EP3305378B1 - Schläger, insbesondere struktur eines padel-schlägers - Google Patents

Schläger, insbesondere struktur eines padel-schlägers Download PDF

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Publication number
EP3305378B1
EP3305378B1 EP17194468.9A EP17194468A EP3305378B1 EP 3305378 B1 EP3305378 B1 EP 3305378B1 EP 17194468 A EP17194468 A EP 17194468A EP 3305378 B1 EP3305378 B1 EP 3305378B1
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EP
European Patent Office
Prior art keywords
racket
edge element
edge
layers
face
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.)
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Application number
EP17194468.9A
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English (en)
French (fr)
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EP3305378A1 (de
Inventor
Enric CASAS BARDOLET
Jordi LLADÓ ABELLA
Jacques Le Masson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
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Priority claimed from FR1659546A external-priority patent/FR3056918A1/fr
Application filed by Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Publication of EP3305378A1 publication Critical patent/EP3305378A1/de
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
    • A63B59/40—Rackets or the like with flat striking surfaces for hitting a ball in the air, e.g. for table tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • 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
    • A63B2102/08—Paddle tennis, padel tennis or platform tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00—Characteristics of used materials
    • A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/01—Special aerodynamic features, e.g. airfoil shapes, wings or air passages
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
    • A63B59/40—Rackets or the like with flat striking surfaces for hitting a ball in the air, e.g. for table tennis
    • A63B59/48—Rackets or the like with flat striking surfaces for hitting a ball in the air, e.g. for table tennis with perforated surfaces

Definitions

  • the invention relates to a racket, for hitting a ball, for practicing Padel's game.
  • Padel is a ball game that is played with a racket without ropes, whose striking zone is full or almost full as it may have holes crossing transversely the head of the racket. Padel's game is played on a separate field in two parts by a net and surrounded by walls, the ball being able to bounce on the ground and also on the walls.
  • Padel's racket consists of three parts, which are the head, the heart and the neck.
  • the head corresponds to the strike zone of the ball
  • the neck is the part that is tightened by the player's hand
  • the heart is the area that connects the head to the handle of the racket.
  • the head of a padel racket consists of a core bordered on its periphery by a peripheral reinforcing tube, as described in the document ES 2,395,181 of the prior art.
  • the lower and upper faces of the core are covered by one or more layers of composite fibers and a protective layer, all of these layers being intended to strengthen and form the striking surfaces of the racket.
  • the protective layer also extends over the lateral periphery of the head of the racket and in particular the two protective layers forming the striking surfaces meet on the side face forming the periphery of the racket and form a connecting line.
  • This embodiment has the disadvantage that this connecting line located on the periphery of the racket is fragile, unsightly. Also sanding, painting and long, thorough and expensive varnishing are necessary to obtain a completely finished and marketable racket.
  • the edge of the racket can also accommodate elements with elastic or even viscoelastic properties, which separate the two striking surfaces, as described in document WO2012 / 089931 .
  • padel rackets can have either a solid area at the heart of the racket, as in the patent US20150024879 , a hollow or recessed area in the area of the heart of the racket, as in the patent GB2445351 .
  • the protective layer and possibly the reinforcement layers mentioned above and covering the striking surfaces extend in the central part of the racket to form the edges of the recess and join together forming a connecting line bordering the recess generally located in the main plane of symmetry of the racket.
  • This embodiment has the disadvantage that this connecting line which borders the central recess of the racket is fragile, unsightly and difficult to access to achieve the sanding, painting and varnishing steps in the case of a racket. hollowed heart.
  • the object of the invention is to provide a new padel racket structure which has a racket head circumference and / or the edge of the central recess racket reinforced, aesthetic and durable in time.
  • Another object of the invention is to reduce the finishing steps of the racket especially after the exit of the mold.
  • the invention relates to a racket for practicing the padel game which comprises a core covered on its underside by at least one lower layer and on its upper face by at least one upper layer forming the two opposite striking surfaces. of the racket, the two striking surfaces being connected to each other by substantially perpendicular surfaces forming the periphery and the heart of the racket, wherein the perpendicular surfaces comprise at least one edge element.
  • this racket is characterized in that the upper and lower layers extend laterally to cover the substantially perpendicular surfaces and said edge element, said upper and lower layers having their outer contour at the outermost surface. said edge element.
  • the vocal element forms a protruding zone laterally with respect to the striking face.
  • the outer surface of the edge element that is to say the area farthest from the center of the racket forms the perimeter of the racket, when it is viewed perpendicular to the striking surface.
  • This singing element is covered by the layers that extend from the striking surface to the outer face of the edge element, coming tangent to it, so that the edge of these layers is apparent at of the visible face of the singing element.
  • the lower face of the upper layer rests, possibly indirectly, on the upper face of the edge element, while symmetrically, the upper face of the lower layer is facing the lower face of the singing element.
  • the upper and lower layers are thus flush with the outer face of the edge element.
  • the manufacture of the racket can thus include a finishing step by leveling the edge and upper and lower layers that appear superimposed on the edge of the racket.
  • the racket according to the invention can incorporate one or more of the following characteristics.
  • the edge element is an elongated reinforcing element, that is to say it has a certain thickness and a certain width and its length is much greater than its width and its thickness.
  • This edge element comprises in particular a lower face located on the side of the lower striking surface and an upper face located on the side of the upper striking surface, the lower face being covered by an end portion of at least one of the lower layers and the upper face being covered by an end portion of at least one of the upper layers.
  • the racket may include end portions that are formed by the end of the protective layer of the racket's striking surface.
  • the racket may also comprise end portions which are formed by the ends of two superposed layers in the thickness of the racket, one of the layers being constituted by one of the reinforcing layers of the striking surface of the racket and the other layer being constituted by the outer protective layer of the racket.
  • the edge element can be positioned in such a way that its median plane lies on the plane of symmetry of the head of the racket.
  • the edge element may consist of several elements superimposed in the direction of the thickness of the racket, and / or may consist of several superimposed elements in the direction of its width in the direction x1.
  • the inner face of the edge element can be connected to the core of the racket by means of at least one reinforcing element, this reinforcing element can be a hollow tube or a combination of a tube and a a layer of composite fibers and / or a metal layer.
  • the edge element may be of varying thickness and / or width but the edge element may be of constant thickness and width.
  • the thickness of the assembly formed by the edge element and the end portions from the lower and upper layers is less than the total thickness of the racket.
  • the edge element is positioned on the outer periphery of the racket forming a surface substantially perpendicular to the striking surfaces.
  • the lower face of this edge element located at the outer periphery of the racket is covered by an end portion of at least one of the lower layers from one of the striking surfaces and the upper face of this edge element. is covered by an end portion of at least one of the upper layers from the other striking surface.
  • the edge element extends over at least the front rim of the racquet head. In other configurations, the edge element may extend around the front edge of the racquet head and extend to the top of the racquet handle.
  • the racket may have a recess in the heart and the edge element is then positioned on the edges of this recess forming a surface substantially perpendicular to the striking surfaces of the racket.
  • This edge element positioned on the edges of the recess can border on the one hand the core in the upper part of the recess and on the other hand the two branches in the side portions of the recess.
  • the racket may have at least two edge elements located on surfaces substantially perpendicular to the striking surfaces of the racket, a edge element being positioned on the edges of this recess and the other edge element being positioned on the outer periphery of the racket.
  • the profile of the outer face of the edge element is preferably obtained by machining, but other cutting methods are possible.
  • the method of manufacturing a racket according to the invention can use a particular racket mold where the components of the racket are positioned in a mold having three parts, a lower part forming the bottom of the mold, an intermediate part receiving the edge element and an upper part forming the lid of the mold.
  • Figures 1 to 9 illustrate the invention according to a first variant in which the padel racket is provided only with a singing element on its outer circumference
  • Figures 10 to 13 illustrate the invention according to a second variant in which the padel racket is provided with a vocal element located on the edges of the central recess
  • Figures 14 to 16 illustrate the invention according to a third variant in which the padel racket is provided with a singing element both on its outer periphery and on the edges of the central recess.
  • the orthonormal coordinate system (O, x, y, z) is defined as illustrated.
  • figure 1 the direction x corresponding to the transverse direction of the racket, that is to say in the direction of its width
  • the direction y corresponding to the longitudinal direction of the racket, that is to say in the direction of its length , that is to say from the end of the handle towards the front end of the racket head
  • the direction z corresponding to the direction oriented according to its thickness.
  • the point O corresponds to the center of the head 1 of the racket.
  • FIGS. Figures 1 to 9 The first variant of the invention in which the racket comprises a singing element at its outer periphery is illustrated in FIGS. Figures 1 to 9 and is explained below.
  • Padel racket usually comprises a head 1 or sieve having two faces 4, 5 oriented parallel to the plane (x, y) of the racket, these two faces constituting the two striking surfaces of the racket which are intended to hit in the ball. These two surfaces are opposite each other, one face being used when performing a forehand and the other side being used when performing a backhand.
  • the zone of the heart has a recess 15 limited by two lateral branches 14a and 14b.
  • the upper and lower surfaces 4 and 5 are therefore also connected to one another by substantially perpendicular surfaces forming the edge of the recess 15.
  • the head 1 of the racket is connected to the handle 3 which is intended to be taken in hand by the player.
  • the connection between the head 1 and the handle 3 is called the heart 2 of the racket.
  • the front of the racket is on the opposite side of the handle.
  • the head 1 of the racket generally comprises holes 100 which cross the entire thickness of the racket in the z direction to lighten the racket and improve its behavior during play and typing.
  • the lateral edge of the head 1 of the racket and the heart 2 of the racket called slice of the racket, forms the periphery 6 of the racket.
  • This periphery 6 corresponds to the surface formed by the outer profile 60 of the section S located in the plane (x1, z) which describes a rotation of an angle ⁇ of zero to 360 degrees around the center O of the racket.
  • This periphery 6 comprises according to the invention a set of edge 7 comprising a vocal element 8 which is here visible and visible on the edge of the racket which is formed by a surface substantially perpendicular to the striking surfaces or perpendicular to the plane (x , y).
  • the edge assembly 7 consists on the one hand of the edge element 8 in its central part but also of two adjacent elements positioned on either side of the lower face 8d and upper face 8c of the edge element 8 These two adjacent elements are constituted in this first embodiment by the end portions of superimposed thin layers 12a, 13a and 12b, 13b which will be detailed later.
  • This edge element 8 has a shape of elongated cord, of substantially square or rectangular section. On the other hand, other triangular or oval shaped shapes with rounded or straight sides can also be envisaged for this singing element 8.
  • the structure of the head of the racket is composed in its central part of a core 9 formed by a layer of generally thermoplastic polymeric foam, formed for example of an ethylene foam vinyl acetal or EVA or optionally polyurethane.
  • This light and deformable core 9 forms the central inner layer centered on the median plane or main plane of symmetry of the racket which is parallel to the striking planes and therefore parallel to the plane (x, y).
  • This core 9 is bordered laterally by a tubular reinforcement 10 for reinforcing the periphery 6 or the edge of the racket.
  • This reinforcement is composed of glass composite fibers and / or carbon impregnated with resin.
  • this tube 10 is shaped by inflation during the molding of the racket and the inner portion 10a of the tube 10 is hollow.
  • the lower and upper faces of the core 9 are covered with at least one reinforcing layer 11a, 11b, 12a, 12b, preferably made of composite materials formed of one or more fiber plies of glass fiber or fiberglass type. Carbon impregnated with a resin, epoxy type for example, these fibers can take various orientations. These reinforcing layers 11a, 12a, 11b, 12b are they even covered with a protective layer 13a or 13b.
  • the upper and lower reinforcement layers 11a and 11b extend on the lateral sides of the racket forming the surfaces substantially perpendicular to the striking planes of the racket.
  • the reinforcing layers extend on the outer face of the tube 10 to reinforce the internal structure of the edge of the racket, the ends of the layers 11a and 11b meeting on the plane of symmetry of the racket parallel to the plane (x, y).
  • reinforcing layers 11a and 11b are not visible on the edge 6 of the racket because they are covered by other reinforcing layers 12a, 12b, and by the protective layers 13a, 13b and by the edge element 8, detailed below.
  • the layers 12a and 12b are layers of resin-impregnated glass or carbon-based composite fibers which are superimposed respectively on the reinforcing layers 11a and 11b covering the core to reinforce the striking surfaces of the racket. These layers 12a and 12b reinforce not only the striking surfaces of the racket but also the edge of the racket as these layers 12a, 12b extend beyond the striking surfaces of the racket on the lateral sides of the racket. All the reinforcing layers 11a, 11b, 12a, 12b, as well as the tube 10 contribute to giving the racket the flexural and torsional stiffness properties necessary to obtain the proper behavior of the racket during the play and striking of the racket. ball.
  • the protective layers 13a and 13b form the outer layers of the racket at the lower and upper sides of the racket and protect the racket. These protective layers 13a and 13b may carry the decoration on the outer or inner face and may be opaque or transparent.
  • the material used for these protective layers is preferably polyurethane or Acrylonitrile Butadiene Styrene or ABS, low rigidity which contributes little to the total rigidity of the racket.
  • the protective layers 13a and 13b cover the striking surfaces of the racket and also extend on the edge 6 of the racket.
  • These protective layers 13a and 13b also extend in the area of the heart 2 of the racket, up to the handle 3.
  • the perimeter 6 of the racket comprises a singing element 8 in the form of elongated cord, of substantially square or rectangular section, this edge element being an elongated reinforcing element around the racquet.
  • this edge element 8 is curved in shape to fit the profile of the perimeter 6 of the racket.
  • This edge element 8 has characteristic faces which are its lower faces 8d and 8c upper turned respectively to the lower faces 5 and upper 4 of the racket forming the striking surfaces, and its inner face 8a oriented towards the center O of the racket and its outer face 8d generally visible from the outside of the racket.
  • the reinforcing layers 12a, 12b and the protective layers 13a and 13b extend to the outer lateral sides of the racket and are visible on the edge 6 of the racket on either side of the lower faces 8d and 8c of upper the singing element 8 of the racket. These layers cover the lower and upper faces of the edge element 8 by being bonded together and they make it possible to protect these faces of the edge element.
  • the upper 8c and lower 8d faces of this edge element 8 are each covered by two layers.
  • the end portion of the upper reinforcing layer 12a covers and comes into contact with the upper face 8c of the edge element 8, while the end portion of the lower reinforcing layer 12b covers and comes in contact with the lower face 8d of the edge element 8.
  • the ends of the reinforcing or protective layers which can measure from 0 to 2 or 3 mm from the extreme edge of these layers, will be heard by end portions.
  • These end portions of these layers 12a, 12b correspond to the portion of the layers 12a and 12b which are secured to the lower and upper faces of the edge element 8 by gluing.
  • edge element 8 extends from the extreme edge of the layers 12a and 12b towards the center of the racket over a few millimeters, which may reach about 5 to 6 mm, but preferably over a distance of between 1 and 2mm.
  • this bonding is performed during the molding of the racket and the glue is then constituted by the impregnating resin of the composite fibers forming the various composite layers of the racket.
  • This outer zone consisting of the edge element 8 of thickness e8 and the upper end portions of thickness e1 and lower thickness e2 forms a tight zone provided by the glue used.
  • the internal structure of the racket is protected from the external moisture.
  • the end portion of the upper protective layer 13a indirectly covers the upper face 8c of the edge element 8, this end portion coming into contact with the end portion of the upper reinforcing layer 12a.
  • the end portion of the lower protection layer 13b indirectly covers the lower face 8d of the edge element 8, this end portion coming into contact with the end portion of the lower reinforcing layer 12b .
  • the end portions of the layers 12a, 12b, 13a, 13b have a radius of curvature whose center of curvature is located towards the outside of the padel racket, on the side of the upper face of the racket for the portions of the paddle. upper end and the side of the underside of the racket for the lower end portions.
  • This radius of curvature can be modified according to the shape of the mold of the racket. In particular this radius of curvature could tend towards a right angle.
  • the inner face 8a of this edge element 8 is bonded by bonding to the outer faces of the reinforcing layers 11a and 11b and this inner face 8a substantially matches the shape of the outer faces of the reinforcing layers 11a and 11b in the zone of junction of these two reinforcements.
  • the outer face 8b of this element of song opens on the outside of the periphery 6 of the racket, this face 8b is therefore generally visible from the outside of the racket.
  • edge element 8 is secured to the structure by three of its faces, that is to say by its inner, lower and upper faces.
  • the edge element 8 can be made of different flexible materials to be able to be shaped when placing the oval shape of the head of the racket and follow the periphery 6 of the racket. These materials may be, for example, plastics, fiber filled plastics, polymers, natural or synthetic rubbers, thin layers of metallic material, or composite fiber layers. The choice of material makes it possible to adjust the stiffness of the racket head and even to give it damping properties.
  • the material of the edge element 8 is also chosen so that it resists wear, friction and impact, to protect the racket at the level of the slice 6 which undergoes many strokes and impacts during its use during the game
  • the edge element 8 may consist of a single material in its thickness e8 and in its width 18. But this edge element 8 may also be composed of several superimposed materials in its thickness e8 measured in the direction z in the direction the thickness of the racket or even in its width 18 measured in the direction x1. In the case of the superposition in the width of the edge element 8, the different materials then follow one another from the inner side 8a of the edge element 8 towards the outer side 8b of the edge element 8. In the in the case of the superposition of materials in the thickness of the edge element 8, different layers of materials are stacked on each other from the lower face 8d of the edge element 8 to the upper face 8c of the element 8. These superimpositions of materials, both in thickness and in width, make it possible to optimize the characteristics of stiffness and damping of the edge of the racket.
  • This edge element 8 may also consist of several elements juxtaposed in the longitudinal direction of the edge element 8, that is to say along its length, which may be chosen of different colors and / or different materials. Moreover, this edge element is generally of thickness e8 and of width 18 constant throughout its length as illustrated in FIG. figure 7 , but its thickness e8 and / or its width 18 may be variable along its length. For example, as shown in figure 8 , the edge element 8 has a variable thickness e8 along its length which has zones 80 in which the thickness e8 is maximum and intermediate zones 81, 82, 83, 84 where the thickness e8 is lower.
  • FIG. figure 9 Another embodiment concerning the edge element 8 is illustrated in FIG. figure 9 .
  • the edge element 8 does not extend over the entire periphery of the racket head 1 but extends over an area of more limited length, and in particular only on the front part of the head 1 of the racket, this allowing to vary the inertia of the racket mainly racket head.
  • the side face forming the periphery 6 of the racket comprises a vocal element 8 whose center plane is positioned on the plane of symmetry of the racket parallel to the plane (x, y).
  • the thickness e8 of this edge element 8 is smaller than the total thickness E of the head of the racket.
  • good results are obtained for a racket whose edge element 8 has a thickness less than half the total thickness E of the racket, or even preferably less than a quarter of the total thickness E of the racket. racket.
  • a vocal element 8 of thickness e8 between 3mm and 4.5mm gives a good behavior.
  • the thickness formed by the edge assembly constituted by the sum of the thickness e8 of the edge element 8 and the thicknesses e1 and e2 of the end portions of the lower and upper layers covering this element of edge 8 in the lower and upper part is less than or equal to the total thickness E of the head of the racket.
  • the median plane of the edge element 8 could be shifted by a certain distance in the z direction of the plane of symmetry of the racket, this to obtain an asymmetrical behavior of the racket during the Strikes in forehand and backhand.
  • the reinforcing layers 110a, 110b positioned directly on the upper and lower faces of the core 9 stop laterally at the inner face of the tube 10 and do not descend not on the side face of the racket as in the first embodiment.
  • the reinforcing layers 12a and 12b as well as the protective layers 13a and 13b which extend on the upper and lower faces of the racket extend on the edge 6 of the racket by covering the outer face of the tube 10.
  • the reinforcing layers 12a and 12b cover the outer face of the tube 10 and then extend by their end portions respectively on the top 8c and lower 8d of the edge element 8 to protect and ensure the cohesion of the structure snowshoeing, especially at the level of the slice 6 of the racket, this thanks to the collage.
  • the protective layers 13a and 13b respectively cover the outer faces of the reinforcing layers 12a and 12b and extend indirectly through their end portions at the upper and lower faces of the edge element 8.
  • the reinforcing layers 11a and 11b do not cover the upper 8c and lower 8d faces of the edge element 8 but extend inside the lateral sides and are positioned between the outer face of the tube 10 and the inner face 8a of the edge element 8. In this embodiment, only the end portions of the protective layers 13a and 13b respectively come into contact with the upper faces 8c and lower 8d of the edge element 8.
  • all the components of the racket namely the protective layers 13a, 13b, the reinforcements 11a, 11b, 12a, 12b previously impregnated with resin, the core 9, the reinforcing tube 10 provided with an inner inflation liner, the edge element 8, are positioned in a mold.
  • the mold is specifically adapted for the positioning of the edge element 8.
  • the components of the racket are positioned in a mold having three parts, a lower part forming the bottom of the mold, an intermediate part receiving the element edge and an upper part forming the lid of the mold.
  • the spacer part allows to space the lower and upper parts of the mold. It can be easily changed from one model of racket to another model and can be adapted to singing elements 8 different in thickness, width and even length.
  • This intermediate element or third part of the mold is preferably made of two elements juxtaposed to facilitate the demolding of the racket. These two juxtaposed elements make it possible respectively to receive the left part of the edge element 8 forming the left part of the racket and the right part of the edge element 8 forming the right part of the racket, the edge element being him preferably in one piece. Each of these two left and right mold elements extend from the head 1 of the racket to the end of the handle 3. These two mold members also each have a bore which allows the reinforcing layers 12a, 12b and the protective layers 13a, 13b to be positioned above and below the edge member 8 protruding from the outer face 8b of the edge member. Furthermore, this third part or intermediate part may be composed of a single element, or more than two elements if necessary.
  • an inflation phase can inflate the hollow tube and press against the core on the one hand and the walls of the mold. 'somewhere else.
  • the molding phase is performed by applying the particular and known temperature and pressure conditions, this allowing the polymerization of the resin to obtain a semi-finished racket at the exit of the molding. After this molding phase, some finishing steps are necessary.
  • the edge element 8 as well as the end portions of the reinforcing layers 12a, 12b and the end portions of the protective layers 13a, 13b bonded to the upper faces 8c and bottom 8d of the edge member 8 protrude in excess and excess impregnating resin flowed through the bonding areas between these different layers during molding. Also, this excess material and these burrs must be removed by a suitable cutting method.
  • a machining is performed on the edge 6 of the racket, this in order to obtain the side B of the racket which comprises the outer face 8b of the edge element 8 and the end portions of the layers 13a , 13b, 12a, 12b. Machining makes it possible to obtain a clean cut, quickly and reproducibly from one racket to another. This is very advantageous compared to the long and delicate sanding operations that are often necessary in this area where usually the ends of the layers 13a, 13b, 12a, 12b come together end to end.
  • This machining can be performed by any conventional method of machining, or by wire machining, or by laser cutting for example. Moreover, other cutting methods known from the prior art, such as, for example, punching or stamping could also be used.
  • the outer face 8b of the edge element 8 thus obtained on the finished racket does not therefore require the application of an additional tape whose positioning is not easy to resume after molding and which is often fragile.
  • This machining makes it possible to cut the edge element 8 provided on these lower and upper faces with end portions of one or more lower and upper layers, preferably at an angle of 90 degrees with respect to the planes formed by the striking, or with an inclined angle to the striking surfaces.
  • FIGS. Figures 10 to 13 The second variant of the invention in which the racket comprises a singing element only at the edge of the central recess in the zone of the heart of the racket is illustrated in FIGS. Figures 10 to 13 and is explained below.
  • the racket In the zone of the heart 2 of the racket, the racket has a recess 15 bordered laterally by two branches 14a and 14b. These two branches 14a, 14b connect the striking zones 4, 5 of the racket to the handle 3 of the racket.
  • the inner surface of the branch 14a forms one of the lateral surfaces 15a of the recess 15, while the inner surface of the other branch 14b forms the other lateral surface 15b of the recess 15. These surfaces 15a and 15b join together at the upper part of the handle 3.
  • the upper part of the recess is formed by the inner surface 15c positioned in the lower part of the striking surfaces 4, 5 below the core 9.
  • the periphery of the recess 15 is formed by the surfaces 15a, 15b and 15c which constitute surfaces substantially perpendicular to the striking surfaces 4 and 5.
  • This recess 15 is substantially triangular in shape, but other forms of the hexagonal, round or oval type could also be suitable.
  • the edges of the recess 15 formed by the surfaces 15a, 15b, 15c oriented substantially perpendicularly to the striking surfaces 4,5 of the racket, in other words substantially perpendicular to the plane (x, y) comprise a singing element 80, in the form of curved elongated cord conforming to the shape of the contours of the recess 15.
  • This edge element 80 is quite comparable to the edge element 8 described above.
  • the mechanical and physical characteristics used for the edge element 80 are therefore similar to those described for the edge element 8.
  • This singing element 80 appears in section on the figure 12 , the section being made at the side branch 14a located at the heart 2 of the racket.
  • the section of the edge element 80 is a quadrilateral, in particular a rectangle composed of the sides 80a, 80b, 80c, and 80d.
  • the outer side 80b is opening on the recess 15 and is therefore visible from the outside of the racket.
  • the inner side 80a of the element 80 is secured by bonding with the reinforcing fibers 11a, 11b, themselves bonded to the reinforcing tube 10.
  • the lower 80d and upper 80c sides of the edge element 80 are covered respectively by the ends of the reinforcing layers 12a, 12b or the end portions of these layers, these reinforcing layers 12a, 12b being themselves covered by the ends of the protective layers 13a, 13b.
  • the upper 80c and lower 80d sides are protected by reinforcement layers.
  • the three sides 80a, 80c, 80d of the edge element 80 are secured by gluing to the structure of the racket, this during molding.
  • the surface formed by the outer side 80b of the edge 80 and the ends of the reinforcing layers 12a, 12b and 13a, 13b protection forms a surface oriented substantially perpendicular to the striking surfaces 4,5.
  • This surface is planar preference and obtained by cutting as for example by machining after molding the racket, but other forms more rounded or angular could also be considered.
  • the edge element 80 bears against the transverse face of the core 9 directly or indirectly via reinforcing fibers.
  • This edge element 80 may not completely circle the edge of the recess 15, but in other embodiments, it could be located only on a portion of one of the edges, or it could be covered at least one of the edges. one of the edges of the recess 15.
  • the median plane of the edge element 80 is located on the main plane of symmetry of the racket which is parallel to the plane (x, y).
  • the edge element 80 makes it possible on the one hand to partially or completely stiffen the edges of the recess 15, and on the other hand, to ensure good bonding between the lower and upper layers and to obtain edges of the recess 15 clean and aesthetic on the finished racket.
  • the racket has no edge element 8 at its outer periphery 6.
  • the reinforcing layers 12a and 12b and the protective layers 13a and 13b are joined end to end on the connecting line L, as illustrated in FIGS. Figures 12 and 13 .
  • the third variant of the invention in which the racket comprises not only a vocal element at its outer periphery but also a vocal element at the edge of the central recess in the zone of the heart of the racket, is illustrated the Figures 14 and 15 explained below.
  • This third variant is a combination of the first and second variants described above.
  • the racket has at the level of the surfaces oriented substantially perpendicular to the striking surfaces 4,5, not only an element 8 on the outside perimeter 6 of the racket, but also a vocal element 80 on the edges of the recess 15.
  • the edge element 8 has the same characteristics as those described in the first variant, while the edge element 80 has the same characteristics as those described in the second variant.

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

Claims (18)

  1. Schläger zum Ausüben des Padelspiels, umfassend einen Kern (9), der auf seiner Unterseite von mindestens einer unteren Schicht (11b, 12b, 13b, 110b) und auf seiner Oberseite von mindestens einer oberen Schicht (11a, 12a, 13a, 110a) bedeckt ist, die die beiden entgegengesetzten unteren (5) und oberen (4) Schlagflächen des Schlägers bilden, wobei die beiden Schlagflächen durch im Wesentlichen senkrechte Flächen verbunden sind, die den Umfang und/ oder den Kern des Schlägers bilden, diese im Wesentlichen zu den Schlagflächen senkrechte Flächen, umfassen mindestens ein Kantenelement (8, 80), dadurch gekennzeichnet, dass die untere Seite der oberen Schicht auf der oberen Seite (8c) des Kantenelementes aufliegen und dadurch, dass die obere Seite der unteren Schicht gegenüber der unteren Seite (8d) des Kantenelementes liegt.
  2. Schläger gemäß Anspruch 1, dadurch gekennzeichnet, dass die obere (12a, 13a) und untere (12b, 13b) Fläche sich ganz oder teilweise seitlich verlängern und die im Wesentlichen senkrechten Flächen und dieses Kantenelement (8, 80) zu bedecken, die Außenkontur dieser oberen und unteren Fläche befindet sich dabei in Höhe der Außenseite (8b) dieses Kantenelementes (8).
  3. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass dieses Kantenelement (8, 80) ein langgestrecktes Verstärkungselement ist.
  4. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Endabschnitte der unteren und oberen Flächen durch das Endstück der Schutzschicht (13a, 13b) der Schlagfläche des Schlägers gebildet werden, die direkt auf das Kantenelement (8, 80) geklebt sind.
  5. Schläger gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Endabschnitte der unteren und oberen Flächen von den Endstücken der beiden in der Dicke des Schlägers übereinanderliegenden Schichten gebildet werden, eine der Schichten besteht aus einer der Verstärkungsschichten (12a, 12b) der Schlagfläche des Schlägers und die andere Schicht besteht aus der äußeren Schutzschicht des Schlägers, die Endstücke der Verstärkungsschichten (13a, 13b) sind direkt auf das Kantenelement (8, 80) geklebt.
  6. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Kantenelement (8, 80) aus mehreren in Richtung der Dicke E des Schlägers und/ oder in Richtung seiner Breite (18) in Richtung x1 übereinanderliegenden Elementen besteht.
  7. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Innenseite (8a, 80a) des Kantenelementes (8, 80) mit dem Kern (9) des Schlägers über mindestens ein Verstärkungselement (10, 11a, 11b) verbunden ist.
  8. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Verstärkungselement, das den Kern (9) flankiert und sich in den Griff (3) des Schlägers verlängert, eine hohles Rohr (10) ist.
  9. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das an die Innenseite des Kantenelementes (8, 80) geklebte Verstärkungselement eine Einheit, gebildet aus einem Rohr (10) und einer Schicht (11a, 11b) Verbundfasern und/ oder einer Metallschicht ist.
  10. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Kantenelement (8, 80) eine variable Dicke (e8) oder Breite (18) hat.
  11. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Kantenelement (8, 80) eine konstante Dicke (e8) oder Breite (ℓ8) hat.
  12. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Dicke, gebildet aus dem Kantenelement (8, 80) und den Endabschnitten der unteren (12b, 13b) und oberen (12a, 13a) Fläche geringer ist, als die Gesamtdicke (E) des Schlägers.
  13. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Kantenelement (8) auf dem Außenumfang (6) des Schlägers positioniert ist und eine Fläche bildet, die im Wesentlichen senkrecht zur Schlagfläche ist.
  14. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Kantenelement (8) sich mindestens über den vorderen Außenumfang (6) des Schlägerkopfes erstreckt.
  15. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Schläger eine Aussparung (15) in Höhe des Kerns aufweist und dass das Kantenelement (80) auf den Rändern (15a, 15b, 15c) dieser Aussparung positioniert ist, die eine Fläche bilden, die im Wesentlichen senkrecht zu den Schlagflächen (4, 5) des Schlägers ist.
  16. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Kantenelement einerseits den Kern (9) im oberen Teil (15c) der Aussparung (15) umrahmt und andererseits die beiden Zweige (14a, 14b) in den Seitenteilen der (15a, 15b) der Aussparung (15).
  17. Schläger gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Schläger eine Aussparung (15) in Höhe des Kerns und mindestens zwei Kantenelemente (8, 80), angeordnet auf den im Wesentlichen zu den Schlagflächen senkrechten Flächen des Schlägers umfasst, ein Kantenelement (80) ist an den Rändern dieser Aussparung (15) vorgesehen und das andere Kantenelement (8) ist auf dem Außenumfang (6) des Schlägers angeordnet.
  18. Verfahren zur Herstellung eines Schlägers gemäß einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Bestandteile des Schlägers in einer Form positioniert werden, die drei Teile enthält, einen unteren Teil, der den Formboden bildet, einen dazwischenliegenden Teil zur Aufnahme des Kantenelementes (8, 80) und einen oberen Teil, der den Formdeckel bildet.
EP17194468.9A 2016-10-04 2017-10-02 Schläger, insbesondere struktur eines padel-schlägers Active EP3305378B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1659546A FR3056918A1 (fr) 2016-10-04 2016-10-04 Raquette, en particulier structure de raquette de padel
FR1751138A FR3056919B1 (fr) 2016-10-04 2017-02-11 Raquette, en particulier structure de raquette de padel

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EP3305378A1 EP3305378A1 (de) 2018-04-11
EP3305378B1 true EP3305378B1 (de) 2019-03-13

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Publication number Priority date Publication date Assignee Title
FR3117881B1 (fr) 2020-12-21 2023-04-07 Babolat Vs Raquette de padel
USD1016196S1 (en) 2021-12-16 2024-02-27 Selkirk Sport, LLC Sports equipment
CA3239671A1 (en) * 2021-12-16 2023-06-22 Selkirk Sport, LLC Open throat paddle
SK500132022A3 (sk) 2022-03-09 2023-09-27 Casa de Padel j. s. a. Raketa na padel s vylepšenou úderovou plochou

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CN2506310Y (zh) 2001-10-10 2002-08-21 林书伟 具护缘的球拍
GB2445351A (en) 2007-01-05 2008-07-09 Dunlop Slazenger Group Ltd Paddle racket having reduced air resistance
EP2658619A1 (de) 2010-12-28 2013-11-06 Decathlon Ballspielvorrichtung
ES2395181B1 (es) 2011-08-11 2013-12-11 Pedro Dominguez Escudero Procedimiento de fabricacion de palas de padel y producto obtenido
US10864418B2 (en) 2013-07-19 2020-12-15 Wilson Sporting Goods Co. Sports paddle with improved head portion
FR3026016B1 (fr) * 2014-09-23 2018-03-16 Decathlon Sa Raquette pour jeu de balles, et procede correspondant
FR3042124B1 (fr) 2015-10-07 2018-04-06 Skis Rossignol Raquette, en particulier structure de raquette de padel

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