Spherical annular seal member and method of manufacturing the same
US8602420B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2008 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Apr 12, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2310/14
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A spherical annular base member 33 is constructed such that a heat-resistant material 6 and a reinforcing member 5 are compressed and intertwined with each other so as to be provided with structural integrity. In an outer layer 34, a heat-resistant material 6, a solid lubricant constituted of a lubricating composition, and a reinforcing member 5 made from a metal wire net are compressed such that the solid lubricant and the heat-resistant material 6 are filled in meshes of the metal wire net of the reinforcing member 5, and the solid lubricant, the heat-resistant material 6, and the reinforcing member 5 are integrally formed in mixed form. An outer surface 36 of the outer layer 34 is formed into a smooth surface 39 in which a surface 37 constituted of the reinforcing member 5 and a surface 38 constituted by the solid lubricant are present in mixed form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.