EP1952854B1 - Ski ou snow-board doté d'un moyen d'influence de sa géométrie et son procédé de fabrication - Google Patents

Ski ou snow-board doté d'un moyen d'influence de sa géométrie et son procédé de fabrication Download PDF

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Publication number
EP1952854B1
EP1952854B1 EP08001386.5A EP08001386A EP1952854B1 EP 1952854 B1 EP1952854 B1 EP 1952854B1 EP 08001386 A EP08001386 A EP 08001386A EP 1952854 B1 EP1952854 B1 EP 1952854B1
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EP
European Patent Office
Prior art keywords
slot
board body
ski
bridging element
gliding board
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.)
Not-in-force
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EP08001386.5A
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German (de)
English (en)
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EP1952854A1 (fr
Inventor
Bernhard Ing. Riepler
Rupert Huber
Helmut Dipl.-Ing. Holzer
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.)
Atomic Austria GmbH
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Atomic Austria GmbH
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Publication date
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Publication of EP1952854A1 publication Critical patent/EP1952854A1/fr
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    • 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
    • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
    • A63C5/07—Skis or snowboards with special devices thereon, e.g. steering devices comprising means for adjusting stiffness
    • 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
    • A63C5/04—Structure of the surface thereof
    • A63C5/0405—Shape thereof when projected on a plane, e.g. sidecut, camber, rocker
    • 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
    • A63C5/04—Structure of the surface thereof
    • A63C5/0428—Other in-relief running soles
    • 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
    • A63C5/128—A part for the binding being integrated within the board structure, e.g. plate, rail, insert

Definitions

  • the invention relates to a ski or a snowboard in the form of a board-like sliding device and a method for producing a corresponding ski or snowboard, as indicated in claim 1 or 29.
  • the EP 1 297 869 A1 is a Schneegleitbrett, in particular a ski, and a spreading device for the sliding board body described.
  • the sliding board body is at least over a partial length by this spreader in its width variable.
  • the spreading causes this spreading of the sliding board body in response to the load or bending of the sliding board body.
  • This spreading device consists of a plurality of paired expansion levers, which cause a spreading of the sliding board body in the region of a slot in the rear end of the ski.
  • the load-dependent wider and narrower slit is thus provided at a rear end of the sliding board body.
  • an actuator may be formed, via which the expansion element of the spreading device can be preset.
  • the rear end of the sliding board body is slit and integrated within the slot or the corresponding recess, which occupies about one third of the width of the ski width, the spreading device.
  • the DE 298 14 522 U1 describes a board-type gliding device, in particular a ski sport device, in which two structurally independently executed, elongated sliding board parts are arranged parallel to each other and held by means of an elastic resilient connection device in variable side and height distance.
  • the elastic connecting device is formed by a so-called stretch part, which is formed of rubber, tension springs or the like. This stretch part is formed over the entire length of the two parallel Gleitbrettmaschine. The two separately formed Gleitbrettmaschine be held on the wide elastic connecting element in parallel alignment.
  • the sliding board parts which are movable relative to the force effect of the so-called stretch part, thereby permit a variation of the distance between the sliding parts, so that, when used by an operator, they can be driven in a narrow lane or alternatively in a wide lane.
  • the disadvantage here is that the elastic connection device is difficult to withstand the stresses occurring in practice between the two independent Gleitbrett negligence and the achievable with such a ski sport performance is not very satisfactory.
  • a change in the sidecut of the sliding board body, in particular the side radius of this sliding device is not possible.
  • the EP 0 490 044 A1 describes a ski having a lower sliding board body and an elongate stiffening element attached to the upper side thereof, which is coupled to the upper side of the sliding board body by a flexible or partially rigid connection.
  • the lower gliding board body is defined by a standard ski construction by adhesively bonding several strength-relevant layers and a core member.
  • the stiffening element which extends over more than 50% of the length of the sliding board body, is designed according to a first embodiment as a multilayer sandwich construction, which is connected to the top of the sliding board body via an elastically resilient adhesive layer.
  • This multilayer, sandwich-type stiffening element has on its upper side and on its side walls on a decorative cover layer, which determines the appearance of the stiffening element.
  • the stiffening element from a composite material and to shape its cross-section hat-shaped or after an omega.
  • the sandwiched stiffening element connected to the gliding board body on the upper side of the gliding board body does indeed influence the flexural stiffness behavior
  • the Gleitbrett stresses, a user-specific change or a load-dependent variation of the waist of the sliding board body is not possible.
  • the DE 27 04 858 A1 describes a ski designed in particular for descents in deep snow.
  • a recess extending in the longitudinal direction of the ski is formed which extends from the ski top side to the ski running surface.
  • This recess extends at least over half the length of the rear ski section and divides the rear ski section into two adjoining sections.
  • the rear section of the ski is easier to sink into deep snow, while the front section of the ski can be held in the upper part of the deep snow.
  • the slot-shaped recess in the rear end portion of the ski can also be covered by a roof-shaped, preferably curved cover, which is connected at its edges to the lateral sections of the ski.
  • the strength of the two rear sections is increased.
  • the DE 32 00 383 A1 describes a ski whose upwardly curved blade section has at least one parallel to the ski longitudinal axis or at an acute angle to the longitudinal axis Schil bugssachse slot.
  • the slot is formed exclusively in the upwardly shaped blade section and is in principle not in contact with the sliding base, in particular with a snow surface. A load-dependent variability or a manual change of the sidecut is not possible in this known ski.
  • the EP 0 430 805 A1 describes a sliding board body, which consists of two substantially parallel sliding board parts, which are held by a plurality of structurally independent connecting elements at a defined distance from each other.
  • a mountable as required tread surface formed between the two Gleitbrett malaria over the entire length of the sliding board body extending longitudinal gap is closed.
  • two structural autonomous trained Gleitbrettmaschine be connected to a one-piece Gleitbrett emotions with increased width.
  • the achievable with such Gleitbrett endeavor use performance is not very satisfactory.
  • the coupling mechanism causes increased costs, since a plurality of diverse connection mechanisms and spacers is required.
  • the DE 36 02 006 A1 describes a Schneewander réelle in the manner of a short ski with a shovel-like upward curved in the front end portion ski body, on the top surface of a bond is mounted.
  • the snowmobile device consists of two spaced-apart Einzelschioasan, which are rigidly interconnected. This is done by an almost over the entire ski body length extending connecting web.
  • the front end of this Schneewander advocatess is formed by two spaced apart, each upwardly curved blades, between which a bending elastic trained tab is arranged. This tab is hinged around the front end of the ski body from the top surface to the tread and vice versa. This can be achieved by a corresponding centrifugal movement of the foot or front end of the ski body.
  • the AT 238 074 B describes a ski whose front or rear section consists of two juxtaposed ski body sections separated by at least one vertical slot running in the longitudinal direction of the ski.
  • the width of the vertical slots is smaller than the width of the individual, separate body sections.
  • the length of the vertical slots starting from the ski tip or from the Schihinterende to the first cross-connection between the ski body sections is about one third of the total ski length.
  • the EP 0 034 643 A1 describes a ski, which in the direction of travel related rear end portion has a wedge-shaped in plan view incision, so that the sliding board body has a dovetail-shaped end portion. Measures to influence the waist of the sliding board body are not to be found in this document.
  • the DE 43 24 871 A1 describes a sliding board body, which can be composed of three structurally independent, board-like elements.
  • a sliding board in particular a snowboard, is assembled from a total of two skis and a center section arranged therebetween, as well as using fitting parts.
  • a tensioning means is arranged, by means of which the laterally arranged to the middle part of Schier can be stretched under elastic deformation in their transverse direction against each other, so that the desired waist radius of the sliding board can be adjusted.
  • the gap will become smaller and smaller with increasing deformation of the ski in the transverse direction, until it completely disappears at the middle part when the two skis fully engage.
  • the fully assembled sliding board or snowboard ultimately has waist radii which are substantially smaller than those of the skis.
  • the disadvantage here is that the handling of this sliding board is complex and the necessary components, in particular the fitting parts, are mechanically complex and significantly increase the overall weight of the sliding board body.
  • the DE 34 44 345 A1 describes a so-called Doppelkufenschi, in which two skids of a ski parallel to each other and are bent at the two ends connected to each other upwards.
  • several, in particular three or four runners per run may run parallel to one another and to be connected at their opposite ends to form one unit.
  • the longitudinally extending slot between the double skids should drain accumulated snow before the tip of a ski better. Rounded inner edges the two skids to ensure easier rotation and maneuverability of the ski.
  • the proposed embodiments have only a limited practicality.
  • the DE 85 12 315 U1 describes a ski whose rear portion is divided by a slot.
  • the width of the slot is reduced by means of an adjustment and enlarged, so that the rear portion of the ski is variable with respect to its side edge course.
  • the DE 84 22 316 U1 describes a ski whose front and rear portions have longitudinal slots extending forwardly and rearwardly from the binding mounting portion and stopping short of the respective end of the ski, so that one-piece transverse stable ski ends are formed respectively.
  • the width of the slots can be changed so that an independent change of the side edge profiles in the front and rear section of the ski is possible.
  • the disadvantage here is that the geometries that can be set with this structure lead relatively soon to inhomogeneous or non-uniform progressions of the side edges, so that the control behavior of the ski suffers.
  • the so-called “driving on the edge” which is important for the dynamics or acceleration of the ski at the exit of the curve, is made more difficult, as a result of which disadvantageously disadvantageous slip phases can occur during cornering.
  • the DE 24 17 156 A1 describes a ski, which consists of at least two juxtaposed sliding strips. These sliding strips are connected to one another via fastening means such that relative movement of the two sliding strips in the vertical direction to their sliding surface is made possible, at least in their middle section. As a result, a multiple, in particular a double edge support is achieved, which should allow an improved grip against lateral slipping.
  • the mechanical coupling between the two Gleitorn requires complex devices, whereby such a structure has little practicality.
  • the FR 2 794 374 A1 discloses various variants for changing the geometry, in particular the side edge profile of a ski.
  • both ends of the ski may be provided with slots which extend beyond the ends of the ski so as to result in longitudinal cuts in the opposite ends of the ski.
  • Close to the front and rear ends of the ski mechanically coupled or independently acting adjustment means are provided which allow a narrowing or spreading of the respective ends of the ski.
  • the EP 1 516 652 A1 describes a snow sliding board, in particular a snowboard, which has at least one of its ends a recess into which an insert is inserted.
  • This insert is shaped such that it forms on its underside at least one trough or depression, which is open to the underside of the sliding board body.
  • the insert is formed from a permanently deformable material, in particular from a thermoplastic polymer or plastic, which is permanently deformed into a curved, projecting over the top of the sliding board body shape while the snow sliding board is produced. With these depressions or recesses in the running surface of the snow gliding board, the flow of the snow or the gliding in the snow should be positively influenced.
  • an improved guidance for the snowboard as well as a reduced resistance in the rear blade area should be set.
  • improved deep snow properties are to be achieved for a snowboard.
  • An individual change in the guiding properties, in particular the cornering behavior of the snow gliding board, however, is not possible via the insert part of permanently formed thermoplastic material inserted into the recess.
  • the DE 201 13 739 U1 describes a snowboard having substantially along its central axis a slot which extends from the rear end of the sliding board body at least to its central portion and thus forms two separate, rear legs, which are interconnected by the one-piece, front portion.
  • This slot runs tapering from back to front in a substantially wedge-shaped manner, wherein the slot is made wider in the rear portion of the snowboard, as in the middle section of the snowboard.
  • this slot can pass into a depression that runs smoothly towards the front section of the snowboard.
  • an adjusting device is provided which acts on the two legs of the snowboard and is designed as a threaded spindle assembly.
  • the distance between the two legs is adjustable both in the pulling direction, ie in the manner of a narrowing of the slot, as well as in the printing direction, ie in the manner of widening of the slot. Consequently, the sidecut and thus the handling of the snowboard can be changed individually to a certain extent.
  • the disadvantage here is that the slot in the sliding board body, which extends from the rear end over more than half the total length of the sliding board, forms two legs, which extend over vast sections independently of each other and are therefore exposed to high loads.
  • the edge grip or steering stability of such an embodiment is only partially satisfactory, after acting on the relatively narrow legs of the snowboard during cornering high torsional loads that can cause a relatively strong distortion of the leg about its longitudinal axis.
  • the stability or likelihood desired by the user is difficult to fulfill.
  • the present invention has for its object to provide a ski or a snowboard, which or which has manually variable properties and / or load-dependent variable driving characteristics, the achievable with such GleitbrettSh performances should be as little or not affected. In particular, an improved cornering behavior and the best possible sliding behavior should be achieved. Independently of this, a further object of the invention is to provide a method for producing a corresponding ski or snowboard.
  • the first-mentioned object of the invention is achieved by a board-type sliding device according to the features in claim 1. It is advantageous that the end user or the staff of a rental business the ski of the invention or the snowboard according to the invention with regard to the driving characteristics better adapted to the individual needs or to each existing conditions of use, especially on the runway condition.
  • a manually presettable geometry influencing means is especially for individualists an interesting driving behavior also achieved when the geometry influencing means depending on the load of the sliding board body, in particular as a function of its deflection during cornering, causes a varying sidecut.
  • the waist radius of the sliding board body can be converted, starting from a structurally predetermined starting or resting state in an increasingly smaller waist radius.
  • such a geometry influencing means can be designed such that with increasing load or deflection of the sliding device whose sidecut is preferably more pronounced.
  • its sidecut could decrease with increasing deflection.
  • a more or less aggressive or punctually accurate driving or cornering behavior can be generated which positively influences the driving behavior or can increase the fun or enjoyment of using the board-like gliding device.
  • a particular advantage of this in its geometry, in particular in its sidecut in a dynamic and / or static manner variable or variable sliding device is that its sliding behavior is significantly improved compared to known, generic sliding devices.
  • a ski according to the invention or a snowboard according to the invention has almost the same sliding performance as a standard gliding device without slitting its end sections, in particular its front end section related to the direction of travel.
  • sufficient variability of the width of at least one end section of the board-type sliding device is ensured by means of the elastically extensible and recoverable bridging element.
  • an ideal sliding performance is achieved after a debris of snow within the slot of the slider is reduced. In particular, this avoids that the slot represents a kind of collecting channel for snow, so that an accumulation or structure of snow, which would have to be pushed in the sliding direction of the sliding device in front of him, largely prevented or completely avoided.
  • a bridging element which has high extensibility. It is essential that even after a variety of expansion and recovery cycles hardly fatigue or cracks occur. In addition, only a relatively small actuating force is required to effect a corresponding expansion of the bridging element.
  • a bridging element which has a sufficient extensibility or strain width and the material stress can be kept as low as possible.
  • relatively small forces are already sufficient to achieve a corresponding expansion or broadening of the bridging element.
  • such a bridging element has a high mechanical robustness.
  • such a bridging element has a long service life, even after numerous strains and compressions of the bridging element hardly occur in the material of fatigue.
  • a recess or guide groove is formed in the sliding surface of the sliding board body, which can contribute to improving the driving characteristics.
  • the tracking or the straight-line running of the sliding board body can thereby be improved.
  • the requirements are reduced to the inherent elasticity of the material of the bridging element.
  • a bridging element can thereby be created, which is long-term stable in function and has a high mechanical stability with respect to external forces acting perpendicular to the running surface of the sliding board body.
  • a particularly tear-resistant connection between the bridging element and the slot limiting edge or wall sections of the sliding device is created.
  • a wave formation transverse to the longitudinal direction of the bridging element is best prevented by these large-scale, in the edge sections as continuous as possible connection. In addition, this minimizes the risk of detachment of the bridging element from the underside of the sliding board body.
  • Another advantage is also an embodiment according to claim 11, characterized in that the edge portion of the bridging element form a sufficiently large connection or adhesive edge, which allows a particularly tear-resistant and long-term reliable connection of the bridging element with the slot limiting edge portions of the sliding board body.
  • the risk of delamination or a detachment of the bridging element is completely unlocked.
  • a particularly robust cladding or bridging of the longitudinal slot, in particular in the weakened in the strength or rigidity portion of the sliding board body is achieved.
  • the driving behavior of the sliding board body can be markedly changed without any impairment of the service life or functionality of the Gleitbrett stressess occurs.
  • the layers relevant for the strength or transverse rigidity of the sliding device are severed or slotted in their longitudinal center, so that a striking or sufficiently strong change in the sidecut or cross-sectional shape of the sliding board body can be achieved.
  • a significant change in cross section can thereby be achieved with relatively lightweight and simply constructed cross-sectional influencing means.
  • the measures according to claim 16 provide the advantage that the most homogeneous or uniform variation of the sidecut is guaranteed. In particular, abrupt changes in contour of the sidecut or the so-called sidecut can thereby be avoided.
  • the advantageous embodiment according to claim 19 ensures that the maximum achievable cross-sectional or geometry change of the sliding board body is relatively pronounced even under moderate or moderate force on the geometry influencing means or on the loads occurring during driving.
  • By forming longitudinally extending slots in the front and in the rear end portion of the sliding board body can be achieved with relatively small strains or widening of the slot-like openings or cuts in the sliding board body a particularly striking change in the geometry or the waist radius of the sliding board.
  • the embodiment according to claim 20 allows a static presetting of the respective desired geometry of the sliding board body in dependence on the individual wishes of the user.
  • a particularly robust and structurally advantageous embodiment of a geometry-influencing means is specified in claims 22 and 23, respectively.
  • high control forces can thus be transmitted between the geometry-influencing means and the gliding board body without the need for costly or expensive modifications to the ski or snowboard.
  • Another advantage is an embodiment according to claim 24, as a sliding board body with high suitability for everyday use is thereby achieved and the risk of delaminations of the sandwich construction of the ski or snowboard can be almost eliminated. It also helps to create a more appealing appearance after an enlarged graphic design surface becomes available.
  • the gliding board body in sections in which the highest loads occur is weakened as little as possible, but in those sections that are relevant for influencing the geometry or the driving behavior of the gliding board body, a comparatively has high elasticity or flexibility and shape variability.
  • a sliding board body is created that easily withstand the stresses occurring under normal conditions of use, this sliding board body still allows a marked change in its geometry, in particular its driving or "carving behavior".
  • this sliding board body still allows a marked change in its geometry, in particular its driving or "carving behavior".
  • a GleitbrettSh created with high robustness, after the elastically stretchable bridging element acting loads, in particular the running perpendicular to the tread pressure loads can be accommodated without increased risk of damage or overloads of the elastically stretchable bridging element consists.
  • a bridging element designed in this way optimally meets the requirements as they occur in the individual longitudinal sections of the sliding board body.
  • such a bridging member has a high extensibility in the outer end portions of the sliding board body, while the bridging member occupies relatively little space volume in the end portion closest to the binding mounting portion and in which the slot is made relatively narrow.
  • the claimed profiling or contouring of the sliding board body is particularly useful.
  • a bridging element designed in this way a significantly improved sliding performance or slidability of a geometry-variable sliding board body can be achieved.
  • the second object of the invention is achieved by a manufacturing method according to claim 29. It is advantageous that a manufacturing method is provided which allows in only one hot pressing cycle a permanent connection of the elastically stretchable bridging element with the sliding board body. In addition, a good seal is achieved by the elasticity of the bridging element, by which an outlet or passage of the flowable under the influence of temperature adhesive between the tread surface and the bridging element can be kept behind or avoided. In particular, by means of the elastically stretchable bridging element, a transfer of adhesive into the region of the slot during the production of the sliding board body can be well prevented, whereby any contamination of the surface or surface of the elastically stretchable bridging element or surrounding components with adhesive substances is possible excluded.
  • this manufacturing method in its longitudinal direction at least partially slotted sliding board body with an elastic stretchable bridging element for the slot-like incision already created during the hot pressing process, the specified manufacturing process allows the fastest possible production, but above all allows a production with as few post-processing steps. This means that subsequent slits of a multilayer gliding board body are avoided and, in particular, subsequent milling or cutting processes are unnecessary for splitting or splitting of the strength-relevant layers running in the longitudinal direction of the gliding board body. Another advantage of this manufacturing method is that a high-strength connection between the elastically stretchable bridging element and the edge portions is provided around the slot in the sliding board body.
  • the bridging element for the tread surface within the mold can be positioned quickly and accurately.
  • unintentional slippage of the bridging element and / or the slotted tread surface during insertion of the various layers, during the injection of filling or adhesive foam and / or closing the mold is simply and effectively prevented.
  • the measures according to claim 31 are also advantageous, since in this way the individual layers or layers of the gliding board body are connected to one another with only one hot pressing operation and at the same time the elastic bridging element spanning the slot is fastened. As a result, a high-strength and particularly durable connection between the bridging element and the sliding board body is created. In addition, separate joining methods, which would be expensive and would increase production costs, are unnecessary.
  • the boundary surfaces of the slot in the sliding board body are at least partially lined with the liquid-tight cover layer, so that the risk of delamination of the multilayer Gleitbrett stressess is minimized.
  • a sliding device with a visually appealing appearance can be created with the least possible production effort.
  • a board-like sliding device 1 with load-dependent varying geometry shown in the Fig. 1 to 6 .
  • a ski 2 is shown schematically, whose cross-sectional geometry or waisting varies depending on the load occurring when edge up on the lateral control edges, in which only the most essential components are exemplified.
  • only the most essential sub-components, in particular the sliding board base body and the means for influencing the geometry of the sliding board body are illustrated in individual figures.
  • the board-like sliding device 1 is formed by a ski 2 or by a snowboard.
  • a ski 2 is to be used in pairs, whereas the user of a snowboard is supported with both feet on a single sliding board body.
  • this comprises at least one binding device 3, which can be designed as a safety trigger binding or as a relentless coupling coupling.
  • the board-like sliding device 1 is designed in sandwich or monocoque construction. That is, a plurality of layers are adhesively bonded to each other and together form the one-piece main body of the sliding device 1. In a manner known per se, these layers form at least one strength-relevant upper flange 4, at least one strength-relevant lower flange 5 and at least one core 6 arranged therebetween.
  • the upper belt 4 and / or the lower belt 5 can be formed from at least one plastic layer and / or metallic layer and / or fiber layer and / or epoxy resin layer or the like.
  • the core 6 can - as known per se - made of wood and / or foam plastics. The core 6 essentially distances the strength-relevant upper belt 4 from the strength-relevant lower belt 5 of the sliding device 1.
  • the upper side 7, ie the upper outer surface of the sliding device 1, is formed by a covering layer 8, which predominantly fulfills a protective and decorative function.
  • the underside 9, ie the lower surface of the sliding device 1, is formed by a tread covering 10, which has the best possible sliding properties against the corresponding substrate, in particular with respect to snow or ice.
  • the cover layer 8 may extend at least partially over the side cheeks of the board-like sliding device 1 and together form a box-like structure with the tread 10, as in particular the cross-sectional view according to Fig. 4 can be seen.
  • the lateral edges of the tread 10 are preferably limited by control edges 11, 12, preferably made of steel, to allow as exact as possible or largely non-slip guidance of the sliding device 1, even on relatively hard ground.
  • control edges 11, 12 are rigidly connected to the structure, in particular with the outsole or the lower flange 5 of the sliding device 1.
  • the control edges 11, 12 as known per se - positively and non-positively defined in Gleitello#.
  • the tread surface 10 is firmly connected over its entire, the core 6 facing flat side with the Gleitelloied, in particular with the lower flange 5.
  • the tread surface 10 is glued over its entire surface with the surrounding components of the sliding device 1.
  • the running surface covering 10 or the underside 9 of the sliding device 1 is in the original, unloaded state of the sliding device 1 in cross section through the binding mounting portion according to Fig. 4 made straight or flat, so that the slider 1 in the unloaded initial state, a substantially flat bottom 9 or outsole is present.
  • the above-described construction significantly determines the strength, in particular the bending behavior and the torsional rigidity of the board-like sliding device 1. These strength values are predetermined or predetermined by the materials and layer thicknesses used and by the connection methods used. It is essential that the indicated, board-like sliding device 1 comprises at least one geometry influencing means 19, which allows a load-dependent variable and / or a manually variable, in particular a presettable cross-sectional geometry or sidecut of the sliding device 1. Under sidecut is the so-called "sidecut" or side edge radius of the sliding device 1 to understand.
  • the structurally predefined waisting of the sliding device 1 thus results in a width 13 of the sliding device 1 which varies in the longitudinal direction of the sliding device 1.
  • the geometry influencing means 19 of the sliding device 1 comprises reference to the width 13 of the sliding device 1 at least in the central portion of the sliding device 1 at least one slot 14.
  • This slot 14 in the sliding board body extends with respect to its longitudinal extent in the longitudinal direction of the sliding device 1 and with respect to its depth direction - arrow 15 - starting from the top 7 of the sliding device 1 in the direction of the tread surface 10th
  • the at least one slot 14 extends substantially parallel to the longitudinal direction of the sliding device 1, as best of all Fig. 1 is apparent.
  • the at least one slot 14 along the longitudinal middle section of the ski 2 is dimensioned and designed such that a cross-sectional weakening of the sliding device 1 is effected and in particular the rigidity or dimensional stability of the sliding device 1 is reduced transversely to its longitudinal direction.
  • the slot 14 is formed at least in the front portion, ie in the partial section between the binding device 3 and the front end of the sliding device 1.
  • a slot 14 is also executed in the rear portion of the sliding device 1, ie in the section between the binding device 3 and the rear end of the sliding device 1.
  • the at least one slot 14 may also extend over the binding mounting portion of the sliding device 1, ie extend continuously from the front end of the sliding device 1 in the direction of the rear end of the sliding device 1.
  • this slot 14 extends in the region of the longitudinal central portion of the sliding device 1, in particular in its binding mounting portion, only over a portion of the cross-sectional height of the sliding device 1, so that it is executed in the binding mounting portion in the manner of a groove.
  • the formed in at least one end portion, preferably in both end portions of the sliding device 1 slot 14 penetrates in at least one of the end portions of the sliding device 1 all strength or stiffness relevant components of Gleitbrett stressess or Gleiticides 1. That is, the at least one slot 14 in at least one the end portions of the slider 1 forms a split end portion of the slider 1.
  • the slot 14 defines at least one dovetail-shaped end portion on at least one end of the slider 1.
  • This slit of the front and / or rear end of the gliding board body results in at least first and second sliding board tongues 16, 17 per end portion of the slider 1.
  • the first and second sliding board tongue 16, 17 are substantially independent of each other relatively movable. That is to say that the first sliding board tongue 16 is largely decoupled relative to the second sliding board tongue 17 in static or mechanical terms, if one considers only the actual sliding board body, as shown in FIG Fig. 2 is exemplified.
  • This mechanical decoupling is by the effected between the first and second sliding board tongue 16, 17 slot 14 accomplished, which extends from at least one of the outermost ends of the sliding device 1 in the direction of the longitudinal center of the sliding device 1.
  • the slot 14 cuts through at least one end portion of the slider 1 completely, ie within its entire cross-sectional height, the slot 14 also extends to the extreme end of the slider 1, so that the previously defined, dovetail-shaped end portion of the slider 1, in particular the ski 2 is formed ,
  • the at least one slot 14 subdivides the upper belt 4, which is relevant with regard to the statics or strength of the sliding device 1, into a first or left and a second or right upper belt strand 4a and 4b substantially within the longitudinal extent of the slot 14 or separates. That is, the upper belt 4 is interrupted or severed due to the formation of the slot 14 substantially within the longitudinal portion of the slot 14 and is divided into at least two Obergurtstrcarde 4a, 4b. The same applies to the lower flange 5, which is at least within the longitudinal portion of the slot 14 also divided into a first and left and in a second or right Untergurtstrang 5a and 5b or separated.
  • the strength-relevant upper flange 4 and also the strength-relevant lower flange 5 are thus interrupted or split by means of the longitudinal slot 14, so that the sliding device 1 is substantially reduced in its transverse rigidity and in particular an adjustment of the thus formed Gleitbrettzonne 16, 17 is made possible relative to each other if the sliding device 1 or the ski 2 is exposed to corresponding edge loads and / or when a corresponding geometry influencing means 19, for example a manually presettable adjusting means, in particular a spreading means 20, is used.
  • the slot 14 extends or extending in the longitudinal direction of the slider 1 juxtaposed slots 14 over 40 to 80%, preferably over about 60% of the length of the sliding device 1. Regardless or in combination thereto, which formed at the front end of the sliding board body slot 14 extends over 50% to 90%, preferably over about 75% of the section between the binding device 3 and the front end of the sliding device. 1
  • the slot 14 extends into the front blade section of the ski 2 and is therefore also formed in the blade section, as shown in FIG Fig. 1 is shown by way of example.
  • the slot 14 extends continuously within the front blade section to the front end of the ski tip.
  • the upwardly curved blade section which has a relatively high transverse rigidity as a result of this curvature, is thereby decisively influenced in terms of its torsional rigidity, whereby the necessary stability requirements can be fulfilled by such a ski 2 with at least one split end section on the one hand and the desired ones on the other hand , elastic deformations can occur.
  • the board-like sliding device 1 comprises at least one geometry-influencing means 19, which is formed is to change or influence the cross-sectional geometry of the sliding device 1 in at least one of the end portions of the sliding device 1.
  • a spreading means 20 is formed as a geometry influencing means 19 which, depending on the load-dependent deflection of the sliding device 1, a variation of the width 18 of the slot 14 and thus a load-dependent change of the sidecut or the width 13 of the sliding device 1 within the longitudinal extent of Slot 14 causes.
  • the spreading means 20 is formed such that the two sliding board tongues 16, 17 are spread apart transversely to the longitudinal direction of the slider 1 and substantially parallel to the tread surface 10 when the slider 1 is subjected to a deflection, as is especially when cornering with the Sliding device 1, in particular during so-called "carving" occurs.
  • the spreading means 20 widened so at least one end portion of the sliding device 1, if an elastic bending of the corresponding end portion of the sliding device 1 about a transverse axis of the sliding device 1 takes place, as shown in particular from the illustrations of the geometry influencing means 19 according to the Fig. 1 and 3 is clearly recognizable.
  • the at least one slit 14 which divides the strength-relevant components or layers and layers of the sliding device 1 in at least one end portion of the sliding device 1 and thus two substantially parallel sliding board tongues 16, 17 in at least one of the end portions of the sliding device forms, is provided or covered with an elastically stretchable bridging element 22.
  • This elastically stretchable bridging element 22 is preferably formed by a one-piece, elastically extensible and recoverable plastic layer 23, so that a wide-variable bridging element 22 between the two sliding board tongues 16, 17 is formed.
  • the elastically extensible bridging element 22 is elastically stretchable and recoverable at least transversely to the longitudinal extent of the slot 14 or of the sliding device 1.
  • the elastic extensibility and resiliency of the bridging element 22 can be accomplished by the plastic layer 23 inherent elasticity properties and / or by the shape, in particular the cross-sectional shape of the bridging element 22.
  • the bridging element 22 or the plastic layer 23 may comprise at least one expansion fold 24 or similar shapes which are suitable for width variation, such as a fold-like deflection, an arcuate bulge or the like. Have.
  • the bridging element 22 is also designed such that it prevents a passage or a transfer of snow within the slot 14, starting from the tread 10 toward the top 7 of the sliding device 1.
  • the bridging element 22 fulfills the function of a barrier layer which can be stretched and restored elastically at least in the transverse direction and which also prevents a passage or a transfer of snow or ice between the lower side 9 and the upper side 7 of the sliding device 1 and vice versa.
  • the bridging element 22 may represent an elastically stretchable intermediate piece of the tread surface 10, as this especially from the Fig. 5, 6 is apparent.
  • the bridging element 22 for the slot 14 in the tread 10 or in the sliding device 1 thus has a with respect to its cross-sectional shape reversibly changeable, in particular elastically stretchable and recoverable expansion section 25.
  • the bridging element 22 is reversibly variable, in particular expandable and compressible, in particular with respect to its cross-sectional shape.
  • the bridging element 22 may have the previously indicated expansion fold 24.
  • the shape-variable cross-section or expansion section 25 may be formed by at least one arcuate deflection 26 in the cross-sectional profile of the bridging element 22.
  • this expansion section 25 may be formed by an indentation or bulge in the cross-sectional profile of the bridging element 22, as best shown in FIGS Fig. 5 to 9 is apparent.
  • the cross-section of the bridging element 22 is preferably selected such that within the longitudinal extent of the bridging element 22 at least one substantially parallel to the longitudinal central axis of the sliding device 1 extending recess 28th is trained.
  • This recess 28 is formed in the bottom 9 of the sliding device 1 and thus extends starting from the Sliding surface on the underside 9 of the tread 10 at least partially toward the top 7 of the sliding device. 1
  • the bridging element 22 preferably has two in the longitudinal direction of the sliding device 1 extending, in cross-sectional view dome-shaped upwardly facing and substantially parallel to each other, loop-shaped deflections 26.
  • the bridging element 22 may be formed from any material that is as tear-resistant and elastically deformable as possible.
  • the bridging element 22 is formed from a strip-shaped plastic layer 23, in particular from an elastomeric plastic, wherein the bridging element 22 is preferably produced by means of an injection molding process and thereby obtains the desired profiling or cross-sectional shape.
  • the bridging element 22 may also be formed from a non-molded plastic, in particular from a textile material. Such a textile or woven material is preferably provided with a coating, in particular of an elastomeric plastic.
  • a thickness 29 of the bridging element 22 preferably corresponds approximately to a thickness 30 of the tread surface 10. Accordingly, a thickness 29 of the bridging element 22 is expediently between 0.1 mm to 2 mm, in particular the thickness 29 of the bridging element 22 is approximately 1 mm.
  • the bridging element 22 should, in addition to corresponding elasticity properties, also be designed to be as puncture-resistant or tear-resistant as possible.
  • the bridging element 22 is designed to be so robust or tear-resistant that when the tip of a conventional ski pole is supported on the bridging element 22 and the ski pole is loaded with the torso of a person, the bridging element 22 is not perforated.
  • the bridging element 22 is designed so robust or abrasion resistant that at least five winter seasons with average frequency of use of Gleitbrett emotionss due to the friction movements against snow or ice do not lead to such wear or wear phenomena that the performance of Gleitbrett emotionss would be impaired.
  • the tensile strength of the bridging element 22 is preferably chosen such that a stone, which is loosely on a corresponding ski slope, can not lead to the rupture or tearing of the bridging element 22 when the Gliding board body, especially the ski 2, slides over a corresponding stone.
  • At least the underside of the bridging element 22 facing the substrate of the gliding board body can be provided with a coating which reduces the sliding friction or with a coating which increases the sliding ability with respect to snow or ice.
  • This frictional resistance to snow or ice reducing coating of the bridging element 22 may be formed by a layer of Teflon, sliding wax or similar, the sliding friction reducing substances.
  • the bridging element 22 which can be stretched and restored elastically at least in its transverse direction can also be formed by a layer consisting of several components.
  • the bridging element 22 can have at least one reinforcement layer and at least one cover layer.
  • the bridging element 22 can also be made transparent or colored diffusely or translucently.
  • the bridging element 22 can be produced by means of a multi-component injection molding process in order to obtain the desired spatial profiling and / or, for example, to form zones with different strength and / or elasticity properties.
  • the bridging element 22 can thereby also have color-contrasting zones in a simple manner.
  • the bridging element 22 is designed at least in its lateral edge portions 33, 34 such that a high-strength, adhesive or thermoplastic welded connection with the adjacent layers or layers of the sliding board body is achieved.
  • the bridging element 22 is preferably designed as a structurally independent component.
  • This bridging element 22 is connected via its lateral edge portions 33, 34, which extend substantially parallel to lateral boundary edges 31, 32 of the slot 14, with the two sliding board tongues 16, 17.
  • lateral edge sections 33, 34 of the bridging element 24 close as gap-free as possible to side edges 35, 36 of the tread covering 10 facing one another.
  • a width 37 of the bridging element 22 is preferably dimensioned larger than a clear width 38 of the slot to be bridged 14.
  • the lateral edge portions 33, 34 of the bridging element 22 overlap zones 39, 40, via which the bridging element 22 with the sliding board tongues 16, 17th a force fit, in particular adhesively bonded.
  • This adhesive connection is designed in such a way that the bridging element 22 merges with the outer surface edges of the lateral edge sections 33, 34 in the overlapping zones 39, 40 or with the outer edges of the lateral edge sections 33 as smoothly as possible into the tread covering 10.
  • gaps in the transition section between the bridging element 22 and the tread surface 10 should be avoided as far as possible.
  • the underside or the lower surface of the bridging element 22 lies predominantly in a cross-sectional view of the sliding device 1, ie more than 80%, above the underside 9 of the running surface covering 10.
  • the underside of the bridging element 22 is entirely above the underside 9 of the running surface covering 10 arranged.
  • the bridging element 22 terminates flush in its lateral edge sections 33, 34 with the sliding surface or underside 9 of the tread covering 10 (FIG. Fig. 5 ).
  • the bridging element 22, which has different processing properties than the tread surface 10 in particular shows a different behavior compared to grinding operations, at least predominantly Fig. 5, 6 - Or arranged entirely at a distance 41 above the sliding surface or bottom 9 of the tread 10, as best of Fig. 7 or off Fig. 8 is apparent.
  • the bridging element 22 is impaired with its elastomeric properties during grinding or other machining operations of the sliding surface of the tread 10 or is also subjected to a grinding process.
  • melting, scoring or other effects on the bridging element 22, in particular with respect to its surface avoided.
  • the bridging element 22 for the slot 14 is prevented from being subjected to a grinding surface treatment during the production of the sliding device 1 or in the course of subsequent servicing operations on the sliding device 1, in particular during surface grinding work.
  • the perpendicular to the tread surface 10 provided distance 41 between the bottom 9 and between the sliding surface of the tread 10 and the lower surface of the bridging element 22 can be accomplished by a blunt connection between the inner side edges of the tread 10 and the outer side edges of the bridging element 22 like this Fig. 7 is apparent.
  • the transition section is preferably provided with a rounding, like this Fig. 7 is apparent. Alternatively, the formation of a chamfer is possible.
  • the bridging element 22 is preferably connected to the tread surface 10 by a plastic weld.
  • the overlapping zones 39, 40 of the bridging element 22 may be integrally received in the sliding board tongues 16, 17, respectively, as shown in FIG Fig. 8 was exemplified.
  • the distance 41 is approximately 0.5 mm to 3 mm.
  • Mutually facing edge sections or transition zones of the tread covering 10 in the direction of the bridging element 22 may also be provided here with a chamfer or a rounding in order to avoid sharp-edged transitions within the tread covering 10.
  • the bridging element 22 and the tread covering 10 may be formed from a one-piece plastic layer or plastic layer which extends seamlessly and without interruption between the two outer edges or control edges 11, 12 of the sliding device 1.
  • a loop-shaped deflection 26 is executed in the central portion of the tread 10, which is preferably formed by a thermal deformation of the tread 10, which consists of a thermoplastic material or parts of a thermoplastic material.
  • a front or first slot 14 and a rear or second slot 14 are embodied.
  • the front slot 14 extends from a front end portion of the binding mounting portion, or from the vicinity of the mounting portion for the binding device 3 toward the front end, in particular through the blade portion of the sliding board body.
  • the rear slot 14 extends from a rear end portion of the binding mounting portion or from the vicinity of the mounting portion for the binding device 3 toward the rear end, in particular to the rearmost end point of the sliding board body.
  • At least the mounting portion for the binding device 3 and optionally subsequent zones are not slotted.
  • the slot 14 in the binding mounting zone may merge into a groove formed in the top 7 of the gliding board body. In plan view of the sliding board body results So a substantially X-shaped structure, as best of all Fig. 2 is apparent.
  • both the front slot 14 and the rear slot 14 of the sliding board body at least one geometry influencing means 19 associated with, as shown in the representations according to the Fig. 1 and 3 is removable. This makes it possible to significantly change or significantly influence the so-called sidecut or the waisting radius and the driving behavior of the sliding board body.
  • the bridging element 22 is preferably designed, in particular so shaped and / or elastic, that it protrudes elastically in terms of its width 37 of at least 10 mm in an end portion closest to the end of the gliding board body. That is, elastic stretching and recovery of the bridging element 22 of 10 mm in its end facing away from the binding mounting portion does not cause damage, particularly tearing, brittleness or overstretching of the bridging element 22.
  • the geometry influencing means 19 associated with the slit end portions of the gliding board body may be configured such that a width 18 of the slit 14 is individually presettable changeable to suit the gliding board body's cornering behavior to the individual desires of the user to a certain extent can.
  • the geometry-influencing means 19 can also be designed such that a variability of the width 18 of the slot 14, which is dependent on the load or deflection of the sliding board body, is effected, as has already been explained above.
  • the geometry influencing means 19 comprises at least one spreading means 20 for individually adjustable and / or load-dependent variation of the width 18 of the slot 14.
  • the spreading means 20 comprises, referring to a plane extending substantially parallel to the tread 10, at least two support or guide surfaces 42, 43 extending obliquely to the longitudinal axis of the sliding board body.
  • these are support or guide surfaces 42 aligned wedge-shaped with each other, wherein the longitudinal center axis of the sliding board body represents a bisecting line.
  • the between two inclined support or guide surfaces 42, 43 included angles from the imaginary longitudinal axis of the Gleitbrett stressess substantially halved, as best of Fig. 3 is apparent.
  • support or guide surfaces 42, 43 are preferably embodied in a plate-like force transmission element 44 and, by virtue of their angular orientation relative to the longitudinal axis of the gliding board body, produce a wedge or spreading action relative to the slotted portion (s) of the gliding board body.
  • a plurality of pairs of support or guide surfaces 42, 43 which are distanced from one another in the longitudinal direction of the sliding board body or force transmission element 44 are formed.
  • This plate-like force transmission element 44 is supported on the upper side 7 of the sliding board body and is held in a relatively movable manner with the sliding board body in at least one of its end sections relative to its upper side 7.
  • the wedge-shaped mutually aligned support or guide surfaces 42, 43 of the force transmission element 44 by obliquely to the longitudinal center axis of the force transmission element 44 extending slots 45, 46 are formed, whose walls form the support or guide surfaces 42, 43.
  • the force transmission element 44 is connected to the sliding board body, in particular supported on the upper side 7 relatively movable, wherein at least one of the ends of the force transmission element 44 remains relatively movable in the longitudinal direction of GleitbrettSystems.
  • the latter is fixedly connected to the upper side 7 of the sliding board body in all directions. This can be implemented, for example, with circular holes and corresponding screwing, as in Fig. 1 has been illustrated schematically.
  • the support or guide surfaces 42, 43 in or on the plate-like force transmission element 44 cooperate with abutment surfaces 47, 48 on the upper side 7 of the sliding board body.
  • the inclined support or guide surfaces 42, 43 of the force transmission element 44 also with the facing inner longitudinal side walls 49, 50 of the slot 14 cooperate, as in Fig. 5 was indicated by dashed lines by way of example.
  • 44 extensions 51, 52 are formed on the underside of the force transmission element, as was indicated by dashed lines.
  • abutment surfaces 47, 48 cooperate in the slot 14 and in the edge portions of the slot 14 and so form the spreading means 20.
  • the abutment surfaces 47, 48 may also be formed by extensions 53, 54 fixedly connected to the upper side 7 of the sliding board body, in particular by screws 55, 56 or by their screw heads.
  • the preferred plate-shaped power transmission element 44 with the support or guide surfaces 42, 43 formed therein or with the obliquely elongated holes 45, 46 formed therein extends according to the embodiment Fig. 1 over more than 50% of the length of the gliding board body.
  • the ends of the plate-like force transmission element 44 overlap with the slots 14 in the sliding board body.
  • the two end portions of the power transmission member 44 cover at least portions of the two slots 14 in the front ends of the sliding board body when the power transmission member 44 rests against the top 7 of the sliding board body, as best shown Fig. 3 is apparent.
  • the distal ends of the force transmission element 44 thus remain relative to the upper side 7 of the sliding board body in the longitudinal direction relatively movable, so that at relative displacements between the force transmission element 44 and the Gleitbrett Sciences a spreading or narrowing of the slot 14 occurs in GleitbrettSh and thus the geometry influencing means 19 is created.
  • the cover layer 8 of the sliding board body is preferably designed as a plastic layer which is decorated on at least one side.
  • This cover layer 8 forms the predominant section of the top 7 of the sliding board body.
  • this cover layer 8 also clad at least partial sections of the mutually facing longitudinal side walls 49, 50 of the slot 14, as best shown in FIGS Fig. 5, 6 is apparent.
  • Fig. 10 is the bottom 9 of the front end portion of a board-like sliding device 1, in particular a ski 2, illustrated.
  • the transverse stiffness of the Gleitbrettgropers reducing slot 14 or incision through all strength-relevant layers of Gleitbrett stressess also extends here from the binding mounting portion or from the middle portion of the sliding board body continuously up to the direction of travel related, foremost end portion of Gleitbrett stressess, ie also within the curved top front shovel.
  • the anterior branch with its longitudinal Slot 14 or incision thus forms at least two sliding board tongues 16, 17 protruding from the binding mounting section.
  • the slot 14 or the corresponding recess is bridged or covered by the elastically stretchable bridging element 22, wherein the bridging element 22 has little or only marginal influence on the rigidity or flexibility of the sliding board tongues 16, 17.
  • the bridging element 22 has a high elastic extensibility.
  • the bridging element 22 preferably has at least one expansion section 25 based at least on shaping, in particular at least one loop-shaped or fold-shaped deflection 26.
  • the molding-based amount of elastic extensibility is significantly reduced as compared with the elastic extensibility of the bridging member 22 in the blade portion.
  • the shaping or profiling of the bridging element 22 continuously decreases starting from the blade section in the direction of the binding mounting section.
  • the at least one transverse profiling of the expansion section 25 in the bridging element 22, starting from the ski tip in the direction of the binding mounting section proceeds completely or at least approximately. That is, the at least one loop-shaped deflection 26 preferably continuously decreases in height or loop width starting from the ski tip in the direction of the binding mounting portion.
  • a profiling height of the bridging member 22 progressively decreases from the extreme end of the gliding board body toward the binding mounting portion.
  • the bridging element 22 In the vicinity of the rear end of the slot 14, the bridging element 22 is then in the form of a plate or flat or largely flat in its cross section. This flattening or reduction of the profiling height of the bridging element 22 is also from a synopsis of Fig. 5, 6 combined with Fig. 3 exemplified.
  • the bridging element 22 In the end section facing the binding mounting section, the bridging element 22 preferably merges into the tread covering 10 in a planar manner and flush. That is, that the rear end portion of the bridging element 22 for the front slot 14 in the sliding board body at least approximately flat and steplessly connected to the tread surface 10 and thus in this rear end section is quasi a continued running or sliding surface.
  • the at least one recess 28 in the bridging member 22 gradually extends from the front blade portion toward the binding mounting portion.
  • the recess 28 in the rear, the binding mounting portion nearest the end portion of the bridging element 22 completely flattened or disappears, with a gradual, flush leaking transition between the recess 28 and the bottom 9 and the sliding surface of the Gleitbrett stressess is executed, as with the expiring, central lines in Fig. 10 was illustrated.
  • a particular advantage of the embodiment according to Fig. 10 is that an accumulation or accumulation of snow in the slot 14 and in the recess 28 is avoided and the sliding board body despite the formation of a longitudinal slot 14 or incision in front of the binding mounting portion - referring to the sliding or advancing direction of the Gliding board body - the best possible sliding behavior, in particular has the lowest possible sliding resistance.
  • the bridging element 22 is profiled more strongly in the region of the blade section of the gliding board body or forms at least one depression 28, a sufficiently large broadening or narrowing of the blade section is also made possible.
  • the at least one recess 28 in the expansion section 25 of the elastic bridging element 22 allows improved guidance of Gleitbrett stressess on relatively soft ground, especially on snow, after the recess 28 may serve as a guide groove in such cases, whereby the tracking or lane maintenance of the Gliding board body can be improved.
  • Fig. 11 is a sequence section of the advantageous manufacturing method for the multilayer gliding board body, in particular for the board-like gliding device 1, schematically illustrated in the shape of a ski 2 or snowboards.
  • individual layers or layers are joined together in a hot pressing process, in particular using a heating press 57 with at least two press molds 58, 59, in order to form the multilayer gliding board body.
  • the manufacturing method of this sandwich-type sliding board body comprises at least the following steps:
  • at least one layer for forming the strength-relevant upper belt 4 said upper belt 4 made of metallic materials and / or plastic and / or initially flowable or pasty and subsequently curing materials such.
  • the core 6 of the later sliding board body is formed of a so-called prepreg; at least one component forming the core 6 of the later sliding board body and / or a time-hardening plastic foam, in particular PU foam, forming the core 6; at least one layer forming the strength-relevant lower flange 5 of the later sliding board body; at least one running surface covering 10 forming the lower side 9 of the sliding board body and at least one adhesive layer or adhesive in the form of a hot-melt adhesive, epoxy resin or PU foam, these flowable fillers or adhesives for the sliding board body being injected or injected only when the heating press 57 is closed accordingly.
  • At least one slot 14 is cut out or punched out approximately in the middle section of the tread covering 10.
  • the slot 14 or recess in the tread covering 10 extends substantially parallel to the longitudinal axis of the tread surface 10.
  • Such a slot 14 is also provided in the other components of the slider, in particular a substantially congruent positioned slot 14 in the layers for the cover layer. 8 , the Lower chord 5, the upper chord 4 and / or formed in the core member of the sliding board body.
  • top layer 8 the layer for forming the upper flange 4, the core 6, and the layer for forming the lower flange 5 slotted before introduction into the heating press 57 in at least one end portion in its longitudinal direction such that already during the hot pressing process in which the layers introduced into the heating press 57 are adhesively bonded, the sliding board body slotted in its longitudinal direction is produced.
  • the corresponding shape of the sliding board body is determined by the contours of the mold cavity of the heating press 57 and by the expanding adhesive or foam layers. A subsequent, machining a gliding board body to create the elongated incision is therefore not required by the manufacturing method according to the invention.
  • an elastically extensible or expandable bridging element 22 is arranged whose dimensions are equal to, larger or slightly smaller than the cut-out slot 14 in the tread 10.
  • This bridging element 22 is used as an independent component provided and preferably made as an injection molded part. It is essential that the elastically stretchable bridging element 22 covers the cut-out or punched-out part, in particular the slot 14, in the tread covering 10 over the whole area or bridges it gap-free.
  • the hot pressing process known per se is activated in order to bond the layers inserted in the heating press 57 adhesively to the multilayer gliding board body.
  • the bridging element 22 is adhesively connected in its edge portions 33, 34 with the sliding board body, in particular with its sliding board tongues 16, 17, so that the slot 14 in the strength-relevant layers of the gliding board body thus produced and the substantially congruent slot 14 in Tread covering 10 of GleitbrcttSystems elastically stretchable and recoverable bridged.
  • thermoplastic cover layer 8 is at least partially forced into the slot 14 of the sliding board body by means of the die 58, so that a liquid- or adhesive-tight lining for the longitudinal side walls 49, 50 of the slot 14 is formed.
  • the cover layer 8 in the region of the longitudinal side walls 49, 50 prevents a passage or escape of flowing or pasty adhesive or PU foam from the two sliding board tongues 16, 17 during the ongoing hot pressing process.
  • connection of the individual layers of the sliding board body takes place namely via inserted hot melt adhesive layers and / or by means of injected into the mold cavity of the heating press 57 foamed plastics, in particular by PU foams which cure under time and temperature.
  • a pressure or pressing force is exerted on the surface of the elastically extensible and recoverable bridging element 22
  • Pressing force is preferably exerted by at least one of the dies 5 8, 59 or by at least one pressure body arranged in or on the dies 58, 59.
  • This pressure or pressing force relative to the surface of the elastically extensible and recoverable bridging element 22 serves to ensure the tightness between the two cavities for the formation of the two sliding board tongues 16, 17 and an exit of adhesive, starting from the mold interior in the direction of Slot 14 or toward the top of the bridging element 22 to prevent. This achieves the most cost-effective and stable production method with which high-quality gliding board bodies can be produced, which are already slotted in the longitudinal direction during the step of adhesive bonding of the individual layers of the gliding board body.
  • a sealing edge 60 is executed in those sections of the mold 58, with which the shape or contour is defined for the slot 14 in the sliding board body.
  • a sealing edge 60 is executed in those sections of the mold 58, with which the shape or contour is defined for the slot 14 in the sliding board body.
  • at least one web-like sealing lip 61 is formed in the edge portions of the die 58 closest to the slot 14.
  • This tightness edge 60 or the corresponding Sealing lip 61 is thereby pressed sealingly into the surface of the elastic bridging element 22 during closed and active heating press 57 and thus prevents the escape of flowable or pasty adhesive from the two sliding board tongues 16, 17 in the direction of the slot 14 or in the direction of the hot pressing process
  • thereby a leakage of adhesive from the sliding board tongues 16, 17 is prevented in a simple and reliable manner and thus remain the surfaces of the elastically stretchable bridging element 22 free from contamination with adhesive or PU foam.
  • the inner or pressing surface of at least one mold 58, 59 is designed with respect to their contour or profiling such that the bridging element 22 after the separate or after the joint insertion together with the tread 10 in the press 57 of at least one of the dies 58, 59 is supported and / or is positioned by the contour or profiling of at least one of the dies 58, 59 relative to the mold interior properly or accurately.
  • an exact positioning for the bridging element 22 and / or for the tread surface 10 is achieved relative to the mold cavity and an unwanted slippage of the bridging element 22 and / or the tread 10 held back.

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Claims (35)

  1. Ski ou snowboard conçu comme un dispositif de glisse en forme de planche (1) comprenant un corps de planche de glisse multicouches et monobloc, constitué au moins des éléments suivants :
    au moins une semelle supérieure importante pour la solidité (4),
    au moins une semelle inférieure importante pour la solidité (5),
    au moins un noyau (6) disposé entre elles,
    au moins une couche de recouvrement (8) constituant le côté supérieur (7) du corps de planche de glisse et au moins un revêtement de surface de glisse (10) constituant le côté inférieur (9) du corps de planche de glisse,
    au moins une fente (14) étant réalisée au moins dans la partie d'extrémité avant par rapport au sens du déplacement du corps de planche de glisse, dans sa partie centrale relativement à la largeur (13) du corps de planche de glisse, cette fente s'étendant dans le sens de la profondeur (flèche 15) à partir du côté supérieur (7) du corps de planche de glisse en direction du revêtement de la surface de glisse (10) et, relativement à sa direction longitudinale, dans la partie entre un dispositif de fixation (3) pour une liaison avec le pied de l'utilisateur et l'extrémité avant du corps de planche de glisse, et est globalement parallèle à la direction longitudinale du corps de planche de glisse et est conçue pour causer un affaiblissement de section et de réduire la rigidité du corps de planche de glisse transversalement par rapport à sa direction longitudinale,
    et au moins un élément d'influence de la géométrie (19) pour un ajustement en fonction de la sollicitation et/ou manuel de la taille du corps de planche de glisse, cet élément d'influence de la géométrie (19) comprenant au moins un élément d'écartement (20) pour l'augmentation réglable individuellement de la largeur (18) de la fente (14) et/ou au moins un élément d'écartement (20) permettant de faire varier la largeur (18) de la fente (14) en fonction de la flèche du corps de planche de glisse,
    caractérisé en ce que la fente (14) s'étend à travers le revêtement de la surface de glisse (10) et est recouverte par un élément de pontage (22), cet élément de pontage (22) pouvant être dilaté ou élargi de manière élastique au moins transversalement par rapport à l'extension longitudinale de la fente (14), et en ce que des bordures latérales (33, 34) de l'élément de pontage (22) sont raccordées au revêtement de la surface de glisse (10) ou en ce que la fente (14) s'étend jusqu'au côté supérieur du revêtement de la surface de glisse (10), le revêtement de la surface de glisse (10) constituant l'élément de pontage (22), et en ce que l'élément de pontage (22) est conçu de façon à ce qu'il empêche la pénétration de neige à l'intérieur de la fente (14) à partir du revêtement de la surface de glisse (10) en direction du côté supérieur (7) du corps de planche de glisse.
  2. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'élément de pontage (22) comprend au moins une partie de dilatation (25) pouvant être dilatée et rappelée de manière élastique.
  3. Ski ou snowboard selon la revendication 1 ou 2, caractérisé en ce que l'élément de pontage (22) comprend au moins une partie de dilatation (25) dont la forme de la section est variable de manière réversible.
  4. Ski ou snowboard selon la revendication 2 ou 3, caractérisé en ce que la partie de dilatation (25) est constituée d'au moins une déviation en forme de boucle (26) ou d'une déformation de la forme de la section de l'élément de pontage (22).
  5. Ski ou snowboard selon la revendication 4, caractérisé en ce qu'une ligne de faîte (27) de la déviation (26) ou une déformation de l'élément de pontage (22) se trouve au-dessus d'une surface du revêtement de la surface de glisse (10).
  6. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'élément de pontage (22) forme, dans la surface du revêtement de la surface de glisse (10), au moins une cavité (28) globalement parallèle à l'axe longitudinal central du corps de planche de glisse.
  7. Ski ou snowboard selon la revendication 4, caractérisé en ce que l'élément de pontage (22) comprend deux déviations (26) s'étendant dans la direction longitudinale du corps de planche de glisse, orientées vers le haut avec la forme d'une coupole lorsqu'ils sont vus en section transversale.
  8. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'élément de pontage (22) comprend une toile en matières textiles ou est constitué d'une couche de matière plastique (23) dont l'épaisseur (29) correspond approximativement à une épaisseur (30) du revêtement de la surface de glisse (10).
  9. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'élément de pontage (22) présente une épaisseur (29) de 0,1 mm à 2 mm, plus particulièrement une épaisseur (29) d'environ 1 mm.
  10. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'élément de pontage (22) est conçu comme un élément de construction indépendant pour le corps de planche de glisse et est relié par liaison de force, au niveau de ses bordures latérales (33, 34), qui s'étendent globalement parallèlement aux arêtes de limitation (31, 32) de la fente (14), avec les languettes de planche de glisse (16, 17) s'étendant des deux côtés de l'axe longitudinal de la fente (14), plus particulièrement collé ou soudé de manière thermoplastique.
  11. Ski ou snowboard selon la revendication 1, caractérisé en ce qu'une largeur (37) de l'élément de pontage (22) est supérieure à une ouverture libre (38) de la fente (14) à ponter.
  12. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'élément de pontage (22) forme, au niveau de ses bordures latérales (33, 34) avec son côté inférieur, une transition progressive et/ou sans interstice vers le revêtement de surface de glisse (10).
  13. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'élément de pontage (22) et le revêtement de la surface de glisse (10) est constitué d'une couche de matière plastique monobloc qui s'étend sans cordon de soudure et sans interruption entre les deux arêtes externes ou arêtes de commande (11, 12) du corps de planche de glisse.
  14. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'élément de pontage (22) est conçu de façon à ce qu'il résiste sans dommages à une dilatation élastique jusqu'à 10 mm sur sa largeur (37) dans la partie d'extrémité du corps de planche de glisse.
  15. Ski ou snowboard selon la revendication 1, caractérisé en ce que la fente (14) divise ou sépare la semelle supérieure importante pour la solidité (4) ainsi que la semelle inférieure importante pour la solidité (5) globalement sur l'extension longitudinale de la fente (14) en un premier et en un deuxième brin de semelle supérieure (4a, 4b) ainsi qu'en un premier et en un deuxième brin de semelle inférieure (5a, 5b).
  16. Ski ou snowboard selon la revendication 1, caractérisé en ce que la fente (14) ou plusieurs fentes (14) successives dans la direction longitudinale du corps de planche de glisse s'étend/s'étendent sur 40% à 80%, de préférence sur environ 60% de la longueur du corps de planche de glisse.
  17. Ski ou snowboard selon la revendication 1, caractérisé en ce que la fente (14) s'étend sur 50% à 95%, de préférence sur environ 80% de la partie longitudinale avant entre un dispositif de fixation (3) et l'extrémité avant du corps de planche de glisse.
  18. Ski ou snowboard selon la revendication 1, caractérisé en ce que la fente (14) s'étend également sur la partie avant en forme de pelle incurvée vers l'avant et traverse entièrement ses couches importantes pour la rigidité transversale.
  19. Ski ou snowboard selon la revendication 1, caractérisé en ce qu'une première fente (14) s'étend d'une partie d'extrémité avant d'une partie de montage pour un dispositif de fixation (3) en direction de la partie en forme de pelle du corps de planche de glisse et une deuxième fente (14) s'étend d'une partie d'extrémité arrière d'une partie de montage pour un dispositif de fixation (3) en direction de l'extrémité arrière du corps de planche de glisse.
  20. Ski ou snowboard selon la revendication 1, caractérisé en ce que moyen d'influence de la géométrie (19) est conçu de façon à ce qu'une largeur (18) de la fente (14) est préréglable individuellement.
  21. Ski ou snowboard selon la revendication 1, caractérisé en ce que le moyen d'influence de la géométrie (19) est conçu afin de permettre une variabilité de la largeur (18) de la fente (14) en fonction de la sollicitation ou de la flèche du corps de planche de glisse.
  22. Ski ou snowboard selon la revendication 1, caractérisé en ce que le moyen d'écartement (20) comprend, en référence à un plan s'étendant globalement parallèlement au revêtement de surface de glisse (10), au moins deux surfaces d'appui ou de guidage (42, 43) inclinées par rapport à l'axe longitudinal du corps de planche de glisse, qui interagissent avec des surfaces de butée (47, 48) sur le côté supérieur (7) du corps de planche de glisse ou avec des parois latérales longitudinales (49, 50) de la fente (14).
  23. Ski ou snowboard selon la revendication 22, caractérisé en ce que les surfaces de butée (47, 48) sont réalisées sur des prolongements (53, 54) reliés au corps de planche de glisse, comme des vis (55, 56) ou des têtes de vis.
  24. Ski ou snowboard selon la revendication 1, caractérisé en ce que la couche de recouvrement (8) est conçue comme une couche de matière plastique et recouvre la majeure partie du côté supérieur (7) ainsi que des parois latérales longitudinales (49, 50), orientées l'une vers l'autre, de la fente (14).
  25. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'au moins une fente (14) présente globalement, en vue de dessus du côté supérieur (7) du corps de planche de glisse, une forme de V ou de queue d'aronde, la largeur la plus importante de la fente (14) se trouvant sur la partie d'extrémité orientée du côté opposé à la partie de montage de la fixation.
  26. Ski ou snowboard selon la revendication 1, caractérisé en ce que l'au moins une fente (14) présente, en vue de dessus du côté supérieur (7) du corps de planche de glisse, une longueur de 20 cm à 100 cm et une largeur (18) ou une ouverture libre (38) de la fente (14) dans sa partie longitudinale centrale de 10 mm à 20 mm.
  27. Ski ou snowboard selon la revendication 1, caractérisé en ce que des bordures latérales (33, 34) permettant de relier l'élément de pontage (22) aux parois latérales (49, 50), orientées l'une vers l'autre, de la fente (14), sont positionnées relativement plus près du revêtement de la surface de glisse (10) que du côté supérieur (7) du corps de planche de glisse.
  28. Ski ou snowboard selon la revendication 1, caractérisé en ce qu'une hauteur de profil de l'élément de pontage (22) diminue progressivement à partir d'une extrémité extérieure du corps de planche de glisse en direction de la partie de montage de la fixation.
  29. Procédé de fabrication d'un ski (2) ou d'un snowboard selon la revendication 1, comprenant au moins les étapes suivantes :
    - application d'au moins les couches ou matières suivantes dans une presse chauffante (57) comprenant au moins deux matrices de pressage (58, 59) :
    (i) au moins la couche de recouvrement (8) constituant le côté supérieur (7) du corps de planche de glisse,
    (ii) au moins une couche pour la formation d'une semelle supérieure (4) importante pour la solidité,
    (iii) au moins une mousse de matière plastique durcissante constituant le noyau (6) du corps de planche de glisse et/ou au moins un composant de noyau préfabriqué ;
    (iv) au moins une couche pour la formation d'une semelle inférieure (5) importante pour la solidité,
    (v) au moins le revêtement de surface de glisse (10) constituant le côté inférieur (9) du corps de planche de glisse,
    (vi) au moins une couche adhésive sous la forme d'un adhésif thermofusible et/ou d'une mousse de polyuréthane ;
    - activation du procédé de pressage à chaud à l'aide de la presse chauffante (57) afin de relier de manière adhésive les couches insérées dans la presse chauffante (57) en un corps de planche de glisse multicouche,
    la couche de recouvrement (8), la couche de formation de la semelle supérieure (4), le noyau (6) ainsi que la couche de formation de la semelle inférieure (5) étant fendues avant l'introduction dans la presse chauffante (57) sur au moins une partie d'extrémité dans sa direction longitudinale, de façon à ce que, pendant le processus de pressage à chaud, dans lequel les couches insérées dans la presse chauffante (57) sont reliées de manière adhésive entre elles, le corps de planche de glisse muni de l'au moins une fente (14) dans sa direction longitudinale soit produite et
    le dispositif de glisse en forme de planche (1) étant muni, après le processus de pressage à chaud, de l'au moins un élément d'influence de la géométrie (19),
    caractérisé en ce que le revêtement de la surface de glisse (10) est préparé avant l'introduction dans la presse chauffante (57) de la manière suivante :
    - découpe de l'au moins une fente (14) qui, par rapport à la largeur (13) du revêtement de la surface de glisse (10), est positionné dans la partie centrale du revêtement de la surface de glisse (10) et s'étend dans la direction longitudinale du revêtement de la surface de glisse (10) ;
    - réalisation de l'élément de pontage (22) pouvant être dilaté ou élargi de manière élastique au moins transversalement par rapport à l'extension longitudinale de la fente (14), avec des dimensions qui sont égales, supérieures ou un peu inférieures à la fente (14) découpée dans le revêtement de la surface de glisse (10) ;
    - disposition de l'élément de pontage (22) pouvant être dilaté ou élargi de manière élastique dans la fente (14) ou au-dessus de la fente (14) du revêtement de la surface de glisse (10).
  30. Procédé selon la revendication 29, caractérisé en ce que la surface interne d'au moins une matrice de pressage (58, 59) est conçue, en ce qui concerne son contour ou son profil, de façon à ce que de l'élément de pontage (22) soit soutenue, après l'introduction dans la presse chauffante (57), par au moins une des matrices de pressage (58, 59) et/ou, grâce au contour ou au profil, au moins une des matrices de pressage (58, 59) est positionnée correctement ou de manière précise par rapport à l'intérieur de la matrice.
  31. Procédé selon la revendication 29, caractérisé en ce que, pendant le processus de pressage à chaud, pour la liaison adhésive des couches insérées dans la presse chauffante (57), l'élément de pontage (22) est également lié de manière adhésive, dans ses bordures (33, 34), avec le corps de planche de glisse et la fente (14) est recouverte de manière étirable et rappelable élastiquement.
  32. Procédé selon la revendication 29, caractérisé en ce que, lors de la fermeture de la presse chauffante (57), une force de pressage est exercée sur la surface de l'élément de pontage (22) étirable et rappelable élastiquement, qui agit à partir d'au moins une des matrices de pressage (58, 59) de la presse chauffante (57), afin de garantir l'étanchéité de l'espace creux de la presse chauffante (57) et d'empêcher la pénétration d'adhésif, à partir de l'espace creux de la matrice vers la fente (14) ou vers le côté supérieur de l'élément de pontage (22).
  33. Procédé selon la revendication 29, caractérisé en ce qu'une bordure d'étanchéité (60) est pressée de manière étanche dans la surface de l'élément de pontage (22) élastique, contre au moins une des matrices de pressage (58, 59), plus particulièrement une lèvre d'étanchéité (61) ayant la forme d'un épaulement, lorsque la presse chauffante (57) est fermée et active.
  34. Procédé selon la revendication 29, caractérisé en ce qu'une partie de transition entre l'élément de pontage (22) et les parois latérales longitudinales (49, 50) de la fente (14) est réalisée sans retouche après le retrait du corps de planche de glisse multicouche de la presse chauffante (57) et plus particulièrement des opérations de fraisage ou de ponçage ne sont pas nécessaires dans la partie de transition entre l'élément de pontage (22) étirable élastiquement et les parois latérales longitudinales (49, 50) de la fente (14).
  35. Procédé selon la revendication 29, caractérisé en ce que la couche de recouvrement (8) est fendue dans sa direction longitudinale avant l'introduction dans la presse chauffante (57) sur au moins la partie d'extrémité, de façon à ce que la couche de recouvrement (8) recouvre au moins des parties des parois latérales longitudinales (49, 50) de la fente (14) pendant le processus de pressage à chaud.
EP08001386.5A 2007-02-02 2008-01-25 Ski ou snow-board doté d'un moyen d'influence de sa géométrie et son procédé de fabrication Not-in-force EP1952854B1 (fr)

Applications Claiming Priority (1)

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AT0017307A AT504801B1 (de) 2007-02-02 2007-02-02 Schi oder snowboard mit einem mittel zur beeinflussung dessen geometrie sowie verfahren zu dessen herstellung

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EP1952854A1 EP1952854A1 (fr) 2008-08-06
EP1952854B1 true EP1952854B1 (fr) 2013-05-15

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WO2014056066A1 (fr) 2012-10-12 2014-04-17 Cetatek Holdings Inc. Système de semelle de botte et ailette pour celui-ci
EP2555834A4 (fr) 2010-04-08 2013-09-04 Cetatek Holdings Inc Palmes, bottes, systèmes comprenant ces dernières, et leurs procédés d'utilisation
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US7900950B2 (en) 2011-03-08
JP2008188431A (ja) 2008-08-21
US20080185816A1 (en) 2008-08-07
AT504801A1 (de) 2008-08-15
AT504801B1 (de) 2009-05-15
EP1952854A1 (fr) 2008-08-06

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