An apparatus and method for forming or repairing a well-bore casing, a pipeline, or a structural support is disclosed. An expandable tubular member is radially expanded and plastically deformed by an expansion cone that is displaced by hydraulic pressure. Before or after the radial expansion of the
Floating seal
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 231 KB
- Volume
- 2008
- Category
- Article
- ISSN
- 1350-4789
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โฆ Synopsis
This patent is concerned with the duo-cone type of mechanical face seal that is used in earthmoving equipment applications. Elastic layers (28, 29) are used on the conical surfaces of the seal rings and housing respectively. The purpose is to inhibit entrainment of debris.
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