Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
BRANCH PIPE WITH CHECK VALVE
PROBLEM TO BE SOLVED: To provide a branch pipe for blocking a reverse inflow from an instrument to a water service pipe side.SOLUTION: On the inner face of the connection between a pre-city water 7-3 of a three-way branch pipe, in which a city water opening cock 9 is disposed at the water outlet branched on the side face of a water pipe having a city water inlet and a city water outlet 4, and a city water supply pipe 6, there is disposed a check valve seat, and a check valve branch pipe is charged with a check valve.SELECTED DRAWING: Figure 13
【課題】器具より水道管側への逆流入を阻止する分岐管を提供する。【解決手段】水道水入水口、水道水出水口４を有した水管の側面に分岐した出水口に水道水開関コック９を設置した３通分岐管の前水道水入水口７−３と水道水供給管６との接続部内面に逆流防止弁、原水入水孔、原水入水孔先端７−２に逆止弁座を設けて逆止弁を装填した逆止弁付分岐管。【選択図】図１３
BRANCH PIPE WITH CHECK VALVE
PROBLEM TO BE SOLVED: To provide a branch pipe for blocking a reverse inflow from an instrument to a water service pipe side.SOLUTION: On the inner face of the connection between a pre-city water 7-3 of a three-way branch pipe, in which a city water opening cock 9 is disposed at the water outlet branched on the side face of a water pipe having a city water inlet and a city water outlet 4, and a city water supply pipe 6, there is disposed a check valve seat, and a check valve branch pipe is charged with a check valve.SELECTED DRAWING: Figure 13
【課題】器具より水道管側への逆流入を阻止する分岐管を提供する。【解決手段】水道水入水口、水道水出水口４を有した水管の側面に分岐した出水口に水道水開関コック９を設置した３通分岐管の前水道水入水口７−３と水道水供給管６との接続部内面に逆流防止弁、原水入水孔、原水入水孔先端７−２に逆止弁座を設けて逆止弁を装填した逆止弁付分岐管。【選択図】図１３
BRANCH PIPE WITH CHECK VALVE
逆流防止弁付分岐管
KAWAKAMI KOICHI (Autor:in) / KAWAKAMI AKIYASU (Autor:in)
07.03.2016
Patent
Elektronische Ressource
Japanisch
WATER SUPPLY PIPE WITH BUILT-IN CHECK VALVE FOR FAUCET
| Europäisches Patentamt | 2020