WO2012126442A1 - Balle - Google Patents

Balle Download PDF

Info

Publication number
WO2012126442A1
WO2012126442A1 PCT/CZ2011/000029 CZ2011000029W WO2012126442A1 WO 2012126442 A1 WO2012126442 A1 WO 2012126442A1 CZ 2011000029 W CZ2011000029 W CZ 2011000029W WO 2012126442 A1 WO2012126442 A1 WO 2012126442A1
Authority
WO
WIPO (PCT)
Prior art keywords
ball
extending
walls
interior
wall
Prior art date
Application number
PCT/CZ2011/000029
Other languages
English (en)
Inventor
Joacim BERGSTRÖM
Original Assignee
20Ten Sports, S.R.O.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 20Ten Sports, S.R.O. filed Critical 20Ten Sports, S.R.O.
Publication of WO2012126442A1 publication Critical patent/WO2012126442A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B43/00—Balls with special arrangements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0098—Rigid hollow balls, e.g. for pétanque
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B43/00—Balls with special arrangements
    • A63B2043/001—Short-distance or low-velocity balls for training, or for playing on a reduced area
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/22—Field hockey

Definitions

  • the present invention relates to a ball and in particular to a floor ball having improved properties, in particular a more uniform stiffness and improved aerodynamic behaviour.
  • the object of the present invention is to provide a ball, in preferred embodiments a floor ball, which has improved flight properties, and which thereby can be more easily controlled when shooting and passing the ball.
  • These reinforcement members in one embodiment comprise partition walls, thus creating compartments inside the ball.
  • the walls can be solid, but in other embodiments they can be provided with slits or openings.
  • the slits can extend across the entire interior of the ball.
  • the slit is provided where the wall connects to the interior surface of the ball.
  • the interior of the ball is subdivided in at least two compartments by at least one wall extending across the interior of the ball, said wall(s) constituting the reinforcement element(s).
  • these reinforcement members comprise elongated elements arrange in parallel across the interior of the ball.
  • the elongated elements can be provided in arrays in which case they will resemble the above mentioned walls with slits. Or they can be distributed in a "random" manner.
  • the partition walls will also have the effect of stabilizing the flight of the ball. Namely, when a prior art floor ball flies through the air, air will enter through the openings and also pass through the ball and exit through other openings. This will cause turbulent flow within the ball and also in the near vicinity of the outer surface of the ball. Such turbulence is stochastic and will cause an uncontrolled trajectory, which means that a player cannot with certainty pass the ball to where he or she would want to.
  • the partition walls will reduce the turbulence to a great extent, and the trajectory is much more predictable. Another advantage is that a ball having walls according to the invention will be much more shape stable, calculated to be about 20% more shape stable. The bounce will also improve in terms of being more uniform, and thus predictable.
  • Fig. la shows a half shell for a ball according to one embodiment of the invention showing the interior in a view from above;
  • Fig. lb is a perspective view of the half-shell of Fig. la;
  • Fig. 2 is a side view of the half shell shown in Fig. 1 ;
  • Fig. 3a is a cross-section of a half shell along the line 3a-3a in Fig. 1 ;
  • Fig. 3b is a cross-section of a half shell along the line 3b-3b in Fig. 1 ;
  • Fig. 4a shows a half shell of a second embodiment of ball according to the invention showing the interior in a perspective view
  • Fig. 4b shows a ball according the embodiment of Fig. 4a in cross-section
  • Fig. 4c shows a half shell of a third embodiment of ball according to the invention showing the interior in a perspective view;
  • Fig. 4d shows a ball according the embodiment of Fig. 4c in cross-section
  • Fig. 5 shows the dimple shape and pattern according to the present invention on a ball with a part broken away.
  • the ball according to the present invention is manufactured by moulding half-shells in a suitable polymer material, preferably Polyethylene, but other materials are equally useful, such as Polyurethane (TPU), just to mention a few, and then welding such half-shells together so as to form a complete ball.
  • a suitable polymer material preferably Polyethylene, but other materials are equally useful, such as Polyurethane (TPU), just to mention a few, and then welding such half-shells together so as to form a complete ball.
  • TPU Polyurethane
  • the invention entails the provision of reinforcement elements extending across the interior of the ball. These reinforcement elements can be provided as partition walls, pins or ribs, provided in linear arrays or randomly distributed inside the ball.
  • Figs, la and b illustrates a half-shell 10 for making one embodiment of the ball according to the invention, wherein there are provided four partition walls 11, 12, 13, 14 which result in the provision of four internal compartments 1 1 ', 12', 13', 14' in the finished ball.
  • the number of compartments and hence the number of partition walls are not necessarily four, as shown. In the extreme there is only one wall extending across the interior of the ball in a plane spanned by the diameter, thereby subdividing the ball interior in two compartments. However, there can be a plurality of compartments, such as any of three, four, five, six, seven, eight, nine or ten compartments, which of course requires a plurality of walls.
  • tubular structure 15 extending between the "poles" of the ball.
  • a “pole” for the purpose of this application is taken to mean the apex of a half-shell.
  • the half-shell in this embodiment has a plurality of circular openings 16 distributed over the envelope surface thereof, with a finite spacing between them.
  • One of these openings 20 is arranged at the pole. This opening is not visible in Figs, la and lb but in Fig. 2 it can be seen at the bottom where the arrow points.
  • the tubular structure 15 is indicated and visible through one of the openings 16 in the surface.
  • the finished ball will have one opening 20 at each pole and a tubular structure 15 extending between said openings 20.
  • the radial angular distribution of the walls is such that they pair-wise span an angle of 90°, i.e. they are uniformly distributed.
  • other angles are of course possible, and if there are more than four walls or if they should be non-uniformly distributed of course the angles will be smaller, at least between some pairs of walls.
  • the walls are uniformly distributed regardless of the number of walls.
  • Fig. 3a which is a cross-section along the line 3a-3a in Fig. la, it is clearly seen how the partition walls 11 and 13 extend across the interior of the ball and connect to the tubular structure 15.
  • Fig. 3b cross-section along line 3b-3b in Fig. la
  • the tubular structure 15 is hollow and extends from an opening 20 at the apex ("pole") of the half-shell.
  • the tubular structure has a circular cross-section.
  • the tubular structure ahs the same inner diameter as the diameter of the openings 16.
  • the walls are solid. However, it is possible to provide slits 17 or openings in the walls.
  • slits or openings could have various shapes, such as elongated slits, circular or square openings. The provision of such openings could have the beneficial effect that the air flowing into the compartment through the openings 16 would tune the air flow through the ball walls and in that way we can control and adjust the flight speed of the ball. Examples of slit shaped openings 17 are shown in Fig. 3a in broken lines, to indicate that these slits are optional.
  • One example shows a slit extending partially along the wall, and another example shows the slit extending all the way to the inner wall of the ball itself, and in a further and preferred example the slit 17' is provided where the wall connects to the interior surface of the ball, such that the slit opening is delimited by one straight line and one curved line.
  • Figs. 4a-d illustrates a further embodiment, wherein there are provided reinforcement elements in the form of elongated members extending across the interior of the ball. These members can be laid out in regular arrays or randomly.
  • Figs. 4a and 4b show a particular embodiment of the reinforcement elements according to the invention.
  • Fig. 4a shows a half shell 10 wherein there are provided a plurality of reinforcement elements in the form of pins 42 with a circular cross-section. The pins are distributed "randomly", i.e. they are not laid out in linear arrays. However, it is equally within the inventive concept to arrange the pins in arrays.
  • Fig. 4b is a cross-section through a ball perpendicular to the "equator" 56, i.e. the weld, showing how the pins 42 of each half-shell meet and are welded together.
  • Figs. 4c and d a still further embodiment is shown.
  • the reinforcement elements 42 have a rectangular cross-section. Otherwise the function is the same as for the previous embodiment with circular cross-section.
  • Fig. 5 there is disclosed a ball according to an embodiment of the invention comprising two half-shells welded together.
  • the weld 56 runs circumferentially around the ball, but also preferably inside the ball where the edges 48 of the walls of each half-shell meet.
  • the surface is provided with a pattern of so called dimples.
  • dimples are provided on many types of balls, e.g. golf balls and floor balls in order to improve flight properties.
  • Traditional dimples have been provided on the surface as circular indentations, normally with a spherical curvature. However there have been other geometries as well.
  • the dimples have a shape of a "D".
  • An example of a floor ball having such "D" dimples 50 on the surface is shown in Fig. 4.
  • a dimple according to the invention can thus deviate significantly from the shape of a conventional letter "D” and still be considered to conform to the "D" shape.
  • the dimples are laid out in parallel arrays around the circumference, suitably in parallel with the "equator", i.e. the weld seam that connects the half-shells.
  • the "D" dimples are laid out such that the straight (vertical) portion 52 of the "D” shape essentially conforms to imaginary "meridians" extending from pole to pole.
  • the dimples are oriented in opposite directions in the shown embodiment. This is of course not strictly necessary, but from a manufacturing point of view it simplifies production in that only one single half-shell type needs to be moulded. Should it be desirable to provide dimples that were oriented in the same direction over the entire surface, of course two types of shells need to be moulded.
  • the depth of the dimples is preferably 0,15-0,30 mm, and the area of each dimple is suitably about 7-9 mm 2 , preferably 8,6 mm 2 . In preferred embodiments there are 400-800 dimples provided.
  • a ball manufactured according to the present invention and designed essentially as shown in the figures was subjected to flight tests.
  • the tests were performed by launching balls from a trap shooting apparatus. This yielded an initial flight speed corresponding to an average shot in a floor ball game, i.e. about 25 m/s.
  • the flight performance was inspected visually and compared to the light performance for ordinary floor balls, i.e. not according to the invention. It was clearly observable that the rotation of the ball according to the invention in the air was significantly lower, i.e. it rotated less than an ordinary state of the art ball.
  • compartments inside the ball the air flow through the ball is strongly reduced or even eliminated, whereby the air is "packed” in the compartment.
  • This blocking of the air flow will increase the obtainable speed of the ball compared to an ordinary ball.
  • compartments inside the ball will have fractions of the volume of the ball as a whole, and thus there is much less space for the air to move around inside the ball.
  • An ordinary floor ball can be said to act as a parachute where the air swirls in and out on the backside depending on how it rotates.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Toys (AREA)

Abstract

La présente invention se rapporte à une balle qui présente de meilleures propriétés aérodynamiques. L'amélioration peut porter sur l'agencement de compartiments (11', 12', 13', 14') à l'intérieur de la balle par l'agencement d'éléments de renforcement tels que des parois (11, 12, 13, 14), des broches et/ou des nervures (42) qui s'étendent à travers l'intérieur de la balle. On peut également former un motif d'alvéoles (50) sur la surface, les alvéoles ayant la forme de la lettre « D ».
PCT/CZ2011/000029 2011-03-23 2011-04-07 Balle WO2012126442A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ2011156 2011-03-23
CZPV2011-156 2011-03-23

Publications (1)

Publication Number Publication Date
WO2012126442A1 true WO2012126442A1 (fr) 2012-09-27

Family

ID=44545389

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CZ2011/000029 WO2012126442A1 (fr) 2011-03-23 2011-04-07 Balle

Country Status (1)

Country Link
WO (1) WO2012126442A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11918930B2 (en) 2021-10-15 2024-03-05 Jam'n Products, Inc. Connecting structure for toy tent

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1483165A (en) * 1922-05-04 1924-02-12 Eaton Washington Libbey Practice golf ball
FR637219A (fr) * 1927-07-08 1928-04-25 Boule à jouer incassable
US5102365A (en) * 1991-04-08 1992-04-07 Team Worldwide Corp. Inflatable article
US20070066461A1 (en) * 2005-09-16 2007-03-22 Blue Light Design, Inc. Exercise system
US20070281803A1 (en) * 2006-05-30 2007-12-06 Jeong Ji-Young Modified golf ball

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1483165A (en) * 1922-05-04 1924-02-12 Eaton Washington Libbey Practice golf ball
FR637219A (fr) * 1927-07-08 1928-04-25 Boule à jouer incassable
US5102365A (en) * 1991-04-08 1992-04-07 Team Worldwide Corp. Inflatable article
US20070066461A1 (en) * 2005-09-16 2007-03-22 Blue Light Design, Inc. Exercise system
US20070281803A1 (en) * 2006-05-30 2007-12-06 Jeong Ji-Young Modified golf ball

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11918930B2 (en) 2021-10-15 2024-03-05 Jam'n Products, Inc. Connecting structure for toy tent

Similar Documents

Publication Publication Date Title
US2776139A (en) Game ball
US7018308B2 (en) Golf ball
EP2433687B1 (fr) Lecture d'objet disposant d'un retour avec imprévisibilité limitée
US5547197A (en) Golf ball dimple construction
JP2008093472A (ja) 飛行性能が改善されたゴルフボール
JP2884451B2 (ja) ゴルフボール
JPH1147310A (ja) ゴルフボール
US5853340A (en) Shuttlecocks
WO2013052925A2 (fr) Trousse pour un bois numéro 1 et balle de golf dont l'efficacité est optimale
JP2007319681A (ja) 変形ゴルフボール
WO2012126442A1 (fr) Balle
JP7547237B2 (ja) シャトルコック
JP4798326B2 (ja) ゴルフボール
KR101387649B1 (ko) 변의 길이가 서로 다른 구상 다각형의 딤플 배열 구조를 갖는 골프공
US20110269578A1 (en) nonconforming anti-slice ball
US9533194B2 (en) Golf ball
KR101703045B1 (ko) 밸런스 회전 골프공
US10661138B2 (en) Baseball hitting apparatus
TWI701065B (zh) 羽球之塑膠毛片
KR20090035130A (ko) 골프공의 딤플 내부 구조
TW202345947A (zh) 羽毛球
EP3932500A1 (fr) Volant de badminton
KR101058450B1 (ko) 비행 놀이기구
US20140329623A1 (en) String for sports racquet and sports racquet with improved string
JPH01232980A (ja) 制動翼付きゴルフボール

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11751792

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 20/12/2013)

122 Ep: pct application non-entry in european phase

Ref document number: 11751792

Country of ref document: EP

Kind code of ref document: A1