Flexible sheet-type covering material and process for making sam

Details Flexible sheet-type covering material and process for making sam Flexible sheet-type covering material and process for making sam

1980-08-14

1981-09-08

Lawrence, Evan K.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

427244, 427366, 428159, 428160, 428195, 428210, 428313, 428315, B32B 326, B05D 312

Patent

active

042884861

ABSTRACT:
Flexible, sheet-type covering material is made by coating a porous mat with mechanically frothed plastic foam. The foam is gelled, at least partially fused and then calendered to crush the foam.

REFERENCES:
patent: 3607341 (1971-09-01), Goins et al.

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