Title:
PIPE MAKING MACHINE AND PIPE MAKING METHOD
Document Type and Number:
WIPO Patent Application WO/2011/013636
Kind Code:
A1
Abstract:
A pipe making machine (1) is provided with a frame (2) which is mounted inside an existing pipe (200), a joining mechanism (4) which joins portions of a synthetic resin, belt-like body (100), and a wheel (6) which supports the joining mechanism (4) on the inner surface of the existing pipe (200). The joining mechanism (4) is provided with an inner roller (42) and an outer roller (43) which clamp the synthetic resin, belt-like body (100) from the inside and outside thereof. The rotation shaft of the wheel (6) is located at a position different from the positions of the rotation shafts of the inner roller (42) and the outer roller (43). The outer roller (43) of the joining mechanism (4) is maintained so as to be spaced away from the inner surface of the existing pipe (200).
Inventors:
YAMANE TOSHIO (JP)
TSUDA JUN (JP)
TSUDA JUN (JP)
Application Number:
PCT/JP2010/062565
Publication Date:
February 03, 2011
Filing Date:
July 27, 2010
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD (JP)
YAMANE TOSHIO (JP)
TSUDA JUN (JP)
YAMANE TOSHIO (JP)
TSUDA JUN (JP)
International Classes:
B29C63/32; F16L55/16; B29L23/00
Domestic Patent References:
| WO2008075681A1 | 2008-06-26 |
Foreign References:
| JP2003175547A | 2003-06-24 | |||
| JP2002213649A | 2002-07-31 | |||
| JPH0957850A | 1997-03-04 | |||
| JPH10227389A | 1998-08-25 | |||
| JP3072015B2 | 2000-07-31 | |||
| JP2009174641A | 2009-08-06 |
Other References:
See also references of EP 2460643A4
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (JP)
Patent business corporation ARC PATENT ATTORNEYS' OFFICE (JP)
Patent business corporation ARC PATENT ATTORNEYS' OFFICE (JP)
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