Screens and method of making the same

Details Screens and method of making the same Screens and method of making the same

1985-12-30

1988-05-10

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156155, 156305, 1563046, 427307, 428253, 428255, 428265, 428267, B32B 700

Patent

active

047434961

ABSTRACT:
A fabric of a polymer material useful for filtration and other purposes can be treated with a mixture of a solvent for the polymer material in a liquid which is not a solvent for the polymer material and which is more volatile than the solvent for a time and at a temperature sufficient to dissolve some polymer material in the strands. As this occurs the surface tension of the dissolved polymer will cause the dissolved polymer to move to create a continuous, smooth walled, curved surface connecting adjacent strands and extending between such strands.

REFERENCES:
patent: 4340558 (1982-07-01), Hendrickson

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