Title:
IN-PIPE MOVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/056241
Kind Code:
A1
Abstract:
This in-pipe moving device is able to move freely and smoothly within pipes which have bent portions or branching portions, and does not block the pipe even if a malfunction, such as a failure in the drive motor of a moving mechanism occurs as the device can be easily removed from the pipe. This in-pipe moving device comprises: two pairs of wheel traveling bodies 2A, 2B, each having two driving wheels 8A, 8B arranged linearly; and a variable bag 3 that is expanded/contracted in response to the pressure of supplied fluid. The two pairs of wheel traveling bodies 2A, 2B are arranged so as to sandwich the variable bag 3 therebetween, and are fixed to the outer surface of the variable bag 3.
Inventors:
HIROSE SHIGEO (JP)
Application Number:
PCT/JP2017/033643
Publication Date:
March 29, 2018
Filing Date:
September 19, 2017
Export Citation:
Assignee:
HIBOT CORP (JP)
International Classes:
B61B13/10; B62D55/065; B62D61/10
Foreign References:
| JPH05294234A | 1993-11-09 | |||
| JP2014034299A | 2014-02-24 | |||
| JP2015221635A | 2015-12-10 | |||
| JPH05213241A | 1993-08-24 | |||
| JP2011246033A | 2011-12-08 |
Other References:
See also references of EP 3517387A4
Attorney, Agent or Firm:
ISOYAMA Hironobu (JP)
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