Pipe joints or couplings – With assembly means or feature – Guide
Patent
1987-01-29
1988-08-30
Callaghan, Thomas F.
Pipe joints or couplings
With assembly means or feature
Guide
285322, 285379, 285390, F16L 2104
Patent
active
047671351
ABSTRACT:
In connection with a screw-type connection made of a plastic material for leading in, leading through, sealing and strain-relieving cables, lines, or the like, comprising an intermediate connecting piece with sealing body and a cap nut, the hollow cylindrical intermediate connecting piece carrying coaxially arranged clamping tongues which press the sealing body against the fitted cable when the cap nut is turned, it is proposed that the cap nut or the intermediate connecting piece be provided with catches arranged preferably in uniform distribution over the circumference and projecting towards the other part so that a preliminary fixing effect can be achieved between the cap nut and the intermediate connecting piece by mere exertion of pressure. The catches form in this case sort of an elastic preliminary thread, and the cap nut can be screwed on further immediately from its pre-assembled position. Further, projecting retaining ribs are provided on the inner faces of the clamping tongues in the ring of clamping tongues which serve to fix the sealing body provisionally in position during insertion thereof. This feature also serves to facilitate the pre-assembly operation.
REFERENCES:
patent: 1309780 (1919-07-01), Schonfarber
patent: 1947593 (1934-02-01), Hamilton
patent: 3427053 (1969-02-01), Dunlap et al.
patent: 3895832 (1975-07-01), Ellis et al.
patent: 4145075 (1979-03-01), Holzmann
patent: 4231400 (1980-11-01), Friedling et al.
patent: 4541139 (1985-09-01), Jones et al.
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