# Patent application title: NEW KIND OF FOOTBALL WITH IMPROVED ROUNDNESS

##
Inventors:
Pieter Huybers (De Lier, NL)

Assignees:
HYPERBALL COMPANY

IPC8 Class: AA63B4108FI

USPC Class:
473607

Class name: Games using tangible projectile projectile, per se; part thereof or accessory therefor comprising cover for core; blank or closure therefor

Publication date: 2010-05-27

Patent application number: 20100130317

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# Patent application title: NEW KIND OF FOOTBALL WITH IMPROVED ROUNDNESS

##
Inventors:
Pieter Huybers

Agents:
YOUNG & THOMPSON

Assignees:
HUYBERS; Pieter

Origin: ALEXANDRIA, VA US

IPC8 Class: AA63B4108FI

USPC Class:
473607

Publication date: 05/27/2010

Patent application number: 20100130317

## Abstract:

Ball, composed of an inflatable inner ball from a thin rubbery material
and of an outer skin from a leathery material, usually a fibre reinforced
flexible plastic, composed in balls of the first type of twelve more or
less pentagonal parts and twenty more or less hexagonal parts and in
balls of the second type of six more or less square parts and eight more
or less hexagonal parts, where most of the edges do not have a kinked
form but follow a circular course, so that they follow accurately the
curvature of the sphere. An even better approximation of the sphere form
is obtained, if the dimensions of the parts are changed in such a way
that all corners of these parts are lifted towards the sphere surf ace
and do not lie slightly under this surface as in the aforementioned
patent.## Claims:

**1-3.**(canceled)

**4.**Ball (25) characterized in that it is composed of twelve more or less pentagonal parts (8) and twenty more or less hexagonal parts (9), of which the sides (10) follow a circular course.

**5.**Ball (26) characterized in that it is composed of six more or less square parts (20) and eight more or less hexagonal parts (21), of which the sides (22) follow a circular course.

**6.**Ball according claim 4, characterized in that the points P and Q, lying in the planes of the originally rectangular parts (3) and that in the end result make out the corners of the parts (8) and (9) are lifted towards the sphere surface.

**7.**Ball according claim 5, characterized in that the points P and Q, lying in the planes of the originally rectangular parts (15) and that in the end result make out the corners of the parts (20) and (21) are lifted towards the sphere surface.

## Description:

**[0001]**The invention relates to a proposal for improvements to an existing design for a new kind of football as described in the Dutch Patent Nr. 1021303, dated 20 Aug. 2007, which has been filed by Pieter Huybers, De Lier, who also is the applicant of the present proposal. This new proposal implies two commutations that lead to a closer approximation of the pursued spherical form than is found following the existing patent. Moreover, the dies that are needed to cut the panels, that comprise the outer skin of the football, are easier to make.

**[0002]**The derivation of the original geometry of the spherical surface is amply described in the aforementioned patent; this will hereby be used as the starting point and be assumed as to be generally of common knowledge.

**[0003]**At the present state of art, a soccer ball consists generally of an inflatable bladder from a flexible material and of an exterior skin from a leathery material which is constructed of smaller parts according a certain geometric pattern. In the aforementioned patent two different basic patterns for the construction of the outer skin are discerned that respectively consist of 32 or 14 parts. However, the mathematical figures or polyhedra, from which they are derived, originally consist of 62 and 26 parts respectively and are called in mathematics:

**[0004]**1. Rhombicosidodecahedron, composed of twelve equilateral pentagons, twenty equilateral triangles and thirty squares.

**[0005]**2. Rhombicuboctahedron, composed of eighteen squares and eight equilateral triangles.

**[0006]**The dimensions of these figures are determined by the fact, that in both cases all vertices lie on a circumscribed sphere. The centres of the parts are at a certain distance from this sphere, which is different for all kinds of polygons that occur in such a mathematical figure. If one however wishes to create a situation where all centres of the parts have the same distance from the sphere, in the first case all squares are transformed into rectangles where the triangles and the pentagons obtain a form of which all corners are chamfered, and in the second case twelve of the eighteen squares convert to rectangles where the remaining six squares and the triangles become chamfered. The thus found figures can respectively be called: Isodistant Rhombicosidodecahedron and Isodistant Rhombicuboctahedron, where the adjective `isodistant` refers to the fact that all panel centres lie at the same distance from the centre of the whole polyhedron, the system centre, and therefore also from the sphere surface. In order to reduce the sewing length so that the skin is more easily to construct, in the formerly mentioned patent the rectangles are subdivided in two isosceles triangles and two isosceles trapezia. These are combined with adjacent parts following a special pattern to form new entities so that in the first case twelve parts are generated that roughly have the form of a pentagon and twenty parts with roughly the form of a hexagon, and so that in the second case six parts roughly obtain the form of a square and eight parts roughly that of a hexagon. In both cases most of the sides have a form with two slight kinks in length direction. The two bending points of these lines lie at the sphere surface so that these kinked sides more or less follow the curvature of the sphere.

**[0007]**This new patent however indicates a way to let the connection lines between the end points and the bending points of these slightly kinked lines follow an exact circular course. The lines in question thus obtain a more smooth curvature than the respective sides in the old patent and hence follow the curvature of the sphere more closely.

**[0008]**Yet another improvement of the original patent can be accomplished, if all corners of the panels, that basically lie in the plane of the rectangles and thus lie below the sphere surface, are lifted to the level of this sphere. This can easily be realized by a small adaptation of these panels.

**[0009]**The invention shall be explained in more detail with reference to the appended drawings, in which:

**[0010]**FIG. 1. shows the rhombicosidodecahedron 1, consisting of twelve flat equilateral pentagons, twenty flat equilateral triangles and thirty flat squares.

**[0011]**FIG. 2. shows the isodistant version 2 of the rhombicosidodecahedron 1, of which all faces have the same distance from the system centre.

**[0012]**FIG. 3. shows the three kinds of faces that compose the isodistant rhombicosidodecahedron: thirty rectangles 3, twelve chamfered pentagons 4 and twenty chamfered triangles 5.

**[0013]**FIG. 4. shows a subdivision of the rectangles 3 into four parts: two isosceles triangles 6 with apices, that are indicated here as P and Q respectively, and two isosceles trapezia 7. These four parts are added to adjacent faces following a special arrangement, so that two new panel shapes are formed: twelve more or less pentagonal parts 8 and twenty more or less hexagonal parts 9, with which according to the existing patent a soccer ball of the new type can be generated. The parts 8 have five slightly kinked sides 10 where the parts 9 have alternatively three kinked sides 10 and three shorter, straight sides 11. The position of the points P and Q on the rectangular sides 3 is chosen such, that the twisted sides 10 of the parts 8 and 9 are identical. The total sewing length is almost equal to that of the commonly used soccer ball that is composed of twelve equilateral pentagons and twenty equilateral hexagons.

**[0014]**FIG. 5. shows an isometric view 12 of the isodistant rhombicosidodecahedron 2, of which the rectangular parts 5 are subdivided.

**[0015]**FIG. 6. shows the rhombicuboctahedron 13, consisting of eight equilateral triangles and eighteen squares.

**[0016]**FIG. 7. shows the isodistant version 14 of the rhombicuboctahedron 13, in which all faces have the same distance from the system centre and hence from the sphere surface.

**[0017]**FIG. 8. shows the different parts that comprise the isodistant rhombicuboctahedron 14: twelve rectangles 15, eight chamfered triangles 16 and six chamfered squares 17.

**[0018]**FIG. 9. shows that the rectangles 15 also can be subdivided in four parts: two isosceles triangles 18 with apices, that as in the previous case are indicated as P and Q respectively, and two isosceles trapezia 19. These four parts are added to adjacent faces following a special arrangement, so that two new panel shapes are formed: six more or less square parts 20 and eight more or less hexagonal parts 21. The parts 20 have four slightly kinked sides 22 where the parts 21 have alternatively three kinked sides 22 and three shorter, straight sides 23. The position of the points P and Q on the rectangular faces 15 is chosen such, that the kinked sides 22 of the parts 20 and 21 are similar. According the existing patent with six parts 20 and eight parts 21, soccer balls can be made of a new configuration, but in this case the face centres lie a bit farther away from the sphere surface than in the previous case, so that its use can be suggested for trainings balls in soccer or as balls for other sports where lesser demands count with respect to form and shape retention. A great advantage is, that the sewing length is only one third that of the first version.

**[0019]**FIG. 10. gives an isometric view 24 of the isodistant rhombicuboctahedron 13, but with subdivided rectangles 15.

**[0020]**FIG. 11. shows schematically how according the present patent the slightly kinked sides 10 and 22 can be made curved by drawing a circle through the points R, S and T of the kinked side under consideration. These sides will thus follow the curvature of the sphere more precisely than in the old patent.

**The describing circles of the sides**10 and 22 are different and their centres N lie at a considerable distance outside the respective planes 8 and 9 or 20 and 21, of which the centre of the circumscribed circles is indicated as M. An extra advantage is, that in a relatively simple way from the centre N of the newly found circle arcs, that replace the kinked sides 10 and 22, the positions of the drilling holes for the punching pins can be destined. This method is considerably simpler than the drilling method that must be followed in the case of the kinked sides.

**[0021]**FIG. 12. shows a scheme of the rectangular parts 3 or 15, where the points P and Q, lying in these planes are lifted to the new positions P' and Q' on the sphere surface. The circle arc trough V, P', Q' and W has the same radius as the sphere. This adaptation will therefore also lead to a better approximation to the sphere form.

**[0022]**FIG. 13. shows the embodiment 25 of the ball according the invention based on the isodistant rhombicosidodecahedron 12, in inflated state.

**[0023]**FIG. 14. shows the embodiment 26, which is based on the isodistant rhombicuboctadron 24, in inflated state.

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