EP0550503A1 - Non-returnable pressure vessel, especially as a filling container for cooling and air conditioning installations. - Google Patents
Non-returnable pressure vessel, especially as a filling container for cooling and air conditioning installations.Info
- Publication number
- EP0550503A1 EP0550503A1 EP91916406A EP91916406A EP0550503A1 EP 0550503 A1 EP0550503 A1 EP 0550503A1 EP 91916406 A EP91916406 A EP 91916406A EP 91916406 A EP91916406 A EP 91916406A EP 0550503 A1 EP0550503 A1 EP 0550503A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve body
- valve
- bore
- filling
- container
- 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.)
- Granted
Links
Classifications
-
- 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
- B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
-
- 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
- B65D49/00—Arrangements or devices for preventing refilling of containers
- B65D49/02—One-way valves
- B65D49/04—Weighted valves
Definitions
- Disposable pressure containers especially as refill containers for refrigeration and air conditioning systems
- the invention relates to a disposable pressure container, in particular as a refill container for refrigeration and air conditioning systems, with a filling and removal valve having a filling and removal opening, which has a valve body displaceably guided in a bore in a valve housing and pressed against a valve seat by spring force comprises, which can be lifted both for filling the pressure container and for removing the pressurized container contents against the action of the spring force from the valve seat, and which comprises a second valve body which, before the first filling of the container by an overcome and fluid-permeable lock from its valve seat is held at a distance, wherein a plunger which can be actuated from the filling and removal opening and acts on the second valve body is provided, with which the second valve body can be pressed over the resilient lock, as a result of which the second valve body follows overcome the barrier forms a check valve with its valve seat, preventing re-filling of the container.
- Disposable pressure vessels are known from a number of applications. The most common use is likely to be as a spray can for spraying any product using a propellant. Such pressure vessels are also used as a gas tank for smaller brazing or welding devices. Another important use is as a refill container for l
- a disposable pressure vessel of the type mentioned is known from US-PS 37 04 813. This pressure vessel already has the advantage that it prevents refilling. However, the valve housing is structurally relatively complex and therefore expensive to manufacture.
- valve housing is integrally formed with a first bore for receiving the first valve body and a second bore for receiving the second valve body made of plastic, that the first bore on the end opposite the first valve seat facing radially inward , in one piece with the housing trained shoulder, on which on the one hand a coil spring pressing the first valve body against the first valve seat is supported, and on the other hand the lock for the second valve body is formed, the shoulder projecting radially inward into the circular plan of the second bore has, which are also integrally formed with the valve housing made of plastic.
- the valve housing can be easily molded as an injection, e.g. made of polyamide or the like produce. A considerable safety advantage can thus be achieved with a very low cost.
- a particularly simple design of the projections results if they are designed as radially inner ends of radial webs arranged on the shoulder and evenly distributed over the circumference. These webs lift the second valve body from the shoulder during the first filling, so that the fluid can flow into the smaller second bore and thus into the container when the container is being filled through channels which are delimited by the webs.
- the projections, seen from the smaller second bore converge conically towards the larger first bore.
- the valve body which is located within the second smaller bore after the first filling, is centered by the projections when the fluid is removed from the container, so that a uniform annular gap is formed through which the fluid can flow into the larger bore.
- the second valve body is rotationally symmetrical and has a smaller diameter than the second hole.
- the helical spring is supported on the webs formed on the shoulder and has an inner diameter that is slightly larger than that of the second valve body. In this way, the helical spring is a guide for the second valve body when the second valve body is pushed through the lock into the second, smaller bore after the first filling with the aid of the tappet.
- the second valve body is a ball, which preferably consists of a harder material than the projections.
- a preferred material for the ball is glass or steel, while polyamide is preferably used for the valve housing and the projections.
- a structurally and fluidically preferred solution can also provide that the tappet is surrounded at a distance by a collar of the first valve body and that the coil spring engages in the space between the tappet and collar a the first valve body.
- Fig. L in a schematic sectional view of a disposable pressure container with a filling and removal valve according to the invention
- FIG. 2 shows an enlarged illustration of the filling and removal valve from FIG. 1. _
- a pressure vessel 1 is shown, which is closed by a lid 2.
- the lid 2 is connected to the upper edge of the container 1 by a crimp closure.
- an essentially cylindrical elevation 3 is provided, in the middle of which a filling and removal opening 5 is provided.
- the elevation 3 encloses a filling and removal valve 4, which is engaged by a circumferential indentation 7 and in the elevation 3 is held.
- the valve 4 comprises a valve housing 8, which is sealed with a sealing washer 9 from the upper end of the elevation 3.
- a larger first bore 10 is provided within the seal housing 8, in which a first valve body 11 is arranged to be displaceable coaxially to the bore 10.
- the first valve body 11 has a sealing collar 12 on its side facing the filling and removal opening 5, which cooperates with the sealing disk 9 surrounding the opening 5. More specifically, the valve body 11 with its sealing collar 12 is pressed against the sealing disk 9 by a helical spring 13.
- the helical spring 13 is supported indirectly on a shoulder 14 arranged opposite the filling and removal opening 5. In the axial direction, the shoulder 14 is followed by a second bore 15 with a smaller diameter, which opens into the interior of the container and at whose end facing away from the shoulder 14 a conical valve seat 16 is formed.
- the first valve body 11 has a plunger 20 pointing towards the second, smaller bore 15, which is formed in one piece with the first valve body.
- the plunger 20 is surrounded at a distance by a collar 21 of the first valve body 11 facing the shoulder 14.
- the coil spring 13 is seated in the annular gap formed by the tappet 20 in the collar 21 and is supported on the bottom of the gap with respect to the first valve body 11.
- the tappet 20 ends at a distance from the webs 17.
- the distance is chosen so large that a ball 22 fits into the intermediate space, the diameter of which is slightly smaller than the diameter of the second Bore 15, but larger than the clear distance between the free ends 18 of the webs 17th
- the pressure vessel is shown before it is filled for the first time.
- the first valve body 11 is pressed by the spring 13 against the seal 9, and the second valve body, ie the ball 22, is still in the large bore 10 in front of the webs 17.
- the filler pin 23 now passes through the filling and removal opening 5 is inserted, it seals against the sealing washer 9 and lifts the first valve body 11 against the sealing washer 9.
- Fluid filled through the filler pin can now pass between the valve body 11, the sealing washer 9, then through the between the large bore 10 and the first Valve body formed annular gap and then pass between the webs 17 into the smaller bore 15 and from there into the interior of the container.
- the filler pin 23 or possibly another mandrel is pushed further into the filling opening, so that the plunger 20 presses the ball 22 lying in front of the webs 17 into the smaller, second bore 15.
- the webs 17 are made of a softer material than the ball 22, which is preferably made of steel or glass.
- the first valve body 11 is lifted off its seat again via a mandrel.
- the pressurized container wall now strives to flow into the larger bore 10 through the smaller, second bore 15.
- the ball 22 now located in the smaller bore 15 is pressed from the rear against the free ends 18 of the webs 17. Due to the inclined configuration of the free ends 18 of the webs, the ball 22 is centered so that the emerging fluid can flow uniformly around the ball and enter the larger bore, in order to then be formed by the one formed between the first valve body 11 and the wall of the large bore 10 Annular gap and between the sealing disc 9 and the lifted valve body 11 to get out.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Check Valves (AREA)
Abstract
Sur un réservoir sous pression à jeter, il est prévu une soupape combinée de remplissage et de décharge qui comporte un corps de soupape (11) coulissant dans une cavité d'un boîtier de soupape (8) et pressé contre un siège de soupape par une force élastique, corps qui peut se soulever de son siège aussi bien pendant le remplissage que pendant la décharge. La soupape comprend également un deuxième corps de soupape (22) qui est maintenu écarté de son siège (16), avant le premier remplissage du réservoir, par un dispositif d'arrêt (17, 18) franchissable et perméable aux liquides. Après le remplissage du réservoir, le deuxième corps de soupape (22) est repoussé au-delà du dispositif d'arrêt (17) et forme avec son siège (16) une soupape de retenue qui empêche un nouveau remplissage du réservoir (1). Pour abaisser le coût de fabrication de la soupape, le boîtier (8) est réalisé dans une seule pièce en matière plastique avec une première cavité (10) destinée à recevoir le premier corps de soupape et une deuxième cavité (15) destinée à recevoir le deuxième corps de soupape (22). La première cavité (10) présente, sur le côté opposé au premier siège (9), un retrait (14) dirigé vers l'intérieur dans le sens radial et formé d'une seule pièce avec le boîtier, retrait sur lequel des parties en saillie (18), disposées vers l'intérieur dans le sens radial, dans le plan horizontal circulaire de la deuxième cavité (15), sont réalisées en une seule pièce en matière plastique avec le boîtier. Le premier corps de soupape (11) s'appuie par un ressort cylindrique (13) contre le retrait (14). tandis que les parties en saillie (18) forment le dispositif d'arrêt pour le deuxième corps de soupape (22).On a disposable pressure tank, there is provided a combined fill and discharge valve which has a valve body (11) sliding in a cavity of a valve housing (8) and pressed against a valve seat by a elastic force, body which can rise from its seat both during filling and during discharge. The valve also comprises a second valve body (22) which is kept away from its seat (16), before the first filling of the reservoir, by a stop device (17, 18) which can be crossed and permeable to liquids. After filling the tank, the second valve body (22) is pushed past the stop device (17) and together with its seat (16) forms a check valve which prevents refilling of the tank (1). To lower the cost of manufacturing the valve, the housing (8) is made in a single piece of plastic with a first cavity (10) intended to receive the first valve body and a second cavity (15) intended to receive the valve body. second valve body (22). The first cavity (10) has, on the side opposite to the first seat (9), a recess (14) directed inwardly in the radial direction and formed integrally with the housing, recess on which parts in projections (18), arranged inwardly in the radial direction, in the circular horizontal plane of the second cavity (15), are made in one piece of plastic with the housing. The first valve body (11) is supported by a cylindrical spring (13) against the recess (14). while the protruding parts (18) form the stopper for the second valve body (22).
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9013730U DE9013730U1 (en) | 1990-10-02 | 1990-10-02 | Disposable pressure vessels, especially as refill containers for refrigeration and air conditioning systems |
DE9013730U | 1990-10-02 | ||
PCT/EP1991/001723 WO1992006019A1 (en) | 1990-10-02 | 1991-09-10 | Non-returnable pressure vessel, especially as a filling container for cooling and air conditioning installations |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0550503A1 true EP0550503A1 (en) | 1993-07-14 |
EP0550503B1 EP0550503B1 (en) | 1994-07-13 |
Family
ID=6858000
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91916406A Expired - Lifetime EP0550503B1 (en) | 1990-10-02 | 1991-09-10 | Non-returnable pressure vessel, especially as a filling container for cooling and air conditioning installations |
Country Status (4)
Country | Link |
---|---|
US (1) | US5305925A (en) |
EP (1) | EP0550503B1 (en) |
DE (2) | DE9013730U1 (en) |
WO (1) | WO1992006019A1 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5400920A (en) * | 1993-07-29 | 1995-03-28 | Minnesota Mining And Manufacturing Company | One-time fill aerosol valve |
US5383487A (en) * | 1994-03-29 | 1995-01-24 | Home; William | Refill-prevention valve |
US5586589A (en) * | 1995-05-19 | 1996-12-24 | Monsanto Company | Refillable closed container system |
PT1230512E (en) * | 1999-11-10 | 2007-01-31 | Tosto Walter Serbatoi Spa | Cartridge connecting system for combustible gas distributors |
DE10050085C1 (en) * | 2000-10-10 | 2001-10-31 | Jochem Koetting | Container closure element e.g. for analysis or reaction tube, provided as sphere, sphere segment, section or layer with paramagnetic core |
US6561237B1 (en) * | 2000-11-28 | 2003-05-13 | Brasscorp Ltd. | Apparatus and method for urging fluid into a pressurized system |
KR100884650B1 (en) * | 2002-12-26 | 2009-02-20 | 정현수 | Bottle cap |
US6932238B2 (en) * | 2003-01-28 | 2005-08-23 | Air Liquide Advanced Technologies U.S. Llc | Non-refillable valve device |
US7077171B2 (en) * | 2004-05-21 | 2006-07-18 | Interdynamics, Inc. | Controlled leakage container and method |
US8074965B2 (en) * | 2004-10-19 | 2011-12-13 | Eric Carrato | Device for connecting a gas-operated appliance and a gas cartridge |
FR2901863B1 (en) * | 2006-06-06 | 2008-08-22 | Applic Des Gaz Soc Par Actions | LIQUID COMBUSTIBLE GAS CARTRIDGE |
US20070284395A1 (en) * | 2006-06-09 | 2007-12-13 | Scott Specialty Gases, Inc. | Container and method for maintaining stability of gas mixtures |
US7971454B2 (en) * | 2008-07-28 | 2011-07-05 | Datacolor Holding Ag | Beaker type dyeing machine |
JP5380457B2 (en) * | 2008-10-09 | 2014-01-08 | 株式会社ダイゾー | Aerosol container sealing structure, aerosol container, and aerosol container manufacturing method |
KR101543298B1 (en) * | 2008-10-13 | 2015-08-10 | 에스케이 텔레콤주식회사 | / Video encoding/decoding apparatus and Variable OBMC apparatus and method |
DE102008053716B4 (en) * | 2008-10-29 | 2012-09-27 | Khs Gmbh | Container, in particular large-volume disposable plastic containers such as Keg for receiving drinks |
US10113780B2 (en) | 2011-11-14 | 2018-10-30 | The Armor All/Stp Products Company | Refrigerant charging assemblies and methods of use |
US10131486B2 (en) * | 2012-07-27 | 2018-11-20 | The Chemours Company Fc, Llc | Can tap |
US9145240B2 (en) * | 2013-04-25 | 2015-09-29 | Owens-Brockway Glass Container Inc. | Container fitment |
EP3078606B1 (en) * | 2013-12-03 | 2020-11-18 | Mitani Valve Co., Ltd. | Aerosol housing mechanism and aerosol product provided with said aerosol housing mechanism |
DE202014001720U1 (en) | 2014-02-27 | 2015-03-02 | Gerhard Brugger | donor |
CN110159815A (en) * | 2019-07-02 | 2019-08-23 | 王健 | Refrigerant container Self-sealing valve |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3704813A (en) * | 1969-12-08 | 1972-12-05 | George C Devol | Valve systems for non-refillable containers |
DE2559444C3 (en) * | 1975-01-29 | 1979-06-13 | Deutsche Praezisions-Ventil Gmbh, 6234 Hattersheim | Valve for pressurized gas packs |
IT1087449B (en) * | 1977-11-17 | 1985-06-04 | Coster Tecnologie Speciali Spa | IMPROVEMENT IN AEROSOL DISPENSING VALVES |
FR2536818B1 (en) * | 1982-11-29 | 1987-06-12 | Sanden John V D | VALVE VALVE FOR PRESSURE CONTAINERS, FOR EXAMPLE COMPRESSED GAS BOTTLES |
US4543980A (en) * | 1983-10-13 | 1985-10-01 | Sanden John A V D | Valve for pressurized containers |
US4573611A (en) * | 1984-06-11 | 1986-03-04 | Amtrol Inc. | Non-refillable valve |
US4921214A (en) * | 1989-05-18 | 1990-05-01 | Amtrol Inc. | Non-refillable packless valve for pressurized containers |
EP0401072B1 (en) * | 1989-05-29 | 1993-09-22 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Valve assembly for a packing under fluid pressure and packing provided with such an assembly |
-
1990
- 1990-10-02 DE DE9013730U patent/DE9013730U1/en not_active Expired - Lifetime
-
1991
- 1991-09-10 EP EP91916406A patent/EP0550503B1/en not_active Expired - Lifetime
- 1991-09-10 DE DE59102198T patent/DE59102198D1/en not_active Expired - Fee Related
- 1991-09-10 WO PCT/EP1991/001723 patent/WO1992006019A1/en active IP Right Grant
- 1991-09-10 US US07/916,005 patent/US5305925A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9206019A1 * |
Also Published As
Publication number | Publication date |
---|---|
US5305925A (en) | 1994-04-26 |
EP0550503B1 (en) | 1994-07-13 |
WO1992006019A1 (en) | 1992-04-16 |
DE59102198D1 (en) | 1994-08-18 |
DE9013730U1 (en) | 1992-02-06 |
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