Title:
球技用バット
Document Type and Number:
Japanese Patent JP7162213
Kind Code:
B2
Abstract:
To provide a ball game bat having an air chamber thereby having excellent repulsion performance of a ball, the ball game bat having structure enabling air leakage from the air chamber to be effectively prevented.SOLUTION: A ball game bat A is provided which includes a striking part B which has a first member 1 having a long axial part 11, and a second member 2 having a cylinder part 21 covering the outside of the first member 1, and in which the rear end and distal end of the second member 2 are hermetically adhered to the first member 1, and an air chamber C is formed between the first member 1 and the second member 2. A first flange part 12 is provided in the distal end of the axial part 11 of the first member 1 in an extending manner in a diametrically outward direction, and a second flange part 22 is provided in the distal end of the cylinder part 21 of the second member 2 in an extending manner in a diametrically inward direction. The ball game bat A also has a sealing part 9 in which the first flange part 12 and the second flange part 22 are surface-joined, and the joint surface of the sealing part 9 exists in a direction almost orthogonal to the axial direction.SELECTED DRAWING: Figure 3
Inventors:
Hironori Kitayama
Yousuke Otsuka
Norihiro Nishikawa
Ryutaro Ogawa
Koji Muto
Shuzo Matsuno
Mizuho Okahara
Yuta Yamamoto
Yousuke Otsuka
Norihiro Nishikawa
Ryutaro Ogawa
Koji Muto
Shuzo Matsuno
Mizuho Okahara
Yuta Yamamoto
Application Number:
JP2018223550A
Publication Date:
October 28, 2022
Filing Date:
November 29, 2018
Export Citation:
Assignee:
ASICS Corporation
Mikasa Co., Ltd.
Mikasa Co., Ltd.
International Classes:
A63B59/51
Domestic Patent References:
| JP2010131355A | ||||
| JP2001095968A | ||||
| JP2005028043A |
Attorney, Agent or Firm:
Makoto International Patent Office