A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DRAIN PIPE AND RAINWATER DRAINAGE DEVICE
To improve pressure resistance performance.SOLUTION: A drain pipe 61 drains rainwater. The drain pipe 61 is made of polyolefin resin and has more than 17 of SDR value representing ratio between external diameter D and wall thickness T, and is disposed indoors.SELECTED DRAWING: Figure 4
【課題】耐圧性能を向上させる。【解決手段】排水管６１は、雨水を排水する排水管６１であって、ポリオレフィン系樹脂製であり、外径Ｄと肉厚Ｔの比であるＳＤＲ値が１７未満であり、屋内に配置されている。【選択図】図４
DRAIN PIPE AND RAINWATER DRAINAGE DEVICE
To improve pressure resistance performance.SOLUTION: A drain pipe 61 drains rainwater. The drain pipe 61 is made of polyolefin resin and has more than 17 of SDR value representing ratio between external diameter D and wall thickness T, and is disposed indoors.SELECTED DRAWING: Figure 4
【課題】耐圧性能を向上させる。【解決手段】排水管６１は、雨水を排水する排水管６１であって、ポリオレフィン系樹脂製であり、外径Ｄと肉厚Ｔの比であるＳＤＲ値が１７未満であり、屋内に配置されている。【選択図】図４
DRAIN PIPE AND RAINWATER DRAINAGE DEVICE
排水管および雨水排水装置
OKAMOTO KYOKO (author) / TANAKA MASANARI (author) / ASHIZUKA RYOSUKE (author)
2024-08-30
Patent
Electronic Resource
Japanese
AIR BLEEDER DRAIN PIPE COVER AND RAINWATER DRAINAGE SYSTEM
| European Patent Office | 2018