Self-closing, snap-open pouch and method of making same

Details Self-closing, snap-open pouch and method of making same Self-closing, snap-open pouch and method of making same

1979-05-29

1982-03-02

Marcus, Stephen

Purses, wallets, and protective covers

Protective cover made of flaccid material

For a racquet

229 65, B65D 3330

Patent

active

043174787

ABSTRACT:
Self-closing, snap-open pouch or sack type of flexible container having closure emore transversely flexible in one direction than in the other under longitudinal load and/or more outwardly flexible at or toward its center than at its ends. Opposed transverse creases adjacent the ends of each closure strip insure that the strips will spring apart under a longitudinal compressive load applied substantially to both strips. The walls of the containers are made from sheet material with a pair of closure strips secured to the sheet margins; longitudinal center folding of the sheet brings the closure strips into opposed juxtaposition and allows the folded sheet to be severed and end-sealed to form individual containers and place the ends of one closure element in a pivotal relationship with the ends of an opposite closure element.

REFERENCES:
patent: 488783 (1892-12-01), Weber
patent: 1224842 (1917-05-01), Boyd
patent: 1798945 (1931-03-01), Lamarthe
patent: 2232888 (1941-02-01), Schimelmitz
patent: 2903033 (1959-09-01), Robinson
patent: 3272248 (1966-09-01), O'Farrell

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