Hole cutting device for webs

Details Hole cutting device for webs Hole cutting device for webs

1980-04-01

1982-01-05

Schran, Donald R.

Cutting

With means to convey work relative to tool station

Cut made parallel to direction of and during work movement

83 53, 83177, 83309, 83152, 83374, B26D 718, B29C 1710

Patent

active

043087744

ABSTRACT:
A device for cutting a hole out of a moving web such as plastic film comprising a suction cup for pulling the film against a vacuum source, terminating in a knife edge contained within the suction cup to cut the hole out of the film.

REFERENCES:
patent: 2182744 (1939-12-01), Ehrsam
patent: 3269242 (1966-08-01), Hooper et al.
patent: 4160396 (1979-07-01), Matzner et al.
patent: 4249438 (1981-02-01), Kelley

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