Machine for continuously producing plastic laminates in a...

Details Machine for continuously producing plastic laminates in a... Machine for continuously producing plastic laminates in a...

2007-08-21

2007-08-21

Crispino, Richard (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

C156S380200, C156S583100

Reexamination Certificate

active

10501170

ABSTRACT:
Continuous installation (10) for the production of plastic laminates including multi-layer laminates (110, 120, 130), comprising a cold press (11) having a lower fixed plate (12) on which is laid a band of aluminium for carrying and drawing inside the press strips of copper (50, 90) and bands of pre-preg (70, 71, 80, 81) partially sliding on the surface of a structure (60) upstream of the press, to allow multi-layer laminates (130) to be placed on said bands (70, 71), said aluminium band (20) remaining in continuous contact with a pair of electrodes (30, 31), placed respectively at the entry to and at the exit from the press, and connected to the electric circuit of a generator (40) of electric current so that, on closure of the press and of said electric circuit, the fraction of metal band (20) comprised between the two electrodes (30, 31) functions as an electric resistance generating the heat needed for pressing.

REFERENCES:
patent: 3094453 (1963-06-01), Scherer
patent: 3236714 (1966-02-01), Traut
patent: 4202721 (1980-05-01), Roberts
patent: 4921569 (1990-05-01), Held
patent: 5615470 (1997-04-01), Ceraso
patent: 5725711 (1998-03-01), Taylor
patent: 198 53 444 (1999-06-01), None
patent: 2 041 290 (1980-09-01), None

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