EP4461385B1 - Paddelschläger mit mittelwand und herstellungsverfahren dafür - Google Patents

Paddelschläger mit mittelwand und herstellungsverfahren dafür

Info

Publication number
EP4461385B1
EP4461385B1 EP23194261.6A EP23194261A EP4461385B1 EP 4461385 B1 EP4461385 B1 EP 4461385B1 EP 23194261 A EP23194261 A EP 23194261A EP 4461385 B1 EP4461385 B1 EP 4461385B1
Authority
EP
European Patent Office
Prior art keywords
composite sheet
sheet material
core material
material layer
layer
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.)
Active
Application number
EP23194261.6A
Other languages
English (en)
French (fr)
Other versions
EP4461385A1 (de
EP4461385C0 (de
Inventor
Jing-Bin Chiang
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.)
Yma Corp
Original Assignee
Yma Corp
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 Yma Corp filed Critical Yma Corp
Publication of EP4461385A1 publication Critical patent/EP4461385A1/de
Application granted granted Critical
Publication of EP4461385B1 publication Critical patent/EP4461385B1/de
Publication of EP4461385C0 publication Critical patent/EP4461385C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • A63B60/40—Details or accessories of golf clubs, bats, rackets or the like having holding means provided inside, on the edge or on the rear face of the striking surface
    • 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
    • A63B2209/00—Characteristics of used materials
    • A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • A63B2209/023—Long, oriented fibres, e.g. wound filaments, woven fabrics, mats
    • 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
    • A63B60/50—Details or accessories of golf clubs, bats, rackets or the like with through-holes

Definitions

  • the present invention relates to a method for manufacturing a paddle tennis racket and specifically speaking, to a manufacturing method of a paddle tennis racket having a core rib sheet, which has a relatively better rigidity in overall structure.
  • Paddle tennis is a sport played with a racket for hitting a ball and similar to tennis.
  • Paddle tennis can be played as singles or doubles, which is smaller in both activity quantity and exercise quantity than tennis and thus suitable for people of all ages, gradually becoming popular and liked by the general masses in recent years.
  • the traditional paddle tennis racket is provided therein with a uniform core which is made of a single core material. Limited by the material and structure of the core, the rigidity of the traditional paddle tennis racket is relatively lower. Therefore, when the player hits the ball, the ball bounces off the racket with relatively smaller force, that may weaken the performance of the player attacking and counterattacking during the game.
  • CN216653316 U discloses a racket tool with a frame body, a handle.
  • the frame body comprises a frame wall and a grab handle which are connected with each other, and the frame wall encloses an accommodating space;
  • the three-dimensional net rack is arranged in the accommodating space, one circumferential side of the three-dimensional net rack is fixedly connected to the frame wall, and the three-dimensional net rack comprises a plurality of channels penetrating through the two sides of the three-dimensional net rack in the thickness direction.
  • the two face patting parts are arranged on the two opposite sides of the three-dimensional net rack and fixedly connected to the frame wall, each face patting part comprises a plurality of through holes, and the through holes correspond to and are communicated with the channels.
  • a manufacturing method of a paddle tennis racket having a core rib sheet includes a ball hitting portion, and a handle portion connected with the ball hitting portion.
  • the aforementioned ball hitting portion includes a racket frame, a first surface layer, a second surface layer, and an internal structure.
  • the racket frame has an inner wall, and an accommodating space formed in an encircled manner by the inner wall.
  • the internal structure is disposed in the accommodating space, and includes an upper core material layer, a lower core material layer, and a core rib sheet piled between the upper core material layer and the lower core material layer.
  • the first surface layer is laid on the top surface of the upper core material layer.
  • the second surface layer is laid on the bottom surface of the lower core material layer.
  • the aforementioned racket frame, first surface layer, second surface layer and core rib sheet are all made of carbon fiber reinforced composite material, and the first surface layer, the second surface layer and the core rib sheet are all integrally connected with the racket frame.
  • the manufacturing method includes the steps of: providing a plurality of windable sheet materials coated with resin, and an expandable material, the windable sheet materials being made of carbon cloth; winding the windable sheet materials coated with resin on the exterior of the aforementioned expandable material to form a tube-shaped structure, the aforementioned tube-shaped structure having a first end portion and a second end portion opposite to the first end portion; bending the aforementioned tube-shaped structure in a way that the aforementioned tube-shaped structure is formed with a frame and a column connected with the frame, an accommodating space is formed in an encircled manner by the inner wall of the aforementioned frame, and the first end portion and the second end portion are abutted upon each other linearly to be formed into the aforementioned column; laying a lower composite
  • the first surface layer, the second surface layer and the core rib sheet which are made of carbon fiber reinforced composite material and have high strength, are all parallel to each other to be connected with the inner wall of the racket frame, so the first surface layer, the second surface layer and the core rib sheet structurally present a parallel connected condition.
  • the integrally connected core rib sheet and racket frame form a structure similar to the English letter "I", that makes the overall rigidity of the paddle tennis racket relatively better.
  • the force of the hit ball transmitted to the interior of the paddle tennis racket can be borne relatively better and bounced back to the ball, causing the bouncing ball relatively stronger power, that can be conducive to the performance of the player attacking and counterattacking during the game.
  • the upper core material layer and the lower core material layer may be equal in thickness.
  • the upper core material layer and the lower core material layer may be made of a same material. In some situations, the upper core material layer and the lower core material layer may be made of different materials.
  • a paddle tennis racket 1 which includes a ball hitting portion 10, and a handle portion 20 connected with the ball hitting portion 10.
  • the ball hitting portion 10 is the portion of the paddle tennis racket 1 for hitting the ball.
  • the thickness of the ball hitting portion 10 is ranged from 22 millimeters to 38 millimeters (mm), so as to meet the standard of the paddle tennis racket 1.
  • the ball hitting portion 10 structurally includes a racket frame 11, a first surface layer 12, an internal structure 13, and a second surface layer 14.
  • the racket frame 11 is formed from carbon fiber reinforced composite material by pressurizing and heating and then solidified.
  • the inside of the racket frame 11 in this embodiment is hollow in shape.
  • the racket frame 11 has an inner wall 111, and an approximately diamond-shaped accommodating space is formed in an encircled manner by the inner wall 111.
  • the internal structure 13 is disposed in the aforementioned accommodating space.
  • the first surface layer 12 and the second surface layer 14 are the parts for directly contacting the ball.
  • the first surface layer 12 and the second surface layer 14 are also made of carbon fiber reinforced composite material.
  • the first surface layer 12 is integrally connected with the upper rim of the racket frame 11.
  • the second surface layer 14 is integrally connected with the lower rim of the racket frame 11.
  • the internal structure 13 is disposed between the first surface layer 12 and the second surface layer 14.
  • the internal structure 13 includes an upper core material layer 131, a lower core material layer 133, and a core rib sheet 132 piled between the upper core material layer 131 and the lower core material layer 133.
  • the aforementioned first surface layer 12 is laid on the top surface of the upper core material layer 131.
  • the upper core material layer 131 is a foam layer structure, and made of EVA (ethylene-vinyl acetate) by foaming.
  • the Shore hardness of EVA is Shore A 10-25. EVA has great rigidity, and is conducive to hitting feeling.
  • the core rib sheet 132 is arranged for providing supporting effect. A plurality of sheets of carbon cloth are piled and solidified to become the core rib sheet 132.
  • the outer periphery of the core rib sheet 132 is integrally connected with the racket frame 11.
  • the second surface layer 14 is laid on the bottom surface of the lower core material layer 133.
  • the lower core material layer 133 is also a foam layer structure, and also made of EVA by foaming.
  • the thickness of the lower core material layer 133 is equal to the thickness of the upper core material layer 131.
  • the racket frame 11, the first surface layer 12, the second surface layer 14 and the core rib sheet 132 are all made of carbon fiber reinforced composite material, in the process that a mold and an expandable material, which will be detailedly described in the paragraphs herein below, are used for heating and pressurizing the carbon fiber reinforced composite material, the carbon fiber reinforced composite material will be softened and undergo a crosslinking reaction, so as to be formed into the appearance of each aforementioned component.
  • the ball hitting portion 10 is further provided with a plurality of through holes 15.
  • Each through hole 15 penetrates through the first surface layer 12, the internal structure 13 and the second surface layer 14, enabling air flow to pass through the ball hitting portion 10 smoothly, thereby lowering wind resistance.
  • the handle portion 20 is arranged for the user to hold.
  • the handle portion 20 is integrally connected with the racket frame 11. Besides, the handle portion 20 is covered with a grip strap 21 for anti-slip and anti-vibration.
  • the first surface layer 12, the second surface layer 14 and the core rib sheet 132 which are made of carbon fiber reinforced composite material and have high strength, are all parallel to each other to be connected with the inner wall 111 of the racket frame 11, so the first surface layer 12, the second surface layer 14 and the core rib sheet 132 structurally present a parallel connected condition.
  • the integrally connected core rib sheet 132 and racket frame 11 form a structure similar to the English letter "I", that makes the overall rigidity of the paddle tennis racket 1 relatively better.
  • the force of the hit ball transmitted to the interior of the paddle tennis racket 1 can be borne relatively better and bounced back to the ball, causing the bouncing ball relatively stronger power, that can be conducive to the performance of the player attacking and counterattacking during the game.
  • a manufacturing method for manufacturing the paddle tennis racket 1'.
  • the aforementioned manufacturing method includes the following steps:
  • the windable sheet materials S are essentially a plurality of layers of carbon cloth.
  • the expandable material F in this embodiment is a gas bag.
  • the gas bag can be inflated to expand. According to different manufacturing processes, the gas bag may be filled with foam material.
  • the step S2 wind the windable sheet materials S coated with resin on the exterior of the expandable material F to form a tube-shaped structure T, as shown in FIG. 6B .
  • the aforementioned tube-shaped structure T has a first end portion E1 and a second end portion E2 opposite to the first end portion E1. At this time, the expandable material F is not inflated to expand yet.
  • the step S3 place the aforementioned tube-shaped structure T in a cavity C of a mold M, and bend the aforementioned tube-shaped structure T to make the tube-shaped structure T formed with a frame 30 and a column 40 connected with each other, as shown in FIG. 6C , wherein an accommodating space R is formed in an encircled manner by the inner wall of the frame 30, and the first end portion E1 and the second end portion E2 are abutted upon each other linearly to be formed into the column 40.
  • FIG. 6D to FIG. 6H are drawn as sectional views from the same perspective with that along the line L-L in FIG. 6C .
  • the step S4 in the cavity C and in the accommodating space R, lay a layer of lower composite sheet material 16 on the inner wall of the cavity C (as shown in FIG. 6D ), lay a lower core material layer 133 on the lower composite sheet material 16 (as shown in FIG. 6E ), lay a first middle composite sheet material 17 and a second middle composite sheet material 18 on the lower core material layer 133, bend the outer periphery of the first middle composite sheet material 17 downwardly to make the outer periphery of the first middle composite sheet material 17 attached between the inner wall of the frame 30 and the lower core material layer 133, and bend the outer periphery of the second middle composite sheet material 18 upwardly (as shown in FIG. 6F ).
  • a reinforcing rib 50 shown in FIG. 6J ) may be further placed.
  • the lower composite sheet material 16, the first middle composite sheet material 17, the second middle composite sheet material 18 and the upper composite sheet material 19 are all made of carbon cloth.
  • the upper core material layer 131 and the lower core material layer 133 may be made of EVA by foaming, and the upper core material layer 131 and the lower core material layer 133 are equal in thickness.
  • the after-bending tube-shaped structure T and the after-laying lower composite sheet material 16, lower core material layer 133, first middle composite sheet material 17, second middle composite sheet material 18, upper core material layer 131 and upper composite sheet material 19 are collectively defined as a preformed member.
  • the step S5 pressurize and heat the aforementioned preformed member through the aforementioned mold M, and inflate the expandable material F to expand the aforementioned expandable material F, so that the column 40 is heat cured and then formed into the handle portion 20, the frame 30 is heat cured and then formed into the racket frame 11, the upper composite sheet material 19 is heat cured and integrally connected with the racket frame 11 and then formed into the first surface layer 12, the lower composite sheet material 16 is heat cured and integrally connected with the racket frame 11 and then formed into the second surface layer 14, the first middle composite sheet material 17 and the second middle composite sheet material 18 are heat cured, integrally connected with each other and both integrally connected with the racket frame 11 and then collectively formed into the core rib sheet 132 (as shown in FIG.
  • the after-forming upper core material layer 131, lower core material layer 133 and core rib sheet 132 are collectively defined as the internal structure 13
  • the after-forming racket frame 11, first surface layer 12, second surface layer 14 and internal structure 13 are collectively defined as the ball hitting portion 10
  • the ball hitting portion 10 and the handle portion 20 are collectively defined as the paddle tennis racket 1' (as shown in FIG. 6J ).
  • the step S6 the end step: drill a plurality of through holes 15 in the ball hitting portion 10 of the paddle tennis racket 1', and wind the grip strap 21 on the handle portion 20.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Claims (3)

  1. Herstellungsverfahren für einen Paddle-Tennisschläger (1'), worin der Paddle-Tennisschläger (1') einen Ballschlagbereich (10) und einen mit dem Ballschlagbereich (10) verbundenen Griffbereich (20) umfasst, worin der Ballschlagbereich (10) einen Schlägerrahmen (11), eine erste Oberflächenschicht (12), eine zweite Oberflächenschicht (14) und eine innere Struktur (13) umfasst, worin der Schlägerrahmen (11) eine Innenwand (111) und einen von der Innenwand (111) umschlossenen Aufnahmeraum aufweist, worin die innere Struktur (13) in dem Aufnahmeraum angeordnet ist und eine obere Kernmaterialschicht (131), eine untere Kernmaterialschicht (133) und eine Kernrippenplatte (132) umfasst, die zwischen der oberen Kernmaterialschicht (131) und der unteren Kernmaterialschicht (133) angeordnet ist, worin die erste Oberflächenschicht (12) auf einer Oberseite der oberen Kernmaterialschicht (131) und die zweite Oberflächenschicht (14) auf einer Unterseite der unteren Kernmaterialschicht (133) angeordnet ist, worin der Schlägerrahmen (11), die erste Oberflächenschicht (12), die zweite Oberflächenschicht (14) und die Kernrippenplatte (132) aus kohlenstofffaserverstärktem Verbundmaterial gefertigt sind, und die erste Oberflächenschicht (12), die zweite Oberflächenschicht (14) und die Kernrippenplatte (132) einstückig mit dem Schlägerrahmen (11) verbunden sind, wobei das Herstellungsverfahren dadurch gekennzeichnet ist, dass es die Schritte umfasst:
    Bereitstellen mehrerer wickelbarer, mit Harz beschichteten Folienmaterialien (S) und eines expandierbaren Materials (F), worin die wickelbaren Folienmaterialien (S) aus Kohlenstoffgewebe bestehen;
    Wickeln der mit Harz beschichteten wickelbaren Blattmaterialien (S) auf die Außenseite des expandierbaren Materials (F), um eine röhrenförmige Struktur (T) zu bilden, worin die röhrenförmige Struktur (T) einen ersten Endabschnitt (E1) und einen dem ersten Endabschnitt (E1) abgewandten zweiten Endabschnitt (E2) aufweist;
    Biegen der röhrenförmigen Struktur (T) derart, dass die röhrenförmige Struktur (T) mit einem Rahmen (30) und einer mit dem Rahmen (30) verbundenen Säule (40) ausgebildet wird, wobei ein Aufnahmeraum (R) umschlossen durch eine Innenwand des Rahmens (30) ausgebildet wird, und der erste Endabschnitt (E1) und der zweite Endabschnitt (E2) linear aneinanderstoßen, um die Säule (40) auszubilden;
    Auftragen eines unteren Verbundplattenmaterials, einer unteren Kernmaterialschicht (133), eines erstes mittleren Verbundplattenmaterials (17), eines zweiten mittleren Verbundplattenmaterials (18), einer oberen Kernmaterialschicht (131) und eines oberen Verbundplattenmaterials (19) in der Reihenfolge von unten nach oben in den Aufnahmeraum (R), Biegen des Außenumfang des ersten mittleren Verbundplattenmaterials (17) nach unten, um den Außenumfang des ersten mittleren Verbundplattenmaterials (17) zwischen der Innenwand des Rahmens (30) und der unteren Kernmaterialschicht (133) zu befestigen, und Biegen eines Außenumfangs des zweiten mittleren Verbundplattenmaterials (18) nach oben, um den Außenumfang des zweiten mittleren Verbundplattenmaterials (18) zwischen der Innenwand des Rahmens (30) und der oberen Kernmaterialschicht (131) anzubringen, worin das untere Verbundplattenmaterial, das erste mittlere Verbundplattenmaterial (17), das zweite mittlere Verbundplattenmaterial (18) und das obere Verbundplattenmaterial (19) aus Kohlenstoffgewebe bestehen; wobei die nach dem Biegen röhrenförmige Struktur (T) und das nach dem Verlegen untere Verbundplattenmaterial, die untere Kernmaterialschicht (133), das erste mittlere Verbundplattenmaterial (17), das zweite mittlere Verbundplattenmaterial (18), die obere Kernmaterialschicht (131) und das obere Verbundplattenmaterial (19) zusammen als vorgeformtes Element definiert sind;
    unter Druck setzen und Erhitzen des vorgeformten Elements und Expandieren des expandierbaren Materials (F), um die Säule (40) mit Wärme zu härten und dann zum Griffbereich (20) auszuformen, den Rahmen (30) mit Wärme zu härten und dann zum Schlägerrahmen (11) auszuformen, das obere Verbundplattenmaterial (19) mit Wärme zu härten und einstückig mit dem Schlägerrahmen (11) zu verbinden und dann zur ersten Oberflächenschicht (12) auszuformen, das untere Verbundplattenmaterial mit Wärme zu härten und einstückig mit dem Schlägerrahmen (11) zu verbinden und dann zur zweiten Oberflächenschicht (14) auszuformen und das erste mittlere Verbundplattenmaterial (17) und das zweite mittlere Verbundplattenmaterial (18) mit Wärme zu härten, einstückig miteinander zu verbinden und beide einstückig mit dem Schlägerrahmen (11) zu verbinden und dann gemeinsam zu der Kernrippenplatte (132) auszuformen, so dass die nach dem Ausformen gebildete obere Kernmaterialschicht (131), die untere Kernmaterialschicht (133) und die Kernrippenplatte (132) gemeinsam als die innere Struktur (13) definiert sind, und nach dem Formen der Schlägerrahmen (11), die erste Oberflächenschicht (12), die zweite Oberflächenschicht (14) und die innere Struktur (13) gemeinsam als Ballschlagbereich (10) definiert sind, und der Ballschlagbereich (10) und der Griffbereich (20) gemeinsam als Paddle-Tennisschläger (1') definiert sind.
  2. Herstellungsverfahren nach Anspruch 1, dadurch gekennzeichnet, dass die obere Kernmaterialschicht (131) und die untere Kernmaterialschicht (133) gleich dick sind.
  3. Herstellungsverfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die obere Kernmaterialschicht (131) und die untere Kernmaterialschicht (133) aus dem gleichen Material bestehen.
EP23194261.6A 2023-05-08 2023-08-30 Paddelschläger mit mittelwand und herstellungsverfahren dafür Active EP4461385B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW112117054A TWI845297B (zh) 2023-05-08 2023-05-08 具肋片芯材的板網球拍及其製造方法

Publications (3)

Publication Number Publication Date
EP4461385A1 EP4461385A1 (de) 2024-11-13
EP4461385B1 true EP4461385B1 (de) 2025-11-05
EP4461385C0 EP4461385C0 (de) 2025-11-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP23194261.6A Active EP4461385B1 (de) 2023-05-08 2023-08-30 Paddelschläger mit mittelwand und herstellungsverfahren dafür

Country Status (4)

Country Link
EP (1) EP4461385B1 (de)
CN (1) CN118903796A (de)
ES (1) ES3059153T3 (de)
TW (1) TWI845297B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM623441U (zh) * 2021-11-17 2022-02-11 呈家企業有限公司 拍具

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1063992Y (es) * 2006-10-30 2007-04-01 Shu-Wei Lin Pala de padel amortiguadora
ES2731466T3 (es) * 2007-10-24 2019-11-15 Head Technology Gmbh Sistema y procedimiento de uso de materiales de espesamiento al corte en productos deportivos
US20160184678A1 (en) * 2014-12-30 2016-06-30 Aztek Racquet Sports LLC Sports paddle and method of manufacture
FR3064186B1 (fr) * 2017-03-22 2021-07-30 Babolat Vs Raquette de padel
ES2867374A1 (es) * 2020-04-17 2021-10-20 Rdb Worldwide S A Procedimiento de obtención de una pala de pádel y pala obtenida
TWM623441U (zh) * 2021-11-17 2022-02-11 呈家企業有限公司 拍具

Also Published As

Publication number Publication date
TWI845297B (zh) 2024-06-11
EP4461385A1 (de) 2024-11-13
ES3059153T3 (en) 2026-03-19
CN118903796A (zh) 2024-11-08
TW202444453A (zh) 2024-11-16
EP4461385C0 (de) 2025-11-05

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