baber/WOPTO huggingface dataset:
Patent KR-20010088204-A (KR)
Inventor: PARK TAE SEONG
IPC: G02B6/00
Filed: 2000-03-11
Abstract: PURPOSE: An apparatus and a method for measuring a polarization mode dispersion value of a light transmission link are provided, in which the polarization mode dispersion value can be obtained only using BER penalty and a simple mathematical relation expression and the PMD value can be attained without measuring all of PMD values of individual optical elements constructing the link. CONSTITUTION: An apparatus for measuring a polarization mode dispersion value of a light transmission link includes a light source(10), a single mode fiber(11) for long-distance-transmitting an optical signal generated from the light source, and a light intensity modulator for modulating the intensity of the optical signal. The apparatus further has an Erbium-doped fiber amplifier(50) for amplifying the intensity of the optical signal attenuated while passing the fiber, a dispersion compensation fiber module(70,71,72,73) for compensating dispersion of the optical signal, and a receiver(110) for converting the optical signal into an electric signal. The apparatus also has an error detector(100) for detecting an error in the electric signal, and a pulse pattern generator for generating a PRBS signal for modulating the beam generated from the light source into an optical signal in the form of pulses.
Patent KR-20000062850-A (KR)
IPC: G09G3/36
Filed: 2000-03-13
Abstract: 본원 제1 발명: 도트 반전 구동에서는, 인접하는 좌우의 화소에 기입되는 영상 신호의 극성이 상이하기 때문에, 개구부의 코너에 도메인이 발생해 버리고, 그 결과 화소의 개구율이 저하되어 투과율을 떨어뜨리게 된다. 
     점순차(点順次) 구동 방식의 액티브 매트릭스형 TFT 액정 표시 장치에 있어서, 게이트 라인(Vg1~Vg5)을 상하 2 라인의 화소 간에서 사행(蛇行) 배선하고, 또한 Cs 라인을 매트릭스형으로 배선하여, 서로 역(逆)극성의 영상 신호(video1, 2)를 상이한 상하 2 라인의 화소에 동시에 기입하는 동시에, 기입한 후의 화소 배열에서 화소의 극성을, 인접하는 좌우의 화소에서 동극성으로 하고, 상하의 화소에서 역극성으로 한다. 
     본원의 제2 발명: 2 스텝 일괄 프리차지 방식은, 수평 블랭킹 기간이 짧은 그래픽스 표시 규격의 경우에는 적용할 수 없다. 
     점 순차 구동 방식의 액티브 매트릭스형 TFT 액정 표시 장치에 있어서, 각 열마다 배선된 신호 라인(sig1A~sig4A)의 각각과, 흑 레벨의 프리차지 신호(Psig-black)를 입력하는 프리차지 신호 라인(18-1A) 및 그레이 레벨의 프리차지 신호(Psig-gray)를 입력하는 프리차지 신호 라인(18-2A)과의 사이에, 2 계통의 샘플링 스위치(Pb1A~Pb4A 및 Pg1A~Pg4A)를 접속하고, 신호 라인(sig1A~sig4A)마다 먼저, 흑 레벨의 프리차지 신호(Psig-black)를, 계속해서 그레이 레벨의 프리차지 신호(Psig-gray)를 차례로 기입하고, 그 후에 영상 신호(video)를 기입하도록 한다.
Patent KR-20010090897-A (KR)
Title: First Order Hyperpolarizabilities of 2-[2-(Diethylaminophenyl)vinyl]furan Derivatives
Inventor: KIM YONG KWAN
IPC: C07D413/06
Filed: 2000-04-07
Abstract: PURPOSE: Provided is a synthesis method of a novel furan derivative composition(I) having improved nonlinear optical property by using heterocyclic compound, furan, instead of phenyl ring as an intermediate between electron donor and acceptor to activate electromigration. CONSTITUTION: The novel furan derivative is synthesized by the steps of: synthesizing perfuryltriphenylphosphonium bromide(1); synthesizing 2-((2-p-diethylaminophenyl)vinyl)furan(2) using the compound(1); synthesizing 5-((2-p-diethylaminophenyl)vinyl)-2-(1,2,2-tricyanovinyl)furan(II) with the compound(2); synthesizing(5-(2-p-diethylaminophenyl)vinyl)furan-2-carbaldehyde(III); synthesizing 5-(5-(2-p-diethylaminophenyl)vinyl)-2-(2,2-dicyanovinyl)furan(IIIa); synthesizing 5-(5-((2-p-diethylaminophenyl)vinyl)furan-2-ilydene)-1,3-diethyl-2-thioxo-hexahydro-4,6-dion (IIId); synthesizing 5-95-992-p-diethylaminophenyl)vinyl)furan-2-ilydene)-1,3-dimethyl-hexahydropyrimidine-2,4,6-trione(IIIc); and synthesizing 4-(5-(2-(4-diethylaminophenyl)vinyl)furan-2-ilydene)-3-phenyl-4H-isooxazol-5-on(IIIe).
Patent KR-20010095575-A (KR)
Title: Apparatus for automatic correction and measuring set state of automatic welder
Inventor: KIM JAE HUN
IPC: B23K9/00
Filed: 2000-04-11
Abstract: PURPOSE: An apparatus for measuring and automatically compensating the installation conditions of an automatic welding machine is provided to compensate driving control values of the automatic welding machine by measuring a distance change rate between a supplementary implement adhered to the guiding part providing a runway of the automatic welding machine and a body of revolution revolved by a rotary driving part, thereby grasping the installation conditions of a rotational axis of the rotary driving part. CONSTITUTION: In a torch rotary type automatic welding machine comprising a vertical driving part(2) installed at a guiding part on the upper side of a material to be welded so that it is traveled, a horizontal driving part(4) which is integrated with the vertical driving part(2) for horizontally moving a welding torch part(3), an upper and lower driving part(5) which is integrated with the horizontal driving part(4) for running the welding torch part(3) up and down, and a rotary driving part(6) which is integrated with the upper and lower driving part(5) for rotating the welding torch part(3) according to the shape of the material to be welded, the apparatus comprises a supplementary implement(110) which is adhered to the guiding part and provides a standard surface for grasping installation conditions of a rotational axis of the rotary driving part; a distance sensing part(120) which is attached to one side of a body of revolution revolved by the rotary driving part(6) for measuring a distance from the standard surface; and a control part(130) compensating control values for controlling the driving parts after grasping the installation conditions based on the change rate of distance measured values by the distance sensing part(120) during rotational driving of the rotary driving part(6).
Patent KR-20010104447-A (KR)
Inventor: KIM KWANG WOO
IPC: B60G13/00
Filed: 2000-04-28
Abstract: 본 발명 차량용 쇽업쇼버에 관한 것으로, 더욱 상세하게는 차축과 차체를 연결하여 주행중에 차축이 노면으로부터 받는 진동이나 충격을 차체에 직접 전달하지 않도록 설치되는 4개의 쇽업쇼버를 오일겸용 에어쇼버를 갖는 2중 구조를 채택함과 아울러 이들 쇽업쇼버는 에어펌프 및 자동조절장치에 의해 지면의 충격에 대하여 4개의 쇼버로 자유분배되어 각각의 충격을 압축공기의 이동으로 분산 및 흡수에 의해 완충작용, 떨림 및 기울림 등을 방지하며 주행의 안전성과 편안하고 안락한 승차감을 얻도록 한 차량용 쇽업쇼버(1)로, 오일실린더부(100)와 공기실린더부(200)가 일직선 상에 형성되고, 상기 오일실린더(100) 및 공기실린더(200) 내를 동시에 왕복운동 하는 제 1 및 제 2피스톤(310)(320)이 각각 설치되는 피스톤로드(300)로 구성되어 차량 현가장치에 각각 설치되는 쇽업쇼버(1)와; 상기 각 쇽업쇼버(1)와 연통되는 공기파이프라인(2)과; 상기 공기파이프라인(2) 중 어느 일부분에 설치되는 공기펌프(400)와; 상기 공기펌프(400)를 제어하기 위한 제어수단(500)으로 구성된다.
Patent KR-20000053894-A (KR)
Inventor: SON YOUNG GI
IPC: G11B31/00
Filed: 2000-04-28
Abstract: PURPOSE: An A/V audio system containing a mediation function and a method for using thereof are provided to improve the concentration and safety of car driving by preventing drowsiness previously. CONSTITUTION: An A/V audio system is provided with code terminals so that earphones and optical spectacles are connected. Inside of the A/V audio system, a memory containing a meditation program is installed. The A/V audio system having the memory containing the meditation program carries out various meditation functions, such as drowsiness overcoming meditation by long-time driving, daybreak driving meditation, meditation to eliminate stress and uneasiness due to a traffic accident, car driving meditation after hard training, car driving meditation after hard working, meditation to improve the confidence and concentration of car driving, etc,.
Patent KR-20000077190-A (KR)
Title: 슬래브 사이징 프레스
IPC: B21J9/18
Filed: 2000-05-09
Abstract: 본 발명은 슬래브 사이징 프레스 기구의 안정성을 확보하면서 구조를 간략화하고, 또한 보수성을 좋게 하는 것을 목적으로 한다. 
     크랭크축(2)에 아암(3)을 회전 가능하게 부착하고, 아암(3)과의 사이에서 하중을 전달하는 외측 블록(9)을 설치하고, 외측 블록(9)과 간격 조정 가능하게 내측 블록(13)을 설치하고, 내측 블록(13)에 금형(14)을 부착한다.  아암(3)과 외측 블록(9)의 하중 전달부의 한 쪽에 제1 전동체 예를 들어 평판(6)을 설치하고, 다른 쪽에 제2 전동체 예를 들어 로커 플레이트(7)를 설치하고, 양자의 전동 접촉에 의해서 하중을 전달하는 동시에, 이들 전동체의 전동 접촉면의 미끄럼 방지 수단으로서, 아암측과 외측 블록측의 각각에 서로 맞물리는 섹터 기어(19, 20)를 설치하고, 또한 이들 기어의 적어도 한 쪽(20)을 핀(21)으로 이동 가능하게 지지한다.
Patent KR-20010103935-A (KR)
Inventor: AHN YOUNG NAM
Filed: 2000-05-12
Abstract: 본 발명은 인터넷을 이용한 선박 예약 시스템 및 선적 데이터 상호 전송 시스템과 그 운영 방법에 관한 것으로서, 자체 데이터 베이스가 없는 중-소형 사용자(하주)의 경우는 모뎀이나 근거리 통신망을 이용하여 인터넷으로 본 사이트(Autobooking)에 접속하여 여러 선박 회사의 정기선 운항 스케쥴 및 각각의 운임을 조회할 수 있고, 온라인 상에서 선박 예약 작업을 수행할 수 있으며, 선적 정보를 인터넷을 통해 자신의 작업소(Work Place)에서 선적 관련 서류 정보를 입력하고, 입력 받은 선적 정보로 상업 송장(C/I), 물품 포장 명세서(P/L)를 자동 생성하며 이를 출력하여 문서로 보관할 수 있고, 과거의 자신의 선적 정보, 제 선적 서류를 조회, 수정할 수 있으며 인터넷과 전자 문서 교환 방식(EDI)을 통하여 선박 회사, 운송, 통관 회사의 데이터 베이스로 전송하여 전화, Fax를 통하여 수행되던 모든 선적 관련 업무를 처리할 수 있고, 종래에 선사가 발급하는 선하 증권 견본을 인터넷 상의 자신의 작업 공간에서 확인할 수 있으며 선하 증권 정보는 EDI를 통하여 은행, 세관 등에 전송되어 문서화된 선하 증권(Bill of Lading) 없이도 금융 업무를 추진할 수 있고, 중-소형 하주와 대형 하주의 선적 화물을 집하하여 선사에는 대량의 화물을 안정적으로 공급하여 운임 할인 계약을 맺고, 이를 바탕으로 사용자(하주)는 저렴한 운송비로 해상 운송 서비스를 받게 되는데, 자체 데이터베이스를 갖춘 대형 사용자(하주)의 경우는 EDI를 통하여 선박 회사, 은행의 데이터 베이스를 직접 연결하여 선박 예약 정보와 선적 정보를 보내고, 선하 증권 견본을받아볼 수 있으며, 기타 중-소형 하주의 경우 웹 상에서 입력한 정보를 근거로 Autobooking에서 변환하여 선박 회사와 은행으로 전송하여 선박 예약 업무와 선하 증권 견본을 받아볼 수 있으며, 모든 온라인 전송은 반드시 본 시스템의 보안, 인증 시스템을 통하게 되므로 안전하고 확실하게 전송할 수 있음으로써, 선박 예약 업무를 쉽게, 빠르게, 편리하게 하며, 운송비를 절감할 수 있어 수출입 업무를 취급하는 무역 업체에 매우 유용한 시스템으로, 기존의 물류 산업에 대한 정보화를 추진할 수 있는 효과를 갖는다.
Patent KR-20010007097-A (KR)
Inventor: OISHI TSUKASA
IPC: G11C11/409
Filed: 2000-05-22
Abstract: PURPOSE: To shorten access time by providing circuits making one of generation timings and pulse widths of a first internal control pulse signal and a succeeding internal control pulse signal different when operation mode instructing signals are applied continuously to internal control signal generating circuits which generate internal control pulse signals by responding to the operation mode instructing signals. CONSTITUTION: One-shot pulse generating circuits 41, 42 in a control signal generating part generate pulse signals φPA, φPB having prescribed pulse widths by responding to a row access command ROWA, a read command READ and a multiplexer 47 generates read pulses for a period when the pulse signal φPA is activated by selecting the output of an OR circuit 46. A one-shot pulse generating circuit 45 generates a pulse signal φPC in synchronization with an internal clock intCLK. When a read command is applied to the circuit 42 again, the multiplexer 47 generates read pulses by selecting the pulse signal φPC according to the pulse signal φPA.
Patent KR-20010111165-A (KR)
Inventor: YOON JONG BEOM
Filed: 2000-06-08
Abstract: 본 발명은 자동 폴더의 시각적 통보장치에 관한 것으로서, 개시된 장치는 (a)본체와, 자동 폴더(b)와, 상기 본체(a)와 자동 폴더(b)를 기계적으로 연결시켜 통화각도까지 자동으로 개폐시키는 힘을 제공하는 힌지장치(c)로 구성된 폴더형 단말기에 있어서, 상기 힌지장치의 일측단에 소정의 크기로 구비된 개구; 상기 개구로부터 외부에 노출되는 상단과, 본체에 숨겨지는 하단과, 상기 상단과 하단사아에 위치하여 본체에 구속시키는 중간부분을 포함하는 버튼 몸체; 상기 버튼 몸체의 누름동작에 따라서 단말기의 모드상태를 사용자에게 시각적으로 통보하기 위하여 발광하는 적어도 하나이상의 엘이디; 상기 엘이디가 접속된 접속수단; 및 상기 접속수단이 전기적으로 연결되며, 상기 엘이디를 메인 보드에 전기적으로 연결시킴과 아울러 상기 버튼 몸체의 누룸동작에 의해 자동 폴더의 개폐 신호를 메인 보드에 전달하는 연성 회로로 구성된다. 따라서, 사용자는 시각적으로 자동 폴더의 개폐상태를 통보받게 되어 사용하기 편리하다.
Patent KR-20010110909-A (KR)
Inventor: PYO SEONG GYU
IPC: H01L21/30
Filed: 2000-06-09
Abstract: 본 발명은 반도체 소자의 제조 공정에서 액체 상태의 전구체를 기체 상태로 변화시켜 공정 챔버로 공급하기 위한 전구체 공급 장치에 관한 것이며, 액체 상태의 전구체가 저장되는 저장용기와, 상기 저장용기 내부의 압력을 제어하기 위한 압력제어수단과, 상기 저장용기와 공정 챔버간에 접속된 가스 공급관과, 상기 전구체의 공급량을 제어하기 위해 상기 가스 공급관에 설치된 쓰로틀 밸브로 이루어져 상기 저장용기 내부와 공정 챔버 내부의 압력의 차이에 의해 상기 저장용기에서 기화된 전구체가 상기 가스 공급관을 통해 상기 공정 챔버로 공급된다.
Patent KR-20020001029-A (KR)
Inventor: HWANG SEON UNG
IPC: F04B39/00
Filed: 2000-06-23
Abstract: PURPOSE: A hermetic rotary compressor is provided to allow the compressor to be easily manufactured, while effectively reducing the noise produced during compression. CONSTITUTION: A hermetic rotary compressor comprises a cylinder(33) having a compression space formed inside of the cylinder; a rotating shaft(26) having a portion disposed within the compression space; a roller(35) integrally coupled to the rotating shaft, in such a manner that the roller is eccentrically movable within the compression space; an upper bearing member(37) disposed onto the cylinder in such a manner that the upper bearing member shuts off the compression space and supports the rotating shaft; a lower bearing member(39) disposed beneath the cylinder in such a manner that the lower bearing member shuts off the compression space and supports the rotating shaft; a refrigerant discharge unit arranged in either of the upper or lower bearing member, such that the refrigerant is discharged from the compression space; and a sound pressure reduction member(41) formed of a porous member for permitting passage of the refrigerant and reducing the sound pressure of the refrigerant, wherein the sound pressure reduction member is disposed in the lower stream of the refrigerant discharge unit with respect to the refrigerant discharge direction.
Patent KR-20020002139-A (KR)
Title: Reflective type fringe field switching mode lcd
Inventor: HONG SEUNG HO
IPC: G02F1/133
Filed: 2000-06-29
Abstract: PURPOSE: A reflective FFS-LCD(Fringe Field Switching mode Liquid Crystal Display) is provided to obtain the optimum retardation at any waves by forming different cell gaps of an LC layer according to wavelength of beam and using the LC layer as a quarter wave plate, and to improve a contrast ratio by reducing beam leakage in a dark mode. CONSTITUTION: A lower substrate(10) keeps a specific distance from an upper substrate(20). A counter electrode(12) and a pixel electrode(14) are arranged to generate a fringe field in the lower substrate, and a first parallel alignment layer(18) is formed thereon. The first parallel alignment layer has a specific rubbing axis, and the rubbing axis has a specific angle with a substrate transmission line of the fringe field. To obtain the maximum transmission rate, if LC molecules have positive dielectric anisotropy, the rubbing axis has an angle of 45-90 degrees with the substrate transmission line. If the dielectric anisotropy is negative, the angle is 0-45 degrees. A black matrix(22) is arranged in the upper substrate, and RGB(Red,Green,Blue) color filters(24a,24b,24c) are arranged according to each unit pixel. The RGB color filters have different height by considering different wavelength of RGB beam. Thereby, cell gaps, distances(d1,d2,d3) between the upper and lower substrates are different. An LC layer(30) having LC molecules is formed between the upper and lower substrates. The LC layer has positive or negative dielectric anisotropy.
Patent KR-20020004595-A (KR)
Inventor: KIM DO WON
IPC: D06F37/20
Filed: 2000-07-06
Abstract: PURPOSE: A variable damper for a washing machine is provided to generate proper damping forces depending on the vibration condition of a washing tub. CONSTITUTION: A water tub(200) of a washing machine is supported on a damper(600). The damper includes a lift member(20) penetrated with a suspension bar(500), a support member(40) fixed on the lower end of the suspension bar, and a damping spring(30) installed between the support member and the lift member. The lift member includes a support ledge(22) extended outwardly, a through hole(50) fitted with the suspension bar, and an incision portion(60) outwardly extended from the through hole. By the incision portion, friction force between the through hole and the suspension bar is varied depending on the degree of load. Therefore, damping force is variably applied.
Patent KR-20000059007-A (KR)
Inventor: OH SEONG GEUN
IPC: C11D1/83
Filed: 2000-07-08
Abstract: PURPOSE: A liquid cleanser composition is provided, which is composed of only the raw materials of graded food and has strong cleansing power and is safe to the human body. CONSTITUTION: The liquid cleanser composition comprises 0.1-30 wt% of water-soluble chitosan; 0.1-50 wt% of saponin which is extracted from Quillaja; 0.1-50 wt% of a nonionic surfactant; and 0.1-5.0 wt% of an anionic surfactant. The pH of the composition is preferably 4.5-6.0. Preferably the nonionic surfactant is polyoxyethylene monolaurate of a nonionic surfactant; and an anionic surfactant is sodium monostearyl lactate.
Patent KR-20000059034-A (KR)
Inventor: KIM YONG TAE
IPC: F21V19/00
Filed: 2000-07-11
Abstract: PURPOSE: A fluorescent lamp unit is provided to be easily assembled by comprising a telescopic socket. CONSTITUTION: A pair of brackets(20) is assembled to both ends of a body(10) with hinges to be received within the body(10) and be withdrawn out of the body(10). The pair of brackets(20) is oppositely arranged with sockets(30). The brackets(20) and the sockets(30) are packaged and delivered as pivotally received into the body(10), and adapted to be assembled to a fluorescent lamp(50) in a spread state. When the sockets(30) are assembled to the body(10) spreaded in the substantially perpendicular direction, the sockets(30) can be simply fixed in position without assembling the whole sockets(30), thereby ensuring simple assembly.
Patent KR-20020006229-A (KR)
Title: Polyester fiber and fabrics
Inventor: KIM IK SU
IPC: D01F6/62
Filed: 2000-07-12
Abstract: PURPOSE: A polyester fiber and a textile thereof are provided, which are characterized by having excellent softness and drapability without alkali weight-loss finishing and being environment friendly because of prevention or control of waste water. CONSTITUTION: The polyester fiber is characterized by forming a protrusion on the surface thereof by big inorganic particle, so forming a void between the yarns. Hight(H) of the protrusion is at least 0.2micrometer, the number of the protrusion is at least 10 per 1mm in the longitudinal direction of the fiber and H/D(D; diameter of the single fiber) is at least 0.013. Diameter of the inorganic particle is at least 0.4micrometer and added quantity is at least 0.3wt.%.
Patent KR-20020007030-A (KR)
Title: AGV(automated guide vehicle) and path detecting method for AGV
Inventor: HWANG GYU DONG
IPC: G05D1/02
Filed: 2000-07-14
Abstract: PURPOSE: An unmanned vehicle is provided to accurately sense a route by effectively preventing signal interference between route sensors of the vehicle. CONSTITUTION: A transistor(3) is arranged at an input stage so as to drive a route sensor(1), and is turned on/off according to a digital input value or a constant frequency of a control part(7). A photo diode(15) emits light when a high voltage is applied, and forms a luminescence portion which is activated by a drive frequency of the control part(7). As a receiver portion, a photo transistor(16) senses a light reflected from a reflector(17). A latch circuit(5) is connected to an end of the route sensor(1), and temporarily stores an output value of the receiver portion to transfer the stored output value to the control part(7). A plurality of route sensors(1) are arranged in a plurality of rows and a plurality of columns so as to sense a route. The route sensors(1) are operated sequentially with a predetermined interval.
Patent KR-20020007064-A (KR)
Inventor: CHO CHEONG YONG
IPC: F01N13/08
Filed: 2000-07-15
Abstract: PURPOSE: A discharge unit in an exhaust manifold is provided to prevent the thermal deformation and the separation of a cone from a can by making high temperature exhaust gas not to directly contact with the cone and by reducing toxic substance through a monolith. CONSTITUTION: A discharge unit basically consists of a monolith(20) oxidizing exhaust gas flowing into an exhaust manifold(10), a can(30) inserted into the monolith, a cone(40) thermally deposited in the lower end of the can with a space and a flange(50) thermally deposited in the lower end of the cone to connect the cone and an exhaust pipe. Then, the cone forms a guiding face guiding exhaust gas and the space. After fuel is burned in a cylinder, exhaust gas flowing into the exhaust manifold, is oxidized by the monolith to reduce toxic substances. Exhaust gas moves down along the guiding face and reduces the temperature through the space of the cone. Then, exhaust gas is discharged through the exhaust pipe connected to the flange. The space is filled with solid stated sodium(70) to rapidly discharge exhaust heat due to the liquefaction of sodium.
Patent KR-20010000164-A (KR)
Inventor: KIM JIN GON
IPC: F24H1/00
Filed: 2000-07-18
Abstract: PURPOSE: A heat exchanger of gas combustion device and a welding method for heat transfer fin installed in heat exchanger are provided to reduce the size by consisting the heat exchanger to be one body, and improve the productivity by simplifying the assembling process. CONSTITUTION: A heat exchanger(10) comprises; a gas burner burning by mixing air and fuel; a heat transfer fin(12) in which one and more through holes are placed in upper, lower side to form numerous rows, and numerous grooves(16) are formed up to the bottom to be connected to the through holes; and a heat exchange part(14). In a heat exchange part, a water passing pipe(1), which is inserted into the through hole of upper row, absorbs the sensible heat of exhausted gas generated by combustion of gas burner, and a water passing pipe, inserted into through hole of lower row, absorbs the latent heat of cooled exhausted gas. The water passing pipes are welded with the heat transfer fin by welding rod using brazing welding method. A welding method comprises the steps of; forming through holes in heat transfer fin; forming grooves; inserting water passing pipe into through hole; covering welding rod in end of groove; melting the welding rod to rising the welding rod along groove so that the heat transfer fin is welded with water passing pipe.
Patent KR-20020016151-A (KR)
Title: Wiper blade for an automobile
Inventor: MIN YEONG GI
IPC: B60S1/38
Filed: 2000-08-24
Abstract: PURPOSE: A wiper blade is provided to replace on a contact part when an end of the contact part is worn, by allowing the contact part of a rubber of a wiper blade to be detachably mounted on a fixing part. CONSTITUTION: A wiper blade includes a first rubber(60) and a second rubber(80). The first rubber has a spring(70) inserted into a slot(62) and a connection hole(66) formed at a lower portion of the slot, and is mounted inside a clip(50) hinged to a rubber bracket. The second rubber has a connection end(82) separably connected to the connection hole, an insertion hole(86) formed between the connection end and a lower contact part(84), and a contact part(88) being contact with a windshield through an extension part(85) at a lower portion of the contact part. A lower end(64) of the first rubber is inserted into the insertion hole.
Patent KR-20020016339-A (KR)
Title: A concrete manger for a mother pig and the manufacturing process and the mold
Inventor: KO SUEN HO
IPC: A01K5/01
Filed: 2000-08-25
Abstract: PURPOSE: A concrete food feeder for a pig, a manufacturing method thereof, and a mold form are provided to improve the rigidity and the durability of the feeder, to prevent the shaking thereof, and to prevent the feeder from being bitten by the pig. CONSTITUTION: The method for manufacturing the concrete food feeder for a pig comprises the steps of; applying water soluble industrial glue to the outer surface of an inner mold form and the inner surface of an outer mold form, and then completely drying the mold forms; putting a steel structure between the dried mold forms, and firmly fastening them by using a bolt(30); pouring concrete mixture into the assembled mold form(80) while applying vibration to the mold form; curing the mold form charged with the concrete mixture for about one day; taking the molded food feeder out of the mold form; and naturally curing the food feeder while supplying moisture for seven days.
Patent KR-20020021434-A (KR)
Inventor: CHOI MIN SEON
IPC: F02M25/07
Filed: 2000-09-15
Abstract: PURPOSE: An Exhaust Gas Recirculation(EGR) device is provided to control the amount of exhaust gas flowing in a cylinder according to the difference of external air temperature. CONSTITUTION: In an Exhaust Gas Recirculation(EGR) device of a vehicle, an intake valve(110) is closely installed into a combustion chamber and inhales external air into the inside of a cylinder by openning/shuttering. An exhaust valve(120) is installed around the intake valve with a predetermined interval and exhausts the mixed gas within the cylinder into external by openning/shuttering. A first link(130) is coupled on the upper part of the intake valve and opens/shutters the intake valve. A second link(140) is coupled on the upper part of the exhaust valve and is interlocked by the first link and opens/shutters the exhaust valve. An EGR controller(150) is integrally coupled with the first link and transfers the motion of the first link to the second link and has variable length according to the difference of external temperature.