Pipe joints or couplings – With magnetic element
Patent
1992-06-03
1993-11-16
Arola, Dave W.
Pipe joints or couplings
With magnetic element
285 61, 285150, 285423, 285901, 2482065, F16L 2500
Patent
active
052617041
ABSTRACT:
This invention relates to an air manifold having a plurality of apertures communicating with each other interiorally of the air manifold, wherein one of the apertures is adapted to communicate with a compressed air source, and the other apertures are adapted to selectively receive either closing means for maintaining the compressed air source interiorally of the manifold or compressed air conduits for communication with the compressed air source.
REFERENCES:
patent: 2652069 (1953-09-01), Goheen
patent: 3917318 (1975-11-01), Legris
patent: 3934605 (1976-01-01), Legris
patent: 4567546 (1986-01-01), Zeller et al.
patent: 4709947 (1987-12-01), Kniess
patent: 4957266 (1990-09-01), Ellis
patent: 5090740 (1992-02-01), Creager et al.
Araujo Mario
Elgez Ron
Arola Dave W.
Gierczak Eugene J. A.
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