Method for producing sonotrodes
US5709823A · kind A · utility
37Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 16, 1996 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | Sep 16, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28D5/047
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental restoration part is produced from a ceramic material by a method ultrasonic working. The method includes forming a negative mold from a master sonotrode, forming a pre-working sonotrode from the negative mold, and ultrasonically working a workpiece using the pre-working sonotrode. The master sonotrode is then used to ultrasonically work the workpiece to form the dental restoration part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.