Pipe connection method and connecting structure

Pipe joints or couplings – Deformed – Outwardly expanded

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Details

2853822, 285417, 285 55, 29508, F16L 1314

Patent

active

046244891

ABSTRACT:
A connection structure and method comprising the steps of providing a cylindrical joint member for connecting a first pipe and a second pipe inserted into opposite ends of said cylindrical joint towards the center of said cylindrical joint member and holding said pipes in such a position that their ends are separated only by a narrow gap, and compressing both ends and the center of said cylindrical joint member to form airtight seals between said first and second pipes and the ends of said cylindrical joint member and also between the ends of said first and second pipes and the middle part of said cylindrical joint member.

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patent: 4231596 (1980-11-01), Ridenour
patent: 4257155 (1981-03-01), Hunter
patent: 4482174 (1984-11-01), Puri

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