FR2540360A1 - Softened elastic rubber sole for shoes - Google Patents

Abstract

Softened elastic rubber sole for shoes, characterised in that its surface 8 is provided with a multiplicity of slits 9 which are generally arranged transversely with respect to the shoe in the form of an undulated track, giving rise to the formation of sections of sole, in that each section is a continuous section extending from a point adjacent to an edge up to a point adjacent to the opposite edge, and in that the surfaces of these sections formed by the slits 9 are normally in contact when the outer sole is at rest.

Description

 The invention relates to a flexible elastic rubber sole for shoes.

 The basic idea of the invention is to increase the non-slip properties of rubber soles on wet surfaces and to facilitate their application to any type of footwear.

 These benefits or advantages are obtained by means of a plurality of simple incisions which generally extend through the sole in the form of wavy lines which prevent the sliding of the shoe both in the longitudinal direction and in the lateral direction, without the need to make incisions or separate slits in different directions.

 It is planned to obtain these Incisions with a loss of material as small as possible to allow constant contact against the walls and lips of the slit in normal position, while ensuring that at the slightest pressure exerted on the shoes these incisions present in contact with the ground a toothed surface produced due to the elevation of the angular zones formed by the wavy incision.

 I1 was also provided that the surface of the sole is provided within its periphery, a groove so that the multiplicity of slots which generally extend transversely to the shoe-shaped track wavy, end in this groove to form the sect: rm of the sole.

Other characteristics and advantages of the invention will be better understood on reading the description which follows of an exemplary embodiment and with reference to the accompanying drawings, in which
Figure i is a perspective view of the shoe.

 Figure 2 is a plan view of the rear part of the sole of the shoe.

 Figure 3 is a sectional view of the shoe along the line A-A 'of Figure 1.

 Figure 4 is a sectional view showing only the sole separated from the upper part.

 Figure 5 is a sectional view which shows a fabric reinforcement strip on the sole of the shoe.

 In the various figures, the reference 1 indicates the shoe on which a sole 2 of elastic material, for example rubber or imitation rubber, is applied to the welt or upper part by means of sewing stitches 3 which pass through the welt 4 and the sole 2.

 This sole has a recess or a groove 5 inside which is located the seam 3 for its connection to the welt 4.

 The edge 6 located between the rai @ ure 5 and the edge of the sole 7 is flat and devoid of slot, while the surface of the sole 8 itself is provided with corrugated slots 9 arranged transversely on the sole in the form of parallel lines and evenly separated.

Finally, in Figure 5 we can see that it is possible to include during the sole molding operation a piece of fabric 3.0 which acts as a reinforcement of the sole
Of course, various modifications can be made by those skilled in the art to the devices @ to the processes which have just been described solely by way of nonlimiting example, without departing from the scope of the invention.

Claims (4)

 1. Flexible elastic rubber sole for shoes, characterized in that its surface (8) is provided with a multiplicity of slots (9) which, in general, are arranged transversely with respect to the shoe in the form of a wavy track, giving rise to the formation of sole sections, in that each section is a continuous section which extends from a point adjacent to an edge to a point adjacent to the opposite edge, and in that the surfaces of these sections formed by the slits (9) are normally in contact when the outer sole is at rest, these slits penetrating partially inside the sole to leave an unsplit base and integrated into the sections, these slits having a separation and a depth such that the sections of the sole can be deformed by bending on the base without slots of the sole, to the point of deforming upwards by uncovering the angular zone of the section when the foot which carries the a shoe and which applies a weight to its surface tends to slide on a bearing surface with which the surface of the sole is in contact.  2. flexible elastic rubber sole for shoes, according to claim 1, characterized in that the slots (9) which form the sections of the sole penetrate inwardly thereof to a depth greater than the width of the section and only partially to leave a base without slots integrated into the sections.  3. flexible elastic rubber sole for shoes, according to claims 1 and 2, characterized in that there is provided on the surface of the sole a groove (5) inside a periphery, so that the multiplicity slots (9) generally arranged transversely to the shoe, in the form of a wavy track, terminate in this groove to form the sections of the sole, and in that each section is a continuous section which extends from the groove adjacent to one edge to the groove adjacent to the opposite edge.  4. Flexible elastic rubber sole for shoes, according to claims 1, 2 and 3, characterized in that a reinforcing element (10) of this sole is disposed at the location of this peripheral groove, to reinforce the sole in its connection zone with the upper part.