Classifications

• • 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
  • A43B9/00—Footwear characterised by the assembling of the individual parts
  • A43B9/12—Stuck or cemented footwear

Definitions

• the invention relates to a shoe sealing system and a sealing method for a sealed shoe with a shaft and an insole to which the shaft is connected, and in particular with a shaft which is at least partially provided with a waterproof functional layer, which is preferably permeable to water vapor, and with a Outsole, especially a glued-on outsole.
• the invention also relates to a method for producing such a shoe.
• a waterproof layer This is preferably a waterproof, water vapor-permeable functional layer, by means of which
• the functional layer is often part of a functional layer laminate which, in addition to the functional layer, has at least one textile layer.
• sock-like inserts also known as booties in specialist circles, are located between the shaft and sole structure on the one hand and an inner lining on the other hand. Since such booties are brought into their shape by welding cut-to-size parts, they do not need to have any seam holes. However, the use of booties is quite complex to manufacture if the booties are supposed to correspond to the respective shoe shape to some extent.
• Another known method is to seal the lower region of the shoe construction and thus the lower region of the shaft lined with the functional layer and possibly sewn with an insole with a sole material of a molded outsole.
• this cannot prevent water from reaching the upper end of the upper, which is generally water-conducting via capillary effects, to the sole-side end of the upper and thus to the sole-side end of the functional layer and via water bridges, in particular in the form of textile fibers on the
• Cut edge of the sole end of the shaft that reaches the inner lining of the functional layer which is generally very strongly water-absorbent.
• Shoe structures are known in which the functional layer in the sole-side end region also has a protrusion over the upper material, but in which there is no mesh band.
• the outsole material is injected directly onto the functional layer in the area of the overhang. This method is also only suitable for footwear with molded outsoles.
• a shoe is made available that can be made waterproof with relatively simple means and little effort.
• the invention is also intended to make footwear available in which the sole-side shaft end area can be made permanently watertight with as little effort and as few process steps as possible with any outsole.
• a sealed shoe according to a first aspect of the invention has a shaft and an insole, to which the shaft is connected, with the underside of the shoe in the area of the insole and the reactive hot-melt adhesive based on polyurethane, which is connected to this, is applied and pressed flat.
• a method for its production is also provided, in which the upper is connected to the insole and is applied to the underside of the shoe in the area of the insole and the upper part of the upper connected to it, and hot-melt adhesive based on polyurethane is applied and pressed.
• a shoe according to the invention is on the bottom of the shoe in
• the bottom of the shoe means the bottom of the
• Reactive hotmelt adhesive is an adhesive that leads to water resistance in the fully reacted state. In a shoe according to the invention, this causes the seal in the area of the
• open-pore, adhesive-friendly material is applied over the entire shoe and the side area or in parts thereof.
• An upper material such as leather, fleece, felt or the like is preferably used as such material.
• This material is preferably glued flush in the reactive hot-melt adhesive.
• the surface of the upper material which points away from the insole is essentially flush with the surface of the reactive hot-melt adhesive which points away from the insole.
• the underside of the shoe in the sense defined above
• the sole part of the upper of the shoe is connected to the insole by lasting adhesive.
• a lasting area of the sole part on the sole of the sole which is drawn over the edge of the insole on the underside thereof which points to the later outsole, is fastened to a peripheral region of the underside of the insole by gluing.
• the reactive hot melt adhesive is then applied to the underside of the shoe (in the sense given above) in order to seal the underside of the shoe before applying an outsole.
• the reactive hot-melt adhesive is preferably applied overlapping over a width of about 1 cm between the insole and the pinched shaft. This ensures that the inner circumference of the lasting fold is reliably removed from the reactive
• Hot melt adhesive is sealed.
• the reactive hot-melt adhesive is applied to the entire underside of the insole, which is not covered by the lasting fold, and to the mentioned overlap region with the
• the conventional lasting adhesive process can be used without modification for the production of shoes according to the invention.
• the invention relates to footwear with a shaft and with a sole structure which has an outsole, the shaft being constructed with an upper material and with a waterproof functional layer which at least partially lines the upper material on the inside thereof and a sole-end area of the shaft mitei ne m O be rm a te riale nd range and a functional layer end area, the outsole is connected to the shaft end area, the functional layer end area has a protruding beyond the upper material end area and a closed in the outer sole circumferential direction on the protrusion
• Adhesive zone made of a reactive hot melt adhesive, which leads to watertightness in the fully reacted state, is applied.
• the invention further relates to a method for manufacturing footwear with the following manufacturing steps: a shaft is created which has an upper and a
• Shaft end area is provided; the upper material is provided with a sole-side upper material end region and the functional layer is provided with a sole-side functional layer end region, the
• Functional layer end area is provided with an overhang extending beyond the upper material end area; an adhesive zone made of a reactive hot-melt adhesive which is closed in the circumferential direction of the sole and which reacts in the fully reacted state
• Footwear according to the invention has a shaft and an outsole, the shaft being constructed with an upper material and with a waterproof functional layer which at least partially lines the upper material on the inside thereof and a sole on the sole side
• the outsole has shaft end area with an upper material end area and a functional layer end area.
• the outsole is connected to the shaft end area.
• the functional layer end region has a protrusion that extends beyond the upper material end region. On the overhang is closed in the circumferential direction of the outsole
• Adhesive zone made of a reactive hot melt adhesive, which leads to watertightness in the fully reacted state.
• Functional layer end area applied reactive hot-melt adhesive which on the one hand has a particularly high creeping ability in the liquid state before reacting and on the other hand leads to particularly high and permanent water resistance in the fully cured state.
• the reactive hot-melt adhesive can be applied with very simple means, for example brushing on, spraying on or in the form of a
• the shaft end region extends essentially perpendicular to the tread of the outsole (hereinafter also referred to as vertical extension) and the functional layer end region projects in the direction of the tread beyond the upper material end region.
• the shaft end region extends essentially parallel to the tread of the outsole (hereinafter also referred to as horizontal extension) and the functional layer end region extends in the direction of the outsole center beyond the upper material end region.
• the first embodiment is particularly suitable for shell-shaped outsoles that have a rim that rises perpendicular to the tread of the outsole.
• the latter embodiment is particularly suitable for shoes with flat, plate-shaped outsoles, as are used in particular with more elegant shoes.
• the protrusion is bridged by means of a connecting strip, one long side of which is connected to the upper material end area and the other long side of which is connected to the functional layer end area. In another embodiment of the invention there is no such bridging of the protrusion.
• the reactive hot melt adhesive is either applied directly to the functional layer in the area of the supernatant, if none
• a connecting strip is present, or it is applied to the outside of the connecting strip covering the protrusion if a connecting strip is present.
• a material is selected for the connecting strip which is permeable to the reactive hot-melt adhesive which has been made liquid or liquid before the reaction takes place.
• connecting strip allows, on the one hand, a permanent watertight seal between the functional layer end area and the glued-on outsole and, on the other hand, enables the tensile forces which are exerted on the functional layer over the last during tensioning of the functional layer end area, for example by means of a cord pull ("string lasting") ) or using collets to guide the entire or at least part of the upper material instead of letting it act exclusively on the less resilient functional layer.
• the connecting strip is preferably constructed with an open mesh material which is formed from thermoplastic mesh material or textile material, preferably monofilament textile material.
• the connecting strip can have any other shape, for example with staples, large loops or long ones
• the connecting strip is primarily intended to fulfill the task of allowing sufficient flow of the liquid reactive hot-melt adhesive for a permanently watertight sealing of the functional layer and of relieving the functional layer of force and transferring or distributing the load between the upper material and the insole material (when pinching) or pulling the cord (when String Lasting).
• a net band is suitable for footwear according to the invention.
• the invention is suitable for footwear with or for footwear without an insole. In the latter case, the sole side
• Functional layer end area lashed together using a cord.
• the upper material end area is glued or sewn onto the functional layer end area, possibly via a mesh tape, or the The functional layer end area and the upper material end area are each lashed together using a separate cord.
• net tape one long side of which is connected to the upper material end area and the other long side of which is connected to the functional layer end area and optionally to the insole, preferably by sewing.
• a shaft is created which is constructed with an upper material and with a waterproof functional layer which at least partially lines the upper material on the inside thereof and is provided with a shaft end region on the sole side.
• the upper material comes with a sole-side upper material end area and the
• Functional layer is provided with a single functional layer and the functional layer end area is provided with a protrusion that extends beyond the upper material end area.
• An adhesive zone which is closed in the circumferential direction of the outsole is made from a
• Reactive hot melt adhesive which leads to watertightness when fully reacted.
• An outsole is attached to the shaft end area.
• a pressure device for example in the form of a pressure pad, with a smooth material surface that cannot be wetted by the reactive hot melt adhesive and therefore does not stick to the reactive hot melt adhesive, for example made of non-porous polyterafluoroethylene (also known under the trade name Teflon), is preferably suitable for this purpose.
• a pressure pad is preferably used, for example in the form of a rubber pad or air cushion, the Pressure surface is covered with a film made of the material mentioned, for example non-porous polytetrafluoroethylene, or one arranges such a film before the pressing process between the sole structure provided with the reactive hot melt adhesive and the pressure pad.
• the outsole is glued with conventional solvent adhesive or hot glue, which are, for example, adhesives based on polyurethane.
• Solvent adhesive is an adhesive that has been made adhesive by the addition of evaporable solvent and hardens due to the evaporation of the solvent.
• Hot glue is an adhesive, also called thermoplastic adhesive, which is brought into an adhesive state by heating and hardens by cooling. Such adhesive can be brought repeatedly into the adhesive state by heating again.
• a moisture-curable reactive hot-melt adhesive is preferably used, which is applied to the area to be bonded and exposed to moisture to react fully.
• a thermally activatable and moisture-curable reactive hot-melt adhesive is used, which is thermally activated, applied to the area to be bonded and exposed to moisture to react completely.
• the production of shoes according to the invention is particularly simple and economical when using reactive hot-melt adhesive which can be activated thermally and by means of moisture, e.g. Water vapor, can be brought to the curing reaction.
• reactive hot-melt adhesive which can be activated thermally and by means of moisture, e.g. Water vapor, can be brought to the curing reaction.
• Foaming reactive hot-melt adhesive can also be used if you want to use its increased volume, which makes it particularly suitable for filling voids and penetrating into gaps or niches that can form in the area of the net tape. A particularly reliable watertightness can thereby be brought about. Foaming can be achieved by swirling the reactive hot melt adhesive with a gas during application, which is, for example, a mixture of nitrogen and air.
• Reactive hotmelt adhesives are adhesives which, before they are activated, consist of relatively short molecular chains with an average molecular weight in the range from about 3000 to about 5000 g / mol, are non-adhesive and, if appropriate, after thermal
• Reaction leads to three-dimensional networking of molecular chains.
• the three-dimensional cross-linking leads to a particularly strong protection against the penetration of water into the adhesive.
• Suitable for the purpose according to the invention are e.g. Polyurethane reactive hot melt adhesives, resins, aromatic hydrocarbon resins, aliphatic hydrocarbon resins and condensation resins, e.g. in the form of epoxy resin.
• PU reactive hot melt adhesives are particularly preferred.
• the curing reaction of PU reactive hot melt adhesive which causes curing is usually brought about by moisture, for which purpose
• Air humidity is sufficient.
• blocked PU reactive hot melt adhesives the crosslinking reaction of which can only begin after activation of the PU reactive hot melt adhesive by means of thermal energy, so that such hot melt adhesive is open, ie in an environment with humidity, can be stored.
• non-blocked PU reactive hot melt adhesives in which a crosslinking reaction takes place at room temperature if they are in an environment with atmospheric moisture. The latter reactive hot melt adhesives must be kept protected from atmospheric moisture as long as the crosslinking reaction is not yet to take place.
• Both types of PU reactive hot melt adhesives are usually in the form of rigid blocks in the unreacted state. Before applying to the areas to be glued, the reactive
• Hot melt adhesive heated to melt it and thus make it spreadable or coatable. If unblocked reactive hot-melt adhesive is used, such heating must take place in the absence of atmospheric moisture. This is not necessary when using blocked reactive hot melt adhesive, but care must be taken to ensure that the heating temperature remains below the unblocking activation temperature.
• PU reactive hot melt adhesive is used, the one with blocked or blocked
• Isocyanate is built up.
• Activation temperatures for such PU reactive hot melt adhesives are approximately in the range from 70 ° C. to 180 ° C.
• unblocked PU reactive hot melt adhesive is used.
• the crosslinking reaction can be accelerated by the application of heat.
• a PU reactive hot-melt adhesive is used, which is available under the name IPATHERM S 14/242 from HPFuller in Wells, Austria.
• a PU reactive hot melt adhesive is used, which is available under the name Macroplast QR 6202 from Henkel AG, Dusseldorf, Germany.
• a functional layer is particularly preferred which is not only impermeable to water but also permeable to water vapor. This enables the production of waterproof shoes that remain breathable despite being waterproof.
• Waterproof is regarded as a functional layer, including where appropriate provided on the functional layer seams, when it guarantees a water inlet pressure of at least 1.3 '10 4 Pa.
• the functional layer material preferably ensures a water inlet pressure of over 1 * 10 5 Pa.
• the water inlet pressure is to be measured according to a test procedure in which distilled water is applied at 20 + 2 ° C to a sample of 100 cm 2 of the functional layer with increasing pressure. The pressure rise of the water is 60 ⁇ 3 cm Ws per minute. The water inlet pressure then corresponds to the pressure at which water first appears on the other side of the sample. Details of the procedure are given in the ISO standard 0811 from 1981.
• a functional layer is considered "permeable to water vapor" if it has a water vapor permeability number Ret of less than 150 m 2 - Pa - W '.
• the water vapor permeability is tested according to the Hohenstein skin model. This test method is described in DIN EN 31092 (02/94) or ISO 11092 (19/33).
• a shoe is waterproof can be tested, for example, with a centrifuge arrangement of the type described in US Pat. No. 5,329,807.
• a centrifuge arrangement described there has four pivoting holding baskets for holding footwear. It can be used to test two or four shoes or boots at the same time.
• This centrifuge arrangement is used to find water leaks centrifugal forces, which are generated by rapid centrifugation of the footwear. Before centrifuging, water is poured into the interior of the footwear. Absorbent material such as blotting paper or a paper towel is arranged on the outside of the footwear. The centrifugal forces exert a pressure on the water filled in the footwear, which causes water to reach the absorbent material when the footwear is leaking.
• the pressure that the water exerts during centrifugation depends on the effective shoe area, which depends on the shoe size
• the functional layer is, in particular, polyurethane, polypropylene and polyester, including polyether esters and their laminates, as described in the documents US Pat. No. 4,725,418 and US Pat. No. 4,493,870.
• stretched microporous polytetra- fluoroethylene (ePTFE) as described, for example, in the documents US Pat. No. 3,953,566 and US Pat. No. 4, 187,390
• stretched polytetrafluoroethylene which is provided with hydrophilic impregnating agents and / or hydrophilic layers; see for example US-A-4, 194,041.
• ePTFE stretched microporous polytetra- fluoroethylene
• Functional layer is understood to mean a functional layer whose average pore size is between approximately 0.2 ⁇ m and approximately 0.3 ⁇ m.
• Pore size can be measured using the Coulter Porometer (trade name) manufactured by Coulter Electronics, Inc., Hialeath, Florida, USA.
• the Coulter Porometer is a measuring device that provides an automatic measurement of the pore size distributions in porous media, whereby the (in
• the Coulter Porometer determines the pore size distribution of a sample by an increasing air pressure directed at the sample and by
• This pore size distribution is a measure of the degree of uniformity of the pores in the sample (i.e. a narrow pore size distribution means that there is a small difference between the smallest pore size and the largest pore size). It is determined by dividing the maximum pore size by the minimum pore size.
• the Coulter Porometer also calculates the pore size for the mean flow. By definition, half of the flow through the porous sample takes place through pores whose pore size is above or below this pore size for medium flow.
• the reactive hot melt adhesive can enter the pores during the adhesive process Penetrate functional layer, which leads to a mechanical anchoring of the reactive hot melt adhesive in this functional layer.
• the functional layer consisting of ePTFE can be provided with a thin polyurethane layer on the side with which it comes into contact with the reactive hot-melt adhesive during the gluing process.
• PU reactive hot melt adhesive in connection with such a functional layer not only leads to a mechanical connection but also to a chemical connection between the PU reactive hot melt adhesive and the PU layer on the functional layer. This leads to a particularly intimate bond between the functional layer and the reactive hot-melt adhesive, so that a particularly permanent watertightness is ensured.
• the textile fabrics can be, for example, woven fabrics, knitted fabrics, knitted fabrics, fleece or felt. These textile fabrics can be made from natural fibers, for example from cotton or viscose, from synthetic fibers, for example from polyesters, polyamides, polypropylenes or polyolefins, or from mixtures of at least two such materials.
• a lining material is normally arranged on the inside of the upper material for the shaft.
• the same materials are suitable for this, as previously specified for the upper material.
• a lining material When using a functional layer on the inside, a lining material is normally arranged.
• the same materials are suitable as lining material, which is often bonded to the functional layer to form a functional layer laminate, as previously indicated for the outer material.
• the functional layer laminate can also have more than two layers, it being possible for there to be a textile backing on the side of the functional layer which is remote from the lining layer.
• the outsole of footwear according to the invention can consist of waterproof material such as rubber or plastic, for example polyurethane, or of non-waterproof but breathable material such as in particular leather or leather provided with rubber or plastic inlays.
• the outsole can be made waterproof, while maintaining the breathability, that it is provided with a waterproof, water-vapor-permeable functional layer at least in places where the sole structure has not already been made waterproof by other measures.
• the insole of footwear according to the invention can be made of viscose, fleece, e.g. Polyester fleece, to which melt fibers can be added, leather or glued leather fibers.
• An insole is under the name Texon insole from Texon Mockmuhl GmbH in
• Insoles made from such materials are permeable to water.
• An insole made of such or other material can be made waterproof by placing a layer of waterproof material on one of its surfaces or in its interior. For this purpose e.g. a slide with
• the insole is not only waterproof but also permeable to water vapor, it is provided with a waterproof, water vapor-permeable functional layer, which is preferably constructed with ePTFE (expanded, microporous polytetrafluoroethylene).
• ePTFE expanded, microporous polytetrafluoroethylene
• a pressure device for example in the form of a pressure pad, with one through the reactive hot melt adhesive is preferably not suitable for this purpose wettable and therefore non-adhesive with the reactive hot melt adhesive, smooth material surface, for example made of non-porous polyterafluoroethylene (also known under the trade name Teflon).
• a pressure pad is preferably used, for example in the form of a rubber pad or air cushion, the
• Press surface with a film said material, for example non-porous polytetrafluoroethylene, is coated, or such a film is arranged between the sole structure provided with the reactive hot-melt adhesive and the pressure pad before the pressing process.
• Figure 1 is a bottom view of a first embodiment of a shoe according to the invention without an outsole;
• Figure 2 is a side view of the sole area of the shoe shown in Figure 1;
• FIG. 3 shows a bottom view of a second embodiment of a shoe according to the invention without an outsole
• FIG. 4 shows a side view of the sole region of the one shown in FIG. 1
• FIG. 5 shows the side view as in FIG. 2, but with an additional schematic illustration of a pressing device for pressing reactive hot-melt adhesive.
• FIG. 6 shows, in cross-section, a third embodiment of a shoe according to the invention with an insole, a vertical shaft end region and an approximately vertical mesh band;
• FIG. 7 shows in cross-section a fourth embodiment of a shoe according to the invention with an insole, a vertical upper material end area, a horizontal functional layer end area and an approximately horizontal mesh band;
• FIG. 8 shows, in cross-section, a fifth embodiment of a shoe according to the invention with an insole, a horizontal shaft end region and an approximately horizontal mesh band;
• Fig. 9 is a perspective sectional view of the fifth embodiment without outsole;
• FIG. 10 shows an illustration as in FIG. 9, but with an outsole
• FIG. 11 is a partially cut perspective view of an entire shoe according to the fifth embodiment.
• FIG. 12 shows a sixth embodiment of a shoe according to the invention with a structure as in the third embodiment, but without a net band;
• Fig. 13 shows a seventh embodiment of a shoe according to the invention, which matches the sixth embodiment, but additionally a fixing glue between the
• FIG. 14 shows an eighth embodiment of a shoe according to the invention with a structure as in the fourth embodiment, but without a net band;
• FIG. 15 shows a ninth embodiment of a shoe according to the invention, which corresponds to the eighth embodiment, but additionally has a fixing bond between the upper material end region and the functional layer;
• FIG. 16 shows a tenth embodiment of a shoe according to the invention with a structure as in the fifth embodiment, but without a net band;
• 17 shows an eleventh embodiment of a shoe according to the invention, which corresponds to the tenth embodiment, but additionally has a fixing adhesive bond between the upper material end region and the functional layer;
• 18 shows a twelfth embodiment of a shoe according to the invention without an insole, in which the functional layer end region is stretched in the horizontal direction with a cord, with a net band;
• FIG. 19 shows a thirteenth embodiment of a shoe according to the invention with a structure as in the twelfth embodiment, but without a net band and with a second cord;
• Fig. 20 shows the fourth embodiment of the invention, but still without outsole, with a pressure device for pressing the previously applied reactive hot melt adhesive
• 21 shows, in a schematic, not to scale, greatly enlarged, two-dimensional representation, a section of a sole structure with reactive hot-melt adhesive reacted by three-dimensional crosslinking of molecular chains.
• the shoe of the first embodiment of the invention shown in FIG. 1 has an insole 1, a shaft with a
• Insole 1 has a lasting fold 2 connected by means of lasting adhesive and reactive hot melt adhesive 3 applied to the underside of lasting sole 1 and lasting fold 2.
• the reactive hot-melt adhesive 3 covers the entire area of the underside of the insole that is not covered by the lasting fold 2 and one area of this
• Such a shoe is preferably produced as follows: First, the insole 1 is attached to the underside of a last (not shown). Then a shaft is stretched over the last, the circumferential edge of the insole underside is provided with conventional lasting adhesive and the lasting fold 2 is pulled onto the underside of the insole and glued to it. Thereafter, the reactive hot-melt adhesive 3 is applied to the undersides of insole 1 and lasting wedge 2 and pressed there in order to obtain an underside of the shoe with a flat and uniform surface.
• FIG. 2 This state of manufacture is shown in FIG. 2 in a side view.
• An outsole (not shown) is then applied to the underside of the shoe provided with the reactive hot-melt adhesive 3, for example by gluing.
• the underside of the shoe or the sole structure is made watertight.
• the second embodiment of the invention shown in FIG. 3 shows a shoe which corresponds to the shoe shown in FIGS. 1 and 2, with the exception that it is provided with an open-pore, clod-friendly material 4 on the lower surface facing away from the insole 1 , which is glued flush in the reactive hot melt adhesive 3.
• an open-pore, clod-friendly material 4 on the lower surface facing away from the insole 1 , which is glued flush in the reactive hot melt adhesive 3.
• FIG. 4 A side view corresponding to FIG. 2 of this shoe of the second embodiment is shown in FIG. 4, the flush bonding of the material 4 with the reactive hot melt adhesive 3 being clearly visible.
• the reactive hot melt adhesive 3 is preferably applied as a viscous adhesive, it being possible for the degree of the liquid to be influenced by the degree of heating of the reactive hot melt adhesive 3.
• FIG. 5 shows, in a very schematic manner, a pressing device 5 for pressing the reactive hot-melt adhesive 3 on the undersides of the insole 1 and the lasting fold 2.
• a pressure pad of the type already mentioned is particularly suitable for this.
• Shoe components used the terms vertically and horizontally. This refers to the representations in the figures and corresponds to the idea that shoes with their outsole are in most cases on a horizontal floor or other type of horizontal surface.
• FIG. 5 shows a highly schematic cross-sectional illustration of a third embodiment of a shoe according to the invention with a shaft 11 which is constructed with an upper material 13 and a functional layer 15 lining the inside thereof.
• the functional layer 15 can be part of a functional layer laminate which has the functional layer and a lining layer on the inside thereof.
• the functional layer 15 can be provided on its outer side facing the upper material 13 with a textile backing (not shown).
• the functional layer and the lining are separate layers of material.
• FIG. 6 shows an insole 17 and a shell-shaped, prefabricated outsole 19 which is constructed with rubber and / or plastic.
• the upper material 13 and the functional layer 15 have a vertical, ie perpendicular to the tread of the outsole 19, ending upper material end region 21 or functional layer end region 23.
• the functional layer end region 23 has a protrusion 25 with respect to the upper material end region 21.
• the protrusion 25 is by means of a Network band 27 bridges.
• a first, upper longitudinal side of the net band is sewn to the lower end of the upper material end region 21 by means of a first seam 29.
• a lower, second long side of the net band 27 is sewn to the insole 17 as well as to the lower end of the functional layer end region 23 by means of a strobe seam 31.
• a reactive hot-melt adhesive 33 which leads to watertightness in the fully reacted state, is applied to the outside of the net tape 27.
• the reactive hot-melt adhesive 33 In the liquid state, which the reactive hot-melt adhesive reaches, for example by heating, the reactive hot-melt adhesive 33 penetrates the mesh tape 27 and penetrates in the region of the protrusion 25 to the outside of the functional layer 15.
• the reactive hot-melt adhesive 33 In the fully reacted state, the reactive hot-melt adhesive 33 then seals this area of the functional layer 15 in a watertight manner.
• Hot melt adhesive 33 applied in such an extent and in such an amount that it also seals the cut edge of the functional layer 15 at the lower end of the functional layer end region 23. Also preferred are the peripheral region of the insole 17 adjoining the functional layer end region 23 and the fastening seams on which the
• Functional layer 15 is involved with sealed.
• Water or other liquid which has penetrated along the water- or liquid-conducting upper material 13 to the lower end of the upper material end region 21 can be caused by this
• Sealing by means of reactive hot-melt adhesive 33 does not reach the inside of the functional layer 15 and thus does not reach the inside lining of the shoe.
• Outsole adhesive 35 applied which can be conventional outsole adhesive, in the form of solvent adhesive or hot melt adhesive.
• outsole adhesive 37 is applied to the outside of the upper 13.
• Fig. 1 is a manufacturing state of the shoe of the first embodiment shown before the outsole 19 is pressed up against the insole 17 to glue it to the insole 17 and the sole-side shaft end region.
• the outsole adhesive 35 reaches the inside of the shell edge 40 of the
• Shoe structure shown larger than it really is.
• the distances between the individual components are such that, after the outsole 19 is pressed against the insole 17, the shell edge 40 lies tightly against the outside of the upper material 13 and sticks to the upper material 13.
• FIG. 7 shows a fourth embodiment of a shoe according to the invention, which largely corresponds to the first embodiment shown in FIG. 6, but differs from the first embodiment in that, in the second embodiment, only the upper material end region 21 ends vertically, but the functional layer end region 23 ends horizontally , ie parallel to the tread of the outsole 19.
• the protrusion 25 of the functional layer end region 23 and essentially also the mesh tape 27 and the reactive hot-melt adhesive 33 therefore run horizontally. Due to the horizontal extension of the functional layer end region 23, the insole 17 does not extend over the entire sole width of the shoe structure but its peripheral edge is at a distance from the vertical part of the shaft 11.
• FIG. 8 shows a fifth embodiment of a shoe according to the invention, in which both the upper material end region 21 and the functional layer end region 23 run horizontally, which also leads to an approximately horizontal extension of the net tape 27 and the reactive hot-melt adhesive 33 in this embodiment.
• Shoe construction allows the use of a plate-shaped outsole 39 since, unlike in the first and the second embodiment, no edging of a vertical end region of the shaft 19 by means of a shell edge of a cup-shaped outsole is required. For this reason, any one can be used for the third embodiment
• Outsole can be used, for example a leather sole, as is desired for shoes of an elegant type. Due to the exclusively horizontal course of the outsole 39, the outsole adhesive 37 applied to the outside of the upper 13 is applied to the horizontally extending upper material end region 21.
• FIG. 9 The fifth embodiment shown in Fig. 8 is shown in Fig. 9 in a partially sectioned perspective view, but still without outsole. This figure shows a last 41, over which the shaft 11 is drawn. Deviating from FIG. 8, FIG. 9 is a separate one
• FIG. 4 shows the shoe construction in a state that has been in which the reactive hot-melt adhesive applied only to the underside of the mesh belt 27, but not yet pressed to advance to the functional-layer end 23 through the mesh belt 27 passes is where 'gestures.
• FIG. 10 shows a shoe construction according to FIG. 9, also in a partially sectioned perspective illustration, after an outsole 39 has been glued to the underside of the insole 17 and to the underside of the vertical region of the upper 11.
• the last 41 is already the shoe taken.
• a circular section of the sole structure is additionally shown in an enlarged view. This shows that the reactive hot-melt adhesive 33 has already reached the functional layer 15 at this stage of manufacture.
• FIG. 11 shows a perspective view of an entire shoe of the fifth embodiment shown in FIG. 10, with a part of the shoe being cut open to illustrate where the shoe according to FIG. 10 is located.
• FIG. 12 shows a sixth embodiment of a shoe according to the invention, which corresponds to the third embodiment shown in FIG. 6 with the exception that in the sixth embodiment there is no net band 27. It is therefore possible to refer as far as possible to the preceding description of the third embodiment.
• Hot melt adhesive 33 in the shaft end area no connection between the lower end of the upper material end area 21 and the lower end of the functional layer end area 23 and the insole 17. Only after the reactive hot melt adhesive 33 has been applied is there a connection between the adhesive hot melt adhesive 33
• Upper material end region 21 is also laterally fixed by means of the shell edge 40 of the outsole 19.
• the seventh embodiment shown in FIG. 13 corresponds to the sixth embodiment shown in FIG. 13 with the only exception that the upper material end region 21 is fixed on the outside of the functional layer 15 by means of fixing adhesive 43. This serves for easier handling of the shaft 11 during manufacturing steps before sticking the outsole 19th
• the eighth embodiment of the invention shown in FIG. 14 shows a shoe construction which corresponds to that of the fourth embodiment according to FIG. 7 with the exception that there is no net band.
• the fourth embodiment reference can be made to the explanations relating to FIG. 7.
• the reactive hot-melt adhesive 33 is applied directly to the outside of the overhang 25
• Functional layer end area 23 applied, which leads to a particularly good, sealing bonding of the functional layer end area 23 by the reactive hot-melt adhesive 33.
• FIG. 15 shows a ninth embodiment, which represents a modification to the eighth embodiment shown in FIG. 14 in that the upper material end region 21 is fixed to the outside of the lower end of the vertical region of the functional layer 15 by means of fixing adhesive 43 before the further production steps are carried out , namely the sewing of the functional layer end region 23 to the insole 17, the application of the reactive hot-melt adhesive 33 and the gluing of the outsole 19.
• the seventh embodiment reference can be made to the previous explanations of the previous figures.
• the tenth embodiment of the invention shown in FIG. 16 is the same as the fifth embodiment shown in FIG. 8 except that there is no network band. It is therefore possible to refer as far as possible to the preceding explanations relating to FIG. 8. In the tenth embodiment, too, the reactive
• Hot melt adhesive 33 is applied directly to the outside of the overhang 25 of the functional layer end region 23, possibly with such an extent that the end of the horizontal upper material end region 21, the peripheral edge of the insole 17 and the strobing seam 31 are also sealed by the reactive
• Hot melt adhesive 33 are included. In this embodiment, there is no fixing adhesive between the functional layer 15 and the upper material end region 21.
• the eleventh embodiment shown in FIG. 17 is the same as the tenth embodiment shown in FIG. 16 with the exception that the upper material end region 21 is fixed on the outside of the functional layer end region 23 by means of a fixing adhesive 43.
• FIG. 18 shows, as the twelfth embodiment of the invention, a shoe without an insole or without an insole in the area of the shoe shown.
• shoes that are built up over part of their shoe length, for example in the forefoot area, without an insole and in the remaining part of the shoe with an insole.
• a cord 45 (also known in specialist circles under the term string loading) is used, by means of which the functional layer end region 23 is lashed together.
• the cord pull 45 has a tubular cord tunnel 49, which runs around the entire inner circumference of the functional layer end region 23, in which there is a cord 51, by means of which the functional layer end region 21 can be lashed together, while the shaft is connected via a (not shown in FIG. 18) Last is excited.
• a net band 27 is sewn on one long side to the upper material end area 21 and on the other long side to the cord tunnel 49 of the cord 45, so that the excess 25 of the functional layer end area 23 is bridged by the net band 27 and the upper material area 21 is kept horizontal.
• Reactive hot-melt adhesive 33 is applied to the underside of the net tape 27 and, in the fully reacted state, leads to a waterproof sealing of the functional layer 15 in the region of the functional layer end region 23.
• the reactive hot-melt adhesive 33 may be dimensioned such that it also includes the cord 45 and / or the seam 29 between the net band 27 and the upper material end region 31 in its sealing.
• outsole adhesive 21 can also be applied to the underside of the upper material end region 21 in this embodiment before the outsole 39 is glued on.
• Fig. 19 shows a thirteenth embodiment which corresponds to the twelfth embodiment shown in Fig. 18 with the exception that it has no net band, but instead a second cord 47 by means of which the upper material end region 21 is lashed together in the horizontal position.
• the reactive Hot melt adhesive 33 is applied directly to the outside of the overhang 25 of the functional layer end region 21.
• the second cord pull 47 has a tubular cord tunnel 49 which extends around the entire inner circumference of the upper material end region
• the reactive hot melt adhesive 33 may be dimensioned such that it also includes the cord pulls 45 and 47 in its seal.
• a manufacturing aid is illustrated in a very schematic representation, namely a pressing device 53, by means of which the reactive hot-melt adhesive 33 can be pressed against the outside of the functional layer end region 21 in the liquid or liquid state .
• a pressing device 53 by means of which the reactive hot-melt adhesive 33 can be pressed against the outside of the functional layer end region 21 in the liquid or liquid state .
• the reactive hot-melt adhesive 33 After the reactive hot-melt adhesive 33 has been applied and, if appropriate, brought into a liquid state by activation, it is pressed in the direction of the
• Functional layer end area 23 pressed in order to ensure a particularly intimate bonding of the reactive hot-melt adhesive 33 to the outside of the functional layer 15 in the functional layer end area 23, which is particularly preferred in the case of shoe designs with mesh tape to ensure that sufficient reactive hot-melt adhesive 33 up to Surface of the functional layer 15 penetrates.
• the pressing device 53 may have a flat-shell shape of the shape shown in FIG. 20 or a shape other than that shown in FIG. 20 have what can depend on the shape of the respective shoe construction.
• the pressure device 53 can also be designed as a pressure cushion, for example in the form of a rubber cushion or an air cushion, ie a cushion filled with air. At least the surface of the pressing device 53, which during the pressing process with the
• Reactive hot melt adhesive 33 comes into contact is made of a material which is not wettable by the reactive hot melt adhesive 33, that is to say it is not bonded to it.
• the surface of the pressing device 53 itself consists of such material or before the pressing process, a film of such material is placed between the sole structure of the footwear and the
• 21 shows, in a schematic, not to scale, greatly enlarged, two-dimensional representation a section of a sole structure with three-dimensional networking of

Landscapes

• Health & Medical Sciences (AREA)
• Epidemiology (AREA)
• General Health & Medical Sciences (AREA)
• Public Health (AREA)
• Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Applications Claiming Priority (5)

Publications (2)

Family

ID=26054617

Family Applications (1)

Country Status (8)

Families Citing this family (9)

Family Cites Families (18)

• 1999
  • 1999-10-28 WO PCT/EP1999/008193 patent/WO2000024282A1/fr active IP Right Grant
  • 1999-10-28 DE DE59909763T patent/DE59909763D1/de not_active Expired - Lifetime
  • 1999-10-28 AU AU13777/00A patent/AU1377700A/en not_active Abandoned
  • 1999-10-28 EP EP99970890A patent/EP1124460B1/fr not_active Expired - Lifetime
  • 1999-10-28 JP JP2000577907A patent/JP2002528154A/ja active Pending
  • 1999-10-28 ES ES99970890T patent/ES2219111T3/es not_active Expired - Lifetime
  • 1999-10-28 AT AT99970890T patent/ATE269011T1/de active
• 2001
  • 2001-04-27 NO NO20012082A patent/NO20012082L/no not_active Application Discontinuation

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events