Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent
1986-10-24
1988-03-01
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Particular tool-engaging means or with tool
2853323, 285355, 285424, 285906, A16L 3500
Patent
active
047281278
ABSTRACT:
A pipe joint for thin-walled tubes (13, 14) is provided for transmission of water. The pipe joint includes a male portion (11) and a female portion (12) both of which having pressure cut threads (18, 21). At mounting thereof these portions (11, 12) are threadably engaged so that a seal ring (25) received in an annular extension (23) of the female portion (12) is brought into engagement with a conical portion (16) of said male portion (11) so as to provide tightening of said pipe joint.
REFERENCES:
patent: 2150221 (1939-03-01), Hinderliter
patent: 2476656 (1949-07-01), Golbraith
patent: 3041077 (1962-06-01), Osterloh et al.
Arola Dave W.
Sandvik AB
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