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SUTURE À ÉLÉMENTS MULTIPLES À HAUTE RÉSISTANCE
专利权人:
Teleflex Medical Incorporated
发明人:
申请号:
EP14839555.1
公开号:
EP3039175B1
申请日:
2014.08.28
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
A method for making an expanded, and optionally multi-component and/or colored PTFE monofilament is disclosed. The method includes forming a first paste by mixing a PTFE powder with a hydrocarbon solvent; forming an extrusion preform by pressing the first paste into a form; curing the extrusion preform by exposing the extrusion preform to a first temperature for a first time duration; forming a green monofilament by extruding the first paste through a die; expanding the green monofilament by exposing the green monofilament to a second temperature for a second time duration, the second time duration occurring after the first time duration; stretching the green monofilament substantially along a longitudinal axis of the green monofilament, the stretching the green monofilament occurring after the expanding the green monofilament; and sintering the green monofilament after the stretching the green monofilament. The method may include doing all or some of the expanding, stretching and sintering steps simultaneously.
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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