Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece
Patent
1984-01-23
1985-07-16
Rosenbaum, Mark
Metal working
Method of mechanical manufacture
Obtaining plural product pieces from unitary workpiece
285 3, 285141, B23P 1700, F16L 3500, E21B 1010
Patent
active
045287384
ABSTRACT:
A hanger apparatus for suspending an upright inner pipe from an outer pipe including a pair of load-bearing rings interposed between the two pipes. The inner and outer pipes have opposed frustoconical load-bearing shoulders receiving the rings therebetween. In one embodiment, both rings engage the inner and outer pipes, with an upper ring being driven outwardly into a locking position by a lower ring. In this case, the upper ring is split while the lower ring is solid. In a second embodiment, an outer ring engages both the inner and outer pipes while an inner ring is nested into the outer ring and engages the inner pipe. In this second embodiment, both rings are split.
REFERENCES:
patent: 3420308 (1969-01-01), Putch
patent: 3472530 (1969-10-01), Fowler
patent: 3592489 (1971-07-01), Baugh
patent: 3893717 (1975-07-01), Nelson
patent: 3918747 (1975-11-01), Putch
patent: 4073511 (1978-02-01), Haas et al.
patent: 4167970 (1979-09-01), Cowan
patent: 4181331 (1980-01-01), Cowan
patent: 4232889 (1980-11-01), Putch
patent: 4295665 (1981-10-01), Pierce
patent: 4319773 (1982-03-01), Lawson
Armco Inc.
Nichols Steven
Rosenbaum Mark
LandOfFree
Dual ring casing hanger does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dual ring casing hanger, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dual ring casing hanger will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1729457