EP2467315A1 - Valve with safety protrusion - Google Patents
Valve with safety protrusionInfo
- Publication number
- EP2467315A1 EP2467315A1 EP10745593A EP10745593A EP2467315A1 EP 2467315 A1 EP2467315 A1 EP 2467315A1 EP 10745593 A EP10745593 A EP 10745593A EP 10745593 A EP10745593 A EP 10745593A EP 2467315 A1 EP2467315 A1 EP 2467315A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- grommet
- container
- stem
- protrusion
- 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
- 238000007789 sealing Methods 0.000 claims description 19
- 239000012815 thermoplastic material Substances 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 13
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000006260 foam Substances 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 239000012758 reinforcing additive Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RLRINNKRRPQIGW-UHFFFAOYSA-N 1-ethenyl-2-[4-(2-ethenylphenyl)butyl]benzene Chemical compound C=CC1=CC=CC=C1CCCCC1=CC=CC=C1C=C RLRINNKRRPQIGW-UHFFFAOYSA-N 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- 229920006347 Elastollan Polymers 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002633 Kraton (polymer) Polymers 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000013466 adhesive and sealant Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920003031 santoprene Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
- B65D83/756—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 comprising connectors, e.g. for tyre valves, or actuators connected to the aerosol container by a flexible tube
-
- 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
-
- 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
- B65D83/202—Lever-operated actuators combined with a hand grip
-
- 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
Definitions
- the present invention relates to a new aerosol valve for a pressurized fluid container, more particularly for one component polyurethane foam applications.
- a well-known application is sprayable foams used in both industrial applications and by hobbyists. As such, containers with sprayable foam can be exposed to rather extreme conditions in terms of temperature and pressure.
- the new valve of the present invention overcomes the above mentioned drawbacks. In order to prevent the valve from detaching from the container due to overpressure, it is possible to increase the adhesion between the different grommet parts.
- the valve according to the present invention is a valve for a container, the valve comprising a cup, a grommet defining a channel with an inlet end and an outlet end and a stem slideably arranged in the channel, whereby the grommet comprises at least two parts sealingly engaged, said first part having protrusion within said second part.
- the valve is safe and sufficiently resilient while equally being moisture resistant thereby avoiding stickiness and blockage of the valve.
- the invention describes a valve comprising a plastic cup attached to the opening edge of a pressurized can, comprising a coupling device for a can adaptor of a dispensing unit.
- the plastic cup further comprises a plastically deformable, particularly a clinchable, cylindrical pot wall.
- the coupling device for the can adaptor is formed as an integral connection part. It made of plastics material and is attached via thin connecting webs to the outer edge of the pot wall of the valve head. A safety lip is provided to assist in withstanding pressure.
- the coupling device of the invention comprises a safety lip to assist in withstanding pressure
- the inside of the valve is not protected against rising pressure. If the pressure inside the can rises due to extreme conditions in terms of temperature and pressure, the grommet comprising different elements can loosen and the valve can detach from the container.
- thermoplastic materials exhibit other inconveniences such as "creep", which is a well known property of thermoplastic (TP) rubbers. This creep allows for the materials to deform and causes the grommet to detach from the cup when the container is put under extreme pressure.
- the present invention provides a valve for a container dispensing a pressurized fluid and an assembly applied for dispensing of pressurized fluids with safety properties, high adhesion properties and sufficient resilience while avoiding the use of an embedding or molding step and avoiding the necessity of using of a spring.
- valve for a container dispensing pressurized fluids which valve is moisture repellent and therefore will inhibit the water diffusion and/or absorption that is causing stickiness and blockage of the valve.
- the present invention is directed to a valve for a container, said valve comprising a grommet having a plug system and defining a channel with an inlet end and an outlet end and a stem slideably arranged in the channel, whereby the grommet comprises at least two parts sealingly engaged, said first part having protrusion within said second part.
- the present invention is directed to a valve (1 ) for a container, said valve (1 ) comprising a grommet (2) having a plug system (10) and defining a channel (3) with an inlet end (4) and an outlet end (5) and a stem (6) slideably arranged in the channel (3), whereby the grommet (2) comprises at least two parts (7) and (8) sealingly engaged, said first part (7) having protrusion (1 1 ) within said second part (8).
- FIG 1 schematically represents a valve according to the present invention for a container dispensing a pressurized fluid.
- a valve (1 ) for a container dispensing a pressurized fluid comprising a grommet (2) having a plug system (10) and defining a channel (3) with an inlet end (4) and an outlet end (5), a stem (6) slideably arranged in the channel (3), the grommet (2) comprising a first part (7) provided at said outlet end (5), and a second part (8) provided at said inlet end (4) characterized in that said first part (7) having protrusion (1 1 ) within said second part (8).
- the valve (1 ) is designed to be provided in an opening of a container dome (9) for controlling dispensing a fluid from said container.
- the valve (1 ) is designed to be clinched in an opening of a container dome (9).
- a radially outwardly extending plug system (10) is provided and will clinch the valve against the rim (30) of the container dome (9).
- the radially outwardly extending plug system (10) is made of a thermoplastic material, preferably strengthened with reinforcing additives such as glass fiber.
- the plug system (10) is resilient.
- the plug system (10) of the grommet (2) is snapped in the opening of the container dome (9) and clinched to the rim (30) of the container dome (9).
- additional safety is provided. Due to the first part of the grommet having a plug system and protrusion within said second part of the grommet, the valve is prevented from detaching from the container dome when overpressure occurs inside the container due to extreme conditions in terms of temperature and pressure.
- Said first part (7) of the grommet (2) is preferably made from a thermoplastic material, such as polyethylene, polypropylene, polyamide, ABS, POM or PET, preferably reinforced with fillers, such as glass fibre.
- a thermoplastic material such as polyethylene, polypropylene, polyamide, ABS, POM or PET
- fillers such as glass fibre.
- the first part (7) is formed in the shape of a ring, centrally defining the inlet end (4) of said channel (3).
- the first part (7) is designed so that it comprises a plug system (10) for clinching the valve (1 ) onto the container rim (30), preferably by means of a radially outwardly extending part (31 ).
- the extending part (31 ) can be designed as a continuous ring or, more preferably, as a number of spaced apart radially extending sections (31 ). As illustrated in figure 2, for spaced apart radially extending sections (31 ) are provided.
- the shoulder portion (34) of the radially outwardly extending part (31 ) is provided to be snapped against the container rim (30) and provides additional safety so that the valve (1 ) is hindered to be detached from the container dome (9) when the pressure inside the container rises.
- the first part (7) further comprises an extended portion (19) which is extendedly injection molded with the plug system (10) of the grommet (2).
- the extended portion (19) is mounted over the rim (30) of the container dome (9) and is preferably designed as a multipurpose connection ring for a can adaptor of a dispensing unit.
- At least two extended legs (33), preferably four, are connected with the extended portion (19) to reinforce the extended portion (19).
- the four extending parts (31 ) of the plug system (10), the extended portion (19), the four legs (33) are injection molded simultaneously and in one piece. The sealing of the first part (7) onto the container dome (9) may in this way be optimalized.
- the first part (7) with the plug system (10) has a diameter larger than the inner diameter of the opening of the container dome (9), so the shoulder portion (34) of the plug system (10) can be plugged against the rim (30) of the container dome (9).
- the inner wall of the first part (7) is provided with a shoulder portion (22) conically shaping the inlet end (4) of the first part (7) of the grommet (2).
- Another preferred embodiment of the present invention comprises a roundabout extending part (not shown in the figures) as an alternative for the four legs (33).
- the second part (8) of the grommet (2) preferably has a ring form defining part of said channel (3) and extending from the ring form is a conically shaped wall portion defining the outlet end (5) of said channel (3). Said wall portion is preferably defined by the stem (6) having an annular extension (12) provided at a distance of the ring form.
- the ring form of the second part (8) of the grommet is preferably defined by the stem (6) having an annular extension (12) provided at a distance of the ring form.
- the second part (8) of the grommet (2) preferably comprises at least one, and in this case three inwardly extending sealing lips (20).
- the first part (7) of the grommet (2) has protrusion (1 1 ) within the second part (8) of the grommet (2).
- Said protrusion (11 ) may increase adhesion between said first (7) and said second (8) part of the grommet (2).
- the protrusion (1 1 ) of the first part (7) within the second part (8) of the grommet (2) increases the contact surface of both parts and thus the sealing of both grommet parts (7) and (8). More adhesion between the two parts (7) and (8) of the grommet (2) prevents the valve (1 ) of being detached from the container dome (9). Safety in hence increased.
- the protrusion (1 1 ) of the first part (7) within the second part (8) of the grommet (2) prevents the fluid in the container from contacting the second grommet part (8), thereby avoiding sticking of the material against the inner side of the grommet (2) and hence avoiding blocking of the valve function. Additionally, the radially outwardly extending plug (10) and the protrusion (1 1 ) increase the resiliency of the grommet (2) of the valve (1 ). According to the present invention, the first (7) and second (8) part of the grommet
- the grommet (2) preferably are dual injection molded. Due to the technique of injecting the different grommet parts (7) and (8), additional resilience is provided. Furthermore, by providing a dual injected grommet (2), the adhesion between the first and second part of the grommet is guaranteed. The grommet (2) is designed so that the adhesion surface of the different parts (7) and (8) of the grommet (2) is increased. This additional sealing provides a safer alternative for the valve assembly than the existing valves for pressurized cans. Further, the first part (7) is dual injection molded so that the sealing onto the rim (30) of the container dome (9) is optimized.
- the first part (7) of the grommet (2) is preferably manufactured in a hydrophobic thermoplastic material.
- the first part (7) is made of a thermoplastic material, such as polypropylene or polyethylene, polyamide, ABS, POM or PET.
- the materials can be strengthened with reinforcing additives such as glass fibre.
- the hardness of the first part (7) is higher than the hardness of the second part (8) of the grommet (2).
- the second part (8) is made of material having a hardness in the range between Shore A35 and Shore A90, more preferably, between Shore A70 and Shore A85 and even more preferably a hardness of Shore A80.
- the second part (8) can for example be made of a thermoplastic elastomer, such as styrene-butadiene, butylene-styrene, silicone rubbers, isopropyl ether (Kraton, Shell), chlorinated polyethylene (Tyrin, Dupont de Nemours), epichlorhydrin homopolymers or copolymer, ethylene propylene (Nordel, Dupont de Nemours), fluoroelastomers (Viton, Dupont de Nemours), alcryn MPR (chlorinated olefin interpolymer alloy), Santoprene, Vegaprene, Geolast, Thermolast and Trefsin (Advanced Elastomer Services (EXXON, Elastollan (Elastrogran)
- the second part (8) of the grommet (2) may act as a spring.
- the stem (6) comprises a disk-shaped base (17) and a conical protrusion extending therefrom, said conical protrusion defining a dispensing channel (14) with an inlet (14a) adjacent to said disk and an outlet end (14b) at the distal end of the protrusion.
- the inlet (14a) is defined by holes in the conical protrusion adjacent the disk-shaped base.
- the stem (6) preferably comprises a first (15) and a second (16) disk-shaped resilient lip section, both provided at the outer circumference of the disk-shape base (17).
- the diameter of the first disk-shaped resilient lip section (15) is preferably larger than the diameter of the second disk- shaped resilient lip section (16).
- the stem (6) is inserted into the channel (3) of the grommet (2) whereby the grommet (2) is clamped between circular sealing lip (12) at the outlet end (5) and the disk-shaped base (17) at the inlet end (4) of the channel (3).
- the stem (6) is hereby in sealing contact with the inner walls of the channel (3), which sealing is ascertained by, on the one hand the first (15) and a second (16) disk-shaped resilient lip section abutting the conical shoulder portion (22) of the first part (7) of the grommet (2), and on the other hand the annular extension (12) abutting the conical protrusion of the stem (6).
- the valve is meant to be incorporated in the opening of the rim (30) of the container's dome (9) whereby the inner wall portion of said rim (30) opening is fixedly clamped between the ring form (19) and the shoulder portion (34) of the first part (7) of the grommet (2), thereby providing a first sealing function.
- the shoulder portion (34) of the first part (7) of the grommet (2) is positioned in the container.
- the first grommet part (7) preferably has an outer diameter larger than the inner diameter of the cup's opening, in order to help preventing the valve (1 ) from accidentally detaching from the dome (9).
- the second part (8) of the grommet (2) is injection molded over and along the first grommet part (7). In this way, adhesion between the different grommet parts (7) and (8) is increased and optimized.
- the protrusion (1 1 ) of the first part (7) in the second part (8) of the grommet provides additional sealing and safety.
- the second part (8) of the grommet (2) is injection molded along and under the first part (7) and at the sealing surface (13) pressed against the rim (30) of the container dome (9), providing a second sealing function.
- the second part (8) of the grommet (2) is made of a resilient material, a good sealing can be obtained between the container dome (9) and the grommet (2).
- the stem (6) can be slided between an open and closed position of the valve (1 ).
- the valve (1 ) In rest, the valve (1 ) is closed due to the disk-shaped part (17) of the stem (6) pressing against the shoulder portion (22) of the inner wall of the first grommet part (7).
- the stem (6) To open the valve (1 ), the stem (6) is pushed in a direction towards the container whereby the inlet (14a) of the dispensing channel (3) is in fluid communication with the container's inner space. Once the pressure on the stem (6) is released, it will be forced in a closed position again by the resilience of the second part (8) of the grommet (2) and by the pressure inside the container.
- the holes at the inlet (14a) of the dispensing channel (3) are located at a distance of the second grommet part (8), both in a closed and open position of the valve (1 ), the fluid in the container will not contact the second grommet part (8), thereby avoiding sticking of the material against the inner side of the grommet (2) and hence avoiding blocking of the valve function.
- the second part (8) of the grommet (2) preferably is dual injection molded onto the first part (7) of the grommet (2) of the container dome (9) via a number of injection axes starting from the grommet (2).
- the second (8) part of the grommet (2) is fastened over the rim (30) of the container cup (9).
- the safety is increased.
- detachment of the valve (1 ) from the container dome (9) is hence prevented.
- the adhesion surface between the first (7) and the second (8) part of the grommet (2) is substantially increased.
- Another advantage of molding the second part (8) of the grommet (2) onto the first part (7) of the grommet (2) at the position of the sealing surface (13) pressed against the rim (30) of container dome (9) is that the radially outwardly extending plug (10) and the thermoplastic sealing surface (13) seals the cup (9) on the pressurized cans without the use of a crimping machine.
- thermoplastic multipurpose connection ring (19) as intermediate connection part for easy mounting on the foam applicator, illustrated in figure 1.
- the presence of an external thread (21 ) assures easy outside mounting of the foam applicator on the thermoplastic multipurpose connection ring (19).
- thermoplastic multipurpose connection ring (19) is injection molded as the extension of the first part (7) of the grommet.
- the valve (1 ) and the multipurpose connection ring (19) are formed as an integral part to be mounted on the rim (30) container dome (9), as illustrated in figure 1.
- valve (1 ) comprises a radially outwardly extended plug system (10) which offers additional safety.
- the plug system comprises a radially outwardly extended plug system (10) which offers additional safety.
- valve (10) is designed as two legs (40) which may be clamped against the inside of the container's cup (9), as illustrated in figure 5. Further, the design of this preferred embodiment requires no mechanical clinching process to fasten the valve (1 ) to rim
- valve (1 ) can thus be assembled without the use of a clinching equipment thereby simplifying production and reducing production cost.
- the aerosol valve (1 ) can comprise a spring mechanism mounted on the first part (7) of the grommet (2) to assist the closing of the valve at filling (not shown in the figures).
- the prior art grommets have been replaced by a grommet (2) comprising a combination of a first part (7) having a protrusion (1 1 ) within a second part (8).
- the protrusion (1 1 ) prevents the second grommet part (8) from contacting the content of the container. Further, the protrusion (1 1 ) increases the adhesion of the first (7) and second part (8) on the interface. Thereby, the need for an additional process step, such as laser welding to join both parts together is avoided.
- the valve (1 ) further needs to be moisture resistant. Therefore, the first part (7) of the grommet (2) is preferably made of hydrophobic thermoplastic material. Since the chemical components present in the container are moisture sensitive and react with moisture and/or gas to form the final polymer, it should be acknowledged that any contact with ambient moisture is to be avoided in order to prevent the forming of the final polymer inside the can or vessel. Moisture diffuses via the valve system, more particular the rubber grommet in case of gun and tilting valves. Additionally, by means of the protrusion (1 1 ) of the first part (7) within the second part (8), any contact between the chemical components in the container and the second part (8) of the grommet is avoided. Water penetration that is causing stickiness and blockage of the valve is hence inhibited.
- the valve (1 ) according to the present invention is a new aerosol valve for pressurized fluid containers, more particularly for One Component Foam (OCF) applications, such as polyurethane foam containers, for adhesives and sealants, for food products and for spray paint.
- OCF One Component Foam
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)
- Nozzles (AREA)
- Valve Housings (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10745593.3A EP2467315B1 (en) | 2009-08-19 | 2010-08-18 | Valve with safety protrusion |
PL10745593T PL2467315T3 (en) | 2009-08-19 | 2010-08-18 | Valve with safety protrusion |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09168169A EP2287088A1 (en) | 2009-08-19 | 2009-08-19 | Valve with safety protrusion |
EP10745593.3A EP2467315B1 (en) | 2009-08-19 | 2010-08-18 | Valve with safety protrusion |
PCT/EP2010/062063 WO2011020864A1 (en) | 2009-08-19 | 2010-08-18 | Valve with safety protrusion |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2467315A1 true EP2467315A1 (en) | 2012-06-27 |
EP2467315B1 EP2467315B1 (en) | 2019-10-09 |
Family
ID=41165632
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09168169A Withdrawn EP2287088A1 (en) | 2009-08-19 | 2009-08-19 | Valve with safety protrusion |
EP10745593.3A Active EP2467315B1 (en) | 2009-08-19 | 2010-08-18 | Valve with safety protrusion |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09168169A Withdrawn EP2287088A1 (en) | 2009-08-19 | 2009-08-19 | Valve with safety protrusion |
Country Status (10)
Country | Link |
---|---|
US (1) | US20130200111A1 (en) |
EP (2) | EP2287088A1 (en) |
JP (1) | JP2013502350A (en) |
CN (1) | CN102574628A (en) |
BR (1) | BR112012003563A2 (en) |
HU (1) | HUE046953T2 (en) |
IN (1) | IN2012DN02279A (en) |
PL (1) | PL2467315T3 (en) |
RU (1) | RU2012108965A (en) |
WO (1) | WO2011020864A1 (en) |
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CN103362293B (en) * | 2013-07-23 | 2015-11-25 | 上海宇晟密封材料有限公司 | Polyurethane foam pressure tank |
CN106660690A (en) | 2014-07-14 | 2017-05-10 | 克莱顿公司 | Valve mounting cup for a pressurized container |
US10301104B2 (en) * | 2015-06-18 | 2019-05-28 | The Procter & Gamble Company | Piston aerosol dispenser |
US20160377186A1 (en) * | 2015-06-25 | 2016-12-29 | The Gillette Company | Compressible valve and actuator for a pressurized container |
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 |
JP2018529587A (en) * | 2015-08-04 | 2018-10-11 | コスター テクノロジー スペシヤリ ソチエタ ペル アチオーニCoster Tecnologie Speciali S.P.A. | Valve cups and containers for use in fluid media dispensing systems |
BE1024213B1 (en) * | 2016-11-04 | 2017-12-13 | Altachem Nv | Valve |
WO2018134676A1 (en) * | 2017-01-17 | 2018-07-26 | Coloright Ltd. | Plastic cap with valve |
US10596765B2 (en) | 2017-05-16 | 2020-03-24 | The Procter & Gamble Company | Method of making an aerosol dispenser having annular seals and method of making an aerosol container therefor |
US20180339841A1 (en) * | 2017-05-26 | 2018-11-29 | The Procter & Gamble Company | Sheath to protect an aerosol valve stem |
US10501258B2 (en) | 2017-05-26 | 2019-12-10 | The Procter & Gamble Company | Aerosol dispenser having annular seals and aerosol container therefor |
US20190276221A1 (en) * | 2018-03-06 | 2019-09-12 | The Procter & Gamble Company | Multi-piece valve stem for aerosols |
WO2020041792A1 (en) | 2018-08-24 | 2020-02-27 | Clayton Corporation | Plastic mounting cup and valve for pressurized container |
BE1026178B1 (en) * | 2019-05-17 | 2020-07-10 | Altachem Nv | Liquid dispensing container |
US11674615B2 (en) | 2019-07-26 | 2023-06-13 | The Procter & Gamble Company | Valve assembly for dispensers |
US11117736B2 (en) | 2019-07-26 | 2021-09-14 | The Procter & Gamble Company | Valve assembly for dispensers |
CN114206745A (en) | 2019-07-26 | 2022-03-18 | 宝洁公司 | Valve assembly for a dispenser |
US11117735B2 (en) | 2019-07-26 | 2021-09-14 | The Procter & Gamble Company | Valve assembly for dispensers |
US11892084B2 (en) | 2019-07-26 | 2024-02-06 | The Procter & Gamble Company | Valve assembly for dispensers |
EP4003876A1 (en) * | 2019-07-26 | 2022-06-01 | The Procter & Gamble Company | A valve assembly for dispensers |
CN114174196B (en) | 2019-07-26 | 2023-08-01 | 宝洁公司 | Valve assembly for dispenser |
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DE102008019224B4 (en) * | 2008-04-17 | 2010-09-02 | Lindal Dispenser Gmbh | Valve arrangement for a pressurized fluid container |
-
2009
- 2009-08-19 EP EP09168169A patent/EP2287088A1/en not_active Withdrawn
-
2010
- 2010-08-18 HU HUE10745593A patent/HUE046953T2/en unknown
- 2010-08-18 WO PCT/EP2010/062063 patent/WO2011020864A1/en active Application Filing
- 2010-08-18 BR BR112012003563A patent/BR112012003563A2/en not_active IP Right Cessation
- 2010-08-18 JP JP2012525169A patent/JP2013502350A/en active Pending
- 2010-08-18 RU RU2012108965/12A patent/RU2012108965A/en not_active Application Discontinuation
- 2010-08-18 IN IN2279DEN2012 patent/IN2012DN02279A/en unknown
- 2010-08-18 CN CN2010800466783A patent/CN102574628A/en active Pending
- 2010-08-18 EP EP10745593.3A patent/EP2467315B1/en active Active
- 2010-08-18 US US13/391,137 patent/US20130200111A1/en not_active Abandoned
- 2010-08-18 PL PL10745593T patent/PL2467315T3/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2011020864A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102574628A (en) | 2012-07-11 |
EP2287088A1 (en) | 2011-02-23 |
RU2012108965A (en) | 2013-09-27 |
US20130200111A1 (en) | 2013-08-08 |
IN2012DN02279A (en) | 2015-08-21 |
HUE046953T2 (en) | 2020-04-28 |
PL2467315T3 (en) | 2020-08-10 |
JP2013502350A (en) | 2013-01-24 |
WO2011020864A1 (en) | 2011-02-24 |
EP2467315B1 (en) | 2019-10-09 |
BR112012003563A2 (en) | 2019-09-24 |
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