Title:
硬式野球用ボール
Document Type and Number:
Japanese Patent JP7269598
Kind Code:
B2
Abstract:
To provide a hardball baseball ball that enables the control of the number of rolls of the hardball baseball ball to be acquired with ease.SOLUTION: A hardball baseball ball 1 comprises a central part 2, an intermediate part 3 for covering the central part 2, and an outer layer part 4 for covering the intermediate part 3. The moment of inertia of the hardball baseball ball 1 is in the range of 433.3-630.0 g cm2 or 755.0-1055.0 g cm2.SELECTED DRAWING: Figure 1
Inventors:
Shinto ritual
Shohei Shibata
Naruo Joji
Tea garden
Kawaguchi Hidetoshi
Morita Akira
Yuto Kase
Shohei Shibata
Naruo Joji
Tea garden
Kawaguchi Hidetoshi
Morita Akira
Yuto Kase
Application Number:
JP2019035597A
Publication Date:
May 09, 2023
Filing Date:
February 28, 2019
Export Citation:
Assignee:
Shinto ritual
Mitsuno Co., Ltd.
Mizuno Technics Co., Ltd.
Mitsuno Co., Ltd.
Mizuno Technics Co., Ltd.
International Classes:
A63B37/00; A63B37/04; A63B39/00; A63B69/00
Domestic Patent References:
| JP2002210043A | ||||
| JP2017104723A | ||||
| JP201234773A | ||||
| JP200125516A | ||||
| JP201490915A | ||||
| JP6476881A |
Foreign References:
| US20080194362 | ||||
| US20090137350 | ||||
| US20050176533 |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office
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