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US 5,560,972 AGranted
Latex fusion bonded pile carpets and carpet tile
AssigneeInterface, Inc.
InventorsLawrence W. Blakely, Michael A. Howe
Life of this patent
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Abstract
A fusion bonded carpet in which the pile yarn is secured in a non hot-melt latex adhesive base and methods of manufacture of such carpet.
Claims13
A latex bonded carpet or carpet tile intermediate prior to any curing, comprising in order;
- (i) a pile yarn aggregation;
- (ii) a non-hot melt latex adhesive base:
- wherein the latex adhesive has a viscosity prior to any curing ranging between 40,000 and 120,000 cps;
- wherein the non-hot melt latex adhesive comprises a latex polymer or copolymer selected from the group consisting of
- (i) vinyl acetate-ethylene, ethylene-vinyl acetate-acrylic, styrene-butadiene, polyvinylidene chloride, vinyl acetate-acrylic acid, styrene-acrylic acid;
- (ii) polymers or copolymers of acrylic acid, alkyl acrylate, methacrylic acid, alkyl methacrylate, acrylonitrile, vinylidene chloride and vinyl acetate;
- and
- (iii) latex polymers or copolymers of vinyl chloride;
- wherein the pile yarn aggregation is embedded in the adhesive and protrudes therefrom;
- and
- (iii) a support layer.
8 more elements
A latex bonded carpet or carpet tile intermediate prior to any curing, comprising in order:
- (i) a pile yarn aggregation;
- (ii) a non-hot melt latex adhesive base;
- wherein the latex adhesive has a viscosity ranging between 40,000 and 150,000 cps prior to any curing;
- wherein the non-hot melt latex adhesive comprises a latex polymer or copolymer selected from the group consisting of
- (i) vinyl acetate-ethylene, ethylene-vinyl acetate, styrene-butadiene, polyvinylidene chloride, vinyl acetate-acrylic acid, styrene-acrylic acid;
- (ii) polymers or copolymers of acrylic acid, alkyl acrylate, methacrylic acid, alkyl methacrylate, acrylonitrile, vinylidene chloride and vinyl acetate;
- and
- (iii) latex polymers or copolymers of vinyl chloride;
- wherein the pile yarn aggregation is embedded in the adhesive and protrudes therefrom;
- and
- a support layer.
8 more elements
Dependencies are inferred from the claim text.