Bag structure and method of producing

Details Bag structure and method of producing Bag structure and method of producing

1975-04-10

1976-12-21

Coan, James F.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

53 14, 156201, 156290, B31B 160

Patent

active

039981355

ABSTRACT:
A bag structure of the flap type wherein the flap is tack heat-sealed for ready opening by virtue of heat-sealing webs together, wherein the heat-seal overlies a coating substantially resistant to union with thermoplastic material when the latter is in a molten state.

REFERENCES:
patent: 1849774 (1932-03-01), Taylor
patent: 2260064 (1941-10-01), Stokes
patent: 2647334 (1953-08-01), Wilsher et al.
patent: 3182893 (1965-05-01), Bremkamp
patent: 3338019 (1967-08-01), Trewella et al.

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