Knife blade and method for making same
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United States of America Patent
Stats
-
Mar 31, 1987
Grant Date -
N/A
app pub date -
Jan 8, 1986
filing date -
Jan 8, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A knife blade for cutting sheet material has a cutting portion which includes two adjoining faces defining a cutting edge and comprises a relatively soft or high wear base material and a relatively hard or low wear coating. One of the faces is formed by the relatively hard coating and the other face is formed by the relatively soft base material. Both of the faces of the cutting portion are bevelled and are exposed to the sheet material during cutting. Another knife blade embodying the invention has a cutting portion which includes one face formed of a relatively soft base material and another corrugated face formed of a relatively hard coating.
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