Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1986-01-27
1987-04-14
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29157R, 29428, 49506, 49477, B21D 5300
Patent
active
046567143
ABSTRACT:
In a nozzle dam assembly wherein a flange ring is affixed around a circular nozzle opening in a chamber wall, a support frame spans and is in non-threaded connection with the ring by releasable pins which carry under tension any load on the frame directed axially out of the nozzle into the chamber, and a circular dam with a sealing diaphragm disposed over it is attachable to the frame with its rim within the nozzle so that inflatable peripheral sealing means on the diaphragm effect the desired seal of the nozzle independent of the aforementioned axial load.
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Britz, Bergendahl and Steed, Radiological Experiences with Steam Generator Nozzle Dam Installations at Salem Nuclear Generation Station (Oct. 1983), pp. 65-76.
Alden and Kosky Products and Services to Improve PWR Steam Generator Maintenance (Apr. 1983), pp. 1-8.
Evans Cliff
Obligado Alvaro
Zezza Louis J.
Automation Industries, Inc.
Brown Charles J.
Carten Francis N.
Flattery Thomas
Goldberg Howard N.
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