Seal device
US7699320B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2007 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Sep 6, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/33
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A seal device includes a first seal portion, a second seal portion, and a joint base, wherein the first seal portion has a first elastic portion with a flat side surface at one side of a first bight portion and a second elastic portion at the other side of the first bight portion. The second seal portion has a first symmetrical elastic portion with a flat side surface at one side of a second bight portion and a second symmetrical elastic portion at the other side of the second bight portion. A first seal face is disposed on a first outmost circumferential surface of the first elastic portion, and a second seal face is disposed on a second outmost circumferential surface of the first symmetrical elastic portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.