๐”– Bobbio Scriptorium
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Nonstandard method of sealing with rubber rings

โœ Scribed by V. V. Zimin


Publisher
Springer
Year
1991
Tongue
English
Weight
310 KB
Volume
27
Category
Article
ISSN
0009-2355

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Joint sealing bellows with sealing ring
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This patent describes the manufacture of a seal with graded properties that may be used as the bearing seal in a down-hole rock bit. A property gradient is formed in a seal, or a section of the seal, from the exterior surface inwards without changing the seal composition.