Pipe joints or couplings – Deformed – Outwardly expanded
Patent
1994-07-18
1996-02-20
Nicholson, Eric K.
Pipe joints or couplings
Deformed
Outwardly expanded
285915, 29508, F16L 1316
Patent
active
054923760
ABSTRACT:
A connecting and fitting method is provided for metallic pipes with a small diameter. The method includes providing a piping component having a tube wall extending therefrom and defining an expanded chamber. The method further includes providing a pipe member and forming at least one circumferential discontinuity in the pipe member near one end. The end of the pipe member is then inserted through an annular sealing component and into the expanded chamber defined by the tube wall. A diameter reducing area is then formed on the tube wall at a location substantially registered with the circumferential discontinuity in the pipe member to squeeze and tightly seal the sealing component into connecting engagement with the circumferential discontinuity on the pipe member.
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Umezawa Katsushi
Usui Masayoshi
Casella Anthony J.
Hespos Gerald E.
Nicholson Eric K.
Usui Kokusai Sangyo Kaisha Ltd.
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