Cutting knife with inserts and method of manufacture thereof
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United States of America Patent
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Issued Date -
Nov 1, 2007
app pub date -
Apr 27, 2006
filing date -
Apr 27, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A knife assembly includes a knife plate with a leading edge, and a cutting element cemented to the leading edge via a brazing process. The knife plate is heat-treated after the cutting element is cemented to the leading edge so as to form a heat-treatment area on the leading edge. Also disclosed is a method of manufacturing a knife assembly including, forming a leading edge on a side of a knife plate, forming a slot in the leading edge, inserting, into the slot, an insert, brazing the insert to the knife plate after the insert is inserted into the slot, and heat-treating at least a portion of the knife plate after the brazing.
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