Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Patent
1976-10-27
1978-06-27
Kundrat, Andrew V.
Pipe joints or couplings
With means blocking release of holding means
Auxiliary latch
285112, 285322, 285369, F16L 2102
Patent
active
040970701
ABSTRACT:
Pipe coupling for the high-strength coupling of plastic pipe ends, a coupling sleeve having internal sawtooth ridges which mesh with counter profiles on the pipe ends.
REFERENCES:
patent: 2090380 (1937-08-01), Terry
patent: 2449795 (1948-09-01), Stillwagon
patent: 2452219 (1948-10-01), Bergvall et al.
patent: 3352577 (1967-11-01), Medney
Kundrat Andrew V.
Polva Nederland B.V.
Schneider Rolf E.
Trifari Frank R.
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