Pipe joints or couplings – Connector for conduit housing electromagnetic line: – Having box and connector
Patent
1987-10-05
1989-05-16
Callaghan, Thomas F.
Pipe joints or couplings
Connector for conduit housing electromagnetic line:
Having box and connector
285179, 285423, F16L 4702
Patent
active
048304107
ABSTRACT:
A pipe connecting member of plastics material for pressurized fluid lines. The pipe connecting member has sleeve portions and a middle portion extending between and connecting the sleeve portions. The sleeve portions receive in a tightly sealed manner the pipes to be connected. The middle portion has an outer surface which is circular in cross-section. The middle portion has a wall thickness which changes continuously in circumferential direction and an inner surface with two inner surface area portions which extend eccentrically relative to the outer surface of the middle portion. The middle portion has the greatest wall thickness where it intersects the plane extending through the sleeve axes.
REFERENCES:
patent: 1960557 (1934-05-01), Snyder
patent: 2157274 (1939-05-01), Williams
patent: 2670224 (1954-02-01), Markl
patent: 3850459 (1974-11-01), Blumenkranz et al.
patent: 4036513 (1977-07-01), Loftus et al.
patent: 4440712 (1984-04-01), Imgram
patent: 4671544 (1987-06-01), Ortloff
Callaghan Thomas F.
Georg Fischer AG
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