EP3183983A1 - Inner shoe with an ankle reinforcing element made of plastic material - Google Patents
Inner shoe with an ankle reinforcing element made of plastic material Download PDFInfo
- Publication number
- EP3183983A1 EP3183983A1 EP16206189.9A EP16206189A EP3183983A1 EP 3183983 A1 EP3183983 A1 EP 3183983A1 EP 16206189 A EP16206189 A EP 16206189A EP 3183983 A1 EP3183983 A1 EP 3183983A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plastic material
- reinforcing element
- ankle
- area
- region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 92
- 229920003023 plastic Polymers 0.000 title claims abstract description 67
- 239000004033 plastic Substances 0.000 title claims abstract description 67
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 64
- 210000003423 ankle Anatomy 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 239000007858 starting material Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- -1 polyethylene, ethylene vinyl acetate Polymers 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 210000002683 foot Anatomy 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005056 compaction Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000015220 hamburgers Nutrition 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
- A43B5/04—Ski or like boots
- A43B5/0405—Linings, paddings or insertions; Inner boots
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B19/00—Shoe-shaped inserts; Inserts covering the instep
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/08—Heel stiffeners; Toe stiffeners
- A43B23/16—Heel stiffeners; Toe stiffeners made of impregnated fabrics, plastics or the like
- A43B23/17—Heel stiffeners; Toe stiffeners made of impregnated fabrics, plastics or the like made of plastics
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D11/00—Machines for preliminary treatment or assembling of upper-parts, counters, or insoles on their lasts preparatory to the pulling-over or lasting operations; Applying or removing protective coverings
- A43D11/12—Machines for forming the toe part or heel part of shoes, with or without use of heat
Definitions
- the invention relates to an inner boot, in particular for a shell ski boot, wherein the inner boot has at least one lateral and / or medial side part which extends laterally in the direction of a toe region in the ankle region and has a first plastic material is partially connected to a reinforcing element having a second plastic material having a higher flexural rigidity and / or a higher modulus of elasticity than the first plastic material.
- the invention also relates to a method for producing an inner boot.
- an inner boot which consists essentially of a thermoformable foam, which is provided with an outer reinforcing element.
- the reinforcing element consists of a material which can be thermoformed below 100 ° C. and has a central section over the heel, which divides into two branches which run below the ankle.
- the DE 694 12 764 T2 discloses an innerboot for rear-in-the-boot ski boots which has a slot-filled filling between inner and outer panels.
- a manufacturing method for an inner boot in which a comparatively elastic side part is first provided, in particular in the heel and ankle area with a reinforcing element, before this both the lateral and the medial side part comprehensive unit is pulled over a natural foot of a user simulated strips , and under heat thermoformed.
- the aim of the present invention is now in particular to improve the transmission of power through the inner boot, but without compromising the ease of fit for the user in critical areas, especially in the ankle area.
- the fit of the liner should even be improved.
- the reinforcing element is formed such that the ankle region is at least partially recessed and the reinforcing element at least partially encloses the ankle region, in particular in an area above and / or below and / or behind the region of the ankle is provided.
- a type of frame is formed of a comparatively rigid material which transmits the forces substantially directly to a shell or the like enclosing the inner shoe, so that the inner boot according to the invention allows improved control.
- the particularly pressure-sensitive ankle area is not covered by the comparatively unyielding reinforcing element, so that there are no disadvantages in terms of comfort for the user. Due to the transmission of forces via the at least partially frame-shaped reinforcing element pressure-sensitive areas, such as the ankle area, even relieved.
- a lateral side part in which the reinforcing element is designed such that a base hamburger area is recessed. Furthermore, it is favorable if a medial side part is provided, in which the reinforcing element is designed such that a navicular area is recessed.
- a reinforcing element is provided on the inside of the foot neither in the ankle nor in the boat area, so that power transmission and ease of fit are further improved.
- the first plastic material of the side part is a heat-deformable foamed plastic material, in particular polyethylene foam, is provided.
- the foamed plastic material is provided with a comparatively thin, preferably textile, cover layer, in particular polyethylene, polyester, polyurethane, polyamide, polypropylene, PVC, or SBS, the foam material is protected against possible damage and the cover layer can additionally have a water-repellent effect ,
- the modulus of elasticity of the second plastic material of the reinforcing element at least the 5- ause, preferably 5-fold to 10-fold, of the modulus of elasticity of the first plastic material is. It is advantageous if the reinforcing element consists at least in sections of a thermoplastic elastomer, in particular ethylene vinyl acetate (EVA), thermoplastic polyurethane (TPU), or polyvinyl chloride (PVC).
- EVA ethylene vinyl acetate
- TPU thermoplastic polyurethane
- PVC polyvinyl chloride
- the first plastic material is partially compressed in at least one zone, which is recessed by the reinforcing element. Due to the compression results in a smaller wall thickness in the compacted Areas, so that in the compressed areas each form a kind of virtual pivot axis, to which the uncompressed, subsequent area can be deflected easier than when the plastic material is left completely uncompacted.
- the densified areas - as stated above - serve essentially as a kind of pivot axis, it is advantageous if the first plastic material is compressed in such a way that at least one substantially linear depression is provided which has a significantly greater extension in the longitudinal direction than in FIG Transverse direction has.
- the line-shaped configuration can thus be used to define the direction in which the first plastic material can swing out, ie yield, so that a targeted flexibilization of the inner shoe can be achieved with the aid of such linear depressions or compactions.
- the compacted areas which are relatively small when viewed on the surface, have a higher material hardness, but advantageously allow the adjacent uncompressed areas to be swiveled out in a simple manner.
- a plurality of line-shaped depressions are provided around a common central region, preferably substantially annularly, wherein the distance between two adjacent depressions is preferably less than 30 mm, in particular less than 20 mm, preferably at least sections between 5 mm and 15 mm, on the one hand the relatively soft, uncompacted surfaces maintained on the other hand, increased by the plurality of compacted areas, the adaptability or flexibility of the zone.
- the recesses As an alternative to a substantially annular configuration of the recesses, which is advantageous in particular around a central elevation at the foot of the user (simmer, scaphoid, base hamburger area), it is favorable to have several more in other areas in which the foot has a substantially lobed elevation to provide substantially parallel, line-shaped recesses, wherein the distance between two adjacent recesses preferably less than 30mm, in particular less than 20mm, preferably at least partially between 5mm and 15mm.
- the extent of the linear depression in the transverse direction is preferably less than 10 mm, in particular less than 5 mm, particularly preferably between 1 mm and 3 mm ,
- the first material is compacted in the region in which it is connected to the reinforcing material.
- the material thickness of the reinforcing element substantially corresponds to the material thickness reduction due to the compression of the first plastic material.
- the inventive method for producing an inner boot, in particular for a shell ski boot, with which an inner boot according to the invention can be produced in an efficient manner provides that the inner boot a arranged in the ankle in the ankle area, laterally in the direction of a toe area forwardly extending side part for which a substantially planar sheet-like first plastic material is used as the starting material, and which is a reinforcing element of a second sheet-like plastic material formed, preferably cut, wherein the plastic material of the reinforcing member has a higher flexural rigidity and / or a has higher modulus of elasticity than the first plastic material.
- the reinforcing element is connected to the starting material or side part blank, wherein the two plastic materials are in particular connected to each other either by gluing or welding.
- the reinforcing element is inserted into a press such that the ankle area is at least partially recessed and the reinforcing element at least partially encloses the ankle area, in particular in an area above / below and / or behind the area of the ankle.
- the first plastic material which is preferably foam-like, and to connect it to the reinforcing element, it is advantageous if the first plastic material is heated to a temperature above the softening temperature, preferably to a temperature of 10 ° C to 20 ° Above the softening temperature, in particular to a temperature between 80 ° and 130 ° C, more preferably to a temperature between 90 ° C and 120 ° C.
- the reinforcing element acts essentially as a kind of stamp, which penetrates during the pressing operation in the softened first plastic material, this compacted and advantageously also in the form of a welded joint , so that in a single process step several desired effect can be achieved.
- At least two, separate reinforcing elements are inserted into the mold, at least two side parts can be made at the same time.
- a reinforcing element inserted into the mold can then also be cut so that four side parts (two medial, two lateral) can then be produced in a single method step.
- Fig. 1 an alpine ski boot 1 is shown, which has an outer shell 2, which is composed of a lower shell part 3 and an upper shell part 3 '.
- the upper shell part 3 ' is pivotally mounted relative to the lower shell part 3 about an axis 4.
- an inner shoe 5 is added, as shown in more detail in Fig.2 and 3 is shown.
- the inner shoe 5 is in this case in particular composed of a lateral side part 6, a medial side part 7 (cf. Fig. 3 ) a sole 8, tongue 9, as well as a cuff 10 adjoining the respective upper end of the lateral and medial side parts 6, 7; On the inside, a padding and a lining is provided at least in sections.
- the side parts 6, 7 according to the invention each have a reinforcing element 12 made of a relatively stiff material 12 ', for example Ethylene vinyl acetate (EVA), wherein the lateral reinforcing element 12 in Fig. 5 shown in detail.
- EVA Ethylene vinyl acetate
- an ankle area 11 is recessed in order not to adversely affect the fitting comfort in this neuralgic area 11 '.
- the reinforcing element 12 is substantially frame-shaped, and surrounds - as in Fig. 5 apparent - essentially the ankle area 11.
- Fig. 4 it can be seen that the two side parts 6, 7 including the reinforcing elements 12 are connected together in a heel region 13 along a connecting surface 14, preferably via an adhesive connection or a welded connection.
- the two side parts 6, 7 including the reinforcing elements 12 may also be designed as a common part.
- a first plastic material of the side parts 6, 7 provided as basic material or starting material is also partially compressed.
- FIG. 6 and 7 An example of the concrete embodiment of such a compression is particularly in the 6 and 7 seen.
- these zones 11 '- as shown in detail by the ankle area - a plurality of substantially line-shaped material compaction regions or depressions 15 are provided in order to flexibilize in these neuralgic zones 11' a plastic material 17 of the side parts 6, 7 and thus a better adaptability of the side part 6, 7 to the foot, in particular to projecting portions of the human foot (ankle, navicular, etc.) to achieve.
- the provided as a base material plastic material 17 of the side parts 6, 7 covers this - as in Fig. 2 and 6 visible - at least the ankle area 11 and extends forward in the direction of a toe area 11 ''.
- the side parts 6, 7 are each connected to the sole 8.
- the essentially linear compression areas 15 in this case act essentially as virtual pivot axes about which the adjacent, uncompressed areas 16 can be deflected with higher material thickness with less force than if the side parts 6, 7 are free of such densifications.
- a plurality of the linear material compaction regions 15 are arranged around a central region 16, which is arranged substantially in the region of a foot protrusion have a substantially annular course.
- annular is not necessarily meant a closed structure, but only that the line-shaped compression regions 15 are arranged circumferentially over a majority of the central region 16 and in this case substantially concentric with each other.
- the side parts 6, 7 in the ankle region 11 thus in a pressing process in the first plastic material 17 incorporated three-dimensional deformation, so that the basic shape of the side part 6, 7 differing from a substantially planar flat initial shape better to the anatomy of Foot of the user is adjusted.
- - as also in Fig. 6 can not be made substantially annular, but in the form of V-shaped or preferably L-shaped lines are arranged substantially parallel to each other.
- a press 18 has a lower part 18 'for producing the side part 6, 7 according to the invention, wherein it can be seen that this is a substantially plate-shaped main body 19 in which - in the embodiment shown, two recesses 20 are provided, which are provided for receiving a reinforcing element 12.
- the reinforcement elements 14 are inserted in the cold state into these recesses 20 of the lower part 18 'of the mold, since a deformation or compression of the reinforcing element 14 is not required.
- thermoformable polyethylene foam is advantageously provided with a textile cover layer.
- the starting material 17 is first heated above its softening temperature, in the embodiment shown with a polyethylene foam to about 80 ° to 130 ° C, then in the heated state in the Press 18 is inserted.
- a warming can take place only within the press 18.
- the lower part 18 'and the upper part 18 are pressed together at a pressure of about 5 bar to 10 bar, so that - as in Fig. 10 shown schematically - the thermoplastic material 17 corresponding to the relief-shaped recess 20 in the lower part 18 'of the press 18 is deformed.
- the upper part 18 "of the mold has a projecting punch 21 which is essentially modeled on the shape of the natural ankle of the human foot 17.
- the starting material 17 and the reinforcing element 12 can also be joined, in particular by gluing or welding.
- the starting material 17 in the press 18 is also compressed in those areas in which the reinforcing element 12 is provided.
- the degree of compaction corresponds here to the material thickness or thickness of the reinforcing element 12, so that after connection of the starting material 17 and reinforcing element 12 a substantially planar outer surface is achieved.
Abstract
Innenschuh (5), insbesondere für einen Schalen-Skischuh (1), sowie Verfahren zur Herstellung eines Innenschuhs, wobei der Innenschuh (5) zumindest einen im angezogenen Zustand im Knöchelbereich (11) angeordneten, sich seitlich in Richtung eines Zehenbereichs (11'') nach vorne erstreckenden lateralen und/oder medialen Seitenteil (6, 7) aufweist, der ein erstes Kunststoff-Material (17) aufweist und bereichsweise mit einem Verstärkungselement (12) verbunden ist, das ein zweites Kunststoff-Material aufweist (12'), das eine höhere Biegesteifigkeit und/oder ein höheres Elastizitätsmodul als das erste Kunststoff-Material (17) aufweist, wobei das Verstärkungselement (12) derart ausgebildet ist, dass der Knöchelbereich (11) zumindest teilweise ausgespart ist und das Verstärkungselement (12) den Knöchelbereich (11) zumindest abschnittsweise einfasst, insbesondere in einem Bereich ober-/unterhalb und/oder hinter dem Knöchelbereich (11) vorgesehen ist.Inner shoe (5), in particular for a shell ski boot (1), and method for producing an inner shoe, wherein the inner shoe (5) arranged at least one in the ankle in the ankle region (11), laterally in the direction of a toe area (11 '' ) has forwardly extending lateral and / or medial side part (6, 7), which has a first plastic material (17) and is partially connected to a reinforcing element (12), which has a second plastic material (12 '), which has a higher flexural rigidity and / or a higher modulus of elasticity than the first plastic material (17), wherein the reinforcing element (12) is designed such that the ankle region (11) is at least partially recessed and the reinforcing element (12) covers the ankle region ( 11) at least in sections, in particular in an area above / below and / or behind the ankle area (11) is provided.
Description
Die Erfindung betrifft einen Innenschuh, insbesondere für einen Schalen-Skischuh, wobei der Innenschuh zumindest einen im angezogenen Zustand im Knöchelbereich angeordneten, sich seitlich in Richtung eines Zehenbereichs nach vorne erstreckenden lateralen und/oder medialen Seitenteil aufweist, der ein erstes Kunststoff-Material aufweist und bereichsweise mit einem Verstärkungselement verbunden ist, das ein zweites Kunststoff-Material aufweist, das eine höhere Biegesteifigkeit und/oder ein höheres Elastizitätsmodul als das erste Kunststoff-Material aufweist. Die Erfindung betrifft zudem ein Verfahren zur Herstellung eines Innenschuhs.The invention relates to an inner boot, in particular for a shell ski boot, wherein the inner boot has at least one lateral and / or medial side part which extends laterally in the direction of a toe region in the ankle region and has a first plastic material is partially connected to a reinforcing element having a second plastic material having a higher flexural rigidity and / or a higher modulus of elasticity than the first plastic material. The invention also relates to a method for producing an inner boot.
Aus dem Stand der Technik sind bereits verschiedenste Innenschuhe, welche zur Aufnahme in einer vergleichsweise steifen Schale, im Speziellen der Schale eines Skischuhs aufgenommen werden, bekannt.From the prior art are already a variety of inner shoes, which are recorded for inclusion in a relatively stiff shell, in particular the shell of a ski boot known.
Aus der
Die
Aus der
Aus der
Weiters ist aus der
Aus der
Ziel der vorliegenden Erfindung ist nun insbesondere die Kraftübertragung über den Innenschuh zu verbessern, ohne jedoch den Passkomfort für den Benutzer in neuralgischen Bereichen, insbesondere im Knöchelbereich zu verschlechtern. Vorzugsweise soll in diesen neuralgischen Bereichen die Passform des Innenschuhs sogar verbessert werden.The aim of the present invention is now in particular to improve the transmission of power through the inner boot, but without compromising the ease of fit for the user in critical areas, especially in the ankle area. Preferably, in these neuralgic areas, the fit of the liner should even be improved.
Erfindungsgemäß wird dies dadurch erzielt, dass das Verstärkungselement derart ausgebildet ist, dass der Knöchelbereich zumindest teilweise ausgespart ist und das Verstärkungselement den Knöchelbereich zumindest abschnittsweise einfasst, insbesondere in einem Bereich ober- und/oder unterhalb und/oder hinter dem Bereich des Knöchels vorgesehen ist.According to the invention this is achieved in that the reinforcing element is formed such that the ankle region is at least partially recessed and the reinforcing element at least partially encloses the ankle region, in particular in an area above and / or below and / or behind the region of the ankle is provided.
Somit wird erfindungsgemäß eine Art Rahmen aus einem vergleichsweise steifen Material gebildet, der die Kräfte im Wesentlichen direkt auf eine den Innenschuh umschließende Schale oder dergleichen überträgt, so dass der erfindungsgemäße Innenschuh eine verbesserte Kontrolle ermöglicht. Der besonders druckempfindliche Knöchelbereich wird von dem vergleichsweise unnachgiebigen Verstärkungselement nicht bedeckt, so dass sich hinsichtlich des Komforts für den Benutzer keine Nachteile ergeben. Durch die Kräfteübertragung über das zumindest abschnittsweise rahmenförmige Verstärkungselement werden druckempfindliche Bereiche, wie der Knöchelbereich, sogar entlastet.Thus, according to the invention, a type of frame is formed of a comparatively rigid material which transmits the forces substantially directly to a shell or the like enclosing the inner shoe, so that the inner boot according to the invention allows improved control. The particularly pressure-sensitive ankle area is not covered by the comparatively unyielding reinforcing element, so that there are no disadvantages in terms of comfort for the user. Due to the transmission of forces via the at least partially frame-shaped reinforcing element pressure-sensitive areas, such as the ankle area, even relieved.
Um die wesentlichen neuralgischen Bereiche auf der Fußaußenseite zu entlasten, ist es von Vorteil, wenn ein lateraler Seitenteil vorgesehen ist, bei welchem das Verstärkungselement derart ausgebildet ist, dass ein Basishöckerbereich ausgespart ist. Weiters ist es günstig, wenn ein medialer Seitenteil vorgesehen ist, bei welchem das Verstärkungselement derart ausgebildet ist, dass ein Kahnbeinbereich ausgespart ist. Somit ist auf der Fußinnenseite weder im Knöchel- noch im Kahnbereich ein Verstärkungselement vorgesehen, so dass Kraftübertragung und Passkomfort weiter verbessert werden.In order to relieve the essential neuralgic areas on the foot outside, it is advantageous if a lateral side part is provided, in which the reinforcing element is designed such that a base hamburger area is recessed. Furthermore, it is favorable if a medial side part is provided, in which the reinforcing element is designed such that a navicular area is recessed. Thus, a reinforcing element is provided on the inside of the foot neither in the ankle nor in the boat area, so that power transmission and ease of fit are further improved.
Um einen guten Passkomfort zu erzielen und das als Basismaterial des Seitenteils vorgesehene erste Kunststoff-Material unter dem Einfluss von Wärme und Druck auf einfache Weise formen zu können, ist es günstig, wenn als erstes Kunststoff-Material des Seitenteils ein warmverformbares geschäumtes Kunststoff-Material, insbesondere Polyethylen-Schaum, vorgesehen ist.In order to achieve a good fit comfort and to be able to easily form the first plastic material provided as the base material of the side part under the influence of heat and pressure, it is favorable if the first plastic material of the side part is a heat-deformable foamed plastic material, in particular polyethylene foam, is provided.
Wenn das geschäumte Kunststoff-Material mit einer vergleichsweise dünnen, vorzugsweise textilen, Deckschicht, insbesondere aus Polyethylen, Polyester, Polyurethan, Polyamid, Polypropylen, PVC, oder SBS, versehen ist, ist das Schaummaterial gegen etwaige Beschädigung geschützt und die Deckschicht kann zudem wasserabweisend wirken.If the foamed plastic material is provided with a comparatively thin, preferably textile, cover layer, in particular polyethylene, polyester, polyurethane, polyamide, polypropylene, PVC, or SBS, the foam material is protected against possible damage and the cover layer can additionally have a water-repellent effect ,
Um eine besonders klare Differenzierung zwischen dem als Kraftübertragungselement vorgesehenen Verstärkungselement aus dem zweiten Kunststoff-Material und dem dem Passkomfort dienenden ersten Kunststoff-Material zu erzielen, ist es von Vorteil, wenn der E-Modul des zweiten Kunststoff-Materials des Verstärkungselements zumindest das 5-Fache, vorzugsweise das 5-fache bis 10-Fache, des E-Moduls des ersten Kunststoff-Materials beträgt. Hierbei ist es vorteilhaft, wenn das Verstärkungselement zumindest abschnittsweise aus einem ein thermoplastisches Elastomer, insbesondere Ethylenvinylacetat (EVA), thermoplastisches Polyurethan (TPU), oder Polyvinylchlorid (PVC), besteht.In order to achieve a particularly clear differentiation between the intended as a force transmission element reinforcing element of the second plastic material and the comfort of use first plastic material, it is advantageous if the modulus of elasticity of the second plastic material of the reinforcing element at least the 5- Fache, preferably 5-fold to 10-fold, of the modulus of elasticity of the first plastic material is. It is advantageous if the reinforcing element consists at least in sections of a thermoplastic elastomer, in particular ethylene vinyl acetate (EVA), thermoplastic polyurethane (TPU), or polyvinyl chloride (PVC).
Um die Flexibilität des ersten Kunststoff-Materials lokal zu erhöhen, ist es von Vorteil, wenn das erste Kunststoff-Material in zumindest einer Zone, welche von dem Verstärkungselement ausgespart ist, bereichsweise verdichtet ist. Aufgrund der Verdichtung ergibt sich eine geringere Wandstärke in den verdichteten Bereichen, so dass sich in den verdichteten Bereichen jeweils eine Art virtuelle Schwenkachse ausbildet, an welche der unverdichtete, anschließende Bereich einfacher ausgelenkt werden kann, als wenn das Kunststoff-Material durchgehend unverdichtet belassen wird.In order to increase the flexibility of the first plastic material locally, it is advantageous if the first plastic material is partially compressed in at least one zone, which is recessed by the reinforcing element. Due to the compression results in a smaller wall thickness in the compacted Areas, so that in the compressed areas each form a kind of virtual pivot axis, to which the uncompressed, subsequent area can be deflected easier than when the plastic material is left completely uncompacted.
Da die verdichteten Bereiche - wie vorstehend ausgeführt - im Wesentlichen als eine Art Schwenkachse dienen, ist es vorteilhaft, wenn das erste Kunststoff-Material derart verdichtet ist, dass zumindest eine im Wesentlichen linienförmige Vertiefung vorgesehen ist, welche eine deutlich größere Erstreckung in Längsrichtung als in Querrichtung aufweist. Mit der linienförmigen Ausgestaltung kann somit definiert werden, in welche Richtung das erste Kunststoff-Material ausschwenken, dh nachgeben kann, so dass mit Hilfe derartiger linienförmigen Vertiefungen bzw. Verdichtungen eine gezielte Flexibilisierung des Innenschuhs erreicht werden kann.Since the densified areas - as stated above - serve essentially as a kind of pivot axis, it is advantageous if the first plastic material is compressed in such a way that at least one substantially linear depression is provided which has a significantly greater extension in the longitudinal direction than in FIG Transverse direction has. The line-shaped configuration can thus be used to define the direction in which the first plastic material can swing out, ie yield, so that a targeted flexibilization of the inner shoe can be achieved with the aid of such linear depressions or compactions.
Wenn in einer Zone zumindest zwei linienförmige Vertiefungen vorgesehen sind, welche dazwischen einen nicht verdichteten Auslenkbereich definieren, oder zumindest eine einen Auslenkbereich definierenden, im Wesentliche ringförmige Vertiefung vorgesehen ist, verleibt die größere Fläche, mit welcher der Fuß des Benutzers interagiert unverdichtet und weist somit eine geringere Materialhärte als die verdichteten Bereiche auf. Die - auf die Fläche gesehen - verhältnismäßig klein gehaltenen verdichteten Bereiche weisen zwar eine höhere Materialhärte auf, ermöglichen den angrenzenden unverdichteten Bereichen aber vorteilhafterweise auf einfache Weise auszuschwenken.If at least two line-shaped depressions are provided in a zone, which define an uncompressed deflection region therebetween, or at least one substantially annular depression defining a deflection region is provided, the larger surface with which the user's foot interacts uncompensated and thus has one lower material hardness than the densified areas. The compacted areas, which are relatively small when viewed on the surface, have a higher material hardness, but advantageously allow the adjacent uncompressed areas to be swiveled out in a simple manner.
Wenn mehrere linienförmigen Vertiefungen um einen gemeinsamen Zentralbereich herum, vorzugsweise im Wesentlichen ringförmig, vorgesehen sind, wobei der Abstand zwischen zwei benachbarten Vertiefungen vorzugsweise unter 30mm, insbesondere unter 20mm beträgt, bevorzugt zumindest abschnittsweise zwischen 5mm und 15mm, werden einerseits die verhältnismäßig weichen, unverdichteten Flächen beibehalten anderseits durch die Mehrzahl an verdichteten Bereichen die Anpassbarkeit bzw. Flexibilität der Zone erhöht.If a plurality of line-shaped depressions are provided around a common central region, preferably substantially annularly, wherein the distance between two adjacent depressions is preferably less than 30 mm, in particular less than 20 mm, preferably at least sections between 5 mm and 15 mm, on the one hand the relatively soft, uncompacted surfaces maintained on the other hand, increased by the plurality of compacted areas, the adaptability or flexibility of the zone.
Alternativ zu einer im Wesentlichen ringförmigen Ausgestaltung der Vertiefungen, welche insbesondere rund um eine zentrale Erhebung am Fuß des Benutzers (Köchel, Kahnbein, Basishöckerbereich) vorteilhaft ist, ist es günstig, in anderen Bereichen, in welchen der Fuß eine im Wesentliche gratförmige Erhebung aufweist mehrere im Wesentlichen parallel zueinander verlaufende, linienförmigen Vertiefungen vorzusehen, wobei der Abstand zwischen zwei benachbarten Vertiefungen vorzugsweise unter 30mm, insbesondere unter 20mm, bevorzugt zumindest abschnittsweise zwischen 5mm und 15mm, beträgt.As an alternative to a substantially annular configuration of the recesses, which is advantageous in particular around a central elevation at the foot of the user (simmer, scaphoid, base hamburger area), it is favorable to have several more in other areas in which the foot has a substantially lobed elevation to provide substantially parallel, line-shaped recesses, wherein the distance between two adjacent recesses preferably less than 30mm, in particular less than 20mm, preferably at least partially between 5mm and 15mm.
Um den Innenschuh durch die Verdichtungen zu flexibilisieren ohne zugleich in flächigen Bereichen eine nachteilige Erhöhung der Materialhärte zu erzielen, ist es von Vorteil, wenn die Erstreckung der linienförmige Vertiefung in Querrichtung vorzugsweise unter 10mm, insbesondere unter 5mm, besonders bevorzugt zwischen 1mm und 3mm, beträgt.In order to flexibilize the inner boot through the compaction without at the same time achieving a disadvantageous increase in the material hardness in areal regions, it is advantageous if the extent of the linear depression in the transverse direction is preferably less than 10 mm, in particular less than 5 mm, particularly preferably between 1 mm and 3 mm ,
Für eine zusätzliche Versteifung des Innenschuhs im Bereich des Verstärkungselements und somit für eine weitere Verbesserung der Kraftübertragung ist es vorteilhafter, wenn das erste Material in jenem Bereich, in welchem es mit dem Verstärkungsmaterial verbunden ist, verdichtet ist.For an additional stiffening of the inner boot in the region of the reinforcing element and thus for a further improvement of the force transmission, it is more advantageous if the first material is compacted in the region in which it is connected to the reinforcing material.
Um erhabene Bereiche, über welche sodann lokal zunächst ein Kontakt mit einer den Innenschuh umgebenden Schale oder dergl. hergestellt würde, zu vermeiden und eine im Wesentlichen ebene ausgebildete äußere Oberfläche zu erzielen, über welche somit möglichst großflächig eine Anlage auf der Innenseite einer äußeren Schale oder dergl. erzielt wird, ist es von Vorteil, wenn in jenen Bereichen, in welchen das Verstärkungselements vorgesehen ist, die Materialstärke des Verstärkungselements im Wesentlichen der Materialstärkenverringerung aufgrund der Verdichtung des ersten Kunststoff-Materials entspricht.In order to avoid raised areas over which then locally first a contact with a shell or the like surrounding the inner shoe would be produced, and to achieve a substantially flat outer surface, over which thus an investment on the inside of an outer shell or as large as possible Like. Is achieved, it is advantageous if in those areas in which the reinforcing element is provided, the material thickness of the reinforcing element substantially corresponds to the material thickness reduction due to the compression of the first plastic material.
Um die gewünschte erhöhte Flexibilität im Seitenteil zu erzielen, welche durch die Ausbildung von einer Art Schwenkachse um materialverjüngte, verdichtete Bereiche erzielt wird, hat sich als günstig herausgestellt, wenn die Materialstärke des ersten Kunststoff-Materials in den verdichten Bereichen um 20% bis 60%, insbesondere um 30% bis 50%, der Materialstärke in den nicht verdichten Bereichen beträgt.In order to achieve the desired increased flexibility in the side part, which is achieved by the formation of a kind of pivot axis to material-tapered, compacted areas, has proven to be favorable when the material thickness of the first plastic material in the densified areas by 20% to 60% . in particular by 30% to 50%, the material thickness is in the non-compacted areas.
Das erfindungsgemäße Verfahren zur Herstellung eines Innenschuhs, insbesondere für einen Schalen-Skischuh, mit welchem ein erfindungsgemäßer Innenschuh auf effiziente Weise herstellbar ist, sieht vor, dass der Innenschuh einen im angezogenen Zustand im Knöchelbereich angeordneten, sich seitlich in Richtung eines Zehenbereichs nach vorne erstreckenden Seitenteil aufweist, für welchen ein im Wesentlichen ebenes bahnförmiges erstes Kunststoff-Material als Ausgangsmaterial verwendet wird, und das ein Verstärkungselement aus einem zweiten bahnförmigen Kunststoff-Material geformt, vorzugsweise geschnitten, wird, wobei das Kunststoff-Material des Verstärkungselements eine höhere Biegesteifigkeit und/oder einen höheren Elastizitätsmodul als das erste Kunststoff-Material aufweist. Das Verstärkungselement wird mit dem Ausgangsmaterial bzw. Seitenteil-Rohling verbunden, wobei die beiden Kunststoff-Materialien insbesondere entweder mittels Kleben oder Schweißen miteinander verbunden werden. Erfindungsgemäß ist vorgesehen, dass das Verstärkungselement derart in eine Presse eingelegt wird, dass der Knöchelbereich zumindest teilweise ausgespart ist und das Verstärkungselement den Knöchelbereich zumindest abschnittsweise einfasst, insbesondere in einem Bereich ober-/unterhalb und/oder hinter dem Bereich des Knöchels vorgesehen ist.The inventive method for producing an inner boot, in particular for a shell ski boot, with which an inner boot according to the invention can be produced in an efficient manner, provides that the inner boot a arranged in the ankle in the ankle area, laterally in the direction of a toe area forwardly extending side part for which a substantially planar sheet-like first plastic material is used as the starting material, and which is a reinforcing element of a second sheet-like plastic material formed, preferably cut, wherein the plastic material of the reinforcing member has a higher flexural rigidity and / or a has higher modulus of elasticity than the first plastic material. The reinforcing element is connected to the starting material or side part blank, wherein the two plastic materials are in particular connected to each other either by gluing or welding. According to the invention, the reinforcing element is inserted into a press such that the ankle area is at least partially recessed and the reinforcing element at least partially encloses the ankle area, in particular in an area above / below and / or behind the area of the ankle.
Um das erste Kunststoff-Material, welches vorzugsweise schaumförmig ist, zu verdichten und mit dem Verstärkungselement zu verbinden ist es von Vorteil, wenn das erste Kunststoff-Material auf eine Temperatur oberhalb der Erweichungstemperatur erwärmt wird, vorzugsweise auf eine Temperatur 10°C bis 20° oberhalb der Erweichungstemperatur, insbesondere auf eine Temperatur zwischen 80° und 130°C, besonders bevorzugt auf eine Temperatur zwischen 90°C und 120°C.To compress the first plastic material, which is preferably foam-like, and to connect it to the reinforcing element, it is advantageous if the first plastic material is heated to a temperature above the softening temperature, preferably to a temperature of 10 ° C to 20 ° Above the softening temperature, in particular to a temperature between 80 ° and 130 ° C, more preferably to a temperature between 90 ° C and 120 ° C.
Wenn das erste Kunststoff-Material mit einer Temperatur oberhalb der Erweichungstemperatur des ersten Kunststoff-Materials, und das zweite Kunststoff-Material mit einer Temperatur unterhalb der Erweichungstemperatur des zweiten Kunststoff-Materials in die Pressform eingelegt wird, und das erste Kunststoff-Material in jenen Bereichen, in welchen das zweite Kunststoff-Material vorgesehen ist, verdichtet wird, wirkt das Verstärkungselement im Wesentlich als eine Art Stempel, welcher während des Pressvorgangs in das erweichte erste Kunststoff-Material eindringt, dieses verdichtet und vorteilhafterweise auch in Form einer Schweißverbindung verbindet, so das in einem einzigen Verfahrensschritt mehrere gewünschte Effekt erzielt werden können.When the first plastic material having a temperature above the softening temperature of the first plastic material, and the second plastic material having a temperature below the softening temperature of the second plastic material is inserted into the mold, and the first plastic material is compressed in those areas in which the second plastic material is provided, the reinforcing element acts essentially as a kind of stamp, which penetrates during the pressing operation in the softened first plastic material, this compacted and advantageously also in the form of a welded joint , so that in a single process step several desired effect can be achieved.
Wenn aus dem in die Pressform eingelegten bahnförmigen Kunststoff-Material zumindest zwei Seitenteile, insbesondere vier Seitenteile, geschnitten werden, können in einem einzigen Pressvorgang sogleich mehrere erfindungsgemäße Seitenteile hergestellt werden. Dies erhöht somit vorteilhafterweise die Verfahrenseffizienz.If at least two side parts, in particular four side parts, are cut out of the sheet-like plastic material inserted into the press mold, several side parts according to the invention can be produced in a single pressing process. This advantageously increases the process efficiency.
Sofern zumindest zwei, gesonderte Verstärkungselemente in die Pressform eingelegt werden, können jedenfalls zugleich zwei Seitenteile gefertigt werden. Es kann ein in die Pressform eingelegtes Verstärkungselement danach aber auch geschnitten werden, so dass dann in einem einzigen Verfahrensschritt sogleich vier Seitenteile (zwei mediale, zwei laterale) hergestellt werden können. Alternativ kann aber auch ein gemeinsames Verstärkungselement, das sowohl die mediale als auch die laterale Seite abschnittsweise abdeckt, vorgesehen sein. Im Fersenbereich ist der Seitenteil dann - samt Verstärkungselement - durchgehend, dh ohne Verbindungsbereich, ausgebildet.If at least two, separate reinforcing elements are inserted into the mold, at least two side parts can be made at the same time. However, a reinforcing element inserted into the mold can then also be cut so that four side parts (two medial, two lateral) can then be produced in a single method step. Alternatively, however, it is also possible to provide a common reinforcement element which covers both the medial and the lateral side in sections. In the heel area, the side part is then-including the reinforcing element-continuous, ie without connection area.
Die Erfindung wird anhand von in der Zeichnung dargestellten bevorzugten Ausführungsbeispielen, auf welche sie jedoch nicht beschränkt sein soll, noch näher erläutert. Im Einzelnen zeigen in den Zeichnungen:
-
Fig. 1 die Ansicht eines Alpin-Skischuhs mit einem in einer äußeren Schale aufgenommenen Innenschuh; -
Fig. 2 eine Ansicht auf die laterale Seite eines erfindungsgemäßen Innenschuhs; -
Fig. 3 eine Ansicht auf die mediale Seite eines erfindungsgemäßen Innenschuhs; -
Fig. 4 eine Ansicht auf die Hinterseite eines erfindungsgemäßen Innenschuhs; -
Fig. 5 eine Ansicht eines Verstärkungselements des Seitenteils; -
Fig. 6 eine Ansicht eines erfindungsgemäßen Seitenteils des Innenschuhs; -
Fig. 7 einen Schnitt VII-VII inFig. 6 ; -
Fig. 8 eine perspektivische Ansicht auf einen Unterteil einer Pressform zur Herstellung des erfindungsgemäßen Innenschuhs; -
Fig. 9 eine perspektivische Ansicht einer Pressform mit eingelegten Verstärkungsteilen und einem bandförmigen Ausgangsmaterials des Seitenteils; -
Fig. 10 einen Ausschnitt eines Querschnitts durch die Pressform mit eingelegtem Ausgangsmaterial und Verstärkungselement in der Verformungs- bzw. Verdichtungsstellung.
-
Fig. 1 the view of an alpine ski boot with a recorded in an outer shell liner; -
Fig. 2 a view of the lateral side of an inner boot according to the invention; -
Fig. 3 a view of the medial side of an inner boot according to the invention; -
Fig. 4 a view of the rear side of an inner boot according to the invention; -
Fig. 5 a view of a reinforcing element of the side part; -
Fig. 6 a view of a side part of the inner boot according to the invention; -
Fig. 7 a section VII-VII inFig. 6 ; -
Fig. 8 a perspective view of a lower part of a mold for producing the inner boot according to the invention; -
Fig. 9 a perspective view of a mold with inserted reinforcing parts and a band-shaped starting material of the side part; -
Fig. 10 a section of a cross section through the mold with inserted starting material and reinforcing element in the deformation or compression position.
In
Der Innenschuh 5 setzt sich hierbei insbesondere aus einem lateralen Seitenteil 6, einem medialen Seitenteil 7 (vgl.
Wie in den
Um die Kraftübertragung über den Innenschuh 5 auf die Schale 2 zu verbessern, ist das Verstärkungselement 12 im Wesentlichen rahmenförmig ausgebildet, und umschließt - wie in
In
Im Knöchelbereich 11 sowie in weiteren neuralgischen Bereichen bzw. Zonen 11' (Kahnbeinbereich, Basishöckerbereich) ist ein als Basis- bzw. Ausgangsmaterial vorgesehenes erstes Kunststoff-Material der Seitenteile 6, 7 zudem bereichsweise verdichtet.In the
Ein Beispiel für die konkrete Ausgestaltung einer derartigen Verdichtung ist insbesondere in den
Die im Wesentlichen linienförmigen Verdichtungsbereiche 15 wirken hierbei im Wesentlichen als virtuelle Schwenkachsen, um welche die angrenzenden, unverdichteten Bereiche 16 mit höherer Materialstärke mit geringerem Kraftaufwand ausgelenkt werden können, als wenn die Seitenteile 6,7 frei von derartigen Verdichtungen sind.The essentially
Im Falle eines Vorsprungs bzw. einer im Wesentlichen punktförmigen Erhebung des Fußen (Knöchelbereich, Kahnbeinbereich, etc.) ist es vorteilhaft, wenn um einen Zentralbereich 16, welcher im Wesentlichen im Bereich eines Fußvorprungs angeordnet ist, mehrere der linienförmigen Materialverdichtungsbereiche 15 angeordnet sind, die einen im Wesentlichen ringförmigen Verlauf aufweisen. Mit ringförmig ist jedoch nicht zwingend eine geschlossene Struktur gemeint, sondern lediglich dass die linienförmigen Verdichtungsbereiche 15 über einen Großteil des Zentralbereichs 16 umlaufend und hierbei im Wesentlich konzentrisch zueinander angeordnet sind.In the case of a protrusion or a substantially punctiform elevation of the foot (ankle region, navicular region, etc.), it is advantageous if a plurality of the linear
Wie in der Schnittansicht gemäß
In der Schnittansicht ist zudem ersichtlich, dass mit den Materialvertiefungen 15 im Wesentlichen eine reliefförmige Struktur um einen Zentralbereich 16 erzielt wird.It can also be seen in the sectional view that with the material depressions 15 a substantially relief-like structure is achieved around a
Alternativ können jedoch - wie ebenfalls in
In den
Wie in
Gemäß dem erfindungsgemäßen Verfahren werden in diese Vertiefungen 20 des Unterteils 18' der Pressform die Verstärkungselemente 14 im kalten Zustand eingelegt, da eine Verformung bzw. Verdichtung des Verstärkungselements 14 nicht erforderlich ist.According to the method according to the invention, the
Wie weiters in
Um die - insbesondere in
Um in der Presse 18 die gewünschte Materialverdichtung (dauerhaft) erzielen zu können, wird demnach das Ausgangsmaterial 17 zunächst über seine Erweichungstemperatur, beim gezeigten Ausführungsbeispiel mit einem Polyethylen-Schaum auf ca. 80° bis 130°C erwärmt, sodann im erwärmten Zustand in die Presse 18 eingelegt. Selbstverständlich kann jedoch auch eine Erwärmung erst innerhalb der Presse 18 erfolgen.In order to achieve the desired material compression (permanently) in the
Nachdem Verstärkungselemente 12 richtig platziert wurden und das Ausgangsmaterial 17 in die Presse 18 eingelegt sind, werden der Unterteil 18'und der Oberteil 18" mit einem Druck von ca. 5 bar bis 10 bar aneinandergedrückt, so dass - wie in
Hierzu weist der Oberteil 18" der Pressform einen vorspringenden Stempel 21 auf, welcher im Wesentlichen der Form des natürlichen Knöchels bzw. Kahnbeins des menschlichen Fußes nachgebildet ist. Somit wird zugleich mit der Materialverdichtung auch bereichsweise eine dreidimensionale Verformung des zuvor im Wesentlichen plan ausgestalteten bahnförmigen Ausgangsmaterials 17 erzielt. Darüber hinaus kann zugleich mit der in der Presse 18 erzielten Materialverdichtung auch eine Verbindung des Ausgangsmaterials 17 und des Verstärkungselements 12, insbesondere über Kleben oder Schweißen, erfolgen.For this purpose, the
Wie ebenfalls in
Claims (15)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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ATA51099/2015A AT517606B1 (en) | 2015-12-22 | 2015-12-22 | liner |
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EP3183983A1 true EP3183983A1 (en) | 2017-06-28 |
EP3183983B1 EP3183983B1 (en) | 2019-06-12 |
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EP16206189.9A Active EP3183983B1 (en) | 2015-12-22 | 2016-12-22 | Inner shoe with an ankle reinforcing element made of plastic material |
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AT (1) | AT517606B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4085783A1 (en) * | 2021-05-07 | 2022-11-09 | Rossignol Lange S.R.L. | Thermoformable liner with film for holding |
Citations (5)
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US3685176A (en) * | 1970-07-02 | 1972-08-22 | Marion F Rudy | Inflatable article of footwear |
DE2115907A1 (en) * | 1971-04-01 | 1972-10-12 | Continental Gummi-Werke Ag, 3000 Hannover | Boots with outer and inner shoe |
US20010054240A1 (en) * | 2000-06-27 | 2001-12-27 | Salomon S.A | Comfort upper for footwear |
US20050210709A1 (en) * | 2004-03-29 | 2005-09-29 | Ivan Labonte | Footwear having an outer shell of foam |
US20150230553A1 (en) * | 2014-02-14 | 2015-08-20 | W. L. Gore & Associates, Gmbh | Conformable Booties, Shoe Inserts, and Footwear Assemblies Made Therewith, and Waterproof Breathable Socks |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1266096B1 (en) * | 1993-12-07 | 1996-12-20 | Calzaturificio Tecnica Spa | INTERNAL SHOE FOR SKI BOOTS |
CH693584A5 (en) * | 1999-12-21 | 2003-10-31 | Lange Int Sa | Comfort boot for sports shoe. |
US7028419B2 (en) * | 2000-08-04 | 2006-04-18 | Jeffrey S. Brooks, Inc. | Footwear |
-
2015
- 2015-12-22 AT ATA51099/2015A patent/AT517606B1/en active
-
2016
- 2016-12-22 EP EP16206189.9A patent/EP3183983B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3685176A (en) * | 1970-07-02 | 1972-08-22 | Marion F Rudy | Inflatable article of footwear |
DE2115907A1 (en) * | 1971-04-01 | 1972-10-12 | Continental Gummi-Werke Ag, 3000 Hannover | Boots with outer and inner shoe |
US20010054240A1 (en) * | 2000-06-27 | 2001-12-27 | Salomon S.A | Comfort upper for footwear |
US20050210709A1 (en) * | 2004-03-29 | 2005-09-29 | Ivan Labonte | Footwear having an outer shell of foam |
US20150230553A1 (en) * | 2014-02-14 | 2015-08-20 | W. L. Gore & Associates, Gmbh | Conformable Booties, Shoe Inserts, and Footwear Assemblies Made Therewith, and Waterproof Breathable Socks |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4085783A1 (en) * | 2021-05-07 | 2022-11-09 | Rossignol Lange S.R.L. | Thermoformable liner with film for holding |
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AT517606B1 (en) | 2017-03-15 |
AT517606A4 (en) | 2017-03-15 |
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