Sheet separating machine and method

Details Sheet separating machine and method Sheet separating machine and method

1985-10-29

1988-02-09

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

156584, 271 97, 271280, B32B 3116

Patent

active

047240326

ABSTRACT:
A sheet separating machine automatically separates and removes a sheet of a dry nonextendable film from a printed circuit panel. The machine comprises a plurality of feeding rollers carrying the panel with the films attached to either or both sides thereof through the machine. The stop lever interrupts a movement of the panel at a predetermined location for a selected time interval. An edge separator for loosening a film edge during the interval rides along the film edge and separates the film edge from the panel by utilizing pressure wheels and turbulent air flow. Knife means breaking a bondage between the panel and the film force the film to completely separate from the underlying panel. The separated film is conveyed by the guide means toward a film accumulator.

REFERENCES:
patent: 3794546 (1974-02-01), Cohen et al.
patent: 4183751 (1980-01-01), Matsumoto et al.
patent: 4273606 (1981-06-01), Trilli
patent: 4466852 (1984-08-01), Beltz et al.
patent: 4508589 (1985-04-01), Tarui et al.
patent: 4526634 (1985-07-01), Beer

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