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Title:
WALL FACE PROCESSING DEVICE FOR EMBEDDED PIPE
Document Type and Number:
Japanese Patent JP2008279528
Kind Code:
A
Abstract:

To provide a wall face processing device for an embedded pipe capable of accurately performing groove processing and wall face cutting with respect to the inner face of the embedded pipe, in the embedded pipe embedded in the ground.

The device for cutting embedded piping P from the inner side is provided with a cutting means 20 having a cutting part 25 for cutting the inner face of the piping P and with a fixing means 10 for fixing the cutting means 20 to inside of the piping P. The fixing means 10 is provided with a base member 11 to which the cutting means 20 is connected and with a plurality of leg parts 12 radiating in all directions from the base member 11 and arranged with tips of the leg parts 12 pressed against the inner face of the piping P. The plurality of leg parts 12 are arranged so that center axes of all of the leg parts 12 are positioned within the same plane. The cutting means 20 has a moving mechanism for moving the cutting part 25 to the circumferential direction around an axis orthogonal to the plane where the center axes of all of the leg parts 12 are arranged.


Inventors:
ONISHI KIYOSHI
MASUDA KIYOO
Application Number:
JP2007123799A
Publication Date:
November 20, 2008
Filing Date:
May 08, 2007
Export Citation:
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Assignee:
SKY ARC KK
PRIME SANGYO KK
International Classes:
B23D21/14; B23C3/34
Domestic Patent References:
JPH06210625A1994-08-02
JPS5198389U1976-08-06
Attorney, Agent or Firm:
Yasunobu Yamauchi
Hiroshi Nakai