Method of manufacturing a flexible polyurethane foam product

Details Method of manufacturing a flexible polyurethane foam product Method of manufacturing a flexible polyurethane foam product

1978-06-30

1980-12-02

Goolkasian, John T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

118 57, 156 731, 156 736, 156283, 156291, 427 57, 427180, 427244, 427346, 428206, 428306, B32B 518, B32B 326, B32B 3116

Patent

active

042371813

ABSTRACT:
A method of manufacturing a patterned cushioning product of flexible polyurethane foam, which is suitable for use as a flooring or carpetting material, wall lining material or any other surface finishing or lying material, which is manufactured by the application of high frequency vibrations necessary to cause thermally fusible bonding particles to permeate into an open-celled structure of a sheet of flexible polyurethane foam and then fushion-bonding surface covering sheets to the opposed surfaces of the polyurethane foam sheet.

REFERENCES:
patent: 3966519 (1976-06-01), Mitchell et al.
patent: 4096016 (1978-06-01), Pohl
Stokes et al., "Applications of Sonic Energy in the Process Industries", Ultrasonic-Two Symposia, A.I.Ch.E., New York, 1951. p. 11.

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