WO2011120516A2 - Accessoire de jeu ou de sport, en particulier de sport de glisse - Google Patents

Accessoire de jeu ou de sport, en particulier de sport de glisse Download PDF

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Publication number
WO2011120516A2
WO2011120516A2 PCT/DE2011/075055 DE2011075055W WO2011120516A2 WO 2011120516 A2 WO2011120516 A2 WO 2011120516A2 DE 2011075055 W DE2011075055 W DE 2011075055W WO 2011120516 A2 WO2011120516 A2 WO 2011120516A2
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WO
WIPO (PCT)
Prior art keywords
fields
layers
game
fiber
longitudinal axis
Prior art date
Application number
PCT/DE2011/075055
Other languages
German (de)
English (en)
Other versions
WO2011120516A4 (fr
WO2011120516A3 (fr
Inventor
Jörg Kaufmann
Erik PÄSSLER
Lothar Kroll
Jerome Rossol
Original Assignee
Kaufmann Joerg
Paessler Erik
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 Kaufmann Joerg, Paessler Erik filed Critical Kaufmann Joerg
Priority to EP11723226.4A priority Critical patent/EP2552558B1/fr
Publication of WO2011120516A2 publication Critical patent/WO2011120516A2/fr
Publication of WO2011120516A3 publication Critical patent/WO2011120516A3/fr
Publication of WO2011120516A4 publication Critical patent/WO2011120516A4/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/003—Structure, covering or decoration of the upper ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/03—Mono skis; Snowboards
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/12—Making thereof; Selection of particular materials
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/12—Making thereof; Selection of particular materials
    • A63C5/126—Structure of the core

Definitions

  • the invention relates to a game or sports equipment, in particular gliding equipment, such as snowboard, ski, kite board, surfboard, skateboard or wakeboard according to the preamble of the first claim, which is formed of a multilayer fiber composite system of layers of fiber-reinforced plastic material.
  • a snowboard which has different cross-sectional configurations along its longitudinal axis, wherein in the central region of the snowboard this has a rectangular cross-section, however, in the direction of the two ends has an increasingly frusto-conical cross-section, so that not opposite edge regions have only an increasing width, but in this way also results in a reduced contact surface of the unloaded snowboard to the solid ground.
  • DE 196 04 016 A1 discloses a snowboard construction wherein fiber-reinforced resin layers are formed on both sides of a core plate, wherein the fibers of the successive fiber-reinforced resin layers are arranged in respectively opposite but symmetrical angles to the longitudinal axis of the snowboard.
  • fiber materials glass fibers, carbon fibers or aromatic polyamide fibers may preferably be used.
  • a sliding board in which an elongate, thin core element is integrated, that a tip, an end and a pair of opposite edges and a longitudinal axis which extends in a direction tip-end, a transverse axis extending in an edge-edge direction perpendicular to the longitudinal axis and a normal axis perpendicular to the longitudinal axis and to the transverse axis.
  • the core element consists of at least two anisotropic structures laminated vertically, the mechanical property of the first anisotropic structure being selected from compressive strength, compressive stiffness, compressive strength, compressive strength, tensile strength, tensile stiffness, tensile swelling strength and tensile creep strength.
  • the core region may have anisotropic structures with different orientation directions, which are designed for different loading directions.
  • the core area is formed from segments of balsa wood and is sandwiched by reinforcing layers of glass fiber material.
  • the multi-field arrangement is a four-field arrangement and substantially point or axisymmetric, with respect to a longitudinal and / or transverse axis of the game or sports equipment, in particular gliding equipment such as snowboard, adjacent fields are axisymmetric and diagonally arranged fields point symmetrical.
  • a disadvantage of this solution is that no power flow between the individual fields can take place due to the configuration of the multi-field arrangement. This can be explained by the fact that in the marginal zones between the respective fields only matrix material can be used to transmit the force flow. At higher loads, the strength of the multi-layer composite formed thereby is insufficient, so that a corresponding sliding sports device fails at the joining zones between the fields.
  • the object of the invention is to develop a game or sports equipment, in particular gliding equipment, such as snowboard, ski, kite board, surfboard, skateboard or wakeboard, in which by the formation of an anisotropic multi-layer composite in combination with residual stresses or other, initiated stresses like single or multi-axial bending stresses, a defined deformation behavior of the multi-layer fiber composite system is achieved, which withstands high alternating stresses and has excellent sliding properties.
  • gliding equipment such as snowboard, ski, kite board, surfboard, skateboard or wakeboard
  • the play or sports equipment in particular gliding equipment such as snowboard, ski, kiteboard, wakeboard, surfboard, skateboard with two end areas Nose and Tail and an extending therebetween area consists of a multi-layer fiber composite system of layers of fiber reinforced plastic material, with a longitudinal axis and a transverse axis whose intersection point form a ply center, and at least two layers of the fiber composite system with a multi-field arrangement with anisotropic material properties in fields of the multi-field arrangement, wherein the at least two layers are subdivided at least in the central region of the sports equipment into fields with different fiber orientations by at least one division line such that the course of the dividing lines of the at least two superimposed layers is different, so that fields overlap with different fiber orientations of the superimposed layers.
  • Preferred is in the direction of the longitudinal axis and at least one dividing line is provided in the direction of the transverse axis so that the dividing lines meet at at least one point spaced from the ply center with respect to the longitudinal axis and the transverse axis.
  • the layer structure according to the invention Due to the layer structure according to the invention, unusual deformation effects are achieved when the sports equipment is loaded. In the case of a cut sweep (carving sweep), the snowboard is exposed to a bending load due to the edge and the sidecut radius, which, in addition to the resulting deflection, causes a slight curvature (covering concavity) of the sports equipment. As a result, the Aufkantwinkel between board and substrate is changed so that the edge grip is significantly increased during carving momentum.
  • At least two layers between the fields of the multi-field arrangement in the direction of the longitudinal axis preferably have at least one first dividing line at a first distance from the longitudinal axis and at least one second dividing line at a second distance from the transverse axis in the direction of the transverse axis, the first distance and the second order being at the two layers is different and thereby results in the overlap.
  • the dividing lines extending to the longitudinal axis and / or the dividing lines extending in the direction of the transverse axis are arranged in alignment with one another or offset from one another.
  • the multi-field array has at least two, preferably four fields (A, B, C, D) with a fiber orientation of reinforcing fibers, wherein the fiber orientation is inclined at an angle with respect to the longitudinal axis, and adjacent fields arranged one behind the other with respect to the longitudinal axis arranged fields have a mutually opposite inclination of the fiber orientation.
  • adjacent fields (A) and (C) and (B) and (D) and fields (A) and (B) and (C) and (D) arranged one behind the other have, in particular, a mutually mirror-symmetrical orientation of the fiber orientation on.
  • the fiber orientation of reinforcing fibers in diagonally opposite fields is substantially identical or similar.
  • the multi-field arrangement advantageously has fields (A, B, C, D) with reinforcing fibers in a predetermined fiber orientation as unidirectional scrim, unidirectional fabric, tailored fiber-placement semi-finished products, biotech semi-finished products and / or similar semi-finished textile-processed.
  • one or more layers on the upper side of the core layer and one or more layers on the underside of the core layer are preferably arranged in mirror image relative to the core layer.
  • the number of layers on either side of the core layer may be the same or different.
  • ⁇ Preferably, several (in particular four) upper layers are arranged above a core layer and a plurality (in particular four) lower layers are arranged below the core layer such that all fields A, B, C, D of the respective upper layers and in a middle overlapping region spanning the layer center overlap the lower layers and
  • the fiber orientation of reinforcing fibers is preferably in the range of ⁇ 50 ° to a major axis of the game or sports equipment, in particular to the longitudinal axis of the same.
  • the reinforcing fibers are embedded in a polymeric matrix.
  • At least two layers of the sports equipment have the inventive design and are symmetrical, asymmetrical and / or different with respect to their fiber orientation the reinforcing fibers in the multi-field arrangement to at least one of the other layers and / or the core is formed.
  • the multi-field arrangement is advantageously designed symmetrically or asymmetrically with respect to the longitudinal axis and / or the transverse axis in one position. It is also possible to integrate in the game or sports device at least one active element, in particular piezoceramic, shape memory alloy and / or rheological fluid to support the anisotropic material properties of the fiber composite system in or between one or more layers, which also with a passive element, eg , As a control can be combined.
  • a plurality of active elements, in particular foils with at least one piezoelectric actuator each, can be arranged along longitudinal edges of the game or sports device.
  • the invention disclosed here inserts overlapping zones between the deformation-active multi-zone zones (DA) zones known from DE 102007 055 532 A, which enable a force flow between the fields known from DE 10 2007 055 532 A 1 and which first ensure that the gliding equipment withstand the high changing demands.
  • DA deformation-active multi-zone zones
  • the symmetry point of the multi-field arrangement known from DE 10 2007 055 532 A which is at the same time the center of the gliding device, is displaced in at least one layer of the multilayer composite in such a way that the point of symmetry is not equal to the midpoint of the gliding device.
  • the multi-field zones no longer have the same size in at least one position of the gliding device.
  • the overlapping of the superimposed zones produced thereby leads to the formation of the overlapping zones necessary for the strength.
  • the reinforcing fibers are arranged in a predetermined fiber orientation, the fibers preferably at an angle of ⁇ 30 ° ⁇ 15 ° to a major axis, in particular the longitudinal axis of the game or sports equipment are arranged and this fiber orientation, mirrored on one of the main axes, such.
  • both sides of a core a plurality of layers of fiber-reinforced plastic material arranged, both sides of the core at least one layer has the structure according to the invention, wherein a kernel-containing core plane of the game or sports device forms a plane of symmetry, with respect to the fiber orientation of the reinforcing chamfers in the multi-field arrangement, on the one hand, of the core material, which in the at least one further layer, on the other hand, of the core material returns symmetrically or mirror-symmetrically.
  • a kernel-containing core plane of the game or sports device forms a plane of symmetry, with respect to the fiber orientation of the reinforcing chamfers in the multi-field arrangement, on the one hand, of the core material, which in the at least one further layer, on the other hand, of the core material returns symmetrically or mirror-symmetrically.
  • the targeted formation of at least one overlapping zone in particular by a certain offset of the superimposed layers by the off-center division into individual areas with different fiber orientations of at least one layer ensures improved strength and thus longevity of the gliding device according to the invention.
  • FIG. 1 is a schematic representation of a snowboard under spreading of its layers as a multilayer fiber composite system and showing the multi-field arrangement with a predetermined fiber orientation of reinforcing fibers in each of the fields, in a first variant
  • Fig. 2 is a schematic plan view of the fiber orientations of the fields themselves
  • FIG. 1 overlapping layers 2.1 to 2.4 of a snowboard with layer structure gem.
  • FIG. 3 is a schematic representation of a snowboard spreading its layers as a multi-layer fiber composite system and showing the multi-field arrangement with a predetermined fiber orientation of reinforcing fibers in each of the fields,
  • Fig. 4 is a schematic representation of a snowboard under spreading of its layers as a multilayer fiber composite system and showing the multi-field arrangement with a predetermined fiber orientation of reinforcing fibers in each of the fields,
  • Fig. 5 shows a layer of fiber reinforced plastic material according to another
  • Fig. 6 shows a layer of fiber reinforced plastic material according to another
  • Fig. 7 shows a layer of fiber-reinforced plastic material according to another
  • Fig. 8 shows a layer of fiber reinforced plastic material according to another
  • FIG. 10 shows a layer of fiber-reinforced plastic material according to another
  • Fig. 1 a layer of fiber reinforced plastic material according to another
  • Fig. 12 shows a layer of fiber-reinforced plastic material according to another
  • Fig. 13 shows a layer of fiber reinforced plastic material according to another
  • Fig. 15 shows a layer of fiber-reinforced plastic material according to another
  • FIG. 16 shows a layer of fiber-reinforced plastic material according to another
  • 17 is a snowboard with a concave towards the ground curvature
  • 19 to 22 show the representation of four layers 2.4 to 2.1 (from top to bottom), each with only one division, which are connected to a layer structure 2 miteinender, Fig. 23, the representation of the overlap of the layer structure. 2
  • Figures 1, 3 and 4 show embodiments of the sports device according to the invention in the exploded view. It consists of a core layer 10 and layers above (2.1 to 2.4), which form an upper layer structure 2 and layers below (2.1 ' to 2.4 ' ) of this Core layer 10, which form a lower layer structure 2 '. Each layer has a front region 3, a rear region 4 and a central part M located therebetween. At least one layer, but preferably four layers 2.1 to 2.4 and 2.1 'to 2.4' are divided according to Figures 1, 3, 4 - at least in the central region M - by dividing lines T1 and T2 in four areas / fields A to D, wherein the Divide lines T1 and T2 meet in at least one point P or in several points P.
  • the layers above (2.1 to 2.4) and the layers below (2.1 ' to 2.4 ' ) of the core layer 10 are preferably made of fiber-reinforced plastic material, wherein the reinforcing fibers 9 within the fields A to D with respect to one of the main axes 5 or 7 by a certain Angle ⁇ and ß are inclined. Diagonally opposite fields A and D or B and C have a similar inclination.
  • the layer structure is such that at least one dividing line T1 or T2 of a layer is arranged offset to at least one dividing line T1 or T2 of an above or below layer.
  • each layer a dividing line T1 in the longitudinal direction and two staggered dividing lines T2 in the transverse direction.
  • the two middle layers 2.2 and 2.3 have a substantially identical structure and are merely mirrored to each other about the longitudinal axis 5 and the transverse axis 7.
  • the two outer layers 2.1, 2.4 have an identical structure and are also mirrored diametrically to each other.
  • the layers 2.1 'to 2.4' essentially correspond to the layers 2.1 to 2.4.
  • FIG. 1 shows a schematic view of a snowboard 1 as an example of a game or sports device according to the invention, such a representation also corresponds to a position of the snowboard 1 like fiber-reinforced plastic material.
  • the snowboard 1 therefore has a multilayer fiber composite system consisting of a plurality of upper layers 2.1 to 2.4 and lower layers 2.1 'to 2.4' of fiber-reinforced plastic material.
  • Such a snowboard 1 has at least two layers 2 (here four lower and four upper layers) made of fiber-reinforced plastic material, which has a multi-field arrangement of here, for example, 4 fields AD.
  • Corresponding regions E and F or G and H may be formed in the region of nose 3 and tail 4 with the same layer structure as the adjacent regions AD, but this is not mandatory, but may also be unidirectional there (eg parallel to one another) Longitudinal axis 5 of the snowboard aligned fibers (undivided) can be arranged, or they can Areas may be formed in any other way.
  • a multi-field arrangement in the region M is formed by means of the four fields AD, the fields each having an asymmetrical fiber orientation of reinforcing fibers 9 relative to the longitudinal axis 5 or transverse axis 7. There is a first pitch T1 in the longitudinal direction and a second pitch T2 between the panels A to D in the transverse direction.
  • the first division T1 is arranged at a first distance L1 from the longitudinal axis 5 and the second division T2 at a second distance L2 from the transverse axis 7, so that the divisions adjoin one another at one or more points P, which are different and thus asymmetrical with respect to the center Q is / are at which the longitudinal axis 5 and transverse axis 7 intersect.
  • at least two layers of the snowboard 1 or more are preferably arranged with oppositely mirrored or similar arrangement above and below a core layer 10 and preferably provided with a four-field arrangement between Nose 3 and Tail 4, each field of this four-field arrangement and thus each of these fiber reinforced layers 2 anisotropic material properties.
  • each multi-field array 6 is formed by unidirectionally arranged reinforcing fibers, in particular glass or carbon fibers, or bamboo, aramid or stone fibers (basalt) - also mixed forms are possible - formed, preferably in an angular range of about ⁇ 30 ° (to eg ⁇ 50 °) are inclined to the snowboard longitudinal axis 5, which is indicated by the hatching and wherein along the longitudinal axis 5 and the transverse axis 7 of the snowboard 1 and a layer 2 thereof the individual fields A to D.
  • each of the layers disposed on either side of the core 10 in either equal or different numbers is formed with such a multiple anisotropy structure (panels A to D), thereby achieving when initiating a uniaxial bending stress state, as happens when gliding with the snowboard on a rail or a handrail, the gliding device has the required strength.
  • the individual layers 2.1 to 2.4 or 2.1 'to 2.4' have a thickness of about 0.05 to 0.4 mm, while the core layer 10 has a thickness of about 2 to 8 mm and either in a conventional manner, z. B. from a honeycomb core (eg., From aluminum, paper or plastic), wood or plastic or a combination of these or else also by means of the fields A to D of the layers 2.1 to 2.4 or 2.1 'to 2.4' corresponding Establishing the connection of anisotropic properties may be formed.
  • a honeycomb core eg., From aluminum, paper or plastic
  • wood or plastic a combination of these or else also by means of the fields A to D of the layers 2.1 to 2.4 or 2.1 'to 2.4' corresponding Establishing the connection of anisotropic properties may be formed.
  • both sides of the core or the core layer 10 it is also possible on both sides of the core or the core layer 10 to arrange a different number of layers or to use layers of different thickness.
  • an angle of about ⁇ 30 ° ⁇ 15 ° of the reinforcing fibers 9 in the direction of the longitudinal axis 5 is preferred, this angle can be varied within a range of -50 ° to + 50 ° and the respective layers 2 can also have different angles of the reinforcing fibers 9 have.
  • a recommended unidirectional Geleges in the individual fields A to D but also other fiber-reinforced semi-finished products with anisotropic material properties can be used to give the fields or the multi-field assembly 6 and the entire layer aniosotropic material properties.
  • the layer 2.1 overlaps
  • FIGS. 1 From Figure 2 is a schematic plan view of the fiber orientations of the gem.
  • Figure 1 over the core layer 10 arranged layer structure 2 of the fields A to D of the layers 2.1 to 2.4 shown, wherein these fiber orientations and the arranged under the core layer 10 layer structure 2 'corresponds to. It can be seen that on both sides of the longitudinal axis 5 up to a distance L1 and on both sides to the transverse axis 7 up to a distance L2 overlapping fiber orientations due to the overlapping regions of the superimposed layers 2.1 to 2.4 or 2.1 'to 2.4' (according to Figure 1) are.
  • the areas of the fields A, B, C, D, which do not overlap with other areas of the superimposed layers, have a substantially identical fiber path.
  • FIG. 3 and 4 again illustrate the four-field arrangement, with four layers 2.1 to 2.4 provided above the core layer 10 (which produce a layer structure 2) and four layers 2.1 'to 2.4' provided below the core layer 10 (which have a layer structure 2 '). result) and which are each divided into four fields A, B, C, D by a first (longitudinal) division T1 at a distance from the longitudinal axis 5 and a second (transverse) division T2 at a distance from the transverse axis 7 asymmetrically and the four parts A to D have differently oriented reinforcing fibers 9.
  • the layer structures 2 and 2 ' are designed substantially the same. According to FIG.
  • each layer there is provided in each layer a dividing line T1 in the longitudinal direction and a dividing line in the transverse direction which intersect in each case at a point P which is at a distance from the center point Q of the sheet.
  • two mutually offset and longitudinal dividing lines T1 and a dividing line T2 in the transverse direction are provided in each layer, which meet at points P.
  • the orientation of the reinforcing fibers 9 above and below the core layer 10 is oppositely mirror-symmetrical, ie, for example, the reinforcing fibers in the field A of the upper layers 2.1 to 2.4 above the core layer 10 at a first 30 ° angle ⁇ to the longitudinal axis 5 of the snowboard 1, while the reinforcing fibers 9 are rotated in the field A of the lower layers 2.1 'to 2.4' below the core layer 10 at an angle of 180 ° relative to the longitudinal axis 5 again at an angle ß of about 30 ° to the longitudinal axis 5 of the snowboard or a Deviation of ⁇ 15 °.
  • FIGS. 5 to 16 illustrate an embodiment of an exemplary position 2.1 of the snowboard 1 with fields A to D, division lines T1, T2, which intersect at a point P which is spaced from the position center Q, in which the longitudinal axis 5 and transverse axis 7 intersect , This could be any other situation.
  • the areas shown in white in Fig. 5 to 16 are not necessarily fiber-free, but z. B. with fibers in unidirectional axial arrangement (parallel to the longitudinal axis 5 of the snowboard 1 and the position 2.1) are provided.
  • the remaining surfaces in these embodiments indicate only the areas in which a practically arbitrary design can be made with regard to the arrangement of reinforcing fibers.
  • the regions A to D are reduced in size by triangular regions in each case from the two ends.
  • the axial dimensions of the four-field arrangement are limited.
  • Fig. 8 shows an embodiment of a layer 2.1 in which the axial center region of the layer (parallel to the longitudinal axis 5) remains free from the inclined reinforcing fiber arrangement.
  • FIG. 9 shows an arrangement of the reinforcing fibers 9 similar to FIG. 8, however, with the recess of the respective end regions of the fields AD, from the fiber orientation to FIG explained at the outset basic structure of the embodiments of the present invention.
  • FIG. 10 corresponds to the construction of a layer 2.1 according to FIG. 7 with regard to the formation of end regions of the snowboard 1 according to FIG. 6 (shortened four-field arrangement 6).
  • the fibers white areas, z.
  • the fibers may be arranged in axial orientation, or other composite structures may be selected in view of certain strength requirements or desired properties of the snowboard.
  • the embodiment according to FIG. 11 is practically similar to a combination of the embodiments according to FIGS. 8 and 5.
  • the further exemplary embodiment according to FIG. 12 clarifies that the multi-field arrangement 6, in particular four-field arrangement, can also have partial regions of different size and, moreover, can also be shifted with respect to the longitudinal or transverse symmetry, as can be seen from the different size of the one with the reinforcing fibers 9 in inclined Arrangement provided subregions in relation to the transverse axis 7 is illustrated.
  • the areas A and B on the one hand and the areas C and D on the other hand have mutually rounded side areas. In this way, the snowboard 1 can be given special local characteristics with regard to special features of the introduction of force or use of the snowboard.
  • FIG. 13 shows an exemplary embodiment similar to that in FIG. 12 with regard to the formation of subareas A to D (as an effective multi-field arrangement), whereby these are also formed asymmetrically with respect to the transverse axis 7.
  • Fig. 14 illustrates a formation of a layer 2.1 with sickle-shaped portions A 'to D' of the fields A to D, which also with regard to the arrangement of predetermined oriented reinforcing fibers 9 the desired deformations in the region of the longitudinal edges 1 1 with emphasis in the region of the transverse axis. 7 can be sufficient under the initiation of a uniaxial bending stress state.
  • FIGS. 15 and 16 show further modifications of the formation of layers 2.
  • a snowboard 1 is shown in which in the direction of the ground, d. H. the lining side, a concave curvature is present, which is achieved for example by a carving momentum (see page 4).
  • Fig. 18 shows a snowboard 1 with a towards the ground, d. H.
  • the covering side convex curvature which is caused in the south (see page 4), Because the overlapping areas of superimposed fields have different fiber orientations, results in a reinforcement in the central region in the longitudinal and transverse directions, which realizes particularly good deflections of the snowboard can be, which were previously not possible, whereby the driving characteristics are significantly improved.
  • FIGS. 19 to 22 show individual layers 2.4 to 2.1, which are joined together to form a layer structure 2 according to FIG. 23 and each have only one dividing line T1 in the longitudinal direction or T2 in the transverse direction.
  • the layers 2.4 (FIG. 19) and 2.1 (FIG. 22) have dividing lines T1 mirrored relative to each other about the longitudinal axis 5, which are each spaced from the longitudinal axis 5 and thus from the layer center Q.
  • the layers 2.2 ( Figure 20) and 2.3 ( Figure 21) have mutually about the transverse axis 7 mirrored dividing lines T2, which are each spaced from the transverse axis 5 and the layer center Q.
  • a hatched area of the overlay region of the layer structure 2 formed from the layers 2. 1 to 2. 2 extends on both sides to the longitudinal axis 5 and to the transverse axis 7.
  • the invention is not limited to use in snowboards, but can be applied in a corresponding manner for ski, kiteboard, wakeboard, skateboard, surfboard or other sports and play facilities with a layer structure.

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  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

L'invention concerne un accessoire de jeu ou de sport, en particulier un accessoire de sport de glisse tel qu'une planche de snowboard, un ski, une planche de kitesurf, une planche de wakeboard, une planche de surf, une planche de skateboard, ledit accessoire comprenant deux zones d'extrémité, à savoir une tête (3) et une queue (4), et une zone (M) s'étendant entre les deux. Ledit accessoire de jeu ou de sport est formé d'un système composite à base de couches de fibres multiples constitué d'une matière plastique renforcée par des fibres, et présente un axe longitudinal (5) et un axe transversal (7) dont l'intersection forme un point central des couches (Q), et au moins deux couches du système composite en fibres présentent un agencement à plusieurs champs (6) ayant des propriétés matérielles anisotropes. Selon l'invention, les deux couches (ou plus) superposées sont subdivisées au moins dans la zone (M) en champs présentant des orientations de fibres différentes par au moins une ligne de séparation dans chaque couche, de telle façon que le tracé des lignes de séparation des deux couches (ou plus) superposées est différent, et que des champs superposés ayant des orientations de fibres différentes se chevauchent au moins par endroits.
PCT/DE2011/075055 2010-03-30 2011-03-29 Accessoire de jeu ou de sport, en particulier de sport de glisse WO2011120516A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11723226.4A EP2552558B1 (fr) 2010-03-30 2011-03-29 Accessoire de jeu ou sport de glisse avec au moins deux couches, chacune comprenant des champs ayant des fibres avec des orientations différentes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010000504.3 2010-03-30
DE201020000504 DE202010000504U1 (de) 2010-03-30 2010-03-30 Spiel- oder Sportgerät

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WO2011120516A2 true WO2011120516A2 (fr) 2011-10-06
WO2011120516A3 WO2011120516A3 (fr) 2012-02-23
WO2011120516A4 WO2011120516A4 (fr) 2012-04-19

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DE (2) DE202010000504U1 (fr)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108327015A (zh) * 2018-04-23 2018-07-27 国际竹藤中心 一种竹单板/纤维rtm成型体育滑板的制备方法
US11065529B2 (en) 2016-04-22 2021-07-20 Jan Peter Ortwig Method of and apparatus for changing a shape of a gliding surface of a gliding device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210268366A1 (en) * 2018-08-27 2021-09-02 Hasegawa Corporation Skateboard deck and skateboard equipped with same
US11452931B2 (en) * 2019-03-08 2022-09-27 Völkl Sports Gmbh Sliding board with fiber composite material

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113360A1 (de) 1980-04-03 1982-05-27 IMS Inter-Montana AG, 6370 Stans, Nidwald Bahnfoermiges belagsmaterial auf basis von polyaethylen fuer die laufflaeche von skis
DE19604016A1 (de) 1995-07-18 1997-02-06 Yonex Kk Snowboard-Aufbau
DE19810035A1 (de) 1997-11-20 1999-06-02 Burton Corp Kern für ein Gleitbrett
US20020195780A1 (en) 1998-03-10 2002-12-26 Jorgen Karlsen Snowboard
WO2003086554A1 (fr) 2002-04-08 2003-10-23 Four Star Distribution Planche a neige equipee de carres non metalliques
DE102007055532A1 (de) 2007-11-21 2009-05-28 Technische Universität Chemnitz Spiel- oder Sportgerät

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA189183A (de) * 1983-05-25 1984-12-15 Rohrmoser Alois Skifabrik Ski
FR2832933B1 (fr) * 2001-11-30 2004-07-09 Salomon Sa Planche de glisse
WO2004060503A1 (fr) * 2003-01-07 2004-07-22 Johann Berger Ski multicouche et son procede de fabrication
US7810824B2 (en) * 2007-01-10 2010-10-12 Chomp, Inc. Skateboard deck

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3113360A1 (de) 1980-04-03 1982-05-27 IMS Inter-Montana AG, 6370 Stans, Nidwald Bahnfoermiges belagsmaterial auf basis von polyaethylen fuer die laufflaeche von skis
DE19604016A1 (de) 1995-07-18 1997-02-06 Yonex Kk Snowboard-Aufbau
DE19810035A1 (de) 1997-11-20 1999-06-02 Burton Corp Kern für ein Gleitbrett
US20020195780A1 (en) 1998-03-10 2002-12-26 Jorgen Karlsen Snowboard
WO2003086554A1 (fr) 2002-04-08 2003-10-23 Four Star Distribution Planche a neige equipee de carres non metalliques
DE102007055532A1 (de) 2007-11-21 2009-05-28 Technische Universität Chemnitz Spiel- oder Sportgerät

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11065529B2 (en) 2016-04-22 2021-07-20 Jan Peter Ortwig Method of and apparatus for changing a shape of a gliding surface of a gliding device
CN108327015A (zh) * 2018-04-23 2018-07-27 国际竹藤中心 一种竹单板/纤维rtm成型体育滑板的制备方法
CN108327015B (zh) * 2018-04-23 2023-11-07 国际竹藤中心 一种竹单板/纤维rtm成型体育滑板的制备方法

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EP2552558A2 (fr) 2013-02-06
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WO2011120516A3 (fr) 2012-02-23
DE102011001628A1 (de) 2012-02-16
DE202010000504U1 (de) 2010-06-24

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