Dispenser and method for dispensing dental material
US8684229B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2007 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Jun 25, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F27/27
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention is preferably directed to a dispenser of the type sold by 3M ESPE under the trade name Pentamix and as also described above. Such a dispenser preferably comprises at least a first and a second compartment for a first reservoir and a second reservoir, respectively, the first and the second reservoirs containing a first and a second component for the dental material, respectively. It further preferably comprises a first and a second plunger driven by a first drive for advancing the first and the second components from the first and the second reservoirs, respectively. Moreover, a dynamic mixer driven by a second drive for automatically mixing the first and second components to form the dental material from the first and second components is provided. Such a dispenser further preferably has a dispensing portion or mixing tip for dispensing the mixed dental material. The present invention is more particularly directed to a dispenser or method adapted for advancing and mixing at least one dental material, comprising at least one drive which is operated on a predetermined, non-uniform drive speed profile. Preferably an advancing speed profile is provided for advanci…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.