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US6237655: Apparatus for holding a fluid bag composed of gas-tight material


Filing Information

Inventor(s) Walter Gumbrecht ·
Assignee(s) Siemens Aktiengesellschaft ·
Attorney/Agent(s) Schiff Hardin & Waite ·
Primary Examiner Gregory L. Huson ·
Assistant Examiner Peter deVore ·
Application Number US9383650
Filing date 08/26/1999
Issue date 05/29/2001
Predicted expiration date 08/26/2019
U.S. Classifications 141/390  · 220/495.05  · 141/114  ·
International Classifications --
Kind CodeB1
International Classifications 141329 · 141114 · 141313 · 141314 · 141316 · 141391 · 141390 · 222105 · 22911727 · 22911728 · 22911729 · 2291173 · 22911731 · 22911732 · 22911733 · 22911734 · 22911735 · 22049501 · 22049502 · 22049503 · 22049504 · 22049505 · 22049506 · 22049507 · 22049508 · 22049509 · 2204951 · 22049511 ·
Foreign Priority DE19838787 - 08/26/1998 ·
15 Claims, 8 Drawings


An apparatus for holding a flat bag made of a gas-tight flexible material, to be filled with a fluid has an apparatus hollow space that is limited by a concavely cylindrically curved fixed side wall surface for a flat application of the flat bag, and two fixed front wall surfaces that face one another and are each convexly curved, for an inward bending of edge sides, positioned opposite one another, of the bag lying flat against the side wall surface.

Independent Claims | See all claims (15)

  1. 1. A fluid bag and holding apparatus combination comprising: a fluid bag composed of gas-tight flexible material and fillable with a fluid, said bag being flat before being filled with a fluid; a plurality of apparatus surfaces forming a hollow space in which said bag, in an unfilled state, is received, said bag in said unfilled state having edge sides disposed opposite each other; and said apparatus surfaces including a concavely cylindrically curved rigid side wall surface against which said bag in said unfilled state lies flat, and two rigid front wall surfaces spaced from and facing each other and being convexly curved, and against which said edge sides of said bag are adjacent when said bag lies flat against said side wall surface, said front wall surfaces respectively curving said edge sides of said bag to conform to said front wall surfaces.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US2564163* LUCIEN LEPERRE JEAN EMILE Leperre Aug 1951
US3042086* CHELWIN PRODUCTIONS INC Winchell Jul 1962
US3321070* Childs May 1967
US3383026* FMC CORP McGee May 1968
US3687051* POLAROID CORP Wilke Aug 1972
US4346743* The Continental Group, Inc. Miller Aug 1982
US5332121* Continental PET Technologies, Inc. Schmidt et al. Jul 1994
US5429254* Inpaco Christine Jul 1995
US5516007* Larson May 1996
* cited by examiner

Referenced By

The current document is not referenced by other documents.

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