Plastic sheet sealing process and apparatus

Details Plastic sheet sealing process and apparatus Plastic sheet sealing process and apparatus

1978-04-27

1979-12-04

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156229, 156304, 156502, 156583, B29C 2702, B65H 6906

Patent

active

041771001

ABSTRACT:
An improved weld is formed between plastic sheets, by performing the steps that include:

REFERENCES:
patent: 2281976 (1942-05-01), Hansen
patent: 3342817 (1967-09-01), Young
patent: 3384527 (1968-05-01), Fener
patent: 3796625 (1974-03-01), Rutledge

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