WOVEN FABRIC FOR NON-METALLIC SOLES FOR SAFETY FOOTWEAR, AND RESULTING SOLE

Abstract

The woven fabric of the invention is designed to be integrated into shoe soles, in order to produce safety footwear that provides a high level of protection and meets safety requirements in terms of puncture protection. For this purpose, the fabric consists of at least 60% high-tenacity yarns, said yarns having a titer of between 80 and 280 tex, and each yarn being formed by filaments having a fineness of between 1 and 6 Dtex. Thus, the fabric is formed by between 1 and 10 warps interwoven with between 5 and 10 wefts and produced by means of weaving, in order to produce a very compact fabric having high mechanical strength.

Claims

1: A warp and weft fabric for non-metal soles of safety footwear, comprising a monolayer composite fabric containing at least 60% high tenacity yarns, where the yarns have counts between 800 and 2800 Dtex, and where each yarn comprises filaments having a fineness between 1 and 6 Dtex, the fabric being formed by between 1 and 10 warps bound with between 5 and 10 wefts, obtaining a fabric having a thickness between 2.5 and 6 mm and mass per unit area between 2000 and 5000 g/m.sup.2, the strength thereof being greater than 1000 N as it is perforated by a steel nail between 2.5 and 5.0 mm in diameter and being manufactured by means of warp and weft weaving.

2: The warp and weft fabric for non-metal soles of safety footwear according to claim 1, wherein the high tenacity yarns are polyester yarns, polyamide yarns, polypropylene yarns or mixtures thereof.

3: The warp and weft fabric for non-metal soles of safety footwear according to claim 1, wherein it has in its weft and/or warp a multifilament made of synthetic polymer enveloped by a conductive yarn.

4: The warp and weft fabric for non-metal soles of safety footwear according to claim 1, wherein the fabric contains aramid fibers in a percentage between 1 and 40%.

5: The warp and weft fabric for non-metal soles of safety footwear according to claim 1, wherein it has a polymer resin coating deposited by a scraper on at least one of its faces, allowing the obtained fabric to provide greater mechanical strength.

6: An insole for footwear obtained based on the warp and weft fabric described according to claim 1.

Description

DESCRIPTION OF THE DRAWINGS

[0024] To complement the description that will be made below and for the purpose of aiding to better understand the features of the invention according to preferred practical embodiments thereof, a set of drawings is attached as an integral part of said description, in which the following is depicted with an illustrative and non-limiting character:

[0025] FIG. 1 shows a view of the arrangement of the weave structure for a fabric of the invention having as many as ten plies, according to an embodiment of the object of the present invention.

[0026] FIG. 2 shows a three-dimensional simulation of the fabric obtained based on the weave shown in FIG. 1.

[0027] FIG. 3 shows a view of the arrangement of the weave structure for a fabric of the invention having as many as eight plies, according to an embodiment of the object of the present invention.

[0028] FIG. 4 shows a three-dimensional simulation of the fabric obtained based on the weave shown in FIG. 3.

[0029] FIG. 5 shows a view of the arrangement of the weave structure for a fabric of the invention having as many as six plies, according to an embodiment of the object of the present invention.

[0030] FIG. 6 shows a three-dimensional simulation of the fabric obtained based on the weave shown in FIG. 5.

DETAILED DISCLOSURE OF THE INVENTION

[0031] The monolayer composite fabric of the invention is characterized by providing a very compact structure such that the larger the number of warps and wefts contained therein, the higher the manufacturing and material cost will be, but it will provide greater mechanical strength.

[0032] In all the embodiments shown, the fabric of the invention consists of several plies bound along the entire extension thereof and obtained during the actual warp and weft weaving without having to subsequently be assembled.

[0033] FIG. 1 therefore depicts the weave structure of the fabric of the invention having as many as ten plies, whereas FIG. 2 depicts the three-dimensional simulation of the weave of FIG. 1.

[0034] FIG. 2 therefore depicts 10 weft woven yarns (1) and 10 warp woven yarns (2) for the fabric having as many as ten plies. While it is true that it is not possible to clearly identify in the simulation obtained for this specific embodiment each of the 10 yarns forming the weft and the respective warp, it is due to the extent to which the mentioned yarns are compressed in a fabric having as many as ten plies.

[0035] FIG. 3 therefore depicts the weave structure of the fabric of the invention having as many as eight plies, whereas FIG. 4 depicts the three-dimensional simulation of the weave of FIG. 3.

[0036] FIG. 4 therefore depicts 8 weft woven yarns (1) and 8 warp woven yarns (2) for the fabric having as many as eight plies.

[0037] FIG. 5 therefore depicts the weave structure of the fabric of the invention having as many as six plies, whereas FIG. 6 depicts the three-dimensional simulation of the weave of FIG. 5.

[0038] FIG. 6 therefore depicts 6 weft woven yarns (1) and 6 warp woven yarns (2) for the fabric having as many as six plies.

[0039] Taffeta weave was applied to each ply in all cases and by means of the multiple-ply technique, they were overlaid until attaining the required number of plies and binding was performed along the entire extension thereof by means of passing the lower ply over yarns of the upper ply, thereby binding all the components of the ply, forming a single fabric.