DE702419C - Method of making flexible shoes and lasts for practicing the method - Google Patents

Description

Method of making flexible shoes and lasts for exercising of the method Flexible shoes are known in which the insole is in the ball part is interrupted. For the production of such shoes, it has already been proposed that Upper leather edge in the ball part by a arranged in a recess of the last, Holding device introduced from the sole side when attaching the outsole to keep. The clamping of the holding device in the last is quite cumbersome, and the removal of the holding device when removing the shoe from the shoe is easy damage or deformation of the shoe. Removing the last with Clamping plate is difficult because the thread is loosened, the Plate disconcerted when it is lifted and when the bar is withdrawn it bumps the plate against the edge of the insole and is thereby retained. Will the The lasts are pulled back by force, so the point of the lasts must be, which is not too circumferential loses, comes over the threaded attachment of the clamping plate and into the shaft a great tension; Depending on the type of leather, the leather can even be blown.

The-forming the subject of the present invention method for Manufacture of flexible shoes is based on a shoe in the toe and heel part has an insole that is only interrupted in the ball part. This will making it easier to mend the shoe when the outsole needs to be replaced. According to the invention in this method is to hold the upper leather edge in the ball part Serving holding device as a strip insert that goes all the way to the strip wedge formed, which when inserted into the through to the inguinal wedge, for example The recess arranged perpendicular to the sole surface is the outermost edge that folds over of the upper leather edge, possibly with lining, between the recess and the Last insert clamped. If then the floor soles is, the inguinal wedge is usually removed first. Then the bar insert pulled out while the last body remains in the shoe until completion. The last body of the multi-part last used to perform the procedure is about the length of the ball part except for one sufficient to attach the sole Edge with an approximately perpendicular to the sole surface and up to the inguinal wedge Reaching recess provided in which a bar insert is arranged, the opposite the edges of the groin one to clamp the upper leather, if necessary with lining, has a suitable distance.

Carrying out the procedure and the strips required for the procedure is explained in more detail with reference to the drawing. In this Fig. I shows the last of seen from the sole side, Fig. 2 the inguinal seen from above after the inguinal wedge is removed, Fig. g a shoe with the last in it in longitudinal section, Fig. Q. a plan view of the sole side of the shoe before applying the outsole, after the upper leather is attached with bags and the last insert is inserted.

The last consists of the last body a, on which in the usual Way a wedge b is removably attached. There is a recess under the wedge b, that reaches to the sole. A strip insert c can be introduced into this recess, which is provided with an eyelet d and a cross pin, so that it is through a hook-shaped Tool can be pulled out upwards.

The upper leather is then applied to this last in the usual way and after pinching the toes and heels, first stapled them with bags. then becomes, as Fig. q. shows that the last insert c is introduced from the sole side, the inside edge of the upper leather edge, if necessary with the lining, stuck in the space c between the strip insert and the strip edge, at the same time the insert is held in place. Be on it the bags removed; the upper leather edge is roughened and the outsole is soled.

To remove the last the last wedge b in the usual way removed. Then you reach into the with a hook-shaped tool Eyelet d and pulls out the insert c. Thereby the upper leather edge is again completely free, so that the last body a also performed in the usual way can be. The shoe can now be sewn through in a known manner without that there is an insole in the ball of the foot.

The invention leads to a very flexible footwear that is particularly suitable for children, but also for adults. It does not make the production difficult in any way Way, can thus be used without difficulty in the usual operation of shoe production insert.

Claims (2)

PATENT CLAIMS: i. Process for the production of flexible shoes with an insole interrupted in the ball part, in which the upper leather edge in the ball part is held by a holding device arranged in a recess of the last and introduced from the sole side when the outsole is attached, characterized in that the for holding the upper leather edge in the The holding device serving the ball part is designed as a last insert (c) that extends all the way to the inguinal wedge, which, when inserted into the recess that extends up to the inguinal wedge and is approximately perpendicular to the sole surface, turns the outermost edge of the upper leather edge (possibly with lining) between the recess and the Last insert clamps, wherein then, after the floor has been soled and the last wedge (b) is removed, the last insert (c) is pulled out, while the last body (a) remains in the shoe until completion. 2. Multi-part strips for practicing the method according to claim i, characterized in that the strip body (a) approximately along the length of the ball part except for one to attach the sole. sufficient margin with an approximately vertical to the surface of the sole and to the inguinal wedge (b) is, in which a bar insert (c) is arranged opposite the bar edges a distance suitable for clamping the upper leather, if necessary with lining (e) has. .