Title:
BALL
Document Type and Number:
Japanese Patent JP2014012232
Kind Code:
A
Abstract:
To improve ball controllability by suppressing deviation from a trajectory when a ball flies without rotation or with a little rotation.
A surface skin material 10 includes a body part 10a, and a protruded wall part 10b protruding from a peripheral edge of the body part 10a to a side of a tube 2 as a core part. The protruded wall part 10b comes into contact with an outer peripheral surface of the tube 2. A fluid layer 40 is disposed in a space part enclosed by the protruded wall part 10b, the body part 10a and the tube 2 and stores fluid 40a inside a bag 40b. As the fluid 40a, one of gas such as air, water, oil having a viscosity higher than that of the water or a mixture of multiple ones thereof is applicable.
Inventors:
YUKI NORIHIRO
UEMURA ISAO
ICHIHASHI AKIHIRO
UEMURA ISAO
ICHIHASHI AKIHIRO
Application Number:
JP2013219642A
Publication Date:
January 23, 2014
Filing Date:
October 22, 2013
Export Citation:
Assignee:
MOLTEN CORP
International Classes:
A63B41/00; A63B41/02
Foreign References:
| US6348018B1 | 2002-02-19 | |||
| WO2005087326A1 | 2005-09-22 |
Attorney, Agent or Firm:
Keiko Marubayashi
Keisuke Marubayashi
Keisuke Marubayashi
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