发明名称 |
Debris free plug assembly for heat exchange tubes |
摘要 |
An explosive activated assembly for repairing a heat exchange tube in which a grooved metal casing is inserted into the tube to be repaired and has a plurality of projections extending from the outer surface thereof. A force-transmitting member extends within a bore formed in the casing and contains an explosive member so that, upon detonation of the explosive member, the force-transmitting member and the casing are expanded radially outwardly to drive the projections against the tube. A booster is located within the casing and adjacent the charge and is activated by a transfer cord connected to an externally located detonator. The casing is formed with an extension that extends over a portion of the transfer cord and has a hole through which the cord extends to contain the debris and vapor caused by the explosion.
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申请公布号 |
US4587904(A) |
申请公布日期 |
1986.05.13 |
申请号 |
US19850689429 |
申请日期 |
1985.01.07 |
申请人 |
FOSTER WHEELER ENERGY CORPORATION |
发明人 |
BERMAN, IRWIN;SHEEHAN, JOSEPH F. |
分类号 |
B21D39/06;B23K20/08;F16L55/13;F28F11/02;(IPC1-7):F42B3/00 |
主分类号 |
B21D39/06 |
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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