EP0794910A1 - Valve arrangement for a pressurised liquid or foam dispenser - Google Patents
Valve arrangement for a pressurised liquid or foam dispenserInfo
- Publication number
- EP0794910A1 EP0794910A1 EP95935344A EP95935344A EP0794910A1 EP 0794910 A1 EP0794910 A1 EP 0794910A1 EP 95935344 A EP95935344 A EP 95935344A EP 95935344 A EP95935344 A EP 95935344A EP 0794910 A1 EP0794910 A1 EP 0794910A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- arrangement according
- valve arrangement
- sealing
- dome
- 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
- B65D83/44—Valves specially adapted therefor; Regulating devices
- B65D83/48—Lift valves, e.g. operated by push action
Definitions
- Valve assembly for a container for dispensing pressurized liquid or foam
- valve arrangements of this type sit on a container which is used to dispense pressurized liquid or foam, in particular PU foam, assembly or sealing foam, which has on its upper side a valve disk is provided which has a particularly circular opening in which a valve body provided with a valve stem is fastened.
- the valve stem is elastically compressible and interacts with sealing elements in the sense of a valve opening.
- the sealing elements have, in particular, flat or conical sealing surfaces which are arranged on a sealing body and act on correspondingly shaped sealing surfaces of the valve body in the closed position.
- valve arrangements have resilient sections or elements which ensure the compressibility of the valve stem. These resilient sections or elements z. B. can be dome-like, tend to have instabilities that can lead to a functional impairment during storage and operation. Available valve bodies often do not or no longer have the required elastic properties from the beginning or after a short use. They are either too hard or not flexible enough, they can be too soft or wear out too quickly. This means that the valve arrangement does not return to the defined starting / closing position after the discharge process and no longer achieves a sufficient seal. Foam emerges, which under certain circumstances can lead to soiling and damage.
- the invention is based on the object of improving and developing a valve arrangement in such a way that it has a high functionality and a simple structure ensures a good sealing effect and is easy to manufacture and assemble. This object is achieved by the characterizing features of claim 1. Advantageous further developments of the invention result from subclaims 2-30.
- valve body As a plastic composite body consisting of an inner, hard part and an outer, soft part, the inner, hard part and the outer, soft part being sprayed on their common contact surfaces are intimately joined to form an indissoluble bond.
- the elastic part which hangs on the valve body is also made of two components, and the necessary, durable and robust spring properties which are necessary for a high tightness of the valve system are ensured.
- the valve body is manufactured using a two-stage spraying process.
- the outer, soft part ensures the necessary spring action in the compressible area, but also the necessary sealing action in the areas on the sealing body, on the valve plate and on the connection for the outlet line.
- the inner, hard part is essentially designed as a tubular body which, as part of the valve body, passes through it wholly or partially and thus the valve body in selected areas, ie. H. also reinforced in the resilient area.
- the contact surface of the hard material connects very intimately with the available contact surface of the soft material, so that an indissoluble bond between the bodies is created.
- the outer, soft part of the valve body in cooperation with the inner, hard part results in an excellent sealing effect after the discharge process and during storage. Additional O-rings and the like, as in the case of previously known valve arrangements, can be omitted.
- one and the same soft body is also used for other sealing areas, if necessary in its upper end area by providing valve stem sealing lips as a connection for the outlet lines to which the discharge device, for example in the form of a spray gun or the like, is connected can be and as a seal between the valve plate and Ventilgro ⁇ er.
- the inner, hard part of the valve body is provided in its central region with an annular collar which projects outwards and projects radially beyond the tubular section of the hard part.
- the sealing body is advantageously fastened to the lower open end of the inner, hard part, it being possible, for example, for a holding element which engages in the lower open end of the inner, hard part in the form of a bayonet lock or snap hook to be arranged on the upper side of the sealing body.
- a holding element which engages in the lower open end of the inner, hard part in the form of a bayonet lock or snap hook
- the outwardly extending annular collar continues in the manner of a convex dome made of the relatively hard material, which is covered on the outside by a dome of the soft part.
- the soft material is supported by the relatively hard material, so that there are high spring forces which ensure an excellent seal.
- the lower area of the dome continues in the manner of a cylinder wall, which is surrounded by an area of higher material thickness of the soft part, in which the valve disk is injected.
- the valve disk can have different designs. He can e.g. B. can also be drawn in the form of a pot and additionally provided with an injection molded part attached therein. The threaded injection molded part is fastened in the injection mold before inserting the valve plate and permanently secured against twisting by embossing, beads or the like in the valve plate.
- an extension can be Carrier gun adapters are placed directly on the valve plate.
- the projection can be a circumferential or at least partially circumferential flanging of the edge and form an element of a bayonet connection which can be secured by rotation between the valve head and the dispensing gun adapter. It is just as possible to provide the dispensing gun adapter with latching hooks which are resilient to the outside and which spring overlap the projection or the flanging in order to produce a snap-latching connection. Alternatively, it is also possible to design the projection as an external thread and to provide an internal thread in the dispensing gun adapter that fits the external thread
- valve plate is drawn like a pot into the area of the sealing body and is provided in the area of the sealing body with inward-pointing retaining projections.
- a spring body can be hung, which acts on the sealing body in the closing direction.
- the spring body should advantageously be designed as a pot-shaped metal body.
- a punch is provided, which protrudes against the Dichtko ⁇ er and acts on it resiliently
- claims 29 and 30 ensure a defined introduction of force into the sealing body and an elastic force transmission to the outer edge of the sealing body
- 1 shows a first exemplary embodiment of a valve arrangement placed on a foam can
- 2 shows a modified valve arrangement in which the compressible, flexible region of the valve body is designed in a dome-like manner and the valve stem protruding from the container is provided with soft, spaced-apart sealing lips;
- valve 3 shows a modified valve arrangement in which the compressible, flexible region of the valve body is designed such that the space filled with material to be discharged between the valve body and the sealing body is small-volume;
- valve plate 4 shows a modified valve arrangement in which the valve plate is drawn deeper in the form of a pot and is additionally provided with a threaded injection part for screwing in outlet elements;
- FIG. 5 shows a valve arrangement with a modified valve stem.
- FIG. 6 shows a valve arrangement with a further modified valve stem
- FIG. 7 shows a valve arrangement with a screwed-on discharge handle
- FIG. 8 shows a valve arrangement with an attached discharge gun adapter (bayonet connection);
- FIG. 9 shows a valve arrangement with an attached discharge gun adapter with modified connecting elements (threaded connection);
- FIG. 1 shows how a valve arrangement is mounted in a valve plate 13 of a foam can.
- the valve arrangement is seated in the valve plate 13, which is drawn in like a pot and holds the valve arrangement in its inner region.
- valve body 1 has a flexible, dome-like area 5 with a subsequent connection and sealing area 6, which is connected radially on the outside to that with the inner wall 16 of the container Spray can connected valve plate 13 is connected and the opening to the container interior passes into a wall section with a pian sealing surface 7.
- This soft sealing surface 7 interacts with a separate, hard sealing body 9, which is held in the interior of the dome-like area 5 by a bayonet lock 12.
- valve assembly When actuating the valve assembly, i. H. When the flexible, dome-like area 5 is pressed, the liquid or the foam passes through a valve opening 8 which is then released.
- the further exit path leads via a space 11 formed between the valve body and the sealing body and from there through an inner hard part 2 of the valve body 1 to the outlet line or a spray gun.
- valve stem 4 In the upper area of the valve body 1, the inner hard part 2 with the outer soft part 3 form a valve stem 4 with soft sealing lips for connecting an outlet line or a spray gun.
- valve plate 13 is connected to the inner wall 16 of the container via a latch.
- FIG. 3 is characterized in particular by the compressible, flexible region 5, which here forms a small-volume space 11.
- the exit path of the liquid or the foam becomes shorter and more advantageous as a result, the material to be discharged cannot settle so easily compared to the formation with a dome-like area.
- the embodiment according to FIG. 3 has an outwardly projecting ring collar 10 on the inner hard part of the valve body 2.
- the ring collar 10 improves the intimate connection between the inner hard part 2 and the outer soft part Part 3 of the valve body.
- valve plate 13 with an injection molded part with an internal thread 14 attached therein.
- the outlet elements or the spray gun can be screwed into it. 3, the valve stem 4 with soft sealing lips does not protrude from the container.
- drawing fig. 5 shows an embodiment with an external thread 15 on the inner hard part 2 of the valve body 1. This can be done e.g. B. a pistol-like adapter can be screwed on, which is also shown in FIG. 7, for example.
- valve disk 13 is formed on its radially outer, U-shaped bent edge 20 with at least one radially outwardly projecting projection 18 for attaching a discharge gun adapter 19.
- the projection 18 can be designed as a circumferential flange 17 of the edge 20 of the valve plate and form an element of a bayonet connection 22 which can be secured by rotation between the valve plate 13 and discharge gun adapter 19.
- the discharge gun adapter 19 is provided with latching hooks which spring overlap the at least one projection 18 or the flange 17 for establishing the connection.
- FIGS. 5 and 6 Another difference between the exemplary embodiments in FIGS. 5 and 6 is that below the external thread 15 of the valve stem 4 the upper region of the outer soft part 3 is provided with sealing lips.
- the elements arranged on the valve stem 4 fulfill a double function, namely a screw fastening of a part fastened thereon by the external thread 15 and a seal by the sealing lips, which is important, for example, in the case of a dispensing gun adapter 19 attached.
- valve plate 13 is modified in its lower region in such a way that it is drawn into the area of the sealing body 9 in a pot-like manner and is provided in the region of the sealing body 9 with inward-pointing heel projections 25 into which a spring body 30 acting on the sealing body 9 in the closing direction can be hung is.
- the spring body 30 is a pot-shaped metal body, in its bottom region 32 there is a spring punch 23 directed against the sealing body 9.
- the spring body 30 is provided with radially outer latching hooks 29 which have an inclined sliding surface 33 for pressing into the retaining projections 25 of the valve plate 13.
- the spring body 30 acts on the center of the sealing body 9 in the closing direction, for this purpose the sealing body 9 has on its underside 27 a central projection 24 which interacts with the spring body 30.
- the central projection 24 is surrounded by an approximately annular circumferential recess 26 pointing towards the spring body 30.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4443287A DE4443287C2 (en) | 1994-12-06 | 1994-12-06 | Valve assembly for a container for dispensing pressurized liquid or foam |
DE4443287 | 1994-12-06 | ||
PCT/DE1995/001460 WO1996017795A1 (en) | 1994-12-06 | 1995-10-20 | Valve arrangement for a pressurised liquid or foam dispenser |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0794910A1 true EP0794910A1 (en) | 1997-09-17 |
EP0794910B1 EP0794910B1 (en) | 2000-01-19 |
Family
ID=6534982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95935344A Expired - Lifetime EP0794910B1 (en) | 1994-12-06 | 1995-10-20 | Valve arrangement for a pressurised liquid or foam dispenser |
Country Status (5)
Country | Link |
---|---|
US (1) | US5927563A (en) |
EP (1) | EP0794910B1 (en) |
AT (1) | ATE188940T1 (en) |
DE (2) | DE4443287C2 (en) |
WO (1) | WO1996017795A1 (en) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29609979U1 (en) * | 1996-06-05 | 1997-10-02 | Walu-Labortechnik GmbH, 97877 Wertheim | Valve, especially for liquid control in dosing devices |
AU2012244363B2 (en) * | 1997-02-24 | 2016-11-10 | Mundipharma Pty Limited | Method of providing sustained analgesia with buprenorphine |
GB9918626D0 (en) | 1999-08-07 | 1999-10-13 | Glaxo Group Ltd | Valve |
US6325248B1 (en) | 2000-07-05 | 2001-12-04 | Robert E. Corba | Container assembly |
US6299024B1 (en) | 2000-07-05 | 2001-10-09 | Robert E. Corba | Valve assembly for dispensing container |
DE50006163D1 (en) * | 2000-09-15 | 2004-05-27 | Rouven Morck | Pressure can with inner sleeve |
US6796478B2 (en) * | 2000-10-12 | 2004-09-28 | Illinois Tool Works Inc. | Fuel cell adapter system for combustion tools |
DE20116336U1 (en) | 2001-10-05 | 2001-12-06 | Aerosol-Technik LINDAL GmbH, 23843 Bad Oldesloe | Valve arrangement for a pressurized fluid container |
ATE449015T1 (en) * | 2002-01-24 | 2009-12-15 | Rathor Ag | VALVE |
US8210400B2 (en) * | 2002-10-31 | 2012-07-03 | Christian T. Scheindel | Valve for use in a container which employs pressure to dispense product |
US20060138178A1 (en) * | 2002-10-31 | 2006-06-29 | Scheindel Christian T | Axially actuated valve for dispensing pressurized product |
PL1606195T3 (en) * | 2003-03-20 | 2007-08-31 | Schrijver Aster De | Improvement of the hydrophobic properties of tilting valve grommets |
US6938810B2 (en) | 2003-04-15 | 2005-09-06 | Illinois Tool Works Inc. | Fuel cell adapter system for combustion tools |
GB0315801D0 (en) * | 2003-07-07 | 2003-08-13 | 3M Innovative Properties Co | Multi-component valve stems |
US7392922B2 (en) * | 2004-04-19 | 2008-07-01 | Illinois Tool Works Inc. | In-can fuel cell metering valve |
US7571841B2 (en) * | 2004-04-19 | 2009-08-11 | Illinois Tool Works, Inc. | Interchangeable adapter for in-can and on-can fuel cells |
US8074965B2 (en) * | 2004-10-19 | 2011-12-13 | Eric Carrato | Device for connecting a gas-operated appliance and a gas cartridge |
EE05028B1 (en) * | 2006-03-31 | 2008-06-16 | O� Krimelte | Attachment of the appliance |
US7530476B2 (en) * | 2006-04-10 | 2009-05-12 | Precision Valve Corporation | Locking aerosol dispenser |
CN101730652B (en) * | 2007-07-05 | 2012-05-23 | 艾尔塔彻姆控股公司 | Aerosol valve |
US20090078902A1 (en) * | 2007-09-26 | 2009-03-26 | Precision Valve Canada Ltd. | Aerosol valve |
US8070017B2 (en) * | 2008-04-28 | 2011-12-06 | Green Ronald D | Unified mounting cup and valve stem assembly |
EP2287088A1 (en) * | 2009-08-19 | 2011-02-23 | Altachem Holdings NV | Valve with safety protrusion |
EP2481688A1 (en) | 2011-01-27 | 2012-08-01 | Altachem Holdings NV | Dispensing aerosol valve for pressurized container |
EP2487120A1 (en) | 2011-02-10 | 2012-08-15 | Altachem N.V. | Dispensing aerosol valve for pressurized container, dispensing adapter therefor, and assembly of a pressurized container with an adapter |
BR112015004185B1 (en) | 2012-09-14 | 2020-09-15 | The Procter & Gamble Company | ANTIPERSPIRANT COMPOSITIONS IN AEROSOL AND PRODUCTS |
KR101429615B1 (en) * | 2013-03-21 | 2014-08-13 | 주식회사 함일셀레나 | Dispensing adapter for one component polyurethane foam |
DE102013014788A1 (en) * | 2013-09-09 | 2015-03-12 | Gábor Fazekas | Solid valve |
US9662285B2 (en) | 2014-03-13 | 2017-05-30 | The Procter & Gamble Company | Aerosol antiperspirant compositions, products and methods |
US9579265B2 (en) | 2014-03-13 | 2017-02-28 | The Procter & Gamble Company | Aerosol antiperspirant compositions, products and methods |
US20160101925A1 (en) * | 2014-10-10 | 2016-04-14 | Walter Franz | Spray can |
DE102015200072A1 (en) | 2015-01-07 | 2016-07-07 | Continental Teves Ag & Co. Ohg | Valve seat carrier |
US10174884B2 (en) * | 2015-06-25 | 2019-01-08 | The Gillette Company Llc | Valve stem for a compressible valve |
US9758295B2 (en) * | 2015-06-25 | 2017-09-12 | The Gillette Company | Compressible valve for a pressurized container |
US10166666B2 (en) * | 2015-11-25 | 2019-01-01 | Illinois Tool Works Inc. | Adapter for combustion tool fuel cells |
WO2018038686A1 (en) | 2016-08-23 | 2018-03-01 | Karaman Nurettin | Foam dispenser |
DE102017118704A1 (en) * | 2017-08-16 | 2019-02-21 | Gábor Fazekas | Solid valves for pressure cans |
BE1025177B1 (en) * | 2017-09-21 | 2018-11-29 | Altachem Nv | VALVE FOR A HOLDER |
US20190276221A1 (en) * | 2018-03-06 | 2019-09-12 | The Procter & Gamble Company | Multi-piece valve stem for aerosols |
BR112022000057A2 (en) * | 2019-07-09 | 2022-02-22 | Protechna Sa | Emptying armature for liquid containers |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3758007A (en) * | 1971-03-19 | 1973-09-11 | Super Whip Valve Mfg Co | Dispenser valve structure |
US3722760A (en) * | 1971-12-23 | 1973-03-27 | Clayton Corp | Dispensing valve having positive tilt stem |
US4008834A (en) * | 1973-12-19 | 1977-02-22 | Towns Edward J | Tip seal for a dispensing valve |
US4165825A (en) * | 1977-08-15 | 1979-08-28 | Southern Can Company | Tiltable valve member for pressurized containers |
DE3322811C2 (en) * | 1983-06-24 | 1996-12-12 | Miczka Silvia | Containers, in particular pressure cans for dispensing single or multi-component substances |
US4824075A (en) * | 1984-02-14 | 1989-04-25 | Walter Holzboog | Tilt action dispensing valve assembly |
NO171288C (en) * | 1985-01-14 | 1993-02-17 | Wavin Bv | PROCEDURE AND FORM FOR MANUFACTURING A PACKAGING ELEMENT |
US4805813A (en) * | 1985-07-15 | 1989-02-21 | Epic Corporation | Aerosol tilt valve mounting cup and assembly |
-
1994
- 1994-12-06 DE DE4443287A patent/DE4443287C2/en not_active Expired - Fee Related
-
1995
- 1995-10-20 US US08/849,493 patent/US5927563A/en not_active Expired - Fee Related
- 1995-10-20 WO PCT/DE1995/001460 patent/WO1996017795A1/en active IP Right Grant
- 1995-10-20 DE DE59507658T patent/DE59507658D1/en not_active Expired - Fee Related
- 1995-10-20 AT AT95935344T patent/ATE188940T1/en not_active IP Right Cessation
- 1995-10-20 EP EP95935344A patent/EP0794910B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9617795A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE188940T1 (en) | 2000-02-15 |
DE4443287A1 (en) | 1996-06-13 |
DE4443287C2 (en) | 2001-08-09 |
DE59507658D1 (en) | 2000-02-24 |
WO1996017795A1 (en) | 1996-06-13 |
US5927563A (en) | 1999-07-27 |
EP0794910B1 (en) | 2000-01-19 |
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