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:
May. 24, 2016
Filed:
Mar. 09, 2012
Shunsuke Noumi, Osaka, JP;
Shunichirou Sayanagi, Osaka, JP;
Shunsuke Noumi, Osaka, JP;
Shunichirou Sayanagi, Osaka, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
A film winding core () of the present invention includes a bearing portion (), a plurality of blade portions, and a plurality of film supporting portions (). The bearing portion () constitutes a tubular portion into which a shaft used to rotate the film winding core () is to be inserted. The plurality of blade portions () are provided respectively at a plurality of positions in a rotational direction of the bearing portion () and respectively extending outwardly from the bearing portion () so as to partition a space around the bearing portion () in the rotational direction. The plurality of film supporting portions () are respectively provided at positions outward from leading edges of the blade portions (), and has an outwardly protruding shape so that a film () is supported away from the film winding core () between the film supporting portions () that are adjacent to each other in the rotational direction.