Provided is a block type outsole and a shoe manufacturing method including same that can firmly fix the block type outsole to the base portion without an adhesive, thereby providing the shoe with excellent durability, and undergo no hydrolyzation of an adhesive even in wet places and cause no concern of being detached from the shoe due to reduced adhesion, thereby providing the shoe with excellent waterproofness. In addition, the block type outsole and shoe manufacturing method including same can manufacture a shoe including a block type outsole having abrasion resistance and anti-slip function only by using a simple process, thereby showing excellent process efficiency.
An attachable/detachable toecap coupled to the front of the work shoes is disclosed. The attachable/detachable toecap coupled to the front of the work shoe comprises a top plate formed to cover toes and a portion of top of a foot; a side plate formed to extend downwards from the side of the top plate and to surround the top plate; a bottom plate formed to be under the side plate and to cover the bottom of the front of the work shoe; and an anti-separation means for preventing separation of the toecap from the work shoes, wherein the anti-separation means further comprises coupling blocks protruding from the bottom of the work shoe and coupling grooves formed to have vertical perforations at the position corresponding to the coupling blocks, so that the coupling blocks are snap-fitted to prevent the separation of the toecap from the work shoe.
KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGYTECH (Republic of Korea)
NANOTECH CERAMICS CO., LTD. (Republic of Korea)
Inventor
Lim, Hyungmi
Mun, Soyoun
Son, Kyoungwoo
Song, Hun
Son, Baegeun
Jeong, Sang Ok
Kim, Sang Jun
Abstract
An objective of the present invention is to provide a non-combustible finishing material comprising an inorganic binder and methylcellulose to solve the problems of conventional non-combustible finishing materials. The non-combustible finishing material according to the present invention is excellent in terms of adhesion strength, long-term durability, non-combustibility, and thermal insulation.
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
Disclosed are a brake disk for a non-powered anti-lock bicycle brake, capable of implementing a light-weight anti-lock brake of a simple structure that does not require constant power, and a non-powered anti-lock bicycle brake system using the brake disk. The brake disk for a non-powered anti-lock bicycle brake according to one embodiment comprises a rotor, a disk arm, and a hub coupling unit, wherein the rotor comprises a plurality of a first rotor unit having a small thickness, a second rotor unit having a large thickness, and a third rotor unit which gradually changes in thickness while connecting the first rotor unit and the second rotor unit.
B62L 1/14 - Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements the wheel-rim being engaged by the elements moving substantially parallel to the wheel axis the elements being mounted on levers pivotable about different axes
B62L 3/02 - Brake-actuating mechanisms; Arrangements thereof for control by a hand lever
F16D 55/226 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially
F16D 65/18 - Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together
F16D 55/00 - Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
The present invention relates to an attachable/detachable toe cap for work shoes and, more particularly, to a toe cap coupled to the front of a work shoe, comprising: an upper plate part covering a part of the toes and the top of a foot; a side plate part extending downward from the side of the upper plate part to surround the upper plate part; a bottom plate part formed under the side plate part to cover the bottom surface of the front of the work shoe; and a separation prevention means composed of a plurality of coupling protrusions protruding from the bottom of the work shoe and a plurality of coupling grooves penetrating up and down at positions corresponding to the coupling protrusions on the bottom plate, such that the plurality of coupling grooves are inserted into spaces between the plurality of coupling protrusions to thus prevent the separation of the toe cap.
KOREA INSTITUTE OF FOOTWEAR AND LEATHER TECHNOLOGY (Republic of Korea)
Inventor
Lee, Ji Eun
Lee, Jong Hwan
Jeong, Sang Ok
Park, Sang Young
Abstract
A foam-free low-specific-gravity polyolefin-based elastomer composition according to the present invention allows for a lightweight product without a foaming process, so that contaminants such as harmful gases are not generated during a foaming process and there is no risk of shrinkage, and thus has the effect of providing excellent dimensional stability. A foaming composition and a foamed body molding method using same according to the present invention can minimize the denaturation of an additive under high temperature conditions, so that foaming is performed stably, and thus have the effect of making the foaming uniformity of the foamed body stable. In addition, the present invention has the effect of providing a foamed body that is foamed after sufficient crosslinking and thus capable of excellently exhibiting the desired heat resistance.
C08K 5/09 - Carboxylic acids; Metal salts thereof; Anhydrides thereof
C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
C08J 9/10 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen
C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
Disclosed are shoes including a body having a foot insertion space into which user's foot is inserted, an air passage portion protruding from a front of the body to the outside and extending in a direction in which the body extends, and a foot support portion located in a width direction of the air passage portion. In addition, shoes according to another feature includes a first body portion in which a portion of a front foot portion of a wearer is positioned, a second body portion connected to the first body portion and in which the other remaining portion of the front foot portion, a middle foot portion, and a rear foot portion of the wearer are positioned, a cover seamlessly connected to the second body portion and protruding in an outward direction from both edge portions, at least one protrusion protruding from an inner surface of the cover and extending in a direction in which the second body portion extends, wherein a protruding thickness of each protrusion decreases from an upper portion toward the first body portion.
A block-type outsole and a method for manufacturing a shoe comprising same of the present invention are advantageous in that: the outsole can be tightly fixed to a shoe without an adhesive agent, thereby securing excellent durability; and the adhesive agent is not hydrolyzed even at a wet place such that there is no concern that delamination may occur due to deteriorated adhesion, thereby securing excellent waterproofness. In addition, a block-type outsole and a method for manufacturing a shoe comprising same of the present invention are advantageous in that it is possible to manufacture a shoe comprising a block-type outsole which has an abrasion-resistant property and a non-slip function through only a simple process, thereby securing excellent process efficiency.
A43B 13/14 - Soles; Sole-and-heel integral units characterised by the constructive form
A43B 13/22 - Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
A43B 13/26 - Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions projecting beyond the sole surface
A43B 13/28 - Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
B29C 44/00 - Shaping by internal pressure generated in the material, e.g. swelling or foaming
B29D 35/12 - Producing parts thereof, e.g. soles, heels or uppers, by a moulding technique
B29D 35/06 - Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
B29L 31/50 - Footwear, e.g. shoes or parts thereof
The present invention relates to a shoe comprising: a body having a foot insertion space into which a user's foot is inserted; an air passage part protruding out of the front portion of the body and extending in the extension direction of the body; and a foot support part disposed in the widthwise direction of the air passage part. Further, the shoe according to another aspect of the present invention comprises: a first body part in which the front portion of a wearer's foot is partially placed; a second body part which is connected to the first body part and in which the remaining front portion, the middle portion, and the rear portion of the wearer's foot are placed; a cover seamlessly connected to the second body part and protruding in the outward direction from both edge portions of the second body part; and at least one protrusion part protruding from the inner surface of the cover and extending in the extension direction of the second body part, wherein the protruding thickness of each protrusion part decreases as going from the top toward the first body part.
KOREA INSTITUTE OF FOOTWEAR AND LEATHER TECHNOLOGY (Republic of Korea)
Inventor
Jeong, Sang Ok
Park, Sang Young
Han, Dong Hun
Kim, Young Min
Lee, Dan Bi
Abstract
The lightweight footwear of the present invention maintains excellent durability and improves heat resistance, so that contraction percentage due to a change with the passage of time is significantly low, rarely causing deformation, and thus, the lightweight footwear may be used in a high temperature and sanitary environment. In addition, the present invention solves the problem of the occurrence of premature foaming due to injection molding and a pattern on the appearance due to dispersion failure, thereby facilitating injection molding.
The present invention relates to footwear and, more particularly, to an assembled double-structure footwear with improved breathability, which has a double structure including an inner shoe and an outer shoe that can be detached from each other, so as to allow sweat and moisture generated in the inner shoe to be effectively discharged. The assembled double-structure footwear with improved breathability according to an embodiment of the present invention comprises an inner shoe and an outer shoe, and has a structure in which the inner and outer shoes can be detachably assembled to each other, whereby an air passage allowing air discharge can be simply and effectively formed, and as a result, sweat or heat generated from a foot can be effectively discharged.
A43B 17/08 - Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined ventilated
A43B 17/14 - 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
A43B 17/18 - Arrangements for attaching removable insoles to footwear
A43B 7/08 - Footwear with health or hygienic arrangements ventilated with air-holes, with or without closures
An additive slurry for polyurethane-urea elastic fiber production according to the present invention includes: a solvent; a functional additive; and a moisture removal agent. According to the additive slurry for polyurethane-urea elastic fiber production according to the present invention, the moisture removal agent is introduced and added such that moisture that can enter the additive slurry can be removed to prevent in advance the infiltration of moisture into a spinning solution due to the additive slurry, thus suppressing gel formation in the spinning solution and a reduction in the quality of the polyurethane-urea elastic fiber due to moisture can be prevented.
D01F 6/70 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
A shoe (2) having an air-permeable tongue, according to the present invention, comprises: a tongue outer cover (131) having a plurality of vent holes (135); a tongue inner cover (133) provided under the tongue outer cover (131); and a spacer structure (132) having a main body part (132b) fitted between the tongue outer cover (131) and the tongue inner cover (133), and a wing part (132a) extending from the main body part (132b) toward the front of the shoe so as to be positioned under a vamp (140), which is an upper forming the front portion of the shoe. The spacer structure (132) comprises: an air-permeable part (132-1) upwardly formed from the wing part (132a); an air-permeable part (132-3) downwardly formed from the main body part (132b); and a space passage (132-2) formed in the wing part (132a) and the main body part (132b) so as to enable air to pass between the wing part (132a) and the main body part (132b). According to the present invention, heat or smell, which is generated at the front portion of the shoe, naturally passes through the space passage of the spacer structure and is discharged to the outside through the vent holes of the tongue.
According to one embodiment of the present invention, a fiber laminate, having excellent absorptivity and a surface layer and a back surface layer formed thereon, comprises an absorption layer formed between the surface layer and the back surface layer and in which porous particles are dispersed.
D01F 8/14 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
D04H 1/728 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
A lightweight helmet according to an embodiment of the present invention may have a fiber sheet layer formed of a reinforced fiber, and a porous foamed plastic layer thermally bonded and formed on one surface or both surfaces of the fiber sheet layer, and the fiber sheet layer and the porous foamed plastic layer may be alternatingly formed in duplicate or more.
Disclosed are a climbing shoes outsole with good adhesive and non-slip properties and a method for manufacturing the same. More specifically, the climbing shoes outsole comprises a butyl rubber layer formed at a side of the outsole in contact with the ground, and a general-purpose rubber layer laminated on the butyl rubber layer.
The present invention relates to a composition for preparing polyurethaneurea elastic fiber having excellent chlorine resistant property and uniformity, high durability against chlorine -containing water of a swimming pool and excellent quality as a cloth material after mixture -knitting with nylon, and a chlorine resistant polyurethaneurea elastic fiber prepared by using the same. More specifically, the present invention relates to a composition for preparing polyurethaneurea elastic fiber which is characterized in that it comprises 0.1~10% by weight of basic magnesium carbonate coated with 1-10% by weight of one or more substance (s) selected from C1-C30 fatty acids, fatty acid metal salts, fatty acid esters, fatty acid phosphoric esters, silica, silane, polyorganosiloxanes, and polyorganosiloxane/polyorganohydrogensiloxane mixtures via dry or wet process, and polyurethaneurea elastic fiber using the same.
D01F 6/70 - Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
