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METHOD OF IMPROVING DUCTILITY OF NEEDLE FOR ROOT CANAL TREATMENT DEVICES AND METHOD OF MANUFACTURING NEEDLE FOR ROOT CANAL TREATMENT DEVICES INCLUDING METHOD OF IMPROVING DUCTILITY OF NEEDLE FOR ROOT CANAL TREATMENT DEVICES
专利权人:
B&;L BIOTECH, INC.;In Whan LEE
发明人:
In Whan LEE
申请号:
US16535293
公开号:
US20200297456A1
申请日:
2019.08.08
申请国别(地区):
US
年份:
2020
代理人:
摘要:
The present disclosure relates to a method of manufacturing a needle for root canal treatment devices having improved ductility. The method of the present disclosure includes a step of manufacturing a hollow needle body in a desired shape using an alloy or a single metal, a step of filling the hollow of the needle body with a packing member, a step of heat-treating the needle body at a predetermined temperature under an inert gas atmosphere after the needle body is placed in a vacuum chamber, and a step of cooling and hardening the needle body.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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