baber/WOPTO huggingface dataset:
Patent WO-2016167553-A1 (WO)
Title: Procédé pour effectuer des authentifications multiples au sein d'une procédure d'enregistrement de service
Inventor: RAJADURAI RAJAVELSAMY
IPC: H04W4/10
Filed: 2016-04-12
Abstract: Des modes de réalisation de l'invention concernent un procédé permettant d'effectuer des authentifications multiples au sein d'une procédure d'enregistrement de service. Le procédé comprend l'envoi, par un équipement d'utilisateur (UE) d'un message de requête d'enregistrement REGISTER à un serveur de sous-système multimédia IP (IMS). Le procédé comprend en outre la réception d'un défi d'authentification IMS à partir du serveur IMS, où le défi d'authentification IMS comprend un paramètre d'authentification IMS et un défi d'authentification MCPTT. En outre, le procédé comprend la vérification, au niveau de l'UE, du défi d'authentification IMS. En outre, le procédé comprend la génération, au niveau de l''UE, d'un message de réponse REGISTER. En outre, le procédé comprend l'envoi d'un message de réponse REGISTER au serveur IMS, où le message de réponse REGISTER comprend une réponse d'authentification IMPS pour authentifier l'UE au niveau du serveur IMS et une réponse d'authentification MCPTT pour authentifier l'UE au niveau du serveur MCPTT.
Patent WO-2016182343-A1 (WO)
Title: Procédé de transmission d'un pusch avec contention dans un système de communication sans fil, et dispositif associé
Inventor: LEE SUNYOUNG
IPC: H04L5/00
Filed: 2016-05-11
Abstract: La présente invention concerne un système de communication sans fil. Plus spécifiquement, la présente invention concerne un procédé et un dispositif de transmission d'un canal partagé de liaison montante physique (PUSCH) avec contention dans un système de communication sans fil, le procédé consistant : à configurer au moins un octroi avec contention (CB) dans au moins une sous-trame parmi un ensemble de sous-trames allant d'une sous-trame N à une sous-trame N + K ; à recevoir des données sur la sous-trame N en provenance d'une couche supérieure ; à vérifier s'il existe ou non un octroi de liaison montante sur l'ensemble de sous-trames ; à transmettre les données à l'aide dudit octroi CB s'il n'existe pas d'octroi de liaison montante sur l'ensemble de sous-trames ; et à transmettre les données à l'aide de l'octroi de liaison montante s'il existe un octroi de liaison montante sur l'ensemble de sous-trames.
Patent WO-2017111223-A1 (WO)
Inventor: SEOK HAN BYEOL
IPC: H01L51/52
Filed: 2016-06-03
Abstract: L'invention concerne un appareil d'affichage électroluminescent organique. L'appareil d'affichage électroluminescent organique inclut : une première anode ; une deuxième anode qui est espacée par rapport à la première anode ; un banc de contacts entre la première anode et la deuxième anode ; et au moins une couche commune s'étendant sur une surface supérieure de la première anode, une surface supérieure du banc de contacts, et une surface supérieure de la deuxième anode, dans laquelle un périmètre de la surface supérieure du banc de contacts sur la section transversale est supérieur ou égal à 7 π µm. Par conséquent, la fuite de courant entre des sous-pixels adjacents peut être minimisée.
Patent WO-2017043925-A1 (WO)
Inventor: KIM BONG-CHUL
IPC: H02J50/80
Filed: 2016-09-09
Abstract: The present invention relates to a wireless power transmission method and device. The present invention may provide a method for wirelessly transmitting power by a wireless power transmitter, the method comprising the steps of: transmitting, to a wireless power receiver, power having a first level, which is determined on the basis of the maximum load power level of a load electrically connected to the wireless power receiver; receiving information on a usage load power level according to a change in the load level of the load from the wireless power receiver; and controlling the level of power transmitted to the wireless power receiver according to the received information on the usage load power level.
Patent WO-2017204437-A1 (WO)
Title: 조류 발전기
Inventor: YOO WONKI
IPC: H02K7/18
Filed: 2017-01-17
Abstract: 본 발명은 조류 발전기에 관한 것으로서, 보다 상세하게는 수상의 발전 수단과 수중의 동력 획득 수단을 분리하여 효율적인 발전이 가능하고, 수중에 위치한 시설물이 고장나더라도 용이하게 수상 견인이 가능하여 수상에서 쉽게 관리할 수 있을 뿐 아니라, 회전 프로펠러에 형성된 홈 구조와 연결줄을 통해 조류의 흐름을 최대한 활용할 수 있으며, 조류의 흐름 상태에 따라 회전수단과 수상 발전기 간의 동력 연결 개수를 제어함으로써 동력 전달에 낭비나 부족함이 없도록 하여 효율성을 극대화할 수 있는 조류 발전기에 관한 것이다.
Patent WO-2017160063-A1 (WO)
Title: 스크린 골프 시스템에서 구현되는 컨텐츠 전송 서비스 방법, 컨텐츠 전송 서비스를 위한 모바일 단말기의 제어방법 및 이를 기록한 컴퓨팅 장치에 의해 판독 가능한 기록매체
Inventor: LEE JI UNG
IPC: G06Q50/10
Filed: 2017-03-14
Abstract: 본 발명은 가상의 골프코스에 관한 영상이 구현되고 이에 대해 골프 샷을 함에 따라 볼의 궤적이 상기 가상의 골프코스 상에서 시뮬레이션 되도록 하는 스크린 골프 시스템에서 골프게임을 진행하는 과정에서, 일 사용자가 골프샷을 하며 게임을 진행할 때 다른 사용자가 자신의 모바일 단말기 등을 이용하여 골프샷을 하는 사용자의 플레이와 관련한 특별한 컨텐츠를 전송하여 화면상에 표시되도록 함으로써 가상의 골프를 즐기는 사용자들이 골프샷만을 단조롭게 하면서 골프게임을 진행하는 것이 아니라 골프게임을 진행하는 과정에서 사용자들끼리 다양한 재미 요소를 만들어 갈 수 있도록 함으로써 골프게임에 대한 더 큰 흥미를 유발시킬 수 있는, 스크린 골프 시스템에서 구현되는 컨텐츠 전송 서비스 방법 및 컨텐츠 전송 서비스를 위한 모바일 단말기의 제어방법을 제공하기 위한 것이다.
Patent WO-2019004504-A1 (WO)
Title: Shower device
Inventor: SIM HYUNGMIN
IPC: A47K3/28
Filed: 2017-06-29
Abstract: A shower device according to the present invention comprises a main body which connects a shower hose and a shower head part to each other and includes: a central part extending in an upstream-and-downstream direction; a main fluid channel formed therein to guide water from the shower hose to the shower head part; a cartridge having an inner space, which is detachably attached to an outer diameter side of the central part; and a branch fluid channel formed therein to guide water from the main fluid channel to the cartridge.
Patent WO-2018008970-A1 (WO)
Title: Procédé et appareil pour une procédure de rattachement spécifiée et la prise en charge de la mobilité et de la radiomessagerie dans un réseau de communication de données
Inventor: BAEK YOUNGKYO
IPC: H04W4/00
Filed: 2017-07-05
Abstract: La présente invention concerne une technique de communication qui combine un système de communication 5G permettant de prendre en charge un débit de données plus élevé que dans un système au-delà de la 4G avec une technologie IoT, ainsi qu'un système associé. La présente invention peut s'appliquer à des services intelligents basés sur la technologie de communication 5G et la technologie IoT, tels que des services liés aux domiciles intelligents, aux bâtiments intelligents, aux villes intelligentes, aux voitures intelligentes et aux voitures connectées, aux soins de santé, à l'enseignement numérique, au commerce de détail, et à la sécurité et la sûreté. L'invention concerne également un procédé exécuté par une entité de fonction de gestion de mobilité (MM). Le procédé comprend les opérations consistant à recevoir un message contenant des informations de session destinées à un terminal se trouvant dans un mode de repos, envoyer un message de radiomessagerie au terminal selon le message, recevoir d'une station de base un message de demande de service destiné au terminal, envoyer à la station de base un message de demande de configuration d'interface contenant les informations de session selon les informations de session, recevoir de la station de base un message de réponse de configuration d'interface, et envoyer des informations pour configurer une interface entre une passerelle de plan d'utilisateur (UP GW) correspondant aux informations de session et la station de base.
Patent WO-2018008972-A1 (WO)
Title: Procédé et appareil d'accès à un réseau cellulaire pour obtenir un profil de carte sim
Inventor: BAEK YOUNGKYO
IPC: H04W92/10
Filed: 2017-07-05
Abstract: L'invention concerne un procédé de communication qui combine un système de communication 5G, permettant de prendre en charge un débit de transfert de données supérieur à celui d'un système 4G, à la technologie IdO. L'invention concerne également un système associé. La présente invention peut s'appliquer à des services intelligents basés sur la technologie de communication 5G et la technologie IdO, tels que des services de maison intelligente, de bâtiment intelligent, de ville intelligente, de voiture intelligente, de voiture connectée, de soins de santé, d'enseignement numérique, de commerce de détail intelligent, de sécurité et de sûreté. L'invention concerne un procédé permettant à un réseau cellulaire de recevoir lui-même la fourniture d'un profil SIM afin de permettre l'utilisation d'un service de réseau cellulaire normal.
Patent WO-2018056619-A1 (WO)
Inventor: PARK WOO JAE
IPC: H01L51/50
Filed: 2017-09-08
Abstract: La présente invention concerne un nouveau composé ayant d'excellentes stabilité thermique et capacité luminescente, et un élément organique électroluminescent ayant des caractéristiques améliorées, telles que l'efficacité lumineuse, la tension de commande et la durée de vie, par l'incorporation du nouveau composé dans une ou plusieurs couches organiques.
Patent WO-2018070769-A1 (WO)
Title: 재료의 미세구조 개선을 위한 이종용접부의 일차수 응력 부식 균열 저감 후열처리 방법
Inventor: OH SEUNG JIN
IPC: C21D9/50
Filed: 2017-10-11
Abstract: 본 발명은 배관의 이종용접부의 외면을 570℃ 내지 620℃ 온도로 가열하는 단계와, 가열 상태의 온도를 4시간 내지 10시간으로 유지하는 단계와, 이종용접부의 외면을 570℃ 내지 620℃ 온도로 유지하는 동안에 용접부 내면을 냉각수 혹은 살수 장치를 이용하여 냉각(상온)을 유지하는 단계를 포함하는 방법으로, 이종용접부의 미세조직 내에 PWSCC 저항성을 높여주는 석출물이 생성되고 크랙의 방지 효과가 있으며, 스테인리스강의 예민화는 발생하지 아니하는 재료의 미세조직 개선을 위한 이종용접부의 PWSCC 저감 후열처리 방법에 관한 것이다.
Patent WO-2019124632-A1 (WO)
Inventor: LEE SUNG JIN
IPC: H04N19/172
Filed: 2018-03-04
Abstract: 본 발명은 예컨대 CCTV 카메라가 생성하는 압축영상에 대해 무언가 유의미한 움직임이 존재하는 영역, 즉 이동객체 영역을 종래기술처럼 복잡한 이미지 프로세싱을 수행할 필요없이 압축영상을 구성하는 영상 블록 단위로 모션벡터와 코딩유형과 같은 신택스에 기초하여 추출하고 그 이동객체 영역의 움직임을 관찰하여 불균일한 방향성을 나타내는 경우에는 객체 배회 이벤트를 검출하는 기술에 관한 것이다. 본 발명에 따르면 압축영상에 대해 디코딩, 다운스케일 리사이징, 차영상 획득, 영상 분석 등과 같은 복잡한 프로세싱을 거치지 않고서도 CCTV 촬영 영상에서 누군가 배회하고 있다는 것을 실시간으로 식별할 수 있어 영상관제 시스템을 통한 범죄예방 효과를 높일 수 있는 장점이 있다.
Patent WO-2018174471-A1 (WO)
Title: 다리 벌어짐 방지용 바지
Inventor: JIN SUNGBOK
IPC: A41D1/06
Filed: 2018-03-16
Abstract: 본 발명은 다리 벌어짐 방지용 바지에 관한 것이다. 본 발명은 바지 양측에 자성체가 설치되되 서로 엇갈려 배치되어 있는 것을 특징으로 한다. 본 발명에 의해 보행에 방해를 주지 않으면서 공공장소의 벤치에 앉을 때 다리가 벌어지는 것을 간편하게 방지하여 공공 장소의 애티켓을 지킬 수 있게 해준다.
Patent WO-2019124654-A1 (WO)
Inventor: LEE SANG CHUEL
IPC: H03K17/955
Filed: 2018-06-04
Abstract: 본 기술의 일 실시예에 의한 인체 감지 장치는 캐패시턴스와 인덕턴스를 동시에 형성할 수 있는 검출부, 제 1 감지 모드에서 검출부와 전기적으로 접속되어 정전용량 변화에 기초하여 임의의 물체가 접근하였는지 감지하는 제 1 감지부 및 제 1 감지부에서 임의의 물체가 접근한 것으로 감지되면 제 2 감지 모드에서 검출부와 전기적으로 접속되어 임피던스 변화에 기초하여 접근한 물체의 종류를 판단하는 제 2 감지부를 포함하도록 구성될 수 있다.
Patent WO-2019216478-A1 (WO)
Title: Apparatus for manufacturing synthetic resin-embossing carrier tape
Inventor: WOO HYUN GYU
IPC: B29D22/00
Filed: 2018-06-05
Abstract: The present invention relates to an apparatus for manufacturing a synthetic resin-embossing carrier tape and, more specifically, to an apparatus for manufacturing a synthetic resin-embossing carrier tape, wherein the apparatus includes an electronic component reception part formed by descending a punch and by using an elastic die plate made of an elastic material and formed on a lower surface of a synthetic resin substrate on which the electronic component reception part is formed, in order to solve the problem of the prior art because a corner part of an electronic component reception part formed on a carrier tape manufactured by a conventional carrier tape manufacturing apparatus has an angle of 95 or higher degrees to allow generation of cracking thereon and a vertical or slanted movement of an electronic component mounted thereon, thereby causing a problem of the electronic component. Therefore, the present invention can prevent generation of a crack on a corner of an electronic component reception part and a vertical or slanted movement of an electronic component.
Patent WO-2018236125-A1 (WO)
Title: Method for converting, into aconine, diester-diterpenoid alkaloids and monoester-diterpenoid alkaloids, highly toxic substances contained in aconitum carmichaeli debeauxor aconite tuber
Inventor: JUNG HEE TAE
IPC: C07D221/22
Filed: 2018-06-19
Abstract: The present invention relates to a method for converting, into aconine, diester-diterpenoid alkaloids and monoester-diterpenoid alkaloids that are highly toxic substances contained in Aconitum carmichaeli Debeaux or Aconite tuber, and a method for producing a processed product made of Aconitum carmichaeli Debeaux or Aconite tuber having high content of aconine using the same method. According to a unique process method of the present invention, the diester-diterpenoid alkaloids and the monoester-diterpenoid alkaloids contained in Aconitum carmichaeli Debeaux or Aconite tuber can be converted into aconine to an almost perfect level while maintaining excellent physical properties of Aconitum carmichaeli Debeaux or Aconite tuber in a dry original form (original form as a drug) without cumbersome processes of extracting specific components and inducing specific chemical reactions for each component. As compared to conventional well-known processing methods which are only effective only for converting diester-diterpenoid alkaloids into monoester-diterpenoid alkaloids (particularly, benzoylaconine), the present invention can produce a processed product with Aconitum carmichaeli Debeaux or Aconite tuber, having high content of aconine which is superior to bezoylaconine in terms of pharmacological effects and safety. Therefore, the present invention is of high industrial applicability.
Patent WO-2019078448-A1 (WO)
Title: Battery case including diversified metal blocking layers, and battery cell including same
Inventor: KIM SANG HUN
IPC: B32B7/12
Filed: 2018-07-05
Abstract: The present invention relates to a pouch-type battery case, into which an electrode assembly, having a structure in which a separator is interposed between a cathode and an anode, is embedded together with an electrolyte, the battery case comprising: an outer coating layer of a polymer resin constituting an external surface of the battery case in order to protect a battery cell from the outside; a metal blocking layer positioned on the inner side of the outer coating layer, and providing a moisture blocking property and heat conductivity; and an inner sealant layer of a polymer resin positioned on the inner side of the metal blocking layer and having a heat bonding property, wherein the metal blocking layer includes a first metal having excellent moldability and a second metal having high rigidity.
Patent WO-2019031793-A1 (WO)
Title: Workstation, medical imaging device including same, and control method therefor
Inventor: SON KI HONG
IPC: A61B6/00
Filed: 2018-08-06
Abstract: A medical imaging device according to a disclosed embodiment comprises: an X-ray source for irradiating an X-ray to an object; an X-ray detector for obtaining projection data by detecting an X-ray irradiated from the X-ray source; and an image processing unit for reconstructing the projection data on the basis of a motion parameter indicating a motion of at least one of the object, the X-ray source, and the X-ray detector, and applying a waiting process to the reconstructed projection data, so as to generate a medical image.
Patent WO-2019045328-A1 (WO)
Title: Refrigerator
Inventor: KIM BYOUNG MOK
IPC: F25D23/02
Filed: 2018-08-14
Abstract: A refrigerator having an improved door structure is disclosed. The refrigerator comprises: a main body having storage chambers; doors rotatably coupled to the main body so as to enable the storage chambers to be opened and closed; coupling members assembled to a door frame forming the doors; and door handles assembled with the coupling members by a sliding method.
Patent WO-2019083285-A1 (WO)
Title: Led panel and display apparatus having the same
Inventor: HAN SEUNG RYONG
IPC: H01L33/52
Filed: 2018-10-24
Abstract: An LED panel includes a panel body having a substrate, a plurality of LED elements and a mold, and a light absorbing layer formed at a lateral side of the panel body to absorb at least one of ambient light or light emitted from the plurality of LED elements. The light absorbing layer prevents a seam formed by a gap between the adjacent LED panels from being visible. The light absorbing layer absorbs the external light incident on the gap or absorbs the light emitted from the LED element to the gap.
Patent WO-2020071587-A1 (WO)
Inventor: PARK DUG KEUN
IPC: A45C13/00
Filed: 2018-11-21
Abstract: Le présent document décrit une valise à roulettes posant un faible risque d'accident lors de l'utilisation d'un moyen de transport tel qu'un bus ou un escalier mécanique. La valise à roulettes selon un mode de réalisation de l'invention comprend : un corps destiné à stocker des objets ; une pluralité de roulettes disposées au niveau de la partie inférieure du corps ; une rainure de rail formée dans un côté du corps dans une direction verticale ; et une unité de bras présentant un arbre rotatif au niveau de son extrémité inférieure et installée dans la rainure de rail de manière à pouvoir coulisser dans la direction verticale du corps.
Patent WO-2019107980-A1 (WO)
Inventor: YOU JONG WOO
IPC: G06Q50/04
Filed: 2018-11-29
Abstract: 본 발명은, 피처리물의 상태 정보 및 품질 정보를 데이터화하여 축적하는 저장부, 피처리물 처리 경로에서, 피처리물의 현재 상태 정보를 획득하는 측정부, 저장부에 축적된 데이터를 기반으로, 현재 상태 정보에 대응하는 데이터 집합을 추출하고, 이를 이용하여 피처리물의 품질을 예측하는 품질 예측부를 포함하는 품질 예측 장치, 및 이를 이용한 품질 예측 방법으로서, 피처리물의 처리 실적을 데이터화하여 축적하고, 축적된 데이터를 기반으로 피처리물의 품질을 정확하게 예측할 수 있는 품질 예측 장치 및 방법이 제시된다.
Patent WO-2019112393-A1 (WO)
Inventor: CHOI HEE JUNG
IPC: C01B33/159
Filed: 2018-12-07
Abstract: The present invention relates to a hydrophobic silica aerogel precursor and a hydrophobic silica aerogel produced by using the same. According to the present invention, when producing a hydrophobic aerogel precursor, a linear silane crosslinking agent containing a PEG-derived unit is introduced, and thus it is possible to produce a hydrophobic silica aerogel having improved high-temperature thermal stability and mechanical properties.
Patent WO-2020050460-A1 (WO)
Title: Pharmaceutical composition for preventing or treating inflammatory bowel diseases
Inventor: YUM DO YOUNG
IPC: A61K38/44
Filed: 2018-12-26
Abstract: The present invention pertains to a pharmaceutical composition for preventing or treating inflammatory bowel diseases, the pharmaceutical composition containing a  Bacillus 
 amyloliquefaciens  GF423 strain, a superoxide dismutase high-production  Bacillus 
 amyloliquefaciens  GF424 mutant strain, superoxide dismutase derived from these strains, or both the strains and SOD as active ingredients. Superoxide dismutase, which is an active ingredient of the present invention and is derived from a  Bacillus amyloliquefaciens  GF423 strain (KCTC 13222BP), effectively inhibits and decomposes reactive oxygen species, and thus has the effect of being able to fundamentally prevent pathogenesis of inflammatory bowel diseases caused by reactive oxygen species. Therefore, the composition of the present invention can be developed into a variety of excellent products, such as drugs and health functional foods, for preventing or treating inflammatory bowel diseases.
Patent WO-2019190243-A1 (WO)
Title: System and method for generating information for interaction with a user
Inventor: KIM MIYOUNG
IPC: G06N3/08
Filed: 2019-03-28
Abstract: The present disclosure relates to: an artificial intelligence (AI) system for simulating functions of the human brain, such as cognition, decision making, etc., by using a machine learning algorithm such as deep learning, etc.; and an application thereof. A method for generating, by a first interactive electronic device of a first user, information for interaction with the first user comprises the steps of: receiving, from a second interactive electronic device, interactive information between a second user and a second interactive electronic device; and generating interactive information to be provided to the first user by applying the interactive information provided from the second interactive electronic device to a first AI learning model. At least a part of the method for generating interactive information may use a rule-based model or an AI model having been learned according to at least one of a machine learning algorithm, a neural network algorithm, and a deep learning algorithm.
Patent WO-2019203612-A1 (WO)
Title: Variable transmittance film and smart window including same
Inventor: BAE NAM SEOK
IPC: E06B9/24
Filed: 2019-04-19
Abstract: A variable transmittance film according to one aspect of the present application comprises: a first electrode substrate and a second electrode substrate provided facing each other; and a liquid accommodation layer disposed between the first electrode substrate and the second electrode substrate and including a liquid material and a partition wall pattern that partitions the liquid material into two or more spaces, wherein at least a portion of the partition wall pattern includes passage regions for connecting neighboring spaces.
Patent WO-2019212274-A1 (WO)
Title: Antenna and electronic device including same
Inventor: KIM JAEHYUNG
IPC: H04M1/02
Filed: 2019-05-03
Abstract: An electronic device is provided. The electronic device includes a housing, a touch screen display arranged inside the housing, a printed circuit board (PCB) which is arranged in parallel with a rear plate, and which includes a ground plane and a conductive path, and a wireless communication circuit arranged on the PCB. The housing includes a first side surface, a second side surface, a third side surface, and a fourth side surface. The first side surface includes a first conductive part, a first nonconductive part, a second conductive part, a second nonconductive part, and a third conductive part successively arranged between the second side surface and the fourth side surface. The rear plate includes, when seen from above the rear plate, a nonconductive slit extending from the first nonconductive part to the second nonconductive part, a first conductive area, and a second conductive area positioned outside the first conductive area across the nonconductive slit.
Patent WO-2020209444-A1 (WO)
Inventor: KIM HANG SEOK
IPC: H04M1/02
Filed: 2019-07-10
Abstract: 이동 단말기의 제1디스플레이가 제1방향을 향하도록 안착되는 단말기 케이스, 일면을 통해 노출되는 제2디스플레이를 포함하는 폴더블 커버, 상기 단말기 케이스와 상기 폴더블 커버를 선택적으로 연결시키나 분리시키고, 상기 단말기 케이스와 상기 폴더블 커버를 상대적으로 회동시키는 힌지부 및 상기 단말기 케이스 내에 배치되어 일측이 상기 단말기 케이스 외부로 노출되고, 타측이 상기 이동 단말기와 전기적으로 연결되는 케이스 회로부를 포함하는 보조 장치가 소개된다.
Patent WO-2021010535-A1 (WO)
Inventor: JUNG SUNG HWAN
IPC: B24C5/00
Filed: 2019-07-23
Abstract: An embodiment of the present invention provides an underwater ultrasonic peening device capable of improving the efficiency of energy used for peening. Here, the underwater ultrasonic peening device, being an underwater ultrasonic peening device that performs ultrasonic peening on a target surface in contact with water, comprises a transducer, an ultrasonic tip, and a cover. The ultrasonic tip is connected to the transducer and generates cavities in the water by exciting the water in contact with one end surface thereof, and radiating ultrasonic waves. The cover accommodates therein the remaining portion of the ultrasonic tip other than at least a portion including one end section of the ultrasonic tip, and includes a coupling part of which one end section contacts the ultrasonic tip to prevent the water from flowing into the cover. The coupling part is provided at a pressure anti-node where the vibration displacement of the ultrasonic tip is zero so that shape deformation of the coupling part is minimized when the ultrasonic tip vibrates axially.