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Patent Searching and Data


Title:
PIPELINE REGENERATION PIPE
Document Type and Number:
WIPO Patent Application WO/2012/014336
Kind Code:
A1
Abstract:
Disclosed is a pipeline regeneration pipe with which necessary strength can be ensured by means of the inserted regeneration pipe itself without the necessity of grouting, the regeneration pipe being characterized by being configured of an inner wound flexible resin layer (5d) which constitutes the inner layer of a straight pipe part (5b), an outer wound flexible resin layer (5e) which has been superposed on the outer surface of the inner wound flexible resin layer and constitutes the outer layer of the straight pipe part, and a ridge part (5c) which has been helically formed on the outer surface of the outer wound flexible resin layer, the ridge part (5c) being configured of a rigid-resin core (5g) which has been helically wound and a core-covering part (5f) which has been integrated with the outer wound flexible resin layer so as to surround the rigid-resin core.

Inventors:
KANAO SHIGEKI (JP)
Application Number:
PCT/JP2010/067257
Publication Date:
February 02, 2012
Filing Date:
October 01, 2010
Export Citation:
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Assignee:
KANAFLEX CORP (JP)
KANAO SHIGEKI (JP)
International Classes:
E03F3/04; F16L11/11; E03F7/00; F16L1/00; F16L55/18
Foreign References:
JP2006083608A2006-03-30
JPH076586U1995-01-31
JP2008025761A2008-02-07
JP2005195130A2005-07-21
JP2002038581A2002-02-06
Other References:
See also references of EP 2600047A4
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
Hisakazu Ueki (JP)
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Claims: