发明名称 |
Temporary closure devices and tube couplings incorporating such devices |
摘要 |
The disclosure relates to a temporary closure device for a throughway comprises a sleeve to fit in the throughway and a core located in the sleeve. The core has an annular rupturable connection locating the core in the sleeve to prevent flow of fluids through the sleeve. The annular connection is rupturable by displacing the core axially in the sleeve to allow fluid to flow through the sleeve.
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申请公布号 |
US2004084107(A1) |
申请公布日期 |
2004.05.06 |
申请号 |
US20030688360 |
申请日期 |
2003.10.17 |
申请人 |
JOHN GUEST INTERNATIONAL LIMITED |
发明人 |
GUEST JOHN DEREK |
分类号 |
F16L37/098;F16L37/40;(IPC1-7):B65B1/04 |
主分类号 |
F16L37/098 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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