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:
Aug. 25, 2015
Filed:
Apr. 20, 2011
Nobutoshi Yamaguchi, Tokyo, JP;
Hironobu Akizumi, Tokyo, JP;
Yusaku Andoh, Tokyo, JP;
Tokuyama Dental Corporation, Tokyo, JP;
Abstract
[Problems] To fill a container with a material without applying a high pressure to the material that is to be filled. [Means for Solution] An ejection devicecomprises a filling chamberformed in a cylindrical member for containing a material to be filled, a discharge portionhaving a discharge nozzlefor pouring out the filled material to the exterior, and a pistonthat pushes the filled material toward the front end side of the filling chamberto discharge the filled material through the discharge nozzle. In the ejection device, the discharge portionis formed separately from the filling chamberand in a manner to be fitted to an opening on one end side of the cylindrical member, the opening serving as a filling port for filling the material to be filled, and after the material to be filled is poured into the filling chamberthrough the filling port, the discharge portionis coupled to the filling chamber