baber/WOPTO huggingface dataset:
Patent KR-20170091404-A (KR)
Title: Manufacturing method of heat insulator having multi-layer structure and heat insulating materials thereby
Inventor: LEE SUNG HWAN
IPC: B32B5/18
Filed: 2016-02-01
Abstract: The present invention relates to a method of manufacturing an insulation material having a multilayer structure and an insulation material manufactured by the same and, more specifically, relates to a method of manufacturing an insulation material having a multilayer structure capable of improving efficiency of using thermal energy by improving a performance of insulation of a building by being installed in a ceiling or an inner or an outer wall of the building; and an insulation material manufactured by the same. According to the present invention, an aluminum thin film is attached to an upper part and a lower part, and a first foamed Styrofoam interposed between the aluminum thin film. A cutting unit is formed to be alternate in a zigzag shape, and the first foamed Styrofoam is heated to form a solidified unit insulator. The unit insulation material is installed in a pair, and a second foamed Styrofoam is interposed between the pair of the unit insulation materials. The aluminum thin film is attached to an outermost layer; thereby the method of manufacturing the insulation material is able to improve the performance of insulating the building.
Patent KR-20170102587-A (KR)
Inventor: JEON SOO KUN
IPC: H01L33/02
Filed: 2016-02-12
Abstract: 본 개시는, 반도체 발광소자용 기판에 있어서, 복수의 도전층; 도전층 사이에 위치하는 절연층; 그리고, 절연층 및 복수의 도전층의 폭 방향으로 형성된 복수의 홈;으로서, 일정 간격으로 형성된 복수의 홈;을 포함하는 것을 특징으로 하는 반도체 발광소자용 기판에 관한 것이다.
Patent KR-20170098012-A (KR)
Inventor: HAN YOUNG HWAN
IPC: F03B13/18
Filed: 2016-02-19
Abstract: The present invention relates to a water flow power generation device. According to the present invention, the water flow power generation device comprises: a fixing plate enabling a flat plate of a predetermined thickness to be vertically erect and enabling a power generation module to be inserted into a module accommodation hole which a part of the vertical plate passes through while a fixing shaft formed on one end is axially fixed to the module accommodation hole; a buoyancy control unit controlling buoyancy in accordance with an air amount charged inside by being embedded in the plate of the upper part of the fixing plate; and a support unit preventing the fixing plate from being moved at a predetermined depth under water. The water flow power generation device can maximize power generation efficiency by being simply installed and enabling the power generation at a water depth of the most rapid flow velocity.
Patent KR-20160103527-A (KR)
Inventor: ROST JONATHAN
IPC: B21D53/88
Filed: 2016-02-22
Abstract: The present invention relates to a method for manufacturing a pendulum supporter (30) for a damping device (32) of a torque transmission device (36) comprising: a step of providing a metal plate (10); a step of cutting out a substantial shape of a crown (12) from the metal plate; a step of restoring an interior cut part of the crown (12) into a substantial shape of a disc (18) or a ring; a step of deforming the disc (18) or the ring, e.g., by stamping, to include a central recess (24) and a peripheral flange (26), which is a substantial plane offset with respect to the recess (24) in an axial direction; and a step of fixing the crown (12) to the flange (26). In addition, the present invention relates to a pendulum supporter obtained using the method and a damping device for a torque transmission device for a vehicle, including the pendulum supporter.
Patent KR-20170058228-A (KR)
Title: 임베디드 시스템을 위한 디버깅 방법 및 장치
Inventor: SHIN MU YONG
IPC: G06F11/36
Filed: 2016-02-26
Abstract: 타겟 장치의 동작 방법이 개시된다.  일 실시예는 호스트 장치로부터 데이터를 수신하고, 미리 정의된 사용자 함수를 실행하기 위한 명령어가 상기 데이터에 포함되어 있는지 확인하며, 상기 명령어가 상기 데이터에 포함된 경우, 상기 사용자 함수에 대응하는 번호 및 상기 사용자 함수의 인자(argument)를 상기 데이터에서 추출하고, 상기 번호 및 상기 인자를 이용하여 상기 사용자 함수를 호출하고, 상기 호출된 사용자 함수에 따라 동작하는 단계를 포함한다.
Patent KR-20170101670-A (KR)
Title: Quilling molding method of mulberry fibers Jewelry
Inventor: CHON YANG BAE
IPC: D06Q1/00
Filed: 2016-02-29
Abstract: The present invention relates to a method for molding a quilling of mulberry textile jewelry, and more particularly, to a method for molding a quilling of mulberry textile jewelry, which comprises the following steps: adding a mulberry textile into water to suspend the mulberry textile, and taking out the mulberry textile to produce a Dakjuk sheet (mulberry textile-based sheet) having a predetermined thickness; preparing a disc-shaped Dakjuk plate with the Dakjuk sheet; stacking the Dakjuk plate vertically in multi-stages, and molding a roll-shaped molded article; and drying the roll-shaped molded article and cutting the molded article. The method for molding a quilling of mulberry textile jewelry represents various pattern effects to further increase aesthetic sensibility, and expands market and increases sales by promoting fusion of traditional industry and textile fashion industry due to the jewelry using the mulberry textile.
Patent KR-20160110117-A (KR)
Inventor: KIMURA MASAKO
IPC: H04W12/08
Filed: 2016-03-02
Abstract: The present invention relates to a delivery system, a delivery method, and a delivery program, capable of providing information directly available without installing a management server. An information setting terminal (11) receives delivery information to be delivered to a delivery device (12), and transmits the delivery information to the delivery device (12). The delivery device (12) receives the transmitted delivery information, and memorizes the received delivery information. The delivery device (12) generates a plurality of pieces of divided information by dividing the memorized delivery information according to a delivery size. The delivery device (12) sequentially selects and delivers the plurality of divided information. A reception terminal (13) receives the plurality of divided information, and combines the plurality of divided information to generate the delivery information.
Patent KR-20160110181-A (KR)
Title: Ball valve
Inventor: NOMAGUCHI YOSHIO
IPC: F16K5/08
Filed: 2016-03-09
Abstract: To obtain, even in a non-turbulent state, a capacity coefficient substantially the same as in a turbulent state, the downstream end of a wall surface (71a) of a flow rate characteristic window (71) is the narrowest part in a flow channel (3) of a valve main body (4) and a through flow channel (7) of a ball valve body (5) and the wall surface (71a) of the flow channel between the narrowest part and the upstream end of the wall surface (71a) of the flow rate characteristic window (71) is formed as a tapered surface tapered toward the smallest diameter part so that the flow channel is widened suddenly from the narrowest part of the flow rate characteristic window (71) to the through flow channel (7).
Patent KR-20160111865-A (KR)
Inventor: CHOI JUNG SUN
IPC: B32B7/02
Filed: 2016-03-15
Abstract: Provided in the present invention is a cosmetic composition applicator comprising an impermeable layer. According to the present invention, an application layer of the cosmetic composition applicator absorbs a cosmetic composition, while an elastic layer blocks the cosmetic composition from being absorbed, thereby securing the durability from the moisture and continuously securing the freshness and the elasticity of the applicator. The application layer of the cosmetic composition applicator can improve a delivery rate to the skin by inhibiting the absorption of liquid contents to the inside of the cosmetic composition applicator.
Patent KR-20170111200-A (KR)
Inventor: LEE MYUNG JIN
IPC: D02G3/36
Filed: 2016-03-25
Abstract: 본 발명은 폴리에스테르 잠재권축필라멘트를 심사로, 폴리에스테르 풀덜사를 효과사로 사용하여 심사와 효과사의 공급속도차를 주어 스핀들을 통해 가연하여 심사의 주위로 효과사가 3회 반복하여 감도록 함으로써 굵은부위와 가는부위를 간헐적으로 반복형성하는 냉감성, 신축성이 우수한 린넨조 폴리에스테르 넵사의 제조방법에 관한 것이다.
Patent KR-20170112004-A (KR)
Inventor: YOO YANG MO
IPC: G01S15/89
Filed: 2016-03-30
Abstract: 본 발명에 따른 초음파 도플러 영상 장치의 제어 방법은, 한 세트를 이루는 기설정된 개수의 평면파를 순차적으로 반복하여 대상체로 송신하고, 상기 평면파가 상기 대상체에서 반사된 에코 신호를 수신하여 입사 프레임을 획득하는 단계; 상기 평면파에 대응되는 순차적인 입사 프레임 중 특정 시간 차이 간격으로 가변 개수의 입사 프레임을 합성하여 기설정된 개수의 앙상블(ensemble) 프레임을 생성하는 단계; 상기 앙상블 프레임에 후속하는 다음 앙상블 프레임을 생성하는 단계를 반복하는 단계; 및 상기 기설정된 개수의 앙상블 프레임을 이용하여 도플러 영상을 생성하고, 상기 생성된 도플러 영상을 디스플레이하는 단계;를 포함하고, 상기 특정 시간 차이 간격으로 가변 개수의 입사 프레임의 합성은 추정하고자 하는 혈류 속도에 기반하여 결정되고, 프레임 율의 저하와 측정 가능한 혈류 속도의 제한 없이 높은 해상도와 민감도를 가진 초음파 도플러 영상을 얻을 수 있다.
Patent KR-20170112784-A (KR)
Inventor: KIM TAEK SEONG
IPC: A01B33/08
Filed: 2016-04-01
Abstract: 본 발명은 트랙터 등 작업 차량의 변속 장치에 적용될 수 있는 유압 시스템에 관한 것으로서, 작업 차량의 변속 장치에서의 유압 시스템(10)으로서, 제1 클러치(140)를 포함하는 변속 장치의 일정 부분을 윤활하기 위한 오일을 공급하는 제1 펌프(110); 상기 제1 클러치(140) 및 제2 클러치(230)를 구동시키는 압력을 제공하기 위한 오일을 공급하는 제2 펌프(210); 및 상기 제2 펌프(210)와 상기 제2 클러치(230) 사이 유로의 압력이 미리 정해진 기준치를 초과하면 개방되어 상기 제2 펌프(210)에서 공급되는 오일의 일부를 소정의 경로로 공급하는 압력 제어 밸브(220)를 포함하여 구성되는 것을 특징으로 하는 유압 시스템(10)을 개시한다.
Patent KR-20170114520-A (KR)
Title: 흙막이 토류벽의 시공 방법
Inventor: NA JAE SUL
IPC: E02D5/14
Filed: 2016-04-05
Abstract: 본 발명은 흙막이 토류벽의 시공 방법에 관한 것으로, H-빔(110)을 가설치상태에서 H-빔(110) 사이에 전후로 전면플레이트(120)와 후면플레이트(120)를 설치하여 이중으로 차단하도록 하므로 원활하고 정확하게 설치할 수 있고, 각각의 전후면플레이트(120,130)를 다수개 연접하여 절곡상태로 가능하도록 하여 운반 및 보관은 물론 설치 및 철거가 용이하도록 할 뿐만 아니라 지지너트(133)에 간격유지볼트(134)를 나사 결합하여 간격유지볼트(134)의 전단이 전면플레이트(120)를 가압하여 전면플레이트(120)와 후면플레이트(130)가 일정한 간격을 유지하면서 H-빔(110)에 양단을 지지하므로 이중으로 충격에너지를 흡수하여 안전사고의 발생을 억제하고 효율적으로 침입하는 암석이나 토사를 차단할 수 있는 것으로, 토류벽을 신속하고 간편하게 설치하여 작업시간을 최소화하므로 인력소비를 줄일 수 있고 이중으로 설치하여 견고한 지지력을 확보할 수 있으며 장기간 재사용이 가능하도록 하고 설치비 및 유지 보수비를 절감할 수 있도록 하는 것이다.
Patent KR-20170116896-A (KR)
Title: 비상 유도 장치 및 이를 포함하는 비상 유도 시스템
Inventor: MIN DEUK KI
IPC: H05B37/02
Filed: 2016-04-12
Abstract: 본 발명의 일 실시예에 따라 비상 유도 장치가 개시된다. 상기 비상 유도 장치는 적어도 하나의 환기용 팬(fan)의 구동 신호를 수신하는 통신부; 및 상이한 대피 경로에 관한 정보를 지시하는 제 1 방향 표시부 및 제 2 방향 표시부를 포함하는 표시부를 포함하고, 상기 표시부는 상기 구동 신호에 따라 상기 제 1 방향 표시부 및 상기 제 2 방향 표시부를 선택적으로 점등할 수 있다.
Patent KR-20170118423-A (KR)
Title: 양돈장 시설구조
Inventor: LEE SEUNG HEE
IPC: A01K1/02
Filed: 2016-04-15
Abstract: 본 발명은 돼지, 염소 등과 같은 가축을 키울 수 있도록 이루어진 양돈장의 시설구조에 관한 것이다. 
이러한 본 발명인 양돈장 시설구조는 일정한 간격으로 직립되게 설치되는 복수개의 지주와, 상기 지주에 상부에 설치되는 다수의 지지보와, 상기 지지보 상에 배치되는 다수의 바닥패널을 포함하여 이루어지는 양돈장 시설구조에 있어서, 상기 지주는 합성수지재로 형성되되, 볼트를 이용하여 바닥에 고정할 수 있도록 하는 지주 지지부와, 다수의 보강리브를 가지는 지주몸체의 상단에는 지지보를 고정하기 위한 다수의 고정돌기를 포함하고, 상기 지지보는 강관으로 이루어지는 심보관과, 상기 심보관의 외측에 합성수지재로 코팅하여 형성되는 지지보 몸체와, 상기 지지보 몸체의 양단에 형성되는 고정돌기가 삽입되는 고정홈을 포함하고, 상기 고정돌기가 형성된 지주 상단부에 지지보의 일측단을 고정하기 위한 합성수지 접착부재와; 상기 소정의 간격으로 설치되는 다수의 지지보 상에 배치되는 이물질 배출을 위한 다수의 장홀을 구비하는 바닥패널을 포함하도록 이루어진다.
Patent KR-20170127079-A (KR)
Inventor: KIM HWAL
IPC: H02S40/38
Filed: 2016-04-25
Abstract: The purpose of the present invention is to provide an apparatus and a method for controlling charge and ventilation of a vehicle using a solar cell sunroof, charging electricity generated in a sunroof provided with a solar cell in a battery of a vehicle and controlling an operation of an air conditioner by determining a parking state of a vehicle. The apparatus for controlling charge and ventilation of a vehicle using a solar cell sunroof comprises: a photovoltaic power generation unit for performing photovoltaic power generation; a control unit for detecting a driving state of a vehicle, and controlling electricity generated in the photovoltaic power generation unit to be charged in a vehicle battery or controlling a temperature inside the vehicle to be varied depending on a driving or parking state; a parking state determination unit for acquiring driving information of the vehicle and outputting the same to the control unit; an ESS power detection unit for detecting information on power generated in the photovoltaic power generation unit to transmit the same to the control unit, and controlling electricity generated in the photovoltaic power generation unit to be charged in the vehicle battery according to an operation of the control unit; a vehicle battery for supplying electricity to the vehicle, and selectively charged with the electricity generated in the photovoltaic power generation unit; a temperature sensor unit for detecting a temperature inside the vehicle to output the same to the control unit; an air conditioner for controlling the temperature inside the vehicle according to an operation of the control unit; and a ventilation window opened and closed according to an operation of the control unit.
Patent KR-20160128236-A (KR)
Inventor: KOH YOUNG HAG
IPC: A61C8/00
Filed: 2016-04-27
Abstract: The present invention relates to a producing method of porous metal implant having a customized shape and a pore structure, using a 3D printing technology, comprising the following steps of: designing customized porous metal implant; producing a customized porous polymer mold by using a 3D printer; preparing metal powder slurry by mixing metal powder, a binder, a dispersing agent, and a solvent; casting the slurry and drying the same; selectively removing the polymer mold by using an organic solvent; and condensing the customized porous metal implant through a heat treatment at a high temperature. The present invention enables to reduce producing costs, to precisely control the pore structure of the porous metal implant, and to secure excellent mechanical and physical properties. Also, it is possible to induce an excellent bone regeneration effect of the porous metal implant, and to produce customized porous metal implant.
Patent KR-20170123876-A (KR)
Inventor: KWON OH EUN
IPC: F02D41/06
Filed: 2016-04-29
Abstract: The present invention relates to a method and an apparatus for forcibly inducing a driver for a vehicle. According to an embodiment of the present invention, the method for forcibly inducing a driver for a vehicle comprises: a step of calculating a first travelable distance of the vehicle under an assumption that a fuel tank is full of fuel based on an average fuel consumption amount of the vehicle; a step of calculating a second travelable distance of the vehicle at a level of residual area based on a level of urea in a urea tank; and a step of controlling a display device to display the second travelable distance when the first travelable distance is equal to or greater than the second travelable distance. Thus, provided are the method and the apparatus for forcibly inducing a driver to inject urea when urea in the urea tank is insufficient.
Patent KR-20170127742-A (KR)
Inventor: KANG UN BYOUNG
IPC: H01L21/768
Filed: 2016-05-12
Abstract: A method of manufacturing an interposer is provided. The method includes a step of providing a carrier substrate; a step of forming a unit re-wiring layer including a conductor via plug and a conductor rewiring line on the carrier substrate; and a step of removing the carrier substrate from the unit rewiring layer. Using the present invention, no undercut is formed in the lower portion of a conductor structure, and bubbles are not interposed between adjacent conductor structures, thereby increasing the reliability of a device and facilitating accurate patterning.
Patent KR-20170133746-A (KR)
Inventor: PARK SUN WOO
IPC: H05B33/14
Filed: 2016-05-26
Abstract: Provided is a light emitting device which can prevent an electrode pad from being damaged, and can reduce the thickness of a chip. According to an embodiment of the present invention, the light emitting device comprises: a light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer arranged between the first and second conductive semiconductor layers; an insulating layer arranged under the second conductive semiconductor layer; first and second electrode pads arranged by separating from each other under the insulating layer; a first electrode passing through the light emitting structure and the insulating layer, and connected to the first electrode pad; and a passivation layer arranged between the first electrode and the light emitting structure. The first electrode is in contact with the first conductive semiconductor layer by passing through the passivation layer.
Patent KR-20160140507-A (KR)
Inventor: KIM JI HYUN
IPC: H01M10/0525
Filed: 2016-05-27
Abstract: The present invention relates to a lithium secondary battery including an electrode assembly, ensuring compact volume while reducing resistance and heat emission of cells when at least two cells, using the electrode collector having gradually varying thickness, are stacked. According to the present invention, it is possible to resolve an issue associated with an increase in resistance and heat emission, and an unnecessary increase in the volume of the lithium secondary battery can be avoided as well.
Patent KR-20170135160-A (KR)
Inventor: JE HYUN JOO
IPC: H01M4/02
Filed: 2016-05-30
Abstract: The present disclosure relates to a positive electrode for a lithium secondary battery and to a lithium secondary battery including the same, wherein the positive electrode for a lithium secondary battery includes a current collector, and a positive electrode active material disposed on at least one surface of the current collector, wherein the positive electrode active material includes a small-particle-diameter active material having an average particle diameter (D50) of 2 to 4 m and a first coating layer located on the surface, and a second coating layer having an average particle diameter (D50) of 17 to 21 m and located on the surface. One embodiment of the present invention is to provide a positive electrode for a lithium secondary battery having a high material density.
Patent KR-20170004850-A (KR)
Inventor: STAMPALIA Anthony Kresimir
IPC: H03F1/56
Filed: 2016-06-08
Abstract: A high-power-efficiency neutralization signal amplifier used for an ultra low power narrowband receiver. The neutralization signal amplifier includes an impedance conversion element coupled to an amplifier input part and having a differential output part; a gain cell having a differential input part coupled to the differential output of the impedance conversion element and a differential output part coupled to an amplifier output part; and a neutralization element coupled to the differential output part of the gain cell and cross-coupled to the differential output part of the impedance conversion element. The neutralization element is coupled to the differential output part of the impedance conversion element so that the input impedance of the neutralization signal amplifier is substantially determined by the reflection resistance parasitic of the impedance conversion element.
Patent KR-20170142701-A (KR)
Inventor: KIM GWANG JIN
IPC: A61B5/00
Filed: 2016-06-20
Abstract: The present invention relates to a smart band-shaped thermometer capable of measuring and monitoring body temperature. The present invention includes: a band part (100) having a predetermined width to surround an arm of a user; and a terminal part (200) connected with the band part (100). The band part (100) includes: a first temperature sensor (110) installed on the inner surface of the band part (100) at a distance from the terminal part (200) to make contact with the surface of the arm of the user; and a length control part (120) installed at both ends of the band part (100) considering the thickness of the arm of the user. The terminal part (200) includes: a display (210) displaying temperature measured by the first temperature sensor (110); a memory device (220) accumulating and storing the measured temperature data; a control part (230) outputting a warning signal if the temperature, measured by the first temperature sensor (110), is lower or higher than a reference temperature which is within a normal range set based on an average value derived from the accumulated temperature data; and a warning unit (240) reporting a warning situation acoustically or visually in accordance with the signal outputted from the control part (230). As such, the smart band-shaped thermometer is able to be tailored to each user of which body parts have different thicknesses, and thus, the thermometer is capable of more precisely measuring body temperature, and moreover, as an uncomfortable feeling, caused by contact between the thermometer and the skin of the user, is minimized and a wearing sensation is maximized, so continuous temperature measurement is enabled.
Patent KR-20180002975-A (KR)
Inventor: CHOI IL YOON
IPC: B61F5/52
Filed: 2016-06-29
Abstract: Disclosed is a frame device for a train. The frame device for a train of the present invention comprises: one pair of side surface beams disposed along a rail direction; a connecting member connecting the pair of side surface beams and formed in an elastic material; a mounting bracket spaced from the connecting member and fixed with a mounting device; and a first connecting portion for connecting the mounting bracket and the connecting member. An object of the present invention is to improve fastening force between the members.
Patent KR-20180005417-A (KR)
Inventor: JANG JONG HWAN
IPC: H04M1/04
Filed: 2016-07-06
Abstract: Provided is a ceiling-mounted type portable terminal holder. The ceiling-mounted type portable terminal holder comprises: an attachment part detachably attached to the ceiling; a grip part by which the portable terminal is gripped; and a length adjusting part having a predetermined length and connecting the attachment part and the grip part, wherein the length varies by external force.
Patent KR-20180006043-A (KR)
Title: 산양산삼의 새싹 재배방법
Inventor: PARK MOO YONG
IPC: A01C1/02
Filed: 2016-07-08
Abstract: 종래의 장뇌삼은 단순히 산삼씨를 채취하여 사람의 손에 의하여 인위적으로 재배장소를 선정한 후 선정된 장소에서 일정한 시간이 경과한 후 시장에 출하되고 있는 실정이다. 
또한 산양삼은 생육조건이 까다롭고 재배하기가 어려우며 최소 2년 이상을 재배해야 7년생 산양삼을 생산할 수 있고 사람의 손에 의하여 채취되어 성장하는 과정에서 저항성이 결핍되고 병충해에 취약하기 때문에 산양삼(인삼)의 재배 경우 농약을 많이 살포하거나 비료를 많이 주어 재배하는 경우가 있어 산양 산삼(인삼)의 약효에 대하여 신뢰하지 못하고 있는 실정이다. 
또한 종래의 산양삼은 인위적으로 재배되며 농약 및 비료를 많이 주기 때문에 약효를 정확히 믿을 수 없으며 시중에서 제값을 받지 못하고 간혹 모르는 사람들에게 터무니없는 가격으로 판매되고 있는 실정이다. 현재 전국적으로 분포되어 있는 산삼을 거의 다 채취해버렸기 때문에 산삼의 존재를 찾아보기 어려운 현실이다. 
이에 산양삼(인삼)의 묘삼으로 싹을 키워 산양새싹삼(새싹삼)을 가정에서 소비자가 직접 재배 후 섭취하여 산양삼(인삼)에 대한 신뢰도를 향상하여 산양삼(인삼)의 소비을 촉진하여 국민건강 증진에 목적이 있습니다. 
본 발명의 방법에 따르면 가정에서 주부 ,여가생활자 병자 등이 손쉽게 산양새싹삼(새싹삼)을 재배하여 단기간에 싹을 키워서 산양 새싹삼을 재배후 섭취가 가능 합니다.
Patent KR-20180009161-A (KR)
Inventor: KIM HYOUNG WOO
IPC: A47J27/08
Filed: 2016-07-18
Abstract: The present invention relates to an inner pot lid for an electric pressure cooker, which has a structure that comes in close contact with an inner pot by an operation of a locking lever. In particular, a packing comprises: a packing body which is inserted in a groove formed on the inner pot lid; a packing outer flange which is outwardly extended from one side of a lower end of the packing body; an upward protrusion which is upwardly protruded from one end of the packing outer flange; a downward protrusion which is downwardly protruded from one end of the packing outer flange; and a first curved part which is connected to the other end of the downward protrusion, wherein a shape of the packing is deformed upon being pressed by locking of a main body lid, and as sealing strength is enhanced due to the deformed shape, an inner space of the inner pot is completely sealed.