Bag or like packing having an inviolable closure

Details Bag or like packing having an inviolable closure Bag or like packing having an inviolable closure

1987-07-22

1988-12-20

Garbe, Stephen P.

Flexible bags

Lifting or suspending element

Detachable

383 5, 383 15, 383 63, 383 93, B65D 3325

Patent

active

047929839

ABSTRACT:
The bag comprises, respectively fixed by welding to the two inner edge portions of the opening (3) of the bag and substantially throughout the length of the opening, two bars (4, 5) of plastics material having complementary sections (7, 8, 9, 10) capable of interpenetration upon application of a force for preventing opening of the bag by manual force.

REFERENCES:
patent: 1991943 (1935-02-01), Keviczky
patent: 2039887 (1936-05-01), Colletti
patent: 2046127 (1936-06-01), Massini
patent: 2520467 (1950-08-01), Merralls
patent: 3529317 (1970-09-01), Schwarzkopf
patent: 4175604 (1979-11-01), Bonner

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