发明名称 Tube extractor
摘要 A tube extractor for extracting tubes from the tube sheets of a heat exchanger, which utilizes a fluid pressure activated broach which is expanded and drawn into the end of the tube to be removed without expanding the outside diameter of the tube, and which then withdraws the tube from the tube sheet.
申请公布号 US4213239(A) 申请公布日期 1980.07.22
申请号 US19780950276 申请日期 1978.10.11
申请人 FILER, BURT 发明人 FILER, BURT
分类号 B23P19/02;(IPC1-7):B23P19/02 主分类号 B23P19/02
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