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Title:
A manhole constructing method using a steel circular casing
Document Type and Number:
Japanese Patent JP6009294
Kind Code:
B2
More Like This:
JPH1018325FIXING STRUCTURE OF MANHOLE JOINT AND FORMING METHOD THEREFOR
JP3206887A backfill reinforcement structure of the circumference of a manhole
Inventors:
Miya Saki Kaoru
Application Number:
JP2012207309A
Publication Date:
October 19, 2016
Filing Date:
September 20, 2012
Export Citation:
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Assignee:
Copros Co., Ltd.
International Classes:
E02D29/12; E02D29/14; E21B7/20; E21D1/04; E21D5/10
Domestic Patent References:
JP6257365A
JP2005350944A
Attorney, Agent or Firm:
Hisashi Kato
Takashi Kuboyama



 
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