Title:
パイプ曲げ加工機およびこのパイプ曲げ加工機を使用した渦巻き型パイプの曲げ加工方法
Document Type and Number:
Japanese Patent JP4653856
Kind Code:
B1
Abstract:
Provided are a pipe bender which is capable of spiral pipe bending and a method for spiral pipe bending with radii of bend using the pipe bender. The pipe bender includes an XY sliding mechanism), which has a Y-axis movement means travelling back and forth and an X-axis movement means travelling from side to side; a turning table device for rotating a turning table provided on top thereof, the turning table device being placed on the XY sliding mechanism; a bender with a cylindrical shaft rotatably supported, the cylindrical shaft placed on the turning table and secured to a worm wheel; a center shaft passing through the hole of the cylindrical shaft and having a lower end secured to a bottom; and a bending roller provided on top of the cylindrical shaft rotatable about the center of a support roller and which is disposed adjacent to the support roller.
Inventors:
Hideo Hayashi
Application Number:
JP2010128522A
Publication Date:
March 16, 2011
Filing Date:
June 04, 2010
Export Citation:
Assignee:
Bushu Industry Co., Ltd.
International Classes:
B21D7/024
Domestic Patent References:
| JP3071928A | ||||
| JP60231527A |
Attorney, Agent or Firm:
Isono Dozo
Etsuo Tada
Etsuo Tada