Device for separating flange pipes

Details Device for separating flange pipes Device for separating flange pipes

1976-05-21

1977-04-05

Jones, Jr., James L.

Metal working

Means to assemble or disassemble

Spreading parts apart or separating them from face to face...

254100, B23P 1904

Patent

active

040153240

ABSTRACT:
Pipe flanges of a flanged-pipe joint are separated for replacement of seals or any other purpose by fitting an expandable plug into a bore of one of the flanges, inserting a plate in the gap between the flanges and threading a screw into the expandable plug to cause the latter to grip the wall of the bore while the screw bears against the plate to push the flanges apart. The expandable plug preferably comprises an internal wedging core which displaces outwardly the segments from which the outer member of the plug is formed, the segment being externally toothed to grip the wall.

REFERENCES:
patent: 1804935 (1931-05-01), Jacobus
patent: 2159593 (1939-05-01), Klermund
patent: 3107419 (1963-10-01), Sandifer
patent: 3426752 (1969-02-01), Laico

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