Long Cutting Knife
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United States of America Patent
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Issued Date -
Sep 19, 2024
app pub date -
Dec 21, 2021
filing date -
Jan 21, 2021
priority date (Note) -
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Abstract
A long cutting knife is used to cut wood along an outer surface of the wood to obtain a veneer. The long cutting knife includes a blade metal including a cutting edge at a tip end and a flank face adjacent a rear face. The long cutting knife further includes a base metal to which the rear face of the blade metal is joined. The base metal is a steel material or a quenched steel material. For the steel material of the base metal, the yield point before quenching is greater than or equal to 305 N/mm2, the yield point after quenching is greater than or equal to 390 N/mm2, and/or the carbon content is greater than or equal to 0.32%.
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