Coupled pipe assembly

Details Coupled pipe assembly Coupled pipe assembly

1988-08-24

1990-04-03

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

Molded joint facilitator

285 55, 285286(U.S.only), 285286, 285370, F16L 1302

Patent

active

049134655

ABSTRACT:
A coupled pipe assembly having a pair of opposed, axially positioned pipes each having opposed beveled ends and interior corrosion-resistant linings. A sleeve having heat-insulating material is inserted axially within the pipes with the heat-insulating material being positioned adjacent the opposed pipe ends to protect the corrosion-resistant linings from heat produced during the welding of the pipe ends. The sleeve has a uniform, continuous diameter along the entire length thereof.

REFERENCES:
patent: 1920449 (1933-08-01), Unke
patent: 1980561 (1934-11-01), Wagner
patent: 2366579 (1945-01-01), Von Ahrens
patent: 2646995 (1953-07-01), Thompson
patent: 3508766 (1970-04-01), Kessler et al.

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