Boot and shoe making – Processes – Moccasins
Patent
1997-03-07
1999-08-10
Kavanaugh, Ted
Boot and shoe making
Processes
Moccasins
12142T, 36 12, A43B 1338
Patent
active
059338962
DESCRIPTION:
BRIEF SUMMARY
Thus application is a 371 of PCT/GB95/01620 filed on Jul. 10, 1995.
This invention relates to a method of making a sports boot.
The type of sports boot with which the invention is concerned includes sports boots used to play football, rugby, and many other types of ball games.
Traditional manufacture of football and rugby boots and the like have used relatively heavy "uppers" of leather or other material, and with relatively rigid, and thick soles joined to the edges of the upper. However, requirements of modern sportsmen now demand much lighter-weight designs of boot, with lightweight uppers and soles, but, this imposes problems not yet fully solved by existing techniques, at least by modern mass production techniques.
The invention seeks to address this problem, and to provide a novel solution resulting in easier manufacture of a lightweight sports boot.
A method of making a lightweight sports boot according to the invention utilises a relatively lightweight upper of flexible material, an outsole, and an insole with the lower edges of the upper secured to the insole and with the insole and the edges of the upper being secured to the outsole, and said method comprising: of said edges to the facing edges of an insole, which are located inwardly of the edges of said upper and substantially coplanar with the folded edges to form a midsole, and thereby to form a part-assembly of a boot; the formation of the boot.
An additional over-liner may be fitted within the boot to overly the co-planar sub-assembly of insole and folded-in edges of the upper.
The securement of the outsole may use any known adhesive or bonding techniques, and if desired a line of stitching may provide additional securement of the outsole to the sub-assembly.
The mid-sole therefore is located inwardly of the folded-in edges of the upper at least along the major part of the edges of the upper, but in the heel region of the boot, the mid-sole may be enlarged so as to fill substantially the entire support area within the boot for the heel portion of the wearer.
A preferred embodiment of method according to the invention will now be described in detail, by way of example only, with reference to the accompanying drawings, in which:
FIG. 1 is an exploded view of some of the individual components which can be assembled to form an "upper" of a sports boot to be made by a method according to the invention;
FIG. 2 is a view showing the components of the "upper" stitched together to form a closed form of upper ready to be lasted;
FIG. 3 is a schematic side view of a break-open last on which the upper can be fitted, to be joined to an insole and thereby form a boot sub-assembly;
FIG. 4 is a side view showing the upper fitted on the last of FIG. 3;
FIG. 5 is a plan view of an insole board which can be securely joined to the upper, when both are assembled on the last of FIG. 3;
FIG. 6 is a perspective view from the underside of the boot sub-assembly, comprising the upper and insole board joined together;
FIG. 7 is an underplan view of the profile of the last shown in FIG. 3;
FIG. 8 is an underplan view, similar to FIG. 5, and showing the difference in size and shape between the profile of the last shown in FIG. 7, and that of the insole board;
FIG. 9 is an underplan view of the folded over edges of the upper, when fitted on the last shown in FIG. 7;
FIG. 10 is a plan view of the assembly of the insole board to the folded-in lower edges of the upper, but with the remainder of the upper omitted for clarity;
FIG. 11 is a cross-sectional view of the boot sub-assembly, and taken through a forward part of the boot, and showing completion of the assembly to an outsole which is securely joined thereto; and
FIG. 12 is a sectional view, similar to FIG. 11, but taken through the heel region of the boot.
However, before giving a detailed description of one preferred example of method according to the invention, description will first be made of one existing technique for the manufacture of sports boots, such as football boots. First of all, an upper is cemented or o
REFERENCES:
patent: 2022760 (1935-12-01), Engel
patent: 2473605 (1949-06-01), Orlando
patent: 3404468 (1968-10-01), Elliott
patent: 4918776 (1990-04-01), Motoda
Kavanaugh Ted
Rem's srl
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