Reusable one piece low pressure seal

Details Reusable one piece low pressure seal Reusable one piece low pressure seal

1996-10-15

1999-03-02

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for a pipe, conduit, or cable

277496, 277631, 285104, F16J 1500

Patent

active

058760407

ABSTRACT:
The low pressure seal arrangement for sealing a space defined by an inner diameter of a pipe and a rod slidably disposed with the pipe. The low pressure seal includes a sealing insert of reusable, noncorrosive, shape retentive, resilient, boron-resistant, flexible polymeric resin with an axial passage for receiving the tubular rod. The sealing insert combines the functions of a gasket and a stopper, the sealing insert having a hub end of a larger diameter than the pipe, preventing the sealing insert from slipping into the pipe. The sealing insert is installed by hand without tools and resists a pressure of at least 350 psi. The sealing insert may be removed and reused, reducing the amount of radioactive waste generated by the nuclear reactor.

REFERENCES:
patent: 831139 (1906-09-01), Bonner
patent: 853003 (1907-05-01), Collins
patent: 1182359 (1916-05-01), Dies
patent: 2721749 (1955-10-01), Crow
patent: 2831714 (1958-04-01), Thorburn
patent: 3036601 (1962-05-01), Fabian, Jr. et al.
patent: 4580788 (1986-04-01), Rabe et al.
patent: 4728479 (1988-03-01), Merkovsky
patent: 5083749 (1992-01-01), Linderman et al.

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