US20180027920A1 - Aqua shoe having anti-slip structure - Google Patents

Aqua shoe having anti-slip structure Download PDF

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Publication number
US20180027920A1
US20180027920A1 US15/551,473 US201515551473A US2018027920A1 US 20180027920 A1 US20180027920 A1 US 20180027920A1 US 201515551473 A US201515551473 A US 201515551473A US 2018027920 A1 US2018027920 A1 US 2018027920A1
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United States
Prior art keywords
outsole
slip structure
suction
shoe
aqua shoe
Prior art date
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Abandoned
Application number
US15/551,473
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English (en)
Inventor
Sun Mi CHOI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gts Global Co Ltd
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Gts Global Co Ltd
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Publication date
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Application filed by Gts Global Co Ltd filed Critical Gts Global Co Ltd
Assigned to GTS GLOBAL CO., LTD. reassignment GTS GLOBAL CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHOI, SUN MI
Publication of US20180027920A1 publication Critical patent/US20180027920A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/08—Bathing shoes ; Aquatic sports shoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/122—Soles with several layers of different materials characterised by the outsole or external layer
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/18—Resilient soles
    • A43B13/181—Resiliency achieved by the structure of the sole
    • A43B13/184—Resiliency achieved by the structure of the sole the structure protruding from the outsole
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • A43B13/223—Profiled soles
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • A43B13/223—Profiled soles
    • A43B13/226—Profiled soles the profile being made in the foot facing surface

Definitions

  • the present invention relates to a shoe, and more specifically, to an aqua shoe with a superior wearing sensation that is equipped with an anti-slip structure to forward comfort and safety in a watery place.
  • a shoe is to mitigate the shock from walking and protect the pedestrians foot from an external environment, and most people wear it.
  • Such a shoe in general, in order to match up with the shape of a foot, involves an insole part in the lower part of the shoe and an upper in the upper part of the shoe to cover the foot.
  • shoes with various types, shapes or materials are proposed.
  • Representative materials for a shoe include leather, fiber and synthetic resin.
  • a shoe made of leather maintains its shape relatively well without significant deformation during and after wearing, whereas such a shoe is not very comfortable to wear, frequently sustains damages in the heel or toe depending on ambulatory behaviors and is less effective in ventilation.
  • shoes that are made of relatively thin materials with a high softness are recently sought after for the sake of convenience in a swimming pool, beach and the like.
  • the present invention provides an aqua shoe equipped with an anti-slip structure that facilitates sweat and water explusion as well as forwards walking safety on a watery surface.
  • the present invention provides an aqua shoe including an upper that covers an instep from above, an insole part that connects to the lower part of the upper and an outsole part which is integrated with the insole part and the upper and which is supported by an outsole surface, wherein the outsole part is equipped with an anti-slip structure in which a plurality of suction parts are arranged while a suction part includes a cup that tightly contacts along the cup rim to the ground surface to provide, by being compressed, suction force and a protuberance that protrudes downward from the center of the cup, which forwards safety and convenience in activities in a watery place.
  • the suction part aforementioned may be required to be constructed so that the level of the cup rim should be located lower than the level of the lower end of the protuberance.
  • the cup rim upon stepping on the ground, contacts to the ground and can provide suction force by being compressed then can relieve the suction force when the protuberance, upon shifting the foot load and by increasing the pressure, contacts to the ground.
  • the outsole part aforementioned may be provided with connections that link the tops of the suction part one another and openings that vertically penetrate between the connections, the structure of which therefore ameliorates water expulsion.
  • the outsole part is provided with an inlay that shapes as a flat panel and lies forward-backward across the outsole part carrying a plurality of tributaries that bilaterally extend, wherein the level of the inlay bottom may correspond to the level of the lower end of the suction part.
  • the outsole part is provided with a side wall that forms edging around the suction part arrangement and, furthermore, openings may form among the connections adjacent to the inlay whereas occlusions may form among the connections adjacent to the side wall, which allows rigidity to be juxtaposed with water expulsion.
  • the outsole part may include hexagonal outsole units, wherein six connections that lie at an equal interval with a suction part as the center connect six suction parts to constitute an outsole unit, which may provide even suction force.
  • the upper and insole part aforementioned may be required to be integrated via the Bonis sewing method by which the upper and the insole part confront each other at their edge.
  • the aqua shoe may further include a web part that extends forward from the outsole part front and may push against the stream in the water.
  • a shoe according to the present invention improves productivity and fits to the shape and motion of a foot.
  • a shoe according to the present invention may forward safety by exploiting suction force in order to prevent slipperiness in a watery place and maximizes convenience of use by exploiting a structure that may relieve the suction force depending on pressure change during ambulatory behaviors.
  • FIG. 1 is a perspective view of an aqua shoe that is equipped with an anti-slip structure according to the present invention.
  • FIG. 2 is a bottom view that illustrates the integration of an upper and an outsole part of an aqua shoe that is equipped with an anti-slip structure according to the present invention.
  • FIG. 3 is front cross-sectional view of an aqua shoe that is equipped with an anti-slip structure according to the present invention.
  • FIG. 4 is a bottom view of an aqua shoe that is equipped with an anti-slip structure according to a first embodiment of the present invention.
  • FIG. 5 is a bottom view of an aqua shoe that is equipped with an anti-slip structure according to a second embodiment of the present invention.
  • FIG. 6 is a bottom view of an aqua shoe that is equipped with an anti-slip structure according to a third embodiment of the present invention.
  • FIG. 7 is a top view of an unclosed side of an aqua shoe that is equipped with an anti-slip structure according to the present invention.
  • FIG. 8 is a bottom view of an embodiment of an insert of an aqua shoe that is equipped with an anti-slip structure according to the present invention.
  • An aqua shoe of the present invention means a shoe that is flexible, fits well to a foot and possesses, as undermentioned, a structure to prevent slipperiness and another structure to expel water to be used in a watery place such as small stream, swimming pool, beach and the like.
  • the present invention defines, based on functional semantics in consideration of the use in a watery place by employing the term of “aqua” that means water, an aqua shoe that is provided simultaneously with water resistance on the top side, water expulsion on the bottom side and suction also on the bottom side.
  • An aqua shoe that is equipped with an anti-slip structure basically includes an outsole part on the bottom side that is provided with a suction structure to prevent slipperiness on the ground surface, an upper that covers from above the outsole part and an insole part that is integrated via sewing with the upper and, on the bottom side, assembled via adhesion with the top surface of the outsole part.
  • the outsole part may be, according to a shoe type, constructed in various shapes and dimensions and, should the thoughts of the present invention be applied, is not limited to the description and drawings as undermentioned.
  • the sides that confront each other are defined as the inside/inward whereas the other, opposite sides are defined as the outside/outward.
  • FIG. 1 is a perspective view of an aqua shoe that is equipped with an anti-slip structure according to an embodiment of the present invention and FIG. 2 is a bottom view thereof.
  • the present invention basically includes, going down from the top side, an upper 100 , an insole part 200 and an outsole part 300 .
  • the outsole part 300 supports, on the top surface, the sole and contacts, on the bottom side, to the ground surface while the materials for the outsole part 300 may include, in order to ameliorate friction, natural rubbers or synthetic rubbers, but not limited thereto.
  • the materials for the outsole part 300 may be determined among synthetic resins, TPEs(thermoplastic elastomers), natural rubber, synthetic rubbers and the like that can be injection-molded.
  • the outsole part 300 may be required to support the entire shoe structure and possess a durability higher than the durability of other parts, the outsole part 300 has a thickness larger than the thickness of the upper 100 and the insole part 200 .
  • outsole part 300 can be classified in large into an outsole that steps on the ground and a side wall that surrounds the lower flank surface of the upper 100 and the side wall may be formed with vertical elevations and depressions to secure reinforcement for a light shoe.
  • the outsole part 300 includes on the bottom side a structure for suction, which may be a kind of vacuum suction cup, in order to forward activity and safety on a watery or slippery surface, one of the preferred embodiments of which will be described following FIG. 4 .
  • the upper 100 takes a form as if the upper 100 entirely encloses the instep and ball and may be provided with an unclosed area (reference numeral undesignated), wherein, in the light of the thoughts of a light shoe the present invention provides, the materials for the upper 100 may be required to be determined among light ones with a high expansion coefficient and, in this respect, Neoprene and Polyspan may be selected for the upper materials.
  • the upper 100 is to fit better, due to the expansion, to the instep and ball and because the upper 100 organically and flexibly deforms as the foot deforms during ambulatory behaviors, which ameliorates the unity of the shoe with the foot.
  • the upper 100 is integrated preferentially with the insole part 200 without being involved in a manufacturing process that integrates the upper 100 directly with the outsole part 300 , which is exhibited in FIG. 2 that illustrates an integration of the upper with the insole part.
  • the bottom surface of the insole part adheres to the top surface of the outsole part 300 , then the lower flank outside surface of the upper 100 adheres to the side wall inside surface of the outsole part 300 .
  • the lower end area of the upper 100 is sewn to the insole part 200 along the outside periphery of the insole part 200 .
  • the present invention recommends the One Piece Pattern, so called Bonis process, as an integration method to sew an upper 100 to an insole part 200 , wherein the upper 100 and the insole part 200 are aligned so that the lower end edge of the upper 100 are to be adjacent to the outside peripheral edge of the insole part 200 and the adjacent areas laid down on a plane are sewn up-down and zigzag by means of sewing yarn, which allows the integration of the upper 100 with the insole part 200 to be completed in a single sewing process with advantageous effects in that the manufacturing processes have been further streamlined compared with existing methods and there exists no height difference or protrusion that may impair wearing sensation in the transition area that may impact the foot.
  • Bonis process an integration method to sew an upper 100 to an insole part 200 , wherein the upper 100 and the insole part 200 are aligned so that the lower end edge of the upper 100 are to be adjacent to the outside peripheral edge of the insole part 200 and the adjacent areas laid down on a plane are sewn up-down and zigzag by
  • the integrated area in which the upper 100 is sewn to the insole part 200 should be defined as a transition area 210 that adheres to the inside peripheral area of the outsole part 300 , as undermentioned, to prevent exposure externally.
  • materials with a superior wearing sensation may be selected for the insole part 200 because the insole part 200 directly contacts to the sole of the foot.
  • Those materials provided, in consideration of absorption or expulsion of sweat or water, with a plurality of pores or penetrating holes may be selected for the insole part 200 , for which synthetic materials in mesh structure are selected, but not limited thereto.
  • the mesh structure may take various forms in consideration of sole sensation as well as the expulsion or absorption properties. As undermentioned, such a mesh structure, together with openings 330 in the outsole part 300 and conduits in an insert that is to be addedly provided, provides a function of water expulsion.
  • the outsole part 300 may include an outsole and a side wall, wherein the side wall may be formed with vertical elevations and depressions.
  • the side wall of the outsole part 300 may include an elevation that extends upward from the toe and another elevation that extends upward from the heel.
  • the elevations and depressions of the outsole part 300 maintain the shoe form even in a light shoe and allow the shoe to organically deform as the body naturally changes the form, which forwards wearing sensation as well as durability.
  • a front upper (reference numeral undesignated) as well as a rear upper 120 may be added to the upper 100 .
  • the front upper and rear upper 120 play a role in restricting expansion to a certain extent in the location subject to a high strength and in increasing resistance against external impact, wherein the materials for the front upper and the rear upper may be required to be harder than those for the upper 100 .
  • the front upper and the rear upper 120 may be made of fabric, leather, synthetic fiber and the like.
  • the front upper is provided, where the 3rd toe lies, with a flexure that curves down forward while the back end of the front upper may draw a line that fluctuates as the center arcs of a Taiji symbol do, wherein the flexure skews outward because the great toe is materially and significantly wider than other toes.
  • the rear upper 120 minimizes the backward deformation upon putting on and taking off the shoe and reinforces the shoe against the load on the heel while the front upper increases the resistance against the toe lift especially during ambulatory behaviors and against external impact.
  • the rear upper 120 may extend, in large, from the outsole part 300 vertically to the unclosed area of the upper 100 while an extension 130 further protruding to the upside may be added to the upper end of the rear upper 120 .
  • the extension 130 may be grabbed by a hand and facilitate putting on and taking off the shoe.
  • the extension 130 is integrated to a body with the rear upper 120 and may be required, as the front upper is, to be sewn at the top surface of the upper 100 but other various integration methods are not to be restricted including adhesion and thermal bonding.
  • the rear upper 120 also supports, as the front upper does, the backward of the upper 100 that is made of soft materials and, in consideration of durability, the rear upper 120 is preferably widest laterally at the lower end.
  • an extension 130 may be integrated to the top end of the rear upper 120 that is manually grabbable while, for the sake of integration with the upper 100 , a backward sewing area may be formed, in which the sewing yarn penetrates forward-backward.
  • the front upper and the rear upper 120 are integrated by being sewn prior to the integration of the upper 100 with the insole part 200 , wherein, if the integration is based on the transition area 210 , both the front upper and the rear upper may be integrated via sewing, especially via the Bonis sewing method.
  • a ring 140 shown in FIG. 7 may be added to the unclosed area in the upper 100 through which a foot enters and exits in order to prevent damages caused by repeated use and which encloses the upper end of the upper.
  • FIG. 3 illustrates a front cross-sectional view of a light shoe according to the present invention, more specifically, a forward section that has been cut laterally at a position around which the 2nd elevation is located.
  • adhesion zone 400 that may be a adhesive whereas the adhesion zone 400 may also be formed by being applied on the upper end of the outsole part 300 or, together both with the upper 100 and the insole part 200 on the outsole part 300 .
  • the insole part 200 adheres to the outsole part 300 via the adhesion zone 400 while the upper 100 adheres to the outsole part 300 also via the adhesion zone 400 , in which the bonding strength further increases at the transition area 210 between the insole part 200 and the upper 100 .
  • the outsole part 300 adheres to the upper 100 at each elevation because the adhesion zone 400 is formed on the inside surface of the elevations.
  • An insert 500 may be added over the top of the insole part 200 in order to forward shock absorption and wearing feel while the insert 500 may contact directly to the sole and provide water expulsion, the description of which will follow.
  • a reinforcement part (not illustrated) may be integrated on the outside surface of the upper 100 in order to appropriately support the shoe structure against repeated deformation.
  • the reinforcement part can act as a pre-determined skeleton, on which pre-determined pattern may form, that may be previously made of synthetic materials then be sewn, adhered or thermally bonded to the outside surface of the upper 100 .
  • the reinforcement part as a pre-determined concavo-convex form, may be arranged on the upper 100 and is preferably constituted by the foam textile printing method to increase aesthetics and secure the function of reinforcement.
  • Polyurethane foam may be selected for the foam textile printing aforementioned and constructed on the upper 100 prior to integrating the upper 100 with the insole part 200 .
  • the reinforcement part is built up by injection printing materials into the mold that covers the surface to be printed on the textile of the upper 100 , in which the foam ink injected forms solid geometry that grows, by means of a press machine, to a uniform or otherwise desired thickness.
  • the reinforcement part may be arrange on the shoe both up-down and forward-backward, wherein the up-down reinforcement, as a vertical reinforcement section, resists against up-down tension while the forward-backward reinforcement section that has been bent forward-backward to exhibit a pre-determined thickness resists forward-backward tension.
  • the upper 100 according to the present invention is made of materials with a high expansion coefficient that is superior in tightness on and integration to the foot but not appropriated to intense activities, the drawbacks of which can be countered by means of the reinforcement part.
  • FIG. 4 is a bottom view of an aqua shoe that is equipped with an anti-slip structure according to a first embodiment of the present invention.
  • an aqua shoe according to the present invention may be required to be provided with a pre-determined friction for the sake of due safety and activity and the friction can be applied by means of vacuum suction.
  • the outsole part 300 may be equipped with a plurality of suction part 310 on the bottom thereof while a suction part 310 shapes as a cup that is concave down and performs vacuum suction.
  • the suction part 310 Upon applying the body weight on the sole, the suction part 310 discharges the internal air by expanding to the cup rim then being compressed downward, which generates inside the suction part 310 a negative pressure that gives suction force, which may increase due to water film created on the ground surface, to attach to the ground surface.
  • the suction part 310 may be provided with an additional structure to relieve the suction force, which will be described below.
  • the suction parts 310 shape as circles and are connected each other via a connection 320 while an opening 330 may form among the connections 320 through which water is expelled from the insole part 200 and the insert.
  • suction parts 310 and the connections 320 can be selectively arrayed and it may be required that suction parts 310 should form a regular hexagon with a single suction part 310 as the center to provide uniform suction force and to correspond to diverse types and shapes of shoes.
  • connections 320 radially extend from a single suction part 310 at an equal interval and another suction part 310 bonds to each of the connections, for which the suction parts are connected via the connections 320 so that any two adjacent suction parts surrounding a single suction part constitute a side of the regular hexagon
  • connection 320 can be selectively determined while it may be required that the connection should get wider as the connection get closer to the suction part 310 .
  • the opening 330 generated in the middle of three connections 320 roughly shapes as a triangle.
  • the side wall 301 may extend from the outsole as if the side wall 301 encloses the bottom surface outside periphery of the outsole part 300 , and may act as a skeleton of the outside bottom surface, wherein the array of the outsole units 302 contacts to the side wall 301 , the structure of which may be required to be injection-molded as an integrated product.
  • the suction parts 320 should protrude downward below the connection 320 .
  • connections 320 link the tops of the suction parts 310 while a suction part 310 includes a concave down cup 311 .
  • the cup 311 provides suction force by generating vacuum pressure, as aforementioned, between the internal space of the cup and the ground surface.
  • the suction force should be relieved to ease the vacuum pressure-caused walking discomfort.
  • the present invention recommends another structure that can be a protuberance 312 that protrudes downward from the center of the cup 311 .
  • the cup 311 rim extend downward below the protuberance 312 .
  • the cup 311 tightly contact to the ground surface at the rim and, being compressed, deforms discharging the air inside the cup, which generates suction force between the bottom side of the cup 311 and the ground surface.
  • the protuberance 312 located at the center of the cup 311 moves downward, contacts to the ground surface, compresses the residual air inside the cup 311 then expels the air to push away the ground surface, which relieves the suction force.
  • this structure is to render, over the course where a shoe continue to contact to and apply compression to the ground, the cup 311 generate suction force when the shoe contacts to and applies the initial compression to the ground and the protuberance 312 move downward further to organically relieve the suction force when the load shifts for walking to the area of the shoe bottom that contacts to the ground.
  • connections 320 link the suction parts 310 one another in order to maintain the array of the suction parts by organically being deformed and twisted and, at the same time, organically change the form of the shoe bottom in order to generate uniform suction force by maintaining the form of each suction part 310 .
  • the opening 330 may act as a temporary reservoir that contains a certain volume of water to prevent an excessive water film from being created between the ground surface and the cup 311 when the shoe contacts to the ground and generates suction force.
  • FIG. 5 is a bottom view of an aqua shoe that is equipped with an anti-slip structure according to a second embodiment of the present invention.
  • the outsole units 302 are arranged in the entire bottom and the openings 330 forms among the connections 320 that constitute the outsole units 302 , strength or support may be impaired although overall flexibility may increase.
  • the second embodiment according to the present invention is proposed a structure that distributes an inlay 350 as an inforcement to increase support.
  • the inlay 350 may lie roughly forward-backward across the outsole carrying a pre-determined number of tributaries, around and among which the suction parts 310 may be distributed.
  • the inlay 350 should shape roughly as a flat panel while the level of the inlay bottom should correspond to the level of the cup 311 rim of the suction part 310 , the geometry of which facilitates generating suction force in the suction part 310 when downward pressure compresses the inlay 350 .
  • the inlay 350 may be provided, in certain areas in the inlay, with one or more grooves 351 and sinks 352 that shape as a ring and are depressed upward.
  • the grooves 351 and sinks 352 act as a reservoir to temporarily retain water and minimize the effect of water film created in the inlay 350 that shapes as a flat panel.
  • the area in the inlay 350 that corresponds to the heel, which initially contacts on the ground surface and to which the highest pressure is applied in walking, may be required to be provided with a friction area 370 in which a plurality of protuberances.
  • the openings 330 that are vacant among the connections 320 and occlusions 340 that are filled among the connections 320 may be selectively arranged in this embodiment of the present invention, wherein the occlusions 340 may support the connection even more rigidly among the connections 320 so that the overall form of the outsole part is maintained better.
  • the arrangement of the openings 330 and the occlusions 340 may be selectively determined, it is preferable to distribute the openings 330 in the proximity of the inlay 350 in order to facilitate water expulsion and minimize water film and distribute the occlusions 340 in the proximity of the side wall 301 in order to secure rigidity.
  • FIG. 6 is a bottom view of an aqua shoe that is equipped with an anti-slip structure according to a third embodiment of the present invention.
  • an aqua shoe according to the present invention may maximize the applicability in a place such as swimming pool and beach where people enjoy water activities.
  • Description will follow regarding a structure equipped with a web part 360 in order to push against the stream from the outsole part 300 front and to ameliorate the effectiveness of water activities according to the third embodiment of the present invention.
  • the web part 360 extends forward from the outsole part 300 front and, as illustrated, being worn by a user's foot, secures a pre-determined volume of water forward for the user to push away.
  • the web part 360 may be required to curve upward to forward water expulsion.
  • the web part 360 may be provided with one or more reinforcement rib(s) 361 to prevent the web part 360 from deforming to a certain extent, wherein the vertical thickness of the reinforcement rib 361 may be larger than the thickness of the rest of the web part 360 .
  • the web part 360 is preferable to be injection-molded as a single product integrated with the outsole part 300 .
  • FIG. 7 is a top view of an unclosed side of an aqua shoe that is equipped with an anti-slip structure according to the present invention.
  • the upper 100 and the insole part 200 are integrated at the transition area 210 via the Bonis sewing method preventing any height difference while on the top side of the upper 100 forms a ring 140 which ameliorates durability and feel during putting on and taking off the shoe.
  • the ring 140 may be integrated with the upper 100 via sewing.
  • the insole part 200 may be made of materials in a mesh structure or with a plurality of pores to secure water expulsion, in the case of which the internal water may be expelled through the openings 330 of the outsole part 300 but an insert may be additionally placed on the top of the insole part 200 in order to forward shock absorption or wearing feel.
  • FIG. 8 is a bottom view of a preferred embodiment of the insert.
  • the insert may be placed on and removed from the top of the insole 200 and may be provided with a plurality of conduits 510 that link up with the openings 330 of the outsole part 300 , the geometry, dimension and array of which may be selectively determined.
  • conduit channel(s) 520 that penetrate among the conduits 510 to forward water expulsion in the bottom side while such a conduit channel may constitute a pre-determined bottom pattern.
  • the insert 500 may be provided, in the central area of the insert, with friction protuberances 530 that protrude downward in order to give friction against the insole part 200 .
  • an aqua shoe that is equipped with an anti-slip structure according to the present invention forwards productivity and fits in an optimized way to the geometry and motion of a foot
  • an aqua shoe according to the present invention forwards safety via suction force that prevents slipperiness in a watery place and maximizes the convenience of use via a structure that relieves the suction force according to the pressure change during ambulatory behaviors.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US15/551,473 2015-02-17 2015-03-10 Aqua shoe having anti-slip structure Abandoned US20180027920A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2015-0024180 2015-02-17
KR1020150024180A KR101601673B1 (ko) 2015-02-17 2015-02-17 미끄럼 방지 구조를 구비하는 아쿠아슈즈
PCT/KR2015/002301 WO2016133237A1 (en) 2015-02-17 2015-03-10 Aqua shoe having anti-slip structure

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PCT/KR2015/002301 A-371-Of-International WO2016133237A1 (en) 2015-02-17 2015-03-10 Aqua shoe having anti-slip structure

Related Child Applications (1)

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US16/807,285 Division US20200196702A1 (en) 2015-02-17 2020-03-03 Aqua shoe having anti-slip structure

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US20180027920A1 true US20180027920A1 (en) 2018-02-01

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US15/551,473 Abandoned US20180027920A1 (en) 2015-02-17 2015-03-10 Aqua shoe having anti-slip structure
US16/807,285 Abandoned US20200196702A1 (en) 2015-02-17 2020-03-03 Aqua shoe having anti-slip structure

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US (2) US20180027920A1 (ko)
EP (1) EP3258804B1 (ko)
JP (1) JP6687643B2 (ko)
KR (1) KR101601673B1 (ko)
CN (2) CN207531969U (ko)
AU (1) AU2015383268A1 (ko)
IL (1) IL253744A0 (ko)
MX (1) MX2017010483A (ko)
PH (1) PH12017501485A1 (ko)
RU (1) RU2677403C1 (ko)
SG (1) SG11201706344XA (ko)
WO (1) WO2016133237A1 (ko)

Cited By (5)

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PH12017501485A1 (en) 2018-02-05
CN207531969U (zh) 2018-06-26
MX2017010483A (es) 2018-01-16
SG11201706344XA (en) 2017-09-28
CN106136447A (zh) 2016-11-23
US20200196702A1 (en) 2020-06-25
JP2018505033A (ja) 2018-02-22
EP3258804B1 (en) 2020-04-22
IL253744A0 (en) 2017-09-28
RU2677403C1 (ru) 2019-01-16
JP6687643B2 (ja) 2020-04-28
WO2016133237A1 (en) 2016-08-25
EP3258804A1 (en) 2017-12-27
EP3258804A4 (en) 2018-10-03
CN106136447B (zh) 2018-07-06
AU2015383268A1 (en) 2017-10-05

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