US2010168A - Shoe and method of making same - Google Patents

Description

Aug. 6, 1935. A, Q. WILLIAMS SHOE AND METHOD OF MAKING SAME Filed Nov. 24, 1933 a ia 4 v M I 5 Am lNVE Ii; ATTOR E7.

Patented Aug. 6, 1935 UNITED STATES PATENT OFFICE SHOE AND METHOD OF MAKING SAME Augustus Q. Williams, Wcymouth, Mass.

Application November 24, 1933, Serial No. 699,523

3 Claims. (Cl. 12-142) This invention relates to the better grade of vention, the leather upper 2 is assembled on a sport shoes and more especially to those in which last with an insole 3, preferably also of leather, unvulcanized rubber outsoles are incorporated. d i5 lasted in the usual n er except that the Shoes of this character have a leather upper, lasted over margin o t Upp preferably is 5 an insole, and a rubber outsole which may be cured to the insole by cement. The cements at 5 Secured t t insole either by McKay stitching present used in the shoe trade are suitable for or by ewing t usual t t th i l and this purpose. Next, the bottom of the insole and upper and then stitching the outsole to the welt. t lower u a s of t l sted ver margins of The welt construction produces a. shoe which is the upp are s d d, scou ed Or buffed and the superior t th McKay h i th t it id th rubber outsole 4 then is secured to this bottom 10 presence of a seam on the upper surface of the Surface y eans of rubber cement. At some insole, but it is a considerably more expensive t e in this P s u y either just before construction than the McKay shoe. Withaview or ju f r the outsole y n p n, he to reducing the expense of manufacture of such w r m r in of h l h r upper mm di ely a shoe, while still obtaining the advantage above above the outsole is bufied, a d a d by the 15 mentioned of the welt type, I have made sport DD d S ipe 5, Fig. 1,-to remove the surface shoes of the general character above described by i h r m b antially all-of this area of the cementing the upper, insole and outsole together pp and t0 eipese the'underlying p r ions of in the same general manner in which sh h theleather which have "not been penetrated by .ing outsolcs made ofleather and of certain comthe Surface fi i a erials. After the out- 20 positions have been made heretofore. I have 8018 has been laid, this buffed area of the upper found it impossible, however, toproduce a satisis Coated with rubber cement Preferably a rub factory union of a rubber outsole to the other latex Cement is used Since it pp to D parts of th h by thi th d, Th hi f trate more deeply into the portions of the leather difficulty appears to be that the rubber cement underneath the buffed surface than do the ce- 25 which secures the outsole in place will not penemerits made with volatile solvents. The cement t t th l th i l or th parts of the upper is allowed to dry and later a rubber binder strip 8 lasted over the edges of the insole, for a sufllcient is secured to the d e face of the outsole and to distance to produce a union having the requisite the cemented margin 5, the inner surface of the strength. When such a shoe is being worn, the Strip the cemented margin 5 and the d ace 30 outsole is subjected to many strains that tend to of e Outsele being wiped with benzol, or some sgparate t from th i le, After a. time ch other rubber solvent, in order to make these surseparation actually takes place at points around faces ky Prior to pp y n the b n er. In the the edges of the outsole and produces a condi- Preferred construction both the outsole d th tion which is extremely unsatisfactory. This difbinder are made of c epe rubber, and the p ficulty is especially pronounced in the case of Cedure just described prod a eb i a 1V shoes having crepe soles or other soles made of, Strong union between the pp d e binder or containing a high percentage of, unvulcan- S p and e e s e b nde So firmly to the ized rubber. outsole that the two appear in the :finished shoe To devise a thoroughly practical solution for to be an integral piece. In applying the binder, 40 this problem constitutes the chief object of the as just described, it is usually cut of the proper present invention. width to fit around the heel,- and consequently, is The nature of the invention will be readily somewhat wider than is necessary around the understood from the following description when forepart. Its upper edge, however, is properly read in connection with the accompanying drawpositioned all around the shoe and the lower mar- 45 ing, and the novel features will be. particularly gin, where it projects below the tread face of the t d cut in the appended claims. outsole, as indicated at a, Fig. 2, is later trimmed In the drawing, off. Figure 1 is. a perspective View of a shoe con- It has been definitely demonstrated in D acstructed in accordance with this invention, but e that this construction effectually overcomes showing the shoe in an uncompleted state; a d thedifliculties heretofore encountered in making Fig. 2 is a transverse, vertical, sectional view a shoe having a sole of unvulcanized rubber and through the forepart of the shoe illustrated in in which the outsole is secured in position by Fig.1. cement. It will be observed that in the shoe According to the method provided by this inabove described the outsole is secured in place not only by the cement joint between it and the insole, but also by the binder strip. Because of the manner in which this strip is joined to the leather upper and secures the edge of the outsole to this part of the shoe, a strong union is provided between these parts which is additional to that produced in a cemented shoe. 1

A further objection to shoes equipped with soles made of-crepe rubber, or containing a high percentage of unvulcanized rubber, is that they spread badly while being worn. I have found that if the binder strip 6 is applied to the shoe while under considerable tension, much of this spreading difficulty is obviated and the sole retains its original shape much better than in prior shoes of this type. In addition, a shoe made in this manner has a degree of flexibility considerably greater than that of the ordinary shoe of the cemented type.

While I have herein shown and described a preferred embodiment of my invention, it will be evident that the invention may be embodied in other forms without departing from the spirit or scope thereof.

Havingthus described my invention, what I desire to claim as new is:

1. In a shoe, the combination of a leather up per, an insole to which the margins of said upper are secured, a crepe rubber outsole cemented to said upper and insole, and a crepe rubber binder strip extending around the shoe and cemented along one margin to the edge face of said outsole and along its opposite margin to the leather upper immediately above the outsole, whereby it serves to bind said outsole and upper together, said binder strip being under tension and said outsole being held in its cooperative relationship to the other parts of the shoe solely by said binder strip and by the adhesive union of said outsole to other parts of the shoe.

2. That improvement in methods of manufacturing shoes which consists in securing a leather upper, an insole and a rubber outsole of a shoe together in their usual relationship, securing the outsole in place by means of cement, at some stage in the process treating the margin of the upper immediately above the outsole to promote the penetration of cement into said margin, applying rubber cement to the surface so treated, and cementing a binder strip, under tension, to the edge face of said outsole and to the cemented margin of the upper to provide an added bond between said upper and outsole.

3: That improvement in methods of manufacturing shoes which consists in securing a leather upper, an insole and a rubber outsole of a shoe together in their usual relationship, securing the outsole in place by means of cement, at some stage in the process treating the margin of the upper immediately above the outsole to promote the penetration of cement into said margin, applying rubber latex cement to the surface so treated and cementing a rubber binder strip, under tension, to the edge face of said outsole and to the cemented margin of the upper to provide an added bond between said upper and outsole.

AUGUSTUS Q. WILLIAMS.

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