baber/WOPTO huggingface dataset:
Patent KR-20190127895-A (KR)
Title: 불연성 준고체 전해질 및 이를 함유한 리튬 이차 배터리
Inventor: PAN BAOFEI
IPC: H01M10/0568
Filed: 2017-06-20
Abstract: 캐소드, 애노드, 전해질이 0.01 kPa 미만의 증기압, 액체 용매 단독의 증기압의 60% 미만의 증기압, 액체 용매 단독의 인화점 보다 적어도 섭씨 20도 더 높은 인화점, 150℃보다 더 높은 인화점을 나타내거나 인화점을 나타내지 않도록 1.5 M 내지 5.0 M의 염 농도를 갖는 액체 첨가제와 액체 용매의 혼합물에 용해된 리튬 염을 함유한 불연성 준고체 전해질을 포함하며, 액체 첨가제가 하이드로플루오로 에테르(HFE), 트리플루오로 프로필렌 카보네이트(FPC), 메틸 노나플루오로부틸 에테르(MFE), 플루오로에틸렌 카보네이트(FEC), 트리스(트리메틸실릴)포스파이트(TTSPi), 트리알릴 포스페이트(TAP), 에틸렌 설페이트(DTD), 1,3-프로판 설톤(PS), 프로펜 설톤(PES), 디에틸 카보네이트(DEC), 알킬실록산(Si-O), 알킬실란(Si-C), 액체 올리고머 실락산(-Si-O-Si-), 테트라에틸렌 글리콜 디메틸에테르(TEGDME), 또는 이들의 조합으로부터 선택되는, 충전식 리튬 전지.
Patent KR-20190139895-A (KR)
Title: 패킷 데이터 컨버지 프로토콜 프로토콜 데이터 유닛 전처리
Inventor: LOEHR JOACHIM
IPC: H04W72/14
Filed: 2018-04-26
Abstract: PDCP(Packet Data Converge Protocol)(315) 프로토콜 데이터 유닛들(PDU)(250)을 전처리하기 위해, 방법은 참조 업링크 그랜트(275)의 구성을 수신한다.  참조 업링크 그랜트(275)의 구성을 수신하는 것에 응답하여, 방법은 하나 이상의 무선 베어러(305) 각각에 대한 무선 링크 제어(RLC)/매체 액세스 제어(MAC)(325)에 의한 전처리를 위한 PDU(250)의 전처리 임계치를 계산한다.
Patent KR-20190139900-A (KR)
Title: 수소 생산을 위한 공정
Inventor: TANBERK OLGUN
IPC: C25B1/02
Filed: 2017-12-15
Abstract: 본 발명은 개선된 전해 공정에 의한 수소의 제조 방법; 이러한 공정에 적합화된 전해 전지 (전해조) 및 이러한 전해 전지를 포함하는 장치에 관한 것이다.  추가로 본 발명은, 특히 전해질로서의 수성 히드라진의 신규한 용도에 관한 것이다.
Patent KR-20190139252-A (KR)
Title: 오더 피킹 시스템
Inventor: MOULIN ROMAIN
IPC: B65G1/04
Filed: 2018-04-09
Abstract: 오더-피킹 시스템(12)은 적어도 하나의 랙(100)으로부터 아이템들을 오더-픽(order-pick)하도록 의도되는 셀프-안내식 캐리지(103)를 포함하며, 이 셀프-안내식 캐리지는 적어도 2개의 롤링 휠들(202) 및 캐리지가 포스트들을 따라 위로 이동하는 것을 허용하도록 포스트들(105)의 2개의 쌍들과 상호작용할 수 있는 기어휠 캐리어들(214)에 의해 형성되는 모터구동식 클라이밍 수단(204)을 갖는다.  롤러 체인(500)은 포스트들 각각에 부착되고, 그리고 롤러 체인이 부착되고 그리고 롤러 체인이 부착된 포스트와 협동하는 기어휠을 수용하도록 의도되는 포스트의 길이 방향 축에 대해 평행하게 연장하며, 그리고 각각의 가동 지지부는 기어휠의 축과 체인 사이의 미리 정해진 거리를 유지하기 위해 상기 4개의 포스트들 중 하나에 강성적으로 연결하기(402, 403, 404) 위한 수단을 갖는다.
Patent KR-20190138680-A (KR)
Title: 미세 버블 발생장치
Inventor: HWANG JAE KOO
IPC: B01F3/04
Filed: 2017-10-25
Abstract: 본 발명은 미세 버블 발생장치에 관한 것으로, 미세 버블 발생장치는 공기 기포가 함유된 물을 유입받는 탱크;를 포함하며, 상기 탱크는, 하단에 배출관을 구비한 케이스; 상기 공기 기포가 함유된 물이 유입되고, 상부가 개방되고 오버플로어 홀이 형성된 지지수단을 통해 상기 케이스 내벽과 소정 간격을 두도록 상기 케이스 내부에 삽입되는 버블조; 및 상기 지지수단에 장착되며, 상기 버블조에서 넘친 물을 분리 및 혼합하여 버블을 분쇄하여 상기 오버플로어 홀을 통하여 배출관으로 배출하는 다수의 관통홀 및 상기 공기 기포가 함유된 물을 통과시켜 상기 버블조로 유입시키는 유입홀이 형성된 버블 분쇄 플레이트;를 포함한다.
Patent KR-20190133070-A (KR)
Inventor: ISHIHARA TAKEO
IPC: C12C12/00
Filed: 2016-09-14
Abstract: 목 넘김이 샤프한 맥주 맛 음료, 맥주 맛 음료의 제조 방법 및 맥주 맛 음료의 목 넘김 개선방법을 제공하는 것을 과제로 한다. 본 발명에 따른 맥주 맛 음료는, L*a*b*표색계의 a*값이 1.0 이상이고, 쓴맛 값이 25 이상이다. 본 발명에 따른 맥주 맛 음료의 제조 방법은 L*a*b*표색계의 a*값이 1.0 이상이 되고, 쓴맛 값이 25 이상이 되도록 제조한다. 본 발명에 따른 맥주 맛 음료의 목 넘김 개선방법은, 맥주 맛 음료의 목 넘김 개선방법으로서, 상기 맥주 맛 음료에 대해, L*a*b*표색계의 a*값이 1.0 이상이 되고, 쓴맛 값이 25 이상이 되도록 조제한다.
Patent KR-20200006090-A (KR)
Title: 전자 팽창 밸브, 열 관리 조립체, 냉각 시스템, 및 전자 팽창 밸브의 제조 방법
Inventor: ZHANG RONGRONG
IPC: F16K11/044
Filed: 2018-03-16
Abstract: 전자 팽창 밸브, 전자 팽창 밸브의 제조 방법, 열 관리 조립체, 및 냉각 시스템을 개시한다. 전자 팽창 밸브는 밸브 코어 조립체(4), 전자 제어부(1), 및 고정자 조립체(2)를 포함한다. 밸브 코어 조립체(4)는 밸브 베이스(41), 밸브 코어(42), 및 회전자 조립체(43)를 포함하고, 밸브 베이스(41)는 밸브 포트(44)와 함께 형성되고, 밸브 코어(42)는 밸브 포트(44)의 개방의 정도를 변경하도록 밸브 베이스(41)에 대하여 이동한다. 전자 제어부(1)는 고정자 조립체(2)를 제어하고, 회전자 조립체(43)는 밸브 코어(42)를 구동하여 이동시킨다. 전자 팽창 밸브는 센서(5)를 더 포함하고, 전자 제어부(1)는 전자 제어판(102)을 포함하고, 고정자 조립체(2)와 센서(5) 모두는 전자 제어판(102)에 전기적으로 직접 연결된다. 열 관리 조립체와 냉각 시스템 모두는, 조립하기 편리한 상술한 전자 팽창 밸브를 포함한다.
Patent KR-20190142424-A (KR)
Inventor: LI FENG
IPC: C12N5/00
Filed: 2010-12-03
Abstract: 본 발명은 거핵구 및 혈소판의 생성 방법을 제공한다. 다양한 구현예에서, 상기 방법은 혈청 및 기질 없는 조건 하에서 거핵구 및 혈소판으로의 분화를 위한 인간 배아줄기세포 유래된 혈액모세포의 용도를 포함한다. 이 시스템에서, hESC는 배상체 형성 및 혈액모세포 분화를 통한 거핵구에 관한 것이다. 혈소판 수혈이 필요한 대상체의 치료 방법이 또한 제공된다.
Patent KR-20200008594-A (KR)
Title: 다층 김서림-방지 구성물 및 이의 제조 방법
Inventor: PARKER KEVIN
IPC: C08K5/521
Filed: 2018-05-15
Abstract: 본 발명은 김서림-방지층 및 보호층을 포함하는 다층 김서림-방지 구성물에 관한 것으로서, 김서림-방지층은 셀룰로오스 아세테이트 및 가소제를 포함하고, 대향하는 주 평면 표면을 갖는다. 보호층은, 다층 구조물을 형성하는 김서림-방지층에 대해 적어도 부분적으로 실질적으로 공면으로 구성되는 대향하는 주 평면 표면을 갖는다. 다층 김서림-방지 구성물은 하나 이상의 커넥터를 추가로 포함하고, 커넥터 중 하나 이상은 다층 구조물을 통해 연장된다.
Patent KR-20210088154-A (KR)
Title: Gas heat-pump
Inventor: JIN ZHEQUAN
IPC: F25B30/06
Filed: 2020-01-06
Abstract: The present invention relates to a gas heat pump, which comprises a compressor, an air conditioning module and an engine module. The air conditioning module includes a supercooling unit for supercooling a refrigerant by absorbing waste heat of the engine during cooling operation. Accordingly, energy efficiency can be improved during cooling.
Patent KR-20210090428-A (KR)
Title: Aligner for multi-prober system and multi-prober system having the same
Inventor: JANG HEE SUN
IPC: G01R31/28
Filed: 2020-01-10
Abstract: According to an embodiment of the present invention, an aligner for a multi prober system relates to an aligner for a multiprobe system, which aligns and couples a chuck assembly on which a wafer is mounted and a probe card assembly on which a probe is formed to inspect the wafer. The aligner includes: an alignment chuck for aligning the wafer and the probe; and a vertical transfer part connected to the align chuck and formed to elevate the alignment chuck. Accordingly, the test accuracy and stability of the wafer can be improved.
Patent KR-20200087717-A (KR)
Title: Compound and organic light emitting device comprising the same
Inventor: KANG KYUNGJUN
IPC: H01L51/00
Filed: 2020-01-10
Abstract: The present specification provides a compound represented by chemical formula 1 and an organic light emitting device comprising the same. When the compound is used to manufacture an organic light emitting device, the organic light emitting device can have high efficiency and low voltage characteristics.
Patent KR-20210090915-A (KR)
Title: Electric Hydraulic Brake Device Using Suspension Device and Braking Method for the Same
Inventor: YOO JI HO
IPC: B60T8/32
Filed: 2020-01-13
Abstract: An embodiment of the present invention provides an electric hydraulic brake apparatus comprising: a braking unit including a plurality of wheel brake mechanisms configured to provide braking force to wheels of a vehicle according to hydraulic pressure of a supplied brake oil, a brake driving unit configured to adjust the hydraulic pressure of the brake oil according to a brake control signal, and a brake hydraulic circuit valve device configured to supply the hydraulic pressure of the brake oil adjusted by the brake driving unit to the wheel brake mechanisms according to a brake valve control signal; a suspension unit configured to control an active suspension by adjusting the hydraulic pressure of a suspension oil; and a redundancy valve device configured to transmit the hydraulic pressure of the suspension oil of the suspension unit to the braking hydraulic circuit valve device based on a redundancy valve control signal (RVCS), wherein the braking hydraulic circuit valve device is configured to supply the hydraulic pressure of the suspension oil, transmitted from the suspension unit, to the wheel brake mechanisms. The present invention can save manufacturing costs and increase system efficiency.
Patent KR-20200015634-A (KR)
Inventor: KIM DONG HWON
IPC: A63F3/00
Filed: 2020-01-14
Abstract: The present invention relates to a rock paper scissors game. Particularly, the present invention provides a rock paper scissors game, played using twelve signboards, twelve cards and eight number cards, wherein the twelve signboards each of which has one side for indicating a rock, a paper or a scissors value and the other side with the same shape and color not to be discriminated from one another are provided, the twelve cards on each of which a rock, a paper or a scissors sign is expressed are provided and the eight number cards which are expressed with 0 to 4 for noticing an inference result of win, draw and lose are provided. A method for playing the game comprises the steps of: a rock paper scissors selector selecting and arranging four signboards desired by a player, on each of which a rock, a paper or a scissors value is expressed such that the other side cannot identify the value; the other side, who makes an inference, selecting cards on each of which a value for win is expressed with respect to the rock, the paper, or the scissors value thought to be on a corresponding signboard and arranging the selected card in front of the signboard; comparing the rock, the paper or the scissors value on the arranged signboard with the rock, the paper or the scissors value of the card arranged by the other side who makes an inference to calculate and display the number of wins, draws and loses; repeating the inference process as many as the predetermined number of times to let the other side repeat inferring values for wins with respect to all of the cards; if a player infers values for wins with respect to all of the cards within the predefined number of times, the inferring player is determined to win the game; and if the player does not infer values for wins with respect to all of the cards within the predefined number of times, the inferring player is determined to lose the game.
Patent KR-20210093555-A (KR)
Title: Acupressing device with adjustable position of acupressure member
Inventor: CHOI JOONG KI
IPC: A61H39/04
Filed: 2020-01-20
Abstract: The present invention relates to an acupressure device capable of adjusting the position of an acupressure member, which includes a plurality of through-holes in an upper surface of a body part, and allows the acupressure member to be selectively inserted into the through-holes so as to allow a user to adjust a part to perform acupressure in various ways according to the user's body and the part to perform acupressure. The acupressure device of the present invention comprises: the body part (20) which is made in a box shape, and has an open lower part, an inner space (21), and a plurality of through-holes (22) formed in the inner space (21) from an upper surface thereof; a bottom plate (30) which is formed to cover the open lower part of the body part (20); a fixing plate (40) which is positioned in the inner space (21) of the body part (20); and the acupressure member (50) which is located on the upper surface of the body part (20), penetrates the through-holes (22) of the body part (20) to be fixed to the fixing plate (40), and comes in contact with the user's body for performing acupressure.
Patent KR-20210097273-A (KR)
Title: Substrate transporting head and substrate cutting apparatus
Inventor: SUNG HO YOUNG
IPC: H01L21/683
Filed: 2020-01-29
Abstract: A substrate transporting head according to an embodiment of the present invention includes: an adsorption member configured to adsorb a unit substrate separated from a mother substrate; and a single material pressing module configured to press a single material positioned around the unit substrate. The single material pressing module may be configured to press a single material in an inclined direction from the center of the unit substrate toward the single material. An object of the present invention to provide a substrate transporting head for preventing the edge portion of a unit substrate from being damaged due to interference between the edge portion and the single material of the unit substrate, and a substrate cutting apparatus including the same.
Patent KR-20210099707-A (KR)
Title: Light emitting device
Inventor: SYN HO JUNG
IPC: H01L51/50
Filed: 2020-02-04
Abstract: Disclosed are a light emitting device with increased quantum efficiency by an optical method, which includes a layer having an oxide of an inorganic compound and the like. The light emitting device includes: a first electrode; a second electrode facing the first electrode; and an intermediate layer disposed between the first electrode and the second electrode and including a light emitting layer. The intermediate layer includes: a layer (A) having an oxide of an inorganic compound; a layer (B) adjacent to the upper part of the layer having an oxide of an inorganic compound; and a layer (C) adjacent to the lower part of the layer having an oxide of an inorganic compound.
Patent KR-20210099794-A (KR)
Title: System of controlling an ingot grower and controlling method thereof
Inventor: PARK HYUN WOO
IPC: C30B15/20
Filed: 2020-02-05
Abstract: A control system of an ingot growing apparatus includes a plurality of ingot growing apparatuses, a plurality of control apparatuses for controlling each of the plurality of ingot growing apparatuses, and a server. The server learns an artificial neural network based on a pre-selected model to obtain first feedforward information corresponding to the first control force information of the ingot growing apparatus controlled by the one control apparatus received from the one control apparatus among the plurality of control apparatuses.
Patent KR-20210103665-A (KR)
Inventor: PARK JUNG IL
IPC: G02B5/04
Filed: 2020-02-14
Abstract: An apparatus for forming a light blocking film according to one embodiment of the present invention is an apparatus for partially forming a light blocking film on one surface of a prism. The apparatus comprises: a stage; a prism jig disposed on the stage and arranging the prisms; a dispenser comprising a light blocking material; and a holder for moving the dispenser in horizontal and vertical directions relative to the prism jig. An objective of the present invention is to provide the apparatus for forming a light blocking film to partially form a light blocking film on the same surface of the prism.
Patent KR-20210110952-A (KR)
Title: The blade of a knife for plant cutter use sickle performance property
Inventor: HEO KWON GU
IPC: A01D34/73
Filed: 2020-03-02
Abstract: The present invention relates to a blade for a mower using the working principle of a sickle. A sickle-shaped curved blade that enables a blade rotating at high speed by received power to instantaneously collect grass or a thicket and cut the grass or thicket with the blade formed along an inner curve together with a straight blade just as a sickle cuts the grass or thicket, thereby removing the grass and thicket. A blade body is formed by using a straight plate body that is wide in the middle and narrow toward both sides, and the blade body has an assembly hole at a central portion for coupling a mower. Multiple straight blades are formed symmetrically on the left and right sides of the blade body in a direction in which the blade body rotates, and multiple sickle-shaped curved blades are formed at intervals on the straight blades in the direction in which the blade body rotates. The blade body also has multiple through-holes for buoyancy to vertically penetrate surfaces of both sides of the assembly hole.
Patent KR-20210111477-A (KR)
Title: Zinc oxide-boron nitride nanotube composite material film and preparation method thereof
Inventor: SON DONG ICK
IPC: H01L41/187
Filed: 2020-03-03
Abstract: According to one aspect of the present invention, a zinc oxide-boron nitride nanotube composite material film is provided as a composite film exhibiting piezoelectric properties according to the application of voltage. It includes a binder and zinc oxide-boron nitride nanotubes (ZnO-BNNT). The binder is bacterial cellulose (BC).
Patent KR-20210111930-A (KR)
Title: High voltage all solid lithium secondary battery comprising sulfide solid electrolyte- based cathode and method of preparing same
Inventor: KIM HO SUNG
IPC: H01M4/131
Filed: 2020-03-03
Abstract: The present invention relates to a high-voltage all-solid-state lithium secondary battery including a sulfide solid electrolyte-based positive electrode and a manufacturing method thereof. According to the present invention, an all-solid-state lithium secondary battery comprises: a positive electrode including a positive active material, a sulfide-based solid electrolyte, and a first binder; a solid electrolyte layer disposed on the positive electrode and including an oxide-based solid electrolyte and a second binder; and a negative electrode disposed on the solid electrolyte layer and including a negative electrode active material. Accordingly, the all-solid-state lithium secondary battery includes the sulfide-based solid electrolyte in the positive electrode and includes the oxide-based solid electrolyte in the solid electrolyte layer, thereby providing an effect of being stable even at high voltage even if a charging voltage increases and realizing high capacity and high voltage. In addition, a plasticizer is included in the solid electrolyte layer, thereby providing an effect of lowering an operation temperature of the all-solid-state lithium secondary battery.
Patent KR-20210111995-A (KR)
Title: Manufacturing method for konjak rice cake having sausage in center portion and konjak rice cake having sausage in center portion manufactured by the same
Inventor: PARK MIN HUN
IPC: A23L5/10
Filed: 2020-03-04
Abstract: The present invention relates to a method for manufacturing a sausage and rice cake with konjac and a sausage and rice cake with konjac manufactured thereby. The method for manufacturing a sausage and rice cake with konjac according to the present invention comprises: a rice cake ingredient preparing step of preparing ingredients to manufacture a rice cake for covering a sausage (S100); a rice soaking step of washing and soaking rice (S200); a rice flour manufacturing step of manufacturing rice flour by pulverizing the soaked rice (S300); a rice cake ingredient mixture manufacturing step of manufacturing a rice cake ingredient mixture by mixing salt, the konjac, sugar, purified water, and tapioca starch with the rice flour (S400); a rice cake ingredient mixture aging step of storing and aging the rice cake ingredient mixture (S500); a rice cake ingredient mixture steaming step of supplying steam to the aged rice cake ingredient mixture, heating the same with the steam, and steaming the same (S600); a rice cake ingredient mixture punching step of applying pressure to the steamed rice cake ingredient mixture and punching the same (S700); a sausage preparing step of coating a surface of the sausage with oil after preparing the sausage (S800); and a molding step of manufacturing the sausage and rice cake by allowing the punched rice cake ingredient mixture to cover the sausage on which the oil is coated (S900). The sausage and rice cake with konjac according to the present invention by the composition is provided to consist of a structure of covering the surface of the sausage with the rice cake, thereby allowing a consumer to eat the rice cake and the sausage at once and allowing the consumer to feel different tastes at the same time to satisfy a taste and preference at the same time.
Patent KR-20200028379-A (KR)
Title: Underwater health care bath for man having back pain
Inventor: O BYEONG SEON
IPC: A61H33/00
Filed: 2020-03-10
Abstract: The present invention relates to an underwater health care bathtub for a person with back pain, which comprises: a bathtub unit; a lumbar block placed on the bottom unit of the bathtub unit in a long shape in order to support the lumbar of a user; and a low-frequency stimulator outputting low-frequency current to water in the bathtub unit. The lumbar block comprises: a block base placed at a fixed height along the longitudinal direction of the bathtub unit from the center of the bottom unit of the bathtub unit; and a cushion unit placed in the upper part of the block base to function as a cushion. The low-frequency stimulator comprises: a stimulator main body equipped with a controller for controlling current, voltage, and frequency, the CPU and a pulse generator, and including a display window, an operation mode display unit, and an output intensity regulation unit; a pair of electrode pads composed of a pad unit which is manufactured by a conductive rubber material in a plate shape, an adsorption plate which is to be attached to the wall surface of the bathtub, and a connection fixture which is integrated with the pad unit at the edge of the pad unit in order to connect the pad unit to the main body; and a lead wire connecting the stimulator main body and the electrode pads. Therefore, the underwater health care bathtub for a person with back pain can provide user convenience for a person with waste and neck pain by allowing the person to lay his/her waist on the bottom of a bathtub to comfortably lay his/her trunk, and can reduce pain by stimulating an inconvenient body part with low-frequency stimulus.
Patent KR-20210115767-A (KR)
Title: Heat exchanger
Inventor: LEE YU HO
IPC: F28F17/00
Filed: 2020-03-16
Abstract: The present invention provides a heat exchanger comprising: a pair of header tanks disposed to face each other; a plurality of microtubes disposed between the header tanks and connected to the header tanks at both ends; and a spacer through which a microtube passes. A drain groove having at least one slope is disposed in the spacer. An objective of an embodiment of the present invention is to increase drainage of the heat exchanger.
Patent KR-20210116106-A (KR)
Title: Patterned transparent conductors comprising nanostructures and method of manufacturing the same
Inventor: CHOI DAE GUEN
IPC: H01B5/14
Filed: 2020-03-17
Abstract: The present invention provides a transparent conductor including a substrate, a nanopattern formed on a surface of the substrate, and a transparent conductive pattern on the substrate on which the nanopattern is formed, and a manufacturing method thereof. The present invention provides the transparent conductor having an increased surface area of the conductor by utilizing a nanostructure.
Patent KR-20210117564-A (KR)
Title: Wing knob for air vent
Inventor: YU KI SANG
IPC: B60H1/34
Filed: 2020-03-19
Abstract: The present invention relates to a wing knob for an air vent and, more specifically, to a wing knob for an air vent which can easily control an air direction by means of a vertical wing by reducing the area of the inner space of the vertical wing. The present invention comprises: a vertical wing (110) in which a support bar (120) is installed such that an inner space (111) is formed on the other side portion facing a discharge hole in the air vent (100); a clamp (130) having one side so as to surround both left and right side surfaces of the support bar (120) which is installed in the vertical wing (110) to form the inner space (111); a slider (140) having one side portion to which the other side portion of the clamp (130) is coupled to be able to rotate around a hinge groove (141a); a knob body (150) having a rear portion at which the other side portion of the slider (140) is installed; and a horizontal wing (160) passing the knob body (150) and installed to be able to rotate up and down.
Patent KR-20210117835-A (KR)
Title: Outsole for the right walk ·falling prevention and exercise performance improvement
Inventor: PARK MOON HWAN
IPC: A43B7/26
Filed: 2020-03-20
Abstract: The present invention relates to a shoe sole for gait proper gait, fall prevention, and improvement of athletic performance. Provided is a shoe sole for a proper gait, fall prevention, and improvement of athletic performance, in which a rear foot cushion part is integrally formed on a front foot cushion part by a midfoot cushion part. The front foot cushion part is provided with a front inner extension part extending outward from a portion where a big toe is located to a portion where the midfoot cushion part starts. A front outer extension part extends outward from a portion where a little toe is located to a portion wherein the midfoot cushion part starts. The rear foot cushion part is provided with a ⊃-shaped rear extension part extending outward from a portion where the heel is located to a portion where the midfoot cushion part ends. The midfoot cushion part has a shape in which an upper surface thereof is connected to an upper surface of the rear foot cushion part from an upper surface of the front foot cushion part, and a bottom surface of the midfoot cushion part is provided to have an arcuate shape. Accordingly, the present invention sufficiently holds and stably supports the user's weight, and causes the user's center of weight to be naturally distributed from the outside to the inside, thereby absorbing and relieving the impact force.