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The ornamental design for a cavity ring for a disc-molding die, as shown and described.
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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.
Sakamoto, Yasuyoshi, Hiki, Katsuyuki
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4071360, | Jan 19 1976 | Borg-Warner Automotive Transmission & Engine Components Corporation | Method of forming a friction disc member |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 09 2004 | SAKAMOTO, YASUYOSHI | SEIKOH GIKEN CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016046 | /0298 | |
Nov 09 2004 | HIKI, KATSUYUKI | SEIKOH GIKEN CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016046 | /0298 | |
Nov 17 2004 | Seikoh Giken Co., Ltd. | (assignment on the face of the patent) | / |
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