Title:
SPHERICAL BODY FOR GAME, ITS MANUFACTURING METHOD, AND METHOD AND APPARATUS FOR FORMING RUGGEDNESS ON SPHERICAL BODY SURFACE
Document Type and Number:
Japanese Patent JP2005205137
Kind Code:
A
Abstract:
To provide a new spherical body for game which has various surface patterns and is subjected to a robust surface treatment, and to provide its manufacturing method.
The apparatus is provided with: a vessel with bottom, in which hard rugged face is formed on its inner surface; a slope, which descends from the center of a bottom part to an outer periphery, on the bottom surface of the vessel; projecting parts at proper places on the inner surface of the vessel; and reverse rotation means in the side and bottom parts of the vessel.
Inventors:
MATSUMOTO TERUMITSU
Application Number:
JP2004048710A
Publication Date:
August 04, 2005
Filing Date:
January 22, 2004
Export Citation:
Assignee:
MATSUMOTO TERUMITSU
International Classes:
A63B37/00; A63B37/12; A63B37/14; A63B45/00; (IPC1-7): A63B37/00; A63B37/12; A63B37/14; A63B45/00