| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe end correcting jig capable of correcting the shapes of and chamfering pipe end portions of various sizes and types of pipes by increasing the type and number of correcting cutting edges, eliminating the possibility of damaging the hands of workers during work. SOLUTION: Four cruciform correcting columnar bodies 12, 13, 14, 15 are provided on a jig body 11 and correcting cutting edges 125, 135, 145, 155 are provided between each of jetties and each of small diameter portions. On the peripheries of base end portions of the correcting columnar bodies 13, 15 along the peripheral direction, collar portions 136, 156 are provided between each of the remaining pair of correcting columnar bodies 12, 14 and each of large diameter portions. On the outer periphery edges of the collar portions along the peripheral direction, protruded portions 137, 157 protruded to be spaced from the large diameter portions 132, 152 are provided toward the ends of the correcting columnar bodies 12, 14. Correcting cutting edges 138, 158 are provided between each of the protruded portions and each of the large diameter portions and correcting cutting edges 128, 148 are provided between each of the collar portions of the correcting columnar bodies and each of the large diameter portions of the remaining pair of correcting columnar bodies.
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