Apparatus for cold sealing the gathered end of a plastic bag

Details Apparatus for cold sealing the gathered end of a plastic bag Apparatus for cold sealing the gathered end of a plastic bag

1978-04-03

1980-02-19

Gelak, Bernard A.

Buckles, buttons, clasps, etc.

Bag fasteners

Resilient slot bag tie

24115G, 24135L, 339272R, 53371, 156580, 24263A, B65D 7710, B65B 706

Patent

active

041886860

ABSTRACT:
This invention relates to a clamping mechanism which is effective to produce a high compressive force on the gathered open end of a thermoplastic bag containing an appropriate product, such as food items for freezing, characterized by the fact that a high compressive force is supplied to at least two spaced portions of the gathered bag end material to effect the sealing of the bag material through cold flow of the material and without the application of any external heat.

REFERENCES:
patent: 249334 (1881-11-01), Gibbons
patent: 789994 (1905-05-01), Myers
patent: 2667695 (1954-02-01), Price
patent: 4001075 (1977-01-01), Menzner
patent: 4079570 (1978-03-01), Rucker

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