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Patent Searching and Data


Title:
FILM WINDING CORE, AND WOUND FILM BODY USING SAME
Document Type and Number:
WIPO Patent Application WO/2012/124305
Kind Code:
A1
Abstract:
A film winding core (10) has a cylindrical winding core main body (12), and a plurality of film support portions (14) that protrude from the outer peripheral surface (12p) of the winding core main body (12). The plurality of film support portions (14) support a film (18) at position detached from the outer peripheral surface (12p) of the winding core main body (12). The support portions (14) comprise an elastic material such as sponge, rubber, or foam, and are in the shape of a semi-cylinder, a rectangular column, or a hollow semi-cylinder. The film (18) and the winding core main body (12) do not adhere to each other, even if the film (18) wrapped around the winding core (10) contracts while in storage.

Inventors:
NOUMI SHUNSUKE (JP)
SAYANAGI SHUNICHIROU (JP)
Application Number:
PCT/JP2012/001670
Publication Date:
September 20, 2012
Filing Date:
March 09, 2012
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
NOUMI SHUNSUKE (JP)
SAYANAGI SHUNICHIROU (JP)
International Classes:
B65H75/10
Foreign References:
JPS472810B1
JPS5526193A1980-02-25
JP2009113877A2009-05-28
Other References:
See also references of EP 2684828A4
Attorney, Agent or Firm:
KAMADA, Koichi et al. (JP)
Koichi Kamata (JP)
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Claims: