Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Patent
1987-04-14
1988-12-13
Arola, Dave W.
Pipe joints or couplings
With means blocking release of holding means
Auxiliary latch
285 90, 285315, 285322, 405251, F16L 1500
Patent
active
047905719
ABSTRACT:
The quick-coupling connector assembly for pipes, piles or the like is constituted of a pair of half-couplers, male and female respectively, capable of being connected to the ends of the pipe to be joined. The male half-coupler possess, on its external surface, an annular raised profile capable of being coupled with a corresponding annular raised profile present on the internal surface of the female half-coupler close to its end, the female half-coupler being equipped, starting from its end, wih axial slits defining, along its entire surface, a plurality of outwardly elastically flexible lamellar elements, adapted to permit the fitting of the female half-coupler over the male half-coupler and the coupling together of the respective raised annular profiles. An axially movable ring is also provided, capable of being fitted over the female half-coupler and of being blocked in position for preventing radial deformations at the end of zone of the female half-coupler itself.
REFERENCES:
patent: 1234537 (1917-07-01), Goodall
patent: 1799941 (1931-04-01), Wulle
patent: 2784987 (1957-03-01), Corcoran
patent: 3071188 (1963-01-01), Rawlins
patent: 3394950 (1968-07-01), Jensen
patent: 3394954 (1968-07-01), Sarns
patent: 3455579 (1969-07-01), Olliff et al.
patent: 3600007 (1971-08-01), Morris
Montanari Paolo
Sala Oneglio
Arola Dave W.
Dubno Herbert
Riva Calzoni S.p.A.
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