Breathable, sterilizable receptacles for storing articles in ste

Details Breathable, sterilizable receptacles for storing articles in ste Breathable, sterilizable receptacles for storing articles in ste

1979-10-22

1981-06-02

Dixon, Jr., William R.

Special receptacle or package

For body treatment article or material

With gas permeable cover

2064841, 428 35, 428138, 428513, A61B 1706, B65D 7300, B32B 310

Patent

active

042706580

ABSTRACT:
Disposable receptacles for storing articles in sterile condition and having small breathers integral with the walls thereof, as well as apparatus and methods for making such receptacles and the materials therefor, are disclosed. The receptacles are fabricated of a pre-laminated material comprising a layer of breathable barrier material such as paper and a layer of thermoplastic, polymeric material such as polyethylene.
The breathers may be made by heat sealing the thermoplastic layers of a pair of laminated sheets together at small, selected areas and then separating the sheets causing localized delamination of the layers and the formation of ruptured, blister-like projections in the thermoplastic layers at the heat seal positions.

REFERENCES:
patent: 3229813 (1966-01-01), Crowe, Jr. et al.
patent: 3410393 (1968-11-01), Sellers
patent: 3435948 (1969-04-01), Kaganov et al.

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