Woodworking – Process – Mechanical cutting or shaping
Reexamination Certificate
2005-02-01
2005-02-01
Ostrager, Allen (Department: 3725)
Woodworking
Process
Mechanical cutting or shaping
C144S373000, C144S176000
Reexamination Certificate
active
06848486
ABSTRACT:
A method is provided for reconditioning after rehardfacing the wear plates that are used on the mounting face of the knife disc of a disc chipper so that the original dimensions of the wear plate are substantially restored. Also, a wear plate is provided which is reconditioned in accordance with the method. A rear side of the wear plates is machined to incorporate at least one additional groove and into the grooves made on the wear plate rear side are affixed machining allowance strips, whereupon the allowance strips can be machined as required to restore the thickness dimensions of the wear plate.
REFERENCES:
patent: 5129437 (1992-07-01), Nettles et al.
patent: 5417263 (1995-05-01), Jorgensen
patent: 5857508 (1999-01-01), Jonkka
patent: 6056030 (2000-05-01), Jonkka
Burns Doane , Swecker, Mathis LLP
Metso Paper Inc.
Ostrager Allen
Self Shelley
LandOfFree
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