PPROBLEM TO BE SOLVED: To enable to branchingly install a pipe arranged on the opposite side to the branch connection port of a branch protecting cover when branchingly installing at least one of two pipes installed in parallel, in a T-shape. PSOLUTION: A hot water supply pipe PSB1/SBinstalled on the opposite side to the branch connection port DSB2/SB, out of the hot water supply pipe PSB1/SBand a water supply pipe PSB2/SBinstalled in parallel in the branch protecting cover CSB1/SB, out of the hot water supply pipe PSB1/SBand the water supply pipe PSB2/SBinstalled in parallel, is connected to another hot water supply pipe PSB1/SBbranchingly installed in a linear protecting cover CSB0/SBvia a bypassing branch joint JSB1/SBbranchingly connectable in the form of stepping over the water supply pipe PSB2/SB. PCOPYRIGHT: (C)2010,JPO&INPIT
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