To facilitate insertion of a pipe periphery of a double hole pipe in inserting the pipe periphery and a partition plate of the double hole pipe to be aligned with the pipe periphery and pipe peripheral groove of a double hole type pipe joint, surely and easily fit the partition plate and a partition wall to each other, and facilitate joining work.
This joint is provided for joining to a double hole pipe. A joining part of the partition wall of the joint has at least two joining pieces, the surfaces of which are opposite to each other to be fitted to the partition plate of the double hole pipe, one joining piece is a long piece, and the other joining piece is a short piece. The end part of the long piece is positioned outside the pipe peripheral end face of the joint or the pipe peripheral end face of the joint. The central part in the cross direction of the long piece is formed to be projected from the pipe inside of the double hole pipe joint toward the outside.
YONEDA KAZUYA
KUTOKU MASAAKI
A & A MATERIAL CORP