Process and machine for smoothing printed wiring-circuit plates

Details Process and machine for smoothing printed wiring-circuit plates Process and machine for smoothing printed wiring-circuit plates

1976-11-11

1978-10-03

Culver, Horace M.

90 21D, B23C 313, B23C 312, B23Q 118

Patent

active

041179137

ABSTRACT:
This invention concerns a machine for smoothing printed-circuit plates.
In this machine, the plate is made to perform several transverse movements in relation to the lengthwise axis of the plate; at the end of each such transverse movement, the smoothing tool is made to perform an alternating lengthwise movement, covering a distance slightly greater than the length of the plate; each such lengthwise movement in one direction corresponds to a transverse movement with an uneven ordinal number, while each lengthwise movement in the opposite direction corresponds to a transverse movement with an even ordinal number; at the end of the final lengthwise movement, the plate is ejected, upon which the device that had moved the plate performs a backward movement to its original position.
This machine is used in the manufacture of printed circuits.

REFERENCES:
patent: 3091137 (1963-05-01), Aronson
patent: 3172652 (1965-03-01), Zapf
patent: 3783741 (1974-01-01), Schadebrodt et al.

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