Pipe joints or couplings – Particular interface – Tapered
Patent
1986-01-28
1987-06-09
Arola, Dave W.
Pipe joints or couplings
Particular interface
Tapered
285384, 2853825, F16L 2500
Patent
active
046715452
ABSTRACT:
A female-type coupling nipple including a coupling body and a nipple. The nipple includes a cylindrical nipple section and an end section which is provided with plastic working so that its outside diameter can expand. The outside wall of the end section and inside wall of the connecting section of the coupling body are closely joined both by elastic force that acts in the directions of outside diameter expansion of the end section and reaction force of the connecting section.
REFERENCES:
patent: 882406 (1908-03-01), Morgan
patent: 1987100 (1935-01-01), Dick
patent: 3698745 (1972-10-01), Munlt
Arola Dave W.
Toyoda Gosei Co,., Ltd.
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