baber/WOPTO huggingface dataset:
Patent KR-20000001640-A (KR)
Title: Apparatus for guiding optimum broadcasting frequency
Inventor: SANG KYEONG PHIL
IPC: H03J7/00
Filed: 1998-06-12
Abstract: PURPOSE: Apparatus for guiding optimum broadcasting frequency displays a broadcasting frequency which is possible to be heard in a specific area, and informs the driver of the broadcasting frequency. CONSTITUTION: An optimum broadcasting frequency guide device includes a broadcasting information part(10) for generating a broadcasting information signal for informing an optimum broadcasting frequency information in a specific area. Encoder(20) encodes a broadcasting information signal of the broadcasting information part(10) by using a digital signal. A transmitter(30) amplifies the digital signal applied from the encoder(20), and transmits it. Information receiver(40) receives the digital signal applied from the transmitter(30), and amplifies it. A decoder(50) decodes the digital signal applied from the information receiver(40). A microcomputer(60) generates a tuning frequency driving signal for receiving a desired broadcasting frequency through AM/FM tuner(62), and generates an information display signal for displaying a broadcasting frequency information displayed by the digital signal according to a manipulation of the function selection switch(61) after receiving the digital signal applied from the decoder(50). When the microcomputer(60) outputs the information display signal, an information display part(70) displays an optimum broadcasting frequency information in a specific area.
Patent KR-19990013773-A (KR)
Title: 광 기록 재료의 노광 기록 방법
IPC: H01L21/027
Filed: 1998-07-10
Abstract: 광 디스크 원반의 노광 장치(20)에 있어서, 원자외선의 광원 레이저(1)와 0.85 이상의 개구수를 가진 대물 렌즈(7)를 사용하여 회절 한계 레벨까지 집광된 광 빔의 전력 밀도는 4v×10 2 W/cm 2 이상으로 설정되며(여기서 v [cm/sec]는 기록 선속도를 나타냄), 광 디스크 원반(9)상의 포토레지스트는 노광 및 열처리를 동시에 받게 된다.
Patent KR-20000013413-A (KR)
Title: Semiconductor package wrapping device and method thereof
Inventor: YANG HEE SANG
IPC: B65B5/10
Filed: 1998-08-07
Abstract: PURPOSE: A semiconductor package wrapping device and method thereof is provided to minimize faulty packing and maximize efficiency of packing. CONSTITUTION: The semiconductor package wrapping method comprises steps; step1, to separate a tray with a semiconductor package contained in it from the stored up trays; step2, to receive the semiconductor package contained in the separated tray and make a visual inspection; step3, to receive the inspected tray and pile up by rod; step4, to make a primary wrapping by each rod paying attention not to allow the rod separated again to each individual tray; step5, to receive the primary wrapped trays to make a secondary wrapping in a vacuum.
Patent KR-20000019646-A (KR)
Title: Air conditioner having heater assembly
Inventor: JANG GYEONG SEOK
IPC: F24F13/00
Filed: 1998-09-14
Abstract: PURPOSE: An air conditioner is provided to increase a variable range of a capacity, having a heater assembly for easily equipping a heater holder. CONSTITUTION: A heater assembly(20) is manufactured by the steps of: separating a lower member(28) and an upper member(32) of a side frame(28), settling a heater holder(26) so the rim of an installing hole(28a) of a holder as to be contained in an installing groove(26b) of the heater holder(26), settling the upper member(32) on the upper part of the lower member(31) to equip the heater holder(26), then installing the heater holder(26) at both ends of the heater(25), and combining the side frame(28) and a front/rear frame(27) by a screw each other to assemble a heater frame(27,28). To equip the heater holder(26), all you have to do is to insert the heater holder(26) between the upper member(32) and the lower member(31).
Patent KR-20000024692-A (KR)
Title: Self-diagnosing device of electronic control type driving device
Inventor: HAN HYEONG DEOK
IPC: B60K35/00
Filed: 1998-10-01
Abstract: PURPOSE: A self-diagnosing device of a driving device is provided to examine a breakdown by operating a sensor and a driving device, using a port in a microcomputer of the self-diagnosing device. CONSTITUTION: A self diagnosing device is comprised of a microcomputer(10) for judging whether there is a breakdown by checking a breakdown check signal, a signal dividing circuit(12) for dividing and outputting a driving device control signal and the breakdown diagnosing output from the microcomputer, a first switch(20) for outputting an action signal of the driving device, a second switch for selecting a diagnosing check mode by the output breakdown check signal and a breakdown diagnosing signal output unit for feeding the breakdown examining signal to a driving device control port of the micro computer. Thereby, the number of the port can be reduced, and the wiring to connect the port of the microcomputer with the driving device can be simplified since the operation of the driving device is automatically checked and alarmed by using one port.
Patent KR-20000025064-A (KR)
Title: Method for fabricating thin film of wafer
Inventor: HONG SEOK JONG
IPC: H01L21/027
Filed: 1998-10-08
Abstract: PURPOSE: A method for fabricating a thin film of a wafer obtains a pattern profile of photoresist pre-baked, and enhances a line width uniformity. CONSTITUTION: A method for fabricating a thin film of a wafer deposits a photoresist on a wafer, volatiles a solvent component, performs alignment and a light-exposing process, performs a developing process, performs a hard-baking process, and makes a thin film pattern on a wafer. After the light-exposing process(30), the method illuminates a ultra violet rays on the photoresist, and performs a hardening process(50) by a diffusion, so that a fine pattern fabrication becomes possible. Thereby, the method obtains a pattern profile of photoresist pre-baked, and enhances a line width uniformity, enhances a resolution, ensures a focus depth, and achieves easy fine pattern fabrication.
Patent KR-19990036935-A (KR)
Title: 액정 배향제
IPC: G02F1/1337
Filed: 1998-10-08
Abstract: 본 발명은 액정 배향성이 양호하고 액정 표시 화면 주변부에 표시 불량이 발생하기 어려운 액정 배향제를 제공하기 위한 것이다. 
     본 발명은 [a] 폴리아믹산 및 폴리아믹산의 이미드화 중합체로부터 선택되는 적어도 1종의 중합체, 및 [b-1] 특정한 알코올 화합물 및(또는) [b-2] 특정한 알콕시실란 화합물을 함유하는 것을 특징으로 하는 액정 배향제를 제공한다.
Patent KR-20000027332-A (KR)
Title: Anode assembly of magnetron
Inventor: BAEK YOUNG GEUN
IPC: H01J23/22
Filed: 1998-10-28
Abstract: PURPOSE: An anode assembly of magnetron is provided to prevent the generation of noise by mixing of leaked high frequency electric field and magnetic flux from a permanent magnet. CONSTITUTION: An anode assembly of magnetron comprises an anode body(1), plural vanes(2) radially disposed on inner circumferential surface of the anode body, a pole piece output(6) and a pole piece filter(7) coupled to top and bottom of the body, and a top shield(9) mounted on open side of the pole piece output. The pole piece output(6) has a breaker groove(30) for breaking leakage of high frequency electric field through a space between the pole piece output and the top shield.
Patent KR-20000028452-A (KR)
Title: Method for matching partial outlines of face-matched texture image
Inventor: YUN KANG SIK
IPC: H04N7/14
Filed: 1998-10-31
Abstract: PURPOSE: A method for matching partial outlines of a face-matched texture image is provided to transmit and describe an exact face outline which closely resembles a face by matching many partial outlines in the texture face image, matched for texture-mapping in a coding system on the basis of a three dimensional model, with an oval curved surface. CONSTITUTION: A method for matching partial outlines of a face-matched texture image, in a system on the basis of a three dimensional model using a model of a three dimensional standard face image, comprises the steps of: extracting an edge image from a matched texture image; setting up outline regions for processing outlines in the extracted edge image; selecting one oval model having a curved surface, closely matched with outlines of the set regions among many oval models, having curved surfaces similar to the outlines of the set regions; and finely adjusting the outlines on a curved surface of a corresponding region of the selected oval model. The regions for processing the outlines has a chin outline region, a cheek outline region of left/ride sides of lips, an outline region of left/right sides of a nose in the edge image.
Patent KR-20000031742-A (KR)
Title: Stabilizer for secondary battery
Inventor: HWANG YI JU
IPC: H01M10/05
Filed: 1998-11-10
Abstract: PURPOSE: A stabilizer for secondary battery is provided to accurately set the pressure of a plate having a safety valve and a current breaker, thereby assuring the stability against error operation or explosion. CONSTITUTION: A stabilizer for secondary battery comprises an electrode unit(2), liquid electrolyte(4), a gasket(6), a plate(14) having a safety valve, an insulator(160), a cap cover(10), and a current breaker(180). A positive electrode, a negative electrode and separators are wound on the electrode unit(2). The electrode unit(2) and liquid electrolyte(4) are inserted into the can. The plate(14), the insulator(160) and the cover(10) are sequentially stacked on the bottom of the can(4) as a cap assembly(8). The current breaker(180) is inserted between the plate(14) and the insulator(160).
Patent KR-19990014512-A (KR)
Title: 브라운관의 형광막 검사방법 및 그 장치
IPC: H01J9/42
Filed: 1998-11-16
Abstract: 본 발명은 브라운관의 형광막 검사방법 및 그 장치에 관한 것으로, 상세하게는 브라운관의 패널이 안치되는 진공실내에 칼라(R.G.B)전자총과 편향회로를 설치하여 전자빔이 패널의 형광막으로 편향 주사되게 함으로써 마치 제품에 설치된 브라운관과 같은 실제 환경하에서 패널의 형광막 및/또는 새도 마스크를 한꺼번에 검사할 수 있게 함으로써 형광막 및/또는 새도 마스크에 의한 브라운관의 불량을 패널과 펀넬을 결합하기 전에 발견할 수 있도록 함으로써 브라운관의 원가를 획기적으로 줄일 수 있게 한 것이다.
Patent KR-20000032896-A (KR)
Title: Noncontact type key input sensing apparatus and method thereof
Inventor: KWEUN KI PIL
IPC: H01H35/00
Filed: 1998-11-18
Abstract: PURPOSE: A noncontact type key input sensing apparatus is provided which senses and judges a key input intended to operate with a lighting by sensing the approach of a finger, and performs the function of the corresponding key. CONSTITUTION: A noncontact type key input sensing apparatus includes: an approach sensing part(202,203) sensing that a finger approaches to a key switch group; a lighting part(204) which executes a back lighting as to the whole key switch group to give the convenience to operate and also performs a single lighting to a specific key intended to operate; and a control part(201) which controls the approach and key lighting to light the whole key switch group first by controlling the lighting part when the approach of the finger is sensed by the approach sensing part, and then to perform the single lighting as to the corresponding key by judging the operation intension as to the specific key.
Patent KR-20000033132-A (KR)
Title: Code transformation for support region mode seccession fuction on chill converter
Inventor: PARK KYUNG SOOK
IPC: G06F17/22
Filed: 1998-11-19
Abstract: PURPOSE: A region mode is to change chill module, code transformation method is an element procedure to define in region mode is changed code to guarantee critical by sema fore. A code transformation method is to realize program, that is able to read a record medium by computer. CONSTITUTION: A region mode is to change chill module, element data in region mode is to change chill code by transformation rule of chill code and an element procedure change critical to guarantee by sema fore on code transformation method is to apply. And then, a first is a high rank mode is to examine region mode or not. A second is code is created by seize, if a high rank mode should region mode by examination result of the first step. A third is a high rank element to have general visible is redefine critical to guarantee, if a high rank should anti-transformation module mode by examination result of the first step.
Patent KR-20000033435-A (KR)
Title: Method for measuring thickness on silicon on insulator wafer
Inventor: KIM WON JIN
IPC: G01B11/02
Filed: 1998-11-23
Abstract: PURPOSE: A method for measuring a thickness of a material layer formed on a silicon on insulator(SOI) wafer is provided. CONSTITUTION: An SOI wafer where a buried insulating layer(102) and a silicon layer(104) are sequentially stacked on a semiconductor substrate(100) is provided. The semiconductor substrate(100) is exposed by trench-etching the silicon layer(104) and the buried insulating layer(102) of the SOI wafer. Thereafter, active devices are formed on the silicon layer(104) of the SOI wafer. A thickness of a material layer to be formed in a succeeding process, such as an oxide film(114), is monitored on the exposed semiconductor substrate(100) of the SOI wafer, thereby precisely measuring the thickness of the material layer.
Patent KR-19990062604-A (KR)
IPC: G03F7/033
Filed: 1998-11-25
Abstract: A negative acting photoimageable composition comprises:   (A) 30 to 70 wt.% of organic binder polymers having sufficient acid functionality to render said photoimageable composition developable in alkaline aqueous solution and comprising:   A') 3 to 65 wt.% of a binder polymer having a weight average molecular weight of 5000 to 40,000 and a Tg of 40 to 100 DEG C, and A") 5 to 67 wt.% of a binder polymer having a weight average molecular weight of 41,000 to 200,000 and a Tg of 40 to 100 DEG C,   (B) 30 to 60 wt.% of  alpha , beta -ethylenically unsaturated compounds comprising:   B') an isocyanate trimer having tri- alpha , beta -ethylenically unsaturated functionality, said trimer being present at from 2 to 30 wt.%, and B") 0 to 5 wt.% of other  alpha , beta -ethylenically unsaturated compounds, at least about 50 mole percent of the  alpha , beta -ethylenically unsaturated functionality of (B') and (B") being methacrylate functionality and   (C) from 0.5 to 15 wt.% of an organic, radiation-sensitive free-radical generating photoinitiator chemical system, comprising from 0.005 to 3 wt.% of triphenylphosphine and from 0.005 to 2 wt.% of n-phenylglycine, all said percentages being based on the total weight of (A) plus (B).
Patent KR-20000033993-A (KR)
Title: Method and equipment for a document linup by information of word processor
Inventor: CHAE YOUNG SOOK
IPC: G06F17/27
Filed: 1998-11-26
Abstract: PURPOSE: When a document is to edit on line unit, last word of line is to divide on more theme unit by form more theme contents data base, centering around form morpheme is not to have means, line is to regulate. A subject is to provide a method and equipment for a document lineup by morpheme information of word processor. CONSTITUTION: A document lineup equipment use more theme information of word processor. A document lineup equipment include a form more theme element dictionary, more theme analysis equipment and thrases regulation equipment. A method for document lineup use more theme information, a first through a third. The first is last thrases of a line is to divide contents more theme and form more theme and line change location. The second is centering around line change location of last thrases is to change line. The third is a thrases interval and a space size is to regulate one more.
Patent KR-19990014652-A (KR)
Title: 선박의 방위 측정장치 및 그 방법
Filed: 1998-11-27
Abstract: 본 발명은 자기의 세기에 따라 저항(또는 임피던스)이 변화하는 자기 저항소자(Magnetic  resistance  device : 또는 자기 임피던스 소자)를 이용하여 지자기(地磁氣)를 검출 및 증폭하고, 이 신호를 마이크로 컴퓨터에서 제어프로그램에 의해 연산 처리함으로써 선수(船首)의 방위를 추정할 수 있도록 하는 선박의 방위 측정장치에 관한 것이다. 
     이를 위하여 본 발명은 선박의 방위 측정장치에 있어서, 선체의 x, y, z축 방향의 지자기를 검출하는 지자기 검출장치와, 선박의 롤링각도와 피칭각도를 감지하여 이에 비례한 신호를 출력하는 롤링 및 피칭 감지센서와, 선박의 건조과정 등에서 발생되는 자차를 보정하기 위해 다수의 가변저항으로 구성된 자차수정부와, 상기 지자기 검출장치의 출력단에 연결되어 선박의 지자기 신호를 차동증폭하여 출력하는 제 1 내지 제 3 지자기 검출회로와, 상기 제 1 내지 제 3 지자기 검출회로, 롤링 및 피칭 감지센서, 자차수정부의 각 출력 데이터를 각각 입력 받아 선박의 방위를 측정하고 시스템 전체를 제어하는 마이크로 프로세서와, 상기 마이크로 프로세서의 일측에 연결되어 지역에 따라 발생되는 편차의 자동수정 프로그램, 자차수정 프로그램 등을 포함한 방위연산 프로그램 및 시스템 제어 프로그램이 저장되어 있는 롬 및 램과, 상기 마이크로 프로세서의 타측단에 연결되어 외부 통신기기와 데이터를 송수신할 수 있는 통신부와, 상기 마이크로 프로세서의 입력단에 연결되어 자차 값 및 편차의 자동 수정여부를 선택 조작하는 운전모드 선택부와, 상기 마이크로 프로세서의 출력단에 연결되어 연산된 선박의 방위를 디스플레이시키는 액정표시부로 구성된 것에 특징이 있다.
Patent KR-20000004870-A (KR)
Title: Method for fixing optic fiber used for optical amplifier using the embossing fixing sleeve
Inventor: PARK SEUNG HO
IPC: H04B10/25
Filed: 1998-11-30
Abstract: PURPOSE: A method for fixing an optic fiber used for optical amplifier using the embossing fixing sleeve miniaturizes an optical amplifier for amplifying a weak optic signal received from the optical line. CONSTITUTION: A method for fixing an optic fiber used for optical amplifier inserts a connection part between optic fibers(10,20) into a fixing sleeve of DA-shape or U-shape, fills the inside of the fixing sleeve with epoxy(40), hardens the epoxy with ultraviolet optical source, and achieves a fixing of the optic fiber. Thereby, the fixing sleeve(80) is not separated, a sleeve operation after connecting the optic fiber is possible, the entire size of the optical amplifier is reduced.
Patent KR-20000034643-A (KR)
Title: Method of establishing virtual circuits of multicast atm between ends for transmitting multicast ip traffic in atm network
Inventor: KOO KYONG CHEOL
IPC: H04L12/433
Filed: 1998-11-30
Abstract: PURPOSE: A method of establishing virtual circuits of a multi cast ATM between ends for transmitting multi cast IP traffics in ATM network is provided so that although a communication is achieved through the several Logical IP Subnet (LIS), it is not necessary to pass a router by providing a protocol capable of applying a multi cast IP traffic within the ATM network. CONSTITUTION: A method of establishing virtual circuits of a multi cast ATM between ends for transmitting multi cast IP traffics in ATM network includes several steps. A step is to transmitting periodically a message of Multicast Callback Request from an ingress internet protocol multi cast router(21) to an egress internet protocol multi cast router(24). A step is to require an opening of a multi cast virtual circuit after determining the open of the multi cast virtual circuit. A step is to start the transmission of internet protocol multi cast packet through the multi cast virtual circuit. A step is to receive the internet protocol multi cast packet from an ingress internet protocol multi cast router.
Patent KR-19990024093-A (KR)
Title: 소모에너지와 가속력을 이용한 전기자동차 밧데리 충전용 자가전기발전장치
Filed: 1998-12-03
Abstract: 본 발명은 전기자동차와 같이 전기를 에너지원으로하여 구동하는 차량에 있어서, 바퀴가 구른 후 바퀴에 운동에너지로 남아있다가 그대로 소비되어 버리는 소모에너지와 차량의 속도가 증가함에 따라 바퀴에 발생하는 가속력을 이용하여 발전기를 돌려서 전기를 얻고, 그 전기로 모타에 에너지를 공급하는 밧데리를 차량이 일정속도 이상으로 운행하는 동안 계속해서 충전하여, 밧데리의 에너지효율을 훨씬 더 높게하는 '소모에너지와 가속력을 이용한 전기자동차 밧데리 충전용 자가전기발전장치' 를 제공하는데 목적이 있다. 
     이를 실현하기 위하여 본 발명은 전기자동차 뒷바퀴휠에 기어를 결합시키고 발전기의 축에 달린 기어와 맞물려 돌아가게 장치하여, 차량이 일정속도 이상으로 주행하면 발전기가 작동하고 전기를 생산하여 그 전기로 밧데리를 계속 충전시키도록하여 밧데리의 에너지 효율을 높이는 효과를 얻도록 하고 있다.
Patent KR-20000039175-A (KR)
Inventor: JEON CHAN UNG
IPC: H01L21/76
Filed: 1998-12-11
Abstract: PURPOSE: A semiconductor chip is provided which is to prevent the generated cracks from intruding into the semiconductor chip by forming a trench on the scribe line and in the semiconductor chip. CONSTITUTION: A semiconductor chip is provided wherein many trenches(13) are formed on the scribe line(11), in the semiconductor chip(10), and into the space, except for the portion where the device had been formed, while the shapes of the transaction of the trench(13) are a circle, an ellipse, a triangle, a square, a rectangle, a pentagon, a hexagon, a lozenge, star or iron dumb-bells, and the shapes of vertical section thereof are U-type, V-type or water jar-type.
Patent KR-20000039748-A (KR)
Title: Apparatus for translating web documents written in multi-languages and method for translating service using the apparatus
Inventor: SIM CHEOL MIN
IPC: G06F17/28
Filed: 1998-12-15
Abstract: PURPOSE: An apparatus for translating web documents written in multi-languages and a method for a translating service using the apparatus is provided to navigate the web using a native language by automatically translating various foreign language on the web documents into the native language. CONSTITUTION: A hyper-text transfer protocol(HTTP) server(11) connects a user to an automatic translation device(17) through a web. The automatic translation device(17) is operated by the HTTP server(11) while the user is connected to the HTTP server(11) to perform a translation. A translation control device(12) manages a proxy control device(14) and processes a translating object document as a translating shape. A proxy server(13) receives an original document by the translation control device(12), stores and manages a translated result document, and transmits the translation object document quickly. A proxy control device(14) controls an operation of the proxy server(13), and is interlocked with the translation control device(12). An additional function device(15) provides an additional function such as a general document translation function and a meta search function. A language recognizing device(16) analyzes the original document to recognize a language by a document, a paragraph and a composition, accesses a corresponding translation device and collects a translated result. A multi-language automatic translation device(17) performs a translation according to a pair of languages.
Patent KR-20000040184-A (KR)
Title: Ink level measuring device of wet type printer
Inventor: SHIN SUNG SU
IPC: B41J2/195
Filed: 1998-12-17
Abstract: PURPOSE: An ink level measuring device of a wet type printer is provided to detect an amount of residual ink regardless of viscosity of the ink by providing a magnetic float to be contact with an inner wall of an ink case at a point, thereby preventing printing errors due to the lack of ink. CONSTITUTION: An ink level measuring device of a wet type printer includes an ink case(10) a first part(12) for receiving ink and a second part(13) defined by a plurality of walls in a predetermined space of the first part for freely introducing the ink, a magnetic float(20) made of a material having a lower specific gravity than the ink for providing information on a level of the ink stored in the second part of the ink case according to a vertical displacement and having a wider upper part and a narrower lower part for point-contact with the walls while floating, a magnetic sensor(17h,17r,17l) positioned under the influence of a magnetic field of the magnetic float to detect the ink level according to a height of the magnetic float, and an ink level measuring part(18) for measuring the level of the ink stored in the ink case according to an electric signal output from the magnetic sensor.
Patent KR-19990063226-A (KR)
Title: 비터비 디코딩 장치 및 비터비 디코딩 방법
IPC: G06F11/10
Filed: 1998-12-18
Abstract: 비트 수 = 8 및 워드 수 = 4의 3개의 이중-포트 RAM이 경로 메모리 회로내에 제공된다.  경로 선택 정보가 제어 회로의 제어에 따라 매 클럭마다 3개의 RAM으로 순차적으로 기록된다.  반면에, 경로 선택 정보가 제어 회로의 제어에 따라 RAM으로부터 매 클럭마다 판독되고 판독 경로 선택 정보로서 트레이싱 회로로 입력된다.  트레이싱 회로는 판독 경로 선택 정보 및 제어 회로에 의해 형성된 트레이스 시작 상태 정보를 기초로 3시각 만큼의 트레이싱 동작이 수행된다.  트레이싱 결과를 기초로, 순차 클럭내의 디코딩 데이타 및 트레이스 시작 상태가 수용된다.
Patent KR-19990063471-A (KR)
Title: 촬상 소자
IPC: H04N9/04
Filed: 1998-12-24
Abstract: 임의의 기본 블럭의 컬러 화상 신호를 출력하고 출력측에서의 처리를 원활하게 하기 위해, 각각이 컬러 필터 어레이를 갖는 복수개의 광 검출기, 상기 복수개의 광 검출기 중 적어도 하나를 갖는 임의의 기본 블럭을 수직 방향에서 선택하는 수직 방향 선택 회로, 수평 방향에서 상기 임의의 기본 블럭을 선택하는 수평 방향 선택 회로, 및 상기 수직 방향 선택 회로와 상기 수평 방향 선택 회로에 의해 선택된 임의의 기본 블럭 내의 광 검출기로부터의 출력을 병렬 출력하는 출력 회로를 포함하는 촬상 소자를 제공한다.
Patent KR-20000043948-A (KR)
Title: Steel cord for the reinforcement of rubber having different twist density and twist direction, and preparation device thereof
Inventor: LEE BYUNG HO
IPC: D07B3/08
Filed: 1998-12-29
Abstract: PURPOSE: A steel cord for the reinforcement of rubber is provided which has improved handling workability and structural stability at the time of forming a tire, and a preparation device thereof is also provided which has advantages in productivity and is simple. CONSTITUTION: A steel cord for the reinforcement of rubber is prepared from a method comprising twisting a number of element wires by overtwister using out-out strand method to form a steel cord, wherein both twist density and twist direction are different along the longitudinal direction of the steel cord, as the rotatory direction and speed of the neighboring overtwister being controlled differently.