US20130205617A1 - Shaft Assembly For Footwear and Footwear Having Said Shaft Assembly - Google Patents

Shaft Assembly For Footwear and Footwear Having Said Shaft Assembly Download PDF

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Publication number
US20130205617A1
US20130205617A1 US13/522,156 US201113522156A US2013205617A1 US 20130205617 A1 US20130205617 A1 US 20130205617A1 US 201113522156 A US201113522156 A US 201113522156A US 2013205617 A1 US2013205617 A1 US 2013205617A1
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United States
Prior art keywords
shaft
sole
region
functional layer
ply
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Abandoned
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US13/522,156
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English (en)
Inventor
Mark Peikert
Stefan Trainer
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/12—Special watertight footwear
    • A43B7/125—Special watertight footwear provided with a vapour permeable member, e.g. a membrane
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/12—Special watertight footwear
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0235—Different layers of different material
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/06—Waterproof legs

Definitions

  • Footwear having a waterproof and water vapor permeable shaft and thereby able to give off perspiration moisture to the outside despite waterproofness in the shaft region is known in the prior art.
  • sole regions of footwear have also been equipped with waterproof and water vapor permeable sole functional layers.
  • One example thereof, wherein not only the shaft bottom but also the remaining shaft region are equipped with water vapor permeable but waterproof functional layers and wherein the shaft bottom is separate from the shaft region is known from DE 10 2008 029 296 A1.
  • Such footwear can give rise to the problem that stains appear on the outer material at the lower ends of the shaft region at this place and that the foot develops an unpleasant feeling of coldness in cold weather in particular.
  • the present invention therefore has for its object to provide a shaft arrangement for footwear, and also footwear comprising same, wherein no such unpleasant feeling of coldness arises in the end section of the shaft region before the shaft bottom and wherein preferably stain formation on the outer material is also avoided at this place.
  • the present invention further has for its object to also ensure that breathability is ensured at this place.
  • the installation sole can be endowed with openings or be of a water vapor permeable material.
  • the present invention provides a suction element which extends from a region between the outer material ply and the liner ply of the shaft region into a region underneath the shaft bottom functional layer laminate in order that moisture be transported away from the region between the outer material ply and the liner ply of the shaft region into the region underneath the shaft bottom functional layer laminate. From there, the moisture can further be transported outside, more particularly in the case of a shaft arrangement connected to a sole unit, through throughholes or porosities in the sole unit.
  • the inventors have found that it is specifically in the shaft end region, which is usually connected waterproof to the perimetric edge of the shaft bottom, where moisture frequently collects and also frequently condenses there to form liquid water.
  • the result is that the foot region opposite the liner ply experiences a feeling of coldness there, that when the liner ply is configured as shaft functional layer it is no longer possible for a sufficient water vapor gradient to form at this place between the inner and outer sides of the shaft functional layer, so that breathability is distinctly reduced or no longer exists in this region, that the outer side of the shoe shows on the water vapor permeable outer material ply moisture stains which impair the appeal and appearance of the shoe, and that this finally can lead to a formation of mold or the bond sites are attacked, which in the worst case will ruin the shoe.
  • the suction element can also be referred to as a wicking tape in that it has the function of a wick.
  • a suction element can be provided in the case of a multiplicity of shaft arrangements for footwear, as will be elucidated hereinbelow.
  • the liner ply can be suitably connected to the outer material, for example stitched thereto on an upper side.
  • the liner ply is configured as shaft functional layer laminate in order that waterproofness coupled with simultaneous water vapor permeability/breathability may be ensured.
  • At least one suction element is band shaped. This is a version which is simple to achieve in terms of manufacturing technology and with which a very reliable removal of liquid is ensured.
  • At least one suction element extends from a section of the sole sided perimetric edge of the shaft region to an opposite, particularly opposite in the shoe transverse direction, section of the sole sided perimetric edge.
  • a suction element thus extends with its two ends into mutually opposite interspaces between the outer material ply and the liner ply and thus transports moisture out of two opposite interspaces to the underside of the shaft bottom functional layer laminate.
  • At least one suction element has an areal extent of a width such that it extends over a section of at least 25% of the sole sided perimetric edge of the shaft region, more particularly over the forefoot section of the sole sided perimetric edge of the shaft region. This makes it possible to maximize the possible removal of liquid.
  • the suction element can in principle be made of any materials that absorb moisture and transport it away. Cotton will be found to be an advantageous material.
  • a suction element according to the present invention can be fixed in various ways with regard to the shaft arrangement.
  • a suction element generally has to pass the connection provided therebetween.
  • such a suction element is frequently laid over cured dots of adhesive applied to the outer material ply in the circumferential direction.
  • the suction element can also be stitched to the installation sole and/or to the outer material ply at one or more places.
  • the suction element may be at least regionally provided with an adhesive. More particularly, the suction element can be cemented to the underside of the shaft bottom functional layer laminate in order that fixation may be achieved there.
  • the suction element extends with its interspace sided section about one to three centimeters, more particularly about two centimeters into this interspace.
  • the suction element extends with its shaft bottom functional layer laminate sided section about one to four centimeters, more particularly about three centimeters into the region under the shaft bottom functional layer laminate.
  • a total length of three to seven centimeters preferably of about five centimeters can result for the suction element.
  • the water vapor permeable installation sole which is often also known as insole, is arranged above the shaft bottom functional layer laminate.
  • the suction element extends with its shaft bottom functional layer laminate sided section on the outer side of the shaft bottom.
  • the water vapor permeable installation sole may be stitched, for example by means of a Strobel stitch or a zigzag stitch, to the sole sided end region of the shaft functional layer laminate, and additionally the sole sided end region of the outer material ply of the shaft region may be lasted onto the underside of the shaft bottom functional layer laminate.
  • the sole sided end region of the shaft functional layer laminate is stitched, for example by means of a zigzag stitch, to the perimetric edge of the shaft bottom functional layer laminate and sealed waterproof relative to each other via a waterproof sealing tape.
  • the water vapor permeable installation sole is arranged underneath the shaft bottom functional layer laminate.
  • the sole sided end region of the outer material ply is stitched to the water vapor permeable installation sole.
  • the suction element extends from the interspace between the outer material ply and the shaft functional layer laminate into an interspace between the shaft bottom functional layer laminate and the water vapor permeable installation sole.
  • the moisture transported from the interspace between the outer material ply and the shaft functional layer laminate into the region underneath the shaft bottom functional layer laminate then still has to penetrate through the water vapor permeable installation sole in order to be able to be transported away to the outside. It has been determined that this construction also makes it possible to achieve a sufficient rate of removal of moisture.
  • the sole sided end region of the outer material ply is lasted onto the underside of the installation sole, and in this case the suction element extends to the outer side of the shaft bottom. This makes it possible to achieve particularly good removal of moisture.
  • the shaft arrangement of the present invention is not restricted to certain design versions, but can find utility in a multiplicity of design versions.
  • the construction of the shaft bottom functional laminate and of the shaft functional layer laminate is not crucial.
  • the present invention also provides footwear having at least one shaft arrangement of the type described above, the underside of which has a sole unit secured to it.
  • the sole unit can be connected to the shaft arrangement in any desired manner, preferably by cementing or injecting the sole unit to the shaft arrangement.
  • the sole unit to be able to ensure a sufficiently high removal of moisture, has to be endowed with at least one throughhole opening or with porosities which lead downwardly or laterally to the outside.
  • Foot covering having a closed upper portion (shaft arrangement) which includes a foot slip-in opening and includes at least one sole or sole unit.
  • the sole side lower end of the shaft outer material forms a region adjoining the upper edge of the sole or sole unit or above a boundary plane between the shaft and the sole or sole unit.
  • An installation sole is part of the shaft bottom.
  • a sole sided lower shaft end region is secured to the installation sole.
  • a shoe has at least one outsole, but can also have multiple kinds of sole plies which are arranged on top of each other and form a sole unit.
  • An outsole is that part of the sole region which touches the floor/ground or makes the main contact with the floor/ground.
  • An outsole has at least one tread surface touching the floor.
  • a midsole can be inserted between the outsole and the shaft arrangement.
  • the midsole can for example serve cushioning purposes, damping purposes or as filling material.
  • a bootie is a sock type inner liner of a shaft arrangement.
  • a bootie forms a bag type liner of the shaft arrangement, which covers the interior of the footwear essentially completely.
  • Waterproof and/or water vapor permeable layer for example in the form of a membrane or of an appropriately treated or finished material, for example a textile with plasma treatment.
  • the functional layer in the form of a shaft bottom functional layer can form at least one ply of a shaft bottom of the shaft arrangement, but can also be additionally provided as a shaft functional layer at least partly lining the shaft.
  • the shaft functional layer but also the shaft bottom functional layer can be part of a multi ply, usually two, three or four ply, membrane laminate.
  • the shaft functional layer and the shaft bottom functional layer can each be part of a functional layer bootie.
  • a shaft functional layer and a separate shaft bottom functional layer are used, these are sealed off waterproof relative to each other in the sole sided lower region of the shaft arrangement for example.
  • the shaft bottom functional layer and the shaft functional layer can be formed from the same or different material.
  • Suitable materials for the waterproof water vapor permeable functional layer are in particular polyurethane, polypropylene and polyester, including polyetherester and laminates thereof, as described in the printed publications U.S. Pat. No. 4,725,418 and U.S. Pat. No. 4,493,870.
  • the functional layer is constructed using microporous expanded polytetrafluoroethylene (ePTFE), as described for example in the printed publications U.S. Pat. No. 3,953,566 and U.S. Pat. No. 4,187,390.
  • the functional layer is constructed using expanded polytetrafluoroethylene provided with hydrophilic impregnants and/or hydrophilic layers; see for example the printed publication U.S. Pat. No. 4,194,041.
  • a microporous functional layer is a functional layer whose average pore size is between about 0.2 ⁇ m and about 0.3 ⁇ m.
  • a laminate is an assembly consisting of multiple plies durably bonded to each other, generally by mutual adhering together.
  • a waterproof water vapor permeable functional layer is provided with at least one textile ply.
  • the at least one textile ply mainly serves to protect the functional layer during the processing thereof. This is referred to as a two ply laminate.
  • a three ply laminate consists of a waterproof water vapor permeable functional layer embedded between two textile plies.
  • the bonding between the functional layer and the at least one textile ply is effected for example by means of a continuous water vapor permeable layer of adhesive or by means of a discontinuous layer of non water vapor permeable adhesive.
  • adhesive in the form of a dot shaped pattern may be applied between the functional layer and the textile ply or both of the textile plies.
  • the dot shaped or discontinuous application of the adhesive is chosen because a uniform layer of an adhesive which itself is non water vapor permeable would block the water vapor permeability of the functional layer.
  • a barrier ply serves as barrier against the penetration of substances, particularly in the form of particles or foreign bodies, for example small stones, through to a ply of material to be protected, more particularly through to a mechanically sensitive functional layer or functional layer membrane.
  • a functional layer/functional layer laminate/membrane including if appropriate seams provided on the functional layer/functional layer laminate/membrane is considered waterproof when it warrants a water inlet pressure of at least 1*10 4 Pa.
  • the functional layer material warrants a water inlet pressure of above 1*10 5 Pa.
  • the water inlet pressure is measured by following a test method wherein distilled water at 20 ⁇ 2° C. is applied to a sample of 100 cm 2 of the functional layer with increasing pressure. The pressure increase of the water is 60 ⁇ 3 cm hydrohead per minute. The water inlet pressure is then equal to the pressure at which water first appears on the other side of the sample. Details of the procedure are mandated in the ISO standard 0811 from 1981.
  • Whether a shoe is waterproof can be tested for example using a centrifuge arrangement of the kind described in U.S. Pat. No. 5,329,807.
  • a functional layer/functional layer laminate is considered water vapor permeable when it has a water vapor permeability number Ret of below 150 m 2 *Pa*W ⁇ 1.
  • the water vapor permeability is tested in accordance with the Hohenstein skin model. This test method is described in DIN EN 31092 (02/94) and ISO 11092 (1993).
  • FIG. 1 shows a sectional depiction of a forefoot region of a first shoe according to a first illustrative embodiment of the invention
  • FIG. 2 shows a sectional depiction of a forefoot region of a second shoe according to a further illustrative embodiment of the invention
  • FIG. 5 shows a sectional depiction of a forefoot region of a fourth shoe according to a further illustrative embodiment of the invention
  • FIG. 6 shows a sectional depiction of a forefoot region of a fifth shoe according to a further illustrative embodiment of the invention
  • FIG. 7 shows a sectional depiction of a forefoot region of a sixth shoe according to a further illustrative embodiment of the invention.
  • FIG. 8 shows a schematic view of an exemplary shaft arrangement of the third shoe from FIG. 4 from below;
  • FIG. 9 shows a schematic view of an exemplary shaft arrangement of the third shoe from FIG. 4 from below;
  • FIG. 10 shows a schematic view of an exemplary shaft arrangement of the third shoe from FIG. 4 from below;
  • FIG. 11 shows a schematic view of an exemplary shaft arrangement of the third shoe from FIG. 4 from below.
  • FIG. 12 shows a sectional view of an exemplary suction element from FIG. 4 .
  • All shoes described hereinbelow as illustrative embodiments have a sole unit and a shaft arrangement to be secured thereto.
  • the sole unit is cemented to the shaft arrangement. It is similarly possible to inject the sole unit to the shaft arrangement.
  • FIG. 1 shows a sectional depiction of a forefoot region of a first shoe 2 according to a first illustrative embodiment of the invention.
  • the first shoe 2 comprises a sole unit 4 and a shaft arrangement 22 , which are still to be connected to each other.
  • the shaft arrangement 22 comprises a shaft bottom 34 and a shaft region 23 which is connected thereto at the former's perimetric edge and of which there is shown in FIG. 1 a left hand side and a right hand side shaft section which are mirror symmetrical to each other.
  • the upper section of shaft region 23 is not shown in this and in the following figures, for simplicity.
  • the sole sided lower end region of the outer material ply 24 is curved inwardly relative to the essentially vertical section and secured by means of lasting adhesive 44 to the multi-ply shaft bottom 34 .
  • the multi-ply shaft bottom 34 comprises—from up to down—an installation sole or insole 36 and a shaft bottom functional layer laminate 38 arranged thereunder and having a shaft bottom functional layer 40 and a lowermost supporting textile ply 42 . Additionally, the installation sole 36 is connected at its perimetric edge via a stitch 46 , for example a Strobel stitch or a zigzag stitch, to the sole sided end region of the shaft functional layer laminate 38 .
  • a stitch 46 for example a Strobel stitch or a zigzag stitch
  • the shaft bottom functional layer laminate 38 is thus configured as a two-ply laminate. As is readily apparent from FIG. 1 , the shaft bottom functional layer laminate 38 has a larger lateral extent than the installation sole 36 in order that the latter may be connected, for example by cementing, waterproof to the sole sided end region of the shaft functional layer laminate 26 and to the outer material ply 24 .
  • the sole sided lower end region of the outer material ply 24 is lasted with its upper side by means of a lasting cement 44 to the underside of the perimetric edge of the shaft bottom functional layer laminate 38 .
  • the sole sided lower end region of the shaft functional layer laminate 26 is raised away from the sole sided lower end region of the outer material ply 24 . This creates an interspace in the end section of the shaft region 23 between the shaft functional layer laminate 26 and the outer material ply 24 , which widens toward the end section of the shaft region 23 .
  • the shaft bottom functional layer laminate 38 extends somewhat into this interspace. That part of the interspace which is not occupied by the end region of the shaft bottom functional layer laminate 38 is typically filled by air or by water vapor or a mixture thereof.
  • the underside of the sole sided end region of the shaft functional layer laminate 26 is connected by means of a sealing adhesive 48 waterproof to the upper side of the perimetric edge of the shaft bottom functional layer laminate 38 , enclosing the stitching 46 or excluding the stitching ( 46 ), leading to a all-over waterproof and—when using not just waterproof but also water vapor permeable functional layers 26 , 38 —to an all-over water vapor permeable shaft arrangement.
  • This sealing adhesive 48 penetrates through the netband 28 , thus sealing the two functional layers off relative to each other, and serves to secure and seal the shaft bottom functional layer laminate 38 to the shaft functional layer laminate 26 , so that no additional adhesive is required for this.
  • the sole unit 4 is prefabricated and is secured to the sole sided lower end region of the outer material ply 24 by means of a sole adhesive applied at least to the upper side of the perimetric edge zone of sole unit 4 .
  • a first sole adhesive layer 20 is applied to the upper side of the perimetric edge zone of sole unit 4 and a second sole adhesive layer 50 is applied to the sole sided lower end region of the outer material ply 24 .
  • the sole unit 4 comprises a sole ply 6 which forms the surrounding outer region thereof and which on its upper side extends somewhat upwardly in the outward direction in order to accommodate the curved region of the outer material ply 24 , and has a central cutout in which are arranged—in the upward direction—a supporting bar ply 8 , a barrier ply 16 and above the barrier ply 16 a comfort ply 10 with comfort bars.
  • the adhesive layer 20 extends over the upper sides of the sole ply 6 and also over the upper sides of the comfort bars of the comfort ply 10 . It is merely that region of the right hand side section of sole ply 6 which is below the right hand side end of the shaft bottom functional layer laminate 38 , and also the adjoining comfort bar of the comfort bar ply 10 , which can be configured without adhesive ply 20 .
  • FIG. 1 depicts three supporting bars of the supporting bar ply 8 and three comfort bars of the comfort ply 10 , which are configured somewhat wider than the supporting bars arranged thereunder.
  • the comfort ply 10 further comprises narrower comfort bar sections which commence on the inner side of sole ply 6 .
  • sole ply 6 and of supporting bar ply 8 are configured as running or tread surface 14 .
  • the supporting bars of the supporting bar ply 8 there are configured cutouts or sole ply throughhole openings 12 in order that water vapor permeability and/or air permeability may be provided to the sole ply 6 with supporting bars 8 .
  • the sole ply 6 can be in one piece, as shown in the figure, or in two or more pieces, for example in different colors.
  • the sole ply throughhole openings 12 are made as large as possible in order that a correspondingly high water vapor permeability may be provided to the sole ply 6 with supporting bars 8 and hence to the sole unit 4 .
  • the sole unit 4 is horizontally traversed by a barrier ply 16 as mechanical protection for the shaft bottom functional layer laminate 38 against damage by foreign bodies, for example small stones, which work their way into the sole ply throughhole openings 12 .
  • This barrier ply 16 extends somewhat into the sole ply 6 and thus is anchored in the latter and durably connected thereto.
  • This barrier ply 16 in one embodiment is constructed using a thermally consolidated fibrous material, so that it can additionally also be configured as stabilizing material for the sole unit 4 .
  • the supporting bar ply 8 and the comfort ply 10 may be made of a different material than the sole ply 6 , as indicated by the different hatchings, in order to achieve a weight reduction for the sole unit 4 , improved walking comfort in respect of underfoot cushioning, or both.
  • the supporting bar ply 8 , the comfort ply 10 and the sole ply 6 may also be made of the same material.
  • a material may be chosen for the supporting bar ply 8 and the comfort ply 10 that is softer than the material of the sole ply 6 .
  • EVA is an example of a suitable material for the supporting bar ply 8 and/or the comfort ply 10 .
  • a foamed plastic having a correspondingly low specific weight is suitable.
  • foamed EVA is suitable for example.
  • foamed EVA is suitable for example.
  • the barrier ply 16 there is optionally situated a decorative ply 18 which is visible from below and imparts an attractive appearance to the sole unit.
  • FIG. 2 shows a sectional depiction of a forefoot region of a second shoe 52 according to a second illustrative embodiment of the invention.
  • the second shoe 52 likewise comprises a sole unit 54 and a shaft arrangement 70 , which are still to be connected to each other.
  • the shaft arrangement 70 is constructed according to the bootie principle, and comprises a shaft bottom 80 and a shaft region 71 which is connected thereto at the former's perimetric edge and of which there are shown in FIG. 2 a left hand side and a right hand side shaft section which are mirror symmetrical to each other.
  • the shaft region 71 includes a water vapor permeable outer material ply 72 and a three-ply shaft functional layer laminate 74 , which comprises an inner shaft liner 78 , an outer shaft functional layer or membrane 76 and a woven lattice fabric or mesh 75 .
  • the outer material ply 72 of the shaft region 71 extends somewhat further in the direction of shaft bottom 80 than the shaft functional layer laminate 74 does.
  • the shaft functional layer laminate 74 is connected by means of stitching, which may be more particularly executed as a zigzag stitch, to a shaft bottom functional layer laminate 84 of the shaft bottom 80 , and the stitching 90 is sealed off waterproof toward the outside using a seam sealing tape 92 .
  • the shaft bottom functional layer laminate 84 like the shaft functional layer laminate 74 , has a two-ply construction with an inner supporting textile ply 88 and an outer shaft bottom function or membrane 86 .
  • the functional layers 76 and 86 and also the textile plies 78 and 88 of the shaft functional layer laminate 74 and of the shaft bottom functional layer laminate 84 are stitched to each other such that the textile plies 78 and 88 and also the functional layers 76 and 86 are each contiguous to each other.
  • FIG. 2 shows a separation between the outer surface of the shaft functional layer 76 and the inner surface of the outer material ply 72 , but in practice these surfaces can also be directly next to each other.
  • an installation sole or insole 82 which is arranged underneath the shaft bottom functional layer laminate 84 and has a somewhat smaller areal extent compared therewith.
  • the stitching 94 between the sole sided end region of the outer material ply 72 and the perimetric edge region of the installation sole 82 can be executed more particularly as a Strobel stitch or as a zigzag stitch.
  • the sole unit 54 of the second shoe 52 is also prefabricated and is secured to the sole sided lower end region of the outer material ply 72 and additionally to the sole sided lower margin region of the installation sole 82 by means of a sole adhesive applied at least to the upper side of the perimetric edge zone of sole unit 54 .
  • a first sole adhesive layer 68 is applied to the upper side of the perimetric edge zone of the sole unit 54 and a second sole adhesive layer 96 is applied to the sole sided lower end region of the outer material ply 24 and to the sole sided lower margin region of the installation sole 82 .
  • the sole unit 54 like the sole unit 4 , comprises a sole ply 56 which forms the surrounding outer region of the sole unit 54 and which is provided with a central cutout in which there are arranged—from bottom to top—a supporting bar ply 58 with three supporting bars exemplarily depicted in FIG. 2 and a barrier ply 64 .
  • the barrier ply 64 traverses the sole unit 4 horizontally and extends with its perimetric edge region as far as into the upper end of the sole ply 56 . It is thus reliably connected to the sole ply 56 .
  • the supporting bars extend from the barrier ply 64 to the plane of the underside of the sole ply 56 , and the lower surface of the sole ply 56 and of the supporting bars 58 forms the running or tread surface 62 .
  • sole unit 54 no additional comfort ply is provided in the case of sole unit 54 , but could be added if required.
  • the shaft bottom functional layer laminate 38 or, respectively, 84 has a two-layered configuration and comprises only one shaft bottom functional layer 40 or, respectively, 86 and a supporting textile ply 42 or, respectively, 88 , but not a further layer.
  • the netband or net material often also referred to as a mesh, is omitted.
  • an additional third layer of the shaft bottom functional layer laminate 38 or, respectively, 84 can be dispensed with here and that the shaft functional layer laminate 38 or, respectively, 84 can be given a two-ply configuration in this region, as a result of which it is possible to save the costs for a third layer and by omitting this third layer the amount of perspiration which can be transported away is also increased. Omitting the third layer of the shaft bottom functional layer laminate removes a water vapor barrier to be overcome by the moisture.
  • this two-layer shaft bottom functional layer laminate 38 is arranged directly above the cutout 12 , providing for particularly effective removal of moisture out of the interior of the shaft arrangement 22 , and in the shaft arrangement 70 of the second shoe 52 as per FIG. 2 the two-layer shaft bottom functional layer laminate 84 has additionally arranged underneath it the installation sole 82 through which the moisture additionally has to pass.
  • FIG. 3 shows an isolated sectional depiction of a portion of the two-ply shaft bottom functional layer laminate 38 of the shaft bottom 34 of the shaft arrangement 22 from FIG. 1 .
  • FIG. 4 shows a sectional depiction of a forefoot region of a third shoe 98 according to a further illustrative embodiment of the invention.
  • the third shoe 98 comprises a sole unit 4 , which is identical to the sole unit 4 of the first shoe 2 from FIG. 1 , and a shaft arrangement 100 , which coincides with the shaft arrangement 22 of the first shoe 2 , although in contradistinction thereto a suction element 102 is provided as an additional element.
  • the suction tape 102 extends from the interspace between the outer netband 28 of the shaft functional layer laminate 26 and the inner side of the outer material ply 24 onto the outer side of the shaft arrangement 100 underneath the supporting textile ply 42 .
  • the suction element 102 includes a moisture-absorbing material, for example cotton, and is capable of attracting water in liquid form and also water vapor and transporting them to the outside.
  • the suction element 102 depicted exemplarily in FIG. 4 extends from the interspace between the shaft functional layer laminate 26 and the outer material ply 24 in the lowermost section of the still vertical section of the shaft region 23 as far as a region approximately central underneath the supporting textile ply 42 .
  • the suction element 106 can rest with its region within the interspace between the shaft functional layer laminate 26 and the outer material ply 24 on the inner side of the outer material ply 24 , have a curved trajectory like the outer material ply 24 , and extend through the lasting cement 44 as far as the region centrally underneath the shaft bottom functional layer laminate 38 .
  • the suction element can rest with its section underneath the shaft bottom functional laminate 38 directly on the supporting textile ply 42 of the shaft bottom functional layer laminate 38 and be cemented thereto, and it can also be cemented with its interspace sided section to the shaft functional layer laminate 26 or to the outer material ply 24 .
  • the suction element 102 can be endowed with an appropriate adhesive at its upper side.
  • the inventors of the present subject matter have found that moisture regularly collects in the interspace in the end section of the shaft region 23 between the shaft functional layer laminate 26 and the outer material ply 24 , resulting, the waterproofness of the functional layer laminate notwithstanding, in a sensation of coldness at the foot within the shaft arrangement 100 , impairing the moisture transport from in to out and thus adversely affecting the breathability of the shaft arrangement 100 in this region and possibly leading to moisture stains on the outer material 24 .
  • the suction element 102 sucks up such moisture and transports it to outside the shaft arrangement 100 , specifically according to FIG. 4 into the suction element 102 region which is outside the shaft arrangement 100 and underneath the shaft bottom functional layer laminate 38 . From there, the moisture can be further transported away downwardly through the cutouts 12 .
  • FIG. 5 shows a sectional depiction of a forefoot region of a fourth shoe 104 according to a further illustrative embodiment of the invention.
  • This fourth shoe 104 is composed of the shaft arrangement 100 of the third shoe 98 and of the sole unit 54 of the second shoe 70 , and like elements are each marked by like reference numerals.
  • the configuration, position and function of the suction element 102 is coincident with the suction element 102 of the third shoe 98 .
  • the suction element 102 is cemented from below, by means of an adhesive not shown here, onto the shaft bottom functional layer laminate 38 and onto the inner side of the shaft functional layer laminate 26 before the sole sided end regions of the outer material ply 24 are lasted together with the shaft bottom functional layer 38 .
  • the lasting adhesive does not lead to impairment of the suction function of the suction element 102 .
  • FIG. 6 shows a sectional depiction of a forefoot region of a fifth shoe 106 according to a further illustrative embodiment of the invention.
  • the fifth shoe 106 is composed of the sole unit 54 of the second shoe 52 and of a shaft arrangement 108 which is produced like the shaft arrangement 70 of the second shoe 52 according to the bootie principle.
  • the shaft arrangement 108 corresponds to the shaft arrangement 70 of the second shoe 52 from FIG. 2 , the shaft functional layer laminate 116 having a three-ply construction and including from out to in a netband 118 , a shaft functional layer or membrane 120 and a shaft liner 122 .
  • the shaft bottom functional layer laminate 128 has a three-ply construction in the entire region of the shaft bottom 124 featuring from bottom to top the netband 118 , a shaft bottom functional layer or membrane 130 and a supporting textile ply 132 .
  • the netband or mesh 118 is partly covered in the figure.
  • the shaft bottom functional layer laminate 128 is cemented by means of a water vapor permeable layer of adhesive 134 to the upper side of the installation sole 126 .
  • the layer of adhesive extends from the left hand side end region to the right hand side end region of the installation sole 126 .
  • the layer of adhesive 134 penetrates through the net material 118 through to the shaft bottom functional layer 130 , and the layer of adhesive 134 is configured as a continuous layer of a water vapor permeable adhesive or as a punctiform layer of a water vapor impermeable adhesive in order that breathability may be ensured here.
  • the layer of adhesive is intended to prevent any friction between the installation sole 126 and the shaft bottom functional layer 130 .
  • the shaft bottom functional layer laminate 128 the textile ply 132 of which comes into contact with the foot, is reliably fixed with respect to the installation sole 126 .
  • a suction element 144 is accommodated in the interspace between the three-ply functional layer laminates and the installation sole 126 or the outer material ply 114 .
  • the suction element 144 is preferably made of a cotton material and extends from the lower end section of the right hand side shaft region 112 as far as a region situated somewhat further to the right of the middle of the installation sole 126 into the interspace between the shaft bottom functional layer laminate 128 and the installation sole 126 .
  • This suction element 144 transports moisture which collects in the interspace between the outer material ply 114 and the shaft functional layer laminate 116 into a region underneath the shaft bottom functional layer laminate 128 and from there through the permeable installation sole 126 and the barrier ply 64 to an outer side of the shoe, providing the advantages described above.
  • the positioning of the suction element 144 in FIG. 6 is exemplary in nature in that it is similarly possible for a further suction element 144 to also be provided mirror-symmetrically to the suction element 144 on the left hand lower side of the shaft arrangement 108 .
  • FIG. 7 shows a sectional depiction of a forefoot region of a sixth shoe 146 according to a further illustrative embodiment of the invention.
  • the sixth shoe 146 is constructed from the sole unit 54 of the second shoe 52 and a shaft arrangement 147 .
  • the shaft arrangement 147 comprises a shaft bottom 160 and a shaft region 148 which is connected thereto at the former's perimetric edge and of which there is shown in FIG. 7 a left hand side and a right hand side shaft section which are mirror symmetrical to each other.
  • the outer material ply 150 of the shaft region 148 is at the lower end curved inward and cemented to the installation sole 162 by means of lasting adhesive 176 .
  • the shaft arrangement 147 is made in the manner of a bootie, i.e., the lower ends of the shaft functional layer 153 are stitched, for example by means of a zigzag stitch, to the perimetric edges of the shaft bottom functional layer 164 .
  • this transitional region is sealed off waterproof toward the outside using a seam sealing tape 174 .
  • these seams are situated in the curved transitional region between the vertical shaft region 148 and the horizontal shaft bottom 160 .
  • Both the shaft functional layer 152 and the shaft bottom functional layer 164 have a three-ply construction with an outer netband 154 , with a shaft functional layer/shaft bottom functional layer or shaft membrane/shaft bottom membrane 156 / 166 and with an inwardly disposed textile ply or shaft liner 158 /supporting textile ply 168 .
  • an interspace also develops in this sixth shoe 146 between the end region of the outer material ply 150 and the shaft bottom functional layer laminate 164 or the shaft functional layer laminate 152 .
  • This interspace increases in size toward the end of the outer material ply 150 , and the installation sole 162 projects into this space. That part of the interspace which is not occupied by this installation sole 162 is typically filled by air or water vapor or a mixture thereof.
  • this sixth shoe 146 is also provided with a suction element 180 which extends from the interspace between the shaft functional layer laminate 152 and the outer material ply 150 underneath the sealing cementation 174 via the cementation 176 to the outer side of the shaft arrangement 146 underneath the installation sole 162 .
  • the interspace sided end of the suction element 180 extends here from the still vertical lower section of the shaft region, via the sealing cementation 174 , makes a curve and rests against the underside of the installation sole 162 .
  • the outside region of the suction element 180 can be cemented to the underside of the installation sole 162 by means of a layer of adhesive for example.
  • the suction element 180 is embedded in the sealing adhesive without the suction effect being significantly impaired.
  • This suction element 180 transports moisture out of the interspace toward the outside. From the underside of the installation sole 162 , this moisture can be further removed through the cutouts 60 in the sole unit 54 .
  • the shaft bottom functional layer laminate 164 is connected to the installation sole 162 by means of a water vapor permeable layer of adhesive 170 .
  • the layer of adhesive 170 which can be made continuously or punctiform, in the illustrative embodiment of FIG. 7 covers a large portion of the surface of the instalation sole 162 , penetrates through the net material 154 as far as the shaft bottom functional layer 166 , and is made water vapor permeable in order that breathability may be ensured here.
  • reliable fixation of the shaft bottom functional layer laminate 164 with respect to the installation sole 162 is achieved here.
  • FIG. 8 shows a schematic view of the shaft arrangement 100 from below.
  • the outer material 24 end region which forms the lower perimetric edge of the shaft arrangement 100 and is lasted to the underside of the installation sole 42 is readily apparent.
  • the ends of the suction elements which are embodied as suction tapes 184 and which transport moisture out of the interspace between the shaft functional layer laminate and the outer material ply to the outside.
  • the present illustrative embodiment shows eight ends of suction tapes 184 of low width, distributed along the perimetric edge of the outer material ply 24 .
  • Such an arrangement of a plurality of suction tapes 184 along the overall perimeter of the outer material ply 24 makes it possible to ensure a reliable removal of moisture out of the interspace between the shaft functional layer and the outer material ply in all circumferential regions of the shaft arrangement.
  • suction tapes 184 can also find utility in all other above-described kinds of shaft arrangements.
  • FIG. 9 shows a view of an alternative illustrative embodiment of the shaft arrangement 100 of the third shoe 98 from below.
  • suction tape 186 is provided in a forefoot region of the shaft arrangement 100 , and it extends somewhat as far as underneath the installation sole 42 .
  • This suction tape 186 transports moisture out of the interspace between the outer material ply and the shaft functional layer laminate toward the outside, and one such suction tape 186 is already enough to achieve significant removal of moisture.
  • FIG. 10 shows a view of an alternative illustrative embodiment of the shaft arrangement 100 of the third shoe 98 from below.
  • a sheetlike suction element 188 which surrounds half a side is provided to transport in the entire forefoot region and also in a middle region of the shoe, moisture out of the interspace between the outer material ply and the shaft functional layer laminate to the underside of the installation sole 42 , from where the moisture can leave the shoe in the downward direction.
  • FIG. 11 shows a view of an illustrative embodiment of the shaft arrangement 100 of the third shoe 98 from below.
  • suction tapes 190 are provided, which extend in the shoe transverse direction across the entire underside of the installation sole 42 and the left hand side and right hand side ends of which extend into the interspaces between the outer material ply and the shaft functional layer laminate, respectively.
  • the four suction tapes 190 are arranged approximately equidistantly along the length of the shaft arrangement 100 .
  • suction tapes can likewise provide a reliable removal of moisture out of the interspace between the outer material ply and the shaft functional layer laminate.
  • FIG. 12 shows a sectional view of a present invention suction element 102 according to an illustrative embodiment of the invention.
  • the suction element 102 comprises a layer 192 of a liquid-absorbing material which ensures liquid transfer from the interspace to the outside and which can be of cotton material for example.
  • This suction layer is provided on the upper side with an adhesive material 194 , by means of which the suction element 102 can be cemented for example to the underside of the installation sole 42 and the inner side of the shaft functional layer laminate.
  • This adhesive need not be provided on the entire upper side of the suction layer 192 ; it suffices for this adhesive to be provided regionally.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US13/522,156 2010-01-29 2011-01-26 Shaft Assembly For Footwear and Footwear Having Said Shaft Assembly Abandoned US20130205617A1 (en)

Applications Claiming Priority (3)

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DE102010006151.4 2010-01-29
DE102010006151A DE102010006151A1 (de) 2010-01-29 2010-01-29 Schaftanordnung für Schuhwerk sowie Schuhwerk damit
PCT/EP2011/051014 WO2011092173A1 (de) 2010-01-29 2011-01-26 Schaftanordnung für schuhwerk sowie schuhwerk damit

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EP (1) EP2528463B1 (zh)
JP (1) JP2013517865A (zh)
KR (1) KR20120112834A (zh)
CN (1) CN102740718A (zh)
CA (1) CA2787126A1 (zh)
DE (1) DE102010006151A1 (zh)
HK (1) HK1176828A1 (zh)
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RU2501503C1 (ru) 2013-12-20
CN102740718A (zh) 2012-10-17
DE102010006151A1 (de) 2011-08-04
EP2528463B1 (de) 2014-01-08
WO2011092173A1 (de) 2011-08-04
HK1176828A1 (en) 2013-08-09
UA100833C2 (ru) 2013-01-25
KR20120112834A (ko) 2012-10-11
CA2787126A1 (en) 2011-08-04
EP2528463A1 (de) 2012-12-05
AU2011209319A8 (en) 2012-10-25
JP2013517865A (ja) 2013-05-20
AU2011209319A1 (en) 2012-08-09

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