baber/WOPTO huggingface dataset:
Patent KR-20190108129-A (KR)
Title: 고강도 강판
Inventor: SUZUKI YUYA
IPC: C22C38/60
Filed: 2018-02-20
Abstract: 판 두께 중심부와, 당해 판 두께 중심부의 편측 또는 양측에 배치된 표층 연화부를 포함하는 인장 강도가 800MPa 이상인 고강도 강판이며, 각 표층 연화부가 10㎛ 초과로부터 판 두께의 30％ 이하의 두께를 갖고, 상기 표층 연화부의 평균 비커스 경도가 판 두께 1/2 위치의 평균 비커스 경도의 0.60배 초과 0.90배 이하이고, 상기 표층 연화부의 나노 경도의 표준 편차가 0.8 이하인 것을 특징으로 하는 고강도 강판이 제공된다.
Patent KR-20190112100-A (KR)
Title: 마그네슘 촉매를 사용하는 개환 중합에 의해 제조된 작용화된 폴리(프로필렌 푸마레이트) 중합체
Inventor: BECKER MATTHEW
IPC: C08G63/682
Filed: 2018-02-02
Abstract: 하나 이상의 구현예에서, 본 발명은 가능하게는 다수의 손쉬운 "클릭" 반응 중 하나를 통해 생체활성 물질 또는 다른 작용성 종에 중합후 개질을 위한 작용기가 첨가되도록 작용화된 폴리(프로필렌 푸마레이트) 중합체 및 이로부터 제조된 중합체 구조체 (및 관련 방법)에 관한 것이다. 일부 구현예에서, 말단기 작용화는 중합 과정에서 사용된 작용화된 개시 알코올을 통해 달성된다. 일부 구현예에서, 이들 폴리(프로필렌 푸마레이트) 중합체의 작용화는 산화프로필렌 단량체 전구체의 작용화를 통해 달성되고, 이는 이후 수득된 폴리(프로필렌 푸마레이트) 중합체 상에 작용화된 측쇄를 형성한다.
Patent KR-20190131022-A (KR)
Title: 키잉된 디바이스들에서의 데이터 스토리지에 대한 시스템들 및 방법들
Inventor: CHRISTMAS COY
IPC: B60R25/34
Filed: 2018-02-02
Abstract: 콘텐츠 저장 시스템은 차량 내의 잠금, 엔진 및 다른 제어 시스템들과 통합된다.  시스템은 프로세서, 프로세서와 전자 통신하는 저장 모듈, 및 무선 통신 모듈을 포함하는 휴대용 저장 디바이스를 포함한다.  무선 디바이스는 휴대용 저장 디바이스의 무선 통신 모듈과 전자 통신한다.  트랜스폰더는 와이어 상에서 신호를 송신하도록 구성된 차량에 설치된다.  무선 디바이스는 트랜스폰더로부터의 와이어 상의 신호를 검출하고 신호를 저장한다.  무선 디바이스는 휴대용 저장 디바이스로부터의 커맨드에 응답하여 와이어 상의 신호를 송신한다.
Patent KR-20190123273-A (KR)
Title: 표면 처리 조성물 및 그 제조 방법, 그리고 표면 처리 조성물을 사용한 표면 처리 방법 및 반도체 기판의 제조 방법
Inventor: ISHIDA YASUTO
IPC: C11D7/22
Filed: 2018-02-19
Abstract: 연마 완료 연마 대상물의 표면에 잔류하는 잔사를 충분히 제거하는 수단을 제공하는 것을 목적으로 한다.  술폰산(염)기, 인산(염)기, 포스폰산(염)기 및 아미노기로 이루어지는 군으로부터 선택되는 적어도 1종의 이온성 관능기를 갖는 고분자 화합물과, 물을 함유하고, pH가 7 미만이며, 상기 고분자 화합물은, pKa가 3 이하이고, 이온성 관능기 밀도가 10％ 초과인, 표면 처리 조성물이다.
Patent KR-20190126832-A (KR)
Title: 치료적 포유류 세포의 냉동-보존, -저장, -수송, 및 적용에 유용한 장치, 방법 및 조성물
Inventor: SILVERMAN LARA
IPC: A01N1/02
Filed: 2018-03-02
Abstract: 개시된 조성물, 방법 및 장치는 치료적 진핵 세포의 동결, 저장, 및 이를 필요로 하는 환자에 대한 투여에 유용하다.     많은 구현예에서, 개시된 치료적 세포는 인간 추간판 조직으로부터 유래된 포유류 세포이다.     개시된 조성물, 방법 및 장치는 치료적 세포의 높은 생존력 및 무균성을 유지할 수 있고, 세포가 세포의 조작 또는 제 2 용기로의 수송 없이, 동결 용기로부터 직접 환자에게 투여되는 것을 허용한다.
Patent KR-20190126376-A (KR)
Title: 냉간 가공 부품의 경도 추정 방법 및 강재의 경도-상당 소성 변형 곡선 취득 방법
Inventor: YAMAGATA MITSUHARU
IPC: G01N3/06
Filed: 2018-03-15
Abstract: 본 발명은, 시험편이 재치되는 재치대와, 시험편과 접촉하는 접촉면이 곡면인 펀치를 이용하여, 재치대에 재치된 시험편을 압축하여, 펀치의 접촉면의 형상에 대응한 형상의 오목부를 가지는 경도 측정용 시험편을 작성하고, 오목부에 있어서 판두께가 변화하는 방향을 측정 방향으로 하여, 측정 방향의 복수의 경도 측정 위치에 있어서 경도 측정용 시험편의 경도를 측정하고, 수치 해석에 의해 상당 소성 변형을 산출하고, 각 경도 측정 위치에 있어서의 경도와 상당 소성 변형에 의거하여, 경도-상당 소성 변형 곡선을 취득하여, 냉간 가공 부품의 상당 소성 변형의 값을 수치 해석에 의해 산출하고, 경도-상당 소성 변형 곡선에 의거하여, 산출된 냉간 가공 부품의 임의의 부위의 상당 소성 변형의 값으로부터 경도를 특정하는, 냉간 가공 부품의 경도 추정 방법을 제공한다.
Patent KR-20190127906-A (KR)
Title: 그룹 공통 pdcch 내의 슬롯 포맷 표시자(sfi) 및 슬롯 어그리게이션 레벨 표시 및 sfi 충돌 핸들링
Inventor: LEE HEECHOON
IPC: H04W84/04
Filed: 2018-03-22
Abstract: 본 개시내용의 특정한 양상들은 그룹 공통 물리 다운링크 제어 채널(GC PDCCH) 내의 슬롯 포맷 표시자(SFI) 및 슬롯 어그리게이션 레벨 표시 그리고 SFI에 대한 충돌 핸들링을 위한 기법들을 제공한다.  특정한 양상들에 따르면, 기지국(BS)에 의한 무선 통신 방법이 제공된다.  BS는, 슬롯 어그리게이션 레벨 및 어그리게이팅된 슬롯들의 포맷을 결정하고, 어그리게이팅된 슬롯의 포맷을 표시하는 SFI 및 슬롯 어그리게이션 레벨의 표시를 포함하는 다운링크 제어 채널을 전송할 수 있다.  UE는 SFI 및 슬롯 어그리게이션 레벨의 표시를 포함하는 다운링크 제어 채널을 수신할 수 있고, UE는 수신된 SFI 및 슬롯 어그리게이션 레벨에 기반하여 현재 슬롯의 포맷을 결정할 수 있다.
Patent KR-20190132697-A (KR)
Title: 단환식 모노테르펜 알코올과 같은 모노테르펜 화합물을 포함하는 조 조성물을 층 용융 결정화에 의해 정제하는 방법
Inventor: STEPANSKI MANFRED
IPC: C07C37/84
Filed: 2018-04-13
Abstract: 본 발명은 단환식 모노테르펜 알코올, 단환식 모노테르펜 케톤, 이환식 에폭시 모노테르펜 및 이들 화합물 중 2 이상의 혼합물로 구성된 군으로부터 선택되는 모노테르펜 화합물, 예컨대 바람직하게는 단환식 모노테르펜 알코올을 포함하는 조(crude) 조성물을 정제하는 방법에 관한 것이며, 이러한 방법은 조 조성물의 용융물을 이용하여 층 결정화를 수행하는 단계를 포함하고, 층 결정화 되는 이러한 조 조성물의 용융물은 20 ppm 내지 2　중량% 농도의 산소-함유 용매를 포함하고, 산소-함유 용매는 물, C 1-6 -알코올, C 1-6 -카르복실산, C 1-6 -케톤, C 1-6 -알데하이드, C 1-12 -에테르, C 1-12 -에스테르 및 이들 용매 중 2 이상의 혼합물로 구성된 군으로부터 선택된다.
Patent KR-20200002971-A (KR)
Title: 로봇과 로봇의 제어 방법
Inventor: PARUSEL SVEN
IPC: B25J9/16
Filed: 2018-04-18
Abstract: 본 발명은 이펙터를 구비한 로봇 조작기(101)를 가지는 로봇에 관한 것으로, 로봇 조작기(101)는 물체를 취출, 조작, 및 해방하도록 설계 및 구성되고 제어 유닛(103)에 의해 제어/조정되며, 제어 유닛이 제어 프로그램에 따라 이펙터에 의해 물체가 해방된 후 물체의 이펙터에 대한 지속적 부착 여부를 판단하여 이러한 지속적 부착의 존재 시 신호(S)를 생성하도록 설계 및 구성된 제1 센서 수단을 구비하고, 제어 유닛(103)이 다음 제어 프로그램: 신호(S)가 존재하면, 부착 물체가 와이퍼(104)의 표면 상에 쓸려 나가도록 이펙터에 와이퍼(104)가 스쳐 지나가는 소정의 운동(B)을 로봇 조작기가 실행하도록 로봇 조작기(101)를 제어하는 제어 프로그램을 실행하도록 설계 및 구성된다.
Patent KR-20200003109-A (KR)
Title: 샘플 가중치 설정방법 및 장치, 전자 기기
Inventor: ZHANG QIN
IPC: G06Q30/02
Filed: 2017-12-29
Abstract: 본 출원은 샘플 가중치 설정방법을 제공한다. 상기 방법은, 트레이닝될 샘플의 인기도 지표의 값을 획득하고, 각각의 상기 인기도 지표의 값에 따라 상기 트레이닝될 샘플의 단일 인기도 지표 가중치를 결정하고, 모든 상기 단일 인기도 지표 가중치에 따라 상기 트레이닝될 샘플의 샘플 가중치를 결정하는 것을 포함한다.
Patent KR-20210087144-A (KR)
Title: Substrate measuring device, substrate polishing apparatus comprising the same and method thereof
Inventor: KIM JONG CHEON
IPC: H01L21/67
Filed: 2020-01-02
Abstract: According to an embodiment of the present invention, a substrate measuring apparatus for measuring a polishing state of a substrate may comprise: a stick unit having a longitudinal direction; a plurality of sensor units installed on the stick unit along the length direction of the stick unit; a moving unit for moving the stick unit along the length direction of the stick unit; and a control unit for controlling the moving unit.
Patent KR-20200119710-A (KR)
Title: Electrode array and bodyimplantable device inclduing the same
Inventor: MIN KYOU SIK
IPC: A61N1/375
Filed: 2020-01-03
Abstract: Disclosed are a wire array and a bio-implantable device including the same, having improved electrical and structural characteristics. According to an embodiment, the wire array includes: a substrate part; and a plurality of wire parts disposed on the substrate part and stacked in a thickness direction, wherein the wire parts include a plurality of wires extending in a length direction on the substrate part, and a plurality of electrode holes located and exposed at one ends of the wires, respectively, the electrode holes are spaced apart from each other in the length direction, and repeatedly and sequentially arranged in the thickness direction, the thickness direction is a direction from the substrate part toward the wire part, and the length direction is a direction perpendicular to the thickness direction. In addition, the implantable device includes: a body part; and a wire array electrically connected to the body part, wherein the wire array includes a substrate part, and a plurality of wire parts disposed on the substrate part and stacked in a thickness direction, the wire parts include a plurality of wires extending in a length direction on the substrate part, and a plurality of electrode holes located and exposed at one ends of the wires, respectively, the electrode holes are spaced apart from each other in the length direction, and repeatedly and sequentially arranged in the thickness direction, the body part includes a pad part electrically connected to the wire parts, and a circuit part including a terminal electrically connected to the pad part, the thickness direction is a direction from the substrate part toward the wire part, and the length direction is a direction perpendicular to the thickness direction.
Patent KR-20210089951-A (KR)
Title: Spread spectrum clock generation appratus for generating spread spectrum clock signal and a method for operating the same
Inventor: KIM DONG HO
IPC: H03K5/135
Filed: 2020-01-09
Abstract: Disclosed is a device for generating a diffusion spectrum clock. The device for generating the diffusion spectrum clock comprises: a clock delay circuit that receives a reference clock signal and generates N number of delay clock signals (N is a natural number greater than or equal to 2) using the reference clock signal; and an output circuit that receives the N number of delay clock signals and outputs at least one part of the delay clock signals among the N number of delay clock signals as an output clock signal, wherein a phase delay of the delay clock signal outputted temporally after among at least one part of the delay clock signals is greater than or equal to a phase delay of the delay clock signal outputted temporally before, and a period of the output clock signal is greater than or equal to a period of a reference clock signal. Therefore, the present invention is capable of reducing an interference of electromagnetic waves.
Patent KR-20210093493-A (KR)
Title: Liquid cartridge including genuine product certification terminal and microparticle generator having the same
Inventor: OH SUNG ROK
IPC: A24F40/42
Filed: 2020-01-20
Abstract: The present invention provides a liquid cartridge having a genuine product authentication structure and a device for generating fine particles having the same. The present invention provides a liquid cartridge having a genuine product authentication structure, including: a housing that can store liquid; a wick assembly installed in the lower part of the housing and having a heating coil wound around the wick; a contact terminal connected to the heating coil and extending outside the housing; a PCB installed in the housing and storing cartridge-specific identification information; and an authentication terminal connected to the PCB and extending outside the housing.
Patent KR-20210094300-A (KR)
Title: A Method and an Apparatus for Detecting Dynamic Defacement in Application
Inventor: LIM JUNHYEOK
IPC: G06F21/62
Filed: 2020-01-21
Abstract: The technology disclosed herein relates to a method and device for detecting dynamic modulation of a Windows operating system-based application. According to one embodiment of the present invention, the method for detecting modulation may include a step of generating a handle list of child objects inheriting a function of a parent object, and inputting handle values of the child objects included in the handle list into a hash function to obtain a final hash value. In addition, in the provided technology, the obtained final hash value is maintained by a detection process, and the hash value is periodically compared with a hash value of a process to be protected to immediately detect modulation by external attacks such as malicious codes or the like.
Patent KR-20210098150-A (KR)
Title: Tumbler with adjustable air pressure
Inventor: AN HYEONG SU
IPC: B65D85/72
Filed: 2020-01-31
Abstract: The present invention relates to a tumbler capable of controlling an air pressure through an air cap. The tumbler capable of controlling an air pressure according to the present invention comprises: a tumbler body; a tumbler lid detachably coupled to the top of the tumbler body; and a straw that is inserted through a hole formed in the tumbler lid and allows a user to inhale and ingest contents, wherein an air cap capable of controlling air pressure is coupled to the upper side of the tumbler body. According to the present invention, it is possible to control the difference in air pressure when sucking with a straw, preventing foreign substances from being introduced through the straw, and convenient to use when sucking.
Patent KR-20210100416-A (KR)
Title: Construction machinery
Inventor: LIM CHULBAE
IPC: B60K26/02
Filed: 2020-02-06
Abstract: The present invention relates to a construction machine having wheels for traveling. The construction machine according to one embodiment of the present invention comprises: a brake pedal for generating a stop signal in order to stop the construction machine; a hydraulic brake device for stopping the construction machine according to the stop signal generated by the brake pedal; a brake fluid supply pump for supplying a brake fluid to the hydraulic brake device according to the stop signal from the brake pedal; a slope sensor for measuring a slope of the construction machine; a wheel sensor for determining whether the wheel rotates or not; an electronic parking brake for maintaining a stopped state of the construction machine; and a controller for operating the electronic parking brake when movement of the construction machine is sensed in releasing of the operated brake pedal caused by a defect or malfunction of the hydraulic brake device or the brake fluid supply pump, wherein the construction machine is located on a slope according to the information obtained through measurement by the slope sensor and the wheel sensor when the construction machine stops by means of operation of the brake pedal. Accordingly, the construction machine can be stably braked even on a slope and movement thereof, which is not associated with the intention of the user, can be prevented.
Patent KR-20200039625-A (KR)
Inventor: CHUNG EUI YOUNG
IPC: H04W88/18
Filed: 2020-02-07
Abstract: According to an embodiment of the present invention, a device and method for providing a location-based variable application service provide a list of applications available to a user based on location information of a user terminal so that the user can easily check the list, enable to use functions of various applications in one application, and allow the user to use multiple applications with one login, thereby greatly improving convenience of the user. In addition, the device and method can increase a service utilization rate of a service provider, and easily reflect the update of an application provided by the service provider, so that a separate operation for a variable service application is not required, so that the convenience of the service provider can also be improved.
Patent KR-20210101370-A (KR)
Title: Microgrid operation method and device to provide operational flexibility in main grid operation
Inventor: PARK HYEON GON
IPC: H02J3/38
Filed: 2020-02-07
Abstract: The present invention relates to a microgrid operation method and device capable of providing flexibility to large-scale power system operation. The operation method according to an embodiment of the present invention includes the steps of: collecting characteristic information of facilities in a microgrid and transaction information between the microgrid and a large-scale power system; determining ramping capability based on collected information in consideration of constraints on facilities in the microgrid; and determining the operating cost of the microgrid based on an objective function for the microgrid to participate in a ramping capability market.
Patent KR-20210101096-A (KR)
Title: Frying apparatus using frying oil and water with sludge discharge method that emits less environmental pollution
Inventor: LEE JONGSEOP
IPC: A47J37/12
Filed: 2020-02-07
Abstract: The present invention relates to an oil-water type frying apparatus applying a sludge discharge method reducing environmental pollution to increase purification efficiency of used oil. According to one embodiment of the present invention, the oil-water type frying apparatus comprises: a main body having an upper mounting hole and an accommodating space formed therein and formed on the upper central part, respectively, having an oil blocking plate selectively formed around the upper edge, and having a control unit mounted on one side thereof; a frying tub mounted on the upper mounting hole of the main body, having an oil discharge hole formed at the lower part, and having an oil re-supply unit formed on one side thereof; a heater unit mounted in the accommodating space disposed on the lower part of the frying tub and heating the frying tub according to operation of the control unit; and a purification means mounted in the accommodating space of the main body and purifying the oil of the frying tub supplied from the oil discharge unit connected to the oil discharge hole to discharge purified oil to the oil resupply unit of the frying tub or to the outside. The oil resupply unit includes a temperature sensor to measure the temperature of the oil accommodated in the frying tub in real-time. The purification means includes: a pump mounted in the accommodating space of the main body; a purification vessel having a purified oil discharge hole formed on the lower part while having an open upper part, and having a plurality of filter mesh support bars formed at a predetermined height in the inside corresponding to the oil discharge part; a filtration network that is seated on the upper part of the filter mesh support bar and primarily purifies the oil supplied from the oil discharge unit; a filter mesh disposed on the lower part of the purification vessel and secondarily purifying the oil purified through the filter mesh; a purified oil discharge unit connected to the purified oil discharge hole of the purification vessel and discharging the purified oil through the filter mesh to the oil resupply unit of the frying tub or to the outside when the pump is operated; and a purification cover opening and closing the upper part of the purification vessel.
Patent KR-20210101570-A (KR)
Title: Method and Apparatus of Avatar Placement in Remote Space from Telepresence
Inventor: LEE SUNG HEE
IPC: G06N3/04
Filed: 2020-02-10
Abstract: Disclosed are a method and apparatus of placing an avatar in a remote space for telepresence. A method of placing avatar in a remote space according to an embodiment of the present invention includes the steps of: collecting user preference data, which is placement data preferred by people, through a user preference survey; defining a similarity between a person and an avatar between corresponding points for two spaces by learning the collected user preference data with a deep neural network-based neural network; and placing the user's avatar in a remote space based on the similarity between the person and the avatar between corresponding points for the two defined spaces.
Patent KR-20200021065-A (KR)
Title: Capacitor, driving circuit comprising the capacitor, and display device comprising the driving circuit
Inventor: KIM TAE JOON
IPC: H05B45/37
Filed: 2020-02-20
Abstract: According to an embodiment of the present invention, a capacitor capable of minimizing effect of a parasitic capacitor is connected to a gate electrode of a transistor. The capacitor comprises: a first gate electrode connected to the gate electrode of the transistor; a gate insulating layer formed on the first gate electrode; and an upper electrode formed on the gate insulating layer. The upper electrode is formed to cover an area where the first gate electrode and upper electrode overlap. The capacitor may be applied to at least one of a light emitting drive circuit and a scan drive circuit, and at least one of the light emitting drive circuit and scan drive circuit may be included in a display device.
Patent KR-20210106646-A (KR)
Title: Cloth media disc filtration apparatus
Inventor: KUK CHUNGCHANG
IPC: B01D33/44
Filed: 2020-02-21
Abstract: The present invention relates to a fiber disc filter. When two backwash suction devices for backwashing two adjacent fiber disc filter surfaces are installed, two backwash boxes are installed with a height difference to minimize interference with each other. Accordingly, the size of fiber disc filter can be minimized when fabricating a fiber disc filter having the same treatment capacity by reducing the gap between two adjacent fiber disc filters. In particular, by manufacturing the backwashing box used when backwashing two adjacent fiber disc filter surfaces as one unit or by mounting the same alternately on both sides around the fiber disc filter, there is no interference between the two backwash suction devices. Thus the distance between two adjacent fiber disc filters can be reduced accordingly, thereby providing a fiber disc filter in reduced size.
Patent KR-20210108516-A (KR)
Title: Method for Providing Contents by Using Medicine Printing Information Based on Touch Screen Device
Inventor: KIM JAE HYUNG
IPC: G16H70/40
Filed: 2020-02-24
Abstract: The present invention relates to a content providing method using drug printing information based on an information input device. The method comprises the steps of: intercepting pharmaceutical preparation information; receiving patient's communication number information corresponding to the patient's identification information; requesting confirmation of the patient's service subscription; and providing the patient's communication number information and drug printing information to an operation server. According to the present invention, it is possible to detect and collect drug printing information.
Patent KR-20210111381-A (KR)
Title: Display device and method of manufacturing the same
Inventor: BYUN CHANG WOO
IPC: H05K1/14
Filed: 2020-03-02
Abstract: The present invention relates to a display device and a method of manufacturing the same. The display device comprises: a substrate including a display area and a non-display area adjacent to the display area; first to n^th lower pads (but, n is a natural number of 2 or greater) which are placed in the non-display area of the substrate and which are apart from each other; first to m^th upper pads (but, m is a natural number of 2 or greater) which are placed on the first to n^th lower pads and which are apart from each other; an anisotropic conductive film placed between the first to n^th lower pads and the first to m^th upper pads; and a circuit film which is placed on the first to m^th upper pads, and in which a plurality of first lower holes are formed between the areas overlapped with the first to m^th upper pads, and a plurality of first upper holes are formed, which are connected to the first lower holes on the first lower holes and which have a greater radius than that of the plurality of first lower holes. The first upper holes form a plurality of first openings on an upper surface of the circuit film. The present invention aims to provide a display device and a method of manufacturing the same, which are capable of improving the adhesion between the anisotropic conductive film and the circuit film.
Patent KR-20210111433-A (KR)
Title: Liquid charging nozzle device for rotary fill seal machine having function of removing residual substance at nozzle tip
Inventor: LEE ILHAE
IPC: B05B1/06
Filed: 2020-03-03
Abstract: The present invention relates to a liquid charging nozzle device which is one component of a rotary automatic packing machine for automatically charging liquefied contents into consecutively supplied pouches and, more specifically, to a liquid charging nozzle device for a rotary packing machine, which is formed to be vertically extended to introduce liquefied contents from an inlet on one side and discharge the same through a nozzle outlet in the bottom, causes a fixed amount of contents to be injected by blocking the nozzle outlet through a downward operation of a cutting rod installed therein, and causes residual matter stuck at the nozzle outlet to be dropped by compressed air sprayed through an air discharge channel formed on the cutting rod. The liquid charging nozzle device includes: a sleeve part formed in the center of the bottom of the cutting rod to be coaxial with the air discharge channel; a fine sliding valve body having a pin inserted into the sleeve part, a push head formed on the top of the pin, and a valve formed in the bottom of the pin; and a spring elastically pressing the fine sliding valve upward, thereby causing the push head to ascend at a fine distance from an upper inlet hole of the sleeve part and causing the valve to block a lower outlet hole of the sleeve part, and, when the compressed air is sprayed through the air discharge channel, causing the push head to come in contact with the upper inlet hole of the sleeve part and causing the valve to descend to open the lower outlet hole of the sleeve part. Accordingly, the air discharge channel can be prevented from being contaminated by liquefied substances and the liquefied substances can be prevented from scattering due to air-spraying.