Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-05-15
1991-05-28
Lesmes, George F.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 79, 156209, 15624424, 15624425, 156270, 428 17, 428 95, B32B 3100
Patent
active
050191942
ABSTRACT:
In a method for manufacturing a web of a ground covering having a web of pile fabric forming the upper side and cushion elements attached to its underside in grating-type configuration, in order to simplify the manufacturing process, plastic agglomerates corresponding to the cushion elements are produced from a pasty plastics material from which an elastomer is formable by curing, and are deposited in grating-type configuration on an endless conveyer belt; first a reinforcement web with openings therein and next the underside of the web of pile fabric are then placed on the plastic agglomerates such that the plastics material penetrates the openings in the reinforcement web and wets the underside of the web of pile fabric; the plastics material is subsequently cured by heat treatment and the web of pile fabric, the reinforcement web and the cushion elements are thereby firmly bonded to one another.
REFERENCES:
patent: 3236926 (1966-02-01), Wisotzky
patent: 4007307 (1977-02-01), Friedrich
patent: 4278482 (1981-07-01), Poteet
patent: 4405665 (1983-09-01), Beaussier
patent: 4535021 (1985-08-01), Friedrich
patent: 4637942 (1987-01-01), Tomarin
Calabrese Joseph P.
Davis J.
J. F. Adolff AG
Lesmes George F.
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