Joint sealing bellows with sealing ring and assembly/installation method

• Publisher: Elsevier Science
• Year: 2006
• Tongue: English
• Weight: 100 KB
• Volume: 2006
• Category: Article
• ISSN: 1350-4789
• DOI: 10.1016/s1350-4789(06)71233-8

✦ Synopsis

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.