JPH0249573U - - Google Patents
Info
- Publication number
- JPH0249573U JPH0249573U JP12521388U JP12521388U JPH0249573U JP H0249573 U JPH0249573 U JP H0249573U JP 12521388 U JP12521388 U JP 12521388U JP 12521388 U JP12521388 U JP 12521388U JP H0249573 U JPH0249573 U JP H0249573U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- protrusions
- utility
- entire surface
- scope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Description
第１図及び第３図は本考案の遊戯用ボール、例
えば硬式テニスの練習用ボールを示し、第１図Ａ
は半球型、Ｂは円筒型突起部をもつたボールを、
ボール中央部に於いて切断し更にそれを二分割し
た断面図を示し、第３図はこれらボールを中央で
切断した外観図を示す。第２図は従来の硬式テニ
スボールを中央に於いて切断し更にそれを二分割
した断面図を示す。
１：ボール本体（中空球体部）、２：繊維層、
３：ボール表面の半球型突起部、４：ボール表面
の円筒型突起部。
1 and 3 show a game ball of the present invention, such as a practice ball for hard tennis, and FIG.
is a hemispherical ball, B is a ball with a cylindrical protrusion,
A sectional view of the balls cut at the center and further divided into two is shown, and FIG. 3 is an external view of these balls cut at the center. FIG. 2 shows a cross-sectional view of a conventional hard tennis ball cut at the center and further divided into two parts. 1: Ball body (hollow sphere part), 2: Fiber layer,
3: Hemispherical protrusion on the ball surface; 4: Cylindrical protrusion on the ball surface.
Claims (1)
を各々ほぼ等間隔をもつて設けたことを特長とす
る遊戯用ボール。 A game ball characterized in that a plurality of protrusions of the same quality as the ball are provided on the entire surface of the ball at approximately equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12521388U JPH0249573U (en) | 1988-09-27 | 1988-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12521388U JPH0249573U (en) | 1988-09-27 | 1988-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0249573U true JPH0249573U (en) | 1990-04-06 |
Family
ID=31375621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12521388U Pending JPH0249573U (en) | 1988-09-27 | 1988-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003515365A (en) * | 1999-11-18 | 2003-05-07 | キャラウェイ・ゴルフ・カンパニ | Golf ball having pyramid-shaped projections |
-
1988
- 1988-09-27 JP JP12521388U patent/JPH0249573U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003515365A (en) * | 1999-11-18 | 2003-05-07 | キャラウェイ・ゴルフ・カンパニ | Golf ball having pyramid-shaped projections |