MENDER FOR LATERAL SEWER OR SUB-PIPE AND MENDING METHOD THEREFOR

摘要

PURPOSE: To stick mending materials to both a place where a lateral sewer or sub-pipe is joined to a main and the inner periphery of the main. ;CONSTITUTION: A mender is composed of a mender body 2 and mending materials. The mender body 2 is composed of a body part 2A and a rubber sleeve 2B, and the rubber sleeve 2B is composed of both a rubber member 2B1 to be expanded, which is formed in pipe shape so as to be put on the body part 2A, and a hat-shaped rubber member 2B2 to be expanded, which is protrusively formed on the rubber member 2B1. The mending materials are composed of heat resistant vinyl sheets and a glass fiber cloths, and the glass fiber cloths are previously impregmated with a major agent. The rubber member 2B1 and the hat-shaped rubber member 2B2 are covered with the mending materials in a laminated state.;COPYRIGHT: (C)1996,JPO