Title:
BALL FOR SPORT
Document Type and Number:
WIPO Patent Application WO/2022/254605
Kind Code:
A1
Abstract:
The present invention provides a ball for sport comprising: a spherical outer surface layer of which at least a portion is transparent such that an internal space is visible from the outside; a tubular holding part which contains an enclosed space and which extends inside the internal space so as to join two poles of the outer surface layer; and a held object which is visibly held inside the enclosed space between the two poles. The tubular holding part is twisted into a spiral shape from pole to pole. The tubular holding part is twisted 180° through 270° from pole to pole.
Inventors:
KATSURAYAMA SHINJI (JP)
TAKAGI AKIO (JP)
ISHIKAWA MITSUYOSHI (JP)
TAKAGI AKIO (JP)
ISHIKAWA MITSUYOSHI (JP)
Application Number:
PCT/JP2021/020979
Publication Date:
December 08, 2022
Filing Date:
June 02, 2021
Export Citation:
Assignee:
KATSURAYAMA SHINJI (JP)
International Classes:
A63B41/00; A63B43/00; A63B69/00
Foreign References:
| JPS62183886U | 1987-11-21 | |||
| JP3119091U | 2006-02-16 | |||
| JP2000061003A | 2000-02-29 | |||
| JPH0924128A | 1997-01-28 | |||
| JP2019069083A | 2019-05-09 | |||
| US20110251029A1 | 2011-10-13 | |||
| JP3232650U | 2021-07-01 |
Attorney, Agent or Firm:
KYORITSU INTERNATIONAL (JP)
Download PDF:
Previous Patent: ASSESSMENT DEVICE, ASSESSMENT METHOD, AND PROGRAM
Next Patent: SHAPING APPARATUS AND SHAPING METHOD
Next Patent: SHAPING APPARATUS AND SHAPING METHOD