baber/WOPTO huggingface dataset:
Patent KR-20220159792-A (KR)
Inventor: LEE GA JIN
IPC: B23Q3/06
Filed: 2021-05-26
Abstract: A semi-automatic finishing machine (1) only for a differential carrier (100) of the present invention includes a 3-axis motion unit (40) which generates a side-to-side motion of a transfer table (20) on a work table (10), where the differential carrier (100) is fixed by a clamp (30), in an x-axis direction in an xyz coordinates system, and a forward-backward motion toward the differential carrier (100) in a y-axis direction and an up-down motion in a z-axis direction of a high-frequency spindle (80) for finishing the differential carrier (100). Therefore, during a finishing process with the differential carrier (100) fixed by the clamp, the manual work role of a worker is excluded, which ensures uniform quality. In particular, the automatic movement of the differential carrier (100) by an x-axis ball screw device (50) of the 3-axis motion unit (40) can solve the fatigue problem of workers while maintaining the continuity of work.
Patent KR-20220074695-A (KR)
Title: 정형 및 비정형 및 반정형 정보를 사용한 표에 특화된 기계독해 시스템 및 방법
Inventor: KWON HYUKCHUL
IPC: G06F40/30
Filed: 2021-05-26
Abstract: 본 발명은 기계가 주어진 지문과 질문을 이해하여 지문 내에서 답변 영역을 평문뿐만 아니라 표, 리스트와 같이 일정한 형식을 갖춘 데이터에서 찾아 효율적인 대응이 가능하도록 한 정형 및 비정형 및 반정형 정보를 사용한 표에 특화된 기계독해 시스템 및 방법에 관한 것으로, 표 데이터에 특화된 언어모형 구축을 위한 사전 학습을 하는 사전 학습부;구축된 테이블 특화 언어 모형으로 기계독해 데이터에 대해 학습하는 미세 조정 학습부;미세조정 학습된 테이블 특화 기계독해 모형에 테이블과 사용자의 질문을 입력하고 질문에 대한 답을 출력하는 정답 추론부;를 포함하는 것이다.
Patent KR-20220143537-A (KR)
Inventor: KIM JAE HEE
IPC: H01M50/531
Filed: 2021-05-31
Abstract: The present invention relates to a lead tab molding device for a cylindrical secondary battery in manufacturing a cylindrical secondary battery in which a plurality of lead tabs are annularly arranged at one end of a jelly roll type cylindrical electrode assembly, wherein it is possible that a plurality of lead tabs are bent at right angles to one end of the electrode assembly and folded without deformation or damage during the process. The lead tab molding device for a cylindrical secondary battery, according to one embodiment of the present invention, for bending and molding a plurality of lead tabs at a predetermined angle with respect to an axial direction of an electrode assembly with respect to a cylindrical electrode assembly in which a plurality of lead tabs are arranged in an annular shape at one end, comprises: a jig base having a circular first opening into which a plurality of lead tabs of an electrode assembly are inserted; a driving jig installed to be relatively rotatable with respect to the jig base, and having a second opening corresponding to the first opening of the jig base being opened; and a plurality of forming blades arranged along the circumferential direction between the jig base and the driving jig, and opened and closed in the radial direction inside the first opening and the second opening by rotation of the driving jig with respect to the jig base to press the plurality of lead tabs radially inward at the same time.
Patent KR-20220163051-A (KR)
Title: A method for manufacturing a nozzle assembly of propellant
Inventor: CHOI YEOL KYUNG
IPC: F02K9/97
Filed: 2021-06-02
Abstract: In the present invention, proposed is a new method for manufacturing a nozzle installed at the rear end of a combustion device of a propellant. The nozzle manufacturing method of the present invention includes a first process of forming a plurality of dams on at least one of the outer surface of an inner casing and the inner surface of an outer casing, a second process of assembling the inner casing and the outer casing, and a third process of injecting an adhesive between the inner casing and the outer casing by an RTM method. The dams block the adhesive injected by the RTM method and at the same time pass the adhesive through a passage part therebetween, thereby enabling uniform and sufficient adhesion as a whole.
Patent KR-20220039548-A (KR)
Title: glass-glass laminates, methods for fabricating and cutting the same
Inventor: LEE GOO SOO
IPC: B32B17/10
Filed: 2021-06-02
Abstract: Disclosed are glass-glass laminates. The glass-glass laminate according to one embodiment comprises: a lower part glass layer; an adhesive layer on the lower part glass layer; an upper part glass layer on the adhesive layer; and a decoration layer between the lower part glass layer and the adhesive layer or between the upper part glass layer and the adhesive layer, wherein a thickness of the upper part glass layer smaller than that of a thickness of the lower part glass layer, and a coefficient of thermal expansion of the upper part glass layer may be smaller than that of a coefficient of thermal expansion of the lower part glass layer. Therefore, the present invention is capable of having an improved durability.
Patent KR-20210075920-A (KR)
Title: Method, Computing Device, and Computer-readable Medium for Processing Plurality of Tasks Collected in Crowdsourcing in a Subset Unit
Inventor: LEE YUN TAEK
IPC: G06Q10/06
Filed: 2021-06-04
Abstract: The present invention relates to a method, a computing device, and a computer-readable medium for processing multiple jobs collected in crowdsourcing in a subset unit. In more detail, the present invention relates to the method, the computing device, and the computer-readable medium for processing multiple jobs collected in crowdsourcing in a subset unit. The method includes generating a subset including work results performed by workers through crowdsourcing, and providing the work results included in the generated subset to inspectors to derive an inference result in the subset unit when the inspection of each work result is completed. The present invention can quickly derive the inference result.
Patent KR-20220166677-A (KR)
Title: Battery pack to prevent the spread of fire
Inventor: LEE DONG HWA
IPC: A62C35/02
Filed: 2021-06-10
Abstract: The present invention relates to a battery pack for easily preventing spread of fire, which can prevent the spread of a fire, has excellent cooling performance, and can achieve weight reduction, in which the battery pack comprises: a housing for accommodating a plurality of battery modules in a lower space; a cooling unit provided inside the housing and configured to cool the battery modules; a fire detection unit provided at a position close to the battery modules to determine whether the fire has occurred; and a fire extinguishing unit provided above the housing and spraying a fire extinguishing agent toward the battery modules when the fire detection unit determines that the fire has occurred.
Patent KR-20220167822-A (KR)
Title: Apparatus for manufacturing display device and method for manufacturing display device
Inventor: KIM JONG HYUP
IPC: B05C11/10
Filed: 2021-06-14
Abstract: A manufacturing device of a display device and a manufacturing method of a display device are provided. According to an embodiment, the manufacturing device of the display device comprises: a stage; a discharge port opened toward one side in a first direction opposite to a direction in which gravity acts; and a discharge head configured to move in a second direction crossing the first direction at the other side of the first direction compared to the stage.
Patent KR-20220167610-A (KR)
Title: Manufacturing method of matobionic acid using enzymatic oxidation
Inventor: KIM SEON HONG
IPC: C12P19/04
Filed: 2021-06-14
Abstract: A maltobionic acid preparation method according to the present invention comprises the steps of: preparing a maltose-containing saccharide solution having a solid matter concentration of 15-25 Brix and containing 90 wt% or higher of maltose relative to the total weight of solid saccharide; and adding 4.0-5.0 %(v/w) of carbohydrate oxidase and 0.1-0.8 %(v/w) of catalase, relative to the weight of solid saccharide, to the maltose-containing saccharide solution, and performing an enzymatic oxidation reaction for 15-30 hours at a temperature of 22-35 ℃, at a pH of 6-8, at an aeration rate of 0.9-1.2 vvm, and at a stirring rate of 150-300 rpm, to obtain a reaction product-containing solution. By using the preparation method according to the present invention, the conversion rate of the maltose to a maltobionic acid may be 99 % or higher, and a high-purity maltobionic acid having a purity of 95% or higher and in a powder form may be produced without using separate chromatographic separation.
Patent KR-20220169486-A (KR)
Title: A door that can be fixed anywhere
Inventor: KANG CHAN HYUCK
IPC: E05C17/44
Filed: 2021-06-20
Abstract: The present invention provides a door that can be fixed anywhere, comprising a holder which fixes the door by maximizing friction against the floor through a rubber pad; a lever which lowers the holder to fix the door and release the fixing; and the door to which the holder and the lever are attached.
Patent KR-20220170577-A (KR)
Title: Apparatus for diagnosing insulation performance of power cable and method thereof
Inventor: PARK JAE BIN
IPC: G08C17/02
Filed: 2021-06-23
Abstract: Disclosed are a device for diagnosing the insulation performance of a power cable and a method thereof. The device for diagnosing the insulation performance of a power cable of the present invention comprises: a line connection part connected to a power cable to measure voltage; a ground connection part connected to ground to measure voltage; a resistor to be tested intermediate between both ends of the line connection part and the ground connection part; a diagnostic device for measuring the electrical condition of the power cable through the line connection part and the ground connection part and measuring an abnormal suspected state voltage and a normal state voltage; a communication unit for transmitting the measurement results measured through the diagnostic device through wireless communication; and an insulation diagnosis unit for diagnosing the insulation performance by calculating a shared voltage based on the abnormal suspected state voltage and the normal state voltage input through the communication unit. Accordingly, the safety and accuracy of insulation performance diagnosis can be improved.
Patent KR-20230001613-A (KR)
Title: semiconductor package
Inventor: SONG EUNSEOK
IPC: H01L23/498
Filed: 2021-06-28
Abstract: The present invention relates to a semiconductor package and more specifically comprises: a package substrate; an upper semiconductor chip on the package substrate, wherein the upper semiconductor chip includes a core region in which a power circuit is formed, and a logic cell region in which a logic circuit is formed; and a lower semiconductor chip disposed between the package substrate and the upper semiconductor chip and including a power wiring region vertically overlapping with the core region. The lower semiconductor chip includes: a first substrate having an active surface on which an integrated circuit is formed; and a first through electrode and a second through electrode penetrating the first substrate within the power wiring region wherein the gap between the first through electrode and the second through electrode may be smaller than the width of the first through electrode. According to embodiments of the present invention, the degree of integration of the semiconductor package can be improved by adjusting the formation positions and arrangement spacing of the through electrodes.
Patent KR-20230003882-A (KR)
Title: Camera device
Inventor: LEE DEOK YONG
IPC: H05K1/14
Filed: 2021-06-30
Abstract: A camera device is disclosed. The camera device includes: a lens holder for accommodating a lens; a housing surrounding the lens holder; a substrate part including a sensor substrate on which an image sensor is mounted and a connection substrate connected to the sensor substrate at a lower part of the housing; a base disposed in the lower part of the substrate; and a main substrate disposed in the lower part of the base. The connection substrate has a different thickness from that of the sensor substrate. It is possible to provide a camera device with improved driving efficiency.
Patent KR-20230008494-A (KR)
Inventor: KIM HYO SUNG
IPC: G01S13/90
Filed: 2021-07-07
Abstract: According to an embodiment of the present invention, a system and method for detecting and shooting down a target are able to precisely detect and track a nearby target and a faraway target with radar, optical sensor, acoustic sensor, infrared sensor, and the like, overcome the limits of conventional technology, which include blind spots due to weather conditions, faraway targets, and indicator obstacles, by using an SAR radar and EO/IR sensor, identify a target which is an autonomously flying drone, overcome the problems of missing targets and shortening detection distances by using the SAR radar and the EO/IR sensor for drone targets with a small radar reflection area as a complementary method, and shoot down even targets in a remote place or rapidly approaching by using a laser, jamming transmission devices, guided missile, etc. In addition, various other embodiments can be possible.
Patent KR-20220030163-A (KR)
Title: Resin molding apparatus and resin molded product manufacturing method
Inventor: OKUNISHI YOSHITO
IPC: B29C45/17
Filed: 2021-07-26
Abstract: An object of the present invention is to stably recover unnecessary resin and simplify the structure of a transfer mechanism. The present invention includes: an upper mold (2) formed with a cavity (2a); a lower mold (3) facing the upper mold (2) and having an object to be molded (W1) placed thereon; a mold clamping mechanism (5) clamping the upper mold (2) and the lower mold (3); a pot block (41) provided on the lower mold (3), formed with a pot (41a) for accommodating a resin material (J), and including a protruding part (411) that protrudes from a mold surface of the lower mold (3); and a transfer mechanism (42) including a plurality of plungers (421) disposed inside each of the pots (41a) and moving the plungers (421) to inject the resin material (J) from the pots (41a) into the cavity (2a). The upper mold (2) or the pot block (41) is formed with a connecting part (41d) for connecting remaining unnecessary resin (K) corresponding to each of the pots (41a), and the transfer mechanism (42) moves the plungers (421) by the same amount of movement.
Patent KR-20230016440-A (KR)
Inventor: PARK JUNGSUP
IPC: H04L65/40
Filed: 2021-07-26
Abstract: An electronic device according to various embodiments of the present disclosure includes a transceiver and a control unit. The control unit may: establish an IP multimedia subsystem (IMS) data channel; confirm release of QoS flow assigned to the established IMS data channel; when release of the QoS flow is confirmed, set a retransmission timer; control the transceiver to transmit a reconnection request message for the QoS flow; receive a response message corresponding to the reconnection request message; when a reconnection completion message for the QoS flow is received, cancel the retransmission timer; and provide services using the IMS data channel. When a QoS flow is disconnected, reconnection can be made quickly.
Patent KR-20230017454-A (KR)
Title: Method, Device and Computer Program For Preventing Cheating In Non-face-to-face Evaluation
Inventor: LEE SEUNG HAN
IPC: G06Q50/20
Filed: 2021-07-28
Abstract: Disclosed is a method for preventing cheating in a non-face-to-face evaluation. The method comprises: a first cheating detection step of checking the identity of an examinee based on a facial image extracted from the photographed image of the examinee; and a second cheating detection step of calculating the screen coordinates of the pupil gaze of the examinee from the photographed image of the examinee and determining correspondence to cheating based on the calculated screen coordinates. In the second cheating detection step, non-correspondence to cheating is determined if the calculated screen coordinates are placed in a region inside a screen, and correspondence to cheating is determined if the calculated screen coordinates are placed in a region outside the screen. Therefore, examinees can be prevented from cheating.
Patent KR-20220076285-A (KR)
Inventor: LEE SANG KYU
IPC: E04H1/04
Filed: 2021-08-05
Abstract: 본 발명은 공간 활용성이 향상된 공동주택 벽체 구조에 관한 것이다.  
본 발명의 실시예에 따르면, 내력벽체로 건물 하중을 지지하는 벽식 구조의 공동주택에 있어서, 90도 이상의 둔각(鈍角)으로 내력벽체가 연결될 필요가 있는 절점부를 라멘 구조로 구성함으로써, 절점부 인근 영역의 공간 활용성을 높일 수 있도록 구성된 공간 활용성이 향상된 공동주택 벽체 구조가 개시된다.
Patent KR-20230021964-A (KR)
Title: Formation tray comprising cover
Inventor: KIM MYUNG KI
IPC: H01M4/04
Filed: 2021-08-06
Abstract: The present invention relates to an activation tray including: a tray body having a plurality of cell accommodating units in which a plurality of battery cells are individually accommodated; and a cover which has a plurality of openings corresponding to the plurality of cell accommodating units and is coupled to the tray body in a sliding manner, wherein an edge unit of the opening at a first position of the cover covers a part of the battery cells accommodated in the cell accommodating units to regulate upward movement of the battery cells, and the battery cells are fully opened through the opening at the second position of the cover.
Patent KR-20230022641-A (KR)
Title: Fuel cell system and treatment device for exhaust gas of fuel cell
Inventor: WOO MYEONG NAM
IPC: H01M8/04746
Filed: 2021-08-09
Abstract: The present invention relates to a fuel cell system, comprising: an air supply line which supplies air to a fuel cell stack; a discharge line which is connected to the fuel cell stack and guides exhaust gas exhausted from the fuel cell stack; a discharge adapter which is connected to the discharge line and discharges the exhaust gas to the outside; and a bypass line which has one end connected to the air supply line and the other end connected to the discharge adapter, and selectively bypasses air from the air supply line to the discharge adapter, thereby effectively lowering the concentration of hydrogen in the exhaust gas exhausted from the fuel cell stack.
Patent KR-20230024563-A (KR)
Title: A method for manufacturing liquid food using nuts.
Inventor: LEE SANG MAN
IPC: A23L25/00
Filed: 2021-08-12
Abstract: The present invention relates to a method for manufacturing liquid food using nuts. In general, nuts are consumed as they are commercialized through a processing process such as roasting, so the oil of the nuts is rancid and an off-odor occurs. According to the present invention, the processed nut product is prepared as a semi-solid liquid food, which is easy to ingest, and is filled in a tubular container to be squeezed or eaten by spreading on bread or confectionery. Thus, product variety is increased.
Patent KR-20230028644-A (KR)
Inventor: LEE JUNG JAE
IPC: B60L58/30
Filed: 2021-08-20
Abstract: 본 발명은 연료전지 제어 방법에 관한 것으로서, 연료전지의 적정 운전 온도를 유지할 수 있고, 연료전지의 과냉 및 과열로 인한 플러딩 현상이나 드라이 현상 등의 발생 빈도를 줄여 더 향상된 스택 성능을 유지할 수 있으며, 동절기 시동 성능의 향상 및 연료전지 운전의 최적화를 도모할 수 있는 연료전지 제어 방법을 제공하는데 주된 목적이 있는 것이다. 상기한 목적을 달성하기 위해, 제어기에서 환경 정보 및 연료전지 스택의 상태 정보가 수집되는 단계; 제어기에서 상기 수집된 환경 정보 및 연료전지 스택의 상태 정보로부터 모터 출력 옵셋 값이 결정되는 단계; 제어기에서 상기 결정된 모터 출력 옵셋 값을 기초로 현재 차량 운전 상태에 해당하는 기본 임계 출력이 보정되는 단계; 제어기에서 현재 차량 운전 정보로부터 결정된 모터 요구 출력을 상기 보정된 임계 출력과 비교하여 연료전지의 정지 또는 재시동을 결정하는 단계; 및 제어기에서 상기 결정된 정지 또는 재시동 상태가 되도록 연료전지의 운전 상태를 제어하는 단계를 포함하는 연료전지 제어 방법이 개시된다.
Patent KR-20230029261-A (KR)
Inventor: KIM KEUL BIT
IPC: G06N20/20
Filed: 2021-08-24
Abstract: 본 발명은 모달별 중요도 기반 멀티모달 인공지능 학습 시스템 및 그 방법에 관한 것이다. 
본 발명에 따른 모달별 중요도 기반 멀티모달 인공지능 학습 시스템은, 복수의 모달 입력부를 통해 서로 다른 데이터를 각각 입력받아 서로 동일한 기능을 수행하는 네트워크를 각각 학습하여 서로 다른 잠재 벡터를 각각 추출하는 모달 추출부와; 모달 추출부에서 추출된 서로 다른 복수의 잠재 벡터를 각각 입력받아 인트라 네트워크를 통해 각 모달 간의 연관적인 정보를 학습하고 중간 산출물을 출력하는 인트라 네트워크부; 및 인트라 네트워크부에서 획득한 신호와 산출된 중요도 벡터값을 함께 계산하여 최종 결과를 도출하는 결과도출 네트워크부를 포함한다. 
이와 같은 본 발명에 의하면, 각 모달별로 동일한 기능을 수행하는 독립적인 엔진을 통해 모달 각각에 대해서도 유의미한 잠재 벡터를 추출하여 멀티모달의 입력으로 사용함으로써, 미가공의(raw) 데이터를 입력으로 사용할 때보다 시스템의 성능을 개선할 수 있다.
Patent KR-20220059398-A (KR)
Inventor: LEE SEUNG HWAN
IPC: B26D7/18
Filed: 2021-08-27
Abstract: The present invention relates to an electrode cutting device with a blocking unit and an electrode cutting method using the same. More specifically, the present invention relates to an electrode cutting device which comprises: a mold die including a die body made of metallic flat upper surface, and a suction hole formed on a certain area of the die body; a pressurizing unit moving on the upper side of the mold die vertically for pressurizing an electrode lead (L); and a cutting unit moving vertically on a vertical line of the suction hole and cutting an end unit on one side of the electrode lead (L). On an edge of a side surface or an upper surface of the mold die, a blocking unit is placed to prevent separated matter generated when the electrode lead (L) is cut from scattering. The present invention also relates to an electrode cutting method using the same. The electrode cutting device with a blocking unit and the electrode cutting method using the same are capable of reducing error rate of an electrode.
Patent KR-20230039325-A (KR)
Title: 지퍼
Inventor: PARK KWANG AE
IPC: A44B19/26
Filed: 2021-09-14
Abstract: 본 발명의 지퍼는, 서로 마주하는 한 쌍의 지퍼띠, 상기 지퍼띠에 배열되어 서로 마주하는 이빨들, 및 상기 마주하는 이빨들과 한 쌍의 지퍼띠를 이동하면서 상기 이빨들을 서로 맞물리게 하거나 맞물린 이빨들을 서로 분리하는 슬라이더를 포함하며, 상기 슬라이더는, 상기 지퍼띠를 향하여 돌출되는 스토퍼가 상기 이빨들 사이에 삽입되는 몸체, 상기 몸체의 삽입구로 삽입되어 상기 스토퍼로부터 상기 이빨들을 분리하는 기둥, 및 상기 기둥에 연결되는 손잡이를 포함한다.
Patent KR-20230044808-A (KR)
Inventor: JANG SHIN HYUK
IPC: B65F1/14
Filed: 2021-09-27
Abstract: 본 발명은 쓰레기 봉투 운반구에 관한 것으로서, 고리 형상의 하부 부재 및, 상기 하부 부재에 결합되도록 고리 형상으로 이루어지며 일측에 운반 손잡이를 가진 상부 부재를 포함하여 구성되는 것을 특징으로 하므로, 위생적일 뿐 아니라 바람이 불더라도 쓰레기 봉투의 입구가 말리거나 접히는 경우가 없어 사용이 편리하다는 장점이 있다.
Patent KR-20230044846-A (KR)
Inventor: LEE GEUN SUNG
IPC: H01M4/62
Filed: 2021-09-27
Abstract: 본 발명은 집전체 및 상기 집전체의 일면에 형성된 음극 활물질층을 포함하고, 상기 음극 활물질층은 음극 활물질과, 수계 바인더를 포함하는 바인더 영역을 포함하며, 상기 바인더 영역은 높이가 수계 바인더 입자의 평균 입경의 3 배 이상인 영역인 바인더 네트워크부를 포함하고, 상기 바인더 네트워크부의 면적은 상기 집전체 표면의 전체 면적에 대하여 60 면적% 이하인 것인 음극 및 이를 포함하는 리튬이차전지에 관한 것이다.
Patent KR-20230046098-A (KR)
Inventor: KIM KWEON SOO
IPC: F16J15/3204
Filed: 2021-09-29
Abstract: 본 발명은 굴착기, 포크레인 등 유압실린더가 사용되는 다양한 건설, 토목장치 및 기기장치에 사용되는 실린더용 로드씰에 관한 것으로, 실린더내에서 왕복운동시 피스톤의 접촉면과 실린더의 내벽간의 열상승을 유발시키는 마찰계수를 줄이고 피스톤 복원시 로드씰의 밀림현상을 방지하여 안정성을 도모하여 밀봉력 향상은 물론이고 내구성 향상을 도모함과 동시에 피스톤의 복원시 더스트씰과 로드씰사이에 발생되는 내압을 최소화하여 피스톤의 원활한 복원을 가능하도록 한 실린더용 로드씰 구조에 관한 것으로서, 
구체적인 해결적 수단은, 
"실린더(S)의 내측에는 피스톤(P)이 왕복운동이 가능하도록 형성된 상태에서 상기 실린더(S)의 내주면에는 버퍼링(B), 로드씰(1) 및 더스트씰(D)이 순차적으로 형성되어 있으며, 상기 로드씰(1)은 링형상으로 일측 내주부 중앙에는 탄력성을 갖는 절개확개홈(10)이 형성되어 있고 상기 절개확개홈(10)의 일측에는 제1 내주수직면(11)과 상기 제1 내주수직면(11)과 연하여 그 하측에는 제1 경사면(12)이 구비되어 있으며 상기 제1 경사면(12)과 연하여 바닥면(13)이 형성되어 있고 상기 바닥면(13) 후방 소정의 위치부터 끝단까지는 세그먼트면(14)이 형성되어 있으며 상기 세그먼트면(14)과 연하여 상측으로 외주수직면(15)이 형성되어 있고 상기 외주수직면(15)의 끝단과 연하여 상기 절개확개홈(10)의 타측에는 상면(16)이 형성되어 있으며 상기 상면(16) 끝단에는 제2 경사면(17)이 형성되어 있고 상기 제2 경사면(17)과 연하여 제2 내주수직면(18)이 일체로 형성되어 있는 것을 포함하는 실린더용 로드씰 구조와, 
상기 바닥면(13)은 상기 제1 경사면(12) 끝단에서 중앙점(C)까지 경사각도 15°(θ1)로 한정하고 상기 중앙점(C)에서 소정의 위치까지는 경사각도 9°(θ2)를 이루며 상기 중앙점(C)에서 상기 세그먼트면(14)을 포함한 끝단까지는 경사각도 15°(θ3)로 한정한 것을 포함하는 실린더용 로드씰 구조와, 
상기 세그먼트면(14)과 외주수직면(15)의 연결부위와 상기 외주수직면(15)과 상기 상면(16)의 연결부위는 라운드 처리된 것을 포함하는 실린더용 로드씰 구조와, 
상기 세그먼트면(14)은 소정의 간격을 두고 복수개 이상 형성되어 있는 것을 포함하는 실린더용 로드씰 구조와, 
상기 상면(16)은 상기 제2 경사면(17)에서 상기 외주수직면(15)의 접하는 면까지 일체로 형성되되 상기 제2 경사면(17) 쪽이 상기 외주수직면(15) 쪽보다 상대적으로 상측에 위치하도록 중앙부 가까이가 오목하게 형성되어 있는 것을 포함하는 실린더용 로드씰 구조"를 그 구성적 특징으로 함으로서, 
본 발명은, 로드씰이 피스톤과 실린더 사이에 설치되어 상기 실린더와 피스톤 사이를 흐르는 유압을 기밀하게 밀봉하도록 하는 기본적인 기능이외에 피스톤의 왕복운동중 인입시 접촉 및 마찰되는 로드씰의 면적을 세그먼트면으로 최소화함으로서 더스트씰과 로드씰 사이의 내압을 자연스럽게 빠져 나가도록 함으로서 피스톤의 왕복운동시인 펌프인 & 백(PUMP IN & BACK)의 초고속 반복으로 인하여 내압이 높아져 로드씰의 손상을 방지할 수 있도록 함과 동시에 피스톤의 왕복운동을 규칙적으로 유지가능토록 하며, 
또한, 상기와 같이 유압을 원활하게 제거함으로서 결국 로드씰에 부여된 유압력을 완화시켜 로드씰의 기밀성 기능을 완벽하게 할 수 있도록 로드씰의 수명 연장은 물론이고 피스톤로드의 수명을 연장토록 하며, 
다음, 피스톤로드의 불규칙한 왕복운동 문제를 최소화하고 버퍼링과 로드씰이 피스톤과의 마찰계수를 최소화하여 피스톤의 왕복운동으로 인한 버퍼링 및 로드씰의 손상을 최소화하여 수명을 최대한 연장가능토록 하면서 작업의 효율성을 높힐 수 있는 것이다.
Patent KR-20230046106-A (KR)
Inventor: PARK YOON WOO
IPC: H01M50/105
Filed: 2021-09-29
Abstract: 본 발명은 파우치형 이차전지의 실링부에 형성된 절곡부 외벽면을 열간 성형하는 파우치형 이차전지의 실링부 열간 성형 장치에 관한 것이다.