EP1570883A1 - Raquette pour des jeux de balle et procédés de fabrication - Google Patents

Raquette pour des jeux de balle et procédés de fabrication Download PDF

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Publication number
EP1570883A1
EP1570883A1 EP05004225A EP05004225A EP1570883A1 EP 1570883 A1 EP1570883 A1 EP 1570883A1 EP 05004225 A EP05004225 A EP 05004225A EP 05004225 A EP05004225 A EP 05004225A EP 1570883 A1 EP1570883 A1 EP 1570883A1
Authority
EP
European Patent Office
Prior art keywords
damping
clock
racket
layers
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05004225A
Other languages
German (de)
English (en)
Other versions
EP1570883B1 (fr
Inventor
Johannes Mauser
Klaus Rambach
Manfred Emberger
Johan Kotze
Herfried Lammer
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.)
Head Technology GmbH
Original Assignee
Head Technology GmbH
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 Head Technology GmbH filed Critical Head Technology GmbH
Publication of EP1570883A1 publication Critical patent/EP1570883A1/fr
Application granted granted Critical
Publication of EP1570883B1 publication Critical patent/EP1570883B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • A63B2102/02—Tennis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00—Stringed rackets, e.g. for tennis
    • A63B49/02—Frames
    • 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
    • A63B60/54—Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations

Definitions

  • the present invention relates to a racquet for ball games, in particular a Tennis, squash, badminton, racquetball or paddle tennis rackets, with excellent Handling characteristics, as well as a manufacturing method for such a racket.
  • Such racquets typically include a frame having a club head and forms a handle portion connected thereto. Typically, in the transition area formed between the club head and the handle portion a so-called heart area.
  • the frame is formed of a frame profile or hollow profile, which consists of a carbon fiber reinforced plastic material is produced in a molding press.
  • the club head of the racket defines a clothing plane in which the fabric the racket is placed. To record the strings of the stringing are on the frame Through holes lying in the clothing plane for the passage of stringed strings intended.
  • this racket is based on consideration, no direct connection between the head area and the gripping area of the racket over which Shocks and vibrations can be transmitted.
  • this is a racket in three parts, namely in a head area, a connection area and a handle section.
  • EP 0 441 971 B2 discloses a racket with a frame section, a Neck section and a handle section.
  • a vibration reducing material becomes part of it of the material forming the handle portion or the neck portion and the handle portion forms or forms the frame portion, the neck portion and the handle portion.
  • the main body of the racket may be formed by so-called prepregs, for example by winding several prepreg layers around a core, wherein a film the vibration reducing material is wound over it. If necessary, additional Layers of the prepreg are wound over it.
  • the present invention is based on the object, an improved racket for ball games, the excellent shock absorption properties and having vibrations. This task comes with a racket with the characteristics of independent claim 1 solved.
  • Independent claim 17 relates to a production process for the racket according to the invention. Preferred embodiments of the manufacturing process are laid down in the dependent claims.
  • the racquet for ball games according to the invention has a frame, the one Club head and thus connected via a heart region handle portion.
  • Of the Frame is formed by winding a plurality of layers of sheet material as a hollow profile.
  • At the club head of the racquet according to the invention several damping layers are in pairs provided substantially symmetrically to the longitudinal axis of the racket, which between the Hollow profile forming layers are wrapped.
  • damping position is to be understood as meaning that it is preferably is a shock and / or vibration absorbing material, such as Rubber or synthetic rubbers.
  • Preferred materials are polyisoprenes, styrene-butadiene rubbers, Polychloroprenes or urethane rubbers.
  • the hardness of the damping layers forming damping material is preferably greater than 30 Shore A, especially The hardness is preferably in the range between 65 and 75 Shore A, in particular approximately 70 Shore A.
  • a dial used a conventional clock, with the twelve o'clock position (XII) at the extreme free End of the racket, i. at the opposite end of the handle portion provided is.
  • the three o'clock position or nine o'clock position is usually in the middle of the longitudinal extent of the club head (see Fig. 1a).
  • a damping position is in the range between 4 o'clock and 6 o'clock, in particular at about 5 o'clock, and a further damping position substantially symmetrical between 6 o'clock and 8 o'clock, in particular at about 7 o'clock.
  • damping layers are preferably from a sheet or sheet of suitable dimensions in terms of length, width and thickness, wherein the damping material is preferably a Rectangular piece of sheet material is.
  • the damping material especially between 4 o'clock and 6 o'clock or between 6 o'clock and 8 o'clock located damping layers forming damping material, preferably has a thickness in the range between 0.05 mm and 0.3 mm, more preferably between 0.15 mm and 0.25 mm, and most preferably about 0.2 mm.
  • the width of the damping material i. the extension in the winding direction is preferred so dimensioned that the damping material in the wound state over at least one, preferably two or more windings in the cross section of the frame profile extends to form the damping layers.
  • the damping material in particular that between 4 o'clock and 6 o'clock or between 6 o'clock and 8 o'clock located damping positions forming damping material, preferably a width in the range between 30 mm and 150 mm, more preferably between 70 mm and 140 mm, most preferably between 80 mm and 130 mm, on.
  • the width and thickness of the damping material are preferably chosen such that the sum of the thicknesses of the individual layers of the Damping material per wall of the frame profile in the finished frame preferably in Range of about 0.1 mm to 0.6 mm, preferably 0.3 mm to 0.5 mm.
  • the length of the damping layers, in particular between 4 o'clock and 6 o'clock or 6 o'clock Clock and 8 o'clock provided damping, along the frame profile is preferably in the range between 20 mm and 150 mm, more preferably between 40 mm and 110 mm.
  • the dimensions of the damping material are selected as a function of the size of the striking surface and / or the circumference of the frame profile in the region of the damping layers.
  • the cushioning material has a length along the frame of 90 mm to 130 mm, preferably 105 mm to 115 mm, more preferably about 110 mm.
  • the width of the damping material in the winding direction is approximately in the range between 110 mm and 150 mm, preferably between 125 mm and 135 mm, more preferably approximately 130 mm.
  • At least one, preferably two to three, windings can be realized with the damping material having the above dimensions.
  • the cushioning material has a length along the frame of 60 mm to 100 mm, preferably 75 mm to 85 mm, more preferably about 80 mm.
  • the width of the damping material in the winding direction is approximately in the range between 60 mm and 100 mm, preferably between 75 mm and 85 mm, more preferably at about 80 mm.
  • a frame height of about 21 mm to 25 mm and a circumference of the frame profile in the region of the damping layer (at 4 o'clock) of about 69 mm at least one, preferably one to two, windings can be realized with the damping material having the above dimensions.
  • the cushioning material has a length along the frame of 20 mm to 60 mm, preferably 35 mm to 45 mm, more preferably about 40 mm.
  • the width of the damping material in the winding direction is approximately in the range between 60 mm and 100 mm, preferably between 75 mm and 85 mm, more preferably at about 80 mm.
  • a frame height of about 19 mm and a circumference of the frame profile in the region of the damping position (at 4 o'clock) of about 50 mm at least one, preferably two, windings can be realized with the damping material having the above dimensions.
  • damping layers in providing a plurality of strips of damping material which are advantageously parallel aligned with each other.
  • the strips can be wrapped so as to partially overlap one another overlap at least in the peripheral areas, wherein the material forming the frame (e.g., carbon fiber layers) between them.
  • the width of the stripes is typically in the Range between 3 mm and 10 mm, more preferably between 5 mm and 7 mm. Through this Strip can also absorb the shock or vibration energy effectively To ensure excellent damping properties, while saving weight can be.
  • the invention further relates to a method for producing a racket, to which first a windable sheet material, e.g. Carbon or carbon tracks, provided on which a web-shaped damping material is placed. Then be the layer material with the at least partially positioned damping material wrapped into a tube, which then to a frame forming the frame profile is formed.
  • a windable sheet material e.g. Carbon or carbon tracks
  • the layer material with the at least partially positioned damping material wrapped into a tube which then to a frame forming the frame profile is formed.
  • a molding press is used, in which the hose inserted is formed and under the action of pressure and temperature.
  • the educated Frame has a club head and a connected via a heart area Handle portion, wherein at the club head and / or in the heart area at least one between the hollow profile forming layers wrapped damping layer is provided.
  • the racket according to the invention has the particular advantage that it is excellent Has damping properties. At the same time, the production of the racket is relatively simple and therefore cost-effective.
  • the racket 2 is formed from a frame 4 and has a Club head 6 and thus connected via a heart region 8 handle portion 10.
  • the frame 4 is formed of a hollow profile, which Winding multiple layers is made. These are usually first flexible web-like Materials such as e.g. Carbon or carbon sheets used, usually at an angle of ⁇ 45 ° to the frame direction. The one above the other lying materials are rolled into a "tube", so that several superimposed lying windings of the web result. This hose will then be in a molding press under the action of pressure and temperature to form the frame Molded hollow profile.
  • These are usually first flexible web-like Materials such as e.g. Carbon or carbon sheets used, usually at an angle of ⁇ 45 ° to the frame direction.
  • the one above the other lying materials are rolled into a "tube", so that several superimposed lying windings of the web result.
  • This hose will then be in a molding press under the action of pressure and temperature to form the frame Molded hollow profile.
  • the racket 2 has at least one between the hollow profile forming layers wrapped damping material, as shown in Figure 2 in the finished Racket forms a damping layer 12.
  • the damping layer 12 is between two adjacent Layers 14 and 16 of the frame forming web arranged. Thereby can occur between the individual layers 14 and 16 shear stresses by means the damping material are effectively degraded.
  • the racket 2 has a pair Damping layers 12a, 12b, which are substantially symmetrical to the longitudinal axis of the racket 2 are arranged.
  • the damping layer 12a is approximately in the range between 4 o'clock and 6 o'clock. It is particularly preferred, the damping layer 12a at about 5 o'clock train.
  • the symmetrically arranged damping layer 12b is approximately in the range between 6 o'clock and 8 o'clock. It is particularly advantageous, the damping layer 12b at about 7 o'clock at the club head.
  • the first pair of damping layers 12a, 12b is arranged as in the embodiment according to FIG. 1a.
  • the second Pair of damping layers 12 c, 12 d is provided closer to a free end 18 of the club head 6.
  • the damping layer 12c is approximately in the range between 9 o'clock and 11 o'clock Clock, with a position at about 10 o'clock is particularly preferred.
  • the damping layer 12d is preferably between 1 o'clock and 3 o'clock, more preferably at about 2 o'clock.
  • the damping material preferably has a thickness in the range between 0.05 mm and 0.3 mm, more preferably between 0.15 mm and 0.25 mm, and particularly preferred of about 0.2 mm.
  • the width of the damping material in the winding direction is preferably such that the damping layer 12 at least once around the circumference of the Frame 4 forming hollow profile, i. has at least one winding. It is however, more preferably, the width to be such that the damping material extends over at least two windings.
  • the damping material preferably a width in the range between 30 mm and 150 mm, more preferably between 70 mm and 140 mm, and most preferably between 80 mm and 130 mm.
  • the length L of the Damping layer 12 in the direction of the frame extension is preferably in the range between 20 mm and 150 mm, more preferably between 40 mm and 110 mm.
  • the damping material can according to the embodiment shown schematically in Figure 3 also in Form of several strips 20 may be formed.
  • the strips 20 are preferably parallel to each other arranged and together form a damping layer 12, which in their dimensions preferably in the range of the above-described continuous damping layer.
  • the strips 20 of the damping layer 12 are preferably thereby formed so that from a roughly rectangular piece of damping material several parallel Recesses 22 are cut out. This results in mutually parallel and along the circumference of the rectangle interconnected strips 20.
  • This Damping material 12 can thus also be handled as an integral element.
  • the individual strips 20 preferably have a length 1 in the range between 3 mm and 10 mm, more preferably between 5 mm and 7 mm.
  • the effect of the invention the improved damping is also with this strip-shaped design of the damping layer 12 ensures that the individual strips 20 also between adjacent Remove layers 14, 16 occurring shear stresses.
  • the individual strips 20 can be provided perpendicular to the extension of the frame at the relevant point. It can but also be advantageous to provide the strips 20 at an angle relative to the winding direction, so that in the wound state adjacent strips overlap at least partially can. Suitable angles for winding the damping material are preferably in the range between 0 ° and 45 °, preferably between 5 ° and 15 ° to the frame longitudinal direction. In this arrangement, shear stresses between adjacent layers 14, 16 of the frame 4 forming layer material effectively degraded.
  • the racket 2 according to the invention has essentially the advantage that it despite his integral or integral construction has excellent damping properties, while being easy to produce at the same time.
  • Figure 4 is an illustration showing how the position and size of Damping layers on the club head affect the deformation of the club under load.
  • the diagram shows the deformation in millimeters of the racket at a specific measuring point. The measuring point is shown on the x-axis of the diagram, with the respective Measuring point is defined as the distance from the extreme head of the racket. On the y-axis the deformation is shown in millimeters.
  • a first one called "175-R0-H0" (dark gray curve)
  • a second one with the designation "175-R55-H0" light gray curve
  • a third one called "175-R110-H0" (white characteristic).
  • the name “175" is a name of the bat.
  • the term “Rx” provides information about the Length L of the damping layer in the direction of the frame extension. That is, “R0” concerns a racket without cushioning, “R55” refers to a racket with a cushioning layer a length of 55 mm, and “R110” refers to a racket with a cushioning layer of a Length of 110 mm.
  • the damping layers are each provided at about 5 o'clock or 7 o'clock, So in the range between 4 o'clock and 6 o'clock or 6 o'clock and 8 o'clock.
  • the racket according to the invention is thus compared with rackets without damping layer Considerably superior in handling properties. Furthermore, the inventive Bat also against clubs with provided in the grip section damping layers significantly improved in terms of its handling, as in rackets with damping layers in the grip section a relatively soft racket is present in the area of the handle. This may result in an effective way of damping, but at the same time with a loss of clout.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Laminated Bodies (AREA)
  • Golf Clubs (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
EP05004225A 2004-03-03 2005-02-25 Raquette pour des jeux de balle et procédés de fabrication Expired - Lifetime EP1570883B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004010349 2004-03-03
DE102004010349A DE102004010349B4 (de) 2004-03-03 2004-03-03 Schläger für Ballspiele und Herstellungsverfahren

Publications (2)

Publication Number Publication Date
EP1570883A1 true EP1570883A1 (fr) 2005-09-07
EP1570883B1 EP1570883B1 (fr) 2007-07-11

Family

ID=34745360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05004225A Expired - Lifetime EP1570883B1 (fr) 2004-03-03 2005-02-25 Raquette pour des jeux de balle et procédés de fabrication

Country Status (6)

Country Link
US (1) US7077767B2 (fr)
EP (1) EP1570883B1 (fr)
CN (1) CN100488586C (fr)
AT (1) ATE366608T1 (fr)
DE (2) DE102004010349B4 (fr)
TW (1) TWI337883B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10308532B3 (de) * 2003-02-27 2004-10-21 Head Technology Ges.M.B.H. Schläger für Ballspiele
EP1981600A2 (fr) * 2006-02-02 2008-10-22 Head Technology GmbH Raquette
EP2205329B1 (fr) * 2007-10-24 2016-11-30 Head Technology GmbH Système et procédé d'utilisation de matériaux d'épaississement par cisaillement dans des produits de sports
US8342989B2 (en) 2008-11-14 2013-01-01 Head Technology Gmbh Sporting goods with graphene material
CN103272374B (zh) * 2013-06-07 2015-10-07 南京胜利体育用品实业有限公司 羽毛球拍制造方法
CA3147894A1 (fr) * 2019-07-22 2021-01-28 Vt Advantec, Llc Amortisseurs pour equipement sportif et equipement sportif comprenant ceux-ci
JP7585625B2 (ja) 2020-06-11 2024-11-19 住友ゴム工業株式会社 ラケット
TWI814038B (zh) * 2021-07-22 2023-09-01 陳威融 減震裝置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0441971A1 (fr) * 1989-08-28 1991-08-21 Toray Industries, Inc. Articles de sport et materiau amortissant les chocs applique sur les articles de sport
US5928090A (en) * 1997-09-09 1999-07-27 Cabales; Raymund S. Golf shaft for controlling passive vibrations
US20020058557A1 (en) * 2000-09-21 2002-05-16 Yumi Kanemitsu Dynamic damper and dynamic damper-installed tennis racket
WO2003057322A2 (fr) * 2002-01-10 2003-07-17 Georg Ignatius Raquette permettant de frapper des balles de tennis et corps de jeu analogues

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609198A (en) * 1983-11-08 1986-09-02 Tarr Robert G Racket handle assembly having vibration dampening characteristics
US5314180A (en) * 1989-08-28 1994-05-24 Toray Industries, Inc. Sports instrument and impact-absorbing element to be attached to sports equipment
EP0550121B1 (fr) * 1992-01-08 1995-12-20 Chin-San You Cadre de raquette
CN2147017Y (zh) * 1993-01-30 1993-11-24 罗光男 球拍的三九点吸震构造
US6422958B1 (en) * 1994-02-24 2002-07-23 David W. Repetto Frame for a game racquet formed by filament winding
JP2798002B2 (ja) * 1995-04-20 1998-09-17 ヤマハ株式会社 ラケットフレームおよびその製法
US5982090A (en) * 1997-07-11 1999-11-09 Kaiser Aerospace And Electronics Coporation Integrated dual mode flat backlight
US6524692B1 (en) * 2000-05-02 2003-02-25 Structured Composites, Lp Energy absorbing structural laminate
US6500080B2 (en) * 2001-05-04 2002-12-31 Wilson Sporting Goods Co. Game racquet with separate head and handle portions for reducing vibration
US20030073523A1 (en) * 2001-10-16 2003-04-17 Hsu Young-Chen Method for manufacturing rackets with shock absorbing members with single heating process
US20030073522A1 (en) * 2001-10-16 2003-04-17 Hsu Young-Chen Method for manufacturing rackets with shock absorbing members
DE20209723U1 (de) * 2001-10-16 2002-12-19 Hsu, Young-Chen, Taichung, Nan-Tun Schläger
US6663515B1 (en) * 2002-08-15 2003-12-16 Chin-Dong Pai Racket with a head and a handle both made of different materials
JP4041031B2 (ja) * 2003-07-04 2008-01-30 Ｓｒｉスポーツ株式会社 ラケットフレーム
JP3970865B2 (ja) * 2003-11-27 2007-09-05 Ｓｒｉスポーツ株式会社 ラケットフレーム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0441971A1 (fr) * 1989-08-28 1991-08-21 Toray Industries, Inc. Articles de sport et materiau amortissant les chocs applique sur les articles de sport
US5928090A (en) * 1997-09-09 1999-07-27 Cabales; Raymund S. Golf shaft for controlling passive vibrations
US20020058557A1 (en) * 2000-09-21 2002-05-16 Yumi Kanemitsu Dynamic damper and dynamic damper-installed tennis racket
WO2003057322A2 (fr) * 2002-01-10 2003-07-17 Georg Ignatius Raquette permettant de frapper des balles de tennis et corps de jeu analogues

Also Published As

Publication number Publication date
DE102004010349A1 (de) 2005-09-29
DE102004010349B4 (de) 2006-03-09
ATE366608T1 (de) 2007-08-15
DE502005000990D1 (de) 2007-08-23
CN1663641A (zh) 2005-09-07
CN100488586C (zh) 2009-05-20
US7077767B2 (en) 2006-07-18
TW200534897A (en) 2005-11-01
US20050197218A1 (en) 2005-09-08
EP1570883B1 (fr) 2007-07-11
TWI337883B (en) 2011-03-01

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