TUNNEL TILE REMOVAL METHOD AND REPAIR HEATING DEVICE

Japanese Patent JP2020002748

A

To remove a large number of porcelain tiles attached over long distances along a tunnel road with a short time with little effort, and to re-decorate an inner wall surface of a concrete skeleton.SOLUTION: In a method for repairing a tunnel for re-decorating an inner wall surface of a concrete skeleton 2 from which porcelain tiles 4 are removed in which the large number of porcelain tiles 4 are attached on the inner wall surface of the concrete frame 2 along a road 1 with a synthetic resin adhesive 3 and the large number of porcelain tiles 4 are removed from the concrete skeleton 2 along the road 1, the tiled wall surface on which the large number of porcelain tiles 4 are attached is heated from a surface side before removing the porcelain tiles 4 from the concrete skeleton 2, the large number of porcelain tiles 4 are mechanically peeled off from the concrete frame 2 after raising the temperature of the interface between the large number of porcelain tiles 4 and the synthetic resin adhesive, and the inner wall surface of the concrete skeleton 2 from which the porcelain tiles 4 have been removed can be re-decorated.SELECTED DRAWING: Figure 1

TANAKA KOJI
TAMAO SOJI
NAKAHASHI AKIRA
ICHIEN SHINSAKU
HIGASHIMURA EIJI

JP2018126026A

January 09, 2020

July 02, 2018

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NISHIO RENT ALL CO LTD
WEST NIPPON EXPRESSWAY ENG SHIKOKU CO LTD

E21D11/04

JP2006291593A	2006-10-26
JP2003166338A	2003-06-13
JP2002310966A	2002-10-23
JP2014077341A	2014-05-01
JP2016205085A	2016-12-08
JPS59119000A	1984-07-09

WO2014147650A1

2014-09-25

Koji Kitamura
Toshio Takao
Ryo Asao

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