Pipe joints or couplings – With assembly means or feature – Guide
Patent
1982-09-01
1985-09-10
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Guide
285 50, 285363, 29256, F16L 3500
Patent
active
045401993
ABSTRACT:
A jack bolt assembly for separating joined first and second flange members of a flange assembly including a longitudinally extending, generally rod-shaped jack bolt member adapted to extend between first and second flange members of the flange assembly and a thrust member, the jack bolt member having a primary threaded portion for threadedly engaging at least one of the openings formed in the first flange member, a radial engaging surface, and a thrust member receiving portion in axial alignment with the primary threaded portion, the thrust member mounted with the thrust member receiving portion and between the first and second flange members for separating the flange members of the flange assembly upon rotation of the jack bolt member with respect to the first flange member of the flange assembly.
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patent: 4209177 (1980-06-01), Hull
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