baber/WOPTO huggingface dataset:
Patent KR-20220048404-A (KR)
Inventor: OH HYE BIN
IPC: A45D40/22
Filed: 2020-10-12
Abstract: The present invention relates to an eyeshadow case which has an embedded brush tip (11) that fits a lower case (10) to be withdrawn therefrom in a sliding manner to be easily used, and has an upper case (20) that fits the lower case (10). The eyeshadow case has an undercut protruding from the brush tip (11) so as not to be separated when inserted.
Patent KR-20220051898-A (KR)
Inventor: PARK SEONG CHEOL
IPC: C08L101/00
Filed: 2020-10-19
Abstract: The present invention relates to an antibacterial film comprising metal nanopowders and a method for preparing the same, and more particularly, to an antibacterial film comprising metal nanopowders and a method for preparing the same, wherein the antibacterial film comprising metal nanopowders does not use an organic solvent and thus is eco-friendly, exhibits high hydrophobicity, moisture permeability, and durability, and has excellent antibacterial activity against Staphylococcus aureus ATCC 6538P, Escherichia coli ATCC 8739, and Klebsiella pneumoniae ATCC 4352.
Patent KR-20220053775-A (KR)
Inventor: LEE DAE WON
IPC: F01N3/20
Filed: 2020-10-23
Abstract: The present invention discloses a perovskite catalyst which can burn carbon particulate matter at a low temperature and an ozone oxidation system for carbon particulate matter using the same. According to the present invention, provided is the perovskite catalyst which can burn carbon particulate matter at a low temperature using ozone having an A/B molar ratio of greater than 1 and less than 1.1 in an ABO_3 structure.
Patent KR-20220055797-A (KR)
Inventor: PARK KYUTAE
IPC: B08B5/04
Filed: 2020-10-27
Abstract: The present invention relates to a foreign matter removal device, and more particularly to the foreign matter removal device that can efficiently remove foreign matters generated in an automobile cell manufacturing process by increasing the length of a body part and separating a channel for detaching and removing foreign substances in response to the size of a large-sized automobile cell. The foreign matter removal device includes a suction unit body; a plurality of suction unit channels; a suction port; an ejection unit body; a plurality of ejection unit channels; and an ejection unit port.
Patent KR-20220059235-A (KR)
Title: Battery pack
Inventor: AHN BYUNG KOOK
IPC: H01M10/6554
Filed: 2020-11-02
Abstract: According to the present invention, disclosed is a battery pack. The battery pack includes: a first battery cell; a circuit board electrically connected to the first battery cell and extended along a first axis; a first connection tab protruding toward the first battery cell along a second axis intersecting the first axis from the first surface of the circuit board facing the first battery cell; a connection member for detection mediating a connection between the first connection tab and the first battery cell. According to the present invention, provided is the battery pack having an improved sensing structure for acquiring battery cell state information such as the voltage, current, and temperature of the battery cell.
Patent KR-20200127953-A (KR)
Inventor: JO KANG TA
IPC: H04B1/44
Filed: 2020-11-03
Abstract: According to one embodiment of the present invention, a front end module capable of reducing the number of antennas mounted on a mobile device comprises: an antenna terminal; and a duplexer including a first filter connected to the antenna terminal and a second filter supporting wireless communication of a standard different from a standard supported by the first filter in a frequency band different from a frequency band of the first filter. Each of the first filter and the second filter may include an LC filter, and some operation time sections of the first filter may overlap with some operation time sections of the second filter. The first filter may include a plurality of series units connected in series between the antenna terminal and the first terminal, and a plurality of shunt units disposed between different nodes between the antenna terminal and the first terminal and the ground. The second filter may include a plurality of series units connected in series between the antenna terminal and the second terminal, and a plurality of shunt units disposed between different nodes between the antenna terminal and the second terminal and the ground. At least one of the plurality of shunt units of the first filter may include a capacitor and an inductor connected in series with each other to form an attenuation region. At least one of the plurality of shunt units of the second filter may include a capacitor and an inductor connected in series with each other to form an attenuation region.
Patent KR-20220060279-A (KR)
Inventor: KANG JIHEE
IPC: H02M1/00
Filed: 2020-11-04
Abstract: Various embodiments of the present invention relate to a device and method for sharing a DCDC converter between antenna modules. The device includes: an antenna module including a low-dropout regulator (LDO), a first DCDC converter, an antenna array IC, and an antenna array; a second DCDC converter disposed outside the antenna module and supplying power to the LDO; a power generation circuit supplying power to the first DCDC converter and the second DCDC converter; and a processor operatively connected to the antenna module, the second DCDC converter, and the power generation circuit. Various embodiments are possible.
Patent KR-20220060843-A (KR)
Title: Document malware detection device and method combining machine learning and signature matching
Inventor: YOON MYUNG KEUN
IPC: G06N20/00
Filed: 2020-11-05
Abstract: The present invention relates to an apparatus and a method for detecting a document-type malicious code in which machine learning and signature matching are combined, and the apparatus includes: a document learning model generation unit that generates a document learning model by extracting a feature vector from each of a malicious code document and a normal code document; a document binary classification unit that binarily classifies a given document as the malicious code document or the normal code document by inputting the feature vector for the given document to the document learning model; a signature processing unit that determines whether the given document corresponds to the malicious code document by detecting a signature, which is included in a signature database, from the given document; and a malicious file determination unit that finally determines whether the given document includes a malicious code through binary classification of the document binary classification unit and determination of the signature processing unit. Accordingly, the present invention can additionally detect a small number of malicious codes, which are not detected by machine learning, through a traditional signature matching method.
Patent KR-20220064436-A (KR)
Title: Manufacturing method of flame retardant polyurethane foam sheet
Inventor: KIM KI SEONG
IPC: B29C71/04
Filed: 2020-11-11
Abstract: The present invention relates to a method for manufacturing a flame-retardant polyurethane foam sheet. More specifically, the present invention comprises: a surface treatment agent preparation step of preparing an ultraviolet curable surface treatment agent containing a flame retardant mixture consisting of an encapsulated flame retardant and melamine; a coating step of coating one side of a polyurethane foam sheet containing a flame retardant with the surface treatment agent prepared in the surface treatment agent preparation step; and a curing step of curing the surface treatment agent applied on the polyurethane foam sheet containing the flame retardant through the coating step. The method for manufacturing a flame-retardant polyurethane foam sheet comprising the above processes is characterized in that: a surface treatment agent containing a flame retardant mixture consisting of a flame retardant surface modified through encapsulation and melamine is applied to a surface of a polyurethane foam sheet such that surface treatment layer that exhibits excellent coating film adhesion with the polyurethane foam sheet and effects such as reducing stickiness, as well as flame resistance, is provided so as to suppress the generation of wrinkles during winding or use; and since a low content of flame retardant is contained in the foam sheet, the foam sheet has improved elasticity, compression resilience, and tensile strength due to the stabilization of a porous layer while exhibiting excellent flame retardant.
Patent KR-20220064242-A (KR)
Title: 3D virtual space-based service system and method
Inventor: SEO SEOK EUN
IPC: G06T7/593
Filed: 2020-11-11
Abstract: The present invention relates to a system and a method for a service based on three-dimensional virtual space. The system according to the present invention comprises: a public cloud having a CDN constructed therein to store uploaded space scanning data obtained from a space scanning device and to provide the same on request from a service device and having a VR and AR service platform constructed therein to execute a VR and AR application for providing a virtual space-based service to the service device using the space scanning data stored in the CDN; and a plurality of edge clouds having a CDN constructed therein to store the space scanning data and having a VR and AR service platform constructed therein to execute a VR and AR application. According to the present invention, virtual space can be configured in a 5G edge cloud and a service can be provided using indoor and outdoor three-dimensional space scanning data obtained through a three-dimensional space scanning device. More specifically, users wearing VR and VR devices can cooperate variously with others in a space with a new shape combined with a remote actual space. Moreover, information on three-dimensional space can be shared in a 5G edge cloud communication environment to extend to shopping, education, training and travel content industries based on indoor and outdoor remote space content sharing.
Patent KR-20220065314-A (KR)
Title: Test handler for electronic component
Inventor: NA YUN SUNG
IPC: G01R31/28
Filed: 2020-11-13
Abstract: The present invention relates to an electronic component test handler which allows a pusher pressing an electronic component to be replaced in accordance with the type of the electronic component. Specifically, according to one embodiment of the present invention, the electronic component test handler comprises: a match plate capable of coming in contact with a test socket and/or an electronic component mounted on the test socket; and a temperature adjustment unit selectively coupled to the match plate, and capable of adjusting the temperature of the match plate to adjust the temperature of the electronic component coming in contact with the match plate. The match plate includes: a match pusher of which a portion protrudes downwards to press the electronic component; and a link member connected to the match pusher. The temperature adjustment unit includes: a temperature adjustment pusher part arranged above the match pusher such that the bottom surface thereof can come in contact with the upper surface of the match pusher; and a fastening member configured to be moved relative to the temperature adjustment pusher part. The match pusher and the temperature adjustment pusher part are configured to move together while the upper surface of the match pusher and the bottom surface of the temperature adjustment pusher part come in surface contact with each other when the link member and the fastening member mesh with each other.
Patent KR-20220065511-A (KR)
Title: Wire coating device
Inventor: YOUN SIC CHUN
IPC: D07B7/16
Filed: 2020-11-13
Abstract: Disclosed is a wire coating device, which comprises: a wire holder unit for fixing both ends of a wire; a fiber forming unit which has a first fiber-forming module and a second fiber-forming module having a polymer solution applied thereto, facing each other, approaching and retracting from each other, and forming fibers; and a control unit controlling the wire holder unit to adjust tension of the wire and controlling the fiber forming unit to cross the wire to the fiber. The fiber-forming unit rotates the wire in a longitudinal direction of the wire as an axis. Also, when the wire and the fiber cross each other, the fiber is attached to the wire and coated. In addition, a wire coating method can include a post-treatment step so that an adsorption state of the coated fibers can be improved.
Patent KR-20220072581-A (KR)
Inventor: NAM KYOUNG HO
IPC: A47J36/06
Filed: 2020-11-25
Abstract: 개시된 본 발명에 따른 가변형 뚜껑은, 조리용기의 입구를 마감하는 뚜껑부재의 테두리에 연결할 수 있도록 내면이 결합부가 형성되면서 외경 방향으로 확장되는 확장부재를 포함한다. 
본 발명에 의하면, 뚜껑의 테두리에 교체 가능하게 결합된 확장부재를 통해 인위적으로 면적을 가변시켜 크기가 다른 다양한 조리용기에 사용 가능하고, 뚜껑부재의 감싸는 면이 위로 향하도록 하여 도마 등으로 사용 가능하므로 활용도가 우수하며, 확장부재가 절첩식으로 구비되는 경우 볼록 구조로 변형시켜 해당 크기의 조리용기 뚜껑으로 사용 가능하면서 조리용기 위로 올라오는 음식물의 조리 역시 가능한 효과가 있다.
Patent KR-20220073335-A (KR)
Title: 안강망용 닻 투양묘 안전장치
Inventor: HWANG BO KYU
IPC: A01K75/06
Filed: 2020-11-26
Abstract: 본 발명은 안강망용 닻 투양묘 안전장치에 관한 것으로, 상기 안강망용 닻 투양묘 안전장치는, 선박의 선수측 갑판에 수평방향으로 신축되도록 설치되는 실린더, 상기 선박의 갑판에 설치되되, 상기 실린더의 길이방향으로의 전방측에 배치되는 지지프레임, 상기 실린더의 끝단부에 전단 끝단부가 링크 결합되는 제1 링크부재 및 상기 제1 링크부재의 후단 끝단부에 전단 끝단부가 링크 결합되고, 후단 끝단부는 상기 지지프레임에 링크 결합되며, 상면에 닻이 안착되는 제2 링크부재를 포함하며, 상기 실린더가 신장됨에 따라 상기 제1 링크부재 및 제2 링크부재는 상부방향으로 절곡되어 일부구간 절첩되고, 상기 실린더가 축소됨에 따라 상기 제1 링크부재 및 제2 링크부재는 수평으로 일직선상에 배치되는 것을 특징으로 하며, 따라서 본 발명은 선박의 갑판에 설치되어 닻이 투묘 및 양묘되는 각도 및 이동루트를 가이드하여 상기 닻이 투양묘되는 과정에서 선체에 접촉되는 것을 방지하고, 작업의 안정성을 향상시키는 현저한 효과가 있다.
Patent KR-20220074605-A (KR)
Title: 염기성 이온교환수지를 이용한 이종 선형 카보네이트의 제조 방법
Inventor: KIM JIN HYUNG
IPC: C07C67/343
Filed: 2020-11-27
Abstract: 본 명세서는, 촉매의 존재 하에, 지방족 알코올과 대칭 선형 카보네이트를 에스테르 교환 반응시키는 단계를 포함하고, 상기 촉매는, 교환 용량이 1(eq/ℓ-wet resin) 이상, 1.5 (eq/ℓ-wet resin) 이하인 다공형(Porous Type) 염기성 이온교환수지인 것인 이종의 선형 카보네이트의 제조 방법을 제공한다.  
본 명세서의 제조 방법은, 반응 증류의 공정 없이, 고수율로 이종의, 대칭 선형 카보네이트와 비대칭 선형 카보네이트의 제조 방법을 제공한다.
Patent KR-20200138703-A (KR)
Inventor: KIM JIN GU
IPC: C08F4/52
Filed: 2020-12-03
Abstract: The present invention relates to a catalyst composition for polyolefin polymerization comprising a transition metal compound and an internal electron donor including an aromatic dithiocarbamate compound, a method for preparing a catalyst composition for polyolefin polymerization, and a method for preparing a polyolefin using the same. The catalyst composition for polypropylene polymerization according to the present invention includes thiocarbamate alkyl aluminum having high bonding strength with a carrier as an internal electron donor, and can reduce the separation of the internal electron donor, thereby minimizing the use of an external electron donor, and produces polypropylene powder having high activity and high stereoregularity during polypropylene polymerization, thereby improving polymerization efficiency.
Patent KR-20210156187-A (KR)
Inventor: NAM DONG WOO
IPC: G06F3/06
Filed: 2020-12-03
Abstract: Disclosed are a storage device performing a high-speed link startup and a storage system comprising the same. After completing an initialization operation, the storage device transmits a high-speed link-up to a host through a connected transmission lane. Based on the high-speed link-up of the storage device, the storage device and the host perform a link start-up sequence in a high-speed mode. The host initializes to the high-speed mode and waits for a high-speed link-up to be received from the storage device within a set time from releasing a reset signal. The high-speed link-up of the storage device is transmitted to the host using a length of an active section of the connected transmission lane, a length of a line-reset section, or a high-speed link startup primitive. Therefore, the present invention is capable of improving a performance of the storage system.
Patent KR-20220081176-A (KR)
Inventor: KIM JONGMOON
IPC: A61B18/20
Filed: 2020-12-08
Abstract: 일 실시 예에 따라, 3D 모델링 이미지에 대한 동적 데이터를 이용하여 대상체에 포함된 과두의 움직임을 나타내는 과두 이동 데이터를 획득하고, 과두 이동 데이터에 기초하여 대상체의 움직임을 시뮬레이션함으로써, 과두의 이동 경로를 그대로 재현해낼 수 있는 가상 교합기를 제공할 수 있는 방법 및 디바이스가 개시된다.
Patent KR-20220081582-A (KR)
Inventor: JIN HO SEUNG
IPC: H02H3/087
Filed: 2020-12-09
Abstract: 본 발명은 기계식 DC 회로 차단기의 작동 조건이 양호하고 기능 및 성능이 엔지니어링 설계 및 작동 요구 사항을 충족할 수 있는 직류 선로 보호 장치를 제공하는 것을 목적으로 한다. 본 발명의 일 실시예에 따른 직류 선로 보호 장치는, 정상 작동에서는 고속 기계식 스위치 M이 닫히고 솔리드 스테이트 스위치 S와 바이 패스 스위치 K가 분리되고, 빠른 기계식 스위치 분기는 정상적인 전류 흐름을 수행하고 LC 공진 정류 분기의 공진 커패시터 C는 사전 충전되고, 오류가 발생하면 기계식 DC 회로 차단기의 제어 및 보호 시스템이 빠른 기계식 스위치로 스위칭 명령을 보내고, 특정 기계적 지연 후 빠른 기계적 스위치가 열리기 시작하고 동적 접점과 정적 접점 사이에 아크를 생성하고, 접촉 거리가 안전 간격에 도달하면 LC 공진 정류 분기의 솔리드 스테이트 스위치가 켜지고, LC 공진 분기에서 생성 된 공진 전류는 빠른 기계식 스위치 분기에 중첩될 수 있다.
Patent KR-20220082429-A (KR)
Title: 트리거 기능을 적용한 배관 보호 지지장치
Inventor: CHOI WON MOG
IPC: F16L3/01
Filed: 2020-12-10
Abstract: 본 발명의 트리거 기능을 적용한 배관 보호 지지장치는, 배관의 하부에 고정되는 받침대; 상기 받침대를 감싸주는 트리거; 상기 트리거를 감싸주면서 상기 트리거의 상부와 고정되는 하우징; 상기 하우징 내의 하부에 삽입되어 상기 트리거의 하부를 탄발력으로 받쳐주는 탄발부재를 포함하고, 배관의 지지하중이 허용하중 보다 큰 대규모 지반침하 발생시 트리거가 작동하여 배관을 지지하는 지지하중을 허용하중 이하로 작용하도록 작동해 주기 때문에 배관과 플랜지 그리고 엘보의 손상을 방지할 수 있고, 구조가 간단하고 제작 비용이 저렴하므로 기존 배관 지지수단으로 간편하게 적용이 용이함과 동시에 유지보수가 용이하며, 지반침하 발생 구역에 있는 생산기지 및 공급관리소의 모든 배관의 지지수단으로 적용 가능하므로 활용성이 우수한 장점이 있다.
Patent KR-20220082612-A (KR)
Title: 원격 근무를 위한 사용자 단말의 원격 접속과 워터마크 표시를 제어하는 방법 및 이를 운용하는 서버
Inventor: HONG YUN HWAN
IPC: G06Q10/10
Filed: 2020-12-10
Abstract: 원격 근무를 위한 사용자 단말의 원격 접속과 워터마크 표시를 제어하는 방법 및 이를 운용하는 서버가 도시된다. 본 발명의 다양한 실시예 중 하나에 따른 컴퓨팅 시스템에 의해 수행되어 원격 근무를 위한 사용자 단말의 원격 접속과 워터마크 표시를 제어하는 방법으로서, 사용자 단말로부터 수신된 원격 근무 사전신청을 승인하는 단계; 사용자 단말로부터 원격 근무를 위한 원격 접속 요청을 수신하는 단계; 상기 원격 접속 요청에 따른 보안 서약의 동의를 상기 사용자 단말에 요청하는 단계; 상기 보안 서약의 동의가 수신되는 경우, 상기 사용자 단말이 미리 지정된 원격 근무 가능 장비인지를 확인하는 단계; 및 상기 사용자 단말이 미리 지정된 원격 근무 가능 장비인 경우, 상기 컴퓨팅 시스템에 대한 사용자 단말의 원격 접속을 허용하고, 상기 원격 접속이 유지되는 동안 원격 접속과 관련된 워터마크 정보가 사용자 단말에 표시되도록 상기 사용자 단말을 제어하는 단계를 포함하여 구성될 수 있다.
Patent KR-20220085187-A (KR)
Inventor: KIM JO SEOB
IPC: H02S40/38
Filed: 2020-12-15
Abstract: 본 발명은 건물일체형 태양광·태양열 시스템에 관한 것으로서, 건물의 외장재로 사용되도록 건물의 외벽 또는 지붕에 설치되며, 태양광을 이용하여 전기 에너지 및 열 에너지를 생산하는 BIPVT(Building Integrated Photovoltaic and Thermal) 모듈, 상기 BIPVT 모듈로부터 생산된 전기 에너지를 변환하기 위한 컨버터, 상기 컨버터를 통해 전기를 충전하거나 방전하기 위한 배터리, 상기 BIPVT 모듈로부터 생산된 열 에너지를 저장하고, 교환하고, 전달하기 위한 축열조 및 상기 배터리에 저장된 전기 에너지와 상기 축열조에 저장된 열 에너지를 건물 내부의 각 부하에 전달하고, 전기 에너지의 저장과 사용 현황 및 열에너지의 저장과 사용 현황을 실시간으로 모니터링하고 제어하는 제어장치를 포함한다. 본 발명에 의하면, 효율적으로 태양에너지를 활용할 수 있다는 효과가 있다.
Patent KR-20220089506-A (KR)
Title: 블록체인 기반 전력 데이터 공유 시스템 및 방법
Inventor: LEE TAE YOUNG
IPC: G06Q20/06
Filed: 2020-12-21
Abstract: 본 발명에 따른 블록체인 기반 전력 데이터 공유 방법은 (a) 전력 데이터 공유 플랫폼이 복수의 고객과 전력 데이터 수집을 위한 계약을 체결하는 단계; (b) 상기 전력 데이터 공유 플랫폼이 참여사와 상기 전력 데이터 제공 또는 저장 계약을 체결하는 단계; (c) 상기 전력 데이터 공유 플랫폼이 상기 (a)단계에서 계약이 체결된 복수의 고객이 보유한 고객 단말기들로부터 전력 데이터를 상시적으로 수신하여 수집하는 단계; (d) 상기 전력 데이터 공유 플랫폼이 상기 (b)단계에서 전력 데이터 제공 계약이 체결된 참여사의 참여사 단말기를 통해 전력 데이터 이용요청을 수신하는 단계; (e) 상기 전력 데이터 공유 플랫폼이 상기 (d)단계에서 전력 데이터 이용요청 수신에 따라 수집한 전력 데이터를 상기 참여사 단말기로 제공하는 단계; 및 (f) 상기 전력 데이터 공유 플랫폼이 상기 (e)단계에서 전력 데이터를 제공하고 받은 사용료를 전력 데이터를 제공해준 상기 고객 단말기와, 블록체인 운영사로 참여한 참여사 단말기를 통해 가상화폐로 정산하는 단계;를 포함하여 데이터의 집중화 및 독점화를 예방할 수 있고, 탈중앙화가 가능한 효과가 있고, 전력 데이터를 공유함으로써 신규 비즈니스 개발이 활성화될 수 있는 효과가 있다.
Patent KR-20220090171-A (KR)
Inventor: DANIEL LEE
IPC: G10L15/26
Filed: 2020-12-22
Abstract: 본 발명은 음성 신호를 인식하고, 인식된 결과에 기초하여 인공지능 학습을 수행할 수 있는 음성 인식 장치 및 그것의 제어 방법에 관한 것이다. 보다 구제척으로 본 발명은, 음성 인식 모델에 기초하여 음성 신호를 인식하여 문자로 변환한 인식 텍스트를 획득하고, 상기 인식 텍스트에 대해 적어도 하나의 보정 작업을 수행한 보정 텍스트를 획득하며, 상기 인식 텍스트와 상기 보정 텍스트에 기초하여 상기 음성 인식 모델을 학습하는 음성 인식 장치 및 그것의 제어 방법에 관한 것이다.
Patent KR-20220091621-A (KR)
Title: Method And System for Providing Virtual Interface by using Star Network
Inventor: LEE EUN SEUNG
IPC: H04L43/00
Filed: 2020-12-23
Abstract: Disclosed are a virtual interface providing method using a star network and a system thereof. The present embodiment provides the virtual interface providing method using a star network and the system thereof which form a multi-link that continuously connects peers up to the maximum number of connectable peers (N) after scanning all peers around a dongle and perform extended connection for forming a virtual multi-link with a new peer by using the dongle and an already connected peer if there is a peer that exceeds the maximum number of connectable peers (N) among all the peers.
Patent KR-20220094842-A (KR)
Inventor: YANG SUK GEONG
IPC: E02D17/04
Filed: 2020-12-29
Abstract: The present invention relates to a furring strip spacer installed between a furring strip installed in front of an outer wall and the outer wall to connect the outer wall and the furring strip with each other. The furring strip spacer includes: a U-shaped first bracket having a front side fixed and combined with the front of the outer wall, and having coupling holes formed to be penetrated on plate surfaces on both sides to have an open front side; a second bracket having coupling holes formed to be penetrated on both sides such that both sides can be inserted and coupled with the front of the first bracket to be overlapped with both sides of the first bracket, having an open front side, and having a rear side connected with the furring strip; and an angle adjustment means adjusting an angle formed by the rear side of the second bracket with respect to the front side of the first bracket to enable the second bracket to be coupled with the first bracket. Therefore, the furring strip spacer can precisely adjust a gap between a retaining structure wall and a furring strip such that equal earth pressure can be exerted to the retaining structure wall, thereby equally distributing back earth pressure to secure the stability of earth pressure, and such that the earth pressure can be stabilized, thereby significantly reducing the subsidence of the backside or the displacement of the ground, which can lead to safe construction.
Patent KR-20220095020-A (KR)
Title: Pipe flange hole center mediation device
Inventor: KU GI JONG
IPC: F16L23/02
Filed: 2020-12-29
Abstract: The present invention relates to a center adjustment device that can quickly check a center line between a pair of fastening holes to reduce a time required for setting work, as well as prevent accidents of workers, and more specifically to the center adjustment device for adjusting the center between an upper fastening hole and a lower fastening hole facing each other, comprising: a laser oscillator for irradiating a linear laser; a jig having the laser oscillator inserted and mounted to the inside thereof, and coupled to an upper fastening hole in a shape fit on the outer surface thereof; and a detector having a display means formed on the outer surface of a reflective film to check the position of the laser irradiated from the laser oscillator, wherein the display means is formed with a center point, and the center point is disposed coincident with a central point of the lower fastening hole.