JPS59103604A - Inner shoes for ski boots - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to the structure of an inner shoe for ski boots.

Current inner shoes for ski boots, which are called conventional products, are made by combining several padded semi-hard materials, for example by sewing, and the resulting inner shoes feel good when worn. , has sufficient flex to keep the wearer's foot in the boot.

However, such in-ski shoes have the disadvantage of being expensive to manufacture due to the labor required to manufacture them. To avoid this problem, inner shoes using foamed plastic have begun to be made commercially, and due to the advantages of manufacturing through industrial processes, they have become relatively inexpensive.

However, the disadvantage of these foam plastic inner shoes is that they do not provide adequate foot retention and are not comfortable for the wearer. In fact, the use of relatively low-density foams results in shoes that are adequate in terms of flexibility, but they do not hold the foot well when it comes to comfort, and the use of high-density foams Even if they were technically superior, they had to sacrifice comfort.

The object of the present invention is to provide an in-shoe that has the same performance and feel as conventional in-shoes but eliminates the above-mentioned drawbacks, most of which are improved so that they can be manufactured industrially. There is a particular thing.

Another object of the invention is to provide a structure for a ski boot which contributes to lower manufacturing costs by making it possible to significantly reduce the time required to manufacture the ski boot.

Additionally, the present invention provides a design for an in-ski boot that is reliable and safe to use due to its unique construction features.

The above-mentioned objects and the objects that will become clear below can be achieved in accordance with the invention by providing an in-ski boot with the following features: That is, a first part made of substantially soft plastic foam is used as an inner lining (INNERLIN).
IG) to substantially cover the foot;
A semi-rigid second portion joined to the second portion covers the rear of the foot and a portion of the wearer's leg, said second portion overlapping said first portion in at least a portion.

BRIEF DESCRIPTION OF THE DRAWINGS The features and advantages of the present invention will become more easily understood from the following description based on the drawings, which are for illustration and explanation only and are not intended to limit the invention.

Based on the accompanying drawings, an in-ski boot according to the invention is provided on the lining. The first part 1 can therefore be produced by an industrial process.

The first part is the user's foot region (FOOT REGION)
substantially cover the area.

2 is a second part that can be joined to the first part, and this part is made entirely of semi-hard or true hard material according to the foot holding condition desired by the wearer, and is manufactured by conventional methods. shall be taken as a thing.

Referring to FIGS. 1 and 2, the second portion substantially covers the BACK REGION of the foot, i.e. the heel, ankle and also the front surface of the leg. A specific example of this is
As an example suitable for REARENTRY boots, the padding for the rear foot is preferably placed directly in the rear part of the boot.

If it is desired to avoid stuffing the rear part of the boot, the second part can be provided with an auxiliary projecting flap on the rear surface and can be bent to cover the rear part of the foot.

Said second part is joined to the first part 1 by means such as sewing 4. That is, the tactile characteristics specific to the relatively flexible foamed portion of the first part are combined with the technical characteristics of the second part obtained by employing a semi-rigid material of conventional construction.

In the area covered by the second part 2 of the rear surface of the shoe, a flap 5 can be provided in order to further improve the retention effect, i.e. the flap 5 can be attached directly to the second part 2 in order to contribute to the retention of the heel part. good. The heel retainer can also be attached to the ski boot itself.

At the lower edge of the rear opening of the inner shoe, that is, near the point where the flap 5 is attached, a padded lip 6 is provided on the second part, and cooperates with the flap 5 to prevent the foot from wearing the shoe. It is possible to conveniently insert the foot and to comfortably hold the foot.

The inner shoe is essentially completed by providing a seat or pocket 8 on the instep of the foot. A member (elem 8) made of a rigid material and adapted to receive pressure generated by a pneumatic float bladder or other pressure element is provided inside the element 8.
insert).

Referring to FIG. 3, this figure shows an inner shoe for a front-opening ski boot. In this specific example, a first portion 1a is provided with a longitudinal notch 11 on the upper surface to facilitate foot insertion.

The second part, designated 2a, has a front flap, designated 3a, which covers the front part of the instep. Also, in this example,
The second part of semi-rigid material at least partially overlaps the first part 1a and is connected by a suture 4a.

As shown in FIG. 3, the second portion 2a includes an insertion portion 15 that wraps around the first portion on the lower sole surface of the foot, but only the first portion 1a on the sole surface of the heel portion. It consists of

Referring to FIGS. 4 to 11, the first part of the insole of the present invention, now designated by the reference numeral 20, is comprised of a relatively flexible plastic foam on an inner lining 21. made from wood. As a result, the first part 20 is made in a completely industrial manner (as already explained).

The first portion 20 covers substantially the entire foot of the wearer. The inner lining 21 then protrudes from the first portion. An edge 22 is sewn to the upper front edge of the inner lining 21, ie to the protruding portion above the first part 20.

The second part, □ coupled to the first part 20, is indicated by the reference numeral 25, and is made of a semi-rigid or truly rigid material by a one-piece plastic molding process to meet the user's foot retention requirements. Made.

In the case of a back-opening shoe, the second portion 25 substantially covers not only the sole of the foot, that is, the heel and ankle, but also the upper front surface of the foot and the front of the leg.

In making the connection between the first part and the second part, the second part
The section 25 is sewn to the upper edge of the inner lining 21;
The upper part of the second portion 25 is then inserted under the edge 22 and tilted to position the rear strap 26 below the heel, as shown in FIG.

Once this positioning is completed, the protruding end 30 of the inner lining 21 is folded back and stitched to reach the upper end of the second portion 25.

Said second portion 25 of semi-rigid or rigid material extends at the upper front of the foot, perpendicular to the length of the foot, and preferably provides flexibility to the shoe, as best shown in FIG. Create a weak part called 40 slots that are effective in giving. By lacking material only in this slot portion, the slot reduces stiffness and ensures flexibility.

Further, the area under the slot 40, designated 40a, is the first
In conjunction with section 20, a seat or pocket can be made into which, if desired, a material imparting stiffness can be placed.

A hard or semi-hard pressure generating element 40 under an area of 40 m
b can be inserted to contribute to the retention of the foot. It is noted that the connection is preferably performed by suturing, and that an overhang is created at the upper end of the semi-rigid part that projects above the first part.

From the above, it is clear that the present invention has achieved its purpose.The point that should be particularly emphasized is that the two shoe manufacturing techniques that have been used up to now have been applied to the production of inner shoes. In other words, the foam part covering the foot should be called a sewn product in order to combine the inherent advantages of conventional shoe making by sewing with the characteristics of industrially manufacturing foam shoes. The point is that it is rationally combined with a part that exhibits the required holding performance. In carrying out the present invention, materials may be selected as appropriate to meet individual requirements, as long as they are consistent with the intended use, size and shape of the shoe.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view centered on the rear entrance of the inner ski shoe. FIG. 2 is a side view of the rear opening ski inner shoe. FIG. 3 is a perspective view of a front opening ski inner shoe. Figures 4 and 4a are 2
FIG. 4 is a perspective view of the second part of the shoe (when integrated) seen from two different angles; 5 to 8 are explanatory diagrams schematically illustrating the process of joining the second part shown in FIG. 4 to the first part. FIG. 9 is a side view of the finished shoe. FIG. 10 is a side view showing a part of the shoe in cross section. FIG. 11 is a side view showing the shoe bent forward. 1 to 3, 1...first part, 2...second part 4...suture line, 5...flap 6...lip-shaped body, 1
1... Longitudinal cut in FIGS. 4 to 11, 20... First portion, 21... Inner lining 25
...Second portion, 26...Back band 40...Slot, 40a...End portion. Agent Masao Miyake and 1 other person

Claims (12)

[Claims] (1) A first section consisting of a substantially flexible plastic foam material.
A portion 1 is provided over the inner lining to substantially cover the surface of the wearer's foot and at least a portion of the front of the leg, and then a substantially semi-rigid second portion 2 is coupled to the first portion 1 and worn. An inner shoe for ski boots, which covers at least a part of the rear surface and leg of a person, and at least a part of the second part 2 overlaps the first part 1. (2) An inner shoe for a ski boot according to claim 1, characterized in that the second portion 2 is joined to the first portion 1 by sewing 4. (3) Claim 1, characterized in that the second portion 2 substantially covers the heel, ankle region and front surface of the leg.
Inner shoes for ski boots listed in section. (4) A pocket or seat 8 is provided on the front upper part of the foot,
2. The inner shoe according to claim 1, wherein a rigid element is inserted between the first part and the second part. (5) Flap 5 on the back of the shoe to hold the heel of the foot.
8. An inner shoe for ski boots according to claim 1, characterized in that: is attached to the second portion 2. (6) A padded lip 6 is provided in the area occupied by the end edge of the second portion 2 and the club 1 knob 5, and works together with the flap 5 to hold the heel of the foot and to facilitate foot insertion. An inner shoe for a ski boot according to claims 1 and 5, characterized in that the inner shoe has the following characteristics. (7) In the case of front-opening shoes, the first part 1 is provided with a long notch 11, and the second part 2 is provided with a front flap 3a that opens and closes on the front surface of the wearer's feet. Inner shoes for ski boots according to item 1. (8) A first portion 20 made of flexible plastic foam is provided on the inner lining 21.0, the inner lining 21 protruding from the first portion 20 so as to substantially cover the foot surface, and then substantially half of the foot surface. The hard second part 25 is
the second part 20 and the inner lining 21, further covering the rear side and the upper front part of the foot and a part of the leg;
No. 5 is an inner shoe for ski boots characterized by having a defective part extending perpendicularly to the length direction of the foot on the upper front surface thereof. (9) The inner shoe for ski boots according to claim 8, wherein the weak part is the slot 40 provided in the second part 25. (10) End 4 of second portion 25 below slot 40
Claim 8, characterized in that 0a is used as a seat or pocket for inserting a rigid element.
Inner shoes for ski boots according to Items 1 and 9. (11) The ski boot according to claim 8, wherein the second portion 25 integrally forms a rear IA'Jq band 26 that comes into contact with the rear side of the heel of the wearer's foot. inner shoes. (12) The inner lining for ski boots according to claim 8, characterized in that the inner lining 21 has an edge 22 that engages with the front top of the inner lining 21 that protrudes from the first portion 20 or 20. shoes.