Device for interlocking tongue-and-groove type bag

Details Device for interlocking tongue-and-groove type bag Device for interlocking tongue-and-groove type bag

1987-01-02

1988-05-17

Spruill, Robert L.

Package making

Closing packages and filled receptacles

Including provision for pleat of cover overhang

53390, 53570, B65B 706

Patent

active

047441968

ABSTRACT:
A device having two opposed surfaces with a minimum spacing therebetween for pressing together the tongue-and-groove strips of a bag when the bag is slid across the surfaces. There is a larger spacing between the surfaces for the lead-in of the bag between the other surfaces. The surfaces are on two cantilever type of arms for entry and maneuvering of the bag.

REFERENCES:
patent: 3744211 (1973-07-01), Titchenal
patent: 4199845 (1980-04-01), Ausnit
patent: 4249982 (1981-02-01), Ausnit
patent: 4268938 (1981-05-01), Walchli
patent: 4290467 (1981-09-01), Schmidt
patent: 4490595 (1985-01-01), Lems
patent: 4514962 (1985-05-01), Ausnit
patent: 4517788 (1985-05-01), Scheffers
patent: 4654878 (1987-03-01), Lems
patent: 4665552 (1987-05-01), Lems et al.

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