Method of ultrasonically welding articles of porous polytetraflu

Details Method of ultrasonically welding articles of porous polytetraflu Method of ultrasonically welding articles of porous polytetraflu

1996-04-24

1998-05-05

Sells, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 731, 156157, 156502, 1565801, 1565802, B32B 3116

Patent

active

057468567

ABSTRACT:
A method of welding together overlapped edges of porous PTFE sheet materials by applying ultrasonic energy wherein the overlapped edges remain porous after welding. Composite articles made by the welding process are also described.

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Mozgovoi, I.V., et al. Welding Fluoroplast-4 films. Svarochnoye Proizbodstvo Dec. 1977; No. 5:18-19 (1st page of translation). OMSK Polytechnic Institute, USSR.

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