Pipe joints or couplings – With means blocking release of holding means
Patent
1994-09-30
1996-02-06
Nicholson, Eric K.
Pipe joints or couplings
With means blocking release of holding means
285316, 285319, 285308, F16L 3708
Patent
active
054891256
ABSTRACT:
A quick connect coupling for connecting two fluid conduits has a coupling ring form-lockingly connected to a sleeve which embraces the first fluid conduit between two corrugations and is provided with elastically flexible retaining arms. The arms can grip a radial securing surface of the second fluid conduit upon axial engagement of the fluid conduits to form an axial connection therebetween. A sealing ring is arranged in an annular space delimited by the mutually engaged fluid conduits, an inner shoulder of the second conduit and the front corrugation. The second conduit has a conical flank which widens radially towards its free end. In order to reduce the amount of material used on the side of the second conduit while ensuring that there is sufficiently high resistance to lateral deflection of the first conduit within the second conduit, the corrugation next to the front end of the second fluid conduit bears upon the inner face of the second conduit after insertion of the first conduit into the second conduit. A correspondingly conically shaped face of one end of the sleeve bears on the radially widening flank of the second conduit after insertion of the first conduit into the second conduit.
REFERENCES:
patent: 3847421 (1974-11-01), Eschbaugh et al.
patent: 4610468 (1986-09-01), Wood
patent: 4966398 (1990-10-01), Peterson
patent: 5141263 (1992-08-01), Varden
patent: 5310226 (1994-05-01), Norkey
patent: 5318332 (1994-07-01), Hohmann et al.
patent: 5323811 (1994-06-01), Hohmann et al.
patent: 5324081 (1994-06-01), Umezawa
patent: 5366259 (1994-11-01), Hohmann et al.
Nicholson Eric K.
Rasmussen GmbH
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