Preparation of de-gassed complex products formed of fibres impre

Details Preparation of de-gassed complex products formed of fibres impre Preparation of de-gassed complex products formed of fibres impre

1980-09-29

1982-09-07

Beck, Shrive P.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 624, 156324, 427324, 427299, 427345, 427350, 427421, B32B 3100

Patent

active

043482481

ABSTRACT:
A fibrous web carried by a thin film disposed on a conveyor passes under a number of spray tubes which pour thereon a plastic material in liquid form which has been de-gassed under vacuum in a gas eliminating apparatus. The liquid absorbs gases from the fibres and overflows laterally into a lower trough from which it is recycled into the gas eliminating apparatus. The web is thus progressively de-gassed and impregnated with de-gassed plastic material. It is then covered by another thin film to form a sandwiched complex product for further operations.

REFERENCES:
patent: 2331146 (1943-10-01), Slayter
patent: 2903389 (1959-09-01), Fujita
patent: 3229445 (1966-01-01), Kraft
patent: 3621892 (1971-11-01), Gillespie
patent: 3629028 (1971-12-01), McLarty et al.
patent: 3734814 (1973-05-01), Davis et al.
patent: 4141929 (1979-02-01), Stoops et al.
patent: 4187327 (1980-02-01), Lapp et al.

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