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Swabable valve with curvilinear valve stem
专利权人:
Halkey-Roberts Corporation
发明人:
Rogier, Stephen J.
申请号:
AU2016337532
公开号:
AU2016337532A1
申请日:
2016.10.17
申请国别(地区):
AU
年份:
2018
代理人:
摘要:
A swabable valve having a collapsible valve stem with a concave curvilinear upper surface extending from rim-to-rim of the valve stem, the concave curvilinear upper surface comprising a radius that is sufficient to prevent the collapsed valve stem from becoming lodged within the valve body upon collapsing thereby assuring that the collapsed valve stem will return to its closed position with the concave curvilinear upper surface substantially flush with the end of the valve.
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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