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특허 상세정보

Pressure control device for maintaining a constant predetermined pressure in a container

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B65D-083/14   
미국특허분류(USC) 222/389; 222/399
출원번호 US-0725130 (2000-11-29)
우선권정보 EP-98201819 (1998-06-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Pennie & Edmonds LLP
인용정보 피인용 횟수 : 5  인용 특허 : 14
초록

A pressure control device (1) for maintaining a constant predetermined pressure in a container which is arranged for dispensing a fluid contained in the container from the container at that pressure. The pressure control device includes a first chamber (4) and a second chamber (6), as well as at least one closing member (8) movable relative to the second chamber for releasing and closing a fluid connection between the first chamber and the container depending on the position of the closing member relative to the second chamber. The first chamber is fille...

대표
청구항

1. A fluid dispensing assembly comprising:a container having a container axis and enclosing an inner space, the inner space having an upper part that contains a fluid to be dispensed and a lower part having a container pressure; and a pressure control device positioned within the container and including a first sealing ring configured to separate the upper and lower parts, the pressure control device configured to move along said container axis such that a volume of said upper part is decreased as said fluid is dispensed, said pressure control device com...

이 특허에 인용된 특허 (14)

  1. Gamadia Rustom Kooverji (London EN). Aerosol dispensing device. USP1976123995778.
  2. Miyata Hiroyasu (Furukawa JPX) Ohkita Masao (Furukawa JPX) Itoh Akinori (Furukawa JPX) Minatodani Shohji (Zama JPX). Aerosol spray device. USP1984064456155.
  3. Motoyama Shimesu (Asaka JPX) Yamada Shuri (Tokyo JPX) Kurita Kaoru (Tokyo JPX) Iwasaki Akira (Tanashi JPX). Aerosol sprayer with pressure reservoir. USP1982014310108.
  4. Doundoulakis George J. (2498 Kayron La. North Bellmore NY 11710). Bi-stable pressure maintaining gas containers. USP1992055110014.
  5. Cruysberghs Rudiger (Rijkevorsel BEX). Dispensing apparatus. USP1991045011047.
  6. Han Sang In (4350 W. Lake ; #107-B Glenview IL 60025). Disposable pressure wound irrigation device. USP1992075133701.
  7. DeLaforcade Vincent (Rambouillet FRX) Lasserre Pierre (Coubron FRX). Method and device for dispensing and packaging a fluid product contained in a receptacle which is pressurized with the a. USP1996065522526.
  8. Martini Leonard J. (San Diego CA). Multiple function CO2 valve. USP1980014181139.
  9. De Laforcade Vincent,FRX ; Lasserre Pierre-Andre,FRX. Packaging and pressurized dispensing assembly with extemporaneous pressurization. USP2000106131776.
  10. Alfons Vandoninck (Antwerpen BEX). Pressure capsule for spray can and spray can which utilizes such pressure capsule. USP1994025285931.
  11. Vandoninck Alfons (Antwerpen BEX). Pressure capsule for spray can, and spray can which utilizes such a capsule. USP1992025090595.
  12. Vandoninck Alfons (Antwerpen BEX). Pressure capsule for spray can, and spray can which utilizes such a capsule. USP1991024995533.
  13. Cruysberghs Rudiger J. C. (Sterstraat 15 2310 Rijkevorsel BEX). Pressure generator and dispensing apparatus utilizing same. USP1996105562235.
  14. Cruysberghs Rudiger J. C. (Sterstraat 15 2310 Rijkevorsel BEX). Pressure generator and dispensing apparatus utilizing same. USP1994115368207.