US2045954A - Method of making shoes - Google Patents

Description

June 30, 1936. F LAUDANNO 12,045,954'.

METHOD OF MAKING SHOES Filed Feb. 14, 1933 into which the insole may be separated is'indicated at I 0 and another at I2, these layers together providing the substantially homogeneous body.

portion of the insole I4. Insole material having these desirable characteristics is readily available. One such material, consisting mainly of paper `pulp and rubber latex formed into sheets, two or more o'f which are superposed and caused to. ad-

here to each other, has been marketed extensively for several years past under the trade name of Onco.. The insole may be channeled as illustrated to provide a. feather portion I6 and a lip I8 extending from the breast line about the periphery of the insole to the breast line again. The insole I4 and an upper 20, ordinarily including a lining 2l, are assembled upon a last 22 and the shoe lasted by the practice of. the method disclosed in applications for Letters Patent of the United States Serial No. 386,097, filed vAugust 15, i

1929, and Serial No. 576,342, filed November 20, 1931, both in the name of George Goddu. By this method cement is applied to the feather of the insole and to the opposed marginal surfaces of the layers of upper material at the sides of the shoe, including usually the inner face ofI the lining. The upper is worked into lasted relation to the insole and is fastened by staples 24. (Fig. 2) tothe lip I8, the upper lying flat againstthe feather I6 of the insole. 'I'he toe and heel portions of the upper are preferably lasted in a machine of thev materials secured thereto are` trimmed oif flush with the bottom of the central portion of the insole, as illustrated in Fig. 3, the staples 24 being,

of course, removed at the samel time. A steel shank piece 26 may be secured to the shank portion of the insole, as illustrated in Fig. 4. A portion of the insole may now be removed in accord# 1 ance with my invention. This is preferably done by making a cut 28 along the ball line of the insole through the outer portion thereof and peeling off the outer lamina 30 of the insole, that is, the

portion of the layer I2 lying forward of the cut' 28, and covering the area inside the inner edge of the overlasted marginal portion of the upper.

If the outsole is to be attached by cement, the

' overlasted marginal portionsof the upper mate-v rial may now be roughened and cemented, and an outsole 32, also roughened and cemented, may be attached to the shoe in the manner usual in the manufacture of compo shoes, no illler being employed except possibly a thin piece 34 of material, for example fa ric, between the insole and outsole to'eliminate squeaking. Of course, if desired, the last may' be Aremoved and the outsole atltached tothe shoe by through-and-through stitching, either chain or lock stitches.

When shoes are made in this manner over turn lasts the bottoms of the foreparts of which have considerable'transverse and longitudinal curvature, the elimination of the outer layer of the insole and the filler enables shoes to be made the bottoms of the foreparts of which are substantially flat.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1. 'Ihat improvement in methods of making shoes in which a laminated insole is secured to a last, an upper assembled upon the last andits margin worked into and secured in lasted relation to the insole, and an outsole attached to the shoe, characterized by the removal of a lamina of the insole forwardly of the ball line of the shoe at a stage in the' manufacture of the shoe subsequent to the lasting operation.

2. That improvement in methods of making shoes which consists in securing the marginal portion of a shoe upper in lasted position over the forepart of a laminated insole upon a last, thereafter removing the outer lamina of the central portion of the insole located inside the edge of the overlasted upper, and attaching an outsole y sole along the ball line of the shoe, removing the outer lamina of the insole forward yof the cut, and attaching an outsole in contact with the overlasted margin of the upper.

4. That improvement in methods of making shoes which consists in assembling upon a last an upper and a laminated insole, working the marginal portion of the upper materials over the inner lamina of the insole, securing-it in lasted relation to the insole, cutting through the outer lamin'aof theinsolealong the ball line y,of the shoe, removing the outer lamina from the forepart `of the shoe, and attaching an outsole to the shoe in contact with the loverlasted margin of the upper.

5. That improvement inmethods of making shoes which consists in forming an outside channel upon an insole composed of material which may be separated intol laminae, turning up the channel flap to form a lip, assembling the insole and an upper upon, a last, providing cement between the opposed surfaces of the upper materials and between the inner surface of the upper materials and the 'feather of the insole, working the marginal portion of the upper over the feather ofthe insole into lasted relation to the lip of the insole, inserting metallic fastenings through the upper and thelip to hold the upper in lasted position while the cement is setting, after the cement has set removing the lip and the portion of the upper secured thereto including said fastenings, removing the outer lamina of the insole from the ball line forwardly, and securing an outsole in contact 'with the overlastedy margin of the upper. 6. A method of shoe-making which involves attaching'the marginal portion of a shoe upper to a two-ply insole, and removing the outer ply material of the insole at thev forepart thereof in- -wardly of the attached marginal portion of the upper and in front otthe front shank line.

f FHACESCO LAUDANNO.

Images