Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1978-05-26
1979-08-21
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277129, 138 99, 285 15, 285363, F16L 5510, F16J 1540
Patent
active
041650808
ABSTRACT:
A packing sealer plug for use with valve flanges or the like. The packing sealer plug is adapted to be used in tapped openings leading to the interface between the valve flanges or other types of fittings in which packing is to be introduced by a high pressure packing gun. The plug is comprised of an externally threaded end insertable in the opening and an axial passage way leading to an opposite end of the plug which has a threaded opening adapted to receive a nozzle of the packing gun or the like for introduction of the packing. The end of the plug adjacent the threaded opening has a hexagonal square or circular exterior for reception of a wrench for connecting the plug to the flange opening. A cut-off passage way intersects with the axial passage way radially and is threaded to receive a cut-off bolt to seal the plug. The externally threaded end of the plug has a solid end with a circumferential groove adjacent to it and radial ports communicating with the axial passage way in order that packing can be expelled through the ports and the grooves substantially 360 degrees around the plug to insure even distribution of the packing.
REFERENCES:
patent: 1285430 (1918-11-01), Sheppy
patent: 1677486 (1928-07-01), Nelson
patent: 1954454 (1934-04-01), McFarland
patent: 3467141 (1969-09-01), Smith
patent: 3550638 (1970-12-01), Smith
patent: 3770301 (1973-11-01), Adams
patent: 3907442 (1975-09-01), Reid
Robbins Glenn K.
Ward, Jr. Robert S.
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