Manufacturing method of a cutting member

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United States of America Patent

PATENT NO 11577303
APP PUB NO 20190160521A1
SERIAL NO

16320634

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Abstract

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A method of manufacturing a cutting member include cutting a first metal material to form a first portion of the cutting member; cutting second metal material to form a second portion of the cutting member, wherein a first edge of the second portion has at least two line segments, a curve formed by the at least two line segments being mathematically continuously differentiable; welding the first portion and the second portion together; raising the cutting member blank to a first temperature at a first rate and holding raising the cutting member blank from the first temperature to a second temperature at a second rate lower than the first rate and holding, and raising the cutting member blank from the second temperature to a third temperature at a third rate not higher than the second rate and holding.

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Patent Owner(s)

Patent OwnerAddress
HANGZHOU GREAT STAR INDUSTRIAL CO LTD310019 NO 35 JIUHUAN ROAD SHANGCHENG DISTRICT HANGZHOU CITY ZHEJIANG PROVINCE HANGZHOU CITY ZHEJIANG PROVINCE 310019
HANGZHOU GREAT STAR TOOLS CO LTDNO 35 JIUHUAN ROAD JIUBAO TOWN JIANGGAN DISTRICT HANGZHOU CITY ZHEJIANG PROVINCE 310019

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Weiyi Hangzhou, CN 95 481

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