Winding core

- Nitto Denko Corporation
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Description

FIG. 1 is a perspective view of a first embodiment of the winding core;

FIG. 2 is a front view thereof;

FIG. 3 is a plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a sectional view thereof taken at 6-6 of FIG. 3;

FIG. 7 is a reference view thereof showing the actual use;

FIG. 8 is a perspective view of a second embodiment of the winding core;

FIG. 9 is a front view thereof;

FIG. 10 is a plan view thereof;

FIG. 11 is a bottom view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a sectional view thereof taken at 13-13 of FIG. 10;

FIG. 14 is a reference view thereof showing the actual use;

FIG. 15 is a perspective view of a third embodiment of the winding core;

FIG. 16 is a front view thereof;

FIG. 17 is a plan view thereof;

FIG. 18 is a bottom view thereof;

FIG. 19 is a right side view thereof;

FIG. 20 is a sectional view thereof taken at 20-20 of FIG. 17; and,

FIG. 21 is a reference view thereof showing the actual use.

The portions shown in broken lines do not form part of the claimed design.

Claims

The ornamental design for a winding core, as shown and described.

Referenced Cited
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3540669 November 1970 Schmidt et al.
3579859 May 1971 Malenge
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4576364 March 18, 1986 O'Fearna
5070597 December 10, 1991 Holt et al.
5943836 August 31, 1999 Kassardjian
6189575 February 20, 2001 Ions et al.
6204584 March 20, 2001 Muszynski
6226865 May 8, 2001 Tanikawa et al.
D513471 January 10, 2006 Sato et al.
D534416 January 2, 2007 Kelleghan
D549753 August 28, 2007 Kanemitsu
7364111 April 29, 2008 Schleucher
20050076602 April 14, 2005 Routhier
Foreign Patent Documents
47-2810 January 1972 JP
1-162467 November 1989 JP
2004-106225 April 2004 JP
2005-298094 October 2005 JP
Patent History
Patent number: D668131
Type: Grant
Filed: Feb 25, 2011
Date of Patent: Oct 2, 2012
Assignee: Nitto Denko Corporation (Osaka)
Inventors: Shunsuke Noumi (Osaka), Shunichiro Sayanagi (Osaka)
Primary Examiner: Cynthia Underwood
Attorney: Dennis R. Haszko
Application Number: 29/386,262
Classifications
Current U.S. Class: D8/356