发明名称 Method of installing a sleeve in one end of a tube
摘要 Method for explosively expanding sleeves into heat exchanger tubes disposed in a tube sheet utilizing shaped charges in conjunction welding and brazing techniques to affectuate tube modifications and repairs including the steps of shaping the sleeve, placing specially shaped inserts into the sleeves, varying the explosive charges within the inserts and varying the confinement of the explosive charge within the insert to explosively weld the sleeve to the tube, expand the sleeve to the tube, and/or expand the tube to engage the tube sheet and welding or brazing one end of the sleeve to the tube to form a seal.
申请公布号 US4028789(A) 申请公布日期 1977.06.14
申请号 US19760671885 申请日期 1976.03.29
申请人 WESTINGHOUSE ELECTRIC CORPORATION 发明人 LOCH, EMIL P.
分类号 B21D39/08;B21D39/04;B23K20/08;F28F9/16;F28F19/00;(IPC1-7):B21D39/06;B23P15/26 主分类号 B21D39/08
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