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Número de publicaciónUS2147197 A
Tipo de publicaciónConcesión
Fecha de publicación14 Feb 1939
Fecha de presentación25 Nov 1936
Fecha de prioridad25 Nov 1936
Número de publicaciónUS 2147197 A, US 2147197A, US-A-2147197, US2147197 A, US2147197A
InventoresAlfred A Glidden
Cesionario originalHood Rubber Co Inc
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos: USPTO, Cesión de USPTO, Espacenet
Article of footwear
US 2147197 A
Resumen  disponible en
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Reclamaciones  disponible en
Descripción  (El texto procesado por OCR puede contener errores)

Feb. 14, 1939.

A. A. GLIDDEN ARTICLE OF FOOTWEAR Filed Nov. 25, 1936 2 Sheets-Sheet l wad Feb. 14, 1939.

A. A. GLIDDEN ARTICLE OF FOOTWEAR Filed Nov. 25, 1956 2 Sheets-Sheet 2 J27 52-7525 i/faed Patented Feb. 14, 1939 UNITED STATES PATENT OFFICE ARTICLE OF FOOTWEAR Alfred A. Glidden, Water-town, Mala. asslgnor to Hood Rubber Company, Inc., Water-to This invention relates to articles of footwear and to methods of making the same, and is especially useful in the manufacture of shoes having textile uppers. Heretofore shoes for use in playing athletic games and for similar purposes, sometimes called sneakers or tennis shoes, have been manufactured from substantially nonstretchable canvas or similar woven material. It has been the practice to construct the uppers with a fabric lining attached to the upper by an intervening layer of rubber. In the manufacture of such shoes 9. great amount of waste has been involved in the cutting of the fabric parts, and due to the substantially nonstretchable nature of the textile material comprising the upper dimculty has been experienced in providing the proper shape to such shoes. The resulting shoes are of such a nonabsorbent nature and so impervious to moisture that discomfort has been caused to the wearer by perspiration. The woven materials which have been used in the uppers of such shoes are subject to objectionable shrinkage from repeated wetting and drying, adding further discomfort to the wearer.

The principal objects of the present invention are to provide comfort, stretchability. light weight, breathability and absorption properties in an article of footwear and to provide for economy of materials and convenience of procedure in the manufacture of the same. Other objects will appear from the following description and the accompanying drawings.

0f the drawings:

Fig. 1 is a perspective view of a shoe embodying and made in accordance with the invention, part of the rubber being broken away.

Fig. 2 is a detailed cross sectional view taken on line 2-2 of Fig. 1.

Fig. 3 is a perspective view of the shoe of Fig. 1 during a stage of its manufacture, the parts of the shoe being partially assembled upon a last.

Fig. 4 is a perspective view of another embodiment of the invention in its completed form.

Fig. 5 is a fragmentary view of a portion of the upper margin of a shoe illustrating a further embodiment in which an overcast stitching is applied to the margin.

Fig. 6 is a perspective view of a further embodiment of the invention in which the elastic textile upper is removable from the remainder of the shoe.

Fig. 7 is a perspective view illustrating the building of the rubber portions of the shoe of Fig. 6 upon a last, the rubber portion of the shoe being shown as partially completed.

Fig. 8 is a perspective view of a further embodiment of the invention in its completed form.

Referring to the drawings, the invention contemplates the construction "of an article of footwear in which an upper of extensible and elastic textile material, such, for example, as knited material, and of such extent as to form the complete upper including the insole, is fabricated without substantial waste to the desired shape to accommodate the foot without uncomfortable wrlngles. A reinforcing structure, preferably of rubber is provided on the, outer face of the upper in formfitting contact therewith without wrinkling or buckling of either of the parts, while preferably leaving extensive portions of the textile upper exposed to provide breathability and facility of flexing,

Referring to the drawings:

In proceeding according to the method of this inventiona complete and integral, extensible and elastic, unlined shoe upper it is formed, preferably by knitting, to final form and without waste, of yarn which may be of any suitable material, such for example, as cotton, wool, combinations of cotton and wool, animal fibers such as mohair, alpaca. cellulose filaments such as rayon, cellulose acetate or the like, vegetable fibers such as jute, sisal, hemp or especially prepared fibers such as combinations of rayon,

shredded leather held together by resinous bodies,

natural or artificial dispersions of rubber or other agglutinous material.

Infabricating the unitary upper, as by knitting, areas thereof which are normally subjected to greater wear and in which a lower degree of elasticity is desired, such as the toe l I and the heel portion It, may be more densely fabricated to provide therein heavier weight and less extensibility than in the other parts of the upper, as by changing the type of stitch or amount or thickness of the yarn in the knitting. Other areas, such as the ankle portion ii, are preferably made so as to provide softness and elasticity, as by making them of ribbed construction, as shown.

In the embodiment of Fig. 1 the entire upper, preferably including the insole, is fabricated as an integral, shaped, sock-like article although in some cases the insole portion may be omitted, if that is desired. In any event the complete article preferably is formed as nearly to the shape of the last on which the shoe is to be built as possible. The fabricated upper is slipped over the building last and the remaining parts of the shoe are assembled thereon and attached in formfitting relation either by adhesion or .by sewing operations. The upper may be wetted either before or after being applied to the last and then dried on the last in order to more closely conform it to the shape of the last.

In order to provide good ventilation and comfort it is desirable to leave as much of the elastic upper exposed as possible and all of the trimming pieces are reduced to a minimum. In the embodiment of Fig. 1, after the upper has been applied to the last, the parts, preferably of rubber including a counter l4, heel reinforcement l8, outsole I1 and a blucher saddle l8 having an integral heel strap I9, which encircles the rear of the shoe, are mounted in place upon the upper as illustrated in Fig. 3, and may be cemented thereto in the places where it is desired to attach the parts to the upper, and a foxing 20 is preferably applied around the lower portion of the shoe 'where it Joins the outer sole. A filler or reinforcing layer 15, preferably of thin, rubberized fabric, may be provided to facilitate assembly and to provide a stronger union of the outsole to the textile upper and to provide greater smoothness of the inner sole bottom. The article is then vulcanized preferably while on the last and then removed therefrom. The eyelets |8a for receiving the shoe lace I8b may be applied to the margins of the blucher saddle 18 after vulcanization. The blucher saddle is permanently attached to the upper only at or near the sole leaving the eyeleted portion free. While rubber is the preferred material, some or all the parts applied to'the upper in this and the other embodiments may in some cases be of any other suitable material, such as fabric, or natural or artificial leather. Where rubber is used, it may be unreinforced, or it may be reinforced, as by fabric, if desired. 1

In the embodiment of Fig. 4 the front of the upper has reinforcing stays 2| secured, thereto, as by cementing or stitching, over the instep and extending to the top of the shoe, and the upper may be slit as at 22, preferably after vulcanization, to provide a vent extending from the top of the shoe to the instep in a forward direction, the stays being provided with eyelets 23 for lacing. A tongue 24 also may be provided. In some cases the tongue 24 and the slit 22 may be omitted, the stays being retained, however, to permit lacing, and for bracing. A strap 25 may be provided, extending around the back of the foot and secured at its ends to the stays. As shown, the shoe may be of the low type with the strap 25 extending along the top margin of the upper.

Where the cutting of the textile upper, to provide the slit 22, or for any other purpose, leaves a raw textile edge which might ravel or fray, the edges may be protected, as by an overcast stitch 26, as illustrated in Fig. 5, where the stitch is shown as extending not only along the margins of the slit, but also along the top margin of the upper at the leg opening.

Other modifications of the invention, in which the rubber portion of the shoe may be detachable from the textile upper to facilitate washing the upper, are illustrated in Figs. 6, '7 and 8.

In the embodiment of Figs. 6 and 7, the lower portion of the textile upper 21 is embraced by an integral rubber covering 28 having no lacings or other fastening means, but provided with a sole 25 and formed with ventilating and expansion-facilitating openings 30 which expose the textile upper.

Whether or not the rubber portion 28 is to be attached to the upper it is preferably built upon the textile upper while the latter is upon a last, as in the building of the embodiments shown in Figs. 1 and 4, or a last which corresponds in dimension and shape with the outside of the lasted textileupper 21 may be constructed, and the rubber portion may be assembled thereabout and vulcanized thereon, as illustrated in Fig. 7, in which a perforated sheet of material 28 is shown as being laid about the last 3|, and the sole 29 is laid thereon in adhesive engagement with the sheet 28. A filler or reinforcing layer 28a, like I5 of Fig. 3, may beprovided if desired, to facilitate uniting the sole 29 to the part 28 and to provide a smooth inner bottom. The vulcanized article will have the same inside dimensions and shape as the textile upper 21 and the two may be assembled without wrinkling of the upper or objectionable localized stretching of either of the parts. If desired, the rubber part 28 may then be cemented to the textile upper over all or a part of their contacting surfaces.

The embodiment ofFig. 8 may be constructed in similar manner. Here a sole 32 is provided with a counter 33, toe cap 34, heel straps 35, and sole straps 36, united to each other. This rubber structure may be assembled either upon a last having the textile upper 31 thereon, or upon a last formed to the same outside dimensions and shape as the outside of the lasted upper 31, and vulcanized thereon. If the rubber portion has been formed without the use of the I textile upper, the upper is then placed therein. Eyelets 38 and a lacing 39 are provided for securing the shoe on the foot. In this embodiment, also, the upper may be either removable or cemented or otherwise attached in place over at least a portion of the area of contact with the rubber parts.

An article of footwear constructed according to the invention has decided advantages over articles of footwear heretofore produced. Because of the unlined, absorbent nature of the upper perspiration is readily absorbed and evaporated from the foot. The high porosity of the upper provides good ventilation, and the flexibility of the upper and its inherent elasticity provide a degree of comfort comparable to wearing well fitted socks without shoes, while the outsole, which may be of any desired type and may be of crepe soling or may be molded to provide any desired anti-skid surface, provides adequate traction and protects the feet in walking. Where the foxing 20 is extended for a substantial distance above the sole the shoe may be used upon wet floors without wetting the feet. Comfort to the wearer is contributed to in a large measure by the fact that the outer parts of the shoe, whether attached to the upper or not, are built to fit each other so that the shoe will fit the wearer without wrinkles or other undesirable non-foot-conforming malformations.

Since the entire upper of the shoe, including the insole, preferably is formed of continuous elastic textile material, such shoes may be worn directly over the feet without the use of stockings or socks. The stretchability of the upper, especially when an upwardly-extending, flexible rubber sole and foxing are provided, permits the elimination of half sizes and makes it easier to provide a good fit.

I claim:

1. A shoe having an upper of porous elastic material providing an elastic top portion, a less flexible midportion and substantially less flexible portions at the lower margin of its sides andat its toe and heel, a sole on said upper and a bracing structure secured to the sole and extending over the instep portion of the upper to restrain the upper from being excessively stretched, the bracing structure covering only a portion of the upper thereby leaving extensive ventilating area of the latter exposed.

2. A shoe having an upper of knitted material providing elasticity and ventilating porosity by virtue of the knitted construction, a sole on the upper, and a bracing structure secured to the sole and extending over the instep portion of the upper to restrain the upper from being excessively stretched, the bracing structure covering only a portion of the upper thereby leaving extensive ventilating area of the latter exposed and said upper having in the foot portion below the ankle a plurality of zones of knitted material of difierent degrees of stiflness merged integrally by knitted union with one another to provide localized reinforcement of the knitted material acting in cooperation with said bracing structure to resist excessive localized stretching while providing portion of said bracing structure a zone of increased density of knitting merging with a zone of the knitted material of less dense knitting spaced from the bracing structure to provide local reinforcement of the knitted material at the margin of the bracing structure against excessive localized stretching.

4. A shoe having an upperof such knitted construction as to provide an elastic top portion, a less flexible midportion and a substantially less flexible lower portion, the upper being porous for ventilation by virtue of the knitted construction, a sole on the upper, and a bracing structure secured to the sole and extending over the instep portion of the upper to restrain the knitted upper from, being excessively stretched, the bracing structure covering only a portion of the upper thereby leaving extensive ventilating area of the latter exposed.

5. A shoe having a sock-like upper of such knitted construction as to provide an elastic top portion, a less flexible midportion, and substantially less flexible portions at the lower margin of its sides and at its toe and heel, a sole essentially of rubber adhered to the upper and a bracing structure essentially of rubber for restraining the upper from being excessively stretched, said structure comprising a portion adhered to the sole and extending over the instep of the upper and a portion adhered to the sole at the heel and extending forwardly around the upper. the bracing structure covering only a portion of the upper thereby leaving extensive ventilating area of the latter exposed.

ALFRED A. GLIDDEN.

Citada por
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Clasificaciones
Clasificación de EE.UU.36/9.00R, D02/912, 36/45, 36/3.00A, 36/3.00R
Clasificación internacionalA43B1/02, A43B5/10
Clasificación cooperativaA43B1/02, A43B23/0235, A43B1/04, A43B5/10, A43C1/04
Clasificación europeaA43B1/04, A43B23/02B50, A43B1/02, A43B5/10, A43C1/04