Pipe joints or couplings – With assembly means or feature – Inserted section
Patent
1989-04-20
1991-07-09
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Inserted section
285369, F16L 2102
Patent
active
050299050
ABSTRACT:
A coupling apparatus for connecting a pair of asbestos-cement pipes in fluid communication with a replacement pipe, the coupling apparatus including a coupling assembly having a bore which is dimensioned telescopingly to receive the spigot ends of the asbestos-cement pipe, and the replacement pipe, and a pair of sealing members are mounted in the bore and are individually adapted to sealingly engage the spigot end of the asbestos-cement pipe and the replacement pipe respectively. The invention also relates to a method for repairing asbestos-cement pipe and which includes the steps of determining the linear distance between two adjoining sections of asbestos-cement pipe, cutting a replacement pipe to a desired length, sliding a coupler assembly on the opposite ends of the replacement pipe, aligning the replacement pipe in substantially coaxial alignment with the asbestos-cement pipes to be joined, and sliding the individual coupler assemblies over the ends of the asbestos-cement pipe thereby coupling the pair of asbestos-cement pipes and the replacement pipe in fluid communication.
REFERENCES:
patent: 2595705 (1952-05-01), Rosecrans
patent: 2738992 (1956-03-01), Heisler
patent: 2914347 (1959-11-01), Magnani
patent: 3637239 (1972-01-01), Daniel
patent: 3826521 (1974-07-01), Wilhelms
patent: 3884508 (1975-05-01), Jones
patent: 4049480 (1977-09-01), Kutschke
patent: 4521037 (1985-06-01), Knox
patent: 4690434 (1987-09-01), Schmidt
Installation Instruction, 8pp. CertainTeed Corporation.
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