CAULKING PART AND OUTER CIRCUMFERENCE PART-CAULKING METHOD

摘要

PROBLEM TO BE SOLVED: To solve a problem of a caulking method for an edge of a tank-shaped outer circumference part which is mainly used currently, and to provide a high quality and simple processing method.;SOLUTION: A caulking part 1 in a U-shape with inclined parts 5 having open parts flipped up in diagonal directions is inserted to a circumference edge 4 of a processed article of which tip end part is bent in a u-shape with an A outer circumference part 2 and a B outer circumference part 3 vertically provided and contacted and the caulking part 1 is mounted by pressing with a press.;COPYRIGHT: (C)2007,JPO&INPIT