Reclosable cross-bottom sack

Details Reclosable cross-bottom sack Reclosable cross-bottom sack

1979-09-05

1981-06-02

Norton, Donald F.

Dispensing

With flow controller or closure

Reciprocatory

222541, 229 60, 229 62, B65D 3012, B65D 8300

Patent

active

042706777

ABSTRACT:
A reclosable sack having a cross-bottom formed by folded-over side flaps has the confronting edges of the flaps spaced apart to define a slideway for a closure strip which is provided with a hole and is retained in the slideway by a cover sheet. When the closure strip is slid to a position where the hole is out of registry with emptying holes pierced in the material overlying and underlying the strip, the sack is substantially sealed.

REFERENCES:
patent: 2046077 (1936-06-01), Johnson
patent: 2387640 (1945-10-01), Bouchelle
patent: 2419182 (1947-04-01), Wells
patent: 3799409 (1974-03-01), Goerke
patent: 4184627 (1980-01-01), Achelpohl

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