Title:
The manufacturing method of a segment, and the regeneration pipe using a segment
Document Type and Number:
Japanese Patent JP6127020
Kind Code:
B2
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Inventors:
Hiroaki Akashi
Application Number:
JP2014116899A
Publication Date:
May 10, 2017
Filing Date:
June 05, 2014
Export Citation:
Assignee:
Akashi Semi Shield Construction Co., Ltd.
International Classes:
E03F3/04
Domestic Patent References:
| JP2011075013A | ||||
| JP10249880A | ||||
| JP11093583A | ||||
| JP2012197624A | ||||
| JP2009014092A | ||||
| JP2009287290A | ||||
| JP2014034860A | ||||
| JP2009249924A | ||||
| JP2002031129A |
Foreign References:
| US1983135 |
Attorney, Agent or Firm:
Asahina Patent Office
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