Coupling for interconnection of coaxial tubing

Details Coupling for interconnection of coaxial tubing Coupling for interconnection of coaxial tubing

1990-05-07

1992-02-18

Cuomo, Peter M.

Pipe joints or couplings

For branched path

T-type

285332, 285384, 285917, F16L 3900

Patent

active

050887742

ABSTRACT:
A interconnection system for coaxial fluid tubing includes zero-clearance connectors having a metallic innner gasket for sealing an inner passageway for a first fluid and having a elastomeric outer gasket for sealing an outer passageway for a second fluid. The elastomeric outer gasket forms a fluid-tight seal as the connectors are tightened. Further tightening of the connectors engages and seals the metallic inner gasket. Both straight tubing sections and elbows are constructed in a factory setting so that the completed sections can be assembled at a job site without cutting or welding.

REFERENCES:
patent: 724675 (1906-04-01), Decker
patent: 1812471 (1931-06-01), Cater
patent: 2054859 (1936-09-01), Kitching
patent: 2341629 (1944-02-01), Kreidel
patent: 2475635 (1949-07-01), Parsons
patent: 4108476 (1978-08-01), Krupp
patent: 4121858 (1978-10-01), Schulz
patent: 4732414 (1988-03-01), Inaba
patent: 4838583 (1989-06-01), Babuder et al.
patent: 4854597 (1989-08-01), Leigh
patent: 4886305 (1989-12-01), Martin
Cajon.RTM. Vacuum Products, Catalog No. CA-877A, Cajon Company, Macedonia, Ohio.

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