Connecting concentric tube systems

Pipe joints or couplings – With casing – lining or protector – Insulated

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Details

285 48, 285177, 285138, 285149, 285417, 174 88C, F16L 1112

Patent

active

046131663

ABSTRACT:
Two tube systems, each comprised of two or more concentrically arranged metal tubes, are positively and electrically conductive interconnected through a coupler sleeve system composed of a corresponding number of concentrically arranged coupler sleeves of slightly larger diameter such that ends of the sleeves of the coupler sleeves are threaded upon ends of the tubes of the tube systems to be interconnected.

REFERENCES:
patent: 528291 (1894-10-01), Cummings
patent: 582910 (1897-05-01), Groshans
patent: 1731171 (1929-10-01), Miller

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