Rotary cutter for sheet or strip material and its use in a belt

Details Rotary cutter for sheet or strip material and its use in a belt Rotary cutter for sheet or strip material and its use in a belt

1979-11-19

1982-07-13

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

83169, 83337, 83152, B65H 1920

Patent

active

043390927

ABSTRACT:
A rotary cutter for sheet or strip material, comprises a roller with an air-pervious surface to which negative air pressure can be applied and an axially disposed knife in the roller which intermittently projects radially from the roller to cut the material when held thereon by negative pressure. Such a cutter can conveniently form part of a belt wrapper for starting a coil of material, where unwanted material can be cut and discarded.

REFERENCES:
patent: 3057239 (1962-10-01), Teplitz
patent: 3174372 (1965-03-01), Huck
patent: 3490711 (1970-01-01), Cambon
patent: 3549097 (1970-12-01), Seigh
patent: 3552670 (1971-01-01), Herman
patent: 3640480 (1972-02-01), Schleich
patent: 3869095 (1975-03-01), Diltz
patent: 3910518 (1975-10-01), Yamaguchi
patent: 3943686 (1976-03-01), Crawford et al.

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