Sports boot shell with comfort sock

a technology of comfort socks and sports boot shells, applied in the field of sports boot shells or sports boot shell subassemblies, can solve the problems of insufficient comfort and stiffness, too uncomfortable, and insufficient solution to meet comfort and stiffness constraints, and achieve the effect of limiting heat loss

Inactive Publication Date: 2006-05-04
LANGE INTERNATIONAL SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0012] More precisely, a first object of the present invention consists in proposing a sports boot that offers good comfort, particularly in terms of warmth, and presents satisfactory stiffness.
[0014] A third object of the present invention consists in proposing a sports boot whose manufacturing process remains simple.
[0016] More precisely, the invention is based on a sports boot shell of which at least part of the wall is composed of a sock covered with a rigid layer in a plastics material, wherein the sock includes, on its inner surface, an insulating means limiting losses of heat by radiation.

Problems solved by technology

the upper is often too uncomfortable for the skier and the liners do not sufficiently offset this weakness in order to achieve a satisfactory overall level of comfort;
This solution is, however, insufficient to fulfill the comfort and stiffness constraints.
This solution is, however, insufficient to fulfill the comfort and stiffness constraints.

Method used

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  • Sports boot shell with comfort sock
  • Sports boot shell with comfort sock
  • Sports boot shell with comfort sock

Examples

Experimental program
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Effect test

Embodiment Construction

[0030]FIGS. 1 and 2 illustrate a very sophisticated embodiment of the invention applied to a ski boot shell. This shell is composed of three plastics materials 1, 2, 3 obtained by means of three injection-molding operations. The zone in plastics material 1 is relatively flexible and connected to more flexible parts 4, in leather, plastics or fabric, by means of stitching 5 in order to form two flexible flaps in the zone corresponding to the instep and extending as far as the lower leg in order to make it easier to put the boot on. The other end of these parts in plastics material 1 is connected by stitching 6 to an inner sock 7 that therefore has a notch at the level of the instep zone, as shown in FIG. 2.

[0031] The sock 7 occupies a wide surface around the foot and includes aluminum in order to form a wall having a property of reflecting thermal radiation, which has the effect of preventing cooling of the inner liner and, more particularly, of the foot placed in this liner, which ...

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Abstract

A sports boot shell of which at least a part of the wall is composed of a sock covered with a rigid material in plastics material, wherein the sock includes, on its inner surface, an insulating means limiting losses of heat by radiation, which may be a polyurethane coating that includes aluminum particles or aluminum pieces bonded on the inner surface. The process for manufacturing such a boot comprises the step of lasting the sock prior to injection-overmolding of plastics material in order to form the wall of the shell.

Description

BACKGROUND OF THE INVENTION [0001] The invention relates to a sports boot shell or sports boot shell subassembly and also to the sports boot itself, and is particularly suited to the field of boots for boards for gliding, such as skiing or snowboarding, or skating boots, which are subjected to significant stresses during use and for which a particularly robust structure is required, although they must offer a high level of comfort, particularly as regards warmth. The invention also relates to a process for manufacturing such a shell. [0002] A ski boot is a good example of a sports boot that, on the one hand, has to be very robust and, on the other, has to offer a high level of comfort. Indeed, such a boot is subject to numerous stresses during use and consequently has to be very strong. A high level of stiffness is also required in order to achieve a good performance on the part of the boot, which, as intermediary between the skier and the ski, transmits the skier's effort to the sk...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A43B5/04B29D35/14
CPCA43B5/0405A43B7/34B29D35/146
Inventor PEROTTO, RICCARDOROUX, PASCAL
Owner LANGE INTERNATIONAL SA
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