Method and structure for reclosable containers

Details Method and structure for reclosable containers Method and structure for reclosable containers

1975-09-30

1977-08-02

Aegerter, Richard E.

Pipes and tubular conduits

Flexible

138111, 138115, 138168, 24201C, 150 3, 156 92, 156191, F16L 1100

Patent

active

RE0293318

ABSTRACT:
An elongate closed flexible integral plastic film tube for use in making reclosable bags with the tube having first and second interlocking rib elements and first and second groove elements on the surface thereof each shaped for cooperative pressure engagement and forcible separation between the ribs and grooves with the elements spaced apart from each other in both circumferential directions and the film at one side of the elements for forming the body of a bag formed from the tube and the film at the other side of the elements providing a flange forming portion. The elements are spaced so that the bag portion is wider than the flange portion.

REFERENCES:
patent: 1981059 (1934-11-01), Matthews et al.
patent: 2461976 (1949-02-01), Schenk
patent: 2564093 (1951-08-01), Bijl
patent: 2674289 (1954-04-01), Silverman
patent: 2740740 (1956-04-01), Binnal
patent: 2746502 (1956-05-01), Graell
patent: 2750631 (1956-06-01), Johnson
patent: 3038205 (1962-06-01), Plummer
patent: 3088495 (1963-05-01), Svec
patent: 3380481 (1968-04-01), Kraus

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