Method for joining sheet materials

Details Method for joining sheet materials Method for joining sheet materials

1984-12-11

1987-04-14

Czaja, Donald

Package making

Methods

Enclosing contents within progressively formed web means

53DIG2, 156215, 156217, 1562724, 1562737, 1562739, 1562751, 156298, 1563084, 1563096, B65B 902, B65B 5122

Patent

active

046568140

ABSTRACT:
A method of joining two sheets each comprising a metallic foil and heat-sealable material comprises applying heat and pressure to squeeze the heat-sealable material away from a region between the foils so as to provide electrical contact, either directly or by way of an inserted filament, between the foils.

REFERENCES:
patent: 2647072 (1953-07-01), Smith
patent: 3679509 (1972-07-01), Fielibert
patent: 4030960 (1977-06-01), Pratt
patent: 4097324 (1978-06-01), Emmel

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