Title:
FLOOR IMPULSIVE SOUND MEASURING RUBBER BALL
Document Type and Number:
Japanese Patent JP3849536
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To provide a floor impulsive sound measuring rubber ball capable of stably measuring a floor impulsive sound by preventing a characteristic from being influenced by an ambient temperature, and preventing the occurrence of a change by adhesive wear, and for easily discriminating mutual rubber balls by making a color of a plurality of rubber balls different by enabling coloring.
SOLUTION: The rubber ball 1 is molded by silicone rubber for reducing temperature dependency and the adhesive wear, and enabling coloring, and is colored with a color other than black.
Inventors:
Uehara, Shigetaka
Application Number:
JP2002000031765
Publication Date:
September 08, 2006
Filing Date:
February 08, 2002
Export Citation:
Assignee:
NOK CORP
International Classes:
G01M7/08; G01N29/12; G01M7/00; G01N29/12; (IPC1-7): G01M7/08; //G01N29/12
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