发明名称 |
INFLATABLE TENSIONING DEVICE |
摘要 |
This invention relates to a device [10,42,45,47] for tensioning elongated elements such as metal rods [52], rope [59] and the lik e and comprises an inflatable pressure vessel having two superimposed major wall components [12,14] which include an aperture [28] which passes through them and a valve [20] for filling the vessel with liquid under pressure to cause the vessel to be inflated in the axial direction of the aperture [28].
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申请公布号 |
WO0218103(A1) |
申请公布日期 |
2002.03.07 |
申请号 |
WO2001ZA00124 |
申请日期 |
2001.08.27 |
申请人 |
MCKELVEY, JOHN, PAUL;TYRER, DAVID, CHARLES |
发明人 |
MCKELVEY, JOHN, PAUL;TYRER, DAVID, CHARLES |
分类号 |
E04C5/12;E04G21/12;E21D21/00;E21D21/02;(IPC1-7):B25B29/02 |
主分类号 |
E04C5/12 |
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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