Oxygen absorbent-containing bag

Details Oxygen absorbent-containing bag Oxygen absorbent-containing bag

1980-12-11

1982-06-01

Epstein, Henry F.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

428137, B32B 310

Patent

active

043328458

ABSTRACT:
At least part of the material constituting the bag in which an oxygen absorbent is sealed is composed of a laminated sheet in which a gas permeable sheet is laminated to one or both sides of a microporous film to provide a lamination the two outside layers of which have different softening points, the layer having a lower softening point constituting the inner surface of the bag is disclosed. The bag of this invention can be produced at a high speed by using an ordinary heat-seal machine.

REFERENCES:
patent: 3058863 (1962-10-01), Gaines et al.
patent: 3095315 (1963-06-01), Magill, Jr. et al.
patent: 3522077 (1979-07-01), Kaczmarek
patent: 3637418 (1972-01-01), Dotson et al.
patent: 4104192 (1978-08-01), Yoshikawa et al.
patent: 4113652 (1978-09-01), Yoshikawa et al.
patent: 4127503 (1978-11-01), Yoshikawa et al.
patent: 4166807 (1979-09-01), Komatsu et al.
patent: 4192773 (1980-03-01), Yoshikawa et al.
patent: 4199472 (1980-04-01), Ohtsuka et al.

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