发明名称 PIPE MARKING TOOL
摘要 PROBLEM TO BE SOLVED: To provide a pipe marking tool of a simple structure for marking an outer peripheral surface of a pipe to be connected at a predetermined position with high accuracy. SOLUTION: This pipe marking tool 1 comprises a cylindrical case 2 comprising a large diameter portion 3 and a small diameter portion 4 with the inside thereof formed of a transparent resin, and both ends thereof opened, a plurality of mark holes 35 and 43 formed in the circumferential direction by the open ends of the large diameter portion 3 and the small diameter portion 4, a partition part 5 to demarcate the case 1 into the large diameter portion 3 and the small diameter portion 4, and a plurality of pipe insert parts 32, 33, 34, 41 and 42 of different diameter and length formed inside the large diameter portion 3 and the small diameter portion 4. COPYRIGHT: (C)2004,JPO
申请公布号 JP2003340751(A) 申请公布日期 2003.12.02
申请号 JP20020144568 申请日期 2002.05.20
申请人 HITACHI METALS LTD 发明人 FUJIYOSHI MINORU;TOYAMA YASUSHI
分类号 B25H7/04;F16L33/00;F16L33/28;(IPC1-7):B25H7/04 主分类号 B25H7/04
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