| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a joining tool capable of properly preventing the opening between metal elements. <P>SOLUTION: The joining tool used when the end parts of abutting parts TW between the metal elements W1, W2 are joined by heat machining has holder 40 pushing and holding the end parts of the metal elements W1, W2 toward the abutting part TW, the metal elements W1, W2 have hollow parts S1, S2 opening in the end parts of the metal elements W1, W2, the holder 40 have clamp arms 42 inserted into the hollow parts S1, S2, the end parts of the metal elements W1, W2 are pushed and held toward the abutting part TW by the clamp arms 42. <P>COPYRIGHT: (C)2012,JPO&INPIT |
