Union for fluid conduits, in particular for high purity gas

Details Union for fluid conduits, in particular for high purity gas Union for fluid conduits, in particular for high purity gas

1990-04-09

1991-04-30

Arola, Dave W.

Pipe joints or couplings

Packed

Flanged pipe

285 16, 285347, 285379, 277181, 277225, F16L 1902

Patent

active

050111965

ABSTRACT:
Each end fitting of the union has an end for fixing the fluid line, and a coaxial metallic body terminating in an annular radial polished section where the internal bore of the union issues. A washer made of a deformable synthetic material is pressed on this metallic body and has a flat annular radial face which, together with the polished section, forms the free face for connecting the end fitting. A cylindrical metallic ring accommodates internally with a contact fit the two washers and a portion of the two metallic bodies, so that the two free connecting faces come to be opposite each other. Two clamping half-shells grip the two end fittings to ensure the connection of the fluid lines.

REFERENCES:
patent: 3775832 (1973-12-01), Werra
patent: 4218080 (1980-08-01), Kendrick
patent: 4496176 (1985-01-01), Weinhold

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