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:
Apr. 22, 2003
Filed:
Feb. 22, 2002
Yoichiro Mizutani, Aichi, JP;
Takenori Sawamura, Aichi, JP;
Masateru Hattori, Aichi, JP;
Masahiko Okuyama, Aichi, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A kneading device adapted for preparing calcium phosphate-based cement and for applying the cement directly to a required site which comprises a cylinder which includes a hollow cylindrical body portion and a nozzle formed at the distal end of the cylindrical body portion; a plug having an axial through-hole slidably disposed within the proximal end of the cylindrical body portion; a piston assembly which includes a shaft extending through the through-hole of the plug for axial and rotatable movement, a kneading element at the distal end of the shaft within the cylindrical body portion, and a handle formed at the proximal end of the shaft external of the cylindrical body portion; a cover member attached to and forming a closure for the nozzle and a stop member for locating the plug in position at the proximal end of the cylindrical body portion.