Pipe joints or couplings – With indicator – alarm or inspection means
Patent
1987-01-28
1989-08-08
Arola, Dave W.
Pipe joints or couplings
With indicator, alarm or inspection means
285268, 285906, 738658, 738665, F16L 3500
Patent
active
048546143
ABSTRACT:
A two-part type cable insert nozzle has spherical seats formed on a female die and a male die. An automatic restoring member restores the female die to coaxial alignment with the male die. The automatic restoring member may include a pressing element surrounding the male die between a nozzle holder for coupling together the female die and the male die and a flange portion fixedly secured to the outer circumference of a tubular portion of the male die and spaced from and opposed to the nozzle holder. Alternatively, the member may be a spring provided within cable insert holes extending through the male die and the female die.
REFERENCES:
patent: 713347 (1902-11-01), Reilly
patent: 745482 (1903-12-01), Connelly
patent: 826454 (1906-07-01), Timmer
patent: 3411373 (1968-11-01), Zieber et al.
patent: 3477748 (1969-11-01), Tinsley
patent: 4322098 (1982-03-01), Worshowsky
Iwamoto Keiichi
Torichigai Masaaki
Arola Dave W.
Mitsubishi Jukogyo Kabushiki Kaisha
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