Process for preparing bands or belts, particularly suitable for

Details Process for preparing bands or belts, particularly suitable for Process for preparing bands or belts, particularly suitable for

1975-03-13

1978-08-29

Anderson, Philip

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

2311, 156209, 156245, 156273, 264 26, 264 454, 264 464, 264248, 264255, 264261, 264293, 264321, 264225, 428315, B29D 2700, B32B 518, B32B 524, B32B 530

Patent

active

041101391

ABSTRACT:
This invention provides a process for preparing artificial leather bands or belts, particularly those suitable for use as watch bands or straps which are characterized by bearing close resemblance to natural leather in the appearance, feeling and touch and toughness of the product, inexpensive production cost and easiness in the production control. The present process comprises charging a half-finished laminated sheet in a substantially closed press mold of silicone rubber and heating said mold under pressure in a high frequency dielectric device, the inner surfaces of said mold bearing complementary embossed patterns to those to be embossed on the surfaces of said laminated sheet, said laminated sheet having a peripheral contour substantially similar to the inner peripheral contour of the recess defined in said mold and including an expandable material layer of thermoplastic resin, the periphery of said laminated sheet being sealed by heating, and at least a top surface layer of said laminated sheet being composed of a material capable of being pressed against the inner surfaces of said recess to be embossed thereon during the heating.

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