EP0652794A1 - Inflatable ball for ball games, in particular football. - Google Patents
Inflatable ball for ball games, in particular football.Info
- Publication number
- EP0652794A1 EP0652794A1 EP93916298A EP93916298A EP0652794A1 EP 0652794 A1 EP0652794 A1 EP 0652794A1 EP 93916298 A EP93916298 A EP 93916298A EP 93916298 A EP93916298 A EP 93916298A EP 0652794 A1 EP0652794 A1 EP 0652794A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ball
- hexagons
- length
- sides
- pentagon
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 abstract description 12
- 241001212149 Cathetus Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B41/00—Hollow inflatable balls
- A63B41/08—Ball covers; Closures therefor
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2243/00—Specific ball sports not provided for in A63B2102/00 - A63B2102/38
- A63B2243/0025—Football
Definitions
- the invention relates to an inflatable ball for ball games, in particular football, comprising an outer ball having interconnected parts consisting of twelve equilateral pentagons and twenty equiangular hexagons, each pentagon being enclosed by five hexagons and, at the location of the connection between a pentagon and a hexagon, the sides connected to one another being of equal length.
- the hexagons are equilateral. It has been found that, in the inflated state, the stress in the material of the hexagons is markedly greater than the stress in the material of the pentagons. If the ball is kicked, the path through which the ball travels, the speed of the ball and the so-called spin will depend on the spot where the ball is struck. The behaviour of the ball when it bounces is also dependent on whether the ball strikes the ground with a hexagon or a pentagon. It will be obvious that such uncertainty is undesirable, in particular with top sportsmen.
- the object of the invention is to avoid the abovementioned disadvantages and to provide an inflatable ball as indicated in the preamble, whose hexagons and pentagons - in the inflated state of the ball - are subjected to essentially equal material stresses and degrees of stretch and whose spherical shape is improved.
- the ball is characterised in that each of the hexagons has three sides of relatively great length connected to a pentagon and three sides of relatively small length connected to a hexagon, and the length of the short sides is at least 0.69 times the length of the long sides.
- the length of the short sides of each hexagon will have to be 0.839 times the length of the long sides.
- the ball according to the invention does not necessarily have to comprise an inner ball, and if the ball according to the invention does have an inner ball, said inner ball will usually be glued to the outer ball consisting of pentagons and hexagons.
- Figure 1 shows a perspective view - not to scale - of a part of the ball according to the invention.
- Figures 2 and 3 show a view of a hexagonal part and a pentagonal part, respectively, used in the ball according to the invention.
- the ball according to the invention is composed of twelve equilateral pentagonal parts 1 and twenty hexagonal parts 2, each pentagon being connected to five hexagons and each hexagon being connected to three other hexagons and three pentagons.
- the hexagons are equiangular, but not equilateral, the ratio between the length of the relatively short cathetuses b and the length of the relatively long cathetuses a being at least 0.69 and preferably 0.839•
- the length of the long cathetuses a corresponds to the length of a side of a pentagon. It has been established that by choosing 0.69 a ⁇ b ⁇ a, the difference in material stress and material stretch in the pentagons and hexagons of an inflated ball is smaller than when b is smaller than O.69 a or greater than a.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Toys (AREA)
- Closures For Containers (AREA)
- Pens And Brushes (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Medicinal Preparation (AREA)
- Peptides Or Proteins (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9201381 | 1992-07-30 | ||
NL9201381A NL9201381A (en) | 1992-07-30 | 1992-07-30 | Inflatable ball for ball games, especially football. |
PCT/NL1993/000147 WO1994003239A1 (en) | 1992-07-30 | 1993-07-09 | Inflatable ball for ball games, in particular football |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0652794A1 true EP0652794A1 (en) | 1995-05-17 |
EP0652794B1 EP0652794B1 (en) | 1996-02-21 |
Family
ID=19861134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93916298A Expired - Lifetime EP0652794B1 (en) | 1992-07-30 | 1993-07-09 | Inflatable ball for ball games, in particular football |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0652794B1 (en) |
AT (1) | ATE134314T1 (en) |
AU (1) | AU4589993A (en) |
DE (1) | DE69301607T2 (en) |
DK (1) | DK0652794T3 (en) |
ES (1) | ES2085164T3 (en) |
GR (1) | GR3019843T3 (en) |
NL (1) | NL9201381A (en) |
WO (1) | WO1994003239A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004018053A1 (en) | 2002-08-20 | 2004-03-04 | Pieter Huybers | Ball with improved properties |
WO2012091592A1 (en) | 2010-12-27 | 2012-07-05 | Instituto Superior Técnico | Inflatable ball for footballing and recreational activities |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19541395C2 (en) * | 1995-11-07 | 1998-01-22 | Uhlsport Gmbh | Ball cover, in particular for soccer balls |
NL1006300C2 (en) * | 1997-06-12 | 1998-12-15 | Pieter Huybers | Outer ball with inflatable inner ball for sports purposes |
ES2152888B1 (en) * | 1999-03-24 | 2001-12-01 | Univ Oviedo | DESIGN OF A COMPACT BALL. |
AU2000276405A1 (en) * | 2000-10-10 | 2002-04-22 | Francisco Pacheco | Cover for a ball or sphere |
US6988969B2 (en) * | 2002-04-24 | 2006-01-24 | Nike, Inc. | Game ball with bridged panels |
DE102005031255A1 (en) * | 2005-07-05 | 2007-01-11 | Niemeier, Bärbel | Ball for exercising underchallenged sheepdogs or cattle dogs is made up of twelve pentagons of wear-resistant, double-layered canvas sewn together and stuffed with wadding, six bands of bite-resistant material being sewn along its edges |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2541889A1 (en) * | 1975-09-19 | 1977-03-24 | Stamm Kg Jos | Leather football manufacturing method - has each leather piece provided with layers of material to help retain its shape |
US4830373A (en) * | 1987-12-16 | 1989-05-16 | Rudolf Dehnert | Soccer ball |
FR2642978B1 (en) * | 1989-02-16 | 1991-05-10 | Badia Salvat Jaime | PROCESS FOR THE MANUFACTURE OF BALLOONS AND BALLOONS OBTAINED BY THIS PROCESS |
-
1992
- 1992-07-30 NL NL9201381A patent/NL9201381A/en not_active Application Discontinuation
-
1993
- 1993-07-09 AU AU45899/93A patent/AU4589993A/en not_active Abandoned
- 1993-07-09 AT AT93916298T patent/ATE134314T1/en active
- 1993-07-09 DE DE69301607T patent/DE69301607T2/en not_active Expired - Lifetime
- 1993-07-09 ES ES93916298T patent/ES2085164T3/en not_active Expired - Lifetime
- 1993-07-09 WO PCT/NL1993/000147 patent/WO1994003239A1/en active IP Right Grant
- 1993-07-09 DK DK93916298.8T patent/DK0652794T3/en active
- 1993-07-09 EP EP93916298A patent/EP0652794B1/en not_active Expired - Lifetime
-
1996
- 1996-05-07 GR GR960401218T patent/GR3019843T3/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9403239A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004018053A1 (en) | 2002-08-20 | 2004-03-04 | Pieter Huybers | Ball with improved properties |
WO2012091592A1 (en) | 2010-12-27 | 2012-07-05 | Instituto Superior Técnico | Inflatable ball for footballing and recreational activities |
Also Published As
Publication number | Publication date |
---|---|
EP0652794B1 (en) | 1996-02-21 |
GR3019843T3 (en) | 1996-08-31 |
AU4589993A (en) | 1994-03-03 |
DK0652794T3 (en) | 1996-03-18 |
DE69301607T2 (en) | 1996-08-29 |
DE69301607D1 (en) | 1996-03-28 |
ATE134314T1 (en) | 1996-03-15 |
NL9201381A (en) | 1994-02-16 |
WO1994003239A1 (en) | 1994-02-17 |
ES2085164T3 (en) | 1996-05-16 |
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