baber/WOPTO huggingface dataset:
Patent KR-102306273-B1 (KR)
Title: Seismic Switchgear (High-tension Panel, Low-tension Panel, Motor Control Center, Panel Board)
Inventor: CHOI DAE WOO
IPC: F16F15/02
Filed: 2021-05-04
Granted: 2021-09-29
Abstract: The present invention relates to a distribution board (a high-tension panel, a low-tension panel, a motor control panel, and a panel board) with a seismic device which can stably support a distribution board by reducing shaking between sliding movements caused by vibration while having a simple installation structure. To achieve the objective, according to the present invention, the distribution board (a high-tension panel, a low-tension panel, a motor control panel, and a panel board) with a seismic device comprises: a main body wherein the upper and lower surfaces thereof are opened and a penetration hole opened in a prescribed angle range is formed on one side thereof; an upper plate having a convex guide part protruding to be curved downwards to have a prescribed diameter on the lower surface thereof while covering the opened upper surface of the main body; a lower plate having a concave guide part protruding to be curved upwards to have a prescribed diameter on the upper surface thereof while covering the opened lower surface of the main body; and a sliding unit wherein one end thereof is installed between the convex guide part and the concave guide part, and the other end thereof is withdrawn out of the main body through the penetration hole to be fixed and installed on the distribution board. A first and a second ball caster having a ball of a prescribed diameter installed thereon to come in rolling contact with the convex guide part and the concave guide part are installed on one end of the sliding unit. The first and second ball casters are slid and moved within the same vertical height interval through the convex guide part and the concave guide part.
Patent KR-102310408-B1 (KR)
Title: Fire protection system for exterior walls of buildings
Inventor: CHOO WON HO
IPC: C09K5/02
Filed: 2021-05-14
Granted: 2021-10-08
Abstract: Provided is a fire-fighting system on an exterior wall of a building. The fire-fighting system of the exterior wall of the building has a heat insulating material layer disposed on a support structure installed on the exterior wall surface of the building with a predetermined wall gap from the exterior wall surface. An objective of the present invention is to provide the fire-fighting system on the exterior wall of the building, for preventing spread of a fire due to an insulating material and effectively suppressing the fire. An object of the present invention is to provide a fire-fighting system for an exterior wall of a building for preventing the spread of fire due to an insulating material and effectively suppressing a fire.
Patent KR-102309683-B1 (KR)
Title: machine learning automated warehouse system
Inventor: KIM KYUNG JAE
IPC: B65G1/137
Filed: 2021-05-20
Granted: 2021-10-08
Abstract: The present invention relates to a machine learning-based automated warehousing system, and more specifically, to a machine learning-based automated warehousing system which has storage boxes where a plurality of products are accommodated and warehouses where each product is stored as a single product to allow an appropriate amount of products to be released dependent on whether a large amount or a small amount is released and increase of turnover of the products stored in the warehouse, thereby preventing a decrease in warehouse efficiency, which is caused by the storage of unnecessary products. The machine learning-based automated warehousing system in accordance with the present invention comprises: a storage warehouse where the storage boxes containing the products inside are stored; a distribution warehouse where distribution boxes containing the products are stored; and a supply conveyor connecting the storage warehouse and the distribution warehouse. In addition, a subdivision processing unit is installed at one side of the storage warehouse to subdivide a plurality of the products accommodated in the storage boxes and accommodate the subdivided products in the distribution boxes and the supply conveyor transfers the distribution boxes processed in the subdivision processing unit to the distribution warehouse. Accordingly, products will be released from the storage warehouse when a large number of products are released and will be released from the distribution warehouse when a small number of products are released.
Patent KR-102595178-B1 (KR)
IPC: A61B18/14
Filed: 2021-05-21
Granted: 2023-10-26
Abstract: 본 발명은 전기 수술 핸드피이스의 케이블 조립체에 관한 것으로서, 핸드피이스 제조 과정에서 핸들링이 매우 간편하여 생산성을 획기적으로 향상시킬 수 있는 전기 수술 핸드피이스의 케이블 조립체에 관한 것이다.
Patent KR-102313498-B1 (KR)
Title: Cosmetic composition of whipping cream type for skin cleansing
Inventor: CHOI SOL
IPC: A61Q1/14
Filed: 2021-06-08
Granted: 2021-10-15
Abstract: The present invention relates to a cleansing cosmetic composition in a whip cream form comprising sodium cocoyl isethionate, organic glycerin, coco-betaine, stearic acid, 1,2-hexanediol, and niacin amide; and a method for preparing the composition. The cosmetic composition of the present invention is novel by having a whip cream form, exhibits excellent feeling of use, and ensures excellent cleansing force based on nature-derived substances, thereby being used as an environmentally friendly cleaning product in addition to skin health treatment.
Patent KR-102303102-B1 (KR)
Title: Vibration control damper for seismic retrofitting of structures
Inventor: YOUN CHEOL HE
IPC: E04H9/02
Filed: 2021-06-11
Granted: 2021-09-16
Abstract: The present invention provides a damper for reinforcing the seismic performance of a building structure. The damper comprises: an inner tube having a plurality of first wire grooves; a first connection part fixed to an outer tube, having a first rod integrally formed on an inner side of the center thereof to be inserted into the inner tube, having a first clevis eye integrally formed outside the center thereof, and having a plurality of first sockets arranged at the edge thereof; an inner end plate fixed to the inner tube, having a through hole formed in the center thereof, having a plurality of second sockets arranged at the edge thereof, and having a plurality of third sockets formed between the through hole and the second sockets; a second connection part having a second rod movably inserted into the inner tube, having a plurality of second wire grooves formed on the outer circumference of the second rod, and having a second clevis eye integrally formed at one front end of the second rod and exposed to the outside of the inner end plate through the through hole; a plurality of first wires inserted into the first wire grooves of the inner tube, and fixed to the first sockets of the first connection part and the second sockets of the inner end plate; an anchor head fixed to an opposite front end of the second connection part, and having a plurality of fourth sockets arranged at the edge thereof; and a plurality of second wires inserted into the second wire grooves of the second connection part, and fixed to the third sockets of the inner end plate and the fourth sockets of the anchor head.
Patent KR-102367958-B1 (KR)
Inventor: PARK JUNG KYOU
IPC: G06Q50/10
Filed: 2021-06-12
Granted: 2022-02-28
Abstract: The present specification discloses a multi-use facility environmental information monitoring system. According to an embodiment of the present invention, a system includes: a monitoring device (10) for measuring environmental information on an indoor space of a multi-use facility; a server (20) for receiving and managing the environmental information; and a user terminal (30) in which an application for monitoring the environmental information is executed. The present invention provides a user-centered online monitoring service for environmental information of the multi-use facility.
Patent KR-102547526-B1 (KR)
Title: 골프 타수 카운터
IPC: A63B71/06
Filed: 2021-06-18
Granted: 2023-06-26
Abstract: 골프 타수 카운트가 개시된다. 개시된 골프 타수 카운터는, 전원 온/오프 버튼; 눌려질 때 1 타 증가 신호를 발생시키는 타수 증가 버튼; 눌려질 때 1 타 감소 신호를 발생시키는 타수 감소 버튼; 눌려질 때 리셋 신호를 발생시키는 리셋 버튼; 상기 1타 증가 신호가 발생하면 타수 카운트 값을 1 만큼 증가시키고, 상기 1타 감소 신호가 발생하면 타수 카운트 값을 1 만큼 감소시키고, 상기 리셋 신호가 발생하면 타수 카운트 값을 0으로 리셋하는 카운팅부; 상기 카운팅부에 의해 카운팅된 타수 카운트 값을 표시하는 표시부; 및 상기 카운팅부 및 상기 표시부를 제어하는 제어부를 포함한다.
Patent KR-102561159-B1 (KR)
IPC: H01R25/16
Filed: 2021-06-28
Granted: 2023-07-27
Abstract: 본 발명의 전기전도성이 향상된 버스바의 결합 구조체는, 구리로 이루어지고 상하방향으로 적층 배치되는 제1버스바 및 제2버스바와; 상하방향으로 적층된 상기 제1버스바의 일단 일면과 상기 제2버스바의 일단 일면 사이에 배치되는 보조금속과; 상기 제1버스바와 제2버스바를 관통하여 체결하는 체결부재;를 포함하여 이루어지되, 상기 제1버스바의 일단 일면 및 제2버스바의 일단 일면에는 미세한 요철 및 요홈이 형성되어 있고, 상기 보조금속은 구리보다 용융점이 낮은 재질로 이루어지며, 상기 보조금속은 열에 의해 용융된 후 건조되면서 상기 요홈이 충진되고, 상기 요홈에 충진되어 있는 상기 보조금속의 높이는 상기 요철의 높이와 동일하며, 상기 체결부재에 의해 상기 제1버스바의 일단 일면과 상기 제2버스바의 일단 일면이 서로 접하면서 결합되었을 때, 상기 제1버스바의 일단에 형성된 제1요철과 상기 제2버스바의 일단에 형성된 제2요철은 서로 접하면서 그 사이의 요홈에 상기 보조금속이 충진되어, 상기 제1버스바의 일단 일면과 제2버스바의 일단 일면의 면접촉 면적이 증가되어 전기전도성이 향상되는 것을 특징으로 한다.
Patent KR-102403635-B1 (KR)
Inventor: JUNG SE IN
IPC: B25J11/00
Filed: 2021-06-29
Granted: 2022-05-30
Abstract: An objective of the present invention is to reduce the loss in costs caused by rework and discarding of materials caused by defects. According to the present invention, a robot control system comprises: a robot driving part (10) including a welding gun for performing machining; a power supply part (11) applying a current to the robot driving part (10); a smart robot control device (30) acquiring state information from a plurality of sensors provided on the power supply part (11) and the robot driving part (10), and generating a control signal for controlling driving of the power supply part (11) and the robot driving part (10) based on an artificial intelligence-based learning module; and a machining jig unit (100) allowing the robot driving part (10) to be installed thereon, and providing a first workpiece (M1) to be machined by the robot driving part (10) for the robot driving part (10). The machining jig unit (100) includes a robot driving part side body (110) on which the robot driving part (10) is installed, and a workpiece side body (120) installed next to the robot driving part side body (110) and allowing the first workpiece (M1) to be mounted thereon. The workpiece side body (120) is linked to and fixed on the robot driving part side body (110) to stably machine the first workpiece (M1) through the robot driving part (10).
Patent KR-102304439-B1 (KR)
Title: The apparatus for identifying metallic foreign components
Inventor: SHIN JOONG WON
IPC: G01V3/08
Filed: 2021-06-30
Granted: 2021-09-24
Abstract: The present invention relates to an apparatus for detecting metallic foreign substances. More specifically, the present invention relates to an apparatus for detecting metallic foreign substances, which is capable of fundamentally blocking vibrations transferred to a detection unit, and improves the detection strength. According to an embodiment of the present invention, the apparatus for detecting metallic foreign substances comprises: a first frame supporting a returning unit which moves a subject; and a second frame supporting a detection unit which detects the presence or absence of metallic foreign substances in the subject. With a lower end of each of the first frame and the second frame, a first height control support and a second height control support are engaged, which are able to control the height. When the apparatus for detecting metallic foreign substances is fixed on the ground surface, after the second height control support comes in contact with and is supported on the ground surface, the second frame is moved from the first frame upward just by the control motion of the second height control support. When the apparatus for detecting metallic foreign substances is moved, after a castor formed on a lower end of the first frame comes in contact with the ground surface and is allowed to be moved, the second frame comes in contact with the first frame and is allowed to be moved as one with the first frame along with the first height control support and the second height control support being apart from the ground surface.
Patent KR-102359307-B1 (KR)
Title: multistage type vertical hydroponic cultivation device
Inventor: JEON YU MIN
IPC: A01G9/12
Filed: 2021-06-30
Granted: 2022-02-08
Abstract: The present invention relates to a vertical multi-stage hydroponic cultivation apparatus for year-round production of fruit and vegetable crops. The vertical multi-stage hydroponic cultivation apparatus for year-round production of fruit and vegetable crops according to the present invention comprises: support frames that are made of a preset height and width, configured such that one frame and another frame are arranged to face each other at a distance, and each of which has an inverted U-shape with an arcuate upper end; a first support member that is formed in the shape of a plate and connected between one inverted U-shaped support frame and another inverted U-shaped support frame; and a second support member that is formed in the shape of sticks in a row, installed above the first support member, and connected between one inverted U-shaped support frame and another inverted U-shaped support frame.
Patent KR-102365139-B1 (KR)
Title: Step-by-step method of classifying dementia patients based on eeg data analysis, server and computer program
Inventor: KANG SEUNG WAN
IPC: G06N3/04
Filed: 2021-07-01
Granted: 2022-02-25
Abstract: The present invention provides a step-by-step method, a server, and a computer program for classifying dementia patients based on brainwave data analysis, which can identify a patient currently suffering from dementia and select users with a dementia occurrence possibility among users in a normal state in an early stage. According to various embodiments of the present invention, the step-by-step method for classifying dementia patients based on brainwave data analysis is performed by a computing device and comprises: a brainwave collection step of collecting brainwave data for a plurality of users; a first classification step of analyzing the collected brainwave data to classify the plurality of users into a severe cognitive impairment group or a non-severe cognitive impairment group; a second classification step of classifying a user included in the non-severe cognitive impairment group into a normal group or an amnestic mild cognitive impairment (aMCI) group; and a third classification step of classifying a user included in the normal group into a group in a normal range or a cognitive impairment latency group, and classifying a user included in the amnestic mild cognitive impairment group into a mild cognitive impairment group instead of Alzheimer or a predementia mild cognitive impairment group.
Patent KR-102524936-B1 (KR)
IPC: G01S19/42
Filed: 2021-07-01
Granted: 2023-04-21
Abstract: 수직구 연직도 관리 장치 및 시스템에 관한 것이며, 수직구 연직도 관리 장치는, CIP(Cast-In place Pile) 천공 작업을 수행하는 천공장비의 리더부에 구비되어 연직도 정보를 측정하는 리더 센서, 상기 천공장비의 바디부에 구비되어 상기 바디부의 기울기 정보를 측정하는 바디 센서 및 상기 리더 센서에서 측정된 상기 연직도 정보를 기반으로 보정 정보를 생성하고, 상기 바디 센서에서 측정된 상기 기울기 정보가 기 설정된 한계값을 초과시 알림 정보를 생성하는 제어부를 포함할 수 있다.
Patent KR-102349129-B1 (KR)
Title: Auger-type ice maker with mass productivity and manufacturing method the same
Inventor: KIM YOUN SU
IPC: B29C45/14
Filed: 2021-07-02
Granted: 2022-01-11
Abstract: The present invention relates to an auger-type ice maker with mass productivity and a manufacturing method thereof, wherein the auger-type ice maker has mass productivity, and can drastically lower manufacturing costs while maintaining the same external components and functionality as a conventional technique by manufacturing a shaft unit, which is relatively easy to cut in an auger of an ice maker, by cutting and integrating a helical wing unit, which is difficult to machine, with the shaft unit to form the helical wing unit by injection molding. The auger-type ice maker comprises: an ice making container; an auger concentrically installed in the ice making container; a refrigerant circulation unit installed on the circumferential surface of the ice making container; an ice discharge unit installed in an upper portion of the auger and provided with an ice former; and a driving means of the auger. The auger includes: a driving means coupling end formed on a shaft; a discharge unit installation end; and a helical wing positioned between the driving means coupling end and the discharge unit installation end, and sticking to the inner wall of the ice making container. The auger further includes: a shaft unit having the driving means coupling end in a lower portion thereof, the discharge unit installation end in an upper portion thereof, and a wing unit coupling end between the driving means coupling end and the discharge unit installation end; and a helical wing unit having the helical wing formed on the wing unit coupling end of the shaft unit by insert injection.
Patent KR-102337554-B1 (KR)
Title: User-customized recommendation system based on user data and operating method thereof
Inventor: LEE SI HYEON
IPC: G06F21/62
Filed: 2021-07-27
Granted: 2021-12-13
Abstract: Various embodiments of the present disclosure relate to a user-customized recommendation system based on user data and to an operating method thereof. The user-customized recommendation system based on a classification model includes: a user device which converts user data into privacy protection data through a privacy protection mechanism, and transmits the data; and a server which selects one hypothesis function to be used for generating recommendation data from among hypothesis functions for user data, based on the privacy protection data received from the user device.
Patent KR-102566447-B1 (KR)
IPC: B60C11/03
Filed: 2021-07-28
Granted: 2023-08-14
Abstract: 본 발명은 레인드롭 형상의 그루브 구조를 갖는 공기입 타이어에 관한 것으로, 보다 상세하게는 트레드 외측에서 내측을 향해 그루브 폭이 확장되도록 이루어지는 레인드롭 형상의 그루브 구조를 갖는 공기입 타이어에 관한 것이다. 
본 발명의 일 실시예에 따른 원주방향을 따라 인입 형성된 그루브를 포함하는 타이어 트레드 구조에 있어서, 상기 그루브는, 트레드 표면으로부터 반경방향으로 연장 형성되는 서브그루브와, 상기 서브그루브의 일단으로부터 연장 형성되며, 내부에 소정의 공간을 형성하는 캐비티를 포함하는 것을 특징으로 한다.
Patent KR-102369979-B1 (KR)
Title: Pad for heating perm used as both dry type and wet type and heating perm method using the same
Inventor: KIM BYEONG GU
IPC: A45D2/12
Filed: 2021-08-09
Granted: 2022-03-04
Abstract: The present invention relates to a dry-wet combined hot perm pad that can be used for both dry hot perm and wet hot perm of hair. The pad for hot perm according to the present invention comprises: a non-woven fabric having a rectangular shape; and a Teflon sheet of the same size as the non-woven fabric. The present invention is configured such that in a state where the non-woven fabric and the Teflon sheet are overlapped in an identical way, the non-woven fabric and the Teflon sheet are coupled to each other by a coupling member at two opposite edges among four edges, and the remaining two edges are left open.
Patent KR-102613988-B1 (KR)
Title: 복수개의 치아에 대한 파노라마 이미지를 획득하는 방법, 디바이스 및 기록매체
IPC: A61B6/14
Filed: 2021-08-12
Granted: 2023-12-15
Abstract: 일 실시 예에 따라, 복수개의 치아에 대한 투영 이미지에서 사용자 입력에 따라 선택된 경추 영역을 엑스선 출력부의 이동 속도 또는 이동 경로에 반영하여 파노라마 이미지를 획득함으로써, 환자의 경추로 인해 발생하는 파노라마 이미지 품질 저하를 최소화시키고, 효과적으로 파노라마 이미지의 품질을 향상시킬 수 있는 방법, 디바이스 및 기록매체가 개시된다.
Patent KR-102570641-B1 (KR)
Title: 장비 전단부 모듈 툴버퍼 제어 시스템
IPC: H01L21/677
Filed: 2021-08-23
Granted: 2023-08-25
Abstract: 본 발명의 일 양상에 따르는 툴버퍼 제어 시스템은 장비 전단부 모듈의 로드 포트에 로드할 웨이퍼 캐리어를 수용하거나 장비 전단부 모듈의 로드 포트로부터 언로드된 웨이퍼 캐리어를 수용하는 복수의 버퍼 포트와 버퍼 포트와 로드 포트 사이의 웨이퍼 캐리어 반송을 수행하는 호이스트 모듈을 포함하는 툴버퍼와, 버퍼 포트 또는 로드 포트의 웨이퍼 캐리어 수용 가능 여부를 판단하여 호이스트 모듈의 웨이퍼 캐리어 반송을 제어하고 버퍼 포트를 툴버퍼 운용 모드에 따라 각각 양방향 반송용도, 하향 반송용도, 상향 반송용도, 임시 반송용도 중 하나의 용도로 설정하는 제어기를 포함하여 웨이퍼 캐리어의 반송을 제어한다.
Patent KR-102565988-B1 (KR)
IPC: F01D25/30
Filed: 2021-08-25
Granted: 2023-08-09
Abstract: 본 발명은 배기 디퓨저 시스템 및 이를 포함하는 가스 터빈에 관한 것으로, 보다 상세하게는 진동 조절 장치가 배치된 배기 디퓨저 시스템 및 이를 포함하는 가스 터빈에 관한 것이다. 이러한 본 발명에 따르면, 배기 디퓨저 시스템은 가스 터빈에서 발생하는 진동을 효과적으로 흡수할 수 있고, 이에 더하여 가스 터빈의 내구성을 향상시킬 수 있다는 효과가 있다.
Patent KR-102615080-B1 (KR)
Title: 애플리케이션 코드 은닉 장치, 애플리케이션 코드 은닉 방법 및 애플리케이션 코드 은닉 방법을 실행시키도록 기록매체에 저장된 컴퓨터 프로그램
IPC: G06F21/12
Filed: 2021-09-01
Granted: 2023-12-15
Abstract: 개시된 발명의 일 실시예에 따른 응용 프로그램 패키지의 소스 코드에 포함된 보호 대상 코드를 보호하기 위한 애플리케이션 코드 은닉 방법은, 입력부에 의해, 적어도 하나 이상의 실행 파일이 포함된 원본 응용 프로그램 패키지를 수신하는 단계; 추출부에 의해, 상기 원본 응용 프로그램 패키지를 압축 해제하여 상기 보호 대상 코드를 추출하는 단계; 리팩부에 의해, 어느 상기 실행 파일에도 포함되지 않는 패딩 공간을 상기 원본 응용 프로그램 패키지의 소스 코드에 추가하여 보호 응용 프로그램 패키지를 생성하는 단계; 및 코드 주입부에 의해, 상기 보호 응용 프로그램 패키지의 패딩 공간에 상기 보호 대상 코드의 바이너리 정보를 덮어씌워 상기 보호 대상 코드를 상기 패딩 공간에 저장하는 단계;를 포함할 수 있다.
Patent KR-102393362-B1 (KR)
Title: Method and electronic device for providing cart page in merchandise selling service
Inventor: KANG SEUNG HEE
IPC: G06Q30/02
Filed: 2021-09-02
Granted: 2022-05-03
Abstract: The present invention relates to a method for providing a cart page in an electronic device for a merchandise selling service, which comprises the following steps of: receiving selected information on at least one piece of merchandise from a terminal of a user who uses the service; assigning at least one selected merchandise to a list corresponding to one of a first category and a second category, based on a category of the merchandise; and providing a cart page to the terminal, which includes first cart information related to the first category and a first area displaying a first merchandise list corresponding to the first category among at least one merchandise, wherein the first cart information can be determined, based on merchandise information and user information included in the first merchandise list. Accordingly, the user can be induced to join the membership and user convenience can be enhanced.
Patent KR-102522300-B1 (KR)
IPC: B60T8/172
Filed: 2021-09-02
Granted: 2023-04-19
Abstract: 본 발명에 의하면, 브레이크 페달이 운전자에 의해 가압되어 차량이 정지되었음을 감지하는 차량정지감지부; 가속 페달이 운전자에 의해 가압되어 차량이 출발하는 것을 감지하는 차량출발감지부; 차량정지감지부로부터 감지된 차량의 정지 상태가 일정시간 유지시 정방향으로 구동되고 차량출발감지부로부터 감지된 차량의 출발시 역방향으로 구동되는 구동부; 구동부로부터 정방향 회전력 전달시 정방향으로 회동되고 브레이크 페달을 구속시켜 차량의 정지상태를 유지시키거나 구동부로부터 역방향 회전력 전달시 역방향으로 회동되고 브레이크 페달의 구속상태를 해제시키는 구속부; 및 상기 구성부들에 전기적으로 접속되고 상기 구성부들의 동작을 제어하는 제어부를 포함하는 차량용 오토홀드장치가 제공된다.
Patent KR-102574091-B1 (KR)
Title: 매립 가스 유래 바이오 황을 이용한 시멘트 6가 크롬 저감제, 및 그 제조방법
IPC: C04B22/14
Filed: 2021-09-28
Granted: 2023-09-01
Abstract: 본 발명은 매립 가스 유래 바이오 황을 이용한 시멘트 6가 크롬 저감제, 및 그 제조방법에 관한 것으로, 보다 상세하게는 시멘트 중에 존재하는 6가 크롬을 저감하기 위한 시멘트 6가 크롬 저감제에 있어서, 매립가스 유래 바이오 황 슬러지와, 황이온 교환체를 포함하며, 상기 바이오 황 슬러지 10 ~ 90중량 %; 및 상기 황이온 교환체 10 ~ 90중량 %를 포함하여, 기존 환원제 사용시 환경오염 및 시멘트 유통과정에서의 산화 과정에 의한 6가 크롬 환원제 특성 저감을 억제하고 이로 인해 시멘트 내에 6가 크롬 환원제의 과량첨가에 따른 시멘트 품질저하의 문제점을 해결할 수 있으며, 또한 대규모로 배출되는 매립 가스 유래 바이오 황 슬러지를 기존 유황비료 및 농약 등에서 소량 소비되는 문제를 시멘트 6가 크롬 저감제로 사용함으로써 꾸준하게 대량으로 소비할 수 있는, 매립 가스 유래 바이오 황을 이용한 시멘트 6가 크롬 저감제, 및 그 제조방법에 관한 것이다.
Patent KR-102376589-B1 (KR)
Inventor: CHO MYUNG SUB
IPC: B29C48/00
Filed: 2021-10-06
Granted: 2022-03-18
Abstract: The present invention relates to a method for manufacturing a mouthpiece for wind instruments, and more specifically, to a method for manufacturing a mouthpiece for wind instruments, wherein in manufacturing a mouthpiece used by a mouth when playing a wind instrument, a mouthpiece having excellent resonance is manufactured by mixing a mineral material with high rigidity and synthetic resin to enable easy play and to provide clear and rich sound, a manufacturing process is improved to enable mass production and to reduce manufacturing costs, and discarded waste resources are recycled to be eco-friendly. The present invention comprises the steps of: pulverizing a first material composed of synthetic resin and a second material composed of mineral; mixing the first material and the second material in a certain ratio; melting the mixed material and continuously extruding a primary molded object with a constant section shape; cutting the extruded primary molded object at constant intervals; and forming a secondary molded object by processing the cut primary molded object in the shape of a mouthpiece.
Patent KR-102364957-B1 (KR)
Title: 촬상 광학계
IPC: H04N5/225
Filed: 2021-10-12
Granted: 2022-02-18
Abstract: 본 발명의 촬상 광학계는 상 측면이 오목한 형상인 제1렌즈; 물체 측면이 볼록한 형상인 제2렌즈; 물체 측면이 볼록한 형상인 제3렌즈; 상 측면이 볼록한 형상인 제4렌즈; 상 측면이 볼록한 형상인 제5렌즈; 및 상 측면이 오목하고 상 측면에 변곡점이 형성되는 형상인 제6렌즈;를 포함한다.