EP1613185B1 - Use of a puncture resistant textile structure for shoe soles - Google Patents
Use of a puncture resistant textile structure for shoe soles Download PDFInfo
- Publication number
- EP1613185B1 EP1613185B1 EP20040727364 EP04727364A EP1613185B1 EP 1613185 B1 EP1613185 B1 EP 1613185B1 EP 20040727364 EP20040727364 EP 20040727364 EP 04727364 A EP04727364 A EP 04727364A EP 1613185 B1 EP1613185 B1 EP 1613185B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fabric
- fibers
- aramidic
- layers
- textile structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004753 textile Substances 0.000 title claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 67
- 239000004744 fabric Substances 0.000 claims abstract description 51
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 11
- 239000002759 woven fabric Substances 0.000 claims abstract description 11
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 10
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 6
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims abstract description 3
- 239000003082 abrasive agent Substances 0.000 claims abstract 3
- -1 aluminum silicates Chemical class 0.000 claims abstract 2
- 229920000728 polyester Polymers 0.000 claims description 26
- 239000004952 Polyamide Substances 0.000 claims description 13
- 229920002647 polyamide Polymers 0.000 claims description 13
- 229920000271 Kevlar® Polymers 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 229920005749 polyurethane resin Polymers 0.000 claims description 5
- 229920002292 Nylon 6 Polymers 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 239000004761 kevlar Substances 0.000 claims 4
- 238000005524 ceramic coating Methods 0.000 claims 2
- 229920001225 polyester resin Polymers 0.000 abstract 1
- 239000004645 polyester resin Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 41
- 239000000203 mixture Substances 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000013047 polymeric layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/32—Footwear with health or hygienic arrangements with shock-absorbing means
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/026—Composites, e.g. carbon fibre or aramid fibre; the sole, one or more sole layers or sole part being made of a composite
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
- F41H5/04—Plate construction composed of more than one layer
- F41H5/0471—Layered armour containing fibre- or fabric-reinforced layers
- F41H5/0485—Layered armour containing fibre- or fabric-reinforced layers all the layers being only fibre- or fabric-reinforced layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
Definitions
- This invention concerns the use of a textile structure in the field of footwear, particularly safety footwear, which is required to have a high level of resistance to penetration by sharp objects such as nails and the like, especially through the sole.
- Document US 5480706 discloses a fire resistant multilayer complex ballistic resistant article comprising at least one first layer comprised a plurality of flammable fibers a first matrix and at least one second layer which is adjacent to said first layer which comprises a plurality of fire resistant fibers in a second matrix, wherein the second matrix comprises a fire retardant material and is different from the first matrix material.
- Document WO 01/68361 shows a flexible article of manufacture especially suitable for use as a ballistic resistant body armor which comprises two or more layers, at least one of said layers being a fibrous layer, and at least one of said layers being a polymeric layer in contact with and bound to all or portion of said fibrous layer.
- Document US 5677029 discloses a multilayered material for the protection of body parts from penetrating objects, comprising at least one energy-distributing layer and at least one energy-absorbing layer, as well as a protective insert for boots, a protective boot and a protective outer garment by using such a multilayered material.
- the main object of this invention is to provide a protective textile structure to be used in footwear, particularly shoe soles, which structure offers high resistance to piercing and penetration by sharp and pointed objects, while having limited thickness and weight, adequate flexibility and reduced cost.
- a further object of this invention is to provide a perforation-resistant textile structure that is also antistatic and/or resistant to high temperatures.
- a textile structure 10,10' resistant to perforation in conformity with the invention basically consists of a number of layers 12,14,12',14' of woven fabrics bonded together by means of a thermoplastic film.
- the structure consists of one or more layers 12,12' of woven aramidic fibers and one or more layers of high tenacity non-aramidic fibers (for example, polyamide, polyester, polyolefin, liquid crystal fibers) woven into a fabric structure.
- Each separate layer of fabric has, preferably on the right side, a treated surface 16 coated with a polyurethane and/or acrylic resin reinforced with powders of hard, abrasive substances, preferably micronized ceramic materials in the form of silicates, e.g. of aluminum.
- the layers of aramidic fibers can be individually alternated with layers of fabric in non-aramidic fibers.
- a first textile structure resistant to perforation consists of a multilayer structure 10 including a layer 12 of a woven fabric in aramidic fibers and, stacked on this layer 12, three layers 14 of a woven fabric in high tenacity polyester fiber.
- the layers are bonded together by means of a thermoplastic film. At least one side of each layer has been provided with a surface ceramic treatment 16.
- the layers of fabric 12,14 are treated on the right side of the surface, the layer of aramidic fabric 12 and the adjacent layer 14 of polyester fabric with the treated surface 16 being in contact, the remaining layers of polyester fabric having the treated surface in contact with the untreated surface of the adjacent layer.
- both outer surfaces of the multilayer structure 10 are untreated. It is also advantageous to use the structure described above inside the soles of footwear with the layer in aramidic fibers on the tread side.
- a structure usable in conformity with this invention has high mechanical resistance to perforation by pointed metal objects and impedes their progress through the layers of fabric.
- this structure is advantageously characterized by the fact of being composed in a proportion that does not exceed about 15 % by weight - of the total weight of the textile fibers used - of aramidic fibers, with the remaining part in high tenacity polyester fibers.
- the fabric produced in this way has a finished weight of 340 ⁇ 350 ⁇ 5% gr/sq.mt. with a composition by weight of approximately 80% Kevlar ®, 10% polyurethane, 5% acrylic, 5% aluminum silicate.
- the fabric produced in this way has a finished weight of 690 + 720 ⁇ 5% gr/sq.mt. with a composition by weight of approximately 86% polyester fibers, 7% polyurethane, 3.5% acrylic, 3.5% aluminum silicate.
- the weaves used make it possible to produce fabrics with very tightly woven yarns, making their structure highly cohesive to provide by their very construction a good resistance to penetration, while maintaining a high degree of flexibility.
- the compound weave used for the fabric in polyester fiber has been found to be particularly effective in the production of the multilayer structure 10.
- the bonding between the layers of fabric is obtained by hot calandering with the insertion of a thermoplastic film (polyolefin and/or polyurethane and/or polyester) between the layers of the structure; processing the combination with heat causes the bonding by merger of the ceramic material both with the thermoplastic film and with the surface layer of the adjacent fabric layer so as to obtain a single unit with a total thickness of not more than 3 mm and limited weight.
- a thermoplastic film polyolefin and/or polyurethane and/or polyester
- thermoplastic film made of polyester that is resistant to high temperatures
- a structure can be obtained that is particularly suitable for footwear designed to be used in the presence of high heat sources.
- the textile structure described above has a general composition of:
- Tests carried out on the structure have proven its effective resistance to a force of at least 1100N exerted by a nail, as foreseen by standards pr EN ISO 20344, EN 344/92 and EN 12568/98.
- the fabric in polyester fiber is in turn preferably produced with:
- FIG. 5 A second example of a textile structure resistant to perforation usable in conformity with the invention is schematically illustrated in Fig. 5 .
- the structure 10' includes two bonded multilayers 120,140, consisting of a first set of three stacked layers of a woven fabric 12' in aramidic fibers provided with a surface ceramic treatment 16 and a second set of three stacked layers of a woven fabric 14' in high tenacity polyamide provided with a surface ceramic treatment.
- at least two adjacent layers 12' of fabric in aramidic fibers or two adjacent layers of fabric 14' in polyamide fibers or the two adjacent layers of the multilayer structures 120,140 have the treated surfaces 16 in contact with each other so that both the outer surfaces (top and bottom) of the structure 10' are not treated.
- the fabric produced in this way has a finished weight of about 300 gr/sq.mt. with a composition by weight of 80% of polyamide fibers, 10% polyurethane, 5% acrylic, 5% aluminum silicate.
- a structure composed of three layers of fabric in aramidic fibers and three layers of fabric in high tenacity polyamide as described above, has a general composition of
- a textile structure capable of resisting penetration is also thermally insulating and can be used, in the traditional way, as a protective insert into soles which are applied to footwear by means of sewing or gluing.
- this structure is used in the production of footwear the sole of which is directly made on the upper by injection molding.
- this structure constitutes the insole, which is first sewn onto the upper after which the sole is injected. It has been ascertained, in fact, that the effective resistance to perforation and penetration of a nail, according to the terms of standard EN 344/92, does not prevent sewing the structure onto the upper, using needles of an appropriate type.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Ceramic Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Laminated Bodies (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Bedding Items (AREA)
- Knitting Of Fabric (AREA)
Abstract
Description
- This invention concerns the use of a textile structure in the field of footwear, particularly safety footwear, which is required to have a high level of resistance to penetration by sharp objects such as nails and the like, especially through the sole.
- There are known systems of composite structures used for shoe soles in safety footwear designed to protect the feet from sharp or pointed objects. Some of these systems use metal plates which, however, add weight and reduce the flexibility of the shoe. The high thermal conductivity of the metal plate also makes the shoes uncomfortable to wear under conditions of high temperature. In addition; there are further problems when they are worn in places subject to the surveillance of metal detectors.
- Document
US 5480706 discloses a fire resistant multilayer complex ballistic resistant article comprising at least one first layer comprised a plurality of flammable fibers a first matrix and at least one second layer which is adjacent to said first layer which comprises a plurality of fire resistant fibers in a second matrix, wherein the second matrix comprises a fire retardant material and is different from the first matrix material. - Document
WO 01/68361 - Document
US 5677029 discloses a multilayered material for the protection of body parts from penetrating objects, comprising at least one energy-distributing layer and at least one energy-absorbing layer, as well as a protective insert for boots, a protective boot and a protective outer garment by using such a multilayered material. - Other systems make use of layers of fabrics made of aramidic fibers bonded together by a film of thermoplastic polymers (see, for example, patent
US6368989 ). The difficulty with protective panels of this kind is that they are very expensive, due to the use of aramidic fibers only. - The main object of this invention, therefore, is to provide a protective textile structure to be used in footwear, particularly shoe soles, which structure offers high resistance to piercing and penetration by sharp and pointed objects, while having limited thickness and weight, adequate flexibility and reduced cost.
- A further object of this invention is to provide a perforation-resistant textile structure that is also antistatic and/or resistant to high temperatures.
- These objects are achieved with the use of a perforation-resistant textile structure in conformity with enclosed claim1. Advantageous forms of implementation of the invention are defined in the dependent claims.
- The advantages and technical characteristics of the invention will appear clear from the following detailed description of two non-limiting examples of its implementation.
- In the drawings:
-
Fig. 1 is a schematic illustration of a first textile structure in conformity with the invention; -
Fig. 2 shows the polyester fabric used in the structure ofFig. 1 ; -
Fig. 3 and4 illustrate, respectively, the profile of the warp and weft of the fabric inFig. 2 ; -
Fig. 5 is a schematic illustration of a second textile structure in conformity with the invention. - With reference to
Fig. 1 and 5 , atextile structure 10,10' resistant to perforation in conformity with the invention basically consists of a number oflayers more layers 12,12' of woven aramidic fibers and one or more layers of high tenacity non-aramidic fibers (for example, polyamide, polyester, polyolefin, liquid crystal fibers) woven into a fabric structure. Each separate layer of fabric has, preferably on the right side, a treatedsurface 16 coated with a polyurethane and/or acrylic resin reinforced with powders of hard, abrasive substances, preferably micronized ceramic materials in the form of silicates, e.g. of aluminum. - In the structure, the layers of aramidic fibers can be individually alternated with layers of fabric in non-aramidic fibers.
- Two textile structures, as described more in detail hereafter, have been found to be particularly effective as well as practical to produce.
- With reference to
Figures 1 to 4 , a first textile structure resistant to perforation consists of amultilayer structure 10 including alayer 12 of a woven fabric in aramidic fibers and, stacked on thislayer 12, threelayers 14 of a woven fabric in high tenacity polyester fiber. The layers are bonded together by means of a thermoplastic film. At least one side of each layer has been provided with a surfaceceramic treatment 16. - Advantageously, the layers of
fabric aramidic fabric 12 and theadjacent layer 14 of polyester fabric with the treatedsurface 16 being in contact, the remaining layers of polyester fabric having the treated surface in contact with the untreated surface of the adjacent layer. In this way, both outer surfaces of themultilayer structure 10 are untreated. It is also advantageous to use the structure described above inside the soles of footwear with the layer in aramidic fibers on the tread side. - Thanks to the coating of ceramic material on the individual layers of fabric, a structure usable in conformity with this invention has high mechanical resistance to perforation by pointed metal objects and impedes their progress through the layers of fabric.
- In addition, this structure is advantageously characterized by the fact of being composed in a proportion that does not exceed about 15 % by weight - of the total weight of the textile fibers used - of aramidic fibers, with the remaining part in high tenacity polyester fibers. This greatly reduces the production costs with respect to structures consisting entirely of aramidic fibers, maintaining it on the order of the production costs of structures consisting of metal plates, over which it has the advantage of being highly flexible.
- In the practical implementation of a protective structure in conformity with the invention, it has been found to be particularly advantageous to select
fabrics multilayer structure 10 described above in the following way. - Fabric in aramidic fibers:
- plain weave;
- warp yarns in aramidic fibers, specifically Kevlar® 730 dtex, density 19 ± 2% per cm;
- weft yarns in aramidic fibers, specifically Kevlar® 730 dtex, density 15 ± 2% per cm;
- ceramic surface layer applied by coating with 90 ÷ 120 gr/sq.mt. of a compound consisting of 50% polyurethane resin, 25% acrylic resin, and 25% aluminum silicate.
- The fabric produced in this way has a finished weight of 340 ÷ 350 ± 5% gr/sq.mt. with a composition by weight of approximately 80% Kevlar ®, 10% polyurethane, 5% acrylic, 5% aluminum silicate.
- Fabric in polyester fibers:
- compound weave (illustrated in
Figures 2 to 4 ), made up of two simple weaves 3X3; - warp yarns in high tenacity (H.T.) polyester fiber 1100 dtex, density 22 ± 2% per cm;
- weft yarns in high tenacity polyester fiber 1100 dtex, density 29 ± 2% per cm;
- ceramic surface layer applied by coating with 90 + 120 gr/sq.mt.
- The fabric produced in this way has a finished weight of 690 + 720 ± 5% gr/sq.mt. with a composition by weight of approximately 86% polyester fibers, 7% polyurethane, 3.5% acrylic, 3.5% aluminum silicate.
- The weaves used make it possible to produce fabrics with very tightly woven yarns, making their structure highly cohesive to provide by their very construction a good resistance to penetration, while maintaining a high degree of flexibility.
- In particular, the compound weave used for the fabric in polyester fiber has been found to be particularly effective in the production of the
multilayer structure 10. - The bonding between the layers of fabric is obtained by hot calandering with the insertion of a thermoplastic film (polyolefin and/or polyurethane and/or polyester) between the layers of the structure; processing the combination with heat causes the bonding by merger of the ceramic material both with the thermoplastic film and with the surface layer of the adjacent fabric layer so as to obtain a single unit with a total thickness of not more than 3 mm and limited weight.
- Advantageously, using thermoplastic film made of polyester that is resistant to high temperatures, a structure can be obtained that is particularly suitable for footwear designed to be used in the presence of high heat sources.
- The textile structure described above has a general composition of:
- aramidic fibers by weight in a percentage of approximately 12%.;
- high tenacity polyester fibers by weight in a percentage of approximately 73%.;
- surface treatment in ceramic by weight in a percentage of approximately 15%.
- total weight 2435 ÷ 2555 ± 5% gr/sq.mt..
- Tests carried out on the structure have proven its effective resistance to a force of at least 1100N exerted by a nail, as foreseen by standards pr EN ISO 20344, EN 344/92 and EN 12568/98.
- By inserting electrically conductive wires in the fabric of the aramidic fibers and in the fabrics in non-aramidic fibers composing the multilayer structure, an antistatic structure is obtained which can be used in footwear for which this feature is required.
- In particular, it is advantageous to produce the fabric in aramidic fibers with:
- the warp yarns consisting, every 74 threads, of a first yarn repeated 73 times in Kevlar® 730 dtex and a second yarn repeated once in high tenacity polyamide 180 dtex in two ply twisted with a filament in stainless steel measuring 60 micron in diameter (a composition thus consisting of 82% polyamide and 18% stainless steel);.
- the weft yarns consisting, every 56 wefts, of a first weft repeated 55 times in Kevlar® 730 dtex 730 and a second weft repeated once in polyamide and steel as described above.
- The fabric in polyester fiber is in turn preferably produced with:
- 23 ± 2% warp threads per cm consisting, every 24 threads, of a first yarn repeated 23 times in polyester H.T. 1100 dtex and a second thread repeated once in polyester H.T. 1100 dtex plus a twisted filament of carbon (or steel) 24 dtex (final composition 95
% polyester 5% carbon); - 25.5 ± 2% weft yarns per cm consisting, every 30 wefts, of a first weft repeated 28 times in polyester H.T. 1100 dtex and a second weft repeated twice in polyester H.T. and carbon as described above.
- A second example of a textile structure resistant to perforation usable in conformity with the invention is schematically illustrated in
Fig. 5 . - In this case the structure 10' includes two bonded multilayers 120,140, consisting of a first set of three stacked layers of a woven fabric 12' in aramidic fibers provided with a surface
ceramic treatment 16 and a second set of three stacked layers of a wovenfabric 14' in high tenacity polyamide provided with a surface ceramic treatment. Advantageously, at least two adjacent layers 12' of fabric in aramidic fibers or two adjacent layers offabric 14' in polyamide fibers or the two adjacent layers of the multilayer structures 120,140 have the treated surfaces 16 in contact with each other so that both the outer surfaces (top and bottom) of the structure 10' are not treated. - In practical implementation, it has been found to be particularly advantageous to select the fabrics forming the multilayer structures 120,140 described above in the following way.
- Fabric in aramidic fibers: as in the first example described above.
- Fabric in polyamide fibers:
- weft rep weave;
- warp yarns in polyamide 6:6 high tenacity fiber, 200 dtex, taslanized and density 62 per cm;
- weft yarns in high tenacity nylon 6:6, 636 dtex, taslanized and density 16.5 per cm;
- surface layer of ceramic applied by coating of 60 gr/sq.mt. of the same compound described above.
- The fabric produced in this way has a finished weight of about 300 gr/sq.mt. with a composition by weight of 80% of polyamide fibers, 10% polyurethane, 5% acrylic, 5% aluminum silicate.
- A structure composed of three layers of fabric in aramidic fibers and three layers of fabric in high tenacity polyamide as described above, has a general composition of
- aramidic fibers by weight in a percentage of approximately 38%.;
- high tenacity polyamide fibers by weight in a percentage of approximately 34%.;
- ceramic surface treatment by weight in a percentage of approximately 18%.;
- total weight approximately 2200 gr/sq.mt.
- A textile structure capable of resisting penetration, as described in the above examples, is also thermally insulating and can be used, in the traditional way, as a protective insert into soles which are applied to footwear by means of sewing or gluing.
- According to the invention, this structure is used in the production of footwear the sole of which is directly made on the upper by injection molding. In Strobel type footwear, this structure constitutes the insole, which is first sewn onto the upper after which the sole is injected. It has been ascertained, in fact, that the effective resistance to perforation and penetration of a nail, according to the terms of standard EN 344/92, does not prevent sewing the structure onto the upper, using needles of an appropriate type.
- The invention thus conceived is susceptible to numerous alterations and variations within the scope of the appended claims.
Claims (14)
- Use of a textile structure resistant to perforation in the production of footwear in which the sole is directly produced on the upper by injection molding, as an insole that is first sewn to the upper of the footwear, wherein said textile structure (10) comprises one or more layers (12, 12') of woven aramidic fibers and one or more layers (14, 14') of high tenacity woven non-aramidic fibers, said layers being bonded together by means of thermoplastic film, each individual woven layer being treated by coating with a polyurethane and/or acrylic resin enriched with powders of hard and abrasive materials.
- Use of a textile structure according to claim 1 wherein said hard and abrasive materials are ceramic materials, preferably micronized and in the form of silicates.
- Use of a textile structure according to claim 2 wherein said micronized ceramic materials are aluminum silicates.
- Use of a textile structure according to one of the claims from 1 to 3, wherein a multilayer structure includes a first layer of a woven fabric made of aramidic fibers and, stacked on the first layer, three layers of a woven fabric made of high tenacity polyester fibers, the layers being bonded together by means of thermoplastic film and at least one side of each layer being provided with a surface ceramic treatment.
- Use of a textile structure according to claim 4, wherein the layer of aramidic fabric and the adjacent layer of polyester fabric have the treated surfaces placed in contact, the remaining layers of polyester fabric having the treated surface in contact with the untreated surface of the adjacent layer.
- Use of a textile structure according to claim 4, wherein not more than 15-20% by weight of the total by weight of the textile fibers used consists of aramidic fibers.
- Use of a textile structure according to claim 5, wherein:- the fabric in aramidic fibers is a plain weave fabric having warp yarns in aramidic fibers, specifically Kevlar® 730 dtex, 19 yarns per cm, and weft yarns in aramidic fiber, specifically Kevlar® 730 dtex, 15 yarns per cm, coated on the right side with 90-120 gr/sq. mt. of a compound consisting of 50% polyurethane resin, 25% acrylic resin, 25% aluminum silicate;- the fabric in polyester fiber is a compound weave fabric, made up of two simple weaves 3X3, with the warp and weft yarns in polyester H.T. 1100 dtex, 22 per cm and 29 per cm respectively, and is coated on one side with said compound.
- Use of a textile structure according to one of the claims from 4 to 7, wherein electrically conductive wires are inserted in the fabric in aramidic fibers and in the fabric in high tenacity non-aramidic fibers composing said multilayer structure.
- Use of a textile structure according to one of the claims from 1 to 3, wherein the layers of fabric in aramidic fibers are individually alternated with those in high tenacity non- aramidic fibers.
- Use of a textile structure according to one of the claims from 1 to 3, wherein two multilayer structures of fabric are bonded, one consisting of three stacked layers of a woven fabric in aramidic fibers treated on the surface with a ceramic coating and the second consisting of three layers of a woven fabric in high tenacity polyamide fibers treated on the surface with a ceramic coating.
- Use of a textile structure according to claim 10, wherein two adjacent layers of fabric in aramidic fibers or two adjacent layers of fabric in polyamide fibers, or the two adjacent layers of the multilayer structures have the treated surfaces in contact, the external surfaces on the top and bottom of the structure being not treated.
- Use of a textile structure according to claim 10, wherein not more than 50-60% by weight of the total weight of the textile fibers used consists of aramidic fibers.
- Use of a textile structure according to claim 10, wherein:- the fabric in aramidic fibers is a plain weave fabric, having the warp yarns in aramidic fiber, specifically Kevlar® 730 dtex, 19 yarns per cm and weft yarns in aramidic fiber, specifically Kevlar® 730 dtex, 15 yarns per cm, coated on the right side with 90-120 gr/sq.mt. of a compound consisting of 50% polyurethane resin, 25% acrylic resin,25% aluminum silicate;- the fabric in polyamide fibers is a weft rep weave fabric, having warp yarns in high tenacity polyamide 6:6 fiber, 200 dtex, taslanized, 62 per cm, and weft yarns in high tenacity Nylon 6:6, 636 dtex, taslanized, 16.5 per cm., coated on the right side with 60gr/sq. mt. of said compound.
- Use: of a textile structure according to claim 1, wherein the aforementioned thermoplastic films are made of polyester which resists to high temperatures.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITPO20030005 ITPO20030005A1 (en) | 2003-04-14 | 2003-04-14 | PERFORATION RESISTANT TEXTILE STRUCTURE ESPECIALLY FOR SHOE SOLES |
PCT/IT2004/000208 WO2004089143A2 (en) | 2003-04-14 | 2004-04-14 | Puncture resistant textile structure, especially for shoe soles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1613185A2 EP1613185A2 (en) | 2006-01-11 |
EP1613185B1 true EP1613185B1 (en) | 2008-07-02 |
Family
ID=33156359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20040727364 Expired - Lifetime EP1613185B1 (en) | 2003-04-14 | 2004-04-14 | Use of a puncture resistant textile structure for shoe soles |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060211318A1 (en) |
EP (1) | EP1613185B1 (en) |
CN (1) | CN1787755A (en) |
AT (1) | ATE399483T1 (en) |
CA (1) | CA2521626A1 (en) |
DE (1) | DE602004014749D1 (en) |
IT (1) | ITPO20030005A1 (en) |
WO (1) | WO2004089143A2 (en) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
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GB0329813D0 (en) | 2003-12-23 | 2004-01-28 | Terra Plana Internat Ltd | Footwear |
DE102005050861B4 (en) * | 2005-10-24 | 2015-06-18 | Gerlinger Industries Ag | Shock resistant shoe sole |
ITMI20052019A1 (en) * | 2005-10-24 | 2007-04-25 | Lanzi Egisto S P A | ACCIDENT PREVENTION INSOLE |
ES2276614B2 (en) * | 2005-10-27 | 2008-10-16 | Main Style, S.L. | ANTI-PERFORATION FABRIC. |
EP1780004A1 (en) | 2005-10-27 | 2007-05-02 | Main Style, S.L. | Anti-perforation fabric |
ITMI20061830A1 (en) * | 2006-09-26 | 2008-03-27 | Lenzi Egisto Spa | ACCIDENT PREVENTION INSOLE |
US20090000148A1 (en) * | 2007-06-26 | 2009-01-01 | Lacrosse Footwear, Inc. | Puncture resistant footbed |
EP2064965A1 (en) * | 2007-11-27 | 2009-06-03 | Wellmax Products Co., Ltd. | Piercing resistive planar member |
TW201014710A (en) * | 2008-10-13 | 2010-04-16 | Tiong Liong Ind Co Ltd | Puncture alleviating material |
US20130143460A1 (en) * | 2010-06-15 | 2013-06-06 | Tyr Tactical, Llc | High performance composite fabric |
IT1402017B1 (en) * | 2010-10-11 | 2013-08-28 | Pro Systems S P A | COMPOSITE MATERIAL FOR BALLISTIC PROTECTION AND ITS PREPARATION PROCEDURE. |
CH705638A2 (en) * | 2011-10-10 | 2013-04-15 | Schoeller Textil Ag | Throughsole shoe insole and methods of making. |
US8883661B2 (en) | 2011-11-18 | 2014-11-11 | Pro-Systems S.P.A. | Composite material for ballistic protection and relative method of preparation |
CN102493202A (en) * | 2011-12-01 | 2012-06-13 | 山东三达科技发展公司 | Composite puncture-proof sheet and bulletproof puncture-proof composite material |
US9668539B2 (en) * | 2012-02-09 | 2017-06-06 | Simon La Rochelle | Footwear with sole protection |
WO2014200465A1 (en) * | 2013-06-11 | 2014-12-18 | Honeywell International Inc. | Perforation-resistant flexible insert for garment or footwear |
EP3089610B1 (en) * | 2014-01-03 | 2020-05-27 | Vibram S.p.A. | Sole resistant to perforation and method of manufacturing thereof |
US10463106B2 (en) * | 2014-02-13 | 2019-11-05 | Nike, Inc. | Sole assembly with textile shell and method of manufacturing same |
WO2017058419A1 (en) | 2015-10-02 | 2017-04-06 | Nike Innovate C.V. | Plate with foam for footwear |
JP7240876B2 (en) | 2015-10-02 | 2023-03-16 | ナイキ イノベイト シーブイ | board for footwear |
CN105231565B (en) * | 2015-10-20 | 2018-01-16 | 杭州华水布艺有限公司 | A kind of anti-stab protective fabric containing ice-cold material |
EP3383638A1 (en) | 2015-12-02 | 2018-10-10 | Carbitex, Inc. | Joined fiber-reinforced composite material assembly with tunable anisotropic properties |
US10798992B2 (en) | 2016-07-20 | 2020-10-13 | Nike, Inc. | Footwear plate |
CN106724675A (en) * | 2016-12-06 | 2017-05-31 | 太仓大唐化纤厂 | A kind of wear-resisting antistatic carpet |
ES2608962B2 (en) * | 2017-01-12 | 2017-10-06 | Antonio Morón De Blas, S.L. | Draft fabric for non-metallic plants of safety footwear and insole obtained |
IT201700051624A1 (en) * | 2017-05-12 | 2018-11-12 | U Invest S R L | SAFETY SAFETY SHOE. |
KR102247685B1 (en) * | 2017-09-28 | 2021-04-30 | 코오롱인더스트리 주식회사 | Puncture-resistant sole for shoe and method of manufacturing the same |
US11344078B2 (en) | 2018-04-16 | 2022-05-31 | Nike, Inc. | Outsole plate |
CN110868882B (en) | 2018-04-16 | 2021-09-21 | 耐克创新有限合伙公司 | Shoe outer sole plate |
US11109639B2 (en) | 2018-05-23 | 2021-09-07 | Carbitex, Inc. | Footwear insert formed from a composite assembly having anti-puncture and anisotropic properties |
CN111150172A (en) * | 2019-12-24 | 2020-05-15 | 温州市巨伦鞋业有限公司 | Anti-puncture sole of labor protection shoes and preparation method thereof |
CN111890758B (en) * | 2020-07-24 | 2023-04-07 | 江西棱志特种材料有限公司 | Weaving process of three-dimensional anti-puncture cloth based on multi-layer binding |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5677029A (en) * | 1990-11-19 | 1997-10-14 | Alliedsignal Inc. | Ballistic resistant fabric articles |
US5480706A (en) * | 1991-09-05 | 1996-01-02 | Alliedsignal Inc. | Fire resistant ballistic resistant composite armor |
IL114627A (en) * | 1994-07-28 | 1999-03-12 | Akzo Nobel Nv | Protective clothing against stab and projectile wounds |
US6368989B1 (en) * | 1999-01-12 | 2002-04-09 | E. I. Du Pont De Nemours And Company | Puncture resistant composite |
WO2001051263A1 (en) * | 2000-01-14 | 2001-07-19 | Spectrum Medsystems, Inc. | Safety shoes and other protective articles comprising a fabric-plastic composite and their methods of manufacture |
AT408918B (en) * | 2000-03-14 | 2002-04-25 | Astron Elastomerprodukte Ges M | MULTILAYER MATERIAL FOR PROTECTING BODY PARTS |
-
2003
- 2003-04-14 IT ITPO20030005 patent/ITPO20030005A1/en unknown
-
2004
- 2004-04-14 AT AT04727364T patent/ATE399483T1/en not_active IP Right Cessation
- 2004-04-14 US US10/552,534 patent/US20060211318A1/en not_active Abandoned
- 2004-04-14 CN CNA2004800099577A patent/CN1787755A/en active Pending
- 2004-04-14 EP EP20040727364 patent/EP1613185B1/en not_active Expired - Lifetime
- 2004-04-14 DE DE200460014749 patent/DE602004014749D1/en not_active Expired - Fee Related
- 2004-04-14 CA CA 2521626 patent/CA2521626A1/en not_active Abandoned
- 2004-04-14 WO PCT/IT2004/000208 patent/WO2004089143A2/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CA2521626A1 (en) | 2004-10-21 |
WO2004089143A2 (en) | 2004-10-21 |
ATE399483T1 (en) | 2008-07-15 |
EP1613185A2 (en) | 2006-01-11 |
CN1787755A (en) | 2006-06-14 |
US20060211318A1 (en) | 2006-09-21 |
ITPO20030005A1 (en) | 2004-10-15 |
WO2004089143A3 (en) | 2004-11-18 |
DE602004014749D1 (en) | 2008-08-14 |
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