Rotary handle cutout with heated knife

Details Rotary handle cutout with heated knife Rotary handle cutout with heated knife

1988-09-27

1991-06-11

Yost, Frank T.

Cutting

Tool pair comprises rotatable anvil and fixed-type tool

83465, 83566, 83568, 83659, 83171, B26D 702

Patent

active

050222988

ABSTRACT:
Continuously produced plastic bags are made with cutouts in the bags to serve as handles for the bags. A rotary wheel set is used to interface with a circumferential knife blade to cut the holes in the bags. An improved bag tensioning platen and holding apparatus is provided to improve the uniformity of holes being cut in the bags.

REFERENCES:
patent: 2066381 (1937-01-01), Albertson
patent: 2782855 (1957-02-01), Marcoux
patent: 4607556 (1986-08-01), Piggot
patent: 4638702 (1987-01-01), Debin et al.
patent: 4823660 (1989-04-01), Forthmann
patent: 4825739 (1989-05-01), Pfaff
patent: 4856393 (1989-08-01), Braddon

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