Pipe joints or couplings – Essential catch – With manipulator
Patent
1988-06-17
1990-07-03
Arola, Dave W.
Pipe joints or couplings
Essential catch
With manipulator
285423, 285915, 411383, 411411, 411908, F16L 3708
Patent
active
049385119
ABSTRACT:
For the connection of two tubes (1, 2), one coupling piece (3, 4), consisting of an external thread (7) adhered, vulcanized or fused onto the end of the tube and a pipe coupling (8) screwed onto this by means of a slide adhesive is each connected with the tube ends. By means of the one coupling piece (4), a coupling lock (5) is slid from behind, which, by means of a flange (12), abuts on a shoulder unit (11). On the free end, the coupling lock (5) supports two swivelable levers (15) with eccentric cams (16), which abut on the shoulder unit (10) of the other coupling piece (3) and press this axially against the first coupling piece (4). By means of this construction, a non-tapered cross-sectional area is achieved in the tube coupling.
REFERENCES:
patent: 720580 (1903-02-01), Greenfield
patent: 1512895 (1924-10-01), Kraft
patent: 2804320 (1957-08-01), Pearson
patent: 3245701 (1966-04-01), Leopold et al.
patent: 3264013 (1966-08-01), Richardson et al.
patent: 3784239 (1974-01-01), Carter
patent: 4059296 (1977-11-01), Panourgias
patent: 4093280 (1978-06-01), Yoshizawa
patent: 4126338 (1978-11-01), Coel et al.
patent: 4222593 (1980-09-01), Lauffenburger
patent: 4398754 (1983-08-01), Caroleo
Arola Dave W.
Econt Corporation Limited
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