baber/WOPTO huggingface dataset:
Patent KR-102045178-B1 (KR)
Inventor: JUNG MYEONG SIK
IPC: A01C7/00
Filed: 2019-04-30
Granted: 2019-11-15
Abstract: The present invention relates to a sowing machine, which is to solve a problem of an existing sowing machine of difficulty in adjusting the depth of a sowing hole and sowing intervals even a complicated configuration thereof, and difficulty in evenly maintaining a sowing position. The sowing machine for forming a sowing hole for sowing, which comprises: an upper handle pipe (120) having a handle (110); a lower handle pipe (140) having the upper handle pipe (120) coupled to be adjusted in the length thereof; an upper handle pipe length adjusting screw (130) for coupling the upper handle pipe (120) to be coupled to the lower handle pipe (140); a lower horizontal pipe (150) coupled to a lower end of the lower handle pipe (140); a sowing central reference pipe (200) coupled to the center of the lower horizontal pipe (150) in a forward and backward direction; a sowing central reference pipe extending unit (240) coupled to the front and rear of the sowing central reference pipe (200); a sowing central reference pipe length adjusting screw (220) for fixing the sowing central reference pipe extending unit (240); a sowing container (300) connected to the lower handle pipe (140) and coupled through a sowing container rotation coupling unit (160); and a sowing hole molding cone (310) coupled to the sowing container (300). Accordingly, a sowing condition can be conveniently and easily changed in accordance with seeds to be sowed by providing a means capable of easily adjusting intervals, the width and the depth of the sowing holes.
Patent KR-102011626-B1 (KR)
Title: Manufacturing method for concrete deck with plurality of holes
Inventor: JANG WOO SEOK
IPC: B28C5/40
Filed: 2019-05-01
Granted: 2019-08-19
Abstract: The present invention relates to a method for manufacturing a concrete deck having multiple holes, which has excellent rigidity. The method of the present invention comprises the steps of: stirring a mixture obtained by mixing cement, silica powder, and an additive; introducing the mixture into a raw material feeder; extruding the mixture to be molded as a concrete deck; primarily cutting the extruded mixture; primarily and secondarily curing the primarily cut extruded mixture; and secondarily cutting the mixture.
Patent KR-102076443-B1 (KR)
Inventor: KIM KUNG AA
IPC: A41G5/00
Filed: 2019-05-14
Granted: 2020-02-12
Abstract: The present invention relates to a hair loss covering piece which is a means for covering a scalp portion where hair loss has progressed or increasing the number of hairs; and a procedure method for covering hair loss which has progressed on the scalp by using a hair loss covering piece or for increasing the number of hairs. More specifically, the present invention relates to a hair loss covering piece manufactured by using three strands of human hair, and a detailed configuration thereof. The purpose of the present invention is to provide a hair loss covering piece for increasing the amount of hairs on a portion where hair loss occurs by bonding the hair loss covering piece to real hair of a subject or for giving rich volume to hair by performing a procedure on a portion where a subject desires to increase hairs. According to the present invention, when hair loss covering or a hair thickening procedure is performed by applying the hair loss covering piece to the scalp, a sophisticated procedure can be performed so that the hair loss covering piece looks like real hair. After the procedure, the hair loss covering piece may look similar to natural hair and thus, it is possible to significantly reduce inconvenience that a subject may experience due to hair as compared with a conventional technology.
Patent KR-102513843-B1 (KR)
Title: 광학 적층체 및 이를 포함하는 디스플레이 장치
IPC: B32B7/12
Filed: 2019-05-23
Granted: 2023-03-24
Abstract: 본 출원은 점착형 광학 적층체 및 이를 포함하는 디스플레이 장치에 관한 것이다. 본 출원에 따르면, 점착력의 빌드업 특성과 빛샘 억제 특성이 개선될 수 있다.
Patent KR-102531931-B1 (KR)
IPC: G01S7/481
Filed: 2019-05-23
Granted: 2023-05-16
Abstract: 라이다 센싱장치 및 그 제어방법에 대한 발명이 개시된다. 본 발명의 라이다 센싱장치는: 센싱광을 조사하는 센싱 광원부; 센싱 광원부에서 조사되는 센싱광을 반사시키는 송광 반사경; 송광 반사경에서 반사되는 센싱광을 타켓에 반사시키고, 타겟에서 반사되는 입사광을 반사시키는 스캐너부; 스캐너부에서 반사되는 입사광이 투과되는 수광 렌즈부; 수광 렌즈부를 투과한 입사광을 반사시키는 수광 반사경; 수광 반사경에서 반사되는 입사광이 입사되는 광검출부; 주위 환경에 관한 영상을 디스플레이하는 디스플레이부; 주위 환경에 관한 조도를 측정하는 조도 측정부; 및 디스플레이부의 영상 신호와 조도 측정부의 조도 신호를 수신받고, 영상 신호의 세기와 조도 신호의 세기 중 하나가 기 설정된 기준값 미만이면 센싱 광원부의 광출력값을 증가시키는 제어부를 포함하는 것을 특징으로 한다.
Patent KR-102202605-B1 (KR)
Title: 선로전환기
IPC: H01H50/54
Filed: 2019-06-21
Granted: 2021-01-13
Abstract: 본 발명은 선로전환기에 관한 것으로, 선로 전환을 위한 선로전환기 내부의 치차를 회전시키기 위한 구동력을 제공하는 모터부; 상기 모터부가 구동되는 초기에 발생하는 돌입전류를 흡수하여 모터의 손상을 방지하기 위한 접점 보호부; 상위 제어부의 제어신호를 수신하여 제어하고자 하는 모터 회전방향에 대응하는 신호를 상기 모터부에 출력하는 모터 회전방향 제어부; 상기 모터부가 구동하여 상기 선로전환기 내부의 치차를 회전시킴으로써 선로가 전환될 경우, 상기 상위 제어부로부터 수신한 피드백 신호를 다시 상위 제어부에 출력하는 피드백 회로부; 상기 모터 회전방향 제어부를 통해 상기 모터부를 구동하기 위한 신호, 및 상기 피드백 회로부를 통해 선로 전환을 감지하기 위한 피드백 신호를 상기 상위 제어부에 안정적으로 전달하기 커넥터부; 및 상기 상위 제어부와 상기 선로전환기간에 전원 및 신호를 안정적으로 전달하기 위한 인터페이스부;를 포함한다.
Patent KR-102130006-B1 (KR)
Title: System for managing leaner type personalized class and method thereof
Inventor: KWAK SANG WOOK
IPC: G06Q50/20
Filed: 2019-06-24
Granted: 2020-07-03
Abstract: The present invention provides a system for managing a lecture customized according to the type of learner and a method thereof. The method comprises the steps of: allowing a learning terminal to register a desired lecturer, a desired day, a desired time, a desired place, learner information, learner type information, etc. on a server while referring to information registered from a lecturer terminal; allowing the server to manage an operation plan registered from a corresponding lecturer terminal, match the lecturer terminal with a corresponding learning terminal to manage a daily progress report, lecture by lecture, registered from the corresponding lecturer as the lecture progresses; allowing a monitoring terminal, arranged in relation to a corresponding lecture to manage and inspect the operation plan, the daily progress report for each lecture, etc. and then, register a guide inspection result report on the server; allowing the lecturer terminal to register a result report on the server after termination of the lecture; and allowing the server to perform functions of a survey, a payment of lecture fee, a payment of activity expense, etc. according to termination of the lecture, thereby offering the lecture appropriate for the situation of the learner to enhance satisfaction of the learner, and guiding active participation of the learner to enhance a learning effect.
Patent KR-102041542-B1 (KR)
Title: Bidirectional wireless communication auxiliary system for digestion and rescue activities
Inventor: KIM NAK HEE
IPC: H04W4/90
Filed: 2019-06-24
Granted: 2019-11-06
Abstract: The present invention relates to a bidirectional wireless communication assisting system for extinguishment and rescue activities, which comprises: a main trans repeater converting radio signals transmitted to and received from a radio for fire extinguishment or for management into upstream or downstream and transmitting the same; a terminal trans repeater converting the received radio signal into upstream or downstream and transmitting the same; and a wireless signal relay device, if the radio signal received from the terminal trans repeater is the upstream signal, modulating the radio signal into a downstream radio signal and returning the same to the main trans repeater, and if the radio signal received from the terminal trans repeater is the downstream signal, modulating the radio signal into an upstream signal and returning the same to the main trans repeater. The main trans repeater comprises a control unit which switches functions of main trans repeater receiving radio signals and other main trans repeaters provided in a preset range to an off state. Accordingly, the present invention switches functions of main trans repeaters in the same floor to an off state when multiple main trans repeaters provided in each floor receive a radio signal, thereby preventing hauling phenomenon caused by feedbacks of the radio signal.
Patent KR-102183952-B1 (KR)
Inventor: HWANG WOO HYUN
IPC: B60W10/20
Filed: 2019-06-27
Granted: 2020-11-27
Abstract: The present invention relates to a control device for an autonomous driving vehicle. According to the present invention, the control device for an autonomous driving vehicle includes: a first autonomous driving controller for autonomous driving control; a second autonomous driving controller for autonomous driving control in a backup situation; a first brake module operating a brake by receiving a speed reduction command from the first autonomous driving controller; a second brake module operating a brake by receiving a speed reduction command from the second autonomous driving controller; a first communication network exchanging monitoring information between the first brake module and second brake module, and delivering speed reduction commands from the first autonomous driving controller and second autonomous driving controller to the first brake module and second brake module through a first gateway; and a second communication network delivering speed reduction commands from the first autonomous driving controller and second autonomous driving controller to the first brake module and second brake module through a second gateway. Therefore, the present invention is capable of enabling complete autonomous driving even in an abnormal communication state.
Patent KR-102207933-B1 (KR)
Inventor: LEE JONG BEOM
IPC: H05H1/34
Filed: 2019-07-17
Granted: 2021-01-26
Abstract: Provided are a suspension plasma spraying device and a control method thereof, wherein a coating layer can be densely manufactured by reducing the size of molten fine particles forming the coating layer. The suspension plasma spraying device includes: (i) a negative electrode; (ii) a first positive electrode spaced apart from the negative electrode; (iii) a second positive electrode forming a space spaced apart from the first positive electrode along a traveling direction of gas applied so as to form a plasma jet while being accelerated through the first positive electrode, and is positioned opposite to the negative electrode with the first positive electrode interposed therebetween; and (iv) one or more suspension injection tubes applied so as to supply suspension to one or more positions selected from a group consisting of the first positive electrode, the second positive electrode, and the spaced space, wherein the first voltage applied to the first positive electrode is applied to be less than that of the second voltage applied to the second positive electrode.
Patent KR-102044208-B1 (KR)
Title: Led lamp
Inventor: PARK JAE DUK
IPC: F21Y103/10
Filed: 2019-07-25
Granted: 2019-11-13
Abstract: The present invention relates to an LED lamp. According to the present invention, the LED lamp comprises a main body having an LED module, and the multiple LED lamps are connected by being extended. The LED lamp comprises: a far connection groove connected to one end and the other end of the main body and perforated at far groove intervals at the one end; and a connection unit having a near connection groove perforate at distance intervals at the other end. The far groove interval is longer than near groove intervals, and the perforated position of the far connection groove and the near connection groove is different at an end on a side of the LED lamp. The near connection groove of a first LED lamp is connected to a connection protrusion on one side of an electric connection device, and the connection protrusion on the other side in the electric connection device is connected to the far connection groove of the LED lamp. As the connection groove is connected to the connection protrusion of the electric connection device, the electric connection device is strongly connected. The position of the far connection groove and the position of the near connection groove are different, or a perforated width of the far connection groove and the perforated width of the near connection groove are different. So, errors due to the connection of the electric connection device and the LED lamp do not occur.
Patent KR-102309560-B1 (KR)
IPC: A23L19/00
Filed: 2019-08-01
Granted: 2021-10-07
Abstract: 본 발명은 원적외선을 조사하여 무화과를 건조하는 단계를 포함하는, 무화과 건조칩의 제조방법 및 이에 의해 제조된 무화과 건조칩에 관한 것이다.  
본 발명에 따르면, 원적외선 건조방식을 이용하여 무화과 건조칩의 제조시 색소의 분해가 적고 외적 형태의 변형을 초래하지 않아 외관이 잘 보존되는 효과가 있다. 또한, 무화과 과실의 형상 유지와 더불어 무화과 향미와 색상이 그대로 살아 있고 바삭한 식감을 가지고 있다. 아울러 곰팡이의 번식을 방지할 수 있으며 항균 탈취 효과가 뛰어나고 건조시간의 단축으로 건조과정에서 생성되는 유해물질이 감소되며 에너지 절감 효과가 큰 특징을 가지고 있다. 또한, 원적외선 건조에 의해 유용물질인 가바의 생성이 증가되는 효과가 있다. 이와 더불어 건조된 제품을 물 또는 열탕에 넣어서 복원할 때 외관이 건조전과 동일하게 유지되는 장점을 가진다.
Patent KR-102117457-B1 (KR)
Title: Non flammable resin retaining wall block and construction method for vegetation retaining wall using that
Inventor: KANG HYEON JAE
IPC: C08J5/10
Filed: 2019-08-09
Granted: 2020-06-01
Abstract: The present invention comprises: a block main body including an inclined surface provided on a front surface thereof and an accommodation space provided at the rear; an accommodation groove portion provided on the inclined surface and providing a vegetation space where plants grow; and a barrier provided in the block main body to divide the accommodation space into the accommodation groove portion and a retaining groove portion. The block main body is manufactured by using a sheet type complex molding material formed with 5-25 parts by weight of a flame retardant agent with respect to 100 parts by weight of a mixture composed of a thermosetting resin composition and glass-reinforced fibers. The flame retardant agent is made of one or at least two substances from a group consisting of hydrate-based, halogen-based, antimony-based, nitrogen-based, and phosphorus-based substances. According to the present invention, a flame-retardant synthetic resin retaining wall block is capable of providing a vegetation environment where plants can grow.
Patent KR-102419914-B1 (KR)
IPC: A01K69/06
Filed: 2019-08-14
Granted: 2022-07-13
Abstract: 본 발명은 어로용 통발에 관한 것으로서, 그 목적은 유인구의 출구 또는 포획구의 포획부가 탄성력이 아닌 어류의 추진력에 의해 개방되고, 자중에 의해 닫혀지도록 함으로서, 출구 또는 포획부를 헐거워짐이 전혀 발생됨이 개폐될 수 있도록 할 수 었어 반영구적으로 통발의 유효수명을 연장될 수 있어 어로단가를 현저히 낮출 수 있을 뿐만 아니라 어획량도 크게 증대시킬 수 있도록 하는 것이며, 그 구성은 상, 하부링의 사이에 등간격으로 다수의 지지바가 연결된 통발 몸체와, 상기 통발 몸체의 외부를 그물망이 감사게 설치되되, 상기 그물망의 상부에 개폐가능한 배출구가 형성되고, 입구가 넓고 출구가 좁게 형성된 사각깔대기 형상의 망체로서 상기 그물망의 측면에 형성된 개방부에 결합 설치된 유인구로 구성된 어로용 통발에 있어서, 상기 유인구는 출구의 상단부 및 하단부에 각각 회동가능하게 힌지결합되고, 출구를 개폐하는 2개의 차단부재를 구비한 것을 특징으로 한다.
Patent KR-102254146-B1 (KR)
IPC: G06F21/57
Filed: 2019-08-16
Granted: 2021-05-21
Abstract: 본 발명의 일 실시예에 따르면 전자식 제어기(Electric Control Unit)의 펌웨어 업데이트 시스템으로서, 상기 시스템은, 서버로부터 전자서명이 포함된 신규 펌웨어를 수신하는 센트럴 게이트웨이; 및 상기 신규 펌웨어에 기초하여 기존의 펌웨어를 업데이트하는 전자식 제어기를 포함하고, 상기 전자식 제어기는, 상기 신규 펌웨어의 데이터를 분할된 페이지 단위로 쓰기(write) 처리하는 플래시 메모리; 및 상기 분할된 페이지 단위로 상기 플래시 메모리에 신규 펌웨어 데이터가 쓰기 처리 될 때, 병렬적으로 인증서에 기반하여 전자서명을 검증하는 하드웨어기반 보안 모듈(Hardware Security Module)을 포함하는, 전자식 제어기의 펌웨어 업데이트 시스템이 제공된다.
Patent KR-102616879-B1 (KR)
IPC: H01Q1/02
Filed: 2019-08-19
Granted: 2023-12-26
Abstract: 다양한 실시예에 따르면, 복합 방열 부재는, 안테나 모듈과 중첩되도록 배치되는 제1방열시트 및 상기 제1방열시트와 중첩되지 않고 인접하여 나란히 배치되고, 상기 제1방열시트와 열적으로 연결되며 상기 제1방열시트보다 높은 열전도율을 갖는 제2방열시트를 포함할 수 있다. 또한, 상술한 복합 방열 부재를 포함하는 전자 장치를 제공할 수 있다. 그 밖에 다양한 실시예들이 가능할 수 있다.
Patent KR-102098805-B1 (KR)
Title: Adhesive earphone filter and earphone with same
Inventor: KIM JAE HYUN
IPC: H04R1/12
Filed: 2019-08-21
Granted: 2020-04-08
Abstract: Provided are an adhesive earphone filter and an earphone having the same. The earphone comprises: a main body having a speaker; and an earphone filter attached to the main body. The earphone filter may include: an adhesive layer attached to the speaker; and a filter layer formed on the adhesive layer, wherein the filter layer passes sound and is sterilized. In an embodiment of the present invention, a disease which can be transmitted through a contaminated earphone is blocked by attaching the paper filter to a part from which the sound of the earphone comes out, for which the filter layer passes sound and is sterilized.
Patent KR-102272196-B1 (KR)
IPC: C21B7/04
Filed: 2019-08-22
Granted: 2021-07-05
Abstract: 본 발명은 시멘트 제조 설비를 이용한 직접 환원철의 제조 설비에 관한 것으로, 현재 시멘트 제조에 이용되는 시멘트 제조 설비를 개선하여 시멘트가 아닌 직접 환원철을 제조할 수 있는 직접 환원철 제조 설비 및 그 방법을 제공하는 것을 목적으로 하고 있으며,  
직접 환원철의 제조 설비는 미세분말형태의 미분철 재료를 저장하기 위한 저장소; 저장소로부터 공급되는 미분철 재료를 1차 환원하기 위한 유동 소성로; 유동 소성로부터 환원된 미분형상의 1차 환원철을 포집하기 위한 사이클론; 및 사이클론으로부터 공급되는 1차 환원철을 2차 환원처리하기 위한 킬른 소성로를 포함한다.
Patent KR-102115704-B1 (KR)
Title: Rahmen bridge using anker and girder joint casing and construction method of the same
Inventor: LEE DAE HO
IPC: E01D2/00
Filed: 2019-08-30
Granted: 2020-05-26
Abstract: Provide are an economical Rahmen bridge and a construction method thereof, wherein the Rahmen bridge can reduce the size of a base as compared to a strong connecting method and reduce the material amount of a central girder as compared to a hinge connecting method by using a new connecting method of generating only positive moment by the girder weight and generating negative moment to a corner with respect to upper concrete pouring load and load after synthesis. According to the prevent invention, the construction method of a Rahmen bridge using an anchor and girder coupling casing comprises: a step (a) of constructing both walls to be an abutment or pier by primarily placing concrete and at the same time, installing a girder coupling casing, a casing through anchor inserted into and passing through the girder coupling casing, and a wall connecting anchor positioned close to the girder coupling casing, which are embedded in upper portions of the corresponding walls, respectively; a step (b) of mounting negative moments girders installed with a vertically embedded steel, a support member, and a rear bracket in each of the primarily placed walls, respectively, and loosely fastening a clearance adjustment nut to the casing through anchor and the wall connecting anchor to generate clearance of the clearance adjustment nut; a step (c) of connecting and assembling a positive moment girder between the negative moment girders of both sides to generate a rotational displacement on the negative moment girders of both sides by the girder weight; a step (d) of strongly connecting the negative moment girders and the walls by placing a filling concrete into the girder connecting casing and curing the same after separately removing the clearance generated after the rotational displacement by fastening the clearance adjustment nut; and a step (e) of constructing a floor slab by placing an upper concrete to the negative moment girders and the positive moment girder and curing the same.
Patent KR-102333622-B1 (KR)
IPC: A21D13/60
Filed: 2019-09-09
Granted: 2021-11-30
Abstract: 본 발명은 면 재료를 이용한 반죽물의 제조 방법, 그 반죽물 및 이를 이용한 면 재료 가공식품에 관한 것으로, 면 재료를 준비하는 단계, 상기 면 재료를 끓는 물에 삶는 단계, 상기 삶은 면 재료를 정제수, 정제염, 설탕 및 기능성 첨가물과 혼합한 후 교반하여 반죽 상태의 반죽물을 제조하는 단계 및 상기 반죽물을 숙성하는 단계를 포함하되, 상기 면 재료는 밀가루, 쌀, 메밀가루 및 감자녹말 중 적어도 하나의 곡물 재료를 이용하여 제조된 라면, 국수면, 당면 및 스파게티면 중 적어도 하나를 포함하고, 상기 기능성 첨가물은 미강유, 팽창제, 곡물 분말 및 복합 천연추출물 중 적어도 하나를 포함하는 면 재료를 이용한 반죽물의 제조 방법을 제공한다.
Patent KR-102084697-B1 (KR)
Title: Method, server and program for link personal character with online games
Inventor: PARK YOUN JIN
IPC: G06T13/40
Filed: 2019-09-17
Granted: 2020-03-04
Abstract: The present invention relates to a method for linking a personal character with an online game, which allows a user to customize the character through a service application and to play the game with his/her own character by accessing various games. The present invention includes the steps of: creating a user′s character; providing a list of one or more games; and providing character and user account information to a game server.
Patent KR-102078147-B1 (KR)
Title: Concrete Structure Cutter Using Diamond Wire Saw
Inventor: CHA WON JUN
IPC: B28D1/08
Filed: 2019-09-27
Granted: 2020-02-17
Abstract: The present invention relates to a concrete structure cutter using a diamond wire saw. The present invention is to solve a problem of an existing diamond wire saw and an existing concrete saw having a diamond blade. To this end, a first mounting unit (22), a second mounting unit (24), and a third mounting unit (30) are formed on the edges and inner side of a round wheel (12), and a tensile coil spring (26) and a nipple (28) are fixed to both ends of a diamond wire saw (20). Then, the diamond wire saw (20) is detachably installed on the inner side and the circumferential surface of the round wheel (12), so that a concrete structure cutter using the diamond wire saw has excellent workability, cutting performance, and safety and can extend average time of failure intervals. Therefore, the concrete structure cutter using the diamond wire saw can largely reduce maintenance costs and perform excellent operation reliability.
Patent KR-102302473-B1 (KR)
IPC: B25J19/06
Filed: 2019-10-10
Granted: 2021-09-16
Abstract: 본 명세서는 이동 로봇의 충전대에 관한 것으로, 충전대의 어느 두 측면 각각에 연결 단자를 형성하여, 경계 와이어가 충전대의 어느 두 측면 각각에 연결되도록 하는 이동 로봇의 충전대 및 이동 로봇 시스템에 관한 것이다.
Patent KR-102216874-B1 (KR)
Title: Data collet method using multi sensor data collect system
Inventor: JANG BONG JOO
IPC: G07C5/08
Filed: 2019-10-15
Granted: 2021-02-18
Abstract: The present invention relates to a data collection method through a multi-data collection system, and more specifically, to the data collection method through a multi-data collection system where a multi-sensor device installed in a vehicle collects image data of a front side of the vehicle and at least one type of sensing data in real-time, converts at least one type sensing data into a watermark to be hidden in the image data, and transmits the image data to a DB server through digital pairing.
Patent KR-102245441-B1 (KR)
IPC: E01D19/10
Filed: 2019-10-17
Granted: 2021-04-29
Abstract: 본 발명은, 교량상판과 교각 사이에 형성되고, 상기 교량상판의 길이 방향을 따라 연장되며 상기 교량상판의 폭 방향으로 서로 이격 배치되어 상기 교량상판의 하중을 지지하는 제1 빔과 제2 빔을 포함하는 교량에 설치되는 교량첨가 배전관로에 있어서, 상기 교량첨가 배전관로는, 상기 제1 및 제2 빔에서 서로 마주하는 방향으로 돌출 형성되는 제1 돌출부 및 제2 돌출부상에 각각 일면이 접하도록 형성되는 제1 지지부와 제2 지지부; 및 상기 제1 및 제2 지지부와 교차하는 방향으로 연장 형성되고, 상기 제1 및 제2 지지부와 함께 중력 방향으로 상기 제1 및 제2 돌출부상에 걸리도록 형성되며, 상기 제1 및 제2 지지부와 연결되어, 상기 제1 및 제2 지지부의 중력 방향으로의 이동을 제한하도록 이루어지는 제3 지지부를 포함하는 교량첨가 배전관로를 개시한다.
Patent KR-102213846-B1 (KR)
Title: Heat Bonded Elastic Composite Fiber For Non-Woven Fabrics
Inventor: KIM DONG EUN
IPC: D01F8/06
Filed: 2019-10-23
Granted: 2021-02-09
Abstract: The present invention relates to a heat bonded elastic composite fiber for non-woven fabrics, in which the composite fiber is formed in a sheath-core type composed of a polyester-based resin as a core portion and a polyolefin-based resin having a melting point of 20°C or more lower than that of the polyester-based resin as a sheath portion. The polyester-based resin of the core portion is composed of a hard segment of diol and dicarbonic acid or a derivative thereof, and a soft segment of polyol, wherein the diol is at least one of ethylene glycol (EG) and 1,4-butanediol (1,4-BD) having a molecular weight of 500 to 1,000, and the dicarbonic acid or the derivative thereof is composed of terephthalic acid (TPA), isophthalic acid (IPA) or an ester derivative.