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Title:
OPEN-CLOSE STRUCTURE FOR MANHOLE WITH ANTICORROSION FILM FORMED, AND ANTICORROSION FILM FORMATION METHOD
Document Type and Number:
Japanese Patent JP2013036250
Kind Code:
A
Abstract:

To provide a manhole cover and an anticorrosion film formation method, which can maintain a greater anticorrosive performance compared with a normal coated manhole for a long period.

An anticorrosion film 4 composed of a quasi-alloy coating 2 as a primer and a thermoplastic saturated polyester resin coating 3 is formed on the surface of a cover body 1.


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Inventors:
OKADA KATSUO
ARAI SADAO
Application Number:
JP2011173778A
Publication Date:
February 21, 2013
Filing Date:
August 09, 2011
Export Citation:
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Assignee:
NIPPON CHUTETSUKAN KK
International Classes:
E02D31/06; E02D29/14
Domestic Patent References:
JP2008178991A2008-08-07
JP2005120587A2005-05-12
JP2003253419A2003-09-10
JP2003127282A2003-05-08
JP2011072966A2011-04-14
JP2001279472A2001-10-10
JP2010242208A2010-10-28
Attorney, Agent or Firm:
Patent Business Corporation Intect International Patent Office
Yasuo Ishikawa



 
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