Fastening of a covering material to a substratum

Details Fastening of a covering material to a substratum Fastening of a covering material to a substratum

1987-06-22

1988-06-14

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156 71, 428 62, 428 82, 428 87, 428 95, 428 97, 428200, 428240, 428247, 428283, 428372, 428913, B32B 3112

Patent

active

047511303

ABSTRACT:
Floor covering, such as carpets (40) or other covering materials for residential and general furnishing, are fixed to a floor or other surface (10) by means of an applied bonding layer (42).
Embedded into the bonding layer are adhesive particles which are made chemically passive and the cohesive forces of which are greater in the thermoplastic state than their adhesive forces and which are converted, only after the carpet has been laid and adjusted in position, from their non-adhesive state into a malleable tacky phase of the layer as a result of the effect of temperature, after which a firm bond is produced in a cooling phase as a result of the lowering of this temperature.
Alternatively, the bonding layer may be provided by a separate interlayer.

REFERENCES:
patent: 3969564 (1976-07-01), Carder
patent: 4142929 (1979-03-01), Otomine et al.
patent: 4405668 (1983-09-01), Wald
patent: 4416713 (1983-11-01), Brooks
patent: 4671977 (1987-06-01), Berry

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