The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2014
Filed:
May. 28, 2009
Jens Gramann, Munich, DE;
Ruediger Hampe, Landsberg, DE;
Thomas Klettke, Diessen, DE;
Ingo R. Haeberlein, Weilheim, DE;
Christoph Schulte, Windach, DE;
Andreas R. Maurer, Langenneufnach, DE;
Martin Goetzinger, Eching a.Ammersee, DE;
Sebastian Guggenmos, Peissenberg, DE;
Jens Gramann, Munich, DE;
Ruediger Hampe, Landsberg, DE;
Thomas Klettke, Diessen, DE;
Ingo R. Haeberlein, Weilheim, DE;
Christoph Schulte, Windach, DE;
Andreas R. Maurer, Langenneufnach, DE;
Martin Goetzinger, Eching a.Ammersee, DE;
Sebastian Guggenmos, Peissenberg, DE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A nozzle head () for a powder jet device (), for use in applying dental material, comprises a first fluid flow path () for delivering a powder/fluid mixture to a first discharge nozzle (A). A second fluid flow path () is provided for delivering a liquid to a second discharge nozzle (A) located adjacent the first discharge nozzle (A), so that the materials discharged by the first and second discharge nozzles combine at a desired location to form a dental composition. A nozzle-clearing member () is located inside the nozzle head and is movable to remove powder material from the first discharge nozzle when the flow of powder/fluid mixture to the nozzle ceases.