Wallcovering in roll form

Details Wallcovering in roll form Wallcovering in roll form

1983-09-14

1985-06-18

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428211, 4283117, 4283166, 428350, 428513, 428906, B32B 300, B32B 700, B32B 2308

Patent

active

045240973

ABSTRACT:
A wallcovering comprising a paper ply (13) and plastics ply (10) laminated together and embossed after lamination has materials of the plies chosen so that inherent expansion of the paper ply when wetted is substantially wholly restrained by high resistance of the plastics ply to stretching without taking the plastics ply beyond its elastic limit so that the wallcovering does not bubble or pucker when the paper ply is wetted. Materials suitable for the plastics ply are foamed polystyrene and orientated polypropylene. A degree of fissuring of the plastics ply during embossing is acceptable and can aid porosity for drying.

REFERENCES:
patent: 3275469 (1966-09-01), Streit
patent: 4339491 (1982-07-01), Lauterbach et al.
patent: 4427731 (1984-01-01), Gibson
patent: 4433025 (1984-02-01), Pusch et al.

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