Anticorrosive product lined with polytetrafluorothylene and the

Details Anticorrosive product lined with polytetrafluorothylene and the Anticorrosive product lined with polytetrafluorothylene and the

1989-06-07

1990-12-04

Eley, Timothy V.

Metal working

Foil or other thin sheet-metal making or treating

Method

294191, 294695, B23K 2022, B22B 1514

Patent

active

049743031

ABSTRACT:
The invention relates to polytetraflyororthylene (PTFE) anticorrosive product and the method for making the same. The product is characterized in that a metal sieve is sandwiched in PTFE layer. The disadvantage of single PTFE product namely damage of the product caused by the change of temperature and the deformation of the product caused by the cold flow property are overcome, so as to guarantee the quality of the product, and increase the service life. The method for making the PTFE anticorrosive produce is an improvement to the prior method and further comprises the step of wrapping a layer of metal sieve between two steps of winding the PTFE tape.

REFERENCES:
patent: 4697324 (1987-10-01), Grant et al.
patent: 4782992 (1988-11-01), Doble

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