioned between ~he neck and body and has a diameter less than that of the body. The neck extends ~rom the step a desixed distance and has a diameter less than that of the step. At least two peripheral grooves are formed, at least one being in the neck and at least one being in the step. At least two resilient elastomeric O-ring members having a closed peripheral surface in cross-section are adapted to be received by the neck and the step in the grooves. A second member having a central throughbore is adapted to be received by the extending neck and step. The o-ring on the neck seals the first member with the seaond member while the other O-ring positioned on the step serves for removably coupling the first member with the second member. The central bore of the second member has a first portion adapted to be associated with the sealing O-ring member for sealing the second member with the first member, and a second portion, which includes means adapted to be coupled with the step O-ring member, for retaining the second member on the first member.
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From the subsequent description taken in conjunction with the accompanying drawings, other objects and advantages o~
the present invention will become apparent to the skilled artisan.
Brief Description of the Drawinqs Figure 1 is a perspective view of a connector assembly in accordance with the present invention.
Figure 2 is an explod~d perspective view o~
Figure 1.
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~J ' ) 13~8~
Figure 3 is a cro~6~section view of Figure 1 along line 3-3 thereofO
Figure 4 is a cro~-6ection view of Figure 2 along line 4-4 thereof.
Figure ~ is a ~econd embodiment of a connector assembly in accordance with the present invention.
Detailed Description of the P~eferred Embodiment Referring to the figure~, and particularly to Figures 1 and 2, a ~luid connector assembly is illustrated and designated with the reference numeral 10. The fluid connector assembly 10 includes a first member 12 adapted to be coupled with a second member 14. Al~o, a conduit 16 may be coupled with the second member to transmit fluid or the like~
Referrin~ to Figures 2 and 3, a better understanding of the fir~t and ~econd member6 12 and 14 may be procured.
The first member 12 includes a body portion 18 and an integral extending neck portion 20. The body portion 1~ is elongated and has an overall hexagon cross-~ectional ~hape.
The neck 20 is cyl~nd~ical, having a plurality of grooves 22 24 and 26 on it~ outer periphery.
The grooves 22 and 24 are ~ubstantially identical and are adapted to receive re~ilient polymeric sealing me~bers or O-rings 28 and 29, respectively, which ~eal the second member 14 with the first member 12 when the member6 12 and 14 are coupled together. The grooves 22 and 24 generally have a curved surface 42 to ~eat O-rings 28 and 29. A step portion 30 proiect~ angularly from the neck pexiphery 32, increasing ~ ) ~ 3 ~
the diameter of the neck portion 20 adjacent to the body portion 18~ The step portion 30 includes groove 26, which is adapted to receive a re~ilient polymeric retaining member or O-ring 34.
The gr~ove 26 preferably has two ~ub~tantially planar walls 36 and 38 which are parallel to one another and a base 40 which i~ ~ubstan~ially perpendicular to both the walls 36 and 38. The base 40 is substantially colinear with the neck periphery 32~ A central bore 44 pa~ses through the neck and body portions 20 and 18 to enable fluid to pass into the first member 12. The first member 12 may be connected with any type of struc.ture to enable fluid passage into the structure.
The second member 14 includes a sleeve portion 46 and a flange portion 48. A central bore 50 passes through both the sleeve and flange portions 46 and 48. The ~leeve 46 has an outer periphery 51 adapted to be coupled with a conduit 16 or the like, as ~hown in phantom in Figure 1. The inner periphery of the sleeve 46 is defined ~y the central bore 50.
The central bore 50 passes inward from the free extending end 52 of the sleeve portion 46 and ~lairs outward at the flange portion 48. The flair 53 seats against the angled portion 55 o~ the step portion 30. A pair of peripheral walls 54 and 56 project into the central bore S0 at the flange portion 48, as seen in Figure 4. The projecting wall~ 54 and 56 define a retaining cavity 58. The retaining cavity 58 i8 positioned around the retaining O-ring 34, in ita coupled position, to retain the ~econd member 14 with the first member 12. The peripheral wall 56 acts as a backstop to prevent the ~econd L ~ 6~ /1 member 14 from sliding over retaining O-ring 34 when pressure is present in the Bystem-The O-rings 28, 29 and 34 are elastomeric ~ontinuous substantially circular band~ o~ preferably a rubber material~
The O-rings 28, 29 and 34 are circumferen~ially expanded to fit over the neck portion periphery 32 to 6eat into grooves 22, 24 and 26, respectively. o ring 34 has a diameter larger than O-rings 28 and 29 to seat in groove 26 on the ~tep portion 30. O-rings 28 and 29 seal the members 12 and 14 against leakageO O-ring 34 retains ~he two members in a locked relationship when in use, as seen in Figure 3.
Figure 5 illustrates a 6econd embodiment of the present invention. In Figure 5, conduits 60 and 62 are secured to the first and second members 12 and 14, respectfully. The first member 12 includes a &leeve 64 to retain the conduit 60 onto the first member 12. The central bore 44 passes through the first member 12 and sleeve 64 to enable fluid flow to pass through the conduit assembly 10.
The first 12 and ~econd members 14 are ~ubstantially identical as described herein.
While the above describes the preferred embodiment of the present invention, it will be understood that variations, modifications and alterations may be made to the present invention without de~iating from the 8cope and fair meaning of the subjoined claims~
k round and Summar of the lnvention ac g _ _ y The pre6ent invention relates to fluid connector assemblies for conduit~ and, more particularly, to connector assemblies having resilient polymeric members which ~eal and retain together the connector as~embly.
Fluid connector assemblie~ arei desirable to ~uickly couple and detach conduit assemblies or the like. Several types of connector assemblies exist in the art. These connector assemblies have various types of mechanisms to retain the connector a~sembly together while in use. Also, the connector assemblies utilize gaskets or the like to seal portions of the connectors while in use. Ordinarily, a connector assembly is formed of two members; a male fitting for insertion and a female fitting for receiYing and ~ecuring the male fitting. Current art i6 il1ustrated in the following U.5 patents. They are U.S. Patent Nos. 4,690,436;
4,565,392; 3,667,785; 3,637,239 and 3~222~091 While the a~ove art discloses several types of connector assemblies, the ar$, however, has several disadvantages. One disadvantage is that the mechanism which retains the two connector member~ together is a 61ip or compression ring While slip or compression r~ngs are satisfactory, they require a large amount of force to couple and detach the connector members from one another.
Accordingly, it i~ an object of the present invention to overcome the disadvantage~ o~ the above art. The pre~ent ,131~2ll invention provides the art with a fluid connector assembly which enahles resilient polymeric members to retain and al~o seal the connector members with one another. The present invention enables the connector members to be easily coupled and detached from one another.
The present invention provides the art with a new and improved fluid connector assembly. The connector assembly of the presen~ invention comprises a first member including a body portion, a neck portion and a step portion. The step portion is positioned between ~he neck and body and has a diameter less than that of the body. The neck extends ~rom the step a desixed distance and has a diameter less than that of the step. At least two peripheral grooves are formed, at least one being in the neck and at least one being in the step. At least two resilient elastomeric O-ring members having a closed peripheral surface in cross-section are adapted to be received by the neck and the step in the grooves. A second member having a central throughbore is adapted to be received by the extending neck and step. The o-ring on the neck seals the first member with the seaond member while the other O-ring positioned on the step serves for removably coupling the first member with the second member. The central bore of the second member has a first portion adapted to be associated with the sealing O-ring member for sealing the second member with the first member, and a second portion, which includes means adapted to be coupled with the step O-ring member, for retaining the second member on the first member.
ycc/kb --2--. ~ ~.~i ~ , .
1315~2~
From the subsequent description taken in conjunction with the accompanying drawings, other objects and advantages o~
the present invention will become apparent to the skilled artisan.
Brief Description of the Drawinqs Figure 1 is a perspective view of a connector assembly in accordance with the present invention.
Figure 2 is an explod~d perspective view o~
Figure 1.
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~J ' ) 13~8~
Figure 3 is a cro~6~section view of Figure 1 along line 3-3 thereofO
Figure 4 is a cro~-6ection view of Figure 2 along line 4-4 thereof.
Figure ~ is a ~econd embodiment of a connector assembly in accordance with the present invention.
Detailed Description of the P~eferred Embodiment Referring to the figure~, and particularly to Figures 1 and 2, a ~luid connector assembly is illustrated and designated with the reference numeral 10. The fluid connector assembly 10 includes a first member 12 adapted to be coupled with a second member 14. Al~o, a conduit 16 may be coupled with the second member to transmit fluid or the like~
Referrin~ to Figures 2 and 3, a better understanding of the fir~t and ~econd member6 12 and 14 may be procured.
The first member 12 includes a body portion 18 and an integral extending neck portion 20. The body portion 1~ is elongated and has an overall hexagon cross-~ectional ~hape.
The neck 20 is cyl~nd~ical, having a plurality of grooves 22 24 and 26 on it~ outer periphery.
The grooves 22 and 24 are ~ubstantially identical and are adapted to receive re~ilient polymeric sealing me~bers or O-rings 28 and 29, respectively, which ~eal the second member 14 with the first member 12 when the member6 12 and 14 are coupled together. The grooves 22 and 24 generally have a curved surface 42 to ~eat O-rings 28 and 29. A step portion 30 proiect~ angularly from the neck pexiphery 32, increasing ~ ) ~ 3 ~
the diameter of the neck portion 20 adjacent to the body portion 18~ The step portion 30 includes groove 26, which is adapted to receive a re~ilient polymeric retaining member or O-ring 34.
The gr~ove 26 preferably has two ~ub~tantially planar walls 36 and 38 which are parallel to one another and a base 40 which i~ ~ubstan~ially perpendicular to both the walls 36 and 38. The base 40 is substantially colinear with the neck periphery 32~ A central bore 44 pa~ses through the neck and body portions 20 and 18 to enable fluid to pass into the first member 12. The first member 12 may be connected with any type of struc.ture to enable fluid passage into the structure.
The second member 14 includes a sleeve portion 46 and a flange portion 48. A central bore 50 passes through both the sleeve and flange portions 46 and 48. The ~leeve 46 has an outer periphery 51 adapted to be coupled with a conduit 16 or the like, as ~hown in phantom in Figure 1. The inner periphery of the sleeve 46 is defined ~y the central bore 50.
The central bore 50 passes inward from the free extending end 52 of the sleeve portion 46 and ~lairs outward at the flange portion 48. The flair 53 seats against the angled portion 55 o~ the step portion 30. A pair of peripheral walls 54 and 56 project into the central bore S0 at the flange portion 48, as seen in Figure 4. The projecting wall~ 54 and 56 define a retaining cavity 58. The retaining cavity 58 i8 positioned around the retaining O-ring 34, in ita coupled position, to retain the ~econd member 14 with the first member 12. The peripheral wall 56 acts as a backstop to prevent the ~econd L ~ 6~ /1 member 14 from sliding over retaining O-ring 34 when pressure is present in the Bystem-The O-rings 28, 29 and 34 are elastomeric ~ontinuous substantially circular band~ o~ preferably a rubber material~
The O-rings 28, 29 and 34 are circumferen~ially expanded to fit over the neck portion periphery 32 to 6eat into grooves 22, 24 and 26, respectively. o ring 34 has a diameter larger than O-rings 28 and 29 to seat in groove 26 on the ~tep portion 30. O-rings 28 and 29 seal the members 12 and 14 against leakageO O-ring 34 retains ~he two members in a locked relationship when in use, as seen in Figure 3.
Figure 5 illustrates a 6econd embodiment of the present invention. In Figure 5, conduits 60 and 62 are secured to the first and second members 12 and 14, respectfully. The first member 12 includes a &leeve 64 to retain the conduit 60 onto the first member 12. The central bore 44 passes through the first member 12 and sleeve 64 to enable fluid flow to pass through the conduit assembly 10.
The first 12 and ~econd members 14 are ~ubstantially identical as described herein.
While the above describes the preferred embodiment of the present invention, it will be understood that variations, modifications and alterations may be made to the present invention without de~iating from the 8cope and fair meaning of the subjoined claims~
Claims (9)
1. A fluid connector assembly comprising:
a first member including a body, a neck and a step portion having a diameter less than said body, said step portion positioned between said neck and body, said neck extending from said step a desired distance and having a diameter less than said step;
at least two peripheral grooves, one peripheral groove in said neck and one peripheral groove in said step;
at least two resilient elastomeric substantially O-ring members having a closed peripheral surface in cross section adapted to be received by said neck and step in said grooves, the O-ring for sealing said first member positioned on said neck to seal said first member with a second member, said second member having a central bore therethrough adapted to be received by said extending neck and step, the other of said O-rings positioned on said step for removably coupling said first member with the second member;
said central bore of said second member having a first portion adapted to be associated with said sealing O-ring member for sealing said second member with said first member and a second portion of said central bore including a means adapted to be coupled with said other O-ring member on said step for retaining said second member on said first member.
a first member including a body, a neck and a step portion having a diameter less than said body, said step portion positioned between said neck and body, said neck extending from said step a desired distance and having a diameter less than said step;
at least two peripheral grooves, one peripheral groove in said neck and one peripheral groove in said step;
at least two resilient elastomeric substantially O-ring members having a closed peripheral surface in cross section adapted to be received by said neck and step in said grooves, the O-ring for sealing said first member positioned on said neck to seal said first member with a second member, said second member having a central bore therethrough adapted to be received by said extending neck and step, the other of said O-rings positioned on said step for removably coupling said first member with the second member;
said central bore of said second member having a first portion adapted to be associated with said sealing O-ring member for sealing said second member with said first member and a second portion of said central bore including a means adapted to be coupled with said other O-ring member on said step for retaining said second member on said first member.
2. The fluid connector assembly according to claim 1, said neck further comprising a third peripheral groove for receiving a third resilient polymeric member, said third resilient polymeric member further sealing said second member with said first member.
3. The fluid connector assembly according to claim 1, wherein said second member further comprises a sleeve portion having an inner periphery defining said first portion of said central bore and an outer periphery adapted to receive a conduit.
4. The fluid connector assembly according to claim 3, wherein said second member includes a flange portion adjacent said sleeve, said flange having an inner periphery defining said second portion of said central bore.
5. The fluid connector assembly according to claim 1, wherein said first member includes a central bore through said neck and into said body for passage of fluid into said first member.
6. A conduit assembly comprising:
a conduit for transmission of fluid; and a connector adapted to be coupled with said conduit, said connector including:
a first member having a body, a neck and a step portion having a diameter less than said body, said step portion positioned between said neck and body, said neck extending from said step a desired distance and having a diameter less than said step;
at least two peripheral grooves, one peripheral groove in said neck and one peripheral groove in said step;
at least two resilient elastomeric O-ring members having a closed peripheral surface in cross-section adapted to be received by said neck and step in said grooves;
a second member having a sleeve portion and a flange portion with a continuous central bore through both portions defining the inner periphery of both portions, said central bore adapted to be received on said neck and step, said sleeve portion having an outer periphery adapted to be coupled with said conduit;
said sleeve portion central bore adapted to be coupled with said resilient elastomeric O-ring member on said neck to seal said second member with said first member; and said flange portion central bore including a means adapted to be coupled with said other resilient elastomeric O-ring member on said step for removably retaining said second member on said first member.
a conduit for transmission of fluid; and a connector adapted to be coupled with said conduit, said connector including:
a first member having a body, a neck and a step portion having a diameter less than said body, said step portion positioned between said neck and body, said neck extending from said step a desired distance and having a diameter less than said step;
at least two peripheral grooves, one peripheral groove in said neck and one peripheral groove in said step;
at least two resilient elastomeric O-ring members having a closed peripheral surface in cross-section adapted to be received by said neck and step in said grooves;
a second member having a sleeve portion and a flange portion with a continuous central bore through both portions defining the inner periphery of both portions, said central bore adapted to be received on said neck and step, said sleeve portion having an outer periphery adapted to be coupled with said conduit;
said sleeve portion central bore adapted to be coupled with said resilient elastomeric O-ring member on said neck to seal said second member with said first member; and said flange portion central bore including a means adapted to be coupled with said other resilient elastomeric O-ring member on said step for removably retaining said second member on said first member.
7. The conduit assembly according to claim 6, said neck further comprising a third peripheral groove for receiving a third resilient elastomeric member, said third resilient elastomeric member sealing said second member with said first member.
8. The conduit assembly according to claim 60 wherein said first member includes a central bore through said neck and into said body for passage of fluid into said first member.
9. The conduit assembly according to claim 8 wherein said central bore passes through said body and said body includes means for enabling securement of a conduit to said first member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/097,866 US4863202A (en) | 1987-09-16 | 1987-09-16 | Fluid connector assembly |
| US097,866 | 1987-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1315824C true CA1315824C (en) | 1993-04-06 |
Family
ID=22265505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000574478A Expired - Fee Related CA1315824C (en) | 1987-09-16 | 1988-08-11 | Fluid connector assembly |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4863202A (en) |
| JP (2) | JPH0198791A (en) |
| CA (1) | CA1315824C (en) |
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| USD838366S1 (en) | 2016-10-31 | 2019-01-15 | Nordson Corporation | Blood pressure connector |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3637239A (en) * | 1969-10-30 | 1972-01-25 | Johns Manville | Thrust-resistant pipe joint |
| US3667785A (en) * | 1970-05-20 | 1972-06-06 | Martin Kapeker | Coupler for tubular members |
| DE2155070A1 (en) * | 1971-11-05 | 1973-05-10 | Wildfang Dieter Kg | SWIVEL TUBE CONNECTION |
| DE2650370C2 (en) * | 1975-11-12 | 1986-12-04 | Kjell Ronny Zug Ekman | Lockable line coupling |
| US4105226A (en) * | 1976-06-01 | 1978-08-08 | Celanese Corporation | Snap-in fittings and coupling ring therefor |
| US4431218A (en) * | 1982-02-05 | 1984-02-14 | Dayco Corporation | Fluid coupling and method of making same |
| US4615547A (en) * | 1982-11-24 | 1986-10-07 | Husky Corporation | Multi-plane swivel connector |
| US4516796A (en) * | 1983-03-28 | 1985-05-14 | The Estate Of Thomas S. Krause | Fluid coupling |
| DE3419999A1 (en) * | 1984-05-29 | 1985-12-05 | Karl 7298 Loßburg Hehl | PIPE FITTING WITH TOUCH GASKET |
| US4565392A (en) * | 1984-07-09 | 1986-01-21 | Stratoflex, Inc. | Quick connect coupling |
| JPH0314629Y2 (en) * | 1985-03-22 | 1991-04-02 | ||
| JPS62124394U (en) * | 1986-01-30 | 1987-08-07 |
-
1987
- 1987-09-16 US US07/097,866 patent/US4863202A/en not_active Expired - Lifetime
-
1988
- 1988-08-11 CA CA000574478A patent/CA1315824C/en not_active Expired - Fee Related
- 1988-09-13 JP JP63229709A patent/JPH0198791A/en active Pending
-
1991
- 1991-12-24 JP JP1991106266U patent/JP2534577Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4863202A (en) | 1989-09-05 |
| JP2534577Y2 (en) | 1997-04-30 |
| JPH0198791A (en) | 1989-04-17 |
| JPH068888U (en) | 1994-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |