Pipe joints or couplings – Packed – Flanged pipe
Patent
1993-06-03
1994-08-16
Nicholson, Eric K.
Pipe joints or couplings
Packed
Flanged pipe
285211, 285379, 285 12, F16L 2300
Patent
active
053380754
ABSTRACT:
A combination fluid flow port which can be used as both a full size threaded port and a full size flange port is provided with an annular ring constructed and arranged to fit closely within a counterbore in the end of a threaded hole in the port to provide a face aligned with and extending radially inwardly from the mating face of the port body for use in enclosing the O-ring seal of a flange type male half connected to the port.
REFERENCES:
patent: 1267143 (1918-05-01), Sullivan
patent: 2826436 (1958-03-01), Hupp et al.
patent: 3001804 (1961-09-01), Tomlinson et al.
patent: 3188119 (1965-06-01), Miller
patent: 3549179 (1970-12-01), Cox
patent: 4023836 (1977-05-01), Applehans
patent: 4426103 (1984-01-01), Sundholm
patent: 4647084 (1987-03-01), Hagin et al.
patent: 5000488 (1991-03-01), Albrecht
patent: 5174612 (1992-12-01), Schnell
Follmer Frank A.
Nicholson Eric K.
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