Title:
LINE DRAWING TOOL USED IN SPORT FIELD
Document Type and Number:
Japanese Patent JP2002058779
Kind Code:
A
Abstract:
To provide a line drawing tool wherein lines remains for a long period without fading away or becoming blurred, and a competition can be performed immediately after the line is drawn, while the line can be drawn any time regardless of the weather.
The line is formed by forming a rapidly curable urethane resin layer (12) on the surface of a slender block (11), the upper side of which is relatively flat, and which is composed of a foamed resin. In general, the block (11) has a longitudinal extending, in a straight line, quadratic prism shape; however, a block having an arcuate form having a predetermined radius of curvature is used as required. An anchor (14) is provided at least two points on the block.
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Inventors:
OKU HIROYUKI
KOMATSU KAZUYUKI
SHIBAHARA TOSHIHARU
ISHIBASHI YOSHIHARU
KOMATSU KAZUYUKI
SHIBAHARA TOSHIHARU
ISHIBASHI YOSHIHARU
Application Number:
JP2000250814A
Publication Date:
February 26, 2002
Filing Date:
August 22, 2000
Export Citation:
Assignee:
NIPPON TAIIKU SHISETSU KK
TOYO SPORTS SHISETSU KK
TOYO SPORTS SHISETSU KK
International Classes:
A63B71/02; A63C19/00; (IPC1-7): A63C19/00; A63B71/02
Attorney, Agent or Firm:
Shotaro Mogami
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