Cutting – Tool or tool with support – Stationary cutter
Patent
1985-09-09
1987-10-06
Yost, Frank T.
Cutting
Tool or tool with support
Stationary cutter
83698, 839155, G01N 106
Patent
active
046974890
ABSTRACT:
An ultramicrotome diamond tool is provided with a diamond knife blade having first and second planar surfaces which intersect to define a cutting edge and a shank for holding the knife blade. In one embodiment of the ultramicrotome diamond tool the cutting edge of the blade is defined by the intersection of naturally occurring (111) and (100) crystal planes and is primarily usable in materials science and machine tool applications. In a second embodiment of the ultramicrotome diamond tool, the cutting edge of the blade is defined by the intersection of naturally occurring (320) and (111) crystal planes and is primarily usable in biological science applications to cut biological tissue or the like. The blade is usable to cut a material specimen that has a longitudinal axis and that is being advanced in a direction along its longitudinal axis toward the ultramicrotome tool. The blade is mounted on a shank having a longitudinal axis. The shank is mounted on a base to cause the longitudinal axis of the shank to be substantially orthogonal to the longitudinal axis of the material specimen.
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