Methods of making sound insulation moldable carpets

Details Methods of making sound insulation moldable carpets Methods of making sound insulation moldable carpets

1978-10-20

1980-04-22

McCamish, Marion E.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

156 72, 264 60, 428 96, 428 97, 428174, B32B 302

Patent

active

041996348

ABSTRACT:
A method of making 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 covering 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.

REFERENCES:
patent: 2910762 (1959-11-01), Priester
patent: 2915427 (1959-12-01), Schriner
patent: 4016318 (1977-04-01), DiGioia

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