Device and method for connection with relative and...

Details Device and method for connection with relative and... Device and method for connection with relative and...

2007-08-14

2007-08-14

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

With fluid pressure seal

Independent supply passage

C285S096000, C285S351000

Reexamination Certificate

active

10805356

ABSTRACT:
Relative and controlled sealing between a pipe (1) and a ceramic tube (7) utilizes a cylindrical chamber (5) that is attached in a sealed manner to the pipe (1), and to one end of the ceramic tube that is placed inside the chamber. At least two sets of sealing fixtures (3, 3′) are placed in an annular space between the ceramic tube and the chamber. A crosspiece (4) is interposed between the two sets sealing of fixtures (3, 3′). A metal mating flange (6) is pressed against a compression ring (4′) to compress the sealing fixtures (3, 3′). Injection of a fluid (8) between the two sets of sealing fixtures (3, 3′) applies a pressure differential that is determined on each of the fixtures.

REFERENCES:
patent: 3984131 (1976-10-01), Gingrich, Jr. et al.
patent: 4122894 (1978-10-01), Laws et al.
patent: 5062910 (1991-11-01), Garcera et al.
patent: 6454274 (2002-09-01), White et al.
patent: 2645941 (1990-10-01), None
patent: 2006351 (1979-05-01), None

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