A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DRAIN PIPE AND RAINWATER DRAIN DEVICE
To provide a drain pipe allowing construction load to be reduce by suppressing occurrence of stress due to heat shrinkage as well as capable of preventing occurence of malfunction due to thermal fusion in a joint connection.SOLUTION: Pipes 32, 34 in this embodiment are drain pipes used in a rain water drain device 10 for draining rain water, being made of olefin, having an SDR value exhibiting a ratio between an outer diameter and a wall thickness of 17 or more and 23 or less, and being arranged in an inner space.SELECTED DRAWING: Figure 4
【課題】熱収縮による応力の発生を低減して施工負荷を小さくするとともに、継手接続での熱融着による不具合の発生を防止することが可能な排水管を提供すること。【解決手段】本実施の形態の配管３２、３４は、雨水を排水する雨水排水装置１０に用いられる排水管であって、オレフィン製であり、外径と肉厚の比であるＳＤＲ値が１７以上２３以下であり、屋内に配置されている。【選択図】図４
DRAIN PIPE AND RAINWATER DRAIN DEVICE
To provide a drain pipe allowing construction load to be reduce by suppressing occurrence of stress due to heat shrinkage as well as capable of preventing occurence of malfunction due to thermal fusion in a joint connection.SOLUTION: Pipes 32, 34 in this embodiment are drain pipes used in a rain water drain device 10 for draining rain water, being made of olefin, having an SDR value exhibiting a ratio between an outer diameter and a wall thickness of 17 or more and 23 or less, and being arranged in an inner space.SELECTED DRAWING: Figure 4
【課題】熱収縮による応力の発生を低減して施工負荷を小さくするとともに、継手接続での熱融着による不具合の発生を防止することが可能な排水管を提供すること。【解決手段】本実施の形態の配管３２、３４は、雨水を排水する雨水排水装置１０に用いられる排水管であって、オレフィン製であり、外径と肉厚の比であるＳＤＲ値が１７以上２３以下であり、屋内に配置されている。【選択図】図４
DRAIN PIPE AND RAINWATER DRAIN DEVICE
排水管および雨水排水装置
TERACHI SHINJI (author) / MOTO TAKAAKI (author) / TANAKA MASANARI (author)
2020-02-06
Patent
Electronic Resource
Japanese
RAINWATER DRAIN PUMP CONTROL DEVICE, RAINWATER DRAIN SYSTEM, RAINWATER DRAIN METHOD, AND PROGRAM
| European Patent Office | 2023