Resilient foam-backed carpet and method of preparation

Details Resilient foam-backed carpet and method of preparation Resilient foam-backed carpet and method of preparation

1991-11-12

1993-04-20

Lesmes, George F.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

428 85, 4283144, 4283188, 428489, 156 60, B32B 302, B32B 326, B32B 520, B32B 3100

Patent

active

052041557

ABSTRACT:
A floor covering, such as a carpet or carpet tile, which comprises a primary backing sheet having a fibrous face wear surface and back surface and first and second backing layers and with a low density, resilient, non-elastomeric, closed cell polymeric foam layer, such as a thermoset, cross-linked polyethylene foam layer, positioned between and bonded to the first and second backing layers, optionally with a secondary backing layer bonded to the secondary bitumen backing layer. A method of producing a floor covering, such as a carpet tile, which comprises providing a primary backing sheet having a fibrous face wear surface and a back surface and bonding a first bitumen backing layer onto the primary backing sheet, bonding a low density, thermoset, polymeric foam layer to the first bitumen backing layer through a glass tissue to protect the polymeric foam layer and stabilize the composite, and bonding a second bitumen backing layer onto the polymeric foam layer. The second bitumen layer being beyond to a non-woven base wets through a glass tissue to protect the subfloor and stabilize the composite.

REFERENCES:
patent: 3802950 (1974-04-01), Stevens
patent: 3919444 (1975-11-01), Shayman
patent: 4010301 (1977-03-01), Anderson et al.
patent: 4186230 (1980-01-01), Sinclair et al.
patent: 4357377 (1982-11-01), Yamamoto
patent: 4503106 (1985-03-01), Cogliano
patent: 4721643 (1988-01-01), Harayama et al.
patent: 4830916 (1989-05-01), Fukuda et al.
patent: 4882208 (1989-11-01), Breitscheidel et al.

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