Packaging bag of thermoplastic synthetic plastic film

Details Packaging bag of thermoplastic synthetic plastic film Packaging bag of thermoplastic synthetic plastic film

1975-12-29

1977-04-05

Garbe, Stephen P.

Envelopes, wrappers, and paperboard boxes

File folder or file envelope

Hanging type

229 66, 229 85, B65D 3320, B65D 3336

Patent

active

040157717

ABSTRACT:
A side-seamed two-panel thermoplastic film bag suited for packaging printed matter, having an open mouth to be transversely seam-sealed closed after initial filling with one panel end projecting beyond the mouth as a suspension portion with wicket-accepting hanging holes, and an extension of the second panel at the other end reflected onto the first panel as a bag closure flap with lateral ends secured to the other panel by the side seam-welds, the flap having oblique tear perforation lines up from the bottom corners, a permanently tacky adhesive stripe between the perforation lines releasably bonding the flap to first panel, whereby the closure is easily hand-torn and opened for content inspection and re-closure by the adhesive.

REFERENCES:
patent: 2363957 (1944-11-01), Goff
patent: 2668769 (1954-02-01), Schlienz
patent: 3015918 (1962-01-01), Schoen
patent: 3089635 (1963-05-01), Kugler
patent: 3310225 (1967-03-01), Hoblit et al.
patent: 3385428 (1968-05-01), Kugler
patent: 3419136 (1968-12-01), Pratt
patent: 3510052 (1970-05-01), Ruda

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