EP3047881B1 - Lame de crosse de hockey avec cadre de renfort - Google Patents
Lame de crosse de hockey avec cadre de renfort Download PDFInfo
- Publication number
- EP3047881B1 EP3047881B1 EP16152352.7A EP16152352A EP3047881B1 EP 3047881 B1 EP3047881 B1 EP 3047881B1 EP 16152352 A EP16152352 A EP 16152352A EP 3047881 B1 EP3047881 B1 EP 3047881B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reinforcing frame
- blade
- hockey
- toe
- section
- 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.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 title claims description 65
- 239000006260 foam Substances 0.000 claims description 29
- 239000002131 composite material Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000004005 microsphere Substances 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 239000006261 foam material Substances 0.000 claims description 4
- 239000011162 core material Substances 0.000 claims 8
- 239000000463 material Substances 0.000 description 17
- 239000000835 fiber Substances 0.000 description 15
- 230000002787 reinforcement Effects 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 3
- 239000004760 aramid Substances 0.000 description 3
- 229920003235 aromatic polyamide Polymers 0.000 description 3
- 230000032798 delamination Effects 0.000 description 3
- 239000003733 fiber-reinforced composite Substances 0.000 description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 description 3
- 239000004604 Blowing Agent Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000003562 lightweight material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- -1 polyphenylsulfide Polymers 0.000 description 2
- 229920000103 Expandable microsphere Polymers 0.000 description 1
- 241000208202 Linaceae Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
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- 239000000919 ceramic Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
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- 229920002530 polyetherether ketone Polymers 0.000 description 1
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- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
- A63B59/70—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00 with bent or angled lower parts for hitting a ball on the ground, on an ice-covered surface, or in the air, e.g. for hockey or hurling
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/24—Ice hockey
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
Definitions
- Hockey sticks generally include a blade and an elongated shaft. Many modern hockey sticks are constructed from lightweight, fiber-reinforced composite materials that provide excellent maneuverability and performance, as well as a sleek appearance. The light weight and resilience of modern hockey sticks enables players to propel pucks at high velocities, which results in high-impact loads to the blade. Further, the hockey-stick blade is subjected to impacts from other stick blades and shafts, arena boards, goal posts, skate blades, and so forth. A high performance hockey-stick blade, therefore, must be able to withstand many loads, including impact loads, bending loads, and torsional loads.
- existing composite hockey-stick blades 5 are typically formed as a sandwich structure including exterior laminates 7 of fiber-reinforced composite materials and an internal core 9 made of a lightweight material, such as foam.
- Some designs utilize an internal bridge structure to support the faces of the blade, and some designs incorporate a wear barrier along the edge of the blade.
- a hockey-stick blade that is strong, sleek, maneuverable, thin, and durable. It is particularly difficult to mold a traditional sandwich-structure blade with well-consolidated plies around the perimeter of the blade. This is largely due to the effort to avoid fiber-pinch-out, which can occur at the edges of the mold when the mold is closed on the blade preform. Indeed, a blade preform is typically slightly smaller than the mold cavity so that when the mold closes, the edges of the mold do not cut or pinch any fibers. If the preform is too small, however, the mold cavity will not be adequately filled, resulting in either a void or a resin-rich area in the blade, either of which yields a weaker blade.
- Hockey-stick blades are already known in the art, e.g., from US 2013/172135 A1 and US 2014/148279 A1 .
- US 2013/172135 A1 discloses a hockey stick blade comprising an elongated fiber-reinforced polymer body having a fiber-reinforced polymer front face element and a fiber-reinforced polymer rear face element.
- US 2014/148279 A1 discloses a hockey-stick blade including a heel region, a toe region spaced longitudinally from the heel region, and a mid-region located between the heel region and the toe region, wherein the toe region includes one or more reinforcing elements.
- the present invention provides a hockey-stick blade as featured in the independent claim. Preferred embodiments of the present invention are described in the dependent claims.
- a hockey-stick blade includes a reinforcing frame that provides improved strength, rigidity, and impact resistance.
- the reinforcing frame may be continuous along the top, bottom, and toe edges of the hockey-stick blade.
- the reinforcing frame optionally is a tubular structure made of fiber-reinforced epoxy resin.
- the interior of the reinforcing frame may include a core made of a resilient material, such as an expandable syntactic foam. Fiber reinforcement may also be included in the frame's construction.
- a hockey-stick blade 10 is shown separate from a hockey-stick shaft but it could alternatively be integrated into a one-piece stick.
- a typical hockey-stick blade has a curvature such that it is intended for use by only one of a left-handed player and a right-handed player.
- the blade 10 includes a hosel 12 that is attachable to a shaft.
- the blade 10 further includes a heel region 14, a striking region 16 (including a forward-facing wall 15 and a rearward-facing wall 17), and a toe region 18, and a top edge 20, a bottom edge 22, and a toe edge 24.
- These various blade regions may be made of composite laminates or of other suitable materials.
- the blade 10 includes one or more internal core elements 30.
- the core element 30 includes a top edge 32, a bottom edge 34, a heel-end edge 36, and a toe-end edge 38.
- the core element 30 may be made of a foam material, such as a syntactic foam, a precured polyurethane foam, or a lightweight flexible foam.
- the core element 30 is made of a syntactic foam including expandable thermoplastic or glass microspheres embedded in an epoxy-resin matrix. Fiber reinforcement, such as carbon, aramid, or glass fiber, may be added to the matrix to provide additional strength.
- the core element 30 may be made of an elastomeric material or of one or more other suitable materials.
- the core element may be a bladder or similar structure that provides a hollow space between the front and back faces 15, 17, or the core element may be omitted altogether.
- a reinforcing frame 40 is positioned along the top edge 32, around the toe-end edge 38, and along the bottom edge 34 of the core element 30.
- the reinforcing frame 40 further extends along an upper surface 50 and a lower surface 52 of the hosel 12.
- the reinforcing frame 40 may extend greater or lesser lengths along the top or bottom edges 32, 34 of the core element 30.
- the reinforcing frame 40 may extend around the heel-end edge 36 of the core element, as well, to form a continuous frame around the core element 30.
- multiple reinforcing frames 40 may be positioned around various regions of the core element 30, and optionally may contact each other at their ends to form a continuous frame 40 around the core element 30. While it is generally preferred that the reinforcing frame 40 cover the toe-end edge 38 of the core element 30 to protect the toe region 18 of the blade 10, in some embodiments the reinforcing frame 40 may run along only the top edge 32, or bottom edge 34, or both, without wrapping around the toe-end region 38.
- One or more reinforcing frames 40 may alternatively be located in any other desired blade regions.
- the reinforcing frame 40 is a tubular structure made of a fiber-reinforced resin or of another suitable material.
- the reinforcing frame 40 may include a laminate made of carbon-fiber-reinforced epoxy resin.
- glass, aramid, flax, ceramic, thermoplastic, or other suitable fibers may be used to reinforce the resin.
- Thermoset resins such as phenolic or vinyl-ester resins, or thermoplastic resins, such as polyamide, polyphenylsulfide, polypropylene, or polyetheretherketone resins, may alternatively be used.
- the reinforcing frame may be made of a metal, wood, or other suitable material.
- the illustrated reinforcing frame 40 forms the exterior edges of the blade 10.
- one or more layers or plies of fiber-reinforced composite material may be wrapped around some or all of the reinforcing frame 40 such that the reinforcing frame 40 does not form the outermost portion of the blade 10.
- the illustrated reinforcing frame 40 is tubular in nature, it could take other forms, as well.
- the reinforcing frame 40 could include squared corners or could have any other suitable cross-sectional shape.
- the reinforcing frame 40 may include an opening 42 running throughout some or all of its length.
- the opening 42 is filled with a lightweight material, such as a lightweight foam or a syntactic foam 43 including expandable microspheres embedded in an epoxy matrix.
- the microspheres may be thermoplastic or glass, for example. Fiber reinforcement may be added to the epoxy matrix to provide increased strength.
- the opening 42 may be empty such that the reinforcing frame 40 is hollow, or the opening 42 may be omitted such that the reinforcing frame 40 is solid throughout its cross-section.
- the stiffness of the toe region 18 or toe edge 24 of the blade 10 may be desirable to increase the stiffness of the toe region 18 or toe edge 24 of the blade 10 relative to other blade regions.
- the reinforcing frame 40 may be configured to provide increased bending or torsional stiffness in the toe region 18 by increasing its size in that region.
- Stiffness in the toe region 18 may also be increased by adjusting the fiber angles in the portion of the reinforcing frame 40 that wraps around the toe. For example, orienting the fibers in the toe portion of the frame 40 parallel (i.e., at 0°) to the longitudinal axis of the blade 10 will increase the bending stiffness of the blade 10 in that region. If more torsional stiffness is desired, the reinforcing frame 40 may be configured with a larger cross-section to increase the inertial properties of the blade 10.
- the toe portion of the frame 40 including a greater number of off-axis fibers in the toe portion of the frame 40, such as fibers oriented at plus or minus 45° to the longitudinal axis of the blade 10, will further increase the torsional stiffness of the reinforcing frame 40 in the toe region 18.
- increasing the wall thickness of the toe portion of the reinforcing frame 40 will increase the bending and torsional stiffness in the toe region 18.
- adding plies of preimpregnated composite fibers to the toe region 18 will increase its stiffness.
- the types of fibers used, and the angles at which they are oriented, may be selected to provide the desired stiffness.
- the reinforcing frame 40 it may be preferable to reinforce only a single face or edge of the reinforcing frame 40, such as the front or back face, or the top or bottom edge, or a combination of these regions. Positioning preimpregnated composite strips, rods, or other reinforcements in specific blade locations can provide desired stiffness in those locations. This may result in a greater wall thickness on one side of the blade 10, or a larger frame height on one edge of the blade 10.
- the additional reinforcements may be configured in any desired shape, such as flat, round, square, or another suitable shape.
- the reinforcing frame 40 serves as a structural support for the hockey-stick blade 10 that protects the blade 10 against impacts.
- the blade 10 When shooting a puck, for example, the blade 10 is subjected to bending and torsional loads, since the blade typically contacts the ice or ground before contacting the puck.
- stresses along the edges of the blade-laminate promote delamination of the composite plies.
- the reinforcing frame 40 by increasing the strength, bending stiffness, and torsional stiffness of the blade 10, resists such delamination.
- the reinforcing frame 40 also provides a location at which face plies and hosel plies of the hockey-stick blade 10 may be wrapped or attached.
- the plies forming these blade regions may easily be attached to the reinforcing frame 40.
- Such a construction may create a box-like structure formed between the front face, back face, top edge, and bottom edge of the blade 10.
- the face plies may additionally or alternatively be attached to the core element 30.
- the reinforcing frame 40 facilitates easier, more consistent manufacturing of the hockey-stick blade 10.
- the quality of the edge regions of the hockey-stick blade 10 is very important to the blade's performance and durability, yet it is often inconsistent due to fiber-pinch-out or inadequate filling of the structural materials in the mold.
- the reinforcing frame 40 may be made of one or more composite plies that are wrapped around a syntactic-foam core that includes expandable thermoplastic or glass microspheres.
- the syntactic foam expands when heated to generate pressure that consolidates the frame's composite plies during molding.
- the microspheres may expand, for example, from approximately 20 or 30 microns to approximately 60 microns, or larger.
- a B-Staged foam including a blowing agent that activates when heated, or any other suitable material that expands when heated may be used. This expansion creates internal pressure that expands the composite materials of the reinforcing frame 40.
- the pre-molded reinforcing frame 40 may be slightly smaller than the intended outer geometry of the hockey-stick blade 10.
- the expansion of the syntactic foam increases the size of the reinforcing frame 40 to fill the mold and to consolidate all of the plies.
- fiber-pinch-out is greatly reduced or eliminated and a better consolidated laminate near the edges of the blade 10 is achieved.
- the reinforcing frame 40 is formed by rolling preimpregnated composite material around a mandrel, removing the mandrel to yield a hollow preimpregnated tube, and injecting expandable foam inside the tube.
- the tube may be sealed on each end so the foam does not escape when the tube is formed into a substantially "U" shape to follow the shape of the blade.
- a braided tube of fibers may be used instead of preimpregnated materials.
- These braids may be made of dry fibers that are subsequently impregnated with resin, or of preimpregnated fiber tows.
- the fibers may be carbon, glass, aramid, or any other suitable material.
- a rod of B-Staged or semi-cured expanding foam is formed and a roll of preimpregnated material is wrapped around the rod.
- the rod is then bent into the desired shape and packed into a mold. This may be accomplished by mixing the foam and extruding the rod, then cutting it to length and wrapping the preimpregnated material around it.
- the foam may be injected to fill the preimpregnated tube completely and consistently without any trapped air or voids.
- the injection process is relatively quick and easy.
- the expanding foam may be a B-Staged foam with a blowing agent that expands when heated, such as a syntactic foam including an epoxy resin with expandable thermoplastic microspheres.
- the foam may have a flowable viscosity so that the foam can be put into a syringe or caulking gun and injected into the hollow preimpregnated tube.
- the expandable foam may be mixed, and the preimpregnated tubes may be rolled, using machinery. The foam may then be injected into the tube using a caulking gun or similar apparatus.
- the hollow preimpregnated tube optionally may be frozen to hold its shape and to resist the pressure of injection, or it may be supported on the outside using tape or a fixture. Having a material inside the preimpregnated tube helps to maintain the cross section when the tube is bent into shape. In one embodiment, the preimpregnated tube may be modified to taper or vary in diameter.
- the hockey blade is formed by positioning the reinforcing frame 40 in the mold near the edges of the mold, but far enough away from the edges to prevent fiber-pinch-out.
- the expanding foam material in the frame 40 expands the frame 40 to the edge of the mold, creating a strong perimeter protection.
- the reinforcing frame forms a "lakebed" or central-blade space that may be filled with a core element 30, such as a lightweight foam, or a different density foam, or no foam at all (in which case a bladder or similar structure could be located in the central-blade space). Additionally, ribs, tubes, or foam-filled tubes may be placed in the central-blade space for added reinforcement. Face plies may be attached to the reinforcing frame 40 or to the core-element materials.
- the hosel 12 may be formed by wrapping preimpregnated material around a bladder or expanding silicone rubber material.
- the hosel 12 may be molded by creating internal air pressure in a bladder, such as an elastomeric bladder, to pressurize fiber-reinforced resin laminates into the shape of the hosel 12.
- expanding rubber, expanding foam, or a rigid mandrel that is removed after molding may be used to generate internal pressure that consolidates the external composite laminates.
- the hosel 12 may alternatively be constructed in any other suitable manner. The entire hockey blade may then be co-cured to make an integrated structure.
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- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
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Claims (14)
- Palette de crosse de hockey (10) qui s'étend à partir d'une section talon (14) vers une section bout (18), comprenant :un noyau (30) qui comprend un bord supérieur (32), un bord inférieur (34), un bord extrémité de talon (36), et un bord extrémité de bout (38) ;un cadre de renfort (40) qui présente une partie supérieure qui s'étend le long d'une partie au moins du bord supérieur (32), une partie bout qui s'étend le long du bord extrémité de bout (38), et une partie inférieure qui s'étend le long d'une partie au moins du bord inférieur (34), la partie bout du cadre de renfort (40) présentant une section transversale plus grande que celle de l'une au moins des parties supérieure ou inférieure du cadre de renfort (40) ;une paroi qui fait face vers l'avant (15) fixée sur, ou d'une pièce avec, l'un au moins du cadre de renfort (40) et du noyau (30) ; etune paroi qui fait face vers l'arrière (17) fixée sur, ou d'une pièce avec, l'un au moins du cadre de renfort (40) et du noyau (30).
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle la section transversale plus grande présente une épaisseur de paroi plus grande.
- Palette de crosse de hockey (10) selon la revendication 1,
dans laquelle la partie supérieure du cadre de renfort (40) présente une hauteur plus grande que celle de la partie inférieure du cadre de renfort (40) ; ou
dans laquelle la partie inférieure du cadre de renfort (40) présente une hauteur plus grande que celle de la partie supérieure du cadre de renfort (40). - Palette de crosse de hockey (10) selon la revendication 1, dans laquelle le cadre de renfort (40) comprend une structure tubulaire.
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle le cadre de renfort (40) comprend une ouverture intérieure (42) remplie d'un matériau de noyau.
- Palette de crosse de hockey (10) selon la revendication 5, dans laquelle le matériau de noyau comprend une mousse syntactique qui comprend des microsphères thermoplastiques ou de verre.
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle le cadre de renfort (40) est creux.
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle le cadre de renfort (40) s'étend à partir du bord supérieur (20) de la section talon (14), le long de la section supérieure de la palette (10), autour de la section bout (18), le long de la section inférieure de la palette (10), vers le bord inférieur (22) de la section talon (14).
- Palette de crosse de hockey (10) selon la revendication 1, comprenant en outre un col (12) qui s'étend à partir de la section talon (14), dans laquelle le cadre de renfort (40) s'étend à partir de la surface supérieure du col (12), le long de la section supérieure de la palette (10), autour de la section bout (18), le long de la section inférieure de la palette (10), vers la surface inférieure (12) du col (14).
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle le cadre de renfort (40) s'étend en outre autour du bord extrémité de talon (36) du noyau (30) de façon à former un cadre continu autour du noyau (30).
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle le noyau (30) comprend un matériau de mousse syntactique ou un matériau de mousse qui présente un poids léger.
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle la partie bout du cadre de renfort (40) présente une rigidité plus grande que celle de l'une au moins des parties supérieure et inférieure du cadre de renfort (40).
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle la partie bout du cadre de renfort (40) comprend des plis de matériau composite orientés sous un angle approximativement égal à zéro degré par rapport à l'axe longitudinal de la palette (10) destinés à fournir une rigidité à la flexion.
- Palette de crosse de hockey (10) selon la revendication 1, dans laquelle la partie bout du cadre de renfort (40) comprend des plis de matériau composite orientés sous un angle approximativement égal à 45 degrés par rapport à l'axe longitudinal de la palette (10) destinés à fournir une rigidité à la torsion.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/604,571 US9993707B2 (en) | 2013-07-30 | 2015-01-23 | Hockey-stick blade with reinforcing frame |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3047881A1 EP3047881A1 (fr) | 2016-07-27 |
EP3047881B1 true EP3047881B1 (fr) | 2018-07-11 |
Family
ID=55221350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16152352.7A Active EP3047881B1 (fr) | 2015-01-23 | 2016-01-22 | Lame de crosse de hockey avec cadre de renfort |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3047881B1 (fr) |
CA (1) | CA2918794A1 (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6062996A (en) * | 1996-03-25 | 2000-05-16 | Fiberspar, Inc. | Formable sports implement |
US7476167B2 (en) * | 2006-06-01 | 2009-01-13 | Warrior Sports, Inc. | Hockey stick blade having rib stiffening system |
US9044657B2 (en) * | 2011-12-30 | 2015-06-02 | Sport Maska Inc. | Hockey stick blade |
US9039549B2 (en) * | 2012-11-28 | 2015-05-26 | Easton Hockey, Inc. | Hockey-stick blade with tailored performance regions |
-
2016
- 2016-01-22 EP EP16152352.7A patent/EP3047881B1/fr active Active
- 2016-01-22 CA CA2918794A patent/CA2918794A1/fr active Pending
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
EP3047881A1 (fr) | 2016-07-27 |
CA2918794A1 (fr) | 2016-07-23 |
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