Hockey-Stick Blade with Reinforcing Frame
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.
1 . A hockey-stick blade extending from a heel section to a toe section, comprising:
a core including a top edge, a bottom edge, a heel-end edge, and a toe-end edge;
a reinforcing frame having a top portion running along at least a portion of the top edge, a toe portion running along the toe-end edge, and a bottom portion running along at least a portion of the bottom edge, the toe portion of the reinforcing frame having a larger cross-section than at least one of the top or bottom portions of the reinforcing frame;
a front-facing wall attached to or integral with at least one of the reinforcing frame and the core; and
a rear-facing wall attached to or integral with at least one of the reinforcing frame and the core.
2 . The hockey-stick blade of claim 1 wherein the larger cross-section comprises a greater wall thickness.
3 . The hockey-stick blade of claim 1 wherein the top portion of the reinforcing frame has a greater height than the bottom portion of the reinforcing frame.
4 . The hockey-stick blade of claim 1 wherein the bottom portion of the reinforcing frame has a greater height than the top portion of the reinforcing frame.
5 . The hockey-stick blade of claim 1 wherein the reinforcing frame comprises a tubular structure.
6 . The hockey-stick blade of claim 1 wherein the reinforcing frame includes an internal opening filled with a core material.
7 . The hockey-stick blade of claim 6 wherein the core material comprises a syntactic foam including thermoplastic or glass microspheres.
8 . The hockey-stick blade of claim 1 wherein the reinforcing frame is hollow.
9 . The hockey-stick blade of claim 1 wherein the reinforcing frame runs from a top edge of the heel section, along a top section of the blade, around the toe section, along a bottom section of the blade, to a bottom edge of the heel section.
10 . The hockey-stick blade of claim 1 further comprising a hosel extending from the heel section, wherein the reinforcing frame runs from an upper surface of the hosel, along a top section of the blade, around the toe section, along a bottom section of the blade, to a lower surface of the hosel.
11 . The hockey-stick blade of claim 1 wherein the reinforcing frame further extends around the heel-end edge of the core to form a continuous frame around the core.
12 . The hockey-stick blade of claim 1 wherein the core comprises a syntactic foam material or a lightweight foam material.
13 . A hockey-stick blade, comprising:
an elongated member extending longitudinally from a toe section to a heel section, and vertically from a top section to a bottom section, to form a front-facing wall and a generally opposing back-facing wall with a cavity therebetween; and
a generally tubular reinforcing frame including a top portion that forms at least a portion of the top section, a toe portion that forms at least a portion of the toe section, and a bottom portion that forms at least a portion of the bottom section, the toe portion of the reinforcing frame having a greater stiffness than at least one of the top and bottom portions of the reinforcing frame.
14 . The hockey-stick blade of claim 13 wherein the toe portion of the reinforcing frame comprises composite plies oriented at approximately zero degrees to a longitudinal axis of the blade to provide bending stiffness.
15 . The hockey-stick blade of claim 13 wherein the toe portion of the reinforcing frame comprises composite plies oriented at approximately 45 degrees to a longitudinal axis of the blade to provide torsional stiffness.
16 . The hockey-stick blade of claim 13 wherein the cavity is substantially hollow.
17 . The hockey-stick blade of claim 13 wherein the cavity is filled with a foam material.
18 . A hockey-stick blade, comprising:
an elongated member extending longitudinally from a toe section to a heel section, and vertically from a top section to a bottom section, to form a front-facing wall and a generally opposing back-facing wall;
a reinforcing frame including a top portion that forms at least a portion of the top section, a toe portion that forms at least a portion of the toe section; and the reinforcing frame comprising means for stiffening the toe section along an outer region of the toe section;
wherein the means for stiffening is positioned on the reinforcing frame further toward the front-facing wall or on the reinforcing frame further toward the rear-facing wall so that the blade is thicker in either the front-facing or rear-facing direction.
19 . The hockey-stick blade of claim 18 further comprising an external layer positioned over the means for stiffening such that the means for stiffening is not the outermost region of the toe section.
20 . The hockey-stick blade of claim 18 wherein the means for stiffening is positioned on the reinforcing frame further toward the front-facing wall so that the blade is thicker in the front-facing direction.