Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-04-16
1992-11-03
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156245, 156256, 156283, 156285, 156296, 264116, 264118, 264125, 264140, 83913, 425 831, B27N 312, B29C 5110, B02C 1800, B32B 3116
Patent
active
051604060
ABSTRACT:
The present invention relates to a method and apparatus for producing a formed structural element of fiber material bonded with synthetic resin such that a fine-grained or flowable synthetic resin bonding agent is sprinkled on or sprayed on a nonwoven fabric made entirely or predominantly of natural fibers. The nonwoven fabric which is permeated with synthetic bonding agent is fragmented, whereupon the parts are stored in a tower on a perforated female mold which belongs to a molding press and are precompressed on the female mold by means of an air stream that is suctioned through the perforations. To produce formed structural elements with a stable shape, the synthetic resin bonding agent, after a similarly perforated male mold has been placed on top and pressed on, is hardened by means of a hot air stream that is conducted through the perforations in the male mold and the female mold.
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Gillard Paul H.
Lucca Eusebio
Ball Michael W.
Krawczyk Nancy T.
Matec Holding AG
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