Thermoplastic draw tape bag with tacky closure surface

Details Thermoplastic draw tape bag with tacky closure surface Thermoplastic draw tape bag with tacky closure surface

1988-05-19

1989-06-27

Garbe, Stephen P.

Flexible bags

With closure

Independent closures for single access opening

383 74, 383 75, 383 95, 493225, B65D 3320, B65D 3328

Patent

active

048424218

ABSTRACT:
A thermoplastic draw tape bag having a tacky surface on the inside lip of the mouth of the bag and extending around the inner periphery of the lip on the open mouth of the bag, the surface comprising a material having the characteristic of sticking to itself and being adapted to seal the open mouth and hold the bag closed after the draw tape is pulled tight. In one form of the invention, the tacky surface comprises a coating of glycerol mono-oleate. The surface may also comprise a layer of polyvinylidene chloride or a layer of polyisobutylene.

REFERENCES:
patent: 916802 (1909-03-01), Thompson
patent: 1095790 (1914-05-01), Blumel
patent: 2524030 (1950-10-01), Allen
patent: 3119549 (1964-01-01), Schoen

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