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Sterilization chest

  • US 4,402,407 A
  • Filed: 12/16/1980
  • Issued: 09/06/1983
  • Est. Priority Date: 12/16/1980
  • Status: Expired due to Fees
First Claim
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1. A container which seals upon evacuation comprises:

  • (a) an open-top receptacle having upright sidewalls and a bottom wall;

    (b) a peripheral flange about the upper edges of its sidewalls of sufficient width to provide an annular, flat sealing surface;

    (c) open channel grooves in said flange, one each, extending along each of at least two opposite sides of said receptacle and located inwardly on said flange surrounded by said annular, flat sealing surface;

    (d) a flexible membrane cover overlying said open top with outside sealing face edges overlying said annular flat sealing surface of said peripheral flange and in sealed contact with said annular flat sealing surface when said chamber is evacuated;

    (e) a plurality of membrane stiffening members in side-to-side array carried on the underside of said flexible membrane and terminating short of the sealing face edges with distal legs received in each of said grooves.

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