US20040084878A1 - Gliding or rolling board - Google Patents
Gliding or rolling board Download PDFInfo
- Publication number
- US20040084878A1 US20040084878A1 US10/676,851 US67685103A US2004084878A1 US 20040084878 A1 US20040084878 A1 US 20040084878A1 US 67685103 A US67685103 A US 67685103A US 2004084878 A1 US2004084878 A1 US 2004084878A1
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- United States
- Prior art keywords
- insert
- board
- matrix
- zone
- board according
- 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.)
- Abandoned
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims abstract description 45
- 230000002787 reinforcement Effects 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000945 filler Substances 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 19
- 239000002023 wood Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 239000002984 plastic foam Substances 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 5
- 239000011120 plywood Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- QYUQQMYTMVZNPD-UHFFFAOYSA-N hexa-3,5-dien-2-one;styrene Chemical compound CC(=O)C=CC=C.C=CC1=CC=CC=C1 QYUQQMYTMVZNPD-UHFFFAOYSA-N 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/003—Structure, covering or decoration of the upper ski surface
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/03—Mono skis; Snowboards
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
- A63C5/00—Skis or snowboards
- A63C5/04—Structure of the surface thereof
- A63C5/0405—Shape thereof when projected on a plane, e.g. sidecut, camber, rocker
Definitions
- the invention relates to the field of gliding or rolling boards adapted to support a user's feet. Such boards are used, for example, for snowboarding, water skiing, skateboarding, or for other sports or activities.
- a board according to the prior art has a length measured along a longitudinal direction of the board between a first end and a second end, as well as a width and a height.
- the board has, along its height, a lower reinforcement, an upper reinforcement, and at least one core located between the lower reinforcement and the upper reinforcement.
- the board also has, from the first end to the second end, a first end zone, a first intermediary zone, a first receiving zone, a central zone, a second receiving zone, a second intermediary zone, and a second end zone.
- the core extends throughout all of the zones of the board.
- the physical constitution of the core directly influences the mechanical properties of the board, as well as its cost.
- Certain cores are made with materials having a low mechanical strength, or resistance, such as traction strength, and a low cost. These materials can be a plastic cellular foam, such as a polyurethane foam. Such a core is technically easy to manufacture and inexpensive. It allows lowering the cost for manufacturing a board, and essentially fulfills a function of filling the volume between the reinforcements.
- Other cores are made from materials having a higher mechanical strength but also a higher cost. These materials can be made of wood, used in the form of juxtaposed strips, or made of wood core plywood. Such a core is technically more complicated to manufacture and more expensive. It increases the cost for manufacturing a board, but it gives it a good capability for storing and returning the energy that originates from a deformation of the board.
- An objects of the invention is to configure the core so that, on the one hand, it,is capable of storing and returning a large quantity of energy at least in certain cases and, on the other hand, it is relatively inexpensive to manufacture. This involves optimizing the cost to mechanical properties ratio.
- the invention proposes a gliding or rolling board having a length measured along a longitudinal direction between a first end and a second end, a width measured between a first edge and a second edge, and a height measured between a lower or gliding surface and an upper surface, the board having, in height, namely a first reinforcement, a second reinforcement, and at least one core located between the first reinforcement and the second reinforcement, the board also having, from the first to the second end, a first end zone, a first intermediary zone, a first receiving zone, a central zone, a second receiving zone, a second intermediary zone, and a second end zone.
- the core of a board according to the invention has a matrix made from a filler material, the matrix having at least one cavity, at least one insert being housed in the cavity of the matrix, in a predetermined zone of the board, the insert having at least one mechanical property greater than that of the matrix, which property can be the tensile or compressive strength, the bending strength, the elastic limit, or the like, so as to locally improve the mechanical properties of the board.
- Each insert is housed in the core to locally improve the mechanical properties thereof.
- a central longitudinal insert extending from the first receiving zone to the second receiving zone, improves the capability of the board to store and return the energy related to a bending along a transverse axis.
- a lateral longitudinal insert extending along an edge, improves the capability of the board to negotiate a curve on hard surfaces, such as ice.
- an object of the invention is a method for manufacturing a gliding or rolling board, in which the core has a matrix made from a filler material, with at least one insert housed in the matrix.
- FIG. 1 is a perspective view of a board, according to a first embodiment of the invention
- FIG. 2 is a cross-section along the line II-II of FIG. 1;.
- FIG. 3 is a cross-section along the line III-III of FIG. 2;
- FIG. 4 is a cross-section along the line IV-IV of FIG. 2;
- FIG. 5 is a cross-section similar to that of FIG. 3, according to a second embodiment of the invention.
- FIG. 6 is a cross-section along the line VI-VI of FIG. 5;
- FIG. 7 is a cross-section similar to that of FIG. 2, according to a third embodiment of the invention.
- FIG. 8 is a cross-section along the line VIII-VIII of FIG. 7.
- a snowboard 1 has a length measured along a longitudinal direction L, between a first end 2 and a second end 3 .
- the board 1 also has a width measured along a transverse direction, between a first lateral edge 4 and a second lateral edge 5 , as well as a height measured between a lower or gliding surface 6 and an upper surface 7 .
- the transverse direction is perpendicular to the longitudinal direction L and parallel to the lower surface 6 .
- the board 1 also has, from the first end 2 to the second end 3 , a first end zone 8 , a first contact line W 1 , a first intermediary zone 9 , a first receiving zone 10 , a central zone 11 , a second receiving zone 12 , a second intermediary zone 13 , a second contact line W 2 , and a second end zone 14 .
- Each receiving zone 10 , 12 is provided to receive a device for retaining a user's foot.
- the devices can be affixed to the board 1 by means, such as screws.
- Each receiving zone 10 , 12 is provided to this end with threaded orifices 15 .
- Each of the contact lines W 1 , W 2 is a line that is substantially transverse to the board 1 , in an area of which the lower surface 6 contacts a planar surface when the board 1 rests on the surface without an outside influence.
- the height of the board 1 is shown in cross-section in FIG. 2.
- the board 1 From the lower surface 6 to the upper surface 7 , the board 1 has a sole 20 , a first reinforcement 21 , a core 22 , a second reinforcement 23 , and a protective layer 24 .
- the sole 20 is manufactured, for example, with a plastic material containing polyethylene.
- the protective layer 24 is manufactured, for example, with a plastic material containing acetyl-butadiene-styrene.
- Each of the reinforcements 21 , 23 is preferably includes resin-impregnated fibers.
- the fibers can be made with any material, or with any combination of materials, such as glass, carbon, aramid, metal, or other material.
- the reinforcements 21 , 23 and the core 22 form a sandwich structure that extends along at least 50% of the surface of the board, and preferably substantially along the entire surface.
- the core 22 substantially occupies the space demarcated between the reinforcements 21 , 23 and maintains the distance between the reinforcements 21 , 23 .
- the core 22 has a matrix 30 made from a filler material, an insert 31 being housed in the matrix 30 , the insert 31 having at least a mechanical property greater than that of the matrix, which property can be the tensile or compressive strength, the bending strength, the elastic limit, or the like.
- the matrix 30 extends substantially along the entire surface of the board 1 , i. e., lengthwise between the first end 2 and the second end 3 , and widthwise between the first lateral edge 4 and the second lateral edge 5 .
- the insert 31 is arranged centrally in the longitudinal direction.
- the matrix 30 connects together the first reinforcement 21 and the second reinforcement 23 .
- a through cavity 32 is provided in the matrix 30 to receive the insert 31 .
- the shapes of the cavity 32 and the insert 31 can be substantially the same, so as to ensure a certain continuity of the core 22 .
- the invention is not to be considered limiting in this respect.
- the insert 31 is shown in the form of an elongated element that extends continuously from the first receiving zone. 10 to the second receiving zone 12 .
- the insert 31 is oriented substantially along the longitudinal direction L of the board 1 .
- the insert 31 is located substantially halfway between the first lateral edge 4 and the second lateral edge 5 .
- the insert 31 has a rectangular cross-section, for example. Its length is preferably comprised between 30% and 80% of that of the board 1 , and its width is comprised between 10% and 70% of that of the board 1 .
- the insert 31 In a transverse plane substantially perpendicular to the lower surface 6 or to the upper surface 7 , according to FIG. 2, the insert 31 has a rectangular cross-section, for example. Similarly to the matrix 30 , given that the cavity 32 is a through cavity, the insert 31 connects the first 21 and second 23 reinforcements together. This allows for a continuous framing of the threaded orifices 15 .
- the insert 31 according to FIG. 4 has a corrugated surface in a central longitudinal plane substantially perpendicular to the lower surface 6 or to the upper surface 7 .
- This undulated surface successively has a first boss 33 , a central recess 34 , and a second boss 35 .
- the bosses 33 , 35 and the central recess 34 correspond to the receiving zones 10 , 12 and to the central zone 11 of the board 1 , respectively.
- the receiving zones 10 , 12 are raised with respect to the central zone 11 and the intermediary zones 9 , 13 .
- the receiving zones 10 , 12 are sufficiently thick to receive the screws for attaching the retaining devices.
- the undulated surface follows the profile of the board.
- the matrix 30 is preferably made from a plastic foam, such as a polyurethane foam.
- the matrix 30 can be constructed otherwise.
- the matrix could be constructed with a plastic material loaded with low density particles.
- the matrix 30 has a reduced density, such as between 0.1 kg/dm 3 and 0.6 kg/dm 3 .
- the matrix 30 contributes to reducing the mass of the core 22 and, consequently, that of the board 1 .
- the insert 31 can be made from a material containing wood. This can be plywood, wood core plywood, a solid piece, a juxtaposition of solid pieces, or other material.
- the fibers of the wood can be oriented, according to the invention, in the lengthwise direction of the board.
- the insert 31 can be made otherwise, for example, with a plastic material reinforced with fibers, such as glass, carbon or aramid fibers; or any other material having the properties for storing and returning energy, or other properties desired, Again, according to the invention, the fibers of the insert 31 can be oriented in the lengthwise direction of the board.
- the density of the insert 31 can be comprised between 0.2 kg/dm 3 and 1.2 kg/dm 3 , or approximately therebetween.
- Such process includes manufacturing the core 22 , as well as assembling the constitutive elements of the board.
- the manufacture of the core 22 includes arranging the insert 31 in a first mold that has the form of the core 22 , and then making the matrix 30 by injecting plastic foam into the mold.
- the foam extends about the insert 31 to form the core 22 therewith. It can be provided to add two gluing films in the mold, so as to cover the core 22 on both sides.
- Assembling the constitutive elements of the board 1 includes arranging, in a first mold, a stack that includes the sole 20 , the first reinforcement 21 , the core 22 , the second reinforcement 23 , and the protective layer 24 . Next, a rise in temperature and pressure affixes the elements together.
- the one according to the invention has the advantage of requiring few successive operations, which contributes in reducing the production times.
- the board 1 manufactured according to the invention is relatively inexpensive to manufacture. This is due to the fact that its core 22 is economical.
- the matrix 30 is made in one single phase, and the foam constituting it is inexpensive.
- the insert 31 has reduced dimensions compared to those of the board, and it also has a simple geometry. In particular, the shape of the insert is quick to carry out.
- the board 1 is well-adapted for achieving acrobatic moves, particularly in cases where the board 1 must store and return energy by bending along a transverse axis.
- the insert 31 acts like a blade-shaped spring.
- the board 1 benefits substantially from the technical advantages of a wooden core while substantially having the economical advantages of a foam core.
- the core 22 uses the quantity of wood that is strictly necessary and arranged where appropriate for obtaining the desired behavior in steering.
- the inserts are arranged along the edges of the core.
- a board 50 extends longitudinally between a first end 51 and a second end 52 , transversely between a first lateral edge 53 and a second lateral edge 54 , and in height, between a lower surface 55 and an upper surface 56 .
- the board 50 has, from the first end 51 to the second end 52 , a first end zone 57 , a first intermediary zone 58 , a first receiving zone 59 , a central zone 60 , a second receiving zone 61 , a second intermediary zone 62 , and a second end zone 63 .
- the board 50 has, preferably in height, a sole 70 , a first reinforcement 71 , a core 72 , a second reinforcement 73 , and a protective layer 74 .
- the core 72 of the second embodiment has a matrix 80 made from a filler material, a first lateral insert 81 and a second lateral insert 82 being housed in the matrix 80 .
- Each of the lateral inserts 81 , 82 has at least a mechanical property greater than that of the matrix 80 , which property can be the tensile or compressive strength, the bending strength, the elastic limit, or the like.
- the matrix 80 extends substantially along the entire surface of the board 50 , i.e., lengthwise between the first end 51 and the second end 52 , and widthwise between the first lateral edge 53 and the second lateral edge 54 .
- the matrix 80 connects together the first reinforcement 71 and the second reinforcement 73 .
- a first non-traversing cavity 83 and a second non-traversing cavity 84 are arranged in the matrix 80 to receive the inserts 81 , 82 , respectively.
- the forms of the cavities 83 , 84 and of the inserts 81 , 82 are the same or substantially the same.
- Each of the inserts 81 , 82 is shown in the form of an elongated element that extends continuously from the first intermediary zone 58 to the second intermediary zone 62 .
- Each of the inserts 81 , 82 is oriented substantially along the length of the board 50 .
- the first insert 81 edges the first lateral edge 53 .
- the second insert 82 edges the second lateral edge 54 .
- each insert 81 , 82 has ends 85 , 86 , 87 , 88 that are relatively narrow, and a center 89 , 90 that is wider than the ends, respectively.
- This allows, along the board 50 , a variation in the capability of the board to store and return energy along a transverse direction. The storage and return are greater where the inserts 81 , 82 are wider, in this case, in the central zone 11 between the user's feet.
- each insert 81 , 82 is preferably substantially constant. This makes it easier to manufacture.
- Each of the inserts 81 82 takes support on the first reinforcement 71 , on the side of the sole 70 . This allows for each insert to be as close as possible to the sole. Consequently, during a lateral edge setting, an insert 81 , 82 receives a portion of the steering forces.
- the board 50 according to the second embodiment is adapted to a steering that requires precise edge settings.
- the lateral arrangement of the inserts 81 , 82 promotes a precise negotiating of the board 50 in a curve, particularly on hard ground, such as packed or icy snow.
- an insert is centrally arranged in the longitudinal direction.
- a board 100 extends longitudinally between a first end 101 and a second end 102 , transversely between a first lateral edge 103 and a second lateral edge 104 , and in height, between a lower surface 105 and an upper surface 106 .
- the board 100 has, from the first end 101 to the second end 102 , a first end zone 107 , a first intermediary zone 108 , a first receiving zone 109 , a central zone 110 , a second receiving zone 111 , a second intermediary zone 112 , and a second end zone 113 .
- the board 100 preferably has, in height, a sole 120 , a first reinforcement 121 , a core 122 , a second reinforcement 123 , and a protective layer 124 .
- the core 122 of the third embodiment has a matrix 130 made from a filler material, an insert 131 being housed in the matrix 130 , the insert 131 having at least a mechanical property greater than that of the matrix.
- the insert 131 is arranged centrally in the longitudinal direction.
- a non-traversing cavity 132 is provided in the matrix 130 to receive the insert 131 .
- the forms of the cavity 132 and of the insert 131 are substantially the same; in this case, they are parallelepipedic.
- the cavity 132 opens out on the side of the first, reinforcement 121 .
- At least one groove 133 is provided in the matrix 130 .
- Each groove 133 preferably faces the insert 131 .
- Each groove 133 preferably extends along the longitudinal direction of the board.
- Each groove 133 defines a closed space occupied by a gas, such as air. This space creates a decrease in the weight of the board.
- the boards 1 , 50 , 100 according to the invention are manufactured from materials and according to techniques known to one skilled in the art.
- each insert can have various forms.
- An insert can be symmetrical or asymmetrical along a transverse axis of the board.
- an insert can be symmetrical or asymmetrical along a longitudinal axis of the board.
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.
Description
- This application is based upon French Patent Application No. 02.12435, filed Oct. 3, 2002, the disclosure of which is hereby incorporated by reference thereto in its entirety and the priority of which is hereby claimed under 35 U.S.C. §119.
- 1. Field of the Invention
- The invention relates to the field of gliding or rolling boards adapted to support a user's feet. Such boards are used, for example, for snowboarding, water skiing, skateboarding, or for other sports or activities.
- 2. Description of Background and Relevant Information
- A board according to the prior art has a length measured along a longitudinal direction of the board between a first end and a second end, as well as a width and a height. Generally, the board has, along its height, a lower reinforcement, an upper reinforcement, and at least one core located between the lower reinforcement and the upper reinforcement. The board also has, from the first end to the second end, a first end zone, a first intermediary zone, a first receiving zone, a central zone, a second receiving zone, a second intermediary zone, and a second end zone.
- As known, the core extends throughout all of the zones of the board. The physical constitution of the core directly influences the mechanical properties of the board, as well as its cost.
- Certain cores are made with materials having a low mechanical strength, or resistance, such as traction strength, and a low cost. These materials can be a plastic cellular foam, such as a polyurethane foam. Such a core is technically easy to manufacture and inexpensive. It allows lowering the cost for manufacturing a board, and essentially fulfills a function of filling the volume between the reinforcements.
- Other cores are made from materials having a higher mechanical strength but also a higher cost. These materials can be made of wood, used in the form of juxtaposed strips, or made of wood core plywood. Such a core is technically more complicated to manufacture and more expensive. It increases the cost for manufacturing a board, but it gives it a good capability for storing and returning the energy that originates from a deformation of the board.
- An objects of the invention is to configure the core so that, on the one hand, it,is capable of storing and returning a large quantity of energy at least in certain cases and, on the other hand, it is relatively inexpensive to manufacture. This involves optimizing the cost to mechanical properties ratio.
- To this end, the invention proposes a gliding or rolling board having a length measured along a longitudinal direction between a first end and a second end, a width measured between a first edge and a second edge, and a height measured between a lower or gliding surface and an upper surface, the board having, in height, namely a first reinforcement, a second reinforcement, and at least one core located between the first reinforcement and the second reinforcement, the board also having, from the first to the second end, a first end zone, a first intermediary zone, a first receiving zone, a central zone, a second receiving zone, a second intermediary zone, and a second end zone.
- The core of a board according to the invention has a matrix made from a filler material, the matrix having at least one cavity, at least one insert being housed in the cavity of the matrix, in a predetermined zone of the board, the insert having at least one mechanical property greater than that of the matrix, which property can be the tensile or compressive strength, the bending strength, the elastic limit, or the like, so as to locally improve the mechanical properties of the board.
- Each insert is housed in the core to locally improve the mechanical properties thereof.
- For example, a central longitudinal insert, extending from the first receiving zone to the second receiving zone, improves the capability of the board to store and return the energy related to a bending along a transverse axis.
- A lateral longitudinal insert, extending along an edge, improves the capability of the board to negotiate a curve on hard surfaces, such as ice.
- Certain specific capabilities are therefore imparted to the board, which are related to the localization of the inserts, combined with a control of the manufacturing costs related to the use of an economical matrix. The invention optimizes as much as possible the technology of the core and the manufacturing costs.
- Also an object of the invention is a method for manufacturing a gliding or rolling board, in which the core has a matrix made from a filler material, with at least one insert housed in the matrix.
- Other characteristics and advantages of the invention will be better understood from the following description, taken with reference to the attached drawings showing, by non-limiting examples, how the invention can be embodied, and in which:
- FIG. 1 is a perspective view of a board, according to a first embodiment of the invention;
- FIG. 2 is a cross-section along the line II-II of FIG. 1;.
- FIG. 3 is a cross-section along the line III-III of FIG. 2;
- FIG. 4 is a cross-section along the line IV-IV of FIG. 2;
- FIG. 5 is a cross-section similar to that of FIG. 3, according to a second embodiment of the invention;
- FIG. 6 is a cross-section along the line VI-VI of FIG. 5;
- FIG. 7 is a cross-section similar to that of FIG. 2, according to a third embodiment of the invention;
- FIG. 8 is a cross-section along the line VIII-VIII of FIG. 7.
- Although the following description relates to snowboards, it is to be understood that it also applies to other boards adapted to sporting activities, as mentioned hereinabove.
- The first embodiment of the invention will be described with reference to FIGS.1-4.
- As known and as shown in FIG. 1, a
snowboard 1 has a length measured along a longitudinal direction L, between afirst end 2 and asecond end 3. Theboard 1 also has a width measured along a transverse direction, between a first lateral edge 4 and a secondlateral edge 5, as well as a height measured between a lower orgliding surface 6 and anupper surface 7. - The transverse direction is perpendicular to the longitudinal direction L and parallel to the
lower surface 6. - The
board 1 also has, from thefirst end 2 to thesecond end 3, afirst end zone 8, a first contact line W1, afirst intermediary zone 9, afirst receiving zone 10, acentral zone 11, asecond receiving zone 12, asecond intermediary zone 13, a second contact line W2, and asecond end zone 14. - Each
receiving zone board 1 by means, such as screws. Eachreceiving zone orifices 15. - Each of the contact lines W1, W2 is a line that is substantially transverse to the
board 1, in an area of which thelower surface 6 contacts a planar surface when theboard 1 rests on the surface without an outside influence. - The height of the
board 1 is shown in cross-section in FIG. 2. - From the
lower surface 6 to theupper surface 7, theboard 1 has a sole 20, afirst reinforcement 21, acore 22, asecond reinforcement 23, and aprotective layer 24. - The sole20 is manufactured, for example, with a plastic material containing polyethylene. The
protective layer 24 is manufactured, for example, with a plastic material containing acetyl-butadiene-styrene. - Each of the
reinforcements - The
reinforcements core 22 form a sandwich structure that extends along at least 50% of the surface of the board, and preferably substantially along the entire surface. Thecore 22 substantially occupies the space demarcated between thereinforcements reinforcements - According to the invention as shown in FIGS.24, for example, the
core 22 has amatrix 30 made from a filler material, aninsert 31 being housed in thematrix 30, theinsert 31 having at least a mechanical property greater than that of the matrix, which property can be the tensile or compressive strength, the bending strength, the elastic limit, or the like. - The
matrix 30 extends substantially along the entire surface of theboard 1, i. e., lengthwise between thefirst end 2 and thesecond end 3, and widthwise between the first lateral edge 4 and the secondlateral edge 5. - According to the first embodiment of the invention, the
insert 31 is arranged centrally in the longitudinal direction. Thematrix 30 connects together thefirst reinforcement 21 and thesecond reinforcement 23. A throughcavity 32 is provided in thematrix 30 to receive theinsert 31. The shapes of thecavity 32 and theinsert 31, according to the invention, can be substantially the same, so as to ensure a certain continuity of thecore 22. However, the invention is not to be considered limiting in this respect. - In this case, the
insert 31 is shown in the form of an elongated element that extends continuously from the first receiving zone. 10 to thesecond receiving zone 12. Theinsert 31 is oriented substantially along the longitudinal direction L of theboard 1. Theinsert 31 is located substantially halfway between the first lateral edge 4 and the secondlateral edge 5. - In a plane, substantially parallel to the
lower surface 6 or to theupper surface 7, according to FIG. 3, theinsert 31 has a rectangular cross-section, for example. Its length is preferably comprised between 30% and 80% of that of theboard 1, and its width is comprised between 10% and 70% of that of theboard 1. - In a transverse plane substantially perpendicular to the
lower surface 6 or to theupper surface 7, according to FIG. 2, theinsert 31 has a rectangular cross-section, for example. Similarly to thematrix 30, given that thecavity 32 is a through cavity, theinsert 31 connects the first 21 and second 23 reinforcements together. This allows for a continuous framing of the threadedorifices 15. - Instead of having a parallelepipedic form, as in the case of FIGS. 2 and 3, the
insert 31 according to FIG. 4 has a corrugated surface in a central longitudinal plane substantially perpendicular to thelower surface 6 or to theupper surface 7. This undulated surface successively has afirst boss 33, acentral recess 34, and asecond boss 35. Thebosses central recess 34 correspond to the receivingzones central zone 11 of theboard 1, respectively. In fact, the receivingzones central zone 11 and theintermediary zones zones - The
matrix 30 is preferably made from a plastic foam, such as a polyurethane foam. Thematrix 30 can be constructed otherwise. For example, the matrix could be constructed with a plastic material loaded with low density particles. - In any case, the
matrix 30 has a reduced density, such as between 0.1 kg/dm3 and 0.6 kg/dm3. Thus, thematrix 30 contributes to reducing the mass of thecore 22 and, consequently, that of theboard 1. - As for the
insert 31, it can be made from a material containing wood. This can be plywood, wood core plywood, a solid piece, a juxtaposition of solid pieces, or other material. The fibers of the wood can be oriented, according to the invention, in the lengthwise direction of the board. Theinsert 31 can be made otherwise, for example, with a plastic material reinforced with fibers, such as glass, carbon or aramid fibers; or any other material having the properties for storing and returning energy, or other properties desired, Again, according to the invention, the fibers of theinsert 31 can be oriented in the lengthwise direction of the board. - The density of the
insert 31 can be comprised between 0.2 kg/dm3 and 1.2 kg/dm3, or approximately therebetween. - A process for manufacturing the
board 1 according to the invention will be described hereinafter. - Such process includes manufacturing the
core 22, as well as assembling the constitutive elements of the board. - The manufacture of the
core 22 includes arranging theinsert 31 in a first mold that has the form of the core 22, and then making thematrix 30 by injecting plastic foam into the mold. The foam extends about theinsert 31 to form the core 22 therewith. It can be provided to add two gluing films in the mold, so as to cover the core 22 on both sides. - Assembling the constitutive elements of the
board 1 includes arranging, in a first mold, a stack that includes the sole 20, thefirst reinforcement 21, thecore 22, thesecond reinforcement 23, and theprotective layer 24. Next, a rise in temperature and pressure affixes the elements together. - Other manufacturing processes could be provided. The one according to the invention has the advantage of requiring few successive operations, which contributes in reducing the production times.
- The
board 1 manufactured according to the invention is relatively inexpensive to manufacture. This is due to the fact that itscore 22 is economical. Thematrix 30 is made in one single phase, and the foam constituting it is inexpensive. Theinsert 31 has reduced dimensions compared to those of the board, and it also has a simple geometry. In particular, the shape of the insert is quick to carry out. - The
board 1, according to the first example, with its centrallongitudinal insert 31, is well-adapted for achieving acrobatic moves, particularly in cases where theboard 1 must store and return energy by bending along a transverse axis. Theinsert 31 acts like a blade-shaped spring. Thus, theboard 1 benefits substantially from the technical advantages of a wooden core while substantially having the economical advantages of a foam core. The core 22 uses the quantity of wood that is strictly necessary and arranged where appropriate for obtaining the desired behavior in steering. - The second embodiment of the invention is described hereinafter by means of FIGS. 5 and 6.
- For reasons of convenience, it is primarily the differences with respect to the first example that are shown. In this second embodiment, the inserts are arranged along the edges of the core.
- A
board 50 extends longitudinally between afirst end 51 and asecond end 52, transversely between a firstlateral edge 53 and a secondlateral edge 54, and in height, between a lower surface 55 and anupper surface 56. - Again, the
board 50 has, from thefirst end 51 to thesecond end 52, afirst end zone 57, a firstintermediary zone 58, afirst receiving zone 59, acentral zone 60, asecond receiving zone 61, a secondintermediary zone 62, and a second end zone 63. - The
board 50 has, preferably in height, a sole 70, afirst reinforcement 71, acore 72, asecond reinforcement 73, and aprotective layer 74. - According to the invention, the
core 72 of the second embodiment has amatrix 80 made from a filler material, a firstlateral insert 81 and a secondlateral insert 82 being housed in thematrix 80. Each of the lateral inserts 81, 82 has at least a mechanical property greater than that of thematrix 80, which property can be the tensile or compressive strength, the bending strength, the elastic limit, or the like. - Again the
matrix 80 extends substantially along the entire surface of theboard 50, i.e., lengthwise between thefirst end 51 and thesecond end 52, and widthwise between the firstlateral edge 53 and the secondlateral edge 54. - According to the second embodiment of the invention, the
matrix 80 connects together thefirst reinforcement 71 and thesecond reinforcement 73. A firstnon-traversing cavity 83 and a secondnon-traversing cavity 84 are arranged in thematrix 80 to receive theinserts cavities inserts - Each of the
inserts intermediary zone 58 to the secondintermediary zone 62. Each of theinserts board 50. Thefirst insert 81 edges the firstlateral edge 53. In comparison, thesecond insert 82 edges the secondlateral edge 54. - In a plane substantially parallel to the lower surface55 or to the
upper surface 56, according to FIG. 5, eachinsert center 89, 90 that is wider than the ends, respectively. This allows, along theboard 50, a variation in the capability of the board to store and return energy along a transverse direction. The storage and return are greater where theinserts central zone 11 between the user's feet. - In the direction of the height of the
board 50, according to FIG. 6, the thickness of eachinsert - Each of the
inserts 81 82 takes support on thefirst reinforcement 71, on the side of the sole 70. This allows for each insert to be as close as possible to the sole. Consequently, during a lateral edge setting, aninsert - As structured, the
board 50 according to the second embodiment is adapted to a steering that requires precise edge settings. The lateral arrangement of theinserts board 50 in a curve, particularly on hard ground, such as packed or icy snow. - The materials and manufacturing processes that are used for the
board 50 according to the second embodiment are identical or similar to those used for theboard 1 according to the first embodiment. - The third embodiment of the invention will be described hereinafter with reference to FIGS. 7 and 8.
- For reasons of convenience, it is essentially the differences with respect to the other examples that are shown. In this third embodiment, an insert is centrally arranged in the longitudinal direction.
- A
board 100 extends longitudinally between afirst end 101 and asecond end 102, transversely between a firstlateral edge 103 and a secondlateral edge 104, and in height, between alower surface 105 and anupper surface 106. - Again, the
board 100 has, from thefirst end 101 to thesecond end 102, afirst end zone 107, a firstintermediary zone 108, afirst receiving zone 109, acentral zone 110, asecond receiving zone 111, a secondintermediary zone 112, and asecond end zone 113. - The
board 100 preferably has, in height, a sole 120, afirst reinforcement 121, acore 122, asecond reinforcement 123, and aprotective layer 124. - According to the invention, the
core 122 of the third embodiment has amatrix 130 made from a filler material, aninsert 131 being housed in thematrix 130, theinsert 131 having at least a mechanical property greater than that of the matrix. Theinsert 131 is arranged centrally in the longitudinal direction. Anon-traversing cavity 132 is provided in thematrix 130 to receive theinsert 131. Preferably, the forms of thecavity 132 and of theinsert 131 are substantially the same; in this case, they are parallelepipedic. Thecavity 132 opens out on the side of the first,reinforcement 121. - At least one
groove 133 is provided in thematrix 130. Eachgroove 133 preferably faces theinsert 131. Eachgroove 133 preferably extends along the longitudinal direction of the board. Eachgroove 133 defines a closed space occupied by a gas, such as air. This space creates a decrease in the weight of the board. - Generally speaking, the
boards - the invention is not limited to the particular embodiments specifically described above, the invention including all technical equivalents that can come within the scope of the following claims.
- For example, each insert can have various forms. An insert can be symmetrical or asymmetrical along a transverse axis of the board. Likewise, an insert can be symmetrical or asymmetrical along a longitudinal axis of the board.
- Several inserts of the same board can have various forms. This allows differentiating the mechanical properties of various parts of the board, laterally and/or longitudinally.
Claims (15)
1. A gliding or rolling board comprising:
a length measured along a longitudinal direction between a first end and a second end;
a width measured between a first edge and a second edge; a height measured between a lower or gliding surface and an upper surface;
height-wise, the board includes a first reinforcement, a second reinforcement, and at least one core located between the first reinforcement and the second reinforcement;
length-wise, the board includes a first end zone, a first intermediary zone, a first receiving zone, a central zone, a second receiving zone, a second intermediary zone, and a second end zone;
the core having a matrix comprising a filler material, the matrix having at least one cavity, at least one insert housed in the cavity of the matrix in a predetermined zone of the board, the insert having at least one mechanical property greater than that of the matrix, said property being at least one of tensile strength, compressive strength, bending strength, elastic limit, or other mechanical property, so as to locally improve mechanical properties of the board.
2. A board according to claim 1 , wherein:
each said insert has an elongated shape and being oriented substantially along the longitudinal direction of the board.
3. A board according to claim 1 , wherein:
said at least one insert comprises an insert located substantially half-way between the first and second lateral edges.
4. A board according to claim 1 , wherein:
said at least one insert comprises an insert extending continuously from the first receiving zone to the second receiving zone.
5. A board according to claim 1 wherein:
a through cavity is arranged in the matrix to receive said insert of said at least one insert, said insert connecting together said first reinforcement and said second reinforcement.
6. A board according to claim 1 , wherein:
in a plane substantially parallel to the lower surface or to the upper surface, an insert of said at least one insert has a rectangular cross-section; and
in a transverse plane substantially perpendicular to the lower surface or to the upper surface, said insert has a rectangular cross-section.
7. A board according to claim 1 , wherein:
in a longitudinal plane substantially perpendicular to the lower surface or to the upper surface, an insert of said at least one insert has a corrugated surface.
8. A board according to claim 1 , wherein:
an insert of said at least one insert has a parallelepipedic shape.
9. A board according to claim 1 , wherein:
an insert of said at least one insert is housed in a non-traversing cavity of the matrix.
10. A board according to claim 1 , wherein:
said at least one insert comprises at least a first lateral insert and a second lateral insert.
11. A board according to claim 1 , wherein:
each insert of said at least one insert extends continuously from the first intermediary zone to the second intermediary zone, a first and second non-traversing cavities being housed in the matrix to receive the inserts, respectively.
12. A board according to claim 1 , wherein:
each insert of said at least one insert has a substantially constant thickness; and
each insert of said at least one insert has relatively narrow ends and a center wider than a width of said narrow ends.
13. A board according to claim 1 , wherein:
at least one groove is provided in the matrix.
14. A board according to claim 1 , wherein:
the matrix is made from a plastic foam; and
the insert is made from wood.
15. A process for manufacturing a gliding or rolling board, the process comprises:
manufacturing a core;
assembling constituent parts of the board;
said manufacturing of a core comprises arranging at least one insert in a mold shaped like the core, then making a matrix by injecting plastic foam into the mold, the foam extending around the insert to form the core therewith.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0212435A FR2845296B1 (en) | 2002-10-03 | 2002-10-03 | SLIDING OR RUNNING BOARD |
FR02.12435 | 2002-11-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20040084878A1 true US20040084878A1 (en) | 2004-05-06 |
Family
ID=31985447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/676,851 Abandoned US20040084878A1 (en) | 2002-10-03 | 2003-10-01 | Gliding or rolling board |
Country Status (3)
Country | Link |
---|---|
US (1) | US20040084878A1 (en) |
EP (1) | EP1405657A1 (en) |
FR (1) | FR2845296B1 (en) |
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US20060049596A1 (en) * | 2004-09-09 | 2006-03-09 | Peter Hill | Skateboard deck construction |
ES2255348A1 (en) * | 2003-06-05 | 2006-06-16 | Detect 21 España, S.L. | Wheelchair without metal components for the physically handicapped |
US20070170694A1 (en) * | 2006-01-25 | 2007-07-26 | Salomon S.A. | Gliding or rolling board |
US20080129004A1 (en) * | 2006-11-30 | 2008-06-05 | Magee Thane G | Skateboard deck |
US20080238040A1 (en) * | 2005-07-18 | 2008-10-02 | Vinko Avgustin | Ski or Snowboard Having Improved Torsional Rigidity |
US20080290621A1 (en) * | 2007-05-25 | 2008-11-27 | Skis Rossignol | Alpine snowboard |
US20080305330A1 (en) * | 2007-06-06 | 2008-12-11 | Salomon S.A. | Gliding or rolling board |
US20090108554A1 (en) * | 2007-07-13 | 2009-04-30 | Hugh Boyle | Skateboard deck |
US20090111078A1 (en) * | 2007-10-25 | 2009-04-30 | Salomon S.A.S. | Assembly for practicing a gliding or rolling sport |
US20090111079A1 (en) * | 2007-10-25 | 2009-04-30 | Salomon S.A.S. | Assembly for practicing a gliding or rolling sport |
US20090273161A1 (en) * | 2005-12-09 | 2009-11-05 | Kessler Hansjuerg | Snowboard |
US20100148472A1 (en) * | 2008-12-08 | 2010-06-17 | Salomon S.A.S. | Alpine ski with controlled flexion |
US7810824B2 (en) | 2007-01-10 | 2010-10-12 | Chomp, Inc. | Skateboard deck |
WO2011037949A1 (en) | 2009-09-25 | 2011-03-31 | The Burton Corporation | Gliding board with modified bending characteristics adjacent binding mounting regions |
US20110148074A1 (en) * | 2005-12-09 | 2011-06-23 | Shane Smith | Articulated Two-piece Snowboard With Rigid, Flexible Connector |
US20110272920A1 (en) * | 2010-05-07 | 2011-11-10 | Salomon S.A.S. | Gliding board |
US20110272922A1 (en) * | 2010-02-05 | 2011-11-10 | Skis Rossignol | Board for sliding on snow with sidewalls of variable width |
EP2452728A1 (en) | 2010-11-16 | 2012-05-16 | The Burton Corporation | Gliding board with improved response to rider input |
US20120235369A1 (en) * | 2009-09-25 | 2012-09-20 | The Burton Corporation | Gliding board with modified bending characteristics and edge features adjacent binding mounting regions |
WO2016090499A1 (en) * | 2014-12-12 | 2016-06-16 | Chameleon Technologies Inc. | Snow gliding devices incorporating morphing structures |
USD806190S1 (en) * | 2017-01-27 | 2017-12-26 | John R. Failing | Wobbling balance board |
US20190308087A1 (en) * | 2018-04-09 | 2019-10-10 | Cardiff Snowcraft | Reduced contact length snowboards and splitboards |
USD875268S1 (en) * | 2018-09-11 | 2020-02-11 | Wahl Clipper Corporation | Massager head |
USD878499S1 (en) * | 2018-11-14 | 2020-03-17 | Casper Boards | Active platform |
USD902334S1 (en) | 2018-04-09 | 2020-11-17 | Cardiff Snowcraft | Snowboard |
USD912182S1 (en) * | 2019-09-09 | 2021-03-02 | Allen J Burge | Skateboard grip cover |
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ES2255348A1 (en) * | 2003-06-05 | 2006-06-16 | Detect 21 España, S.L. | Wheelchair without metal components for the physically handicapped |
US20080231009A1 (en) * | 2004-09-09 | 2008-09-25 | Chomp, Inc. | Skateboard deck |
US8465032B2 (en) | 2004-09-09 | 2013-06-18 | Chomp, Inc. | Skateboard deck |
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US20060049596A1 (en) * | 2004-09-09 | 2006-03-09 | Peter Hill | Skateboard deck construction |
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US20080238040A1 (en) * | 2005-07-18 | 2008-10-02 | Vinko Avgustin | Ski or Snowboard Having Improved Torsional Rigidity |
US9216343B2 (en) * | 2005-12-09 | 2015-12-22 | Hansjürg Kessler | Snowboard |
US20110148074A1 (en) * | 2005-12-09 | 2011-06-23 | Shane Smith | Articulated Two-piece Snowboard With Rigid, Flexible Connector |
US8579301B2 (en) * | 2005-12-09 | 2013-11-12 | Shane Smith | Articulated two-piece snowboard with rigid, flexible connector |
US20090273161A1 (en) * | 2005-12-09 | 2009-11-05 | Kessler Hansjuerg | Snowboard |
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US8336895B2 (en) | 2007-01-10 | 2012-12-25 | Chomp, Inc. | Skateboard deck |
US20080290621A1 (en) * | 2007-05-25 | 2008-11-27 | Skis Rossignol | Alpine snowboard |
US20080305330A1 (en) * | 2007-06-06 | 2008-12-11 | Salomon S.A. | Gliding or rolling board |
US20090108554A1 (en) * | 2007-07-13 | 2009-04-30 | Hugh Boyle | Skateboard deck |
US20090111079A1 (en) * | 2007-10-25 | 2009-04-30 | Salomon S.A.S. | Assembly for practicing a gliding or rolling sport |
US8182269B2 (en) | 2007-10-25 | 2012-05-22 | Salomon S.A.S. | Assembly for practicing a gliding or rolling sport |
US20090111078A1 (en) * | 2007-10-25 | 2009-04-30 | Salomon S.A.S. | Assembly for practicing a gliding or rolling sport |
US20100148472A1 (en) * | 2008-12-08 | 2010-06-17 | Salomon S.A.S. | Alpine ski with controlled flexion |
WO2011037949A1 (en) | 2009-09-25 | 2011-03-31 | The Burton Corporation | Gliding board with modified bending characteristics adjacent binding mounting regions |
US20120235369A1 (en) * | 2009-09-25 | 2012-09-20 | The Burton Corporation | Gliding board with modified bending characteristics and edge features adjacent binding mounting regions |
US8764044B2 (en) * | 2009-09-25 | 2014-07-01 | The Burton Corporation | Gliding board with modified bending characteristics and edge features adjacent binding mounting regions |
US20110156373A1 (en) * | 2009-09-25 | 2011-06-30 | The Burton Corporation | Gliding board with modified bending characteristics adjacent binding mounting regions |
US8517409B2 (en) | 2009-09-25 | 2013-08-27 | The Burton Corporation | Gliding board with modified bending characteristics adjacent binding mounting regions |
US20110272922A1 (en) * | 2010-02-05 | 2011-11-10 | Skis Rossignol | Board for sliding on snow with sidewalls of variable width |
US20110272920A1 (en) * | 2010-05-07 | 2011-11-10 | Salomon S.A.S. | Gliding board |
EP2452728A1 (en) | 2010-11-16 | 2012-05-16 | The Burton Corporation | Gliding board with improved response to rider input |
US8256791B2 (en) | 2010-11-16 | 2012-09-04 | The Burton Corporation | Gliding board with improved response to rider input |
WO2013082008A2 (en) | 2011-11-30 | 2013-06-06 | The Burton Corporation | Gliding board with modified bending characteristics and edge features adjacent binding mounting regions |
WO2016090499A1 (en) * | 2014-12-12 | 2016-06-16 | Chameleon Technologies Inc. | Snow gliding devices incorporating morphing structures |
USD806190S1 (en) * | 2017-01-27 | 2017-12-26 | John R. Failing | Wobbling balance board |
US20190308087A1 (en) * | 2018-04-09 | 2019-10-10 | Cardiff Snowcraft | Reduced contact length snowboards and splitboards |
USD902334S1 (en) | 2018-04-09 | 2020-11-17 | Cardiff Snowcraft | Snowboard |
US10946264B2 (en) * | 2018-04-09 | 2021-03-16 | Cardiff Backcountry Colab LLC | Reduced contact length snowboards and splitboards |
USD985701S1 (en) | 2018-04-09 | 2023-05-09 | Lineworks, Llc | Snowboard or splitboard |
USD875268S1 (en) * | 2018-09-11 | 2020-02-11 | Wahl Clipper Corporation | Massager head |
USD878499S1 (en) * | 2018-11-14 | 2020-03-17 | Casper Boards | Active platform |
USD912182S1 (en) * | 2019-09-09 | 2021-03-02 | Allen J Burge | Skateboard grip cover |
Also Published As
Publication number | Publication date |
---|---|
EP1405657A1 (en) | 2004-04-07 |
FR2845296B1 (en) | 2004-12-24 |
FR2845296A1 (en) | 2004-04-09 |
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Legal Events
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---|---|---|---|
AS | Assignment |
Owner name: SALOMON S.A., FRANCE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ADAMCZEWSKI, DAVID;REEL/FRAME:014842/0069 Effective date: 20031201 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |