Easy open closure system

Details Easy open closure system Easy open closure system

1979-08-06

1980-08-05

Hall, George T.

Receptacles

Closures

Superposed closures for common opening

220260, 220269, 220271, 220359, B65D 5122

Patent

active

042157919

ABSTRACT:
An improved easy open closure system is described which comprises an interior sheet material and an exterior flexible film. The exterior flexible film is essentially free of adhesive and is secured to the interior sheet material in the area of the opening by means of the adhesive layer of the interior sheet material.

REFERENCES:
patent: 3339788 (1967-09-01), Lipske
patent: 3371818 (1968-03-01), Bozek
patent: 3441167 (1969-04-01), Balocca et al.
patent: 3804287 (1974-04-01), Balocca et al.
patent: 3990603 (1976-11-01), Brochman
patent: 4108330 (1978-08-01), Patterson
patent: 4135637 (1979-01-01), Hannula

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