Disposable, double-edged knives in granulator machines

Details Disposable, double-edged knives in granulator machines Disposable, double-edged knives in granulator machines

1989-04-20

1990-11-13

Eley, Timothy V.

Solid material comminution or disintegration

Apparatus

Rotary striking member, rotor structure

241242, 241294, B02C 1326, B02C 1800

Patent

active

049696050

ABSTRACT:
A disposable, double-edged rotor knife and a disposable, double-edged bed knife for use in plastic granulating machines. The rotor knife has a general "Z" shape and is held in sandwiched engagement to the rotor of the machine by a clamp that has a wedge shaped bottom. The clamp wedges the rotor knife into a wedge shaped channel formed in the rotor when a bolt that does not pass through the rotor knife is tightened. In one embodiment, the longitudinal axis of the bolt is parallel to a plane normal to the axis of rotation of the rotor, and in a second embodiment a ten degree angle is formed between the axis of the bolt and the plane. The bed knife is keyed to the machine.

REFERENCES:
patent: 3454234 (1969-07-01), Schoeppner
patent: 3929296 (1975-12-01), Stoeber
patent: 3981337 (1976-09-01), Sundstrom
patent: 4009837 (1977-03-01), Schnyder
patent: 4047670 (1977-09-01), Svensson
patent: 4694995 (1987-09-01), Holmberg et al.

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