EP1493468A2 - Planche de sport de glisse comprenant un noyau en bambou - Google Patents

Planche de sport de glisse comprenant un noyau en bambou Download PDF

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Publication number
EP1493468A2
EP1493468A2 EP03028220A EP03028220A EP1493468A2 EP 1493468 A2 EP1493468 A2 EP 1493468A2 EP 03028220 A EP03028220 A EP 03028220A EP 03028220 A EP03028220 A EP 03028220A EP 1493468 A2 EP1493468 A2 EP 1493468A2
Authority
EP
European Patent Office
Prior art keywords
bamboo
core
gleitbrettsportgerät
inner veneer
board sports
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
EP03028220A
Other languages
German (de)
English (en)
Other versions
EP1493468A3 (fr
EP1493468B1 (fr
Inventor
Gregor Dipl. Ing. Baer
Thorsten Dipl. Ing. Schwabe
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.)
Schwabe & Baer Entwicklungs GmbH
Original Assignee
Schwabe & Baer Entwicklungs 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 Schwabe & Baer Entwicklungs GmbH filed Critical Schwabe & Baer Entwicklungs GmbH
Publication of EP1493468A2 publication Critical patent/EP1493468A2/fr
Publication of EP1493468A3 publication Critical patent/EP1493468A3/fr
Application granted granted Critical
Publication of EP1493468B1 publication Critical patent/EP1493468B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A63C5/12—Making thereof; Selection of particular materials
    • A63C5/126—Structure of the core
    • 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

Definitions

  • the invention relates to a Gleitbrettsportnado according to the The preamble of claim 1 and a manufacturing method for a sliding board sports apparatus according to the preamble of claim 18th
  • Skis and snowboards generally consist of a top strap and a lower flange between which a core is arranged is.
  • the core in this case also made of an elastomeric foam can be made.
  • the constructions have existed made of foamed non-bearing cores with external high-strength laminates the conventional ones Detached wooden structures.
  • DE 4322300 C2 describes a ski consisting of a foamed Plastic core with an enveloping, bearing Structure exists.
  • the invention is based on the object, an improved Sliding board sports equipment, in particular a ski, a snowboard, to develop a water ski, a wakeboard or a kiteboard, with the disadvantages of conventional Gleitbrettsportuze be avoided and the simplest possible Manufacture and high rigidity improved life cycle assessment and has improved handling characteristics.
  • the object is with a Gleitbrettsportnado according to claim 1 and a manufacturing method for such Gleitbrettsportnado solved according to claim 18.
  • the invention is based on the physical knowledge, that when choosing a suitable material for the core of the Sliding board sports equipment, such as a ski, snowboards, Water skis, wakeboards or kite boards the damping properties, Improved driving characteristics and life cycle assessment can be.
  • the core of the invention Slide boarding equipment at least partially made of bamboo.
  • bamboo is a fast growing, recyclable raw material, which can absorb high tensile, compressive and torsional loads. As a result, both the life cycle assessment and the driving characteristics improved.
  • bamboo is a cheaper Material that is easy to work with. This results advantageously a low-cost production.
  • the core can already take load on the laminates either completely dispensed with, or they can in lesser thickness are carried out, which continues the life cycle assessment improved. By reducing or eliminating the laminate layers In addition, the total weight can be reduced.
  • a ski according to the invention is through the bamboo construction allowed weight reduction of particular advantage because the ski, in contrast to the snowboard fixed only in one place connected with one leg. Even a slight weight reduction makes a ski especially noticeable because that is relevant for torsional loads of the leg Mass moment of inertia of the ski around the axis of the leg disproportionately is reduced.
  • the core partly or entirely of bamboo slats.
  • the bamboo slats can have a rectangular cross-section or even another Cross section, for example with six or another Number of corners have. So can the bamboo slats For example, be square bamboo sticks, the core next to each other be installed and glued. This construction has the advantage that they produce in a very simple way is. In addition, by the use of massive square bamboo slats achieves maximum rigidity of the core.
  • the core may also or only angularly milled bamboo tubes include.
  • Angular milled bamboo cans For example, from bamboo tubes with the help of a square milling machine getting produced. This creates a square bamboo stick, the inside has a cavity, wherein the size of the cavity on the size of the cavity used for the manufacture bamboo tube is dependent.
  • the angle-milled bamboo tubes can in the core next to each other or side by side and on top of each other be arranged so that a certain core cross-section is formed.
  • the advantage here is the weight reduction due to the cavities of the angle-milled bamboo tubes.
  • a filler lower Density can be arranged as bamboo. This has the advantage that the weight of the core can be reduced.
  • filler are known foamed plastics or natural products usable.
  • the Gleitbrettsport réelle has a Layer structure, in which above and below the core a at least partially made of bamboo inner veneer layer is arranged.
  • This veneer layer can be completely or partially consist of square bamboo sticks, for example, fauxgeleimt were.
  • the veneer layers confer in interaction with the Core the snowboard, the ski, the water ski, the wakeboard or the kiteboard a very high rigidity, as in a non-positive connection with the core a torsion-resistant Box arises.
  • the veneer layers Laminate-free attached directly to the core, without a Laminate layer is arranged. This has the advantage that in this area on laminate layers containing the environmental footprint worsen, can be dispensed with. Is an elevated However, rigidity of construction may be desirable Laminate covering around the core or the inner veneer layers to be ordered.
  • a lower belt arranged, at least partially bamboo exist.
  • the upper and lower belt increase the Stiffness of the construction, with several if necessary
  • Upper and lower straps can be arranged.
  • Veneer layers can also be the top and bottom chords a material combination of bamboo with, for example, a laminate and also a combination with other natural materials such as wood is possible to set the strength to specific Increase bodies.
  • the upper and lower chords are respectively mounted directly on the inner veneer layer. if the inner veneer layers mounted directly on the core are, this results in a stack or sandwich construction, free from laminates yet highly stable is.
  • the bamboo of the core, the lower girth, the Obergurts or the inner veneer layers in the longitudinal direction unpunched.
  • the longitudinal direction denotes a direction of travel of the ski, the snowboard, the water ski, the wakeboard or the kite board.
  • sidewalls are arranged laterally of the core, the side of the core or inner veneer layers cover.
  • the upper and lower chords are wider than the core with the inner veneer layers and become also positively connected to the side cheeks, eg. glued. This creates a torsion box, which increases the rigidity the construction increased.
  • Sideways means in the longitudinal direction the Gleitbrettsport réelles next to the core.
  • the core side of the side walls vapor barriers arranged.
  • the vapor barriers lie between the core and the Side cheeks and prevent the entry of water into the Core.
  • the vapor barriers also cover advantageously These veneer layers, around the core and the veneer layers Reliable protection against lateral water ingress.
  • the Vapor barriers may also consist of bamboo, possibly specially treated to be resistant to Water is. Does the bamboo vapor barrier force fit connected with the inner veneer layers, so arises advantageously a box, the torsional stiffness of the snowboard, ski, water ski, wakeboard or of the kite board increased.
  • the core advantageously, the core special features to the high forces who exercised over the binding on the Gleitbrettsport réelle to record.
  • the core in the load introduction area Have wood, in particular higher-strength wood species are beneficial.
  • a massive location can Beech wood to be glued.
  • the load introduction area can For example, each attachment device a size of about 5 x 5 cm However, it can also be much larger, eg. have a length of 60 cm.
  • the core is machined from square Made of bamboo can also be a substitute of square burred bamboo tubes through solid bamboo slats in the Load introduction area be advantageous, since thereby the strength can be increased in this area.
  • the upper girth may be at least partially enclosed with a metallic cover.
  • the metallic cover can be in the area of the upper edge run and, for example, consist of Titanal. Titanal has it the advantage that it has a high resistance to mechanical Has low density attacks.
  • the bamboo used for these components preferably has a tensile strength of at least 20 kN / cm 2 , 30 kN / cm 2 or 40 kN / cm 2 , a tensile elastic modulus of at least 2.0 MN / cm 2 , 2.5 MN / cm 2 or 3.2 MN / cm 2 or a fiber length of at least 1 cm.
  • a high modulus of elasticity has the advantage that the Gleitbrettsport réelle is given a high rigidity.
  • a high tensile strength in turn has the advantage that the Gleitbrettsport réelle has a high strength. The higher the strength, the higher the sliding board sports equipment can be loaded. Long fibers increase the resistance and strength of the bamboo.
  • the Gleitbrettsport réelle has a cover layer on, which is arranged above the upper belt.
  • This topcoat protects the underlying layers from mechanical damage Actions, such as beating.
  • the cover layer is preferably at least partly made of bamboo of the genus "Phyllopstachys pubescens "or a similar genus. By using bamboo can be combined with a transparent protective layer an appealing graphical Design of the snowboard can be achieved.
  • the bamboo used for the top layer should have a Brinell hardness of at least 32 HB.
  • the bulk density of the bamboo used is preferably at least 0.79 g / cm 3 .
  • the abrasion resistance of the cover layer is higher than 3.7. This achieves a high resistance to mechanical grinding loads.
  • a protective layer for example, applied to the cover layer.
  • This protective layer can, for example, from a two-component lacquer or a plastic sealing system and protects the surface from moisture, mechanical effects and UV radiation. Special benefits for protection and the visual appearance of the surface can become arise when the protective layer of a protective oil, in particular Linseed oil is formed.
  • the oil-protective layer can be in the Material penetrate below the surface, leaving a lower Injury probability of deeper layers exists and superficial scratches can be easily corrected.
  • a manufacturing method for producing a novel Slide board is an independent item the invention.
  • the bamboo used to make a product of the invention Gleitbrettsport advocatess should generally be a Fiber length of at least 1 cm, at a height of not to have grown more than 2000 m over NN 5 years, one maximum residual moisture of 10% after beating stored vertically and over a period of 4 to 6 weeks air-dried, in a cool and dry season beaten and nodes with heavily silicified diaphragms exhibit.
  • Fig. 1 the left side of a ski is shown in sectional view.
  • the section runs perpendicular to the longitudinal axis (longitudinal direction) of the ski.
  • the core of the ski shown in Figure 1 consists of bamboo slats 1 having a width of 0.5 cm, a height of 1.5 cm and a length corresponding to the length of the ski.
  • the bamboo slats 1 are made of bamboo of the genus "Guadua angustifolia”.
  • the bamboo used to make the bamboo battens of the core should, in addition to the above features, also have at least one of the following characteristics: a tenacity of at least 40,000 m, a tensile strength of at least 40 kN / cm 2 , a compressive strength of at least 93 kN / cm 2, a modulus of elasticity under tensile load of at least 32 MN / cm 2, a modulus of elasticity at compression stress of at least 16.5 MN / cm 2, a modulus in flexure of at least 32.5 MN / cm 2, a bending strength of at least 27 , 6 kN / cm 2 or a shear strength of at least 2.2 kN / cm 2 .
  • every second of the bamboo slats 1 is turned, leaving every other lath in a reverse growth direction with respect to the longitudinal direction of the ski comes to rest.
  • 30 of the adjacent bamboo slats with a two-component adhesive under pressure to the actual about 15 cm x 1.5 cm x the length of the raw material long Pressed raw kernels.
  • This raw core is for further processing suitable as a skier.
  • two of these cores will again be under pressure bonded.
  • bamboo slats 1 Above and below the bamboo slats 1 are inner veneer sheets 2, 3 arranged.
  • bamboo is used, to the same requirements be placed as on the bamboo of the core.
  • Analogous for making the bamboo slats 1 of the core is used for the production of the inner veneer layers 2, 3 bamboo to slats of 7.5 cm x 1.5 cm x the length of the raw material processed.
  • to Production of the inner veneer layers 2, 3 become the slats however sawn along the longitudinal axis in 2.5 cm wide strips. Every second one of the sawed slats is turned, to compensate for material irregularities and then to a 15 cm x 1.5 cm x the length of the raw material gauging Pressed raw plate.
  • a running surface 6 milled onto the contour of the snowboard is pressed together with contoured steel edges 7 into a shape corresponding to the outer contour of the ski.
  • the steel edges 7 and the tread 6 are generally known in the art.
  • an approximately 0.2 mm thick rubber layer 8 is glued, with the compound, in particular between the steel edges and the tread can be improved.
  • the further layered structure of the ski consists of the bottom flange 5, the inner veneer layer 2, the bamboo slats 1 of the core, the second inner veneer layer 3, the top flange 4 and a veneer top layer 9.
  • the veneer top layer is produced in an analogous process as the internal veneer layers, however, bamboo of the genus "Phyllostachys pubescens" is used.
  • the bamboo of the upper veneer layer 9 should have a Brinell hardness of at least 32 HB, a bulk density of at least 0.79 g / cm 2 and be provided after processing with a protective coating.
  • Each side of the core a phenolic sidewall 10 is arranged.
  • Above the phenol side cheek a finishing edge 11 is arranged, which is adapted to the contour of the ski and consists of Titanal.
  • a vertical bamboo strip is installed between the core and the phenol side cheek .
  • this bamboo strip is made of bamboo veneer and serves as a vapor barrier 12. For this purpose, it is pretreated with a protective varnish.
  • the ski construction which is completely inserted into the contour shape, is introduced into a heatable vacuum autoclave press and pressed there at a pressure of approximately 5 to 10 kN / m 2 .
  • the press is heated for about one minute to a temperature of 150 ° C. At this temperature, a lasting plastic deformation is imposed on the bamboo, giving the ski its final shape.
  • the press is cooled to room temperature over a period of 4 to 6 hours.
  • a protective oil is a linseed oil with the highest possible Penetration ability used, as it is known from the Boatbuilding is known.
  • Fig. 2 is another possible embodiment of the invention shown. Also, Fig. 2 shows a sectional view of a Skis cut perpendicular to the longitudinal direction.
  • the difference of the ski shown in Fig. 2 in comparison to Fig. 1 relates to the construction of the core.
  • the core exists from angular milled bamboo tubes 21 and bamboo slats 1'.
  • the angularly milled bamboo tubes 21 are manufactured, by dried bamboo tubes of the genus "Guadua angustifolia" with a diameter of about 1.2 cm and a wall thickness of about 0.3 cm with the help of a square milling machine to angle milled bamboo tubes 21 of about 0.85 cm x 0.85 cm x the Length of the raw material to be milled.
  • the resulting angular milled bamboo tubes 21 will then be together with the bamboo slats 1 'with a permanently elastic two-component adhesive under pressure to a raw core with the dimensions 15 cm x 1.5 cm x the length of the raw material pressed.
  • For use as Snowboard core become two of the resulting raw cores again glued together under pressure to form a double core width of 30 cm.
  • a binding instead of the angle-milled bamboo tubes 21 to about 60 cm in length bamboo slats 1 'installed.
  • the further manufacturing process corresponds to the above in connection with the Fig. 1 described manufacturing process.
  • the result of the manufacturing process can be a bamboo construction for a snowboard and a ski of all kinds, consisting from an interior, independent of laminates, in itself Bendless and torsion resistant bamboo torsion box.
  • the Inner torsion box consists of longitudinally unpunched bamboo veneers 2, 3 and perpendicular to the inner torsion box standing core elements 1, 1 ', 21, which ideally from longitudinally unpunched bamboo veneers 1, 1 'or angle-milled bamboo tubes 21 exist.
  • the construction can be used as an outer torsion box being considered in the interior Torsionskasten is embedded and from a top flange 4, a lower flange 5 and the side cheeks 10 consists.
  • the upper strap 3, the lower flange 2 of the inner torsion box ideally made of heavy tensile, compression and torsional loads Materials such as in the longitudinal axis of uncontaminated bamboo veneer.
  • the side cheeks 10 are made of impact resistant, however flexible materials such as phenol, ABS or hardwood.
  • FIG. 3 shows a further embodiment of the invention.
  • FIG. 3 shows a sectional view of a wakeboard, wherein the section is perpendicular to the longitudinal direction.
  • FIG. 1 also shows the ski shown in FIG Wakeboard a core of bamboo slats 1 ", inner Veneer layers 2 ", 3", a top flange 4 ", a bottom flange 5 ", a tread 6" and a cover layer 9 "on.
  • the tread 6 is the requirements of water sports adapted, whereby materials can be used here, which are known per se from the prior art. Since that illustrated wakeboard no upper end edge, no phenol sidewall and has no steel edge, is the top layer 9 "running around the edge revolving, allowing them directly to the tread 6 "abuts Upper girth 4 "designed so that it reaches the lower inner Veneer layer 5 "down, with which it is glued Production otherwise corresponds to the production process of in Figure 1 shown and described skis.
  • FIG. 4 is a cross section through another embodiment a wakeboard according to the invention shown.
  • the with the Reference numerals provided components correspond to those in Figure 3 are shown and with two-part reference numerals are provided.
  • the difference of the one shown in FIG Wakeboards compared to that shown in Figure 3 concerns the construction of the core.
  • the core exists from angularly milled bamboo tubes 21 'and bamboo slats 1 "'The angle-milled bamboo tubes 21' are made as described above in connection with FIG.
  • the invention is not limited to the above-mentioned embodiments limited, in particular, can be to the same The way skis are made with snowboards.
  • the main difference consists in the larger width of the snowboards.
  • kiteboard also water skis or wakeboards be built.
EP03028220A 2003-07-03 2003-12-09 Planche de sport de glisse comprenant un noyau en bambou Expired - Lifetime EP1493468B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20310246U 2003-07-03
DE20310246U DE20310246U1 (de) 2003-07-03 2003-07-03 Bambuskernkonstruktion, für Snowboard und Ski aller Art, bestehend aus einem innenliegenden, von Laminaten unabhängigen, in sich biege- und verwindungssteifen Torsionskasten aus Bambus

Publications (3)

Publication Number Publication Date
EP1493468A2 true EP1493468A2 (fr) 2005-01-05
EP1493468A3 EP1493468A3 (fr) 2005-02-02
EP1493468B1 EP1493468B1 (fr) 2006-12-06

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EP03028220A Expired - Lifetime EP1493468B1 (fr) 2003-07-03 2003-12-09 Planche de sport de glisse comprenant un noyau en bambou

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EP (1) EP1493468B1 (fr)
AT (1) ATE347414T1 (fr)
DE (3) DE20310246U1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005056132A1 (fr) * 2003-12-05 2005-06-23 K-2 Corporation Ame de ski
FR2909893A1 (fr) * 2006-12-14 2008-06-20 Alain Zanco Mecanisation optimisee pour une planche de glisse sur neige.
WO2008095725A1 (fr) 2007-02-09 2008-08-14 Theurl Leimholzbau Gmbh Matériau composite en fibres et noyau de planche de glisse constitué d'un matériau composite en fibres à base de mat de fibres de bois, en particulier pour des skis ou des planches à neige
EP2000180A1 (fr) * 2007-06-06 2008-12-10 Salomon S.A. Planche de glisse ou de roulage avec un renfort de fibres naturelles
DE202009001846U1 (de) 2009-02-13 2009-05-20 Theurl Leimholzbau Gmbh Leichtbaukörper aus einem Faserverbundwerkstoff auf Basis von Holzfasermatten, insbesondere für Rotorblätter in Windkraftanlagen
EP2745885A1 (fr) 2012-12-20 2014-06-25 Salomon S.A.S. Chant latéral pour planche de glisse
EP2682242A4 (fr) * 2011-02-28 2017-08-23 Koyo Sangyo Co., Ltd. Planche en bambou et planche composite et leur procédé de fabrication

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429377A1 (fr) * 1978-06-20 1980-01-18 Saget Michel Perfectionnements apportes aux planches de sport
US20030102650A1 (en) * 2001-12-05 2003-06-05 Shale Gordon Composite sports board such as a skateboard deck

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429377A1 (fr) * 1978-06-20 1980-01-18 Saget Michel Perfectionnements apportes aux planches de sport
US20030102650A1 (en) * 2001-12-05 2003-06-05 Shale Gordon Composite sports board such as a skateboard deck

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ARBOR SPORTS: "snowboards 2003 - the mystic series"[Online] XP002308598 Gefunden im Internet: URL:http://web.archive.org/web/20030618101 629/www.arborsports.com/pages/snowboards_0 3_files/mystic_03.html> [gefunden am 2003-06-18] *
MANSUR AHMAD: "Analysis of calcutta bamboo for structural composite materials" 11. August 2000 (2000-08-11), VIRGINIA POLYTHECHNIC INSTITUTE AND STATE UNIVERSITY , BLACKSBURG, VIRGINIA , XP002308599 Chapter 2 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005056132A1 (fr) * 2003-12-05 2005-06-23 K-2 Corporation Ame de ski
FR2909893A1 (fr) * 2006-12-14 2008-06-20 Alain Zanco Mecanisation optimisee pour une planche de glisse sur neige.
WO2008095725A1 (fr) 2007-02-09 2008-08-14 Theurl Leimholzbau Gmbh Matériau composite en fibres et noyau de planche de glisse constitué d'un matériau composite en fibres à base de mat de fibres de bois, en particulier pour des skis ou des planches à neige
EP2000180A1 (fr) * 2007-06-06 2008-12-10 Salomon S.A. Planche de glisse ou de roulage avec un renfort de fibres naturelles
FR2916983A1 (fr) * 2007-06-06 2008-12-12 Salomon Sa Soc Par Actions Sim Planche de glisse ou de roulage
DE202009001846U1 (de) 2009-02-13 2009-05-20 Theurl Leimholzbau Gmbh Leichtbaukörper aus einem Faserverbundwerkstoff auf Basis von Holzfasermatten, insbesondere für Rotorblätter in Windkraftanlagen
EP2682242A4 (fr) * 2011-02-28 2017-08-23 Koyo Sangyo Co., Ltd. Planche en bambou et planche composite et leur procédé de fabrication
EP2745885A1 (fr) 2012-12-20 2014-06-25 Salomon S.A.S. Chant latéral pour planche de glisse
FR2999944A1 (fr) * 2012-12-20 2014-06-27 Salomon Sas Chant lateral pour planche de glisse

Also Published As

Publication number Publication date
ATE347414T1 (de) 2006-12-15
DE102004003855A1 (de) 2005-01-27
DE20310246U1 (de) 2004-11-04
EP1493468A3 (fr) 2005-02-02
DE50305904D1 (de) 2007-01-18
EP1493468B1 (fr) 2006-12-06

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