EP1001831B1 - Tube and golf club with handle made of said tube - Google Patents

Tube and golf club with handle made of said tube Download PDF

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Publication number
EP1001831B1
EP1001831B1 EP98934732A EP98934732A EP1001831B1 EP 1001831 B1 EP1001831 B1 EP 1001831B1 EP 98934732 A EP98934732 A EP 98934732A EP 98934732 A EP98934732 A EP 98934732A EP 1001831 B1 EP1001831 B1 EP 1001831B1
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EP
European Patent Office
Prior art keywords
tube
wires
accordance
layer
wall
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.)
Expired - Lifetime
Application number
EP98934732A
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German (de)
French (fr)
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EP1001831A1 (en
Inventor
Silvano Zorzi
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Individual
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Individual
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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/48Details or accessories of golf clubs, bats, rackets or the like with corrugated cross-section
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/10Non-metallic shafts
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/54Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00Characteristics of used materials
    • A63B2209/02Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00Characteristics of used materials
    • A63B2209/02Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • A63B2209/023Long, oriented fibres, e.g. wound filaments, woven fabrics, mats
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06Handles
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06Handles
    • A63B60/08Handles characterised by the material
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/06Handles
    • A63B60/10Handles with means for indicating correct holding positions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1369Fiber or fibers wound around each other or into a self-sustaining shape [e.g., yarn, braid, fibers shaped around a core, etc.]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/13Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/139Open-ended, self-supporting conduit, cylinder, or tube-type article

Definitions

  • the invention relates to a tube according to the preamble of independent claim 1, as well as a golf club.
  • Tubes are known which are made by drawing metal, or by winding Mats made of fiber-reinforced synthetic resin materials, or by winding Fibers are made. These tubes are relatively light, but have one moderate bending elasticity. The pipes have poor vibration damping Characteristics. The damping properties must be subsequently through the Installation or attachment of damping elements can be improved. All these Pipes have insufficient for certain applications Damping properties.
  • Conventional shafts of golf clubs are also e.g. either drawn Metal pipes or pipes wound from fiber materials.
  • Draw metal pipes are characterized by good elasticity, but have a relatively high weight and poor damping properties.
  • Coiled pipes made of fiber materials are characterized by low weight with moderate elasticity: the Damping properties are inadequate for many applications.
  • the damping properties of conventionally manufactured pipes Fiber materials such as pulling or winding are hardly sufficient and have to be therefore be retrofitted.
  • EP 0 662 391 A2 describes a tube with the structure according to the preamble of independent claim 1 of the present invention.
  • the object of the present invention is to provide a tube of high elasticity, good torsional behavior and low weight. At the same time the pipe has good vibration damping properties. It is still one Object of the present invention to a golf club with a shaft create high elasticity, good torsional rigidity and light weight having.
  • the Golf club according to the invention has a shaft made of a tube according to the Invention on.
  • the wires can be made of metal, carbon fiber, glass or Kevlar, for example consist.
  • the wires can be single wires, but the Structure of these wires can also be stranded, or the wire can be a braid his. Wires such as those used for piano strings are particularly suitable be used. It is also conceivable to use different wires Use materials and / or with different structures in one tube.
  • the wires themselves can in turn be tubular or tubular.
  • the wires advantageously have a diameter of approximately 0.2 mm to 0.5 mm, wires with different diameters are of course also suitable.
  • a pipe according to the invention can be manufactured, for example, as follows.
  • a first is placed on a winding body such as a winding mandrel Fiber layer wound. This can be done with a winding machine which the threads or fibers, one next to the other or each turn in a certain distance from the next on the mandrel.
  • This first winding layer, or wound layer can with a synthetic resin be smeared and watered.
  • the longitudinal wires on the wound layer are brought.
  • the longitudinal wires can in turn Resin painted over and embedded in it.
  • the longitudinal wires can together with the synthetic resin in between Form line wire layer. More can be wound over the longitudinal wires Layers and on this again line wires are applied until the tube has the correct structure.
  • the pipe according to the invention has the required properties such as high Elasticity, high torsional strength, light weight on the for the shaft of a golf club, for example.
  • the vibration damping properties can be used if necessary simple means and measures can be changed by working on certain Place damping elements in or around the pipe become.
  • Foams are suitable as damping elements. Inside the Rohres can, for example, use granules made of elastomer, such as latex become. The granules can be embedded in a foam.
  • the tube according to the invention is extremely resistant to bending and kinking thus good bending resistance.
  • the pipe points very good tensile properties.
  • Metal wires 3, preferably made of spring steel or titanium, in the longitudinal direction of the Tube 6 of Fig. 1, are on a radius R around the center of the tube 6, arranged.
  • arranging the metal wires on a radius R results a high rigidity of the tube 6, which with the increase in the radius R also increases.
  • the core of the tube 6 can be made of a foam 1 and can also as Serve core for the first wound fiber material zone 2.
  • This Foam core 1 also serves to dampen the vibrations. The effect of the damping can be increased even further by Damping body 9, preferably rubber granules, in the foam core 1 be stored, as shown in Fig. 4.
  • the tube 6 can also be completely filled with a damping body.
  • any winding material can be used as the fiber material for the wound layer fiber, wire or thread-like material such as glass fiber, carbon fiber, Kevlar, Textile thread, plastic thread or filament thread can be used.
  • the first fiber material zone 2 preferably carbon fibers, is together with an adhesive wound on the foam core 1 or a mandrel. Fig. 1.
  • the metal wires 3, FIG. 1, follow the fiber material zone 2. Multiple layers Metal wires 3 are also possible. These metal wires 3 are made with special Facilities attached. These facilities and the procedure will be described in detail later. There can be several fiber material zones and / or zones with metal wires can be provided in the wall of a tube. In a next step, the fiber material zone 4 with an adhesive wound over the metal wires 3, FIG. 1.
  • the space between the fiber material zones 2 and 4 and between the Metal wires 3 are filled with adhesive.
  • the entire tube 6 is, as described above, step by step and in one single continuous manufacturing process. After this Curing the adhesive, the tubes 6 are still assembled, i.e. cut to length, printed etc.
  • the outer contour of the tube 6 can be round. as Polygonal or wavy design, Fig. 5a to c.
  • the wavy outer contour, as shown in Fig. 5c, for example can be obtained with a mold in which the tube is cured becomes.
  • the fiber material zones 2 and 4 in one Direction are preferably wrapped.
  • Metal wires 3 results in a slim design and thus a large one Savings in fiber materials.
  • the tubes 6 can also be designed without a foam core 1. Not applicable the foam core, then a special one can be used for winding removable winding mandrel can be used.
  • the pipe cross sections can be designed as desired. 6a to f shows just a few examples. 6a shows a circular cross section. Fig. 6b shows an oval or elliptical cross section. 6c shows a drop or egg-shaped cross section, FIG. 6d a rectangular cross section and FIG. 6e a square cross section. 6f finally shows one parallelepiped-shaped cross section.
  • Fig. 7 shows some examples. 7a shows a schematic cross section conical tube, FIG. 7b a cylindrical tube, FIG. 7c a concave and FIG. 7d a convex or barrel-shaped tube.
  • the wall thickness of the pipe 6 be constant over the entire length I or it can vary over the length I distributed rejuvenate.
  • the metal wires 3 can also have high resistance to twisting twisted / twisted to the longitudinal direction of the tube 6 installed in the wall be, which is illustrated schematically in Fig. 8.
  • damping agents e.g. a foam core 1 or the foam core 1 with embedded damping bodies 9, such as rubber granules, can also only partially distributed over the length I, which is shown schematically in FIG. 9 is illustrated.
  • a plurality of damping bodies 9 can also be located in one tube 6 with different structures and / or made of different materials his
  • Fig. 10 a the longitudinal wires themselves are designed as tubes.
  • longitudinal wires with strand structure are shown in Fig. 10 b.
  • 10 d shows the structure of a Pipe, in which a winding layer 10 the longitudinal wires alternately wrapped around inside and outside.
  • the loosely wound Winding layer 10 lies on inner wires 3 and on winding layer 10 are the outer wires 3. If the following outer Winding layer 4 is wound hard, the wires 3 will wipe into the layer the outer winding layer zone 4 and the inner winding layer zone 2 brought, as shown in Fig. 10 d.
  • the wires 3 could also have a Press mold in a layer 3 between the outer winding layer zone 4 and the inner winding layer zone 2 are pressed. It is also possible that to arrange the inside and outside wires 3 to each other so that the based on the winding layer 10 inside and outside Wires lying on different radii R, i.e. that they have different distances to the center of the pipe.
  • FIG. 10 e shows schematically the arrangement of the wires 3 in three groups are distributed over the scope.
  • FIG. 10 f shows an arrangement of Wires 3 in four groups that are at different angular distances from each other are arranged. All groups are equidistant from the central axis of the pipe. The groups of longitudinal wires could as well have different distances from the central axis.

Abstract

The tube (6) comprises a wall which is composed of a plurality of layers (2; 3; 5; 4). Longitudinally extending wires (3) are provided in the wall. At least one layer (2, 4) which is wound over the circumference of the tube (6) is present inside and/or outside with respect to the longitudinally extending wires (3).

Description

Die Erfindung bezieht sich auf ein Rohr nach dem Oberbegriff des unabhängigen Anspruchs 1, sowie auf einen Golfschläger.The invention relates to a tube according to the preamble of independent claim 1, as well as a golf club.

Es sind Rohre bekannt, die durch Ziehen von Metall, oder durch Wickeln von Matten aus faserverstärkten Kunstharz-Werkstoffen, oder durch Wickeln von Fasern hergestellt sind. Diese Rohre sind relativ leicht, haben aber eine eher mässige Biegeelastizität. Die Rohre haben schlechte schwingungsdämpfende Eigenschaften. Die Dämpfungseigenschaften müssen nachträglich durch den Ein- oder Anbau von dämpfenden Elementen verbessert werden. Alle diese Rohre haben für gewisse Anwendungen ungenügende Dämpfungseigenschaften.Tubes are known which are made by drawing metal, or by winding Mats made of fiber-reinforced synthetic resin materials, or by winding Fibers are made. These tubes are relatively light, but have one moderate bending elasticity. The pipes have poor vibration damping Characteristics. The damping properties must be subsequently through the Installation or attachment of damping elements can be improved. All these Pipes have insufficient for certain applications Damping properties.

Auch herkömmliche Schäfte von Golfschlägern sind z.B. entweder gezogene Metallrohre oder aus Faserwerkstoffen gewickelte Rohre. Metallrohre zeichnen sich durch gute Elastizität aus, haben aber ein relativ hohes Gewicht und schlechte Dämpfungseigenschaften. Gewickelte Rohre aus Faserwerkstoffen zeichnen sich durch geringes Gewicht bei mässiger Elastizität aus: die Dämpfungseigenschaften sind aber für viele Anwendungen ungenügend. Die dämpfenden Eigenschaften von konventionell hergestellten Rohren aus Faserwerkstoffen, wie ziehen oder wickeln sind kaum ausreichend und müssen daher nachträglich eingebaut werden.Conventional shafts of golf clubs are also e.g. either drawn Metal pipes or pipes wound from fiber materials. Draw metal pipes are characterized by good elasticity, but have a relatively high weight and poor damping properties. Coiled pipes made of fiber materials are characterized by low weight with moderate elasticity: the Damping properties are inadequate for many applications. The damping properties of conventionally manufactured pipes Fiber materials such as pulling or winding are hardly sufficient and have to be therefore be retrofitted.

EP 0 662 391 A2 beschreibt ein Rohr mit der Struktur nach dem Oberbegriff des unabhängigen Anspruchs 1 der vorliegenden Erfindung.EP 0 662 391 A2 describes a tube with the structure according to the preamble of independent claim 1 of the present invention.

Die vorliegende Erfindung hat zur Aufgabe, ein Rohr von hoher Elastizität, gutem Torsionsverhalten und geringem Gewicht zu schaffen. Gleichzeitig soll das Rohr gute schwingungsdämpfende Eigenschaften haben. Es ist weiter eine Aufgabe der vorliegenden Erfindung, einen Golfschläger mit einem Schaft zu schaffen, der hohe Elastizität, gute Torsionssteifigkeit und geringes Gewicht aufweist.The object of the present invention is to provide a tube of high elasticity, good torsional behavior and low weight. At the same time the pipe has good vibration damping properties. It is still one Object of the present invention to a golf club with a shaft create high elasticity, good torsional rigidity and light weight having.

Diese Aufgabe wird erfindungsgemäss mit einem Rohr gelöst, das die Merkmale des unabhängigen Anspruchs 1 aufweist. Die abhängigen Ansprüche beziehen sich auf vorteilhafte Ausführungsformen des Rohres. Der Golfschläger nach der Erfindung weist einen Schaft aus einem Rohr nach der Erfindung auf.This object is achieved with a tube that the Features of independent claim 1. The dependent claims relate to advantageous embodiments of the tube. The Golf club according to the invention has a shaft made of a tube according to the Invention on.

Die Drähte können beispielsweise aus Metall, Kohlefaser, Glas oder Kevlar bestehen. Bei den Drähten kann es sich um einzelne Drähte handeln, aber der Aufbau dieser Drähte kann auch litzenartig, oder der Draht kann ein Geflecht sein. Gut geeignet sind beispielsweise Drähte, wie sie für Klaviersaiten verwendet werden. Es ist auch denkbar, Drähte aus verschiedenen Werkstoffen und/oder mit verschiedenem Aufbau in einem Rohr zu verwenden. Die Drähte selbst können wiederum rohr- oder röhrchenförmig ausgebildet sein. Die Drähte haben mit Vorteil einen Durchmesser von etwa 0.2 mm bis 0.5 mm, wobei natürlich auch Drähte mit anderem Durchmessern geeignet sind.The wires can be made of metal, carbon fiber, glass or Kevlar, for example consist. The wires can be single wires, but the Structure of these wires can also be stranded, or the wire can be a braid his. Wires such as those used for piano strings are particularly suitable be used. It is also conceivable to use different wires Use materials and / or with different structures in one tube. The wires themselves can in turn be tubular or tubular. The wires advantageously have a diameter of approximately 0.2 mm to 0.5 mm, wires with different diameters are of course also suitable.

Ein Rohr nach der Erfindung kann beispielsweise wie folgt hergestellt werden. Auf einen Wickelkörper wie etwa einem Wickeldorn wird eine erste Faserschicht aufgewickelt. Dies kann mit einer Wickelmaschine erfolgen, welche die Fäden oder Fasern, einer neben dem andern oder jede Windung in einem bestimmten Abstand zur nächsten auf den Wickeldorn wickelt. Diese erste Wickelschicht, bzw. gewickelte Schicht kann mit einem Kunstharz bestrichen und getränkt werden. Dann können die Längsdrähte auf die gewickelte Schicht gebracht werden. Die Längsdrähte können wiederum mit Kunstharz überstrichen und in diesen eingebettet werden. Die Längsdrähte können also zusammen mit dem dazwischen liegenden Kunstharz eine Längsdrahtschicht bilden. Über die Längsdrähte können weitere gewickelte Schichten und auf diese wieder Längsdrähte aufgebracht werden, bis das Rohr den richtigen Aufbau aufweist. Wenn eine nur lose gewickelte Schicht über einer Drahtschicht liegt und auf diese lose gewickelte Schicht weitere Drähte so gelegt werden, dass die Drähte der zweiten Schicht von Längsdrähten zwischen denjenigen der ersten Schicht von Längsdrähten liegen, können die längs verlaufenden Drähte der ersten und der zweiten Schicht, mit einer weiteren, hart gewickelten Schicht zu einer Schicht zusammengeführt werden. Die lose gewickelte Schicht verläuft dann wellenförmig um die längs verlaufenden Drähte dieser zusammengeführten Schicht. Die lose gewickelte Schicht kann abwechselnd über dem einen Draht und unter dem nächsten, benachbarten Draht verlaufen. Es ist aber auch denkbar, dass die lose gewickelte Schicht über und unter mehr als einem benachbarten Längsdraht verläuft. Hier sind eine Vielzahl von Strukturen denkbar.A pipe according to the invention can be manufactured, for example, as follows. A first is placed on a winding body such as a winding mandrel Fiber layer wound. This can be done with a winding machine which the threads or fibers, one next to the other or each turn in a certain distance from the next on the mandrel. This first winding layer, or wound layer can with a synthetic resin be smeared and watered. Then the line wires on the wound layer are brought. The longitudinal wires can in turn Resin painted over and embedded in it. The longitudinal wires can together with the synthetic resin in between Form line wire layer. More can be wound over the longitudinal wires Layers and on this again line wires are applied until the tube has the correct structure. If only a loosely wrapped layer over there is a layer of wire and further wires on this loosely wound layer be placed that the wires of the second layer of longitudinal wires between those of the first layer of longitudinal wires, the longitudinal wires of the first and second layers, with a another hard-wound layer can be merged into one layer. The loosely wound layer then runs in a wave shape around the lengthwise running wires of this merged layer. The loosely wound Layer can alternate over one wire and under the next, adjacent wire run. But it is also conceivable that the loose wound layer over and under more than one adjacent line wire runs. A variety of structures are conceivable here.

Das Rohr nach der Erfindung weist die erforderlichen Eigenschaften wie hohe Elastizität, hohe Torsionsfestigkeit, bei geringem Gewicht auf, die beispielsweise für den Schaft eines Golfschlägers notwendig sind. Darüber hinaus, können die schwingungsdämpfenden Eigenschaften wenn nötig mit einfachen Mitteln und Massnahmen verändert werden, indem an bestimmten Stellen im oder um das Rohr Dämpfungselemente ein- oder angebracht werden. Als Dämpfungselemente sind Schaumstoffe geeignet. Im Innern des Rohres kann beispielsweise Granulat aus Elastomer, wie Latex verwendet werden. Das Granulat kann in einen Schaumstoff eingebettet sein.The pipe according to the invention has the required properties such as high Elasticity, high torsional strength, light weight on the for the shaft of a golf club, for example. About that In addition, the vibration damping properties can be used if necessary simple means and measures can be changed by working on certain Place damping elements in or around the pipe become. Foams are suitable as damping elements. Inside the Rohres can, for example, use granules made of elastomer, such as latex become. The granules can be embedded in a foam.

Das Rohr nach der Erfindung ist ausserordentlich biege- und knickfest, verfügt also über eine gute Biegewiderstandsfestigkeit. Darüber hinaus weist das Rohr sehr gute Zugfestigkeitseigenschaften auf. The tube according to the invention is extremely resistant to bending and kinking thus good bending resistance. In addition, the pipe points very good tensile properties.

Die Erfindung wird nachstehend anhand der in den schematischen Zeichnungen gezeigten Ausführungsbeispielen näher erläutert.The invention is illustrated below in the schematic Drawings shown embodiments explained in more detail.

Es zeigen:

Fig. 1
einen Querschnitt durch ein Rohr;
Fig. 2
in einer Seitenansicht ein konisches Rohr;
Fig. 2a
einen Querschnitt nach der Linie A - A durch das Rohr von Fig. 2;
Fig. 3.
einen Golfschläger mit einem konischen Rohr;
Fig. 4
einen Querschnitt durch ein weiteres Rohr;
Fig. 5 a bis c
Einzelheiten zu verschiedenen Arten des Aufbaus des Rohres;
Fig. 6 a bis f
verschiedene Formen des Querschnitts von Rohren;
Fig. 7 a bis d
verschiedene Formen des Profils von Rohren;
Fig. 9
drei Querschnitte durch das Rohr mit je einem Füllkörper aus Schaumstoff, je an einer anderen Position;
Fig. 10
in schematischen Querschnitten verschiedene Arten von Drähten und Anordnungen der Drähte, sowie Querschnitte durch ein Rohr bei verschiedenen Schritten des Herstellens.
Show it:
Fig. 1
a cross section through a tube;
Fig. 2
in a side view a conical tube;
Fig. 2a
a cross-section along the line A - A through the tube of Fig. 2;
Fig. 3.
a golf club with a tapered tube;
Fig. 4
a cross section through another tube;
Fig. 5 a to c
Details of different types of pipe construction;
6 a to f
different shapes of cross-section of pipes;
7 a to d
different shapes of the profile of pipes;
Fig. 9
three cross sections through the tube, each with a foam packing, each in a different position;
Fig. 10
in schematic cross sections, different types of wires and arrangements of the wires, as well as cross sections through a tube in different steps of manufacturing.

Metalldrähte 3, vorzugsweise aus Federstahl oder Titan, in Längsrichtung des Rohres 6 von Fig. 1, sind auf einem Radius R um den Mittelpunkt des Rohres 6, angeordnet. Durch das Anordnen der Metalldrähte auf einem Radius R ergibt sich eine hohe Steifigkeit des Rohres 6, die mit der Zunahme des Radius R ebenfalls zunimmt.Metal wires 3, preferably made of spring steel or titanium, in the longitudinal direction of the Tube 6 of Fig. 1, are on a radius R around the center of the tube 6, arranged. By arranging the metal wires on a radius R results a high rigidity of the tube 6, which with the increase in the radius R also increases.

Der Kern des Rohres 6 kann aus einem Schaumstoff 1 sein und kann auch als Trägerkern für die erste gewickelte Faserwerkstoffzone 2 dienen. Dieser Schaumstoffkern 1 dient gleichzeitig auch zur Dämpfung der Schwingungen. Die Wirkung der Dämpfung kann noch gesteigert werden, indem Dämpfungskörper 9, vorzugsweise Gummigranulat, in den Schaumstoffkern 1 eingelagert werden, wie dies in Fig. 4 gezeigt ist. Das Rohr 6 kann auch vollständig mit einem Dämpfungskörper gefüllt sein.The core of the tube 6 can be made of a foam 1 and can also as Serve core for the first wound fiber material zone 2. This Foam core 1 also serves to dampen the vibrations. The effect of the damping can be increased even further by Damping body 9, preferably rubber granules, in the foam core 1 be stored, as shown in Fig. 4. The tube 6 can also be completely filled with a damping body.

Als Faserwerkstoffe für die gewickelte Schicht kann irgend ein wickelbarer faser-, draht- oder fadenartiges Material wie Glasfaser, Kohlefaser, Kevlar, Textilfaden, Kunststoffaden oder Filamentfaden verwendet werden.Any winding material can be used as the fiber material for the wound layer fiber, wire or thread-like material such as glass fiber, carbon fiber, Kevlar, Textile thread, plastic thread or filament thread can be used.

Die erste Faserwerkstoffzone 2, vorzugsweise Kohlefasern, wird zusammen mit einem Klebstoff auf den Schaumstoffkern 1 oder einen Wickeldorn gewickelt. Fig. 1.The first fiber material zone 2, preferably carbon fibers, is together with an adhesive wound on the foam core 1 or a mandrel. Fig. 1.

Auf die Faserwerkstoffzone 2 folgen die Metalldrähte 3, Fig.1. Mehrere Lagen Metalldrähte 3 sind auch möglich. Diese Metalldrähte 3 werden mit speziellen Einrichtungen angebracht. Diese Einrichtungen und das Verfahren werden später noch genau beschrieben. Es können mehrere Faserwerkstoffzonen und/oder Zonen mit Metalldrähten, in der Wand eines Rohres vorgesehen sein. In einem nächsten Schritt wird die Faserwerkstoffzone 4 mit einem Klebstoff über die Metalldrähte 3 gewickelt, Fig. 1.The metal wires 3, FIG. 1, follow the fiber material zone 2. Multiple layers Metal wires 3 are also possible. These metal wires 3 are made with special Facilities attached. These facilities and the procedure will be described in detail later. There can be several fiber material zones and / or zones with metal wires can be provided in the wall of a tube. In a next step, the fiber material zone 4 with an adhesive wound over the metal wires 3, FIG. 1.

Der Raum zwischen den Faserwerkstoffzonen 2 und 4 und zwischen den Metalldrähten 3 wird vom Klebstoff ausgefüllt. The space between the fiber material zones 2 and 4 and between the Metal wires 3 are filled with adhesive.

Das ganze Rohr 6 wird, wie vorgängig beschrieben, schrittweise und in einem einzigen ununterbrochenen Fabrikationsprozess hergestellt. Nach dem Aushärten des Klebstoffes werden die Rohre 6 noch konfektioniert, d.h. abgelängt, bedruckt etc.The entire tube 6 is, as described above, step by step and in one single continuous manufacturing process. After this Curing the adhesive, the tubes 6 are still assembled, i.e. cut to length, printed etc.

Je nach Anzahl Metalldrähte 3 kann die Aussenkontur des Rohres 6 rund. als Polygonzug oder wellenförmig gestaltet werden, Fig. 5a bis c. Die wellenförmige Aussenkontur, wie sie in Fig. 5c gezeigt ist, kann beispielsweise mit einem Formwerkzeug erhalten werden, in welchem das Rohr ausgehartet wird.Depending on the number of metal wires 3, the outer contour of the tube 6 can be round. as Polygonal or wavy design, Fig. 5a to c. The wavy outer contour, as shown in Fig. 5c, for example can be obtained with a mold in which the tube is cured becomes.

Da die Rohre 6 z.B. bei einem Golfschläger nur in einer bevorzugten Richtung auf Torsion beansprucht sind, können die Faserwerkstoffzonen 2 und 4 in eine Richtung bevorzugt gewickelt werden. Zusammen mit dem Verwenden von Metalldrähten 3 ergibt dies eine schlanke Bauart und damit eine grosse Einsparung an Faserwerkstoffen.Since the tubes 6 e.g. with a golf club only in a preferred direction are subjected to torsion, the fiber material zones 2 and 4 in one Direction are preferably wrapped. Along with using Metal wires 3 results in a slim design and thus a large one Savings in fiber materials.

Die Rohre 6 können auch ohne Schaumstoffkern 1 ausgeführt werden. Entfällt der Schaumstoffkern, dann kann für das Wickeln ein spezieller wieder entfernbarer Wickeldorn verwendet werden.The tubes 6 can also be designed without a foam core 1. Not applicable the foam core, then a special one can be used for winding removable winding mandrel can be used.

Die Rohr - Querschnitte können beliebig ausgebildet werden. Die Fig. 6a bis f zeigt nur einige Beispiele. Fig. 6a zeigt einen kreisförmigen Querschnitt. Fig. 6b zeigt einen ovalen bzw. elliptischen Querschnitt. Fig. 6c zeigt einen tropfen- bzw. eiförmigen Querschnitt, Fig. 6d einen rechteckigen Querschnitt und Fig. 6e einen quadratischen Querschnitt. Fig. 6f schliesslich zeigt einen parallelepipedförmigen Querschnitt.The pipe cross sections can be designed as desired. 6a to f shows just a few examples. 6a shows a circular cross section. Fig. 6b shows an oval or elliptical cross section. 6c shows a drop or egg-shaped cross section, FIG. 6d a rectangular cross section and FIG. 6e a square cross section. 6f finally shows one parallelepiped-shaped cross section.

In Längsrichtung können die Rohre 6 ebenfalls verschieden ausgebildet sein. Fig.7 zeigt einige Beispiele. Fig. 7a zeigt im schematischen Querschnitt ein konisches Rohr, Fig. 7b ein zylindrisches Rohr, Fig. 7c ein konkaves und Fig. 7d ein konvexes oder tonnenförmiges Rohr.In the longitudinal direction, the tubes 6 can also be designed differently. Fig. 7 shows some examples. 7a shows a schematic cross section conical tube, FIG. 7b a cylindrical tube, FIG. 7c a concave and FIG. 7d a convex or barrel-shaped tube.

Wie in der Längsansicht von Fig. 2 dargestellt, kann die Wandstärke des Rohre 6, über die gesamte Länge I konstant sein oder sie kann sich über die Länge I verteilt verjüngen.As shown in the longitudinal view of Fig. 2, the wall thickness of the pipe 6, be constant over the entire length I or it can vary over the length I distributed rejuvenate.

Wenn das Rohr 6 ein hohes Torsionswiderstandsmoment, also gegen das Verdrehen hohen Widerstand haben soll, können die Metalldrähte 3 auch verwunden / verdreht zur Längsrichtung des Rohres 6 in der Wand eingebaut sein, was in Fig. 8 schematisch veranschaulicht ist.If the tube 6 has a high torsional moment of resistance, that is against the The metal wires 3 can also have high resistance to twisting twisted / twisted to the longitudinal direction of the tube 6 installed in the wall be, which is illustrated schematically in Fig. 8.

An Stelle von Metalldrähten 3, könnten auch Faserwerkstoffe verwendet werden.Instead of metal wires 3, fiber materials could also be used become.

Die Dämpfungsmittel, z.B. ein Schaumstoffkern 1 oder der Schaumstoffkern 1 mit eingelagerten Dämpfungskörpern 9, wie Gummigranulat, kann auch nur partiell auf der Länge I verteilt angebracht sein, was in Fig. 9 schematisch veranschaulicht ist. In einem Rohr 6 können auch mehrere Dämpfungskörper 9 mit verschiedenem Aufbau und/oder aus verschiedenen Materialien vorhanden seinThe damping agents, e.g. a foam core 1 or the foam core 1 with embedded damping bodies 9, such as rubber granules, can also only partially distributed over the length I, which is shown schematically in FIG. 9 is illustrated. A plurality of damping bodies 9 can also be located in one tube 6 with different structures and / or made of different materials his

In Fig. 10 a sind die Längsdrähte selbst als Röhrchen ausgebildet. Längsdrähte mit Litzenstruktur, sind in Fig. 10 b gezeigt. Fig. 10 d zeigt den Aufbau eines Rohrs, bei welchem eine Wickelschicht 10 die längs verlaufenden Drähte abwechselnd innen und aussen umschlingt. Wie eine derartige Wickelschichtzone hergestellt werden kann, zeigt Fig. 10c. Die lose gewickelte Wickelschicht 10 liegt auf den inneren Drähten 3 und auf der Wickelschicht 10 liegen die äusseren Drähte 3. Wenn die darauf folgende, äussere Wickelschicht 4 hart gewickelt wird, werden die Drähte 3 in die Schicht wischen der äusseren Wickelschichtzone 4 und der inneren Wickelschichtzone 2 gebracht, wie dies in Fig. 10 d gezeigt ist. Die Drähte 3 könnten auch mit einer Pressform in eine Schicht 3 zwischen der äusseren Wickelschichtzone 4 und der inneren Wickelschichtzone 2 gepresst werden. Es ist auch möglich die innen und aussenliegenden Drähte 3 so zueinander anzuordnen, dass die bezogen auf die Wickelschicht 10 innen liegenden und aussen liegenden Drähte, auf verschiedenen Radien R liegen, d.h. dass sie verschiede Abstände zum Zentrum des Rohres haben.In Fig. 10 a, the longitudinal wires themselves are designed as tubes. longitudinal wires with strand structure are shown in Fig. 10 b. 10 d shows the structure of a Pipe, in which a winding layer 10 the longitudinal wires alternately wrapped around inside and outside. Like one 10c shows the winding layer zone. The loosely wound Winding layer 10 lies on inner wires 3 and on winding layer 10 are the outer wires 3. If the following outer Winding layer 4 is wound hard, the wires 3 will wipe into the layer the outer winding layer zone 4 and the inner winding layer zone 2 brought, as shown in Fig. 10 d. The wires 3 could also have a Press mold in a layer 3 between the outer winding layer zone 4 and the inner winding layer zone 2 are pressed. It is also possible that to arrange the inside and outside wires 3 to each other so that the based on the winding layer 10 inside and outside Wires lying on different radii R, i.e. that they have different distances to the center of the pipe.

Fig. 10 e zeigt schematisch die Anordnung der Drähte 3 in drei Gruppen, die über den Umfang verteilt sind. Schliesslich zeigt Fig. 10 f eine Anordnung von Drähten 3 in vier Gruppen, die in verschiedenen Winkel-Abständen zueinander angeordnet sind. Alle Gruppen haben den gleichen Abstand zur Zentralachse des Rohrs. Die Gruppen von längs verlaufenden Drähten könnten auch verschiedene Abstände zur Zentralachse haben.Fig. 10 e shows schematically the arrangement of the wires 3 in three groups are distributed over the scope. Finally, FIG. 10 f shows an arrangement of Wires 3 in four groups that are at different angular distances from each other are arranged. All groups are equidistant from the central axis of the pipe. The groups of longitudinal wires could as well have different distances from the central axis.

Liste der Bezugszeichen:List of reference numerals:

11
Schaumstoffkernfoam core
22
erste Faserwerkstoffzonefirst fiber material zone
33
Metalldrahtmetal wire
44
zweite Faserwerkstoffzonesecond fiber material zone
55
Klebstoffadhesive
66
Rohrpipe
77
Schlägerkopfclubhead
88th
GriffHandle
99
Dämpfungskörperdamping body
1010
zusätzliche Faserwerkstoffzoneadditional fiber material zone

Claims (14)

  1. Tube (6) comprising a wall which is composed of a plurality of layers (2, 3, 5, 4), with longitudinally extending wires (3) are arranged in the wall; and in that inside and outside of the wires (3) there is at least one layer (2, 4) which is wound around the circumference of the tube, characterized by
       inside wires (3) that are arranged on the inside wound layer (2),
       a winding layer (10) that is arranged on the inner wires (3),
       outside wires (3) arranged on the winding layer (10) and under an outside layer (4) arranged outside of the outside wires, the layer (4) forcing the outside wires (3) between the inside wires (3).
  2. Tube in accordance with claim 1, the layers (2, 4, 10) containing glue or synthetic resin.
  3. Tube (6) in accordance with claim 1 or claim 2, in which the longitudinally extending wires are arranged circularly, preferably at equal spacing from one another, at a distance R from the center of the tube (6).
  4. Tube (6) in accordance with claim 1, 2 or claim 2, manufactured as a wound body, comprising at least one damping element (1) made of oscillation damping material in the interior of the tube (6).
  5. Tube (6) in accordance with any one of the claims 1 to 4, having a circular, elliptical, oval, drop-shaped, egg-shaped, rectangular, square, parallelepipeded or polygonal cross-section.
  6. Tube (6) in accordance with claim 5, having a polygonal cross-section, in which the wires (3) determine the outer contour of the tube (6) and a wire (3) extends in the region of each corner edge of the tube (6).
  7. Tube (6) in accordance with any one of the claims 1 to 6, having a cross-section which varies in the longitudinal direction and/or a wall thickness (S) which varies in the longitudinal direction.
  8. Tube (6) in accordance with any one of the claims 1 to 7, in which the wires (3) which are longitudinally arranged in the wall of the tube extend at an angle relative to the jacket line, in particular helically (Fig. 8).
  9. Tube (6) in accordance with any one of the claims 1 to 8, comprising a plurality of layers (3, 5) of wires (3) which extend longitudinally.
  10. Tube (6) in accordance with any one of the claims 1 to 9, in which one of the winding layers (10) is partly wound around the longitudinally extending wires (3) in a layer, partly inwardly and partly outwardly with respect to the tube wall, preferably alternately inwardly and outwardly with respect to the tube wall (Fig. 10d).
  11. Tube (6) in accordance with any one of the claims 1 to 10, characterized in that the wires (3) which extend longitudinally in the wall of the tube (6) consist of metal, plastic, carbon fibers, glass or a textile material; or in that wires (3) which extend longitudinally in the wall are provided which are made of different materials of this group.
  12. Tube (6) in accordance with any one of the claims 1 to 10, comprising longitudinally extending wires (3) which are executed in a stranded, woven, cable-like, tubelet-like, tubular-strand-like manner.
  13. Golf club comprising a shaft made of a tube in accordance with any one of the claims 1 to 12 (Fig. 3).
  14. Use of a tube (6) in accordance with any one of the claims 1 to 12 as a ski pole, as a component in a framework, in an aerial vehicle such as an airplane or a delta hanging glider, in a vehicle for space travel, in a road vehicle such as an automobile, a motorcycle or a bicycle, in a railway vehicle or in an aquatic vehicle.
EP98934732A 1997-08-05 1998-08-03 Tube and golf club with handle made of said tube Expired - Lifetime EP1001831B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH185297 1997-08-05
CH185297 1997-08-05
PCT/CH1998/000328 WO1999007446A1 (en) 1997-08-05 1998-08-03 Tube and golf club with handle made of said tube

Publications (2)

Publication Number Publication Date
EP1001831A1 EP1001831A1 (en) 2000-05-24
EP1001831B1 true EP1001831B1 (en) 2003-11-19

Family

ID=4220114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98934732A Expired - Lifetime EP1001831B1 (en) 1997-08-05 1998-08-03 Tube and golf club with handle made of said tube

Country Status (8)

Country Link
US (1) US6514156B1 (en)
EP (1) EP1001831B1 (en)
JP (1) JP4253118B2 (en)
AT (1) ATE254491T1 (en)
CA (1) CA2300300C (en)
DE (1) DE59810229D1 (en)
ES (1) ES2210780T3 (en)
WO (1) WO1999007446A1 (en)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
DE202009017708U1 (en) 2009-12-31 2010-04-15 Scharr, Gerhard, Prof. Dr.-Ing. Sandwich floor
DE202009014950U1 (en) 2009-05-25 2010-09-23 Scharr, Gerhard, Prof. Dr.-Ing. Lightweight floor

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US6860821B2 (en) * 2000-12-25 2005-03-01 Maimiya-Op Co., Ltd. Golf shaft, forming method therefor and golf club
KR100653333B1 (en) * 2005-12-30 2006-12-04 김정근 Golf clubs
WO2007080912A1 (en) * 2006-01-11 2007-07-19 Right Planning Ltd. Sports gear
WO2009034986A1 (en) * 2007-09-10 2009-03-19 Mrc Composite Products Co., Ltd. Shaft for golf club
JP4886818B2 (en) * 2009-06-12 2012-02-29 Sriスポーツ株式会社 Golf club shaft and golf club
US8747261B2 (en) * 2009-11-23 2014-06-10 Entrotech Composites, Llc Reinforced objects
DE202011050113U1 (en) * 2011-05-12 2012-10-05 B.I.G. Bioengineered In Germany Gmbh Shaft for a golf club
CA2856616A1 (en) * 2013-07-12 2015-01-12 Jag Lax Industries, Inc. Carbon fiber or fiberglass lacrosse head
US10456902B2 (en) * 2017-05-22 2019-10-29 M.J. Huner LLC Handle grip and process for making same
WO2021099835A1 (en) * 2019-11-19 2021-05-27 Pda Ecolab Shaft for athletic activities

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US3457962A (en) * 1965-11-16 1969-07-29 Samuel M Shobert Golf club shaft and method of forming the same
GB1327246A (en) 1970-09-22 1973-08-15 Nat Res Dev Fibre reinforced composites
EP0072256A3 (en) 1981-08-12 1983-11-30 Compagnie Francaise Des Isolants Reinforced fabric
FR2628643A1 (en) * 1988-02-04 1989-09-22 Impact 18 Golf club handle made from carbon fibre - has one layer along handles geometric axis and another layer rolled spirally in two directions
JPH0790046B2 (en) * 1989-01-24 1995-10-04 株式会社本間ゴルフ Golf shaft
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US5549947A (en) * 1994-01-07 1996-08-27 Composite Development Corporation Composite shaft structure and manufacture
US5655975A (en) 1995-06-07 1997-08-12 Roush Anatrol, Inc. Golf club having vibration damping device and method for making same
GB2318738B (en) * 1996-10-29 2000-12-27 You Chin San Golf club

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009014950U1 (en) 2009-05-25 2010-09-23 Scharr, Gerhard, Prof. Dr.-Ing. Lightweight floor
DE202009017708U1 (en) 2009-12-31 2010-04-15 Scharr, Gerhard, Prof. Dr.-Ing. Sandwich floor

Also Published As

Publication number Publication date
JP4253118B2 (en) 2009-04-08
CA2300300C (en) 2007-02-13
DE59810229D1 (en) 2003-12-24
ES2210780T3 (en) 2004-07-01
US6514156B1 (en) 2003-02-04
CA2300300A1 (en) 1999-02-18
EP1001831A1 (en) 2000-05-24
JP2001513458A (en) 2001-09-04
WO1999007446A1 (en) 1999-02-18
ATE254491T1 (en) 2003-12-15

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