Pre-loading joint flanges

Metal working – Method of mechanical manufacture – With separating – localizing – or eliminating of as-cast...

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29157R, 29238, 29252, 285 18, 285363, B23P 1900

Patent

active

041504771

ABSTRACT:
A method for use in connecting flanges of a tubular joint is disclosed. A uniform pressure is applied to the flanges of the joint up to a desired preselected, measurable compression after which the nuts and bolts used to secure the flanges together are made up hand-tight. The preselected compression applied to the flanges is then released.

REFERENCES:
patent: 375464 (1887-12-01), Thacher et al.
patent: 409008 (1899-08-01), Breymann
patent: 1311128 (1919-07-01), Kilgorin
patent: 3015883 (1962-01-01), Brown
patent: 3661408 (1972-05-01), Gibbons
patent: 3900732 (1975-08-01), Coslales

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