Multi-layer bag open at one side

Details Multi-layer bag open at one side Multi-layer bag open at one side

1975-12-11

1977-12-27

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 56, B65D 3302

Patent

active

040650499

ABSTRACT:
In a composite bag consisting of a paper or plastics outer envelope of one or more plies and a plastics inner envelope, the latter is closed at the base by a weld seam, the inner envelope material being incorporated in a welded or stitched base closure seam for the outer envelope. A line of weakness in the inner envelope material is disposed between the weld seam of the inner envelope and the base closure seam of the outer envelope.

REFERENCES:
patent: 2737339 (1956-03-01), Doyle
patent: 2898027 (1959-08-01), Scholle
patent: 3038651 (1962-06-01), Cloudsley
patent: 3112057 (1963-11-01), Lipschutz et al.
patent: 3958749 (1976-05-01), Goodrich

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