EP2354037A1 - Tige de vanne comprenant une couche d'étanchéité - Google Patents

Tige de vanne comprenant une couche d'étanchéité Download PDF

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Publication number
EP2354037A1
EP2354037A1 EP10152425A EP10152425A EP2354037A1 EP 2354037 A1 EP2354037 A1 EP 2354037A1 EP 10152425 A EP10152425 A EP 10152425A EP 10152425 A EP10152425 A EP 10152425A EP 2354037 A1 EP2354037 A1 EP 2354037A1
Authority
EP
European Patent Office
Prior art keywords
stem
valve
base
additional layer
grommet
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
Application number
EP10152425A
Other languages
German (de)
English (en)
Other versions
EP2354037B1 (fr
Inventor
Koen Claerbout
Jordi Demey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Altachem NV
Original Assignee
Altachem NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42246332&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2354037(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Altachem NV filed Critical Altachem NV
Priority to EP10152425.4A priority Critical patent/EP2354037B1/fr
Priority to PL10152425T priority patent/PL2354037T3/pl
Priority to PCT/EP2011/051439 priority patent/WO2011095499A1/fr
Publication of EP2354037A1 publication Critical patent/EP2354037A1/fr
Application granted granted Critical
Publication of EP2354037B1 publication Critical patent/EP2354037B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D83/46—Tilt valves
    • 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
    • B65D83/16—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 characterised by the actuating means
    • B65D83/20—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 characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/201—Lever-operated actuators
    • 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
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of spray, e.g. funnels, hoods
    • B65D83/303—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of spray, e.g. funnels, hoods using extension tubes located in or at the outlet duct of the nozzle assembly
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits

Definitions

  • the present invention relates to a new valve stem for a pressurized fluid container, more particularly for one and two component polyurethane foam applications.
  • Sprayable foams are used for several industrial applications as well as by hobbyists.
  • One well known example of sprayable foam is polyurethane foam.
  • Polyurethanes are used in high resiliency flexible foam seating, rigid foam insulation panels, microcellular foam seals and gaskets, durable elastomeric wheels and tires, electrical potting compounds, high performance adhesives and sealants, Spandex fibres, seals, gaskets, carpet underlay, hard plastic parts, etcetera.
  • the upstanding valve stem is tilted or may be vertically depressed, thus having a portion of the stem base upper surface separate from sealing the bottom surface of the grommet.
  • the polyurethane product is then forced by propellant pressure in the aerosol can to flow between the separated surfaces through the valve stem side lateral openings and up through the stem central bore to exit the aerosol valve to the area where the polyurethane foam is being applied.
  • Aerosol valves have been widely adopted, but many are known to have a problem of occasional valve sticking when used to dispense polyurethane aerosol foam.
  • Polyurethane foam after it is dispensed from the can and valve will of course desirably cure and harden.
  • small amounts of product which rests between the grommet and the stem base is also subject to curing and hardening and results in sticking of the stem base to the grommet and hence in failure of the valve operation.
  • moisture is present in the can, this curing will begin to occur in the can itself and can result in a stuck aerosol valve such as to render the purchased product useless to the consumer.
  • a source of moisture occurring in the aerosol can of the polyurethane product is believed to be environmental moisture in the air outside the can.
  • This moisture can permeate the grommet seal due to the portion of the grommet extending into the environment outside the can and mounting cup. Since a portion of the grommet seal also extends inside the can under the mounting cup, the permeated moisture can egress from the grommet inside the can to come in contact with the active ingredient of the polyurethane product inside the can. Thus, curing and hardening may begin inside the can resulting in the stuck aerosol valve and the failed product.
  • the invention is intended to provide a solution to the above problem of environmental moisture permeating the grommet seal and entering the can of polyurethane product.
  • the invention discloses an aerosol valve for dispensing polyurethane foam including a plastic liner shield to prevent environmental moisture permeating through the sealing grommet into the aerosol can to harden product and disable the valve.
  • the liner has an annular upper portion in the mounting cup channel for sealing to the can bead, an intermediate portion surrounding the grommet in the can, and a lower annular flange extending between the valve stem base and lower grommet surface.
  • W02009/042206 prevents moisture to enter the container, the problem of small amounts of product resting between the grommet and the stem base and subject to curing and hardening still results in sticking of the stem base to the grommet and hence in failure of the valve operation.
  • Another drawback is that it is difficult to produce the valve in a simple and cost efficient manner when the liner needs to be incorporated in the valve member.
  • an improved valve member is presented, whereby said valve member is made of a glass filled polyolefin.
  • the polyolefin is preferably a polyethylene.
  • the valve stem is made of PEGF.
  • glass-filled polyethylene valve stems show superior resistance to sticking over valve stems of other material, the production of a valve stem which additionally comprises glass fiber over the traditional stem material requires an additional amount of energy and is thus not ecological and more expensive.
  • Another drawback of a stem which is reinforced with glass fiber is that the production is not healthy, as glass fiber is harmful by inhalation or ingestion, and also via skin contact. Health effects from exposure to glass fibers can be different depending on the fiber size and type of exposure. Glass fibers have been found to cause skin, eye and upper respiratory tract irritation.
  • It is yet another objective to provide a valve comprising a valve stem which maximizes closure between the valve stem and the grommet in order to minimize the water diffusion that is causing stickiness and blockage of the valve.
  • the present invention is directed to a stem for a valve for dispensing pressurized fluids.
  • the valve stem comprises a hollow stem body having a first open end, and a second end closed by a stem base forming a flange, characterized in that at least the face of the flange adjacent said stem base comprises an additional layer.
  • the present invention is also directed to a valve comprising said stem and towards a container for dispensing a pressurized fluid comprising a valve with said valve stem.
  • the present invention is further directed to a method for producing said stem for valve by means of dual injection molding.
  • the present invention is directed to a valve stem comprising a hollow stem body having a first open end, and a second end closed by a stem base forming a flange, characterized in that at least the face of the flange adjacent said stem base comprises an additional layer.
  • the problem arises in pressurized dispensing containers where the product dispensed, such as PU foam, gets between the grommet and the valve stem, particularly the stem base.
  • the product dries or cures and creates a seal or adhesion between the outside of the valve stem and the grommet. When that occurs, it becomes difficult to displace the stem relative to the cup.
  • Such displacement of the stem is needed to allow the product inside the container to enter the orifices of the stem and thus for product dispensing.
  • the foam can harden against the stem base, which also causes failure of the valve function.
  • the stem base material is subject to swelling when it comes into contact with the product, causing loss of dimensional stability, gas loss and thus a decreased product shelf life.
  • the valve stem base can be protected with an additional layer.
  • the additional layer covers at least the face of the flange adjacent the stem base, which is in close contact with the grommet, whereby sticking of the product between the grommet and stem base is avoided.
  • the additional layer thus prevents sticking of the stem base when the PU foam cures or hardens between the stem base and the grommet which makes activation of the valve impossible.
  • the additional layer offers more resistance to stickiness than all other stems lacking an additional layer.
  • the additional layer further provides dimensional stability as the stem base is less prone to swelling. Dimensional stability and good closure between the stem base and the grommet reduces gas loss and thus increases the shelf life of the container containing the product to be dispensed.
  • the stem base comprises an additional layer on the face of the flange adjacent the stem base. More preferably, the stem base further comprises an additional layer at the face of the stem base opposite the stem body to further prevent curing of the product against the stem base. In another preferred embodiment of the present invention, the stem base comprises an additional layer covering the whole surface of the stem base external of the stem body, so that all contact of the stem base with the product is avoided. In this way, it is not possible that the foam cures out between the face of the flange of the stem base and the grommet and around the stem base, whereby activating the stem is made impossible.
  • the additional layer is preferably made of any of polyethylene (PE).
  • PE polyethylene
  • the stem base is preferably made of thermoplastic materials such as polyoxymethylene (POM), polybutylene terephthalate (PBT) or polyolefin material, such as polyethylene (PE) or polypropylene (PP).
  • POM polyoxymethylene
  • PBT polybutylene terephthalate
  • PP polypropylene
  • the present invention is also directed to a valve comprising said stem and towards a container for dispensing a pressurized fluid comprising a valve with said valve stem.
  • the present invention is further directed to a method for producing said stem for valve by means of dual injection molding.
  • valve stem and the additional layer can be integrally molded, preferably dual injection molded.
  • the additional layer therefore eliminates the problem of valve sticking in a simple manner.
  • the stem base protects the valve longer times to initial sticking and thus longer times to valve failure.
  • a stem (5) for a valve (3) comprising a hollow stem body (6) having a first open end, and a second end closed by a stem base (7) forming a flange, characterized in that at least the face of the flange adjacent said stem base (7) comprises an additional layer (8).
  • the valve (3) is designed to be clinched in the opening of the container dome (2) for controlled dispensing of a fluid from said container (1).
  • the valve (3) comprises a grommet (4) defining a channel with an inlet end and an outlet end, whereby the stem (5) is slideably arranged in the channel.
  • the valve (3) can be a tilting and/or a gun valve.
  • the stem (5) comprises a disk-shaped base (7) and an elongated conical protrusion extending therefrom, referred to as the hollow stem body (6).
  • the conical shape of the stem body (6) enhances the strength of the stem (5).
  • Said stem body (6) defines a dispensing channel (13) with an first open end, the outlet end (11) at the distal end of the body (6) and a second end, the inlet (12) closed by the flange of the stem base (7).
  • the inlet (12) is defined by at least one hole or orifice (12') in the elongated conical protrusion adjacent the disk-shaped base (7).
  • the stem (5) comprises a disk-shaped additional layer (8), preferably provided at the face of the flange adjacent the stem base (7).
  • the additional layer (8) preferably comprises protrusions in the stem base (7), as illustrated in detail in figure 2 , to increase the sealing surface between the stem base (7) and the additional layer (8).
  • the stem (6) further comprises a circular sealing lip (10) located near the distal end and preferably at least one tread (9) providing a way of sealing in case an adaptor or foam applicator (15) is mounted on the valve (3), as illustrated in figure 6 .
  • the stem (5) is inserted into the channel of the grommet (4) whereby the grommet (4) is clamped between circular sealing lip (10) at the outlet end (11) and the disk-shaped base (7) at the inlet end (12) with orifices (12') of the channel.
  • the stem (5) is hereby in sealing contact with the inner walls of the channel, which sealing is ascertained by, on the one hand the additional layer (8) abutting the shoulder portion of the grommet (4), and on the other hand the annular extending protrusion (14) abutting the hollow stem body (6) of the stem (5). It is noticed that when assembled, the orifices (12') defining the inlet (12) of the dispensing channel (13) are arranged opposite the grommet (4).
  • the additional layer (8) provides a mechanism for preventing the valve stem in a pressurized dispensing container from sticking.
  • the product dispensed such as PU foam
  • the product dispensed is avoided to stick between the grommet and the valve stem, particularly the stem base.
  • the product dries or cures, it is prevented from creating a seal or adhesion between the outside of the valve stem and the grommet.
  • the additional layer (8) prevents the foam from hardening against the stem base (7) when moisture enters the container (1) through the grommet (4), which also causes failure of the valve function.
  • the additional layer (8) is molded, preferably dual injection molded, on face of the flange adjacent the stem base (7). This is an inexpensive and efficient production method. Further, by covering the flange of the stem base (7), curing of the foam between the stem base (7) and the grommet (4), which makes the activation of the valve impossible, is avoided.
  • the present invention is therefore directed to a method for producing a stem (5) for a valve (3)-comprising the steps of producing an elongated, hollow stem body (6) closed at one end by a stem base (7) forming a flange; and applying an additional layer (8) at least to the surface of the flange of the stem base (7) adjacent the stem body (6), characterized in that said steps (a) and (b) is performed by the technique of dual injection molding.
  • the stem base material is subject to swelling when it comes into contact with the product, causing loss of dimensional stability, gas loss and thus a decreased product shelf life.
  • the additional layer (8) avoids curing of the foam, the stem base (7) is less prone to swelling.
  • the additional layer (8) further provides dimensional stability between the grommet (4) and the stem base (7). Dimensional stability and good closure between the stem base (7) and the grommet (4) reduces gas loss and thus increases the shelf life of the container (1 ) containing the product to be dispensed.
  • Use of polyethylene (PE) as layer material offers more resistance to stickiness than all other materials commonly used for stems.
  • the additional layer (8) is thus an additional sealing between the grommet (4) and the stem base (7).
  • the stem body (6) and/or stem base (7) are made of a hydrophobic thermoplastic material, such as polyoxymethylene (POM), polybutylene terephthalate (PBT) or polyolefin material, such as polyethylene (PE) or polypropylene (PP). These materials could additionally be strengthened by reinforcing additives. Natural fibers, such as wood fibers, can be used. Also synthetics fibers, such as cellulose, polymer or mineral fibers, such as glass fiber, can be used.
  • the PE additional layer (8) assures good adhesion quality with the stem body material, preferably PP, so no moisture ingress is possible and thus the product can not stick between the different materials. Further, the additional layer (8) preferably comprises protrusions in the stem base (7), as illustrated in detail in figure 2 and 6 , to increase the sealing surface, and thus the adhesion, between the stem base (7) and the additional layer (8).
  • valve (3) is meant to be incorporated in the opening of a container (2) whereby the inner wall portion of cup's (20) opening is fixedly clamped between the ring form and the annular extending protrusion (14) of the grommet (4), thereby providing a sealing function. It is further noticed that part of the grommet (4) preferably has an outer diameter larger than the inner diameter of the cup's opening, in order to help preventing the valve (3) from accidentally detaching from the cup (20).
  • an additional layer (88) can be provided at the face of the stem base (7) opposite the stem body (6).
  • the disk-shaped additional layer (888) covers the whole surface of the stem base (7) external of the stem body (6). Further, by covering the whole surface of the stem base (7), all contact between product and stem base is avoided. The additional layer thus prevents sticking of the stem base when the PU foam cures or hardens between the stem base and the grommet and also around the stem base, which could make the activation of the valve impossible.
  • the additional layer (8) enhances the stem strength without the need for additional reinforcement by glass fiber. Further, incorporation of glass fiber is an ecological demanding step, which does not only require an additional amount of energy, but also an additional cost. Further, the production of valves with materials incorporating glass fiber is not advised for the health.
  • the stem (5) can be slided between an open and closed position of the valve (3).
  • the valve (3) In rest, the valve (3) is closed due to the resilience of the elongated hollow conical stem body (6), pressing the additional layer (8) molded on or around the disk-shaped part (7) of the stem (5) against the shoulder portion of the grommet (4).
  • the stem (5) To open the valve (1), the stem (5) is pushed in a direction towards the container (1) whereby the inlet (12) of the dispensing channel (13) is in fluid communication with the container's inner space. Once the pressure on the stem (5) is released, it will be forced in a closed position again due to the snappy-ness of the grommet (4) and by the internal pressure of the container (1).
  • a foam applicator (15) for manual tilting is illustrated in figure 8 .
  • the foam applicator (15) comprises a conical adaptor valve base (17) with fitting onto the stem (5) by means of treads (9) on the stem body (6).
  • the foam applicator (15) comprises a tilting concept having a body (18) and a lever (19) around the dispensing channel (13) of the stem (5).
  • the foam applicator (15) further comprises a dispensing tube (16).

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)
EP10152425.4A 2010-02-02 2010-02-02 Tige de vanne comprenant une couche d'étanchéité Not-in-force EP2354037B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10152425.4A EP2354037B1 (fr) 2010-02-02 2010-02-02 Tige de vanne comprenant une couche d'étanchéité
PL10152425T PL2354037T3 (pl) 2010-02-02 2010-02-02 Trzpień zaworu zawierający warstwę uszczelniającą
PCT/EP2011/051439 WO2011095499A1 (fr) 2010-02-02 2011-02-02 Tige de soupape comprenant une couche d'étanchéité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10152425.4A EP2354037B1 (fr) 2010-02-02 2010-02-02 Tige de vanne comprenant une couche d'étanchéité

Publications (2)

Publication Number Publication Date
EP2354037A1 true EP2354037A1 (fr) 2011-08-10
EP2354037B1 EP2354037B1 (fr) 2013-04-10

Family

ID=42246332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10152425.4A Not-in-force EP2354037B1 (fr) 2010-02-02 2010-02-02 Tige de vanne comprenant une couche d'étanchéité

Country Status (3)

Country Link
EP (1) EP2354037B1 (fr)
PL (1) PL2354037T3 (fr)
WO (1) WO2011095499A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2818502A1 (fr) 2013-06-28 2014-12-31 Altachem N.V. Élément de soupape
WO2015148499A1 (fr) * 2014-03-25 2015-10-01 Oakwood Healthcare, Inc. Nucléation régulée à partir de liquide sursaturé en gaz
EP3050821A1 (fr) 2015-02-02 2016-08-03 Altachem N.V. Ensemble de montage pour le montage d'un adaptateur sur une tige de soupape
BE1027882B1 (nl) * 2020-05-15 2021-07-12 Altachem Steel van een ventiel

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1789343B2 (fr) 2004-09-16 2020-07-15 Clayton Corporation Valve de distributeur d'aerosol amelioree
CN106660690A (zh) 2014-07-14 2017-05-10 克莱顿公司 用于加压容器的阀安装杯
EP2987749A1 (fr) 2014-08-20 2016-02-24 Altachem N.V. Soupape

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124257U (ja) * 1982-02-17 1983-08-24 東洋エアゾ−ル工業株式会社 エアゾ−ルバルブ
WO2005102867A1 (fr) * 2004-04-23 2005-11-03 Aster De Schrijver Soupapes presentant un joint annulaire plat de hauteur reduite
WO2006032061A2 (fr) 2004-09-16 2006-03-23 Clayton Corporation Valve de distributeur d'aerosol amelioree
WO2009042206A1 (fr) 2007-09-26 2009-04-02 Precision Valve Corporation Soupape d'aérosol

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124257U (ja) * 1982-02-17 1983-08-24 東洋エアゾ−ル工業株式会社 エアゾ−ルバルブ
WO2005102867A1 (fr) * 2004-04-23 2005-11-03 Aster De Schrijver Soupapes presentant un joint annulaire plat de hauteur reduite
WO2006032061A2 (fr) 2004-09-16 2006-03-23 Clayton Corporation Valve de distributeur d'aerosol amelioree
WO2009042206A1 (fr) 2007-09-26 2009-04-02 Precision Valve Corporation Soupape d'aérosol

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2818502A1 (fr) 2013-06-28 2014-12-31 Altachem N.V. Élément de soupape
US9908994B2 (en) 2013-06-28 2018-03-06 Altachem Nv Valve member
WO2015148499A1 (fr) * 2014-03-25 2015-10-01 Oakwood Healthcare, Inc. Nucléation régulée à partir de liquide sursaturé en gaz
US9724460B2 (en) 2014-03-25 2017-08-08 Oakwood Healthcare, Inc. Controlled nucleation from gas-supersaturated liquid
US10898637B2 (en) 2014-03-25 2021-01-26 Oakwood Healthcare, Inc. Controlled nucleation from gas-supersaturated liquid
EP3050821A1 (fr) 2015-02-02 2016-08-03 Altachem N.V. Ensemble de montage pour le montage d'un adaptateur sur une tige de soupape
US10125886B2 (en) 2015-02-02 2018-11-13 Altachem Nv Mounting assembly for mounting an adapter to a valve stem
BE1027882B1 (nl) * 2020-05-15 2021-07-12 Altachem Steel van een ventiel
WO2021228789A1 (fr) * 2020-05-15 2021-11-18 Altachem N.V. Tige d'une soupape
CN115427321A (zh) * 2020-05-15 2022-12-02 阿尔塔谢姆股份有限公司 阀门的杆
US12006130B2 (en) 2020-05-15 2024-06-11 Altachem Nv Stem of a valve

Also Published As

Publication number Publication date
PL2354037T3 (pl) 2013-11-29
WO2011095499A9 (fr) 2011-10-06
WO2011095499A1 (fr) 2011-08-11
EP2354037B1 (fr) 2013-04-10

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