Patent ID: 7257899
Filing Date: 2007-08-21
Classification: B23P,B26D,Y10T

Abstract:
1. A substantially circular slicer knife, comprising: an interior base portion comprising a first material; an outer edge portion comprising a second material and forming a substantially circular cutting edge of the slicer knife, the cutting edge formed solely by the second material, wherein the second material of the outer edge portion is metallurgically bonded directly to the first material of the interior base portion so as to be permanently secured to the interior base portion, wherein the second material has better knife edge characteristics than the first material, and wherein a first continuous and smooth transition surface portion is provided on an interior side of the slicer knife where the second material is metallurgically bonded to the first material, and a second continuous and smooth transition surface portion is provided on an exterior side of the slicer knife where the second material is metallurgically bonded to the first material, the first continuous and smooth transition surface portion is free of any touch discernible gap or crevice, and the second continuous and smooth transition surface portion is free of any touch discernible gap or crevice, wherein a region of metallurgical bonding between the first material and the second material includes a slanted portion that angles radially outwardly when moving from the interior side of the knife to the exterior side of the knife.