Methods of manufacturing embossed resinous products

Details Methods of manufacturing embossed resinous products Methods of manufacturing embossed resinous products

1975-12-24

1977-05-10

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156209, 156219, 156246, 156277, 156289, 156384, 264210R, 264284, 264321, 428159, 428315, B32B 518

Patent

active

040226433

ABSTRACT:
A method of manufacturing an embossed resinous product having a textured surface which comprises: forming a potentially foamable resinous composition containing a blowing agent therein; heating the potentially foamable resinous composition to an elevated temperature to activate the blowing agent to cause blowing of the potentially foamable resinous composition; and then, before the freshly blown resinous composition has cooled to ambient or room temperature and while it is still relatively soft, mechanically embossing the freshly blown resinous composition under pressure by applying to its surface a previously blown, chemically embossed resinous product having a suitably textured surface; and cooling the freshly blown and now embossed resinous composition to yield an embossed resinous product.

REFERENCES:
patent: 3293094 (1966-12-01), Nairn et al.
patent: 3518153 (1970-06-01), Slosberg et al.
patent: 3887678 (1975-06-01), Lewicki
patent: 3932245 (1976-01-01), Erb et al.
patent: 3959434 (1976-05-01), Squier

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