Knife for disk chip cutting machines

Solid material comminution or disintegration – Apparatus – Comminuting surface provided with openings to permit...

Reexamination Certificate

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Details

C241S298000, C144S218000, C144S241000, C407S114000, C407S116000

Reexamination Certificate

active

06951313

ABSTRACT:
A knife for a disk chip cutting machine which is mounted between a carrier part and a clamping part and which includes a chip breaking surface extending into an opening adjacent an outer surface of the carrier part. The chip breaking surface includes a concave portion which terminates in a rib which extends outwardly and downwardly with respect to an interface between the knife and the carrier part with the concave portion being oriented to direct cut chips in a direction away from the outer surface of the carrier part during use.

REFERENCES:
patent: 4047670 (1977-09-01), Svensson
patent: 4164329 (1979-08-01), Higby
patent: 4269244 (1981-05-01), Kinsella
patent: 4545413 (1985-10-01), Sundberg et al.
patent: 4669516 (1987-06-01), Carpenter et al.
patent: 4694995 (1987-09-01), Holmberg et al.
patent: 4754789 (1988-07-01), Jonsson
patent: 5183089 (1993-02-01), Norlander et al.
patent: 5348065 (1994-09-01), Meyer
patent: 5564967 (1996-10-01), Jorgensen
patent: 397 629 (1994-05-01), None
patent: 1 106 483 (1961-05-01), None
patent: 448 842 (1987-03-01), None

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