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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/245.5; 004/255; 004/256; 137/315; 137/317; 251/147; 285/339; 285/361|
|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 is a flexible hose which attaches to the housing and can be used to prevent leakage of sewer liquids when the sewer line is to be cleaned.
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 outlet port, said fitting adapted with an inlet port open to the environment to permit passage of a mechanical sewer cleaning apparatus through said inlet port, valve bore, and said outlet port, a removable sealable collar means adapted to be fitted on a neck of s...