Stock material or miscellaneous articles – Composite – Of polythioether
Patent
1978-12-01
1981-05-26
Thurlow, Jeffery R.
Stock material or miscellaneous articles
Composite
Of polythioether
264135, 264174, 264177R, 428 31, 428 76, 428457, 428463, B29F 310
Patent
active
042698979
ABSTRACT:
A process for extruding resilient, impact resistant thermoplastic strips having a metallic appearance by providing a non-metallic film strip of a material selected from the group consisting of polysulfones and polyether sulfones and having a vapor deposited metallized surface, the film strip having melting and deformation temperatures higher than those of a transparent thermoplastic to be extruded thereon and a resiliency and an elasticity at least as high as the resiliency and elasticity of such transparent thermoplastic when extruded thereon and, while feeding such film strip through a cross-head die, extruding the transparent thermoplastic about the metallized film strip and the resilient, impact resistant thermoplastic strip having a metallic appearance produced thereby.
REFERENCES:
patent: 3136676 (1964-06-01), Fisch
patent: 3440129 (1969-04-01), Anselm
patent: 3769150 (1973-10-01), King et al.
patent: 3809568 (1974-05-01), Askew
patent: 3811989 (1974-05-01), Hearn
patent: 3843475 (1974-10-01), Kent
patent: 4081504 (1978-03-01), Wenrick et al.
Bruins Paul F.
Gans Leo
Rothman Myron
Shapiro Jay B.
Thurlow Jeffery R.
Voplex Corp.
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