Coupled pipe assembly having a tapered interior sleeve

Details Coupled pipe assembly having a tapered interior sleeve Coupled pipe assembly having a tapered interior sleeve

1993-03-25

1994-09-13

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

Molded joint facilitator

285 24, 285 55, 285370, F16L 1302

Patent

active

053462610

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-deflecting material is provided axially within the pipes with the heat-deflecting material being positioned adjacent the opposed pipe ends to protect the corrosion-resistant linings from heat damage during welding of the pipe ends. The sleeve has a tapered cross-section extending to and forming a rounded end edge portion.

REFERENCES:
patent: 2366579 (1945-01-01), Ahrens
patent: 2814508 (1957-11-01), Seamark
patent: 3508766 (1970-04-01), Kessla et al.
patent: 4913465 (1990-04-01), Abbema et al.
patent: 5219187 (1993-06-01), Mikitka

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