B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
18/1051, 181/17,
B32B 3/02 (2006.01) B60R 13/08 (2006.01) G10K 11/16 (2006.01)
Patent
CA 1116504
Abstract of the Disclosure A method of taking sound insulating floor or wall covering in which carpet is backed with a layer of sound insulating material and a layer of contour retaining material for holding the carpet in a desired contoured shape. The latter material, which is conveniently a carpet precoat, is made formable for instance by heating, the carpet and its backing is shaped to desired form, and the retaining material is allowed to set thus holding the carpet and sound insulating layer to that shape. Desirably, the insulating material is a curable rubbery polymer which is cured before carpet shaping takes place. For improved sound insulating properties, deaerated insulating material is used.
296429
Graham Everett S.
Pole Ernest G.
Henderson Donald A.
Polysar Limited
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