Capsule for mixing and dispensing a dental material
US10052652B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2015 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Apr 6, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05C17/00503
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A capsule for mixing and dispensing a dental material which has a body forming a cavity. The cavity is closed by a liquid container. The body and the liquid container in combination form a mixing chamber containing a first component of the dental material. The liquid container has a cup-shaped cartridge formed by a cartridge front wall and a cartridge side wall and having a rear opening. A plug is movably joined within the cartridge through the rear opening for extruding a liquid second component of the dental material. The cartridge further has a channel extending through the cartridge side wall for releasing the second component into the mixing chamber. The body side wall inwardly has a recess being dimensioned for establishing a fluid communication between the channel and the cavity in an activated position, where the activated position corresponds to a second axial position of a two different axial positions of the of the cartridge and the body relative to each other. Further the first axial position corresponds to an inactivated position in which the channel is offset from the recess. A first cover film seals the joint between the cartridge and the plug, and the channel is ope…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.