| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to protect the corrosion of the pipe end face of an insertion pipe after cutting the pipe, the base face and the side face of a fitting groove for an insertion ring with one anticorrosive tools: to get an excellent effect for stopping water of the pipe end face of the insertion pipe as there is no protrusion on the inner circumference face of the insertion pipe. SOLUTION: In an anticorrosive tools for the pipe end part to protect the corrosion of a fitting groove 3A for the insertion ring 7 with the slit which is formed on the outer circumference face of the above pipe end part by putting over the pipe end part of the insertion pipe 3 and a pipe end face 3B of the insertion pipe 3 after cutting, it is constituted of the outer circumference part 1A which is covered on the outer circumference face of the above pipe end part and the side part 1B which is covered on the pipe end face and a swelling part C for stopping water is formed to the inner circumference end. COPYRIGHT: (C)2007,JPO&INPIT
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