<p>A device for dispensing a dental composition comprises a piston for extruding a component of the dental composition from a container. The device has a roller drive for displacing the first piston. The roller drive comprises cooperating first and second rollers, and each of the rollers have a roller surface with a radial rib profile. The rollers are arranged for rolling with their roller surfaces on one another. The invention may help providing for a relatively reliable and compact device.</p>
申请公布号
EP2501325(B1)
申请公布日期
2014.12.17
申请号
EP20100782137
申请日期
2010.11.17
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
GRAMANN, JENS;HARRE, MANFRED;KELZ, RALF;RICHTER, CHRISTIAN A.;WATZEK, KARIN;DOENMEZ, OEZCAN;JELOVAC, EMIR