[특허]Liquid pressure reducing unit for beverage dispensing unit

Anheuser-Busch InBev S.A.

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Liquid pressure reducing unit for beverage dispensing unit

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-001/14 B29C-045/00 B67D-001/12 B29C-065/08 B29C-065/00 B29D-022/00 B67D-001/04 B29L-031/00 B29L-031/56 B29C-065/48 B29C-065/56 B29C-065/58 B29C-065/60 B29C-065/02
출원번호	US-0397174 (2013-04-25)
등록번호	US-9598273 (2017-03-21)
우선권정보	EP-12165750 (2012-04-26)
국제출원번호	PCT/EP2013/058640 (2013-04-25)
국제공개번호	WO2013/160406 (2013-10-31)
발명자 / 주소	Franssen, Stijn Peirsman, Daniel
출원인 / 주소	Anheuser-Busch InBev S.A.
대리인 / 주소	Levy & Grandinetti
인용정보	피인용 횟수 : 0 인용 특허 : 3

초록
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A liquid pressure-reducing unit having a first half body with a contact surface and first groove extending over the contact surface is disclosed. The unit has a flexible resilient sealing element having a floor layer lining the floor of the first groove. The unit has a second half body with a contact surface and first and second walls extending out of the contact surface and defining a second groove. The contact surfaces of the first half body and second half body join, wherein the first and second walls penetrate into the first groove so that the free end of the first and second walls forms a fluid-tight contact with the flexible resilient floor layer lining the floor of the first groove, defining a fluid-tight channel bringing in fluid communication a fluid inlet with a fluid outlet. The channel is non-rectilinear and/or having a cross-section varying over the length thereof.

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1. A liquid pressure reducing unit for bringing in fluid communication with the ambient atmosphere a liquid contained in a pressurized container and for gradually decreasing the pressure of the liquid as the liquid is being dispensed, the unit comprising: (a) a first half body comprising a contact surface and a first groove extending over the contact surface;(b) a flexible resilient sealing element comprising a floor layer lining a floor of the first groove; and(c) a second half body comprising a contact surface and a first and second opposed walls extending out of the contact surface and defining therebetween a second groove, the contact surface of the second half body is joined to the contact surface of the first half body, wherein the first and second opposed walls penetrate into the first groove such that a free end of each of the first and second opposed walls form a fluid-tight contact with the flexible resilient sealing element floor layer lining the floor of the first groove, thus defining a fluid-tight channel bringing in fluid communication a fluid inlet with a fluid outlet, the channel being non-rectilinear and/or having a cross-section varying over the length thereof. 2. The liquid pressure reducing unit according to claim 1, wherein the flexible resilient sealing element comprises two opposed flexible walls, jutting out of the floor layer, the two opposed flexible walls are oriented towards an opening of the first groove and contacting a surface of the first and second opposed walls of the second half-body. 3. The liquid pressure reducing unit according to claim 2, wherein an outer surface of each of the first and second opposed walls of the second half body closely mates an internal surface of two side walls defining the first groove and the internal surface of each of the first and second opposed walls of the second half body closely mates the two opposed flexible walls. 4. The liquid pressure reducing unit according to claim 3, wherein the height of the two opposed flexible walls is larger than the depth of the second groove of the second half body, such that the two opposed flexible walls are compressed and strained in order to fit in the channel, thus forming a fluid-tight contact. 5. The liquid pressure reducing unit according to claim 4, wherein the flexible material of the flexible resilient sealing element is either laid or injected into the first groove of the first half body. 6. The liquid pressure reducing unit according to claim 5, wherein the flexible resilient sealing element is made of thermoplastic elastomer (TPE, EVA, EVOH), nitrile rubber (NBR), vulcanised elastomers (TPV), silicone polymers, other rubber-like, co-block polymers (like SBR steryl butadiene rubbers), thermo-cured elastomers. 7. The liquid pressure reducing unit according to claim 6, wherein the first and second half bodies are made of any of PE, PP, PET, PEN, ABS, PC, PA. 8. The liquid pressure reducing unit according to claim 7, wherein the flexible resilient sealing element comprises at least one tubular portion adjacent an open channel portion. 9. A dispensing unit for dispensing a liquid contained in a container the dispensing unit comprising a receiving surface for receiving a container, and a pressure-reducing unit according to claim 1. 10. The liquid pressure reducing unit according to claim 1, wherein the flexible material of the flexible resilient sealing element is either laid or injected into the first groove of the first half body. 11. The liquid pressure reducing unit according to claim 1, wherein the flexible resilient sealing element is made of thermoplastic elastomer (TPE, EVA, EVOH), nitrile rubber (NBR), vulcanised elastomers (TPV), silicone polymers, other rubber-like, co-block polymers (like SBR steryl butadiene rubbers), thermo-cured elastomers. 12. The liquid pressure reducing unit according to claim 1, wherein the two half bodies are made of any of PE, PP, PET, PEN, ABS, PC, PA. 13. The liquid pressure reducing unit according to claim 1, wherein the flexible resilient sealing element comprises at least one tubular portion adjacent an open channel portion. 14. A process for producing a liquid pressure reducing unit, comprising the following steps: (a) injection moulding a first half body comprising a contact surface and a first groove extending over said contact surface;(b) injection moulding a second half body comprising a contact surface and a first and second opposed walls extending over said contact surface and defining therebetween a second groove;(c) lining a floor of the first groove with a floor layer of a flexible resilient sealing element;(d) positioning the second half body in registry with the first half body, wherein the first and second opposed walls of the second half body penetrate into the first groove until a free end of each of the first and second opposed walls form a fluid-tight contact with the flexible resilient sealing element floor layer lining the floor of said first groove;(e) joining together the contact surfaces of the first and second half bodies to form a housing of the unit enclosing a fluid-tight channel bringing in fluid communication a fluid inlet with a fluid outlet, the channel being non-rectilinear and/or having a cross-section varying over the length thereof. 15. The process according to claim 14, wherein the flexible resilient sealing element is positioned into the first groove of the first half body prior to joining the second half body thereto. 16. The process according to claim 14, wherein the flexible resilient sealing element is injection moulded over the first groove of the first half body prior to positioning and joining the second half body thereto. 17. The process according to claim 16 wherein the liquid pressure reducing unit comprises: (a) a first half body comprising a contact surface and a first groove extending over the contact surface;(b) a flexible resilient sealing element comprising a floor layer lining the floor of the first groove; and(c) a second half body comprising a contact surface and a first and second opposed walls extending out of the contact surface and defining therebetween a second groove, the contact surface of the second half body is joined to the contact surface of the first half body wherein the first and second opposed walls penetrate into the first groove such that a free end of each of the first and second opposed walls form a fluid-tight contact with the flexible resilient sealing element floor layer lining the floor of the first groove, thus defining a fluid-tight channel bringing in fluid communication a fluid inlet with a fluid outlet said channel being non-rectilinear and/or having a cross-section varying over the length thereof;wherein the flexible resilient sealing element comprises two opposed flexible walls jutting out of the floor layer, the two opposed flexible walls are oriented towards an opening of the first groove and contacting a surface of the first and second opposed walls of the second half-body;wherein an outer surface of the first and second opposed walls of the second half body closely mates an internal surface of two side walls defining the first groove and the internal surface of each of the first and second opposed walls of the second half body closely mates the two opposed flexible walls; andwherein the height of the two opposed flexible walls is larger than the depth of the second groove of the second half body, such that the two opposed flexible walls are compressed and strained in order to fit in the channel, thus forming a fluid-tight contact. 18. The process according to claim 17 wherein joining of the first and second half-bodies is carried out by gluing, solvent welding, thermal welding, ultrasonic welding, and/or with mechanical fastening means, such as snap fitting means, screws, rivets.

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Liquid pressure reducing unit for beverage dispensing unit

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Liquid pressure reducing unit for beverage dispensing unit

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