Pipe joints or couplings – With assembly means or feature – Inserted section
Patent
1989-11-22
1991-04-30
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Inserted section
2851331, 285175, 285302, 285354, F16L 3904
Patent
active
050111930
ABSTRACT:
In order to couple in a tight and dismantlable manner the ends of two fixed, rigid tubes (10, 12), more particularly in an aircraft fuel transfer circuit, use is made of a connecting sleeve (20), whereof a first end is tightly fixed by means of a nut (30) to a half-coupling (28) welded to a first (10) of the tubes. The second end (20c) of the sleeve can tightly slide on the other tube (12), which gives access to a device (40) connecting two internal tubes (14, 16) in a double envelope circuit.
REFERENCES:
patent: 896204 (1908-08-01), Glauber
patent: 1912299 (1933-05-01), Parker
patent: 3451698 (1969-06-01), Chakroff
patent: 3847421 (1974-11-01), Eschbaugh et al.
patent: 4135742 (1979-01-01), Anderson
patent: 4687232 (1987-08-01), Zimmerman
patent: 4776617 (1988-10-01), Sato
Arola Dave W.
Meller Michael N.
Societe Nationale Industrielle et Aerospatiale
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