Multi-ply film articles

Details Multi-ply film articles Multi-ply film articles

1975-08-11

1976-09-07

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

File folder or file envelope

Hanging type

206390, B65D 3300

Patent

active

039790509

ABSTRACT:
A multi-ply plastic film article having an openable end is provided comprising a first ply of flat flexible plastic film superimposed over a second ply of flat flexible plastic film and having opposite edges thereof joined and an openable end, at least a portion of the first ply of film defining the openable end being distorted to separate at least a portion of the confronting face of said first ply of film from the opposed confronting face of said second ply of film, whereby the distorted portion of film provides means for readily separating the confronting faces of the first and second plies of film.

REFERENCES:
patent: 146773 (1874-01-01), Murphy
patent: 186009 (1877-01-01), Jordan et al.
patent: 3224574 (1965-12-01), McConnell et al.
patent: 3348762 (1967-10-01), Kasinkas
patent: 3411698 (1968-11-01), Reynolds
patent: 3441198 (1969-04-01), Ericson
patent: 3762542 (1973-10-01), Grimes

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