Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work feeding or handling means
Patent
1991-05-02
1992-10-27
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work feeding or handling means
1565831, 100 93P, B32B 3104
Patent
active
051586410
ABSTRACT:
A sandwich of sheet material and a plastic film on at least one side thereof is laminated together by advancing the sandwich in one direction between an opposed pair of rigid heating and pressure plates having mutually facing planar surfaces for contacting the sides of the sandwich. The plates of the pair being biased together under a pressure which increases in the direction of the sandwich advance while the pressure level across the plates transverse to the direction of advance at any locus along the plates is substantially uniform, and passing the thus heated and compressed sandwich between the nip of a pair of pressure rollers to complete welding of the sandwich together.
REFERENCES:
patent: 2906847 (1959-09-01), Grevich
patent: 3453950 (1969-07-01), Pfeiffer
patent: 4311550 (1982-01-01), Kerttula
patent: 4353776 (1982-10-01), Giulie et al.
De Clerck Karel L.
Pauwels Robert S.
Vermeulen Leon L.
AGFA-GEVAERT N.V.
Daniel William J.
Sells J.
Simmons David A.
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