Title:
DEVICE FOR TESTING PIPING
Document Type and Number:
WIPO Patent Application WO/2012/042921
Kind Code:
A1
Abstract:
Provided is a device for testing piping, the device being capable of being moved in a desired direction in a bent pipe, a branched pipe, etc. using a simple configuration. This device for testing piping has at least one drive unit and at least one testing unit and can be inserted into piping to be tested. The drive unit has drive sections, connection sections, two maneuver cables which pass through the drive sections and the connection sections, and a tension adjustment section which adjusts the tension of the maneuver cables. Each of the drive sections is provided with an axle which can be rotated by a motor, and also with wheels which are attached to the axle. Each of the drive sections and a corresponding one of the connection sections are connected by a connection shaft so that the drive section and the connection section can pivot relative to each other.
Inventors:
HIROSE SHIGEO (JP)
Application Number:
PCT/JP2011/053721
Publication Date:
April 05, 2012
Filing Date:
February 21, 2011
Export Citation:
Assignee:
TOKYO INST TECH (JP)
HIROSE SHIGEO (JP)
HIROSE SHIGEO (JP)
International Classes:
B61B13/10; F16L55/32
Foreign References:
| US6450104B1 | 2002-09-17 | |||
| US5172639A | 1992-12-22 | |||
| US6917176B2 | 2005-07-12 | |||
| JPH048658A | 1992-01-13 | |||
| JPH0640364A | 1994-02-15 | |||
| JPH07186937A | 1995-07-25 | |||
| JPH1159411A | 1999-03-02 | |||
| JP2007320534A | 2007-12-13 |
Attorney, Agent or Firm:
ISOYAMA HIRONOBU (JP)
Hironobu Isoyama (JP)
Hironobu Isoyama (JP)
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Claims: