Pipe joints or couplings – End to side or plate
Patent
1997-11-18
1999-09-28
Arola, Dave W.
Pipe joints or couplings
End to side or plate
285197, 2852881, 2852891, 285906, F16L 4100
Patent
active
059575077
ABSTRACT:
A joint structure for a branch connector in a common rail, comprising: a main pipe rail having a conduit therein on its axis and a plurality of through holes formed in its circumferential wall at an axial spacing, each of the through holes having a pressure receiving seat formed on the circumferential face thereof and opened to the outside; a branch connector having a conduit to communicate with the conduit of the main pipe rail and including a joint head formed at the end thereof and forming a pressure seat so that the branch connector is engaged with the main pipe rail by bringing the pressure seat thereof into abutment against the pressure receiving seat of the main pipe rail; a joint fitting mounted on the main pipe rail; and a nut assembled in advance in the branch connector and fastened into the joint fitting against the pressure of the joint head thereby to joint the branch connector to the main pipe. The joint fitting is made of a cylindrical sleeve nipple having a threaded face so that the branch connector is jointed to the main pipe rail by jointing the base end of the sleeve nipple to the outer circumference of the main pipe rail in the vicinity of the pressure receiving face.
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Arola Dave W.
Budzyn Ludomir A.
Casella Anthony J.
Hespos Gerald E.
Usui Kokusai Sangyo Kaisha Limited
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