Plug head assemblies
US9458940B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2016 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Feb 16, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/217
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In accordance with various embodiments, a plug head assembly is provided comprising a ceramic plug head having a frustroconical geometry, wherein the ceramic plug head has a proximal terminus and a distal terminus, wherein the ceramic plug head has a first coefficient of thermal expansion (CTE), a sleeve having a frustroconical geometry conforming to the ceramic plug head and a second CTE, wherein the second CTE is greater than the first CTE, a distal retainer having a frustroconical geometry conforming to the sleeve, the distal retainer having a first engagement portion for engaging the a proximal retainer, the proximal retainer having a second engagement portion for engaging the distal retainer, and a base that couples with the proximal retainer. In addition, thick banded plug heads are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.