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US20010008053A1 - Vibration absorbing device, particularly for shoes or sports implements - Google Patents

Vibration absorbing device, particularly for shoes or sports implements Download PDF

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Publication number
US20010008053A1
US20010008053A1 US09757591 US75759101A US20010008053A1 US 20010008053 A1 US20010008053 A1 US 20010008053A1 US 09757591 US09757591 US 09757591 US 75759101 A US75759101 A US 75759101A US 20010008053 A1 US20010008053 A1 US 20010008053A1
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Prior art keywords
device
mesh
according
materials
fig
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.)
Abandoned
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US09757591
Inventor
Nicola Belli
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Benetton Group SpA
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Benetton Group SpA
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    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B1/00Footwear characterised by the material
    • A43B1/02Footwear made of animal or plant fibres or fabrics made therefrom
    • A43B1/04Braided, knotted, knitted, or crocheted footwear
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole and heel units
    • A43B13/14Soles; Sole and heel units characterised by the constructive form
    • A43B13/18Resilient soles
    • A43B13/181Resiliency achieved by the structure of the sole
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B21/00Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/10Open-work fabrics
    • D04B21/12Open-work fabrics characterised by thread material
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00Details of fabric structure established in the fabric forming process
    • D10B2403/01Surface features
    • D10B2403/012Alike front and back faces
    • D10B2403/0122Smooth surfaces, e.g. laminated or coated
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00Details of fabric structure established in the fabric forming process
    • D10B2403/02Cross-sectional features
    • D10B2403/021Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00Details of fabric structure established in the fabric forming process
    • D10B2403/02Cross-sectional features
    • D10B2403/022Lofty fabric with variably spaced front and back plies, e.g. spacer fabrics
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00Wearing apparel
    • D10B2501/04Outerwear; Protective garments
    • D10B2501/043Footwear

Abstract

A vibration absorbing device, particularly for use in shoes or sports implements, is constituted by a mesh which has a vertical warp and two faces, has no filling, is elastically deformable and is embedded or coated with at least one layer of plastic material which is adapted to change its deformability.

Description

    BACKGROUND OF THE INVENTION
  • [0001]
    The present invention relates to a device for absorbing vibrations, particularly for use in footwear, such as for example shoes, climbing boots, ski boots or trekking boots, or in sports implements, including for example skates, skis and tennis racquets.
  • [0002]
    Conventional devices for absorbing vibrations are currently commercially available and are mainly applied in sports shoes for tennis, basketball or running.
  • [0003]
    In particular, vibration absorbing devices are widely used for reducing the shocks caused by the impact of the shoe against the ground during sports activity.
  • [0004]
    These conventional devices are generally constituted by one or more cavities or cells formed for example inside the sole of the shoe, usually in the heel region, which contain air or optionally viscous fluid substances, commonly known as gels, constituted by silicone foam or by other synthetic substances.
  • [0005]
    Other conventional devices, also used in the sole of sports shoes, are constituted by thin layers of elastically compressible material or by honeycomb cells which contain air or gel.
  • [0006]
    EP no. 878142 discloses an insole for sports shoes which comprises an insole made of soft elastic material and of an undulated layer which is arranged inside said insole at least in the heel region.
  • [0007]
    The amplitude and wavelength of the undulated layer can be variable both along the longitudinal axis, from the front edge to the rear edge, and between the median region and the lateral ends of said heel region, thus entailing a range of different stability and damping solutions.
  • [0008]
    In the field of sports implements, vibration damping is achieved for example by adopting, in tennis racquets, internally hollow frames or handles with layers of soft or elastically compressible material associated therewith.
  • [0009]
    In the shoe manufacturing field, solutions are currently known which are adapted to reduce the transmission of stresses to the foot caused by vibrations transmitted by the skiing surface, by the supporting surface, or due to skating and others: these solutions consist in providing specific fixed inserts which are made of a single material of varying softness which is arranged for example in a plurality of parts of the boot or shoe or skate or sports implement according to chosen dimensions.
  • [0010]
    It is evident that the use of these devices is designed to optimize the performance of the shoes and sports implements to which they are applied, and their cushioning characteristic is added to the inherent characteristic of the shoe or implement, whose performance must be optimized per se.
  • [0011]
    All the cited conventional devices, however, have the drawback that they must be manufactured and optimized exclusively for a specific use, i.e., studied and designed for a given shoe or sports implement.
  • [0012]
    The use of these conventional devices accordingly has the drawback of requiring a diversified, and therefore expensive, design and manufacturing commitment in the development of each implement or shoe.
  • SUMMARY OF THE INVENTION
  • [0013]
    The aim of the present invention is to solve the mentioned problems, eliminating the drawbacks of the cited prior art, by providing a vibration absorbing device whose basic structure is substantially constant as its applications vary, thus being able to provide simply and rapidly vibration absorbing devices which can be used in different types of shoe or sport implement.
  • [0014]
    Within the scope of this aim, an object is to provide a device which can be manufactured by using conventional methods, allowing to vary the characteristics of the product simply and rapidly.
  • [0015]
    Another object is to provide a device which is reliable and safe in use and can be manufactured at low costs by means of conventional machines and equipment.
  • [0016]
    This aim and these and other objects which will become better apparent hereinafter are achieved by a vibration absorbing device characterized in that it is constituted by a mesh which has a vertical warp with two faces, contains no filling, is elastically deformable and is embedded or coated with at least one layer of plastic material which is adapted to modify its deformability.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • [0017]
    Further characteristics and advantages of the invention will become better apparent from the following detailed description of a particular embodiment thereof, illustrated only by way of non-limitative example in the accompanying drawings, wherein:
  • [0018]
    [0018]FIG. 1 is a plan view of a first type of mesh;
  • [0019]
    [0019]FIG. 2 is a plan view of a second type of mesh;
  • [0020]
    [0020]FIG. 3 is a side view of the warp of a mesh;
  • [0021]
    [0021]FIGS. 4 and 5 are sectional views, taken along a transverse plane, of a thread of the mesh, shown respectively without and with coating;
  • [0022]
    [0022]FIG. 6 is a side view of a shoe which uses the device according to the invention;
  • [0023]
    [0023]FIGS. 7 and 8 are plan views of, respectively, a first absorbing device and a second absorbing device which are applied to a shoe and have been illustrated for the sake of clarity although they are embedded in the sole;
  • [0024]
    [0024]FIG. 9 is a side view of a skate which uses the device according to the invention;
  • [0025]
    [0025]FIG. 10 is a front view of a detail of the skate;
  • [0026]
    [0026]FIGS. 11, 12 and 13 are front sectional views of three types of device applied to three different skis.
  • [0027]
    [0027]FIG. 14 is a side view of a shoe provided with the device according to the invention.
  • [0028]
    [0028]FIG. 15 is a bottom view of an inner sole provided with the device according to the invention;
  • [0029]
    [0029]FIG. 16 is a bottom view of a further inner sole provided with the device according to the invention;
  • [0030]
    [0030]FIG. 17 is a side view of a shoe provided with the device according to the invention;
  • [0031]
    [0031]FIG. 18 is a bottom view of a shoe provided with the device according to the invention;
  • [0032]
    [0032]FIG. 19 is a side view of a ski boot provided with the device according to the invention;
  • [0033]
    [0033]FIG. 20 is a side view of an inner sole, for a ski boot, provided with the device according to the invention;
  • [0034]
    [0034]FIG. 21 is a bottom view of the inner sole of the preceding figure.
  • DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • [0035]
    With reference to the figures, the reference numeral 1 designates a vibration absorbing device which has a mesh 2 constituted by a woven fabric with a vertical warp and two faces.
  • [0036]
    Said faces are made of two strips of mesh, designated by the reference numerals 3 a and 3 b, which are spaced one another.
  • [0037]
    A plurality of filler threads, generally designated by the reference numeral 4, lie between said strips 3 a and 3 b and are straight and joined in said strips of mesh 3 a and 3 b.
  • [0038]
    A spacer mesh, as disclosed in EP no. 529,671, for the provision of a laminated textile material, can be used as mesh 2.
  • [0039]
    Mesh 2 has no filling and is elastically deformable.
  • [0040]
    Mesh 2 can be made of many materials, such as for example natural fibers (wool, cotton, etc.); synthetic fibers (polyester, acrylic or other fibers, including the one known by the trade-name Nylon); metallic fibers (steel, titanium, copper, nickel, etc.); engineering fibers (carbon, aramid fibers or others, including for example those known by the trade-names Kevlar, Nomex and Dyneema); said materials can also be used individually or in combination (for example carbon/titanium) by varying the pattern and thickness of the mesh in order to achieve the best performance for the specific application.
  • [0041]
    [0041]FIGS. 1 and 2 illustrate two different patterns for the weft of said mesh 2: in the first pattern, the plan shape of the loops is oval and pointed at the ends or lanceolate; in the second pattern, the loops have a honeycomb shape.
  • [0042]
    The vibration absorbing device 1 is obtained starting from said mesh 2, by embedding it or coating one or more threads by means of at least one layer, designated by the reference numeral 5, of plastics.
  • [0043]
    Said layer is adapted to modify the overall deformability of said mesh 2 according to the characteristics that the absorbing device 1 is required to have, so that the mesh 2 acts substantially as an elastically deformable support which gives the appropriate shape to said device 1.
  • [0044]
    The materials that can be used to fill the interspaces of said mesh 2 or for coating said threads 4 and/or said strips of mesh 3 a and 3 b can advantageously consist of appropriate foamed or non-foamed plastic materials, thus determining the characteristics of said device 1.
  • [0045]
    It is possible to use polyurethane materials or polyurethane foams, urethane foams, polyisocyanide foams, polystyrene materials or foams, polyethylene foams, polyvinyl chloride materials or foams, polyolefin materials or foams, epoxy resins and foams, urea-formaldehyde foams, latex or foamed latex, foamed rubber, silicone foams, fluoropolymer foams, ethyl vinyl acetate or foamed ethyl vinyl acetate, gel or foamed gel, synthetic foams, polyolefin materials, polystyrene materials, polymethylacrylate materials, polyamide materials, phenolic or creolin resins, urea resins, melaminic resins, polyimide materials.
  • [0046]
    The materials and the dimensional structure of the mesh and of the coating may of course be combined, so long as they are compatible, thus obtaining a different performance according to the specific application.
  • [0047]
    [0047]FIGS. 6, 7 and 8 illustrate a shoe, designated by the reference numeral 6, which is constituted by an upper 7 rigidly coupled to an underlying sole 8, in which two devices 1 have been inserted in the heel region and in the metatarsal and toe region.
  • [0048]
    The shoe may be provided with openings or transparent portions allowing a view of the device.
  • [0049]
    [0049]FIGS. 9 and 10 illustrate a skate, designated by the reference numeral 9, which is constituted by a soft innerboot 10 which is associated with a rigid shell 11.
  • [0050]
    Said shell 11 is connected in a downward region, with two interposed devices 1 arranged respectively in the heel region and in the metatarsal region, to a rigid frame 12 whose transverse cross-section is shaped like an inverted U and to which four in-line wheels, designated by the reference numeral 13, are pivoted.
  • [0051]
    [0051]FIGS. 11, 12 and 13 illustrate three different skis, designated by the reference numerals 14 a, 14 b and 14 c respectively, all of which comprise an internal seat 15 a, 15 b and 15 c which is closed in an upward region and laterally by an external covering, technically known as cap, which is designated by the reference numerals 16 a, 16 b and 16 c.
  • [0052]
    In a downward region, the inner seat 15 a, 15 b and 15 c is formed by a base 17 which is advantageously flat for sliding on snow and is laterally associated with the outer covering and/or with a pair of preferably metallic laminae designated by the reference numerals 18 a and 18 b.
  • [0053]
    The inner seat 15 a, 15 b, 15 c of said skis 14 a, 14 b and 14 c can advantageously include in part or all of its volume (see FIG. 11) said device 1, in which there is a mesh 2 of appropriate dimensions which is embedded or covered by an adapted material, for example polyurethane.
  • [0054]
    Said skis 14 a, 14 b and 14 c can be produced simply by inserting said mesh 2 in the structure of said ski, subsequently embedding said mesh with an injection of appropriate material.
  • [0055]
    The uses of the device are as follows: with reference to FIG. 6, it can be used for example in the sole of a shoe as a shock absorber, i.e., to absorb the shocks produced by the impact of the foot against the ground; or it can be used, advantageously by using a different filling material, as an element for separating the shell and the frame of a skate, in order to reduce the stresses transmitted to the foot and produced by the bumps in the ground.
  • [0056]
    By using a different material for the filler layer, said device can be used in other ways, and in other applications, such as for example for skiing, ski boots, tennis racquets, etcetera.
  • [0057]
    [0057]FIG. 14 illustrates a shoe 106 provided with a vibration absorbing device 101 which occupies almost the entire length of the sole 108 of the shoe and is embedded thereto.
  • [0058]
    [0058]FIG. 15 illustrate an innersole 210 provided with two devices 201 at the tip and heel regions thereto.
  • [0059]
    [0059]FIG. 16 illustrate an innersole 310 entirely made by the combination of three different types of devices 301 a, 301 b, 301 c, according to the invention. Namely, device 301 a has an intermediate resiliency, while device 301 b is less stiff and device 301 c is stiffer. FIGS. 15 and 16 illustrate only two examples of the many possible configurations and combination of devices. In such manner, several types of inner soles can be provided and the user may change the innersole in his/her shoes according to the use and to his or her needs and preferences.
  • [0060]
    [0060]FIG. 17 illustrates a shoe 406 provided with a vibration absorbing device 401, constituted by a tridimensional mesh, arranged at the innersole of the shoe, between the sole 408 and the upper 407.
  • [0061]
    While FIG. 17 illustrates a one piece device, FIG. 18 illustrates a similar arrangement where, however, the vibration absorbing device 501 is constituted by three pieces of mesh 501 a, 501 b and 501 c with different properties. In both embodiments, illustrated in FIGS. 17 and 18, the device can be either associated with the inside or embedded thereto.
  • [0062]
    FIGS. 19-21 illustrate a skiboot 606 having an insole 607 provided with a front absorbing device 601 a and a rear absorbing device 601 b. It is however apparent that the number and arrangement of the devices in the insole way vary according to the desired properties to be achieved.
  • [0063]
    It is also noted that in addition to acting as a shock and/or impact absorber, the device can also have a structural function by using appropriate patterns, dimensions and materials for the mesh in combination with one or more coating materials; it is thus possible to obtain different static or dynamic structural behaviors according to the combination used.
  • [0064]
    The mesh constituting the absorbing device may be associated with other structures and materials, known in the field, such as gels, air, Outlast™, etc.
  • [0065]
    It has thus been found that the invention has achieved the intended aim and objects, a vibration absorbing device having been devised which is simple and cheap to manufacture, has a basic structure which is substantially constant for varying applications, and can thus provide, simply and rapidly, vibration absorbing devices which can be used in various kinds of shoe or sports implement.
  • [0066]
    The device according to the invention is susceptible of numerous modifications and variations, within the scope of the appended claims.
  • [0067]
    The materials used, as well as the dimensions that constitute the individual components of the invention, may of course be more pertinent according to specific requirements.
  • [0068]
    The disclosures in Italian Patent Application No. TV2000A000004 from which this application claims priority are incorporated herein by reference.

Claims (12)

    What is claimed is:
  1. 1. A vibration absorbing device, comprising a mesh that has a vertical warp and two faces, has no filling, is elastically deformable and is embedded or coated with at least one layer of plastic material which is adapted to change its deformability.
  2. 2. The device according to
    claim 1
    , wherein said mesh comprises two spaced strips of mesh between which a plurality of filler threads are arranged, one or more of said filler threads being coated or embedded by at least one layer of plastics which is adapted to modify the overall deformability of said mesh.
  3. 3. The device according to
    claim 2
    , wherein the material that can be used to fill the interspaces of said mesh, or to coat said filler threads and/or said strips of mesh, consists of foamed or non-foamed plastic materials which are adapted to determine the rigidity, stability and cushioning characteristics of said device.
  4. 4. The device according to
    claim 1
    , wherein said mesh has a weft which has honeycomb loops.
  5. 5. The device according to
    claim 2
    , wherein said strips of mesh have a weft in which the loop are oval and pointed at their ends so as to be slightly lanceolate.
  6. 6. The device according to
    claim 1
    , wherein said at least one layer of plastics is constituted by materials, or foams, chosen among polyurethane, urethane, polyisocyanide, polystyrene, polyethylene, polyvinyl chloride, polyolefin, epoxy resins, urea-formaldehyde, latex or foamed latex, foamed rubbers, silicone foams, fluoropolymer foams, ethyl vinyl acetate or foamed ethyl vinyl acetate, gel or foamed gel, synthetic foams, polyolefin, polymethylacrylate, polyamide, phenolic or creolin resins, urea resins, melaminic resins, polyimide materials, latex.
  7. 7. The device according to
    claim 1
    , wherein said mesh is made of natural materials.
  8. 8. The device according to
    claim 1
    , wherein said mesh is made of synthetic materials.
  9. 9. Shoe, comprising a device comprising a mesh that has a vertical warp and two faces, has no filling, is elastically deformable and is embedded or coated with at least one layer of plastic material which is adapted to change its deformability, said device being embedded in the sole.
  10. 10. Skate, comprising a device comprising a mesh that has a vertical warp and two faces, has no filling, is elastically deformable and is embedded or coated with at least one layer of plastic material which is adapted to change its deformability, said device being interposed between a shell and an underlying rigid frame of the skate.
  11. 11. Ski, comprising a device comprising a mesh that has a vertical warp and two faces, has no filling, is elastically deformable and is embedded or coated with at least one layer of plastic material which is adapted to change its deformability, said device being arranged inside one or more adapted seats formed inside said ski.
  12. 12. A tennis racquet, comprising a device comprising a mesh that has a vertical warp and two faces, has no filling, is elastically deformable and is embedded or coated with at least one layer of plastic material which is adapted to change its deformability, said device being arranged inside one or more adapted seats formed inside said tennis racquet.
US09757591 2000-01-19 2001-01-11 Vibration absorbing device, particularly for shoes or sports implements Abandoned US20010008053A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITTV20000004 2000-01-19
ITTV2000A000004 2000-01-19

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