US2459258A - Method of constructing slippers - Google Patents

Description

Jan. 18, 1949. wu sc METHOD OF CONSTRUCTING SLIPPERS Filed Jan. 8, 1947 )//.m1/ nm11m Wxm BENJAMIN wuus fi BY ATTORNE Patented Jan. 18, 1949 METHOD OF CONSTRUCTING SLIPPERS Benjamin Wunsch, New York, N. Y., assignor of one-half to Isidor Wunsch, Bronx, N. Y.

Application January 8, 1947, Serial No. 720,792

This invention relates to slippers and similar footwear of the type employing a soft insole and a hard outer sole with means for finishin and uniting peripheral edge portions of the soles and the corresponding edges of the uppers. Still more particularly, the invention deals with a new method of assembling and attaching the parts so as to produce a neat and finished appearance and to control, to a large degree, sizing of the slipper upper in attaching the same to a presized hard sole. Further, my invention deals with footwear of the kind described and a method of producing the same wherein an intermediate or spacer sole is employed to produce a thicker sole structure and, further, to raise the heel portion of the footwear.

The novel features of the invention will be best understood from the following description, when taken together with the accompanying drawing, in which certain embodiments of the invention are disclosed and, in which, the separate parts are designated by suitable reference characters in each of the views, and in which:

Fig. 1 is a side elevation of a slipper showing one adaptation of my invention.

Fig. 2 is a sectional view through part of an upper and part of an inner sole illustrating the method of attaching the same together.

Fig. 3 is a view similar to Fig. 2 showing the method of attaching a binder or finishing strip to the joined edges of the insole and upper.

Fig. 4 is a section on the line 4-4 of Fig. l on an enlarged scale, showing the complete assemblage with the outer or hard sole stitched in position.

Fig. 5 is a side and sectional view of a modified form of outer sole which I employ; and

Fig. 6 is a side view of a part of a slipper employing the sole of Fig. 5 with part of the construction broken away and in section.

In Fig. 1 of the drawing, I have shown in illustrating one adaptation and use of my invention a slipper I 0, comprising an upper formed from separately stitched or otherwise united parts namely a toe and side wall portion II, a top wall portion l2 and a rear heel portion I 3 having an upwardly extending flange portion M which may be used in the raised position shown in Fig. l or turned down to expose the inner fur or nap facing of the skin or leather from which the sole portions of the slipper are formed. In other words, in the construction shown, the slipper is of a fur-lined or skin-lined type.

Considering now Figs. 1 and 4 of the drawing. it will be seen that, secured to the walls II and 2 Claims. (Cl. 12-142) l3, in a manner later described, there is an insole I6 which also preferably has the fur or other skin facing ll, at least within the body portion of the slipper. At 18 is shown the hard outer sole of facing which may be composed of a leather, rubber or composition materials of any type or kind and this may be partially secured to the insole l6 by a suitable adhesive.

In constructing the footwear such as the slipper shown, the walls II and I3 of the upper are first secured together and, then, to the insole 16 by a cast-over or other stitching l9 as clearly seen in Fig. 2 of the drawing so as to reinforce and strengthen the joined edges of the relatively soft side walls and insole, the side walls having as indicated at 20 in Fig. 2 of the drawing, out-- wardly extending flange portions which facilitate the attachment in question.

In Fig. 3 of the drawing, I have shown the next step in the method of producing the footwear which consists in securing a finishing strip or binder 2| to the flanged edge 20 and to the outer edge portion 22 of the insole E6. The strip 25 has an inturned upper edge 23 and, in attaching the strip 2|, a stitching, as at 24. passes through the inturned edge 23, the flange 26, the insole H3 and the lower edge 25 of the strip 2 l.

The next step in the production of the slipper comprises attaching the outer hard sole iii to the insole IS. The sole I8 is preferably pre--' shaped to a desired size and the sole I8 is secured in position by a line of stitching as at 26,

preferably arranged outwardly of the stitching 24 and, in this operation, the upper is stretched sufficiently to bring the outer flanged edge 2!! of the upper and the outer edge 22 of the insole in alinement with the peripheral edge 2? of the outer sole, thus maintaining a neat and finished appearance of the resulting footwear, as well as to bring the footwear to a substantially controlled size. The soft material of the upper, including the insole, is sufficient to yield to the slight strains to which the same is subjected in sizing the upper to the lower sole.

The above operation completes the formation of the footwear and it will be apparent that the turned edge 23 of the binder will be arranged in the corner portion of the footwear where the side walls H and I3 extend upwardly, as seen at 28 in Figs. 3 and 4 of the drawing. As previously stated, the insole l6 may be glued or otherwise secured to the outer sole l8 and, if an adhesive is employed, this will be applied prior to the stitching operation 26. However, in footwear of the specific type and kind shown, the use of an adhesive is not absolutely essential.

In Figs. and 6 of the drawing, I have shown I has a facing or binder strip 32 secured to the peripheral edge thereof by a stitching; as at 33, or any other means of attachment may be provided. After the binder strip 32 has been secured in position, the outer sole I8 is first 'temporarily attached to the intermediate sole 29 by two or more wire staples, as at 34, or by other suitable means simply to hold these two soles in aline'ment'with each other preparatoryto stitching'to the insole of the footwear. The assemblage, as seen in Fig. 5, is then secured to the footwear having the insole I6 attached thereto by a line of stitching 35 positioned outwardly of the stitching 24 for attaching the binder or finishing strip 2! to the insole I6. After 'the'assembla'ge's'h'own in Fig. 5 has'been secured' to the insole l6 by'the stitching 35', the temporary fastenings, as at 34, can be removed. In some types of footwear, it may be desirable to first cement -the so1e -l8'to the intermediate sole 29 and, then,

to cement the sole 29 to the insole l6 just prior to the stitching operation and so as to facilitate sizing of the upper on the outer sole unit as'previously stated in connection with the'structure of Figs. 1-4 inclusive.

In footwear of the type and kind disclosed,"it is preferable that the upper wall 12, disposed i over the toe portion of the slipper, be attached after the assemblages of the insole andouter sole,

so as to give the operator'full freedom and'manip- 'ulation of the upper and insole'in sizing the upper to'thepre-sized outer or hard sole.

By constructing footwear in accordance with the method disclosed, in addition toproducing a neat and finished product, the attachment between'the upper and soles of the footwear is reinforc'ed by the stitchings 'employed'and the castover stitchings, such as l9, are protected by the binder or finishing strip 2|. It is also preferred that the stitchings as at 26, 35 be'disposed between the cast-over stitchingsas, for example,

at-l9 and the stitchings, 24'. In this way, the

4 strain of the upper is first taken up by the stitching 24, 24' before transmission to the stitchings as at 26, 35. My improved method of forming footwear also produces a sufficiently protruding edge portion on the resulting sole to guard and protect the upper to a large degree which is particularly desirable in the construction of chil- V drens footwear.

Having fully described ,1 my "invention, "what I claim as new and desire to secure by Letters Patent is: g

1. The method of forming footwear of the class described, whichcomprises first uniting side wall portions of the upper, then attaching the outwardly extending peripheral flanges at lower edges of the side walls to the corresponding edges 'of a soft insole, then'attaching lower edges of the upper and peripheral edges ofthe insole to peripheral edge portions of a hard sole by a single line of stitching, and stretching the'upper and insole'in stitching the sametogether to size the upper and insole to the s'ize'determine'd :bysaid hard sole. i

2. The method of forming'footwear of-the class described which comprises-first stitching peripheral edge portions'of a'flexible insole to outwardly extending peripheral flange portions-of-an upper byan overcast stitching, then securing'abinder and finishing strip to said joined edge portions of the insole and upper=bya-line of stitching -'ar-' ranged at the inner portions'of the flange by said upper, binding the peripheral edge ofan intermediate sole, then securing said intermediate soleto'the upper surface of a hard sole,--and the stitching the hard sole and intermediate sole to the bound and unitededges of the insole and upper'by a single line of stitching.

BENJAMIN 'WUNSCH:

REFERENCES CITED The following referencesare of record "in the file of'this patent;

UNITED STATES PATENTS Earl Feb. 5. I943

Images