Knife with ferrule as sintered part
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United States of America Patent
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-
Jul 21, 1992
Grant Date -
N/A
app pub date -
Apr 19, 1991
filing date -
Nov 23, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A knife consisting of blade, ferrule and shank, in which shank and blade are welded to opposite flat surfaces of the ferrule and consist of steel, and, in order to obtain a considerably simplified manufacture with the same utilitarian value, a sinter-steel ferrule is provided in connection with which the material of shank and ferrule have approximately the same hardness, which hardness is less than that of the material of the blade.
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