Metallic seal for cavity openings in liquid-nitrogen environments uses Belleville-spring preloaded washer. Due to preloading, Belleville spring/ seal washers slide and deflect to accept radial and axial movement between two sealing surfaces while remaining in sealing contact.
Belleville Spring/Seal
NASA Tech Briefs ; 8 , 2
1984-11-01
Miscellaneous
No indication
English
Analysis of Belleville spring by introducing holes
TIBKAT | 2021
|Engineering Index Backfile | 1968
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