Abstract: The invention relates to a core assembly for a gliding board such as a ski or a snowboard. The core assembly includes a plurality of horizontal layers that are sized to various desired lengths, positioned to achieve a desired thickness profile, and laminated. The invention also relates to a method of making a core assembly for a gliding board.

Abstract: A snow gliding board comprises an upper protective layer (5) and an internal mechanical structuring beam (21). The upper protective layer (5) partially covers the internal beam (21), without significantly influencing the mechanical behavior defined by this internal beam (21), and comprises a visible skin (7), and a 3D visible decorative element (6) which projects above this skin (7) while being fixed in a cutout (8) perforated in the visible skin.

Abstract: The invention relates to a sliding board, especially a ski, comprising a treadsole, an upper surface, a lower rib and a core, and at least one element which comprises especially at least one rail-type guiding element, is connected to the body of the sliding board by means of at least one anchoring element, and is used to arrange and guide at least one binding element on the upper side of the sliding board. In order to avoid subsequently fixing guiding elements to the finished ski, the at least one anchoring element (9, 9?, 9?, 19) is integrated into the core (5, 5?) during the expansion thereof and is held by the hardened foam material.

Abstract: The invention relates to a sliding board, in particular a ski or snowboard, with at least one interface element connected to the sliding board body, in particular a rail or guide element for the arrangement of binding elements on the upper side of the sliding board. A cradle or cassette (7) is integrated in the body of the sliding board, to which interface element(s) (5, 5?) is(are) fixed, whereby the cradle or cassette (7) and preferably also the interface element(s) (3, 3?) is(are) connected to further sliding board components with foam or preferably with a foamed core (6).

Abstract: A board (1) for gliding, in particular on snow, having a protective upper layer (3) covering the internal structure of the board, including the core (5) and any reinforcements (10), wherein: it has a metal plate (2) arranged between the protective upper layer (3) and the internal structure of the board, said plate (2) is located level with a transparent region (4) of the protective upper layer (3), said plate (2) has at least one recess (12) formed on its upper face, inside which the material of the protective upper layer (3) penetrates.

Abstract: The present invention relates to lightweight ski systems. One embodiment of the present invention relates to a lightweight ski stability system for improving performance while maintaining lightweight characteristics. The ski stability system includes a ski and one or more weighted members. One weighted member is positioned on the upper surface of the ski within 10 centimeters of the tip contact point. A second optional weighted member is positioned on the upper surface of the ski within 10 centimeters of the tail contact point. The contact points refer to a lengthwise position before the tip or tail laterally curve upward. The weighted members weigh at least 3% of the ski weight. The disposition of these weighted members at one or both of the contact points increases the rotational inertia characteristics of the lightweight ski while minimizing the resulting weight. A second embodiment of the present invention relates to a method of increasing the rotational inertia of a lightweight ski.

Abstract: The invention is directed to a sports board (15). In the preferred embodiment, the board comprises an expanded polymer foam core (16), an extruded thermoplastic polymer outer layer (20) having an inner surface (21) and an outer surface (22), an expanded polymer foam intermediate layer (19) between the core and the outer layer which is laminated to the inner surface of the outer layer, the outer surface of the outer layer being substantially planar and having at least one series (23) of longitudinally extending, parallel and alternating grooves (26) and ridges (27), the series having a width (28) and the grooves and ridges spaced across the width so as to provide from about ten to about eighty grooves per inch of the width. The grooves may be spaced so as to provide about forty-five grooves per inch of the width. The grooves may have a depth (33) of from about 0.05 mm to about 1 mm. The depth may be about 0.4 mm.

Abstract: The invention relates to a snow gliding board (1) having a sidecut (2) that widens from the middle area (3) of the board towards at least one of its ends to a point of maximum width (4) and of which the structure includes a reinforcing fiber mat (10) comprising yarns (11) that extend in the longitudinal direction of the board. It is characterised in that the number of yarns (11) per unit of length, measured across the board, varies from the middle area (3) towards the point of maximum width (4) of the board.

Abstract: Ski or similar device for sliding on snow having a mounting plate (12) for a binding or for parts thereof, such as a binding plate and/or heel plate, which mounting plate is mounted on, especially bonded or welded to, the top face of the ski, wherein the mounting plate (12) is of foil-like form and is bondable or weldable onto the top face of the ski in such a manner that it effectively defines a structural unit therewith.

Abstract: A snow gliding board (1) comprises, in particular, an upper surface consisting of an upper decorative and protective element (16) having a recess in which an insert (21, 22, 23) is fitted. The insert (21, 22, 23) comprises at least one first part made of an elastomer material (24) juxtaposed on the upper surface with at least one second part made of a metallic material (26).

Abstract: The invention concerns a multilayer film (15) for the construction of skis, a ski (1) having said multilayer film (15) and processes for the production of the multilayer film and the ski. The multilayer film (15) has a multilayer transfer or laminating film comprising two or more thin layers. A mechanically load-bearing layer with preferably a high modulus of elasticity is arranged on a surface of the multilayer transfer or laminating film. A cover layer is arranged on another surface of the multilayer transfer or laminating film. The multilayer film formed in that way is now applied to a base body of the ski (1).

Abstract: A crosscountry ski (1), the lower face (3) of which is curved to form a wax zone (2) positioned substantially in the region lying below the user's boot, wherein its upper face (11) has at least one recess (10), and wherein each recess (10) holds a rigid longitudinal bar (12, 13) extending from the rear of the wax zone (2) to the front of said zone, with one of the ends (17) of each bar (12, 13) abutting (4) on an element (16) which is fixed relative to the ski, while complementary means (20) interacting with the other end (18) of each bar (12, 13) are provided in order to adjustably compress said bar (12, 13).

Abstract: The invention relates to a sliding board, in particular a ski (1), with a running surface (2), steel edges(3), an upper shell (5), a core (6), and also with at least one interface element connected to the sliding board body by means of at least two anchoring elements (11), for example a guide element profiled in rail-like fashion, for arranging a binding element on the upper side of the sliding board, the anchoring elements (11) comprising anchoring parts (12, 12?, 12?, 12??) which have been foamed in during manufacture of the sliding board. In order to improve the integration of the anchoring elements (11) retained in the core (6) by hardening foam, the anchoring parts (12, 12?, 12?, 12??) of the anchoring elements (11), which parts are retained in the foam, comprise portions or elements through which and/or, in relation to the upper side of the sliding board, over which the still liquid foam has flowed.

Abstract: The invention relates to a method for producing a board-like gliding device (1), in connection with which strength-related and decorative layers (2, 3, 4) are joined together to form a one-piece composite body (6) in a hot compression molding cycle by means of a heated-platen compression molding device (5), whereby a cover layer (10) and/or a coating (11) of the gliding surface are selected from at least partly transparent plastic material, and the side (15) of the cover layer (10) and/or coating (11) of the gliding surface facing the core (9) of the composite body (6), is joined by means of a transparent adhesive layer (17) with a background layer (16) forming the visual background of the cover layer (10) and/or coating (11) of the gliding surface.

Abstract: A board for gliding over snow, more particularly for children, includes a structure made of just one homogeneous material of an injected thermoplastic polymer, two metal side edges with wings, bordering the bottom surface forming the gliding surface. The structure includes a top surface and a bottom surface forming a gliding surface, and defines a hollow volume. The wings of the metal side edges are embedded in the homogeneous material of an injected thermoplastic polymer material of the structure.

Abstract: A hybrid skateboard deck combines at least one layer of bamboo with one or more layers of any suitable wood to form a multi-ply deck. A hybrid skateboard deck combines at least one layer of bamboo sandwiched between at least two layers of conventional hardwood such as maple. The addition of a bamboo layer in the core of the laminated deck provides superior strength relative to conventional plywood decks. The bamboo core laminate also provides superior feedback to a rider as well as uniform stiffness.

Abstract: A gliding or rolling board having, in height, a first reinforcement and a second reinforcement between which a first core is arranged. Along at least a portion of the periphery of the board, a band having a shock-absorbing material is juxtaposed to a reinforcement.

Abstract: A method of manufacturing a ski in which bonding portions join non-metal side members (20) and a metal sheet (18) to form a cap preform section. The cap preform section is pressed downward against the top surface of a core (14) and heat is applied to bond the cap preform section to the core (14). The bonding portions include bonding strips (22) formed of a thermoplastic material that becomes adhesive when subjected to pressure and heat at a sufficiently high temperature.

Abstract: The gliding properties of running surfaces for winter sports apparatus, e.g. skis and snowboards are improved by a mineral addition chosen from the sodalite group and tsaregorodtsevite-wadalite series or a mixture thereof. An ultramarine is especially preferred as the mineral additive. Gliding properties are similar to or improved in comparison to those obtainable with the addition of soot, carbon black or graphite. The mineral addition according to the invention can however be combined with the addition of soot, carbon black or graphite. The invention also opens up new possibilities in the coloration of running surfaces.

Abstract: The present invention generally relates to boards for performing skiing such as downhill skis, cross-country skis, snowboards and the like, to a method of stiffening such boards, and a method of manufacturing such boards. More specifically, the present invention relates to a downhill ski comprising electronics for establishing optimal handling and performance characteristics. The board for performing skiing sports of the present invention generally comprises a longitudinally extending body having a longitudinal axis, at least one transducer laminated to the body and converting upon deformation of the body mechanical power to electrical power, and an electrical circuit connected across the transducer.

Abstract: A light-weight construction core made of wood for sliding bodies, e.g., skis, in particular cross-country skis, having grooves or slits (3), respectively, arranged in longitudinal rows, which grooves or slits extend in the longitudinal direction of the ski and are offset row-wise relative to each other, wherein the grooves or slits (3), respectively, preferably in the binding region are formed to be open towards the running surface only and—viewed in longitudinal section—are designed to be circular-arc-shaped or elongate having rounded corners.

Abstract: A ski having a central core, a lower reinforcement sub-assembly located beneath the core and resting on a gliding sole that is edged with two lateral running edges, and an upper reinforcement sub-assembly located above the core, and coated with a decoration layer, each of the reinforcement sub-assemblies having one or more layers, at least one of the upper reinforcement layers having a central portion, and at least one lateral portion. At least one of the reinforcement layers of the upper reinforcement sub-assembly has an asymmetrical structure in the area of its lateral portions, along at least a portion of its length. The invention also relates to a pair of skis, in which each of the skis is symmetrical to the other in mirror symmetry.

Abstract: A ski having a sandwich-like construction including rods and slit stops for changing a radial geometry of the ski. When the ski flexes, the rods and the ski change their respective radii differentially, causing changes in the slit stops. In turn, the slit stops spread or constrict to change maneuvering characteristics of the ski.

Abstract: The invention relates to a board-type runner device (1), in particular a ski (2) or a snowboard, comprising several layers disposed between a running surface facing (4) and a top layer (6) and a core component (15). At least a bottom face (19) of the core component (15) adjoins a layer (20) that is elastically flexible and rebounds when forces are applied to it. The core component (15), which is mounted on the elastic layer (20) so as to be flexible at least in the direction perpendicular to a running surface (3) of the runner device (1), has compression-resistant projections (21) formed on its top face (23) or separate compression-resistant spacing elements (22) are supported directly on its top face (23).

Abstract: A gliding board, including: an injected polyurethane foam core; lateral reinforcing elements, which form some or all of the edges of the board; at least one internal reinforcement, which is in the form of a solid layer; and two outer layers, of which the lower layer forms the gliding surface and the upper layer forms the protective layer. The internal reinforcement rests on recesses which are provided for this purpose in each of the lateral reinforcing elements. The internal reinforcement has notches on its side profiles so that, level with the notches, the injected core passes through it in order to at least partially occupy the volume defined between the internal reinforcement and at least one of the two outer layers.

Abstract: The invention relates to a board-type runner device (1), in particular a ski (2) or a snowboard, comprising several layers disposed between a running surface lining (25) and a top layer (24), with a top belt (31) lying closest to the top layer (24) and/or a bottom belt (32) lying closest to the running surface lining (25) of a highly tensile material. In conjunction with a core disposed between the layers, these layers form a multi-layered element and at least one profiled section (12, 13) is provided in the core. At least a part-region of the outer surface of the profiled section (12, 13) is embedded or inlaid in a layer (44, 45) of an elastic synthetic material, preferably a layer (44, 45) of expanded synthetic material above the profiled section (12, 13) that is flexible and elastically resilient under the action of forces.

Abstract: Gliding board devices and methods of making gliding board devices wherein at least a portion of the device is formed of a bulk amorphous alloy material are provided. The gliding board device including an upper reinforcing element that covers at least the upper surface of the device; a lower reinforcing element; a sliding element; a pair of running edges; and a core of filler material disposed between the upper and lower elements, wherein at least one of the upper reinforcing element, lower reinforcing element and pair of running edges are formed from an amorphous alloy.

Abstract: A raising platform for a binding for a board for gliding over snow, including a planar central zone capable of receiving the front stop and the heel piece of the binding, and two lateral portions of which the lower edge is intended for interacting with the board for gliding, wherein the lower edge of the lateral portions has, in a longitudinal plane, a certain gradient relative to the plane of the central zone.

Abstract: A snow gliding board (1) comprises, in particular, an outer face (6) formed by a decorative and protective upper assembly, said decorative and protective upper assembly being covered with at least one varnish film on at least its outer surface (6).

Abstract: A gliding or rolling board having, in height, a first reinforcement and a second reinforcement between which a first core is arranged. Along at least a portion of the periphery of the board, a band having a shock-absorbing material is juxtaposed to a reinforcement.

Abstract: A gliding board in the form of a longitudinal beam having a laminated structure that includes a bottom surface layer, possibly borders by lateral running edges, reinforcing layers, a decorating layer, and a central core, the board being equipped with a data exchange label. The data exchange label is positioned at a distance greater than or equal to 2 millimeters from any metallic mass of the stack.

Abstract: Board for gliding over snow (1) comprising a gliding sole plate (2) bordered by metal side edges (3), an upper protective and decorative layer (4), and a filler core (6), including, on at least one of its faces, the lower face and/or the upper face, at least one internal rigid reinforcement (5), wherein this internal rigid reinforcement has at least one laterally flush zone (9, 11) in the region of the heel of the board for gliding over snow so as to allow the centering of the median longitudinal axis of said reinforcement relative to the median longitudinal axis of the board for gliding over snow.

Abstract: A gliding board, including:

Abstract: A gliding or rolling board, having, in height, a first reinforcement, a second reinforcement, and a core located between the reinforcements. The core has a matrix made from a filler material, at least one insert being housed in the matrix, the insert having at least one mechanical property greater than that of the matrix, which property can be the tensile strength or the like.

Abstract: A ski having a sliding layer with ski edges, arranged on the bottom side, as well as of the core, above which a covering layer is placed, which extends over the top surface and if appropriate also over the side surfaces, is according to the invention essentially improved with respect to resistance against wear and mechanical damage without jeopardizing safety of the user. Reinforcing profiles are incorporated within the ski at least in the area of longitudinally extending top edges adjacent to the top surface or within the top surface, at least in the most exposed area on the forward portion of the ski between the tip and the ski binding, as well as on the tail of the ski. By this, the visual appearance of the ski remains essentially unchanged.

Abstract: A gliding board including a longitudinal beam having a laminated structure that includes a bottom surface layer possibly edged with lateral running edges, reinforcing layers, a decorating layer, and a central core, the board being equipped with a data exchange label. The data exchange label is positioned at a distance greater than or equal to 2 millimeters from any metallic mass of the stack.

Abstract: A roller skating device combining advantages of conventional roller and in-line skates, and skateboards is presented. A “boot” (as defined herein) for snugly encasing a selected foot of a user has an undercarriage, i.e. a frame, connected to it in fixed relation. A rigid member having a planar top is affixed to the undercarriage, preferably behind the heel of the boot, for engaging the free foot of the user, i.e., the foot not wearing this invention. A plurality of rollers, connected to the undercarriage, rollingly support the undercarriage, and all connected to it, on a skatable surface. The free foot engages the planar top by resting on and, at selected times, pressing forcefully against the planar top to help control the device during operation. Two exemplary embodiments are described herein: an embodiment having a rectangular pattern of rollers and an embodiment having a single line of rollers.

Abstract: In an alpine ski (1) comprising a body (2) which is composed of several elements and has on its underside a gliding surface (3) and on its upper side (7) a binding mounting area (8), and includes at least one upper chord element (4) subjected primarily to pressure loads and at least one lower chord element (5) subjected to tensile loads, the upper chord element (4) has in the middle region of the ski the shape of a flat, upwardly curved arc (6) extending in the longitudinal direction of the ski and spanning the lower chord element (5). The arc (6) of the upper chord element (4) is adapted to deflect in the direction of the lower chord element (5) in dependence upon the load exerted by the binding and is supported in the end regions of the ski in such a way that a displacement of the ends of the upper chord element (5) resulting from the deflection of the arc (6) increases the load carrying share of the end regions of the ski.

Abstract: A composite material for use as a skateboard deck or other sports board. The composite skateboard deck of the preferred embodiment is comprised of two structural layers bonded to and on either side of a light, flexible core. The structural layers made of a strong, resilient material comprised of a natural fiber-embedded-matrix, this class of materials including grasses such as bamboo, hemp and kanaf. The composite skateboard deck of the present invention is strong, light, durable, resilient, environmentally friendly, and derived from a more renewable resource with no loss of pop or memory.

Abstract: An alpine including a longitudinal beam having front and rear ends and a central zone, the beam being formed by a main core covering a running surface, a stack of gliding and reinforcing layers with two lateral running edges, the core itself being covered by a stack of reinforcing, and possibly decorating layers. In the central zone, a secondary core is superposed on the main core so as to form, in this central zone, a projecting rib having a reduced width. An interface with a plate for supporting the retaining elements is provided to be assembled to the ski by journals.

Abstract: A snowboard (110) includes a body (22) formed from a primary core (130) reinforced by a structural layer (132, 134) that wraps the primary core. A secondary core formed from first and second binding lifter plates (120) is disposed above the body and adhered thereto with an elastomeric layer (142). A top layer (136) overlies the secondary core and the exposed portions of the body to integrate the secondary core into the snowboard. The snowboard further includes a bottom layer (138) reinforced with edge strips (140). The integrated modular lifter plates provides additional leverage and vibration dampening at selected regions of the snowboard without significantly impacting the torsional and longitudinal flexibility of the center section (112) of the snowboard.

Abstract: While the way that the present invention addresses the disadvantages of the prior art is discussed in greater detail below, in general, the present invention provides improved boards and board materials for use in various sports and leisure contexts, and in particular embodiments of the present invention, the boards are well suited for use in skateboards.

Abstract: A method for forming a sheet material suitable for use in manufacturing gliding board bases includes placing a first group of materials including plastic particles on a continuously moving surface in a first pattern, and placing a second group of materials including plastic particles on the continuously moving surface in a second pattern. Heat and pressure are applied to sinter the plastic particles together to form the sheet material having a first area with a first set of characteristics formed mainly of particles from the first group adjacent a second area with a second set of characteristics different from the first set of characteristics formed mainly from particles from the second group. The first and second sets of characteristics may include only one characteristic, such as color, hardness, wear-resistance, etc., or a plurality of different characteristics.

Abstract: The invention relates to a board-type runner device (1), in particular a ski (2) or a snowboard, comprising several layers disposed between a running surface lining (25) and a top layer (24), with a top belt (31) lying closest to the top layer (24) and/or a bottom belt (32) lying closest to the running surface lining (25) of a highly tensile material. In conjunction with a core disposed between the layers, these layers form a multi-layered element and at least one profiled section (12, 13) is provided in the core. At least a part-region of the outer surface of the profiled section (12, 13) is embedded or inlaid in a layer (44, 45) of an elastic synthetic material, preferably a layer (44, 45) of expanded synthetic material above the profiled section (12, 13) that is flexible and elastically resilient under the action of forces.

Abstract: A composite material for use as a skateboard deck or other sports board is disclosed. The composite skateboard deck of the preferred embodiment is comprised of two structural layers bonded to and on either side of a light, flexible core. The structural layers made of a strong, resilient material comprised of a natural fiber-embedded-matrix, this class of materials including grasses such as bamboo, hemp and kanaf. The composite skateboard deck of the present invention is strong, light, durable, resilient, environmentally friendly, and derived from a more renewable resource with no loss of pop or memory.

Abstract: The invention relates to a board-type runner device (1), in particular a ski (2) or a snowboard, comprising several layers disposed between a running surface facing (4) and a top layer (6) and a core component (15). At least a bottom face (19) of the core component (15) adjoins a layer (20) that is elastically flexible and rebounds when forces are applied to it. The core component (15), which is mounted on the elastic layer (20) so as to be flexible at least in the direction perpendicular to a running surface (3) of the runner device (1), has compression-resistant projections (21) formed on its top face (23) or separate compression-resistant spacing elements (22) are supported directly on its top face (23).

Abstract: A gliding board, such as a snowboard, has improved lift or float in certain conditions, e.g., when gliding in powdered snow. A nose and/or tail of the gliding board may have a variable bending property to provide the improved float. In one embodiment, the nose and/or tail may have a tapered thickness or other features so that the nose and/or tail is more flexible toward the tip of the nose or tail. Other variable bending properties in the nose and/or tail may be provided for reasons other than improved float, such as to enhance trick or other maneuver performance.

Abstract: The invention relates to a board-type runner device (1), in particular a ski (2), jumping ski or snowboard, having several layers disposed between a running surface lining and a top layer (10), forming a sandwich element with a core disposed in between. An external face (18) of the top layer (10) or the running surface lining or the top face (10) and running surface lining remote from the core has an at least partially structured surface (19) with a plurality of recesses (20) or raised areas (21). A depth of the recesses (20) is shorter than a thickness of the structured top layer (10) or the structured running surface lining. The invention further relates to a layer of plastics, in particular a top layer (10) and a running surface lining for a runner device (1) of this type.

Abstract: A snow board system for measuring and displaying parametric data such as speed and distance during and after snow boarding. The snow board system includes a board member having a cavity and designed for gliding over a snow covered surface, a pair of binding assemblies designed for securing the board member to the feet of the user, a sensor device designed for determining instantaneous velocity of the board member and positioned in the cavity of the board member, and a display assembly for displaying information determined by and derived from the sensor device.

Abstract: A ski (10) includes a body (22) formed from a primary core (28) reinforced by a structural layer (30) that wraps the primary core. A secondary core (24) is disposed above the body and adhered thereto with an elastomeric layer (32). A top layer (40) overlies the secondary core and the exposed portions of the body to integrate the secondary core into the ski. The ski further includes a bottom layer (34) reinforced with edge strips (36). The secondary core (24) provides additional mass at selected regions of the ski without significantly impacting the stiffness of the ski, thereby affecting the dynamic profile of the ski.