| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for corrugating a metal pipe capable of providing a desired shape even with a deep corrugation and easily forming the corrugation. SOLUTION: The apparatus for corrugating a metal pipe comprises a rolling gear (1) which circulates around a pipe (P) which is to be worked while rotates itself. A drive means (2) circulates the rolling gear (1). A braking means (3) brakes rotation of the rolling gear (1) caused by forced feeding of the pipe (P). COPYRIGHT: (C)2004,JPO
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