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Patent Searching and Data


Title:
CORE LID MEMBER AND FILM ROLL
Document Type and Number:
WIPO Patent Application WO/2017/022371
Kind Code:
A1
Abstract:
Provided is a core lid member that can minimize the entry of dust into the core of a film roll and has superior working properties when conveyed using a support rod. Also provided is a film roll provided with the core lid member. This core lid member, which is to be placed on the axial ends of a cylindrical core on which a film is wound, is characterized by comprising: a main lid body (11) having a cut-out section (14) formed on an outer edge and penetrating in the axial direction; an auxiliary lid member (12) that is fitted into the cut-out section; and a connecting member (13) that is flexible and connects the main lid body and the auxiliary lid member. The core lid member is further characterized by the shape formed by the main lid body and the auxiliary lid member when the auxiliary lid member is fitted into the cut-out section of the main lid body being a shape that covers the openings on the ends of the core. The film roll comprises: a cylindrical core (31); a film (32) wound onto this core; and the aforementioned core lid member placed on an axial end of the core.

Inventors:
KIMURA HIROKI (JP)
Application Number:
PCT/JP2016/069238
Publication Date:
February 09, 2017
Filing Date:
June 29, 2016
Export Citation:
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Assignee:
KURARAY CO (JP)
International Classes:
B65H75/18
Foreign References:
JP2006182522A2006-07-13
JP2004136946A2004-05-13
JP2010091736A2010-04-22
Attorney, Agent or Firm:
AMANO Kazunori (JP)
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