Tight connection device

Details Tight connection device Tight connection device

1985-03-21

1986-08-05

Arola, Dave W.

Pipe joints or couplings

Packed

With cooperating opposed packing grooves

285351, 285363, 285917, 277236, F16L 1706

Patent

active

046038922

ABSTRACT:
This invention relates to a tight connection device comprising a flexible metal joint. The joint, located in two trapezoidal grooves formed in two flanges, has in the rest condition an oval section, whereof one of the axes of symmetry is located in the plane of symmetry of the joints. The joint is in tight contact with the sides of the groove in four zones and, after securing the tie rods, is in contact with the bottom of the grooves in two zones.

REFERENCES:
patent: 1873855 (1932-08-01), Wilson
patent: 1985475 (1934-12-01), Victor
patent: 2291709 (1942-08-01), Goetze
patent: 2422009 (1947-06-01), Goetze
patent: 2898000 (1959-08-01), Hanny
patent: 3313553 (1967-04-01), Gastineau
patent: 3820799 (1974-06-01), Abbes et al.
patent: 3917294 (1975-11-01), Abbes et al.
patent: 4452462 (1984-06-01), Karr

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