Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1977-12-12
1979-06-26
Goolkasian, John T.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156160, 156184, 156229, 156249, 156289, 156290, 428159, B32B 3112, E04F 1500
Patent
active
041592190
ABSTRACT:
An unbacked decorative thermoplastic vinyl resin containing surface covering having a self-induced tension is manufactured by (1) fusing a vinyl resin composition decorative layer and a vinyl resin composition backing layer to a strippable dimensionally stable backing to form a fused thermoplastic decorative surface covering, and (2) removing the strippable backing and rolling the surface covering, thus placing the surface covering under tension and thereby elongating the outward facing layer and compressing the other layer. The composition and structure of the outward facing layer is such that, on unrolling the surface covering, the elongated layer overcomes the compressed layer and the surface covering is stretched to a dimension greater than its original unrolled dimension. On securing the surface covering at its periphery only, the tendency of the surface covering to return to its original dimension, i.e. its elastic memory, creates a self-induced tension therein.
REFERENCES:
patent: 2876893 (1959-03-01), Blackford et al.
patent: 2920977 (1960-01-01), Adams
patent: 3464178 (1969-09-01), Deichert et al.
patent: 3658617 (1972-04-01), Fearnow et al.
patent: 3990929 (1976-11-01), Evans
Armstrong Cork Company
Dawson Robert A.
Goolkasian John T.
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