Cavity ring for a disc-molding die

- Seikoh Giken Co., Ltd.
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Description

FIG. 1 is a perspective view of a cavity ring for a disc-molding die;

FIG. 2 is a front view thereof, a rear view, a right side view, and a left side view being the same as the front view;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom view thereof.

Claims

The ornamental design for a cavity ring for a disc-molding die, as shown and described.

Referenced Cited
U.S. Patent Documents
3170414 February 1965 Harrington et al.
3942755 March 9, 1976 Robinson
4071360 January 31, 1978 Mannino, Jr.
4648915 March 10, 1987 Ibata et al.
4792297 December 20, 1988 Wilson
6299430 October 9, 2001 Wallace
Patent History
Patent number: D520034
Type: Grant
Filed: Nov 17, 2004
Date of Patent: May 2, 2006
Assignee: Seikoh Giken Co., Ltd. (Chiba)
Inventors: Yasuyoshi Sakamoto (Kamagaya), Katsuyuki Hiki (Narashino)
Primary Examiner: Antoine D. Davis
Assistant Examiner: Patricia Palasik
Attorney: Olson & Hierl, Ltd.
Application Number: 29/217,444
Classifications
Current U.S. Class: Molding Or Casting (D15/135)