WO2017175995A1 - Athletic non-slip insole - Google Patents

Athletic non-slip insole Download PDF

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Publication number
WO2017175995A1
WO2017175995A1 PCT/KR2017/003171 KR2017003171W WO2017175995A1 WO 2017175995 A1 WO2017175995 A1 WO 2017175995A1 KR 2017003171 W KR2017003171 W KR 2017003171W WO 2017175995 A1 WO2017175995 A1 WO 2017175995A1
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WO
WIPO (PCT)
Prior art keywords
slip
sheet
insole
sports
foam layer
Prior art date
Application number
PCT/KR2017/003171
Other languages
French (fr)
Korean (ko)
Inventor
김태효
장창오
Original Assignee
김태효
장창오
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Filing date
Publication date
Application filed by 김태효, 장창오 filed Critical 김태효
Publication of WO2017175995A1 publication Critical patent/WO2017175995A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/14—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined made of sponge, rubber, or plastic materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/26—Tongues for shoes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer

Definitions

  • the present invention relates to insoles, professional sports athletes in intense walking exercise such as football or marathon to prevent injuries, to reduce the record and athletic performance of the athletes, non-slip insoles for professional athletes It is about.
  • the existing insole is a component of the shoe together with the outsole and middle sole of shoes such as shoes or sneakers, and it does not give a hard feeling and foreign object when it comes in contact with the foot. It is in charge of the element.
  • the outer sole and the outer sole of the shoe, the middle sole is the central role and the insole has played a secondary role.
  • insoles such as the existing insoles, that is, insoles that are fitted to shoes, or insoles that are sold solely, there is no problem to use in general life.
  • This phenomenon is inevitable because it is caused by a very intense exercise that goes beyond the role of the shoe.
  • Insoles are typically not manufactured in non-slip form to prevent the socks from peeling off when the user takes off or wears the shoes.
  • the friction between the sock and the insole may cause the socks to peel off or make shoes difficult to wear.
  • the contact portion with the sole is formed by punching the insole material of hard material, and a soft flat sole is mounted on the upper side of the perforating brush so that the curved portion of the sole of the sole is lowered into the perforating brush so that the entire sole of the sole is contacted.
  • the curved surface was in close contact with each other so that the walking was comfortable through the sliding resistance in the perforated part during walking.
  • the patent document 1 has a purpose to change the insole structure on a plane to be enough to be in close contact with the soles during walking, so that walking can be comfortable.
  • a user such as a general pedestrian may not feel special discomfort, but may cause great inconvenience and increase the risk of injury to professional sports players who perform intense walking exercise (marathon, soccer, etc.).
  • the inventors of the present application have found a long time study the essential conditions required for a sports insole for professional sports athletes.
  • the thickness of the insole should be as thin as possible while being able to perform the functions of shock absorption and protection of the insole, and the function of preventing the loss of force and maximizing the force.
  • the thickness should be as thin as possible so as not to interfere with the exercise as much as possible.
  • the upper surface of the insole in contact with the foot should not slip.
  • the insole should not be heavy due to water or lose the insole's inherent function.
  • Patent Document 1 KR 10-1301690 (2013.08.23)
  • Patent Document 2 KR 10-0470905 (2006.01.31)
  • Sports non-slip insole of the present invention is to solve the problems that occur in the prior art as described above, and to satisfy the functions required for sports insoles studied by the inventor of the present application, which is not normally required for general insoles In addition to meeting its non-slip function, it is intended to prevent professional athletes from injuring and doubling their athletic ability by preventing water from hydrating through the pedestrian socks.
  • shock absorber and athlete protection which is the basic function of the insole, and the function of preventing the loss of force and maximizing the force.
  • the shock absorption is desired, and to reduce energy loss to help save power and improve recording.
  • the non-slip sheet, the non-slip sheet, the waterproof lower sheet, and the non-slip sheet and the urethane foam layer are provided between the non-slip sheet and the lower sheet that provide the non-slip performance, and the non-slip sheet, the lower sheet, and the urethane foam layer are integrated through the insert injection molding method.
  • the non-slip sheet is made of a urethane sheet of the wet manufacturing method, but by removing the surface skin layer to form a myriad of irregularities on the upper surface to form a large number of irregularities per unit area to provide a high non-slip performance insole I will.
  • an auxiliary support layer made of a nonwoven fabric or a mesh is formed on the bottom of the non-slip sheet to prevent separation of the non-slip sheet and the urethane foam layer even when the load is concentrated and converted.
  • the non-slip sheet has a structure in which a plurality of cells are formed therein, so that sweat of pedestrians can be absorbed into the interior, thereby suppressing the occurrence of water film phenomenon.
  • the water-repellent coating layer made of a discontinuous coating film is formed on the bottom of the non-slip sheet, the gas generated during the foaming process is smoothly discharged during the formation of the intermediate polyurethane foam layer, and the urethane liquid is permeated into the pores and cells inside the non-slip sheet.
  • the surface of the insole is formed with a plurality of upper cells 11 having a diameter of 10 ⁇ 100 ⁇ m, the upper part of the upper cell 11 Larger diameter than the cell 11 and the upper and lower columns in the form of a large number of lower cells 12 having a lower diameter than the upper portion is formed, the upper cell 11 and the lower cell 12 is not formed portion
  • the upper surface of the wet urethane sheet 10a in which the micropores 13 having a smaller size than the diameter of the upper cell 11 is formed is removed, so that the upper cell 11 is exposed to a diameter of 10 to 100 ⁇ m.
  • non-slip sheet 10 is characterized in that the water-repellent coating layer 15 coated with a discontinuous coating film is formed.
  • the upper surface of the non-slip sheet 10 is characterized in that the upper irregularities 50 of a predetermined pattern is formed.
  • the lower sheet 30 is characterized in that consisting of an extruded film extruded thermoplastic polyurethane resin.
  • the non-slip sheet 10 is made of a thickness of 0.2 ⁇ 0.8mm
  • the lower sheet 30 is made of 0.03 ⁇ 0.1mm
  • the urethane foam layer 20 is the front portion corresponding to the user's toe position 1.1 ⁇ 2.77mm
  • the rear portion corresponding to the user's heel is characterized in that the thickness of 2.6 ⁇ 5.27mm.
  • the surface hardness measured on the upper surface of the non-slip sheet 10 is 45 ⁇ 65 by the Shore C hardness meter
  • the surface hardness measured on the bottom of the lower sheet 10 is characterized in that 30 ⁇ 50 by the Shore C hardness tester.
  • the lower sheet 30 is characterized in that the circumference is bent upwardly wrapped around the urethane foam layer 20.
  • the urethane foam layer 20 is characterized in that the density 0.2 ⁇ 0.45g / ⁇ , core hardness is 30 ⁇ 45 by Shore C hardness tester.
  • non-slip sheet 10 is characterized by being manufactured by removing the fabric from the wet urethane sheet coated on the release-treated fabric.
  • the present invention meets the high level of non-slip function, which is not normally required for general insoles, and does not cause meninginess even when water through pedestrian socks gets on the surface, thereby preventing professional athletes from injuries. You will be able to double your motor skills.
  • the thickness of the insole is made thin to improve the wearer's posture stability and movement agility and accuracy while absorbing shock and reducing energy loss, thereby helping to save power and improve recording.
  • the weight of the insole can be maintained without heavy weight.
  • the non-slip sheet, the non-slip sheet, the waterproof lower sheet, and the non-slip sheet and the urethane foam layer are provided between the non-slip sheet and the lower sheet that provide the non-slip performance, and the non-slip sheet, the lower sheet, and the urethane foam layer are integrated through the insert injection molding method.
  • the non-slip sheet is made of a urethane sheet of the wet manufacturing method, but by removing the surface skin layer to form a myriad of irregularities on the upper surface to form a large number of irregularities per unit area to provide a high non-slip performance insole do.
  • an auxiliary support layer made of a nonwoven fabric or a mesh is formed on the bottom of the non-slip sheet, so that the non-slip sheet and the urethane foam layer are not easily separated even when the load is concentrated and converted.
  • the non-slip sheet has a structure in which a plurality of cells are formed therein, so that sweat of pedestrians can be absorbed into the inside, thereby suppressing the occurrence of water film phenomenon.
  • the water-repellent coating layer made of a discontinuous coating film is formed on the bottom of the non-slip sheet, the gas generated during the foaming process is smoothly discharged during the formation of the intermediate polyurethane foam layer, and the urethane liquid is permeated into the pores and cells inside the non-slip sheet.
  • FIG. 1 is a photograph showing the surface of the wet urethane sheet in the present invention.
  • Figure 2 is a micrograph showing the cross-sectional structure of the wet urethane sheet in the present invention.
  • Figure 3 is a photograph showing the surface removed from the upper surface of the wet urethane sheet in the present invention.
  • Figure 4 is a micrograph showing the cross-sectional structure of the non-slip sheet in the present invention.
  • Figure 5 is a process chart showing an example of manufacturing a wet urethane sheet in the present invention.
  • Figure 6 is a cross-sectional view showing a state in which each component is disposed in the mold structure and mold for forming a urethane foam layer in the present invention.
  • Figure 7 is a photograph showing an example of a jig for forming irregularities on the upper surface of the wet urethane sheet in the present invention.
  • the insole of the present invention consists of a three-layer structure of the non-slip sheet 10, urethane foam layer 20, the lower sheet 30 from the upper side to the lower side.
  • the non-slip sheet 10 which is a component of the present invention, has a structure in which a non-slip groove 14 having a diameter of 10 to 100 ⁇ m is formed on the upper surface by removing the upper surface of the wet urethane sheet 10a.
  • FIG. 1 The surface of the wet urethane sheet 10a is shown in FIG. 1, and the cross-sectional micrograph of the wet urethane sheet 10a is shown in FIG.
  • the wet urethane sheet 10a which is a raw material of the non-slip sheet 10 in the present invention, as shown in Figure 2, the surface is formed with a plurality of upper cells 11 having a diameter of 10 ⁇ 100 ⁇ m In the lower part of the upper cell 11, a plurality of lower cells 12 having a larger diameter than the upper cell 11 and having a vertically long columnar shape and having a lower diameter than the upper part are formed.
  • micropores 13 having a smaller size than the diameter of the upper cell 11 are formed in a portion where the upper cell 11 and the lower cell 12 are not formed.
  • FIG. 3 shows a top surface of a non-slip sheet 10 produced by removing the top surface of the wet urethane sheet 10a
  • FIG. 4 shows a cross-sectional example of such a wet urethane sheet 10a.
  • the non-slip groove 14 of the non-slip sheet 10 is made of a groove or a hole in which the upper portion of the upper cell 11 is exposed as the upper surface of the wet urethane sheet 10a is removed.
  • the number of the non-slip grooves 14 due to the removed upper cell 11 is formed from as few as 100 to as many as 700 per 1 mm 2.
  • a polyurethane solution in which a polyurethane resin solid component is dissolved in a dimethylyformamide (DMF) solvent is solidified in contact with a coagulation solution mixed with dimethylformamide and water. A number of cells are formed to form.
  • DMF dimethylyformamide
  • FIG. 5 conceptually illustrates the manufacturing of the wet urethane sheet 10a and the process of manufacturing the non-slip sheet 10 using the same.
  • a solid component of a polyurethane (PU) resin is dissolved in a dimethylformamide (dimethylyformamide: DMF) solvent in 25 to 75% to prepare a polyurethane solution.
  • PU polyurethane
  • DMF dimethylformamide
  • the upper surface of the polyester film 1 having a thickness of 50 to 150 ⁇ m is polished in the longitudinal direction with the pepper roll 2 to form a fine scratch 1a such as a hairline.
  • the fine scratches 1a of the drawings are largely illustrated for easy understanding and are not limited to the size and proportion of the drawings.
  • the pepper is fine scratches having a depth of less than 50 ⁇ m using those in the range of # 50 to # 200. To form.
  • Forming a fine scratch (1a) on the polyester film (1) is a wet urethane sheet (10a is a polyurethane solution applied to the polyester film (1) acting as a carrier during the solidification step and desolvent process in the manufacturing process is removed) It prevents the phenomenon of departure.
  • the polyester film 1 when used as it is without surface polishing, the polyurethane solution is solidified and dried, and the adhesion is weak at the bottom surface due to shrinkage, which is different from that in which the polyurethane film is detached from the polyester film 1 frequently.
  • the outer box acts strongly in the polishing process using peperol, thus providing a higher adhesion.
  • the dissolved polyurethane solution 3 is applied to the upper surface of the polyester film 1 having the fine scratch 1a as shown in FIG. 5 by using a knife coater 4 or a comma coater to a thickness of 200 to 700 ⁇ m.
  • the polyurethane solution (3) was added to a coagulation bath (6) controlled at 20 to 30 degrees Celsius while a coagulation solution (5) containing 60 wt% water and dimethylyformamide (DMF) at 40 wt% was stored.
  • the coated polyester film 1 is added and solidified.
  • the composite film 8 in which the wet urethane sheet 10a is integrally bonded to the upper surface of the polyester film 1 is manufactured.
  • the liquid in the coagulation tank (6) is 60% by weight of water
  • solidification is performed from the surface layer to form a surface skin layer as shown in FIG. 1.
  • the surface skin layer shown in FIG. 1 is not substantially different in material from the lower portion thereof, and may be referred to as a film formed according to the difference in the solidification rate according to the rapid solidification of the surface.
  • This surface skin layer has micropores of several micrometers or less in the place where DMF escapes.
  • the solution is under the surface skin layer.
  • the polyurethane solution (3) in the solvent is partially dissolved in the DMF, which is a solvent, as fast as the surface skin layer is not substituted.
  • non-solvent water is added, and multiple layers of cells are formed just under the surface skin layer under the action of stress.
  • the upper cell 11 having a small size on the upper side has the same shape as the ottogi (jar) at the lower side as described above.
  • the larger size of the lower cell 12 is formed, and the portion between the cells has a structure in which the DMF is formed by substituting water and the micropores 13 which are much smaller than the upper cell are formed.
  • the lower cell 12 has a shape such as a squid, so that the stress action due to the addition of water is severe and the force of gravity is applied to the convex shape below.
  • the upper cell 11 preferably has a size of 10 ⁇ 100 ⁇ m, preferably 10 ⁇ 50 ⁇ m, the thickness of the outer wall between the cell is preferably 5 to 20 ⁇ m size.
  • finish of residual solvent removal is grind
  • the removal of the upper surface may be made by removing the upper thickness by using a cutter or the like, but in the case of removal using the cutter, the top height of the surface becomes constant. More preferred.
  • the upper part of the upper cell 11 of the wet urethane sheet 10a is cut and appears in the form of a groove or a hole.
  • the non-slip groove 14 is made of a groove or a hole exposed by the cut upper cell 11, the micro-pores 13, the non-slip groove 14 serves to increase the contact area with the socks as much as possible to play a non-slip role. It also serves to absorb the sweat released from the socks.
  • the non-slip sheet 10 is manufactured by peeling and removing the polyester film 1 from the composite film 8.
  • the fabric may be manufactured by removing the fabric from the wet urethane sheet coated on the release treated fabric instead of the polyester film 1.
  • Urethane foam layer 20 is a component of the present invention is integrally coupled to the non-slip sheet 10 to the lower portion of the non-slip sheet (10).
  • the urethane foam layer 20 is prepared with an insole mold 40 composed of the upper mold 41 and the lower mold 42, and the non-slip sheet 10 is attached to the upper mold 41. Fixing, the lower sheet 30 is extended to fix the lower plate 42.
  • the upper surface of the non-slip sheet 10 is in contact with the upper surface of the mold upper plate 41.
  • the polyol and isocyanate are mixed well into the lower sheet 30, which is laid out on the mold lower plate 42, and then closed. Foam while maintaining temperature.
  • the urethane foam has a density of 20% to 45% (0.2 to 0.45 g / cc).
  • the urethane foam layer 20 formed as described above may form a microcell having a cell size of 200 to 50 ⁇ m, thereby improving shock absorption.
  • the core hardness is preferably between 30 and 45.
  • the foam cells When the impact is applied, the foam cells have sufficient rebound elasticity to act as a resilient elastic force to the air cushion before the impact reaches the floor.
  • This cushion layer acts as an energy return to prevent impact and return the applied force back to the place where the foot lands and when the force is applied to the surface layer of the insole, the myriad of cells support the foot to prevent it from closing on the floor.
  • This cushion layer The role of this cushion layer is to protect your knees and ankles even after intense movement for a long time, and you can feel your body much lighter thanks to resilience.
  • the mold upper plate 41 is carved into the shape of the circumferentially bleeding at intervals of 1.5mm thickness of 2mmx2mm square or rhombic shape having a depth of 0.5mm to form irregularities on the surface to help the slip. You may.
  • the lower sheet 30, which is a component of the present invention, is integrally combined with the urethane foam layer 20 at the lower portion of the urethane foam layer 20, and is made of a non-breathable material.
  • the lower sheet 30 may be formed by extruding a thermoplastic polyurethane resin to produce an extruded film having a thickness of 50 ⁇ m.
  • thermoplastic polyurethane resin preferably has a hardness of 85 to 95 in Shoya A hardness tester.
  • the lower sheet 30 surrounds the urethane foam layer 20 inside the insole together with the non-slip sheet 10, and its role is to store the force by the waterproof role and the balloon effect.
  • the lower sheet 30 is characterized in that the periphery is bent upward as the sectional view of Figure 6 is formed to wrap around the urethane foam layer (20).
  • the foam cell inside the urethane foam layer 20 is a semi-open cell, but not a complete open cell like a filter foam, but takes a structure in which a cell that is not a complete cross cell is slightly open.
  • foams are pressurized by their force when walking or when they are released, causing the air in the foam cells to escape out of the insole when the foam is pressed.
  • the lower sheet 30 is disposed below the urethane foam layer 20, the air inside the urethane foam layer 20 does not escape to the outside but is moved to another cell inside to receive pressure and pushed when the pressure is released. Giving role adds strength. That is, the balloon effect can be obtained.
  • thermoplastic polyurethane resin itself has a waterproof performance, it prevents the insole from becoming heavy by preventing the water from penetrating into the insole even when water enters the sneaker when it rains.
  • the non-slip sheet 10 and the urethane foam layer 20 may further include an auxiliary support layer 40 made of any one selected from a nonwoven fabric or a mesh cloth.
  • the auxiliary support layer 40 serves to securely bond between the non-slip sheet 10 and the urethane foam layer 20 during the manufacturing process and use.
  • FIG. 6 shows a configuration in which the urethane foam layer 20 is formed in a state in which the auxiliary support layer 40 is installed.
  • Auxiliary support layer 40 is formed on the bottom of the non-slip sheet 10 is completed by using a whole or partial adhesive.
  • auxiliary support layer 40 when the auxiliary support layer 40 is made of a nonwoven fabric, partial bonding is preferable, and when the auxiliary support layer 40 is made of a mesh, it may be made of whole bonding.
  • the lower cell 12 and the micropores 13 formed in the non-slip sheet 10 may exhibit a function of the auxiliary support layer 40 while maintaining a structure in which the lower cells 12 and the micropores 13 may be connected to the pores inside the urethane foam layer 20. It is an adhesive structure to make it possible.
  • a water repellent coating layer 15 coated with a discontinuous coating film may be formed on the bottom of the non-slip sheet 10.
  • a discontinuous coating film partially coated with the water repellent coating layer 15 is formed on the bottom surface of the non-slip sheet 10.
  • the water repellent coating layer 15 is prepared by adding 0.1 to 0.2% by weight of a water repellent as an additive to prepare a resin coating solution having a solid content of 2 to 5% by weight, as shown in FIG.
  • the gravure roll 7 of the resin coating solution prepared by gravure coating can be formed by drying with hot air.
  • the resin coating liquid may be both oily and aqueous, but may be made aqueous.
  • the liquid polyurethane raw material is formed into a foam during the manufacturing process of the urethane foam layer 20 to be described later.
  • the micropores 13, and the upper cell 11 of the sheet 10 liquid may seep out from the lower portion of the non-slip sheet and flow out to the upper surface due to capillary action and internal pressure.
  • the coated surface with the increased viscosity or resin volume blocks all the holes on the bottom surface of the non-slip sheet 10 and the coating becomes a continuous coating to form the urethane foam layer 20. There is no place to escape the air remaining between the non-slip sheet 10 and the lower sheet 30 in the process to stay inside the product is a defective product by the cells of the foam and other bubbles.
  • the air can flow smoothly to the non-slip sheet 10, that is, when the urethane of the internal liquid is foamed and the volume increases while the internal residual voids can escape by the force of the liquid phase.
  • the solution should have the function of making the surface tension by adjusting the size and water repellency of the hole to prevent the urethane solution from escaping.
  • the non-slip sheet 10 is made of a thickness of 0.2 ⁇ 0.8mm
  • the lower sheet 30 is made of 0.03 ⁇ 0.1mm
  • the urethane foam layer 20 is located at the user's toe position It is preferable that the corresponding front portion is 1.1 to 2.77 mm, the middle portion corresponding to the user's heel position is 2.1 to 3.77 mm, and the rear portion corresponding to the heel of the user has a thickness of 2.6 to 5.27 mm.
  • Conventional insole is usually composed of 5 ⁇ 8mm in the front part, 6 ⁇ 10mm in the rear part, 70 ⁇ 80% of the entire insole is made of foam EVA and the rest is made of a material such as urethane foam or PE foam.
  • the athlete's posture becomes unstable and moves away from the ground, reducing the agility and accuracy of the movement.
  • Applicant looked at the optimum thickness suitable for the structure of the present invention configured as described above, when it is made as described above to minimize the thickness while satisfying the basic shock-absorbing function posture stability suitable for professional athletes, agility of operation, etc. It was found that can be secured.
  • the surface hardness measured on the upper surface of the non-slip sheet 10 is 45 to 65 with a Shore C hardness tester, and the surface hardness measured on the bottom surface of the lower sheet 10 is 30 to 50 with a Shore C hardness tester. Appeared.
  • the hardness measurement value is that the portion of the non-slip sheet 10 which is in contact with the foot is relatively hard compared to the portion of the lower sheet 30 so that the foot load of the wearer is relatively evenly distributed to the adjacent surface of the non-slip sheet 10,
  • Through the urethane foam layer 20 means that the shock can be absorbed to indicate that there is an effect in the impact dispersion.
  • the non-slip insole for sports of the present invention configured as described above can satisfy the conditions of shock absorption and protection of athletes, which are basic functions of the insole, despite being thinner than conventional insoles, and also using a thin thickness
  • the accuracy can be increased and the force loss can be prevented to maximize the force.
  • the insole upper surface in contact with the foot is the contact area through the upper cell 11, the micropores 13, etc. is increased so that the slip is not made, it is possible to prevent the loss of power due to the slip, posture instability .
  • Non-slip insole for sports of the present invention is a professional athletes with a long walking distance such as marathon, warning, such as fencing, taekwondo, sensitive posture and agile sports, such as football, volleyball, basketball, etc. It can be applied to shoes such as athletes).

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)

Abstract

The present invention relates to an athletic non-slip insole. The athletic non-slip insole of the present invention comprises: a non-slip sheet (10) having non-slip grooves (14) formed on an upper surface thereof by allowing an upper surface of a wet urethane sheet (10a) to be removed such that upper cells (11) of the sheet surface are exposed; a porous urethane foam layer (20); and a lower sheet (30) made of a non-permeable material. According to the present invention, athletes in fast-moving sports or sports in which a safe landing is important, and in professional sports having a long walking distance, can be helped in the prevention of injuries while sufficiently displaying athletic abilities.

Description

스포츠용 논슬립 인솔Non-slip Insoles for Sports
본 발명은 인솔에 관한 것으로, 축구나 마라톤과 같은 격렬한 보행 운동을 하는 전문 스포츠 선수들로 하여금 부상을 방지하고, 선수들의 기록 단축과 운동 능력을 충분히 발휘할 수 있도록 한, 전문 선수들의 스포츠용 논슬립 인솔에 관한 것이다.The present invention relates to insoles, professional sports athletes in intense walking exercise such as football or marathon to prevent injuries, to reduce the record and athletic performance of the athletes, non-slip insoles for professional athletes It is about.
기존 인솔은 구두나 운동화 등 신발의 아웃솔, 미들솔과 함께 신발의 한 구성으로서 발과 닿을 때 딱딱한 느낌과 이물감을 주지 않고 푹신한 느낌과 적당한 충격흡수를 하며 발의 편안함과 색상 등을 다양하게 하여 디자인적 요소를 담당하게 된다.The existing insole is a component of the shoe together with the outsole and middle sole of shoes such as shoes or sneakers, and it does not give a hard feeling and foreign object when it comes in contact with the foot. It is in charge of the element.
특히 신발은 기본적으로 외측은 외피와 아웃솔, 내부는 미들솔이 중추적인 역할을 하고 인솔은 보조적인 역할을 해 왔다.In particular, the outer sole and the outer sole of the shoe, the middle sole is the central role and the insole has played a secondary role.
최근에는 인솔의 특별한 기능 즉 항균기능, 충격흡수기능, 냄새 적게 나게 하는 기능, 통풍이 잘 될 수 있게 하는 기능, 자세를 잘 잡아주는 기능 등의 기능성 인솔이 많이 개발되어 인솔 단독으로 판매되기도 한다.Recently, many special insoles have been developed such as antibacterial function, shock absorbing function, low odor function, good ventilation, good posture, etc.
기존 인솔 즉, 신발에 끼워진 인솔이나, 인솔 단독으로 판매되고 있는 인솔 등 모든 인솔을 살펴보면 일반적으로 생활할 때 사용하기에는 아무런 문제가 없다.Looking at all the insoles, such as the existing insoles, that is, insoles that are fitted to shoes, or insoles that are sold solely, there is no problem to use in general life.
오랜 시간 동안 충분히 진화된 최적의 구성으로 편안함을 제공해 신발과 잘 어울려 해당용도에 맞게 사용하는데 큰 불편이 없는 진화된 좋은 인솔임에 틀림이 없다.It is an evolved good insole that does not have much inconvenience to use it for its purpose by providing comfort with the optimal configuration that has been sufficiently evolved for a long time.
그러나 극한운동 즉 8시간 이상의 장거리 산행, 프로 축구선수들의 격렬한 경기, 하프코스 이상의 마라톤, 기타 프로선수들의 장시간 반복되는 연습과 경기, 그리고 매니아들의 강한 운동 등의 경우에는 신발의 외피와 함께 아웃솔, 미들솔, 인솔등은 자기의 역할을 충실이 다 했음에도 불구하고 선수들은 경기나 운동후 무릎이나 발목이 아프거나 많은 체력소모와 함께 지쳐지게 되고 회복하는데도 많은 시간이 걸린다. However, in the case of extreme sports such as long distances of more than 8 hours, intense competition of professional soccer players, marathon of half course, long-time repeated practice and competition of other professional athletes, and strong movement of enthusiasts, the outsole and middle Although the soles and insoles have fulfilled their roles, the athletes have a pain in their knees and ankles after a game or exercise, or they are exhausted with a lot of stamina and take a lot of time to recover.
이런 현상은 신발이 담당해야 하는 역할을 넘어선 매우 강도 높은 운동으로 인해 발생되는 것이기 때문에 어쩔 수 없는 현상이다.This phenomenon is inevitable because it is caused by a very intense exercise that goes beyond the role of the shoe.
또한 올림픽 경기 등에서 선수들은 0.1초라도 기록을 단축시키기 위해 많은 노력을 하고 있다.In addition, athletes are making a lot of efforts to shorten the record even 0.1 seconds.
한 예로 평창 동계 올림픽의 스피드 스케이트 등의 기록을 단축시키기 위하여 선수들이 입는 유니폼의 공기 저항을 줄이기 위해 과학적인 분석과 해외의 우수 기술을 활용하는 등 많은 돈을 투자하며 노력하고 있다.For example, in order to shorten the record of the speed skating of the PyeongChang Winter Olympics, we are investing a lot of money by using scientific analysis and excellent technology abroad to reduce the air resistance of the uniforms worn by the athletes.
통상적으로 인솔은 사용자가 신발을 벗거나 신을 때 양말이 벗겨지지 않게 하기 위해서 논슬립 형태로 제조되지 않는다.Insoles are typically not manufactured in non-slip form to prevent the socks from peeling off when the user takes off or wears the shoes.
만약 인솔 상면이 논슬립 형태로 제조되는 경우 양말과 인솔과의 마찰 때문에 양말이 벗겨지려고 하거나 신발을 쉽게 신기 어렵게 된다.If the top of the insole is manufactured in a non-slip form, the friction between the sock and the insole may cause the socks to peel off or make shoes difficult to wear.
하지만 근래에 들어 인솔에 있어서도 다양한 목적에 따라 적합한 인솔을 제시하려는 동향이 증가하면서 "발바닥 전면 밀착형 신발의 인솔"(한국 등록특허공보 제10-1301690호, 특허문헌 1)에는 발바닥과 안창(인솔) 사이의 슬립을 방지하려는 기술이 제시되기 시작했다.However, in recent years, insoles have been increasing, and the trend of presenting suitable insoles for various purposes has been increased, and the soles and insoles (insoles of sole foot-contact shoes) (Korean Patent Publication No. 10-1301690, Patent Document 1) Techniques to prevent slippage have begun.
상기 특허문헌 1에서는 발바닥과의 접촉부를 하드 소재의 인솔재로 천공시켜 형성하고, 천공솔 상측에 소프트한 평솔을 장착하여 평솔에서 발바닥의 굴곡 부위가 천공솔로 내려감으로써 발바닥 전체가 접촉되도록 하여 발바닥의 굴곡면이 부드럽게 밀착되어 보행시 천공 부분에서의 미끄럼 저항을 통해 보행이 편안해질 수 있게 하였다.In Patent Document 1, the contact portion with the sole is formed by punching the insole material of hard material, and a soft flat sole is mounted on the upper side of the perforating brush so that the curved portion of the sole of the sole is lowered into the perforating brush so that the entire sole of the sole is contacted. The curved surface was in close contact with each other so that the walking was comfortable through the sliding resistance in the perforated part during walking.
상기 특허문헌 1은 평면상에서의 인솔 구조에 변화를 주어 일반 보행시 발바닥에 밀착될 수 있을 정도가 되어 보행이 편안해질 수 있게 하려는 목적을 갖는다.The patent document 1 has a purpose to change the insole structure on a plane to be enough to be in close contact with the soles during walking, so that walking can be comfortable.
또다른 기술로 "각 개인의 발모양 및 운동 특성에 맞는 피팅 인솔 및 그 제조방법"(한국 등록특허공보 제10-0470905호, 특허문헌 2)에는 오픈 셀 타입의 폴리우레탄폼의 일면에 직조층을 형성함으로써 미끄럼 방지 기능을 수행하도록 하였다.In another technique, "fitting insole for each individual's foot shape and movement characteristics and its manufacturing method" (Korea Patent Publication No. 10-0470905, Patent Document 2) is a woven layer on one side of the open cell type polyurethane foam The anti-slip function was performed by forming a.
하지만, 직조물 층의 경우 직조물의 경사 및 위사 배치에 따른 단위면적 당 요철 형성에 한계가 있을 수밖에 없으며, 자칫 과도하게 얇은 실로 촘촘히 할 경우 땀이나 수분이 인솔과 양말 사이에 유입될 경우 수막 현상이 발생하여 오히려 미끄럼이 가속화되는 현상이 발생할 수 밖에 없다.However, in the case of the layer of the woven fabric, there is a limit to the formation of irregularities per unit area according to the weaving of the woven fabric and the arrangement of the weft yarns. If the yarn is too tightly formed, the water film phenomenon occurs when sweat or moisture flows between the insole and the socks. Rather, the sliding phenomenon is bound to occur.
이 경우 일반 보행자와 같은 사용자의 경우 특별한 불편함을 느끼지 못할 수 있을 지 몰라도 격렬한 보행 운동(마라톤, 축구 등)을 하는 전문 스포츠 선수들에게는 커다란 불편함을 발생시키고 부상 위험성을 높이게 된다.In this case, a user such as a general pedestrian may not feel special discomfort, but may cause great inconvenience and increase the risk of injury to professional sports players who perform intense walking exercise (marathon, soccer, etc.).
이처럼 기존의 인솔들은 논슬립 기능이 부여되어 오지 않았으며, 최근 몇 가지 유사한 논슬립 기능을 부여하는 기술이 제시되어 있으나, 인솔 상면의 특수한 환경 즉, 양말과의 접촉, 양말을 통한 사용자의 땀이 스며들었을 경우의 수막 현상 등으로 인해 전문 스포츠 선수들이 사용하기에 적합하지 않은 문제점이 있었다.As such, existing insoles have not been provided with non-slip functions, and some similar non-slip functions have been proposed in recent years, but the special environment on the upper surface of the insoles, that is, contact with socks and sweat of the user through the socks Due to the meningo phenomenon of the case there was a problem that is not suitable for use by professional sports players.
본 출원의 발명자는 전문 스포츠 선수들을 위한 스포츠용 인솔에 요구되는 필수적인 조건들을 긴 시간의 연구로 알게 되었다.The inventors of the present application have found a long time study the essential conditions required for a sports insole for professional sports athletes.
구체적으로, 인솔의 기능인 충격흡수 및 선수보호의 기능과 힘의 손실방지 및 힘의 극대화를 할 수 있는 기능을 수행 할 수 있으면서 그 두께가 최대한 얇아야 한다. Specifically, the thickness of the insole should be as thin as possible while being able to perform the functions of shock absorption and protection of the insole, and the function of preventing the loss of force and maximizing the force.
두께가 두꺼울수록 자세가 불안정 해지고 지면으로 멀어지는 만큼 동작의 민첩성과 정확성도 떨어진다. The thicker the thickness, the more unstable the posture and the less agility and accuracy of the movement as it moves to the ground.
가능한 한 얇은 두께로 운동에 최대한 지장을 주지 않아야 한다.The thickness should be as thin as possible so as not to interfere with the exercise as much as possible.
그리고 발과 닿는 인솔 상부표면이 슬립이 일어나지 않아야 한다.The upper surface of the insole in contact with the foot should not slip.
슬립으로 인한 힘의 손실과 슬립으로 인해서 발생하는 자세의 불안정을 막아야 하며 논슬립으로 신발과 양말 즉 발은 하나의 일체로 움직여야 하기 때문이다.It is necessary to prevent the loss of force due to the slip and the instability of the posture caused by the slip, and the non-slip shoes and socks, or the feet, must move as one unit.
또한 얇은 두께에도 충분한 충격흡수를 가져야 한다 충분한 충격흡수로 선수를 보호해야 하며. 또한 충격흡수와 합께 사용된 에너지의 손실을 최대한 줄이고 다시 돌려주어 힘의 절약과 기록 향상을 도와야 한다.In addition, it must have sufficient shock absorption even in the thin thickness. In addition, the loss of energy used in combination with shock absorption should be minimized and returned to help save power and improve recording.
마지막으로 많은 땀을 흘리거나 비가와서 물을 접해도 물로인해 인솔이 무거워 지거나 상기 기술한 인솔의 고유기능을 잃지 않아야 한다.Finally, even if a lot of sweat or rain comes in contact with water, the insole should not be heavy due to water or lose the insole's inherent function.
*선행기술문헌** Prior art literature *
(특허문헌 1) KR 10-1301690 (2013.08.23)(Patent Document 1) KR 10-1301690 (2013.08.23)
(특허문헌 2) KR 10-0470905 (2006.01.31)(Patent Document 2) KR 10-0470905 (2006.01.31)
본 발명의 스포츠용 논슬립 인솔은 상기와 같은 종래 기술에서 발생하는 문제점을 해소하고, 본 출원의 발명자가 연구한 스포츠용 인솔에 요구되는 기능을 만족시키기 위한 것으로, 통상적으로 일반 인솔에게 요구되지 않는 고도의 논슬립 기능을 충족함과 더불어 보행자 양말을 통한 수분이 표면에 묻는 경우에도 수막 현상을 발생시키지 않게 하여 전문 운동 선수들로 하여금 부상을 방지하고 운동 능력을 배가시킬 수 있도록 하려는 것이다.Sports non-slip insole of the present invention is to solve the problems that occur in the prior art as described above, and to satisfy the functions required for sports insoles studied by the inventor of the present application, which is not normally required for general insoles In addition to meeting its non-slip function, it is intended to prevent professional athletes from injuring and doubling their athletic ability by preventing water from hydrating through the pedestrian socks.
보다 구체적으로, 인솔의 기본적인 기능인 충격 흡수 및 선수 보호의 기능과 힘의 손실 방지 및 힘을 극대화할 수 있는 기능을 수행할 수 있게 하려는 것이다.More specifically, it is to be able to perform the function of the shock absorber and athlete protection, which is the basic function of the insole, and the function of preventing the loss of force and maximizing the force.
또, 인솔 두께를 얇게 형성하여 착용자의 자세 안정 및 동작의 민첩성과 정확도를 향상시키면서 충격 흡수가 원할하고, 에너지 손실을 줄여 힘의 절약과 기록 향상을 도울 수 있게 하려는 것이다.In addition, by forming a thin insole thickness to improve the posture stability and agility and accuracy of the wearer, the shock absorption is desired, and to reduce energy loss to help save power and improve recording.
더불어, 착용자에서 배출되는 땀이나 우천으로 인한 수분 접촉시에도 인솔의 무게가 무거워지지 않으면서 상기와 같은 기능을 유지할 수 있게 하려는 것이다.In addition, it is intended to maintain the function as described above without the weight of the insole even in contact with water due to sweat or rain discharged from the wearer.
구체적으로, 논슬립 성능을 제공하는 논슬립시트, 방수성의 하부시트 및 논슬립시트와 하부시트 사이에 쿠견 재질의 우레탄폼층으로 제공되되, 인서트 사출 성형 방법을 통해 논슬립시트와 하부시트, 우레탄폼층이 전체가 일체화되며, 특히 논슬립시트는 습식 제조 방식의 우레탄 시트로 이루어지되, 표면 스킨층이 제거됨으로써 상부 표면에 무수히 많은 요철이 형성되도록 함으로써 단위면적 당 요철을 다수 형성할 수 있게 함으로써 논슬립 성능이 높은 인솔을 제공하려는 것이다.Specifically, the non-slip sheet, the non-slip sheet, the waterproof lower sheet, and the non-slip sheet and the urethane foam layer are provided between the non-slip sheet and the lower sheet that provide the non-slip performance, and the non-slip sheet, the lower sheet, and the urethane foam layer are integrated through the insert injection molding method. In particular, the non-slip sheet is made of a urethane sheet of the wet manufacturing method, but by removing the surface skin layer to form a myriad of irregularities on the upper surface to form a large number of irregularities per unit area to provide a high non-slip performance insole I will.
또한, 논슬립시트의 저면에는 부직포나 망사로 이루어진 보조지지층이 형성되어 하중의 집중 및 변환시에도 논슬립시트와 우레탄폼층의 분리가 잘 이루어지지 않게 하려는 것이다.In addition, an auxiliary support layer made of a nonwoven fabric or a mesh is formed on the bottom of the non-slip sheet to prevent separation of the non-slip sheet and the urethane foam layer even when the load is concentrated and converted.
또한, 논슬립시트는 내부에 다수의 셀이 형성된 구조로 이루어져 있어 보행자의 땀이 내부로 흡수될 수 있도록 되어 있어 수막 현상 발생을 억제할 수 있게 하려는 것이다.In addition, the non-slip sheet has a structure in which a plurality of cells are formed therein, so that sweat of pedestrians can be absorbed into the interior, thereby suppressing the occurrence of water film phenomenon.
더불어, 논슬립시트의 저면에는 불연속 도막으로 이루어진 발수코팅층이 형성됨으로 인해 중간의 폴리우레탄폼층의 형성 과정에서 발포 과정에서 발생하는 가스의 배출이 원할히 이루어지면서 우레탄 액상은 논슬립시트 내부의 다공 및 셀로 스며들지 않게 함으로써 우레탄폼의 발포에 따른 가스배출 불량 문제를 최소화하고, 논슬립, 수막방지 등의 요구 성능을 만족시킬 수 있게 하려는 것이다.In addition, since the water-repellent coating layer made of a discontinuous coating film is formed on the bottom of the non-slip sheet, the gas generated during the foaming process is smoothly discharged during the formation of the intermediate polyurethane foam layer, and the urethane liquid is permeated into the pores and cells inside the non-slip sheet. By minimizing the problem of poor gas emissions due to the foaming of the urethane foam, and to satisfy the required performance of non-slip, water film prevention.
본 발명의 스포츠용 논슬립 인솔은 상기와 같은 과제를 해결하기 위하여, 인솔의 표면에는 직경이 10 ~ 100㎛인 상부셀(11)들이 다수 형성되어 있으며, 상기 상부셀(11)의 하부에는 상기 상부셀(11)보다 직경이 크면서 상하로 긴 기둥 형태를 취하고 상부보다 하부 직경이 큰 하부셀(12)들이 다수 형성되어 있고, 상기 상부셀(11) 및 하부셀(12)이 형성되지 아니한 부분에는 상기 상부셀(11) 직경보다 크기가 작은 미세기공(13)이 형성되어 있는 습식우레탄시트(10a)의 상부표면이 제거됨으로써 상부셀(11)이 노출되어 상부 표면에 직경이 10 ~ 100㎛인 논슬립홈(14)이 형성되어 있는 논슬립시트(10)와; 상기 논슬립시트(10)의 하부에 논슬립시트(10)와 일체로 결합되어 있는 다공성의 우레탄폼층(20)과; 상기 우레탄폼층(20)의 하부에 상기 우레탄폼층(20)과 일체로 결합되어 있으며 비통기성 재질로 이루어져 있는 하부시트(30);를 포함하여 구성되되, 상기 논슬립시트(10)와 우레탄폼층(20) 사이에는 부직포 또는 망사 천 중 선택된 어느 하나로 이루어진 보조지지층(40)이 더 형성되어 있는 것을 특징으로 한다.Sports non-slip insole of the present invention in order to solve the above problems, the surface of the insole is formed with a plurality of upper cells 11 having a diameter of 10 ~ 100㎛, the upper part of the upper cell 11 Larger diameter than the cell 11 and the upper and lower columns in the form of a large number of lower cells 12 having a lower diameter than the upper portion is formed, the upper cell 11 and the lower cell 12 is not formed portion The upper surface of the wet urethane sheet 10a in which the micropores 13 having a smaller size than the diameter of the upper cell 11 is formed is removed, so that the upper cell 11 is exposed to a diameter of 10 to 100 μm. A non-slip sheet 10 having a non-slip groove 14 formed therein; A porous urethane foam layer 20 integrally coupled to the non-slip sheet 10 at a lower portion of the non-slip sheet 10; Consisting integrally with the urethane foam layer 20 in the lower portion of the urethane foam layer 20, the lower sheet 30 made of a non-breathable material; comprising, the non-slip sheet 10 and the urethane foam layer 20 ) Is further characterized in that the auxiliary support layer 40 made of any one selected from the non-woven fabric or mesh cloth.
또, 논슬립시트(10)의 저면에는 불연속 도막으로 코팅된 발수코팅층(15)이 형성되어 있는 것을 특징으로 한다.In addition, the non-slip sheet 10 is characterized in that the water-repellent coating layer 15 coated with a discontinuous coating film is formed.
또한, 상기 논슬립시트(10)의 상면에는 일정 패턴의 상부요철(50)이 형성되어 있는 것을 특징으로 한다.In addition, the upper surface of the non-slip sheet 10 is characterized in that the upper irregularities 50 of a predetermined pattern is formed.
더불어, 상기 하부시트(30)는 열가소성 폴리우레탄 수지가 압출 성형된 압출필름으로 이루어진 것을 특징으로 한다.In addition, the lower sheet 30 is characterized in that consisting of an extruded film extruded thermoplastic polyurethane resin.
아울러, 상기 논슬립시트(10)는 0.2 ~ 0.8mm의 두께로 이루어져 있고, 상기 하부시트(30)는 0.03 ~ 0.1mm로 이루어져 있으며, 상기 우레탄폼층(20)은 사용자의 발가락 위치에 대응되는 전방부가 1.1 ~ 2.77mm, 사용자의 앞꿈치 위치에 대응되는 중간부가 2.1 ~ 3.77mm, 사용자의 뒤꿈치에 대응되는 후방부가 2.6 ~ 5.27mm의 두께로 이루어져 있는 것을 특징으로 한다.In addition, the non-slip sheet 10 is made of a thickness of 0.2 ~ 0.8mm, the lower sheet 30 is made of 0.03 ~ 0.1mm, the urethane foam layer 20 is the front portion corresponding to the user's toe position 1.1 ~ 2.77mm, the middle portion corresponding to the user's heel position 2.1 ~ 3.77mm, the rear portion corresponding to the user's heel is characterized in that the thickness of 2.6 ~ 5.27mm.
또, 상기 논슬립시트(10) 상면에서 측정된 표면 경도는 쇼아 C 경도계로 45 ~ 65이며, 상기 하부시트(10) 저면에서 측정된 표면 경도는 쇼아 C 경도계로 30 ~ 50인 것을 특징으로 한다.In addition, the surface hardness measured on the upper surface of the non-slip sheet 10 is 45 ~ 65 by the Shore C hardness meter, the surface hardness measured on the bottom of the lower sheet 10 is characterized in that 30 ~ 50 by the Shore C hardness tester.
아울러, 상기 하부시트(30)는 둘레가 상향 절곡되어 우레탄폼층(20) 둘레를 감싸 형성되어 있는 것을 특징으로 한다.In addition, the lower sheet 30 is characterized in that the circumference is bent upwardly wrapped around the urethane foam layer 20.
또한, 상기 우레탄폼층(20)은 밀도 0.2 ~ 0.45g/㎣, 심부 경도는 쇼아 C 경도계로 30 ~ 45인 것을 특징으로 한다.In addition, the urethane foam layer 20 is characterized in that the density 0.2 ~ 0.45g / 심, core hardness is 30 ~ 45 by Shore C hardness tester.
더불어, 상기 논슬립시트(10)는 이형 처리된 페브릭 위에 코팅된 습식 우레탄 시트에서 페브릭을 제거하여 제조된 것을 특징으로 한다.In addition, the non-slip sheet 10 is characterized by being manufactured by removing the fabric from the wet urethane sheet coated on the release-treated fabric.
본 발명에 의해, 통상적으로 일반 인솔에게 요구되지 않는 고도의 논슬립 기능을 충족함과 더불어 보행자 양말을 통한 수분이 표면에 묻는 경우에도 수막 현상을 발생시키지 않게 하여 전문 운동 선수들로 하여금 부상을 방지하고 운동 능력을 배가시킬 수 있게 된다.According to the present invention, it meets the high level of non-slip function, which is not normally required for general insoles, and does not cause meninginess even when water through pedestrian socks gets on the surface, thereby preventing professional athletes from injuries. You will be able to double your motor skills.
보다 구체적으로, 인솔의 기본적인 기능인 충격 흡수 및 선수 보호의 기능과 힘의 손실 방지 및 힘을 극대화할 수 있는 기능을 수행할 수 있게 된다.More specifically, it is possible to perform the function of shock absorption, protection of the insole, which is a basic function of the insole, and the function of preventing the loss of force and maximizing the force.
또, 인솔 두께를 얇게 형성하여 착용자의 자세 안정 및 동작의 민첩성과 정확도를 향상시키면서 충격 흡수가 원할하고, 에너지 손실을 줄여 힘의 절약과 기록 향상을 도울 수 있게 된다.In addition, the thickness of the insole is made thin to improve the wearer's posture stability and movement agility and accuracy while absorbing shock and reducing energy loss, thereby helping to save power and improve recording.
더불어, 착용자에서 배출되는 땀이나 우천으로 인한 수분 접촉시에도 인솔의 무게가 무거워지지 않으면서 상기와 같은 기능을 유지할 수 있게 된다.In addition, even in contact with water due to sweat or rain discharged from the wearer, the weight of the insole can be maintained without heavy weight.
구체적으로, 논슬립 성능을 제공하는 논슬립시트, 방수성의 하부시트 및 논슬립시트와 하부시트 사이에 쿠견 재질의 우레탄폼층으로 제공되되, 인서트 사출 성형 방법을 통해 논슬립시트와 하부시트, 우레탄폼층이 전체가 일체화되며, 특히 논슬립시트는 습식 제조 방식의 우레탄 시트로 이루어지되, 표면 스킨층이 제거됨으로써 상부 표면에 무수히 많은 요철이 형성되도록 함으로써 단위면적 당 요철을 다수 형성할 수 있게 함으로써 논슬립 성능이 높은 인솔이 제공된다.Specifically, the non-slip sheet, the non-slip sheet, the waterproof lower sheet, and the non-slip sheet and the urethane foam layer are provided between the non-slip sheet and the lower sheet that provide the non-slip performance, and the non-slip sheet, the lower sheet, and the urethane foam layer are integrated through the insert injection molding method. In particular, the non-slip sheet is made of a urethane sheet of the wet manufacturing method, but by removing the surface skin layer to form a myriad of irregularities on the upper surface to form a large number of irregularities per unit area to provide a high non-slip performance insole do.
또한, 논슬립시트의 저면에는 부직포나 망사로 이루어진 보조지지층이 형성되어 하중의 집중 및 변환시에도 논슬립시트와 우레탄폼층의 분리가 잘 이루어지지 않게 된다.In addition, an auxiliary support layer made of a nonwoven fabric or a mesh is formed on the bottom of the non-slip sheet, so that the non-slip sheet and the urethane foam layer are not easily separated even when the load is concentrated and converted.
또한, 논슬립시트는 내부에 다수의 셀이 형성된 구조로 이루어져 있어 보행자의 땀이 내부로 흡수될 수 있도록 되어 있어 수막 현상 발생을 억제할 수 있게 된다.In addition, the non-slip sheet has a structure in which a plurality of cells are formed therein, so that sweat of pedestrians can be absorbed into the inside, thereby suppressing the occurrence of water film phenomenon.
더불어, 논슬립시트의 저면에는 불연속 도막으로 이루어진 발수코팅층이 형성됨으로 인해 중간의 폴리우레탄폼층의 형성 과정에서 발포 과정에서 발생하는 가스의 배출이 원할히 이루어지면서 우레탄 액상은 논슬립시트 내부의 다공 및 셀로 스며들지 않게 함으로써 우레탄폼의 발포에 따른 가스배출 불량 문제를 최소화하고, 논슬립, 수막방지 등의 요구 성능을 만족시킬 수 있게 된다.In addition, since the water-repellent coating layer made of a discontinuous coating film is formed on the bottom of the non-slip sheet, the gas generated during the foaming process is smoothly discharged during the formation of the intermediate polyurethane foam layer, and the urethane liquid is permeated into the pores and cells inside the non-slip sheet. By minimizing the problem of poor gas emission due to the foaming of the urethane foam, it is possible to meet the required performance, such as non-slip, water film prevention.
상기와 같은 성능에 따라 펜싱, 태권도 등과 같이 자세가 민감하고 민첩한 운동이나, 축구, 배구, 농구 등과 같이 안전한 착지가 중요한 운동, 마라톤, 경보 등과 같이 보행거리가 긴 전문 운동 선수들(프로스포츠 선수들)로 하여금 운동 능력을 충분히 발휘하면서 부상 방지에 도움이 될 수 있게 된다.According to the above performance, professional athletes with long walking distances such as posture sensitive and agile sports such as fencing and taekwondo, and important sports such as soccer, volleyball and basketball, marathon, and warning (marathoners) ) Will be able to help prevent injuries while fully exercising.
도 1은 본 발명에서 습식우레탄시트의 표면을 나타낸 사진.1 is a photograph showing the surface of the wet urethane sheet in the present invention.
도 2는 본 발명에서 습식우레탄시트의 단면 구조를 나타낸 현미경 사진.Figure 2 is a micrograph showing the cross-sectional structure of the wet urethane sheet in the present invention.
도 3은 본 발명에서 습식우레탄시트의 상부 표면이 제거된 표면을 나타낸 사진.Figure 3 is a photograph showing the surface removed from the upper surface of the wet urethane sheet in the present invention.
도 4는 본 발명에서 논슬립시트의 단면 구조를 나타낸 현미경 사진.Figure 4 is a micrograph showing the cross-sectional structure of the non-slip sheet in the present invention.
도 5는 본 발명에서 습식우레탄시트의 제조 예를 나타낸 공정도.Figure 5 is a process chart showing an example of manufacturing a wet urethane sheet in the present invention.
도 6은 본 발명에서 우레탄폼층 형성을 위한 금형 구조 및 금형 내에 각 구성요소가 배치된 상태를 나타낸 단면도.Figure 6 is a cross-sectional view showing a state in which each component is disposed in the mold structure and mold for forming a urethane foam layer in the present invention.
도 7은 본 발명에서 습식우레탄시트 상부 표면에 요철 형성을 위한 지그의 예를 나타낸 사진.Figure 7 is a photograph showing an example of a jig for forming irregularities on the upper surface of the wet urethane sheet in the present invention.
*도면의 주요부호에 대한 상세한 설명** Detailed description of the major symbols in the drawings *
1 : 폴리에스테르필름 1: polyester film
1a : 미세스크레치1a: fine scratch
2 : 페파롤 2: Peparol
3 : 폴리우레탄용액3: polyurethane solution
4 : 나이프코팅기 4: Knife Coating Machine
5 : 응고액5: coagulant
6 : 응고조 6: coagulation tank
7 : 그라비아롤7: gravure roll
8 : 복합필름 8: composite film
10 : 논슬립시트10: non slip sheet
11 : 상부셀 11: upper cell
12 : 하부셀12: lower cell
13 : 미세기공 13: fine pores
14 : 논슬립홈14: non-slip home
15 : 발수코팅층15: water repellent coating layer
20 : 우레탄폼층 20 urethane foam layer
30 : 하부시트30: lower seat
40 : 인솔금형 40: insole mold
41 : 금형상판41: mold top plate
42 : 금형하판42: mold lower plate
50 : 상부요철50: upper unevenness
본 발명의 인솔은 크게 상측에서 하측으로 논슬립시트(10), 우레탄폼층(20), 하부시트(30)의 3층 구조로 이루어져 있다.The insole of the present invention consists of a three-layer structure of the non-slip sheet 10, urethane foam layer 20, the lower sheet 30 from the upper side to the lower side.
본 발명의 구성요소인 논슬립시트(10)는 습식우레탄시트(10a)의 상부 표면이 제거됨으로써 상부 표면에 직경이 10 ~ 100㎛인 논슬립홈(14)이 형성되어 있는 구조를 취한다.The non-slip sheet 10, which is a component of the present invention, has a structure in which a non-slip groove 14 having a diameter of 10 to 100 µm is formed on the upper surface by removing the upper surface of the wet urethane sheet 10a.
도 1에는 습식우레탄시트(10a)의 표면이 도시되어 있으며, 도 2에는 습식우레탄시트(10a)의 단면 현미경 사진이 도시되어 있다.The surface of the wet urethane sheet 10a is shown in FIG. 1, and the cross-sectional micrograph of the wet urethane sheet 10a is shown in FIG.
도면을 보면 알 수 있듯이 본 발명에서 논슬립시트(10)의 원재료인 습식 우레탄시트(10a)는 도 2에 도시되어 있는 바와 같이, 표면에는 직경이 10 ~ 100㎛인 상부셀(11)들이 다수 형성되어 있으며, 상기 상부셀(11)의 하부에는 상기 상부셀(11)보다 직경이 크면서 상하로 긴 기둥 형태를 취하고 상부보다 하부 직경이 큰 하부셀(12)들이 다수 형성되어 있다.As can be seen from the figure, the wet urethane sheet 10a which is a raw material of the non-slip sheet 10 in the present invention, as shown in Figure 2, the surface is formed with a plurality of upper cells 11 having a diameter of 10 ~ 100㎛ In the lower part of the upper cell 11, a plurality of lower cells 12 having a larger diameter than the upper cell 11 and having a vertically long columnar shape and having a lower diameter than the upper part are formed.
또한, 상기 상부셀(11) 및 하부셀(12)이 형성되지 아니한 부분에는 상기 상부셀(11) 직경보다 크기가 작은 미세기공(13)이 형성되어 있다.In addition, the micropores 13 having a smaller size than the diameter of the upper cell 11 are formed in a portion where the upper cell 11 and the lower cell 12 are not formed.
도 3은 습식우레탄시트(10a)의 상부 표면이 제거되어 제조된 논슬립시트(10)의 상부 표면이 도시되어 있으며, 도 4는 이러한 습식우레탄시트(10a)의 단면 예가 도시되어 있다.3 shows a top surface of a non-slip sheet 10 produced by removing the top surface of the wet urethane sheet 10a, and FIG. 4 shows a cross-sectional example of such a wet urethane sheet 10a.
도면에 나타난 것처럼 습식우레탄시트(10a)의 상부 표면이 제거됨에 따라 상부셀(11)이 노출되어 상부 표면에 직경이 10 ~ 100㎛인 논슬립홈(14)이 형성된 것을 알 수 있다.As shown in the figure, as the upper surface of the wet urethane sheet 10a is removed, it can be seen that the upper cell 11 is exposed to form a non-slip groove 14 having a diameter of 10 to 100 μm on the upper surface.
즉, 논슬립시트(10)의 논슬립홈(14)은 습식우레탄시트(10a)의 상부 표면 제거에 따라 상부셀(11)의 상부가 노출된 홈이나 홀로 이루어지게 된다.That is, the non-slip groove 14 of the non-slip sheet 10 is made of a groove or a hole in which the upper portion of the upper cell 11 is exposed as the upper surface of the wet urethane sheet 10a is removed.
이때, 제거된 상부셀(11)로 인한 논슬립홈(14)의 수는 1㎟당 적게는 100개에서 많게는 700개까지 형성된다.At this time, the number of the non-slip grooves 14 due to the removed upper cell 11 is formed from as few as 100 to as many as 700 per 1 mm 2.
습식우레탄시트(10a)는 공지되어 있다시피 폴리우레탄 수지 고형분이 디메틸포름아미드(dimethylyformamide:DMF)계 용제에 용해된 폴리우레탄용액이 디메틸포름아미드와 물이 혼합된 응고액과 접촉하여 응고되어 내부에 다수의 셀이 형성됨으로 제조된다.As the wet urethane sheet 10a is known, a polyurethane solution in which a polyurethane resin solid component is dissolved in a dimethylyformamide (DMF) solvent is solidified in contact with a coagulation solution mixed with dimethylformamide and water. A number of cells are formed to form.
도 5에는 습식우레탄시트(10a)의 제조 및 이를 이용한 논슬립시트(10)를 제조하는 공정이 개념적으로 도시되어 있다.FIG. 5 conceptually illustrates the manufacturing of the wet urethane sheet 10a and the process of manufacturing the non-slip sheet 10 using the same.
먼저 습식우레탄시트(10a)를 제조하기 위해 폴리우레탄(PU) 수지의 고형분을 디메틸포름아미드(dimethylyformamide:DMF)계 용제에 25 ~ 75%로 용해시켜 폴리우레탄용액을 제조한다.First, in order to manufacture the wet urethane sheet 10a, a solid component of a polyurethane (PU) resin is dissolved in a dimethylformamide (dimethylyformamide: DMF) solvent in 25 to 75% to prepare a polyurethane solution.
또, 별도로 도 5에 도시되어 있는 바와 같이 두께 50~150㎛의 폴리에스테르필름(1) 상측 표면을 페파롤(2)로 길이 방향으로 연마하여 헤어라인과 같은 미세스크레치(1a)를 형성한다.In addition, as shown in FIG. 5, the upper surface of the polyester film 1 having a thickness of 50 to 150 μm is polished in the longitudinal direction with the pepper roll 2 to form a fine scratch 1a such as a hairline.
도면의 미세스크레치(1a)는 이해가 쉽게 하기 위해 크게 도시된 것으로 도면의 크기 및 비례에 한정되지 아니하며, 페파는#50~#200의 범위의 것을 사용하여 깊이 50㎛ 미만의 미세스크레치(1a)를 형성한다.The fine scratches 1a of the drawings are largely illustrated for easy understanding and are not limited to the size and proportion of the drawings. The pepper is fine scratches having a depth of less than 50 μm using those in the range of # 50 to # 200. To form.
폴리에스테르필름(1)에 미세스크레치(1a)를 형성하는 것은 습식우레탄시트(10a 제조 과정에서 응고단계와 탈 용제 과정에서 캐리어 역할을 하는 폴리에스테르필름(1)에 도포한 폴리우레탄용액이 제거되는 이탈현상을 막아주게 된다.Forming a fine scratch (1a) on the polyester film (1) is a wet urethane sheet (10a is a polyurethane solution applied to the polyester film (1) acting as a carrier during the solidification step and desolvent process in the manufacturing process is removed) It prevents the phenomenon of departure.
특히 폴리에스테르필름(1)을 표면 연마없이 그대로 사용할 경우 폴리우레탄 용액이 응고, 건조되면서 수축현상으로 바닥면에서 접착이 약해져 폴리에스테르필름(1)에서 폴리우레탄 막이 이탈하는 현상이 자주 나타나는 것과 차별화된다.In particular, when the polyester film 1 is used as it is without surface polishing, the polyurethane solution is solidified and dried, and the adhesion is weak at the bottom surface due to shrinkage, which is different from that in which the polyurethane film is detached from the polyester film 1 frequently. .
나아가서는 표면스킨 제거시 페파롤을 이용한 연마공정에서 외부 함이 강하게 작용하므로 보다 높은 접착력을 제공하게 된다.Furthermore, when the surface skin is removed, the outer box acts strongly in the polishing process using peperol, thus providing a higher adhesion.
미세스크레치(1a)가 형성된 폴리에스테르필름(1)의 상측표면에 도 5와 같이 상기 용해된 폴리우레탄용액(3)을 나이프코팅기(4)나 콤마코팅기로 200~700㎛ 두께로 도포한다.The dissolved polyurethane solution 3 is applied to the upper surface of the polyester film 1 having the fine scratch 1a as shown in FIG. 5 by using a knife coater 4 or a comma coater to a thickness of 200 to 700 μm.
이어 물 60중량%와 디메틸포름아미드(dimethylyformamide:DMF)를 40중량%로 혼합한 응고액(5)이 저장된 채 섭씨 20 ~ 30도로 조절되는 응고조(6)에 상기 폴리우레탄용액(3)이 도포된 폴리에스테르필름(1)을 투입하여 응고시킨다.Next, the polyurethane solution (3) was added to a coagulation bath (6) controlled at 20 to 30 degrees Celsius while a coagulation solution (5) containing 60 wt% water and dimethylyformamide (DMF) at 40 wt% was stored. The coated polyester film 1 is added and solidified.
응고조(6)에서는 물과 디메틸포름아미드(dimethylyformamide:DMF) 용제와의 치환반응(substitution reaction)으로 잔류 디메틸포름아미드를 제거한다. In the coagulation bath 6, residual dimethylformamide is removed by a substitution reaction between water and a dimethylyformamide (DMF) solvent.
그리고 열풍으로 건조시켜 수분과 잔류 용제를 완전히 제거한다.Dry with hot air to completely remove water and residual solvent.
이러한 공정에 의해 폴리에스테르필름(1) 상측 표면에 습식우레탄시트(10a)가 일체로 결합된 복합필름(8)이 제조된다.By this process, the composite film 8 in which the wet urethane sheet 10a is integrally bonded to the upper surface of the polyester film 1 is manufactured.
응고조(6)에서 용제와의 응고 과정을 살펴보면 응고조(6) 내부의 액체는 물이 60중량%를 차지하는 바, 폴리우레탄용액(3)의 상부 표면이 물과 접촉하는 순간 도포된 표면에 있는 DMF가 물과 치환되면서 표면층부터 응고가 이루어지면서 도 1과 같은 막 형태의 표면스킨층이 형성된다.Looking at the coagulation process with the solvent in the coagulation tank (6), the liquid in the coagulation tank (6) is 60% by weight of water, the moment the upper surface of the polyurethane solution (3) is in contact with the water on the coated surface As the DMF is replaced with water, solidification is performed from the surface layer to form a surface skin layer as shown in FIG. 1.
도 1에 도시된 표면스킨층은 그 하부와 실질적으로 재질의 차이가 있는 것은 아니며, 표면의 급속 응고에 따라 응고 속도 차이에 따라 형성되는 막이라 할 것이다.The surface skin layer shown in FIG. 1 is not substantially different in material from the lower portion thereof, and may be referred to as a film formed according to the difference in the solidification rate according to the rapid solidification of the surface.
이 표면스킨층은 DMF가 빠져나간 자리에 수 ㎛ 이하의 미세구멍을 갖게 된다.This surface skin layer has micropores of several micrometers or less in the place where DMF escapes.
이때 표면스킨층 아래에는 용액 상태인데, 표면스킨층의 미세구멍을 통해 물과 DMF의 치환이 계속되면서 표면스킨층처럼 빠른 치환이 이루어지지 못하면서 용매 내의 폴리우레탄용액(3)은 용제인 DMF가 일부 빠져나가면서 비용매인 물이 첨가되며 응력의 작용으로 표면스킨층 바로 아래에는 복수층의 셀들이 형성된다.At this time, the solution is under the surface skin layer. Subsequent replacement of water and DMF through the micropores of the surface skin layer, the polyurethane solution (3) in the solvent is partially dissolved in the DMF, which is a solvent, as fast as the surface skin layer is not substituted. As it exits, non-solvent water is added, and multiple layers of cells are formed just under the surface skin layer under the action of stress.
도 2에 도시된 습식우레탄시트(10a)의 단면 사진을 보면 이러한 셀들의 형상이 나타나 있다.Looking at the cross-sectional photograph of the wet urethane sheet 10a shown in Figure 2 shows the shape of these cells.
즉, 물과 DMF의 치환 속도 및 물의 첨가로 인한 응력 작용으로 인해 전술한 바와 같이 상측으로는 크기가 작은 상부셀(11)이 하부에는 오뚜기(항아리)와 같은 형상을 취하면서 상부셀(11)보다 크기가 큰 하부셀(12)이 형성되며, 셀들 사이의 부분에는 DMF가 물로 치환되어 형성되고 상부셀보다 훨씬 크기가 작은 미세기공(13)이 형성되는 구조를 취하게 된다.That is, due to the substitution rate of water and DMF and the stress action due to the addition of water, the upper cell 11 having a small size on the upper side has the same shape as the ottogi (jar) at the lower side as described above. The larger size of the lower cell 12 is formed, and the portion between the cells has a structure in which the DMF is formed by substituting water and the micropores 13 which are much smaller than the upper cell are formed.
하부셀(12)이 오뚜기와 같은 형상을 취하는 것은 물의 첨가로 인한 응력 작용이 심해지고 중력의 힘이 가해져 아래가 볼록한 형상을 취하게 된다.The lower cell 12 has a shape such as a squid, so that the stress action due to the addition of water is severe and the force of gravity is applied to the convex shape below.
이때, 상부셀(11)은 10 ~ 100㎛, 바람직하기로는 10 ~ 50㎛의 크기를 갖도록 함이 바람직하며, 셀과 셀 사이의 외벽 두께는 대략 5 ~20 ㎛ 크기를 갖게 하는 것이 좋다.At this time, the upper cell 11 preferably has a size of 10 ~ 100㎛, preferably 10 ~ 50㎛, the thickness of the outer wall between the cell is preferably 5 to 20㎛ size.
한편, 잔류 용제 제거가 끝난 후의 복합 필름(8)의 상부 표면 측 습식우레탄시트(10a)의 상측 표면(표면스킨층)은 페파롤로 연마하여 제거한다.On the other hand, the upper surface (surface skin layer) of the upper surface side wet urethane sheet 10a of the composite film 8 after completion | finish of residual solvent removal is grind | polished and removed.
이때, 상측 표면의 제거는 커터 등을 이용하여 상측 두께를 켜서 제거하는 방법으로 이루어질 수도 있으나, 커터를 이용한 제거의 경우 표면의 상단 높이가 일정해지게 되는 바, 전술한 페퍼롤을 이용한 제거 방법이 보다 바람직하다.At this time, the removal of the upper surface may be made by removing the upper thickness by using a cutter or the like, but in the case of removal using the cutter, the top height of the surface becomes constant. More preferred.
이러한 표면스킨층(논슬립시트의 상부 표면)을 제거하면 습식우레탄시트(10a)의 상부셀(11) 윗부분이 잘려 홈이나 홀 형태로 나타나게 된다.When the surface skin layer (the upper surface of the non-slip sheet) is removed, the upper part of the upper cell 11 of the wet urethane sheet 10a is cut and appears in the form of a groove or a hole.
또한, 홀과 홀 사이에는 DMF가 물로 치환된 미세다공 일부가 역시 홈이나 홀 형태로 노출되게 된다.In addition, a part of the micropores in which DMF is substituted with water is exposed between the hole and the hole in the form of a groove or a hole.
즉, 논슬립홈(14)은 커팅된 상부셀(11), 미세기공(13)에 의해 노출된 홈이나 홀로 이루어지게 되며, 이러한 논슬립홈(14)은 양말과 접촉면적을 최대한 넓혀주어 논슬립 역활을 하게 되고, 양말에서 배출된 땀을 흡수하는 역할도 하게 된다.That is, the non-slip groove 14 is made of a groove or a hole exposed by the cut upper cell 11, the micro-pores 13, the non-slip groove 14 serves to increase the contact area with the socks as much as possible to play a non-slip role. It also serves to absorb the sweat released from the socks.
이후, 복합필름(8)에서 폴리에스테르필름(1)을 박리하여 제거함으로써 논슬립시트(10)가 제조된다.Thereafter, the non-slip sheet 10 is manufactured by peeling and removing the polyester film 1 from the composite film 8.
이때, 폴리에스테르필름(1) 대신 이형 처리된 페브릭 위에 코팅된 습식 우레탄 시트에서 페브릭을 제거하여 제조될 수도 있다.In this case, the fabric may be manufactured by removing the fabric from the wet urethane sheet coated on the release treated fabric instead of the polyester film 1.
본 발명의 구성요소인 우레탄폼층(20)은 상기 논슬립시트(10)의 하부에 논슬립시트(10)와 일체로 결합되어 있다. Urethane foam layer 20 is a component of the present invention is integrally coupled to the non-slip sheet 10 to the lower portion of the non-slip sheet (10).
우레탄폼층(20)의 제조는 도 6에 도시되어 있는 바와 같이 금형상판(41)과 금형하판(42)으로 구성된 인솔금형(40)을 준비하고, 금형상판(41)에 논슬립시트(10)를 고정시키며, 금형하판(42)에 하부시트(30)를 펼쳐 고정시킨다.As shown in FIG. 6, the urethane foam layer 20 is prepared with an insole mold 40 composed of the upper mold 41 and the lower mold 42, and the non-slip sheet 10 is attached to the upper mold 41. Fixing, the lower sheet 30 is extended to fix the lower plate 42.
이때 논슬립시트(10)의 상면이 금형상판(41) 상측 표면에 닿게 한다.At this time, the upper surface of the non-slip sheet 10 is in contact with the upper surface of the mold upper plate 41.
금형하판(42) 위에 펼쳐 고정시켜진 하부시트(30)위에 폴리올과 이소시아네이트를 잘 혼합하여 투입하고 논슬립시트(10)가 부착된 인솔금형 상판을 닫아 클램프로 잘 잠그고 5분간 섭씨 50도~60도의 온도를 유지하며 발포시킨다.The polyol and isocyanate are mixed well into the lower sheet 30, which is laid out on the mold lower plate 42, and then closed. Foam while maintaining temperature.
이때 우레탄 발포체는 밀도는 20% ~ 45%(0.2 ~ 0.45g/㎣)가 되게 한다.In this case, the urethane foam has a density of 20% to 45% (0.2 to 0.45 g / cc).
이와 같이 형성된 우레탄폼층(20)은 셀 싸이즈 200 ~ 50㎛ 사이의 마이크로셀을 형성할 수 있도록 하여 충격흡수 기능을 향상시킨다.The urethane foam layer 20 formed as described above may form a microcell having a cell size of 200 to 50 μm, thereby improving shock absorption.
그 경도는 쇼야 c경도계로 실물을 측정한 결과 심부 경도가 30 ~ 45 사이가 바람직하다.As for the hardness, as a result of measuring the real thing with Shoya c hardness meter, the core hardness is preferably between 30 and 45.
또 충격을 가했을 때 그 충격이 바닥에 미치기 전에 폼의 셀이 에어쿠션으로 반발 탄성으로 작용하여 그 힘을 되돌려 보내도록 충분한 반발 탄성을 가지게 한다.When the impact is applied, the foam cells have sufficient rebound elasticity to act as a resilient elastic force to the air cushion before the impact reaches the floor.
이 쿠션층은 발이 착지하며 인솔의 표면층에 힘이 가해졌을 때 무수이 많은 셀이 받침으로 발이 바닥에 닫지 않게 하여 충격을 방지하며 가해진 힘을 다시 온 곳으로 되돌리는 에너지 리턴을 하는 역할을 한다.This cushion layer acts as an energy return to prevent impact and return the applied force back to the place where the foot lands and when the force is applied to the surface layer of the insole, the myriad of cells support the foot to prevent it from closing on the floor.
이 쿠션층의 역할로 장시간 격렬한 동작에도 무릎, 발목등이 보호돼고 반발탄성을 받아 몸이 훨신 더 가벼워짐을 느낄수 있는 것이다. The role of this cushion layer is to protect your knees and ankles even after intense movement for a long time, and you can feel your body much lighter thanks to resilience.
한편, 금형상판(41)에 깊이 0.5mm를 가진 2mmx2mm 크기의 사각혹은 마름모꼴의 모양의 두께 1.5mm 간격을 두고 사방연속으로 배혈한 모양으로 조각하여 표면에 요철을 형성하게 하여 난슬립에 도움을 주도록 할 수도 있다.On the other hand, the mold upper plate 41 is carved into the shape of the circumferentially bleeding at intervals of 1.5mm thickness of 2mmx2mm square or rhombic shape having a depth of 0.5mm to form irregularities on the surface to help the slip. You may.
도 7은 이러한 마름모꼴 상부요철(50)을 형성하기 위한 지그의 예가 도시되어 있다.7 shows an example of a jig for forming the lozenge upper unevenness 50.
본 발명의 구성요소인 하부시트(30)는 상기 우레탄폼층(20)의 하부에 상기 우레탄폼층(20)과 일체로 결합되어 있으며 비통기성 재질로 이루어져 있다.The lower sheet 30, which is a component of the present invention, is integrally combined with the urethane foam layer 20 at the lower portion of the urethane foam layer 20, and is made of a non-breathable material.
하부시트(30)는 열가소성 폴리우레탄 수지(thermoplastic polyurethane)를 압출 성형하여 50㎛ 두께의 압출필름으로 제조하여 구성될 수 있다.The lower sheet 30 may be formed by extruding a thermoplastic polyurethane resin to produce an extruded film having a thickness of 50 μm.
이때 열가소성 폴리우레탄 수지는 쇼야A 경도계로 85~95 의 경도를 가진 것이 바람직하다.At this time, the thermoplastic polyurethane resin preferably has a hardness of 85 to 95 in Shoya A hardness tester.
하부시트(30)는 논슬립시트(10)와 함께 인솔 내측의 우레탄폼층(20)을 감싸게 되며, 그 역할은 방수역할과 풍선효과로 힘을 저장하게 된다.The lower sheet 30 surrounds the urethane foam layer 20 inside the insole together with the non-slip sheet 10, and its role is to store the force by the waterproof role and the balloon effect.
즉, 상기 하부시트(30)는 도 6의 단면도에서 확인할 수 있듯이 둘레가 상향 절곡되어 우레탄폼층(20) 둘레를 감싸 형성되어 있는 것을 특징으로 한다.That is, the lower sheet 30 is characterized in that the periphery is bent upward as the sectional view of Figure 6 is formed to wrap around the urethane foam layer (20).
이러한 형상으로 인한 기술적 의의를 살펴조면, 상기 우레탄폼층(20) 내부의 발포 셀은 세미 오픈 셀로 필터폼처럼 완전한 오픈 셀은 아니지만 완전한 크로스셀도 아닌 셀이 조금 열려있는 구조를 취한다.Looking at the technical significance due to such a shape, the foam cell inside the urethane foam layer 20 is a semi-open cell, but not a complete open cell like a filter foam, but takes a structure in which a cell that is not a complete cross cell is slightly open.
이런 폼은 걷거나 될 때 그 힘으로 압력이 가해져 폼이 눌러졌을 때 폼의 셀 속에 있던 공기가 인솔 바깥으로 빠져나가게 된다.These foams are pressurized by their force when walking or when they are released, causing the air in the foam cells to escape out of the insole when the foam is pressed.
그러나 이러한 우레탄폼층(20)의 하부에 하부시트(30)가 배치되어 있음으로 인해 우레탄폼층(20) 내부의 공기가 외부로 빠져나가지 못하고 내부 다른 셀로 이동해 압력을 받으면서 있다가 압력이 해체될 때 밀어주는 힘을 더하여 주는 역할을 한다. 즉 풍선효과를 얻을 수 있는 것이다.However, because the lower sheet 30 is disposed below the urethane foam layer 20, the air inside the urethane foam layer 20 does not escape to the outside but is moved to another cell inside to receive pressure and pushed when the pressure is released. Giving role adds strength. That is, the balloon effect can be obtained.
또한, 열가소성 폴리우레탄 수지는 그 자체로 방수 성능을 갖기 때문에 비가 올 때 운동화 속으로 물이 들어와도 인솔 내부로 침투하는 것을 막아주어 인솔이 무거워지지 않게 한다. In addition, since the thermoplastic polyurethane resin itself has a waterproof performance, it prevents the insole from becoming heavy by preventing the water from penetrating into the insole even when water enters the sneaker when it rains.
상기와 같은 구성에서 상기 논슬립시트(10)와 우레탄폼층(20) 사이에는 부직포 또는 망사 천 중 선택된 어느 하나로 이루어진 보조지지층(40)이 더 형성될 수 있다.In the above configuration, the non-slip sheet 10 and the urethane foam layer 20 may further include an auxiliary support layer 40 made of any one selected from a nonwoven fabric or a mesh cloth.
보조지지층(40)은 제조 과정 및 사용 중 논슬립시트(10)와 우레탄폼층(20) 사이의 결합 고정이 견고하게 이루어지도록 하는 역할을 해주게 된다.The auxiliary support layer 40 serves to securely bond between the non-slip sheet 10 and the urethane foam layer 20 during the manufacturing process and use.
도 6에는 보조지지층(40)이 설치된 상태에서 우레탄폼층(20)의 형성이 이루어지는 구성이 도시되어 있다.6 shows a configuration in which the urethane foam layer 20 is formed in a state in which the auxiliary support layer 40 is installed.
보조지지층(40)은 제조가 완료된 논슬립시트(10)의 저부에 접착제를 이용하여 전체 또는 부분 접착되어 형성된다. Auxiliary support layer 40 is formed on the bottom of the non-slip sheet 10 is completed by using a whole or partial adhesive.
이때, 보조지지층(40)이 부직포로 이루어지는 경우는 부분 접착이 바람직하며, 망사로 이루어지는 경우 전체 접착으로 이루어질 수 있다.In this case, when the auxiliary support layer 40 is made of a nonwoven fabric, partial bonding is preferable, and when the auxiliary support layer 40 is made of a mesh, it may be made of whole bonding.
이는 논슬립시트(10)에 형성된 하부셀(12), 미세기공(13)이 우레탄폼층(20) 내부의 다공과 서로 연결될 수 있는 구조를 유지하는 상태를 취하면서 보조지지층(40)의 기능을 발휘할 수 있게 해주기 위한 접착 구조이다.The lower cell 12 and the micropores 13 formed in the non-slip sheet 10 may exhibit a function of the auxiliary support layer 40 while maintaining a structure in which the lower cells 12 and the micropores 13 may be connected to the pores inside the urethane foam layer 20. It is an adhesive structure to make it possible.
한편, 논슬립시트(10)의 저면에는 불연속 도막으로 코팅된 발수코팅층(15)이 형성될 수 있다.Meanwhile, a water repellent coating layer 15 coated with a discontinuous coating film may be formed on the bottom of the non-slip sheet 10.
도 5의 하단 도면에는 논슬립시트(10)의 저면에 발수코팅층(15)이 부분적으로 코팅된 불연속 도막을 형성하는 것이 개념적으로 나타나 있다.5, conceptually, a discontinuous coating film partially coated with the water repellent coating layer 15 is formed on the bottom surface of the non-slip sheet 10.
발수코팅층(15)은 첨가제로 0.1 ~ 0.2 중량%의 발수제를 첨가하여 고형분 2 ~ 5 중량%인 수지 코팅액을 제조하여 완성된 논슬립시트(10)의 저면에 도 1에 도시된 것처럼 #100~200의 그라비아롤(7)로 제조된 수지 코팅액을 그라비아 코팅하여 열풍으로 건조하여 형성할 수 있다.The water repellent coating layer 15 is prepared by adding 0.1 to 0.2% by weight of a water repellent as an additive to prepare a resin coating solution having a solid content of 2 to 5% by weight, as shown in FIG. The gravure roll 7 of the resin coating solution prepared by gravure coating can be formed by drying with hot air.
이때 수지코팅액은 유성이나 수성 모두 상관없지만 수성으로 하면 더욱 좋다.At this time, the resin coating liquid may be both oily and aqueous, but may be made aqueous.
만약 발수코팅층(15)을 형성치 아니할 경우 후술하는 우레탄폼층(20)의 제조 과정에서 액상인 폴리우레탄 원료가 폼으로 형성되며 경화되기 직전 유동성이 있을 때에 활발한 발포현상으로 내부 압력이 걸리는 상태에서 논슬립시트(10)의 하부셀(12) 및 미세기공(13), 그리고 상부셀(11)을 통해 모세관현상과 내부압력으로 액이 논슬립시트 하부로부터 스며들어 상부 표면으로 흘러나오는 현상이 발생할 수 있다.If the water-repellent coating layer 15 is not formed, the liquid polyurethane raw material is formed into a foam during the manufacturing process of the urethane foam layer 20 to be described later. Through the lower cell 12, the micropores 13, and the upper cell 11 of the sheet 10, liquid may seep out from the lower portion of the non-slip sheet and flow out to the upper surface due to capillary action and internal pressure.
이미 형성된 하부셀(12) 및 미세기공(13), 그리고 상부셀(11)에 액이 스며들어 상부 표면으로 흘러나오게 되면 논슬립시트(10) 상부 표면에 얼룩과 스민 자국으로 양질의 품질을 얻을 수 없게 된다.When the liquid penetrates the lower cell 12, the micropores 13, and the upper cell 11, and flows out to the upper surface, it is possible to obtain high-quality quality with stains and splats on the upper surface of the non-slip sheet 10. There will be no.
이때, 수지 고형분 5%을 초과하여 두껍게 코팅을 한다면 높아진 점도나 수지의 체적으로 코팅면은 논슬립시트(10) 저부 표면에 있던 홀들이 다 막고 도막은 연속도막이 되어 우레탄폼층(20) 형성을 위한 발포 과정에서 논슬립시트(10)와 하부시트(30) 사이에 잔존하고 있던 공기가 빠져나갈 곳이 없어 제품 내부에 머물러 있게 되어 폼의 셀과 다른 기포로 불량인 제품이 된다. In this case, if the coating is thicker than 5% of the resin solid content, the coated surface with the increased viscosity or resin volume blocks all the holes on the bottom surface of the non-slip sheet 10 and the coating becomes a continuous coating to form the urethane foam layer 20. There is no place to escape the air remaining between the non-slip sheet 10 and the lower sheet 30 in the process to stay inside the product is a defective product by the cells of the foam and other bubbles.
그래서 하부시트(30)는 공기기 통하지 못하기 때문에 논슬립시트(10)에 공기는 원활이 통할 수 있으면서 즉 내부 액상의 우레탄이 발포하면서 부피를 키을 때 그 힘으로 내부 잔류공가가 빠져 나갈 수 있으면서 액상의 우레탄 액을 빠져나가지 못하도록 하는 홀의 크기조정과 발수성으로 표면장력이 생기도록 하는 기능을 액은 가져야 한다.Therefore, since the lower sheet 30 is not airy, the air can flow smoothly to the non-slip sheet 10, that is, when the urethane of the internal liquid is foamed and the volume increases while the internal residual voids can escape by the force of the liquid phase. The solution should have the function of making the surface tension by adjusting the size and water repellency of the hole to prevent the urethane solution from escaping.
여러 차례 실험한 결과 발수제를 첨가된 고형분 2 ~ 5%인 액상으로 #100~200 메쉬 그라비아 롤로 도포하면 소량 도포에 따라 드포량이 연속도막을 이루지 못하도록 불연속 도막이 형성되며, 표면에 나 있는 구멍의 일부만 막아서 구멍을 더 작게 만듬과 동시에 친수성인 우레탄 액상과 도포된 코팅을 소수성을 갖게 하여 서로 밀어내는 힘이 부여되어 상기 기능을 얻을 수 있게 된다.As a result of several experiments, when a water-repellent agent is applied with a # 100-200 mesh gravure roll in a liquid with 2 to 5% of solid content, a discontinuous coating film is formed so that a small amount does not form a continuous coating film. At the same time making the hole smaller, the hydrophilic urethane liquid and the applied coating are made hydrophobic so that the force to push against each other can be obtained to obtain the above function.
상기와 같은 구성에 있어서 상기 논슬립시트(10)는 0.2 ~ 0.8mm의 두께로 이루어져 있고, 상기 하부시트(30)는 0.03 ~ 0.1mm로 이루어져 있으며, 상기 우레탄폼층(20)은 사용자의 발가락 위치에 대응되는 전방부가 1.1 ~ 2.77mm, 사용자의 앞꿈치 위치에 대응되는 중간부가 2.1 ~ 3.77mm, 사용자의 뒤꿈치에 대응되는 후방부가 2.6 ~ 5.27mm의 두께로 이루어져 있는 것이 바람직하다.In the configuration as described above, the non-slip sheet 10 is made of a thickness of 0.2 ~ 0.8mm, the lower sheet 30 is made of 0.03 ~ 0.1mm, the urethane foam layer 20 is located at the user's toe position It is preferable that the corresponding front portion is 1.1 to 2.77 mm, the middle portion corresponding to the user's heel position is 2.1 to 3.77 mm, and the rear portion corresponding to the heel of the user has a thickness of 2.6 to 5.27 mm.
종래의 인솔은 보통 앞부분이 5 ~ 8mm, 뒷부분은 6 ~ 10mm로 구성되며, 전체 인솔의 70 ~ 80%는 발포 EVA로 이루어지고 나머지 부분이 우레탄폼이나 PE 폼 등의 소재로 이루어졌다.Conventional insole is usually composed of 5 ~ 8mm in the front part, 6 ~ 10mm in the rear part, 70 ~ 80% of the entire insole is made of foam EVA and the rest is made of a material such as urethane foam or PE foam.
그런데, 두께가 두꺼우면 운동선수의 자세가 불안정해지고 지면에서 멀어지게 되어 동작의 민첩성과 정확도를 떨어뜨리게 된다.However, if the thickness is thick, the athlete's posture becomes unstable and moves away from the ground, reducing the agility and accuracy of the movement.
이를 방지하기 위해 두께를 얇게 할 경우 자칫 충격 흡수와 같은 인솔이 갖춰야 하는 기본 기능을 만족시키지 못하게 된다.To prevent this, thinning will not meet the basic functions of insoles such as shock absorbers.
본 출원인은 상기와 같이 구성된 본 발명의 구조에 적합한 최적의 두께를 살펴본 바, 상기와 같은 두께로 이루어질 때 기본적인 충격 흡수 기능을 만족시키면서 두께를 최소화하여 전문 운동선수에게 적합한 자세 안정성, 동작의 민첩성 등을 확보할 수 있음을 알게 되었다.Applicant looked at the optimum thickness suitable for the structure of the present invention configured as described above, when it is made as described above to minimize the thickness while satisfying the basic shock-absorbing function posture stability suitable for professional athletes, agility of operation, etc. It was found that can be secured.
한편, 상기와 같이 구성된 본 발명은 논슬립시트(10) 상면에서 측정된 표면 경도는 쇼아 C 경도계로 45 ~ 65이며, 상기 하부시트(10) 저면에서 측정된 표면 경도는 쇼아 C 경도계로 30 ~ 50로 나타났다.Meanwhile, in the present invention configured as described above, the surface hardness measured on the upper surface of the non-slip sheet 10 is 45 to 65 with a Shore C hardness tester, and the surface hardness measured on the bottom surface of the lower sheet 10 is 30 to 50 with a Shore C hardness tester. Appeared.
이러한 경도 측정값은 발과 접촉하는 부분인 논슬립시트(10) 부분은 하부시트(30) 부분에 비해 비교적 경질을 갖는 것으로 착용자의 발 하중이 논슬립시트(10)의 인접한 표면으로 비교적 고르게 분산하고, 우레탄폼층(20)을 통해서는 충격이 흡수될 수 있게 됨을 의미하는 것으로 충격 분산에 효과가 있음을 나타낸다.The hardness measurement value is that the portion of the non-slip sheet 10 which is in contact with the foot is relatively hard compared to the portion of the lower sheet 30 so that the foot load of the wearer is relatively evenly distributed to the adjacent surface of the non-slip sheet 10, Through the urethane foam layer 20 means that the shock can be absorbed to indicate that there is an effect in the impact dispersion.
이상과 같이 구성된 본 발명의 스포츠용 논슬립 인솔은 기존 인솔에 비해 두께가 얇게 이루어짐에도 불구하고 인솔의 기본 기능인 충격 흡수 및 선수 보호의 조건을 만족시킬 수 있으며, 더불어 얇은 두께를 통해 동작의 민접청 및 정확도를 높일 수 있고 힘의 손실 방지하여 힘의 극대화를 만족시킬 수 있게 된다.The non-slip insole for sports of the present invention configured as described above can satisfy the conditions of shock absorption and protection of athletes, which are basic functions of the insole, despite being thinner than conventional insoles, and also using a thin thickness The accuracy can be increased and the force loss can be prevented to maximize the force.
특히, 발과 접촉하는 인솔 상부 표면이 상부셀(11), 미세기공(13) 등을 통한 접촉 면적이 증대되어 슬립이 이루어지지 않게 되어 슬립으로 인한 힘의 손실, 자세 불안정을 방지할 수 있게 된다.In particular, the insole upper surface in contact with the foot is the contact area through the upper cell 11, the micropores 13, etc. is increased so that the slip is not made, it is possible to prevent the loss of power due to the slip, posture instability .
본 발명의 스포츠용 논슬립 인솔은 펜싱, 태권도 등과 같이 자세가 민감하고 민첩한 운동이나, 축구, 배구, 농구 등과 같이 안전한 착지가 중요한 운동, 마라톤, 경보 등과 같이 보행거리가 긴 전문 운동 선수들(프로스포츠 선수들) 등의 신발에 적용될 수 있다 할 것이다.Non-slip insole for sports of the present invention is a professional athletes with a long walking distance such as marathon, warning, such as fencing, taekwondo, sensitive posture and agile sports, such as football, volleyball, basketball, etc. It can be applied to shoes such as athletes).

Claims (9)

  1. 인솔에 있어서,In insole,
    인솔의 표면에는 직경이 10 ~ 100㎛인 상부셀(11)들이 다수 형성되어 있으며, 상기 상부셀(11)의 하부에는 상기 상부셀(11)보다 직경이 크면서 상하로 긴 기둥 형태를 취하고 상부보다 하부 직경이 큰 하부셀(12)들이 다수 형성되어 있고, 상기 상부셀(11) 및 하부셀(12)이 형성되지 아니한 부분에는 상기 상부셀(11) 직경보다 크기가 작은 미세기공(13)이 형성되어 있는 습식우레탄시트(10a)의 상부표면이 제거됨으로써 상부셀(11)이 노출되어 상부 표면에 직경이 10 ~ 100㎛인 논슬립홈(14)이 형성되어 있는 논슬립시트(10)와;On the surface of the insole is formed a number of upper cells 11 having a diameter of 10 ~ 100㎛, the lower portion of the upper cell 11 has a larger diameter than the upper cell 11 and takes the form of a long column up and down A plurality of lower cells 12 having a larger lower diameter are formed, and the micropores 13 having a smaller size than the diameter of the upper cell 11 are formed at portions where the upper cell 11 and the lower cell 12 are not formed. A non-slip sheet 10 having a non-slip groove 14 having a diameter of 10 to 100 μm formed on the upper surface by exposing the upper cell 11 by removing the upper surface of the formed wet urethane sheet 10 a;
    상기 논슬립시트(10)의 하부에 논슬립시트(10)와 일체로 결합되어 있는 다공성의 우레탄폼층(20)과;A porous urethane foam layer 20 integrally coupled to the non-slip sheet 10 at a lower portion of the non-slip sheet 10;
    상기 우레탄폼층(20)의 하부에 상기 우레탄폼층(20)과 일체로 결합되어 있으며 비통기성 재질로 이루어져 있는 하부시트(30);를 포함하여 구성되되,The lower sheet 30 is integrally coupled to the urethane foam layer 20 at the lower portion of the urethane foam layer 20 and made of a non-breathable material;
    상기 논슬립시트(10)와 우레탄폼층(20) 사이에는 부직포 또는 망사 천 중 선택된 어느 하나로 이루어진 보조지지층(40)이 더 형성되어 있는 것을 특징으로 하는,Between the non-slip sheet 10 and the urethane foam layer 20, characterized in that the auxiliary support layer 40 made of any one selected from non-woven fabric or mesh cloth is further formed,
    스포츠용 논슬립 인솔.Non-slip insole for sports.
  2. 제 1항에 있어서,The method of claim 1,
    논슬립시트(10)의 저면에는 불연속 도막으로 코팅된 발수코팅층(15)이 형성되어 있는 것을 특징으로 하는,On the bottom of the non-slip sheet 10, characterized in that the water-repellent coating layer 15 is coated with a discontinuous coating film,
    스포츠용 논슬립 인솔.Non-slip insole for sports.
  3. 제 1항에 있어서,The method of claim 1,
    상기 논슬립시트(10)의 상면에는 일정 패턴의 상부요철(50)이 형성되어 있는 것을 특징으로 하는,The upper surface of the non-slip sheet 10, characterized in that the upper irregularities 50 of a predetermined pattern is formed,
    스포츠용 논슬립 인솔.Non-slip insole for sports.
  4. 제 1항에 있어서,The method of claim 1,
    상기 하부시트(30)는 열가소성 폴리우레탄 수지가 압출 성형된 압출필름으로 이루어진 것을 특징으로 하는,The lower sheet 30 is characterized in that consisting of an extruded film extruded thermoplastic polyurethane resin,
    스포츠용 논슬립 인솔.Non-slip insole for sports.
  5. 제 1항에 있어서,The method of claim 1,
    상기 논슬립시트(10)는 0.2 ~ 0.8mm의 두께로 이루어져 있고,The non-slip sheet 10 is made of a thickness of 0.2 ~ 0.8mm,
    상기 하부시트(30)는 0.03 ~ 0.1mm로 이루어져 있으며,The lower sheet 30 is made of 0.03 ~ 0.1mm,
    상기 우레탄폼층(20)은 사용자의 발가락 위치에 대응되는 전방부가 1.1 ~ 2.77mm, 사용자의 앞꿈치 위치에 대응되는 중간부가 2.1 ~ 3.77mm, 사용자의 뒤꿈치에 대응되는 후방부가 2.6 ~ 5.27mm의 두께로 이루어져 있는 것을 특징으로 하는,The urethane foam layer 20 has a thickness of 1.1 to 2.77 mm corresponding to the position of the user's toe, 2.1 to 3.77 mm of the middle portion corresponding to the position of the user's heel, and 2.6 to 5.27 mm of the rear portion corresponding to the heel of the user. Characterized in that
    스포츠용 논슬립 인솔.Non-slip insole for sports.
  6. 제 1항에 있어서,The method of claim 1,
    상기 논슬립시트(10) 상면에서 측정된 표면 경도는 쇼아 C 경도계로 45 ~ 65이며, The surface hardness measured on the upper surface of the non-slip sheet 10 is 45 ~ 65 by Shore C hardness tester,
    상기 하부시트(30) 저면에서 측정된 표면 경도는 쇼아 C 경도계로 30 ~ 50인 것을 특징으로 하는,Surface hardness measured at the bottom of the lower sheet 30 is characterized in that the Shore C hardness tester 30 ~ 50,
    스포츠용 논슬립 인솔.Non-slip insole for sports.
  7. 제 1항에 있어서,The method of claim 1,
    상기 하부시트(30)는 둘레가 상향 절곡되어 우레탄폼층(20) 둘레를 감싸 형성되어 있는 것을 특징으로 하는,The lower sheet 30 is bent upward circumference is characterized in that it is formed to surround the urethane foam layer 20,
    스포츠용 논슬립 인솔.Non-slip insole for sports.
  8. 제 1항에 있어서,The method of claim 1,
    상기 우레탄폼층(20)은 밀도 0.2 ~ 0.45g/㎣, 심부 경도는 쇼아 C 경도계로 30 ~ 45인 것을 특징으로 하는,The urethane foam layer 20 density 0.2 ~ 0.45g / ㎣, core hardness is characterized in that the Shore C hardness tester is 30 ~ 45,
    스포츠용 논슬립 인솔.Non-slip insole for sports.
  9. 제 1항에 있어서,The method of claim 1,
    상기 논슬립시트(10)는 이형 처리된 페브릭 위에 코팅된 습식 우레탄 시트에서 페브릭을 제거하여 제조된 것을 특징으로 하는,The non-slip sheet 10 is characterized in that manufactured by removing the fabric from the wet urethane sheet coated on the release-treated fabric,
    스포츠용 논슬립 인솔.Non-slip insole for sports.
PCT/KR2017/003171 2016-04-05 2017-03-24 Athletic non-slip insole WO2017175995A1 (en)

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KR101686547B1 (en) 2016-09-01 2016-12-14 김태효 Non slip socks for sports
WO2019182176A1 (en) * 2018-03-23 2019-09-26 김태효 Non-slip footwear
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KR102306525B1 (en) 2020-10-06 2021-10-08 주식회사 위풋테크놀로지 mold for nonslip socks making
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