Pipe joint and socket for pipe joint

Details Pipe joint and socket for pipe joint Pipe joint and socket for pipe joint

2004-09-17

2008-11-18

Hewitt, James M (Department: 3679)

Pipe joints or couplings

Essential catch

With manipulator

C285S086000, C285S091000, C285S093000, C285S276000, C285S308000

Reexamination Certificate

active

07452006

ABSTRACT:
A pipe coupling is disclosed which comprises a plug (14) and a socket (12). When the plug is inserted into the socket, the plug first urges sleeve actuators (28) radially outward to axially move a sleeve (22) and, thereafter, urges locking elements (20) radially outward to move the sleeve further. Eventually, the locking elements and sleeve actuators are fitted within a locking recess (14-2) of the plug to securely connect the plug and the socket.

REFERENCES:
patent: 2708589 (1955-05-01), Masek
patent: 5255714 (1993-10-01), Mullins
patent: 5323812 (1994-06-01), Wayne
patent: 2003/0042734 (2003-03-01), Kuwabara
patent: 0351439 (1990-04-01), None
patent: S47-42013 (1972-12-01), None
patent: S48-020669 (1973-06-01), None
patent: S51-69119 (1975-06-01), None
patent: S57-49030 (1982-10-01), None
patent: S60-005181 (1985-02-01), None
patent: H03-042305 (1991-09-01), None
patent: P2000-266264 (2000-09-01), None
Supplementary European Search Report dated Oct. 5, 2007 for European patent application No. EP 04 77 3307.

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