Method of preparing a thermoplastic bag having reinforced handle

Details Method of preparing a thermoplastic bag having reinforced handle Method of preparing a thermoplastic bag having reinforced handle

1984-01-11

1984-08-07

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493224, 493226, 493926, B31B 2300, B31B 186

Patent

active

044641575

ABSTRACT:
The present invention relates to thermoplastic bag structures which are characterized by having a pair of carrying handles formed integrally with the bag walls and extending upwardly from opposite sides of the open mouth portion of the bag. Specifically, such handled bags are particularly characterized in having reinforced handle members where the handles comprise at least two layers of thermoplastic material, one of the layers imparting tensile strength to the individual layer and the other layer particularly employed to provide the requisite puncture and tear resistance necessary in such a bag structure.

REFERENCES:
patent: 3154238 (1961-12-01), Barnhill
patent: 3454441 (1969-07-01), Spruyt
patent: 3468470 (1969-09-01), Sengewald
patent: 3482761 (1968-01-01), Suominen
patent: 3548723 (1970-12-01), Sengewald
patent: 3593622 (1971-07-01), Sengewald
patent: 4165832 (1979-08-01), Kuklies et al.
patent: 4340379 (1982-07-01), Williamson
patent: 4346834 (1982-08-01), Mazumdar

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