Apparatus for notching of webs

Details Apparatus for notching of webs Apparatus for notching of webs

1977-05-02

1978-09-19

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

With film severing

83671, 83917, 234130, G03B 2900, B26D 112

Patent

active

041150007

ABSTRACT:
An apparatus for notching an edge of a strip of photographic film has an arrangement for advancing the strip in a path. Laterally adjacent the path is located a wheel which rotates intermittently or continuously and which is provided with one (or several circumferentially spaced) punching die(s) provided adjacent the periphery of the wheel. A counter-punch is provided with which the die(s) cooperate(s) so as to notch a longitudinal edge of the strip when the wheel rotates.

REFERENCES:
patent: 2782678 (1957-02-01), Taylor
patent: 3148573 (1964-09-01), Bender
patent: 3242785 (1966-03-01), Schieven et al.
patent: 3812753 (1974-05-01), Kiejzik

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