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특허 상세정보

Pipe joint and couplers

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16L-017/00   
미국특허분류(USC) 285/374; 285/921; 285/237; 285/224; 285/231
출원번호 US-0672543 (2003-09-26)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Jones Day
인용정보 피인용 횟수 : 4  인용 특허 : 81
초록

A pipe joint between cylindrical male and female couplers having terminal end portions with cooperating cam surfaces that facilitate assembly of the couplers. Cooperating projections on the couplers cam past one another when the couplers are assembled and restrain the couplers against separation. A gasket is interposed between the couplers, and the couplers are articulatable at least several degrees to permit some curvature to a string of pipe. The couplers have splines received in annular sockets in the ends of pipes, and the sockets are filled with adh...

대표
청구항

I claim: 1. A cylindrical female pipe coupler B having a longitudinal axis 30, said coupler having a spline portion 32 and a female coupling portion 34 extending in opposite directions generally parallel to said axis 30, said spline portion 32 being attachable to a pipe A, said female coupling portion 34 having inner and outer surfaces 36, 38 and a terminal end 42, a sloping cam surface 44 extending from said terminal end 42 in a direction toward said longitudinal axis 30 and back toward said spline portion 32, said cam surface 44 terminating at an inte...

이 특허에 인용된 특허 (81)

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