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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0480741 (1983-03-31) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 1 |
A valved fitting for a sewer or drain line access is described which permits easy sewer line entry. The fitting includes a large-straight-bore valve body and a housing which is adapted for connection to a sewer line. Embodiments include removable and permanently attached fittings. A further feature
1. A removable valved access fitting comprising a valve body with a large, straight bore and a valve housing having inlet and outlet ports which ports substantially align with said bore when said body is in an open position, said housing being adapted for connection to a sewer line through said outl
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