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:
Dec. 30, 2014
Filed:
Sep. 25, 2009
Keisuke Kato, Osaka, JP;
Shinya Sakurai, Osaka, JP;
Keisuke Kato, Osaka, JP;
Shinya Sakurai, Osaka, JP;
Sunstar Inc., Takatsuki-shi, JP;
Abstract
Provided is an interdental brush having a wire and filaments arranged therein by folding the wire and disposing the filaments between the wire and then twisting the wire. The interdental brush has improved filament retention and improved cleaning effectivity and reachability to minute portions. Each of filamentshas a polygonal cross section whose at least one corner portion has an interior angleas acute as 30 to 75 degrees. Specifically, an angle θof the acute corner portionis set at 1.2 to 3 times a twisting angle θof the wire. The filaments each have two or more such acute corner portions, and two or more rows of such filaments are disposed and laminated between the wire in a densely arranged manner.