Bender for die cutters and perforators for the printing industry

Details Bender for die cutters and perforators for the printing industry Bender for die cutters and perforators for the printing industry

1974-11-11

1976-04-13

DiPalma, Victor A.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp is active metal-deforming element

72219, 72388, B21D 504

Patent

active

039495914

ABSTRACT:
A bender and shaper for die cutters and perforators for the printing industry. The die cutters and perforators are generally an inverted "T" shape with the center leg of the "T" constituting the knife or perforator. The bender grips the side flanges of the "T" and with a swinging arm causes the cutters or perforators to be bent around the circumference of the wheel members employed to grip the side flanges. Various desired shapes of die cutters and perforators may be made without distortion of the cutting or perforating edges.

REFERENCES:
patent: 2266912 (1941-12-01), Shaw, Jr.
patent: 2369923 (1945-02-01), Shaw, Jr.
patent: 2382901 (1945-08-01), Newsome et al.
patent: 2466381 (1949-04-01), Clouse
patent: 3125150 (1964-03-01), Lubow
patent: 3452581 (1969-07-01), Frederiksen
patent: 3584492 (1971-06-01), Dodge

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