| 摘要 |
PURPOSE:To provide a bent hose or pipe of being light weight in comparison with ones made of metal, having no occurrence of harmful or poisonus fluid at the time of burning, being unnecessary for heat insulation construction and easy for piping construction, moreover, having no dissolution of organic components even in flowing drinking water, and being excellent in sanitary. CONSTITUTION:A bent hose or pipe is manufactured such that rubber layer 2 is formed on the outer surface of olefine resin layer of PTFE, high molecular weight PE, HD-PE, PP, polybutene and the like, and on the outer surface of the foregoing rubber layer 2, a sponge rubber layer 3 is formed respectively, and further a joint-fitting 4 for the rubber hose is connected to the end part thereof. |
