Title:
CUTTING DEVICE OF STANDING SEAM JOINT END OF SPIRAL PIPE
Document Type and Number:
Japanese Patent JP3742311
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To automatically cut and remove a sharp standing seam joint end occurring at the winding terminal side end of a spiral pipe.
SOLUTION: This cutting device comprises rotation rollers 12 and 12 for rotating the spiral pipe 1 around the pipe axis at a predetermined rotation torque, a stopper 22 disposed closely to the outer peripheral surface of the winding terminal side end of the spiral pipe 1 on the rotation rollers 12 and 12, and a nipper 17 disposed movably back and forth in the pipe axis direction at a position spaced from the stopper 22 by a cutting width. The sharp standing seam joint end 3b of the spiral pipe 1 is engaged with the stopper 22 to stop the rotation of the spiral pipe 1 while slipping it, and the nipper 17 is progressed during the stop to cut the sharp standing seam joint end 3b.
Inventors:
Ishizaki Tadayuki
Takeshi Fujii
Kengo Fujii
Takeshi Fujii
Kengo Fujii
Application Number:
JP2001133114A
Publication Date:
February 01, 2006
Filing Date:
April 27, 2001
Export Citation:
Assignee:
Kurimoto Iron Works Co., Ltd.
International Classes:
B23D21/00; (IPC1-7): B23D21/00
Domestic Patent References:
| JP9192731A | ||||
| JP4111710A | ||||
| JP8197148A | ||||
| JP62277215A | ||||
| JP4134992U |
Attorney, Agent or Firm:
Bunji Kamada
Higashio Masahiro
Torii Kazuhisa
Higashio Masahiro
Torii Kazuhisa