Pipe joints or couplings – Packed – Screw thimble-gland
Patent
1982-01-12
1984-01-24
Scanlan, Jr., Richard J.
Pipe joints or couplings
Packed
Screw thimble-gland
285368, 285 18, 285 39, 138 89, F16L 1900, F16L 2300, F16L 3500
Patent
active
044272227
ABSTRACT:
The invention relates to a device for the tight joining of two parts comprising tightening means of the screw-nut type compressing a gasket between the two parts.
A compression part and an elastic O-ring constituted by an internal spring with contiguous turns, which is closed on itself and fitted into at least one envelope are placed between the tightening means and one of the parts in order to permit the tightening of the assembly by an auxiliary system, followed by the tensioning of the tightening means by elastic restoration of the ring after fitting tightening means and slackening or releasing the auxiliary system.
Application to the joining of two pipes and to the sealing of a container by means of a plug.
REFERENCES:
patent: 1783410 (1930-12-01), Cowell
patent: 2165051 (1939-07-01), Hering
patent: 2328898 (1943-09-01), Goff et al.
patent: 3103956 (1963-09-01), Focht
patent: 4124230 (1978-11-01), Ahlstone
patent: 4150477 (1979-04-01), Orr
Abbes Claude
De Villepoix Raymond
Piednoir Robert
Rouaud Christian
Commissariat a l''Energie Atomique
Scanlan, Jr. Richard J.
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