Artificial porcelain tooth manufacturing
US4214356A · kind A · utility
2Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1978 |
| Grant date | Jul 29, 1980 |
| Priority date | — |
| Expiry date | Feb 2, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49988
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The method and apparatus for manufacturing an artificial tooth crown which involves the formation of a metal crown, coating the crown with porcelain materials and subjecting the coated crown to high frequency vibrations of the order of 15 to 50 Hz to condense the porcelain materials and remove air and liquid therefrom prior to firing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.