baber/WOPTO huggingface dataset:
Patent KR-20020031210-A (KR)
Title: Apparatus for removing suspension matters on rolling oil
Inventor: CHOI GANG SIK
IPC: B01D33/00
Filed: 2000-10-23
Abstract: PURPOSE: A device for the elimination of suspension matter of rolling oil in cold rolling line is vertically movable according to fluctuation of rolling oil level so as to completely remove suspended scum. CONSTITUTION: The device comprises: a buoying part(20) in which a float(22) is installed inside a circulating tank(10) for rolling oil to buoy according to the level of the rolling oil; an elimination part(40) of the suspension material installed with a suspension elimination plate(42) which moves along the inclined orbit to remove the suspension material on the upper part of the buoying part(20); and a moving part(60) in which a moving chain(62) is connected to move the removing plate(42) of the suspension material along the orbit and installed in stepwise connection from the top of the float(22).
Patent KR-20020034228-A (KR)
Title: Method for upgrading S/W using OTA service provision in mobile terminal and system for the same
Inventor: LEE HYEONG GEUN
IPC: H04B1/38
Filed: 2000-10-31
Abstract: PURPOSE: A method and system for upgrading a software of a mobile terminal using an OTA service provider is provided to manage the software installed in a wireless terminal using the OTA service provider. CONSTITUTION: Software information of a terminal is collected through a base station(S100). Software information is transmitted to a mobile terminal provider server, and software information is analyzed through a user DB and upgrade preparation is performed(S101). A user receives a character message and calls a free phone client center for upgrade(S102). The upgrade is started and data are transmitted(S103).
Patent KR-20020033480-A (KR)
Title: a screen and a audio chatting system with GON game
Inventor: PARK TAE CHUL
Filed: 2000-10-31
Abstract: PURPOSE: A video and voice chatting system is provided to enable chatters to play a GON game and simultaneously to have a voice chat with the other while looking the other's face over the internet. CONSTITUTION: The system comprises an initial video chatting step and a menu selection step. In the initial video chatting step, the user can check a face or a character of the other. In the menu selection step, the user clicks on a menu bar if the user finds the other game player or wants to make a game room on a service site. The screen includes a player checking window(10), a game playing window(11) and a chatting window(12). The player checking window displays faces or character of players in access to a game room. The game playing window(11) displays a game progress status, and enables game players to play a GON game by turns. The chatting window(12) enables the game players to have a voice chat with other players while enjoying the game.
Patent KR-20020034706-A (KR)
Title: Transceiver having double loop filter for radio communication device
Inventor: KIM HONG GYU
IPC: H04B1/54
Filed: 2000-11-03
Abstract: PURPOSE: A transceiver for a wireless communication device having a dual loop filter is provided to selectively improve synchronous time and phase noise characteristics of a local oscillator. CONSTITUTION: An input terminal of the first loop filter(201) connects to a PLL(Phase Locked Loop)(119). An input terminal of the second loop filter(203) connects to the PLL(119). A synchronous characteristic of the second loop filter(203) is relatively more degraded than a synchronous characteristic of the first loop filter(201), and a phase noise characteristic of the second loop filter(203) is more excellent than a phase noise characteristic of the first loop filter(201). A switch(205) connects to output terminals of the first and second loop filters(201,203), responds to transmitting/receiving mode signals, selects one between the first and second loop filters(201,203), and connects the selected loop filter to a local oscillator(123).
Patent KR-20020037240-A (KR)
Inventor: LEE YONG HAK
IPC: E03D1/14
Filed: 2000-11-13
Abstract: PURPOSE: A water-saving toilet bowl is provided to wash away excrements with small quantity of water compared with conventional toilet bowl. CONSTITUTION: The water-saving toilet bowl comprises: a water tank(5) provided with a drain outlet(6) moving vertically according to the quantity of water at the supported state by a coil spring(4); a case(12) making excrements discharge vertically by receiving the water drained from a water supply unit(8), then draining through a drainage hole(10) along a discharge hole(14); a ring-shaped rubber backing(9) letting the drain outlet(6) fit into the water supply unit(8) to be waterproofed; a push bar(17) attached to the lower part of a water tank(5) longitudinally; a lever bar(18) pushed or relaxed by the push bar(17) to operate a discharge part(15) of the case(12), and an operating instrument(20) provided with an operating plate(19); an operating room provided with an outlet(24) with the built-in operating plate(19); and a water tank cover(30) covering up the water tank(5).
Patent KR-20010086269-A (KR)
Title: system for molding of rubber products
Inventor: LEE WON SIK
IPC: B29C43/00
Filed: 2000-11-25
Abstract: PURPOSE: A rubber product molding system is provided to reduce raw material of rubber and to shorten the time for molding a rubber product completely by using an injection molder and a press integrally. CONSTITUTION: A rubber product molding system is comprised of: an injection molding machine(11) injection-molding a raw material of rubber into a rubber product; a press(18) molding the injection-molded material into the perfect shaped rubber product by pressing the injection-molded rubber product; a moving unit(27) carrying the injection-molded rubber product or the perfect shaped rubber product by the press; a discharge unit(32) discharging the perfect shaped rubber product having no products loss to outside by eliminating the products loss part of the rubber product; a movable mold(1) for injection-molding the rubber product in the injection molding machine, for molding the injection-molded product into the perfect shaped rubber product, and for discharging the rubber product; and a control box for controlling the action of each unit selectively. The rubber product is injection-molded in the injection molding machine and pressed in the press independently. The exact amount of raw material of rubber is used for molding the rubber product actually. Therefore, the raw material of rubber is reduced and the runner loss is eliminated.
Patent KR-20010062162-A (KR)
Inventor: HAMADA MASASHI
IPC: H04B7/26
Filed: 2000-12-06
Abstract: PURPOSE: To provide a communication system that can reduce a capacity of a memory for a wireless controller and can relieve a load for assignment processing of an identifier to specify a wireless terminal. CONSTITUTION: A wireless base station 112a provides a temporary terminal identifier to a wireless terminal 111 in timing of forming a wireless link with the wireless terminal 111 and manages the relation between an identifier specific to the wireless terminal 111 and the temporary terminal identifier given to the wireless terminal 111. Thus, a wireless channel controller 13 (network side) requires no memory to manage the relation between the terminal information specific to the wireless terminal 111 and its temporary terminal identifier and assignment of the temporary terminal identifier to the wireless terminal 111 is not needed.
Patent KR-20020045169-A (KR)
Title: Business Model for consulting gene information using DNA chip
Inventor: LEE KYUNG HOE
IPC: G06F19/10
Filed: 2000-12-08
Abstract: PURPOSE: A business model for consulting the generic information using a DNA chip is provided to offer a molecular tagging method using the DNA sequencing in order to prevent a source of a conflict relating to the use of a microorganism by clearly stating the ownership. CONSTITUTION: The molecular tagging method comprises the steps of producing a DNA sequence corresponding to a text string of a desired English name tag, making a series text string by legating the text string sequence, attaching a primer for a PCR(Polymerase Chain Reaction) to both ends of the text string and attaching a restriction site capable of legating with a vector to the outside of both ends, making a sticky end by processing with a restriction enzyme, and inserting the sticky end into the vector processed by the enzyme same as the restriction enzyme, and transforming the vector to the desired microorganism.
Patent KR-20020047803-A (KR)
Title: Mold cooling apparatus for glass products
Inventor: BAEK CHANG IN
IPC: C03B11/12
Filed: 2000-12-14
Abstract: PURPOSE: A cooling system of a mold to form glass products, panels for cathode-ray tubes, is provided, which is characterized in that a rectifying tube forming wings is installed inside basket valve to cool the mold uniformly. Accordingly, the cooling system, being easily installed, prevents inferior production, and offers reproducible cooling. CONSTITUTION: The cooling system equipped with a duct(32) supplying air, and a basket valve(34) controlling the flux of air comprises the parts of: a rectifying tube(40) installed inside basket valve vertically to lead the flow of air in a straight line; a number of wings(42), formed on the outer side of the basket valve to distribute air passing through holes(34a) on the basket valve, resulting in one or more of vertical flow-line(42A) corresponding to the holes, and horizontal flow-line(42B) connected to the lower part of rectifying tube; a shut-off ring(44) on the top of rectifying tube to block the vertical flow lines. Therefore, the air passing through the holes on the basket valve is distributed and rectified by rectifying tube and wings for cooling the mold uniformly.
Patent KR-20020052480-A (KR)
Title: A method for forming a memory cell
Inventor: KWON IL YEONG
IPC: H01L27/108
Filed: 2000-12-26
Abstract: PURPOSE: A memory cell formation method of semiconductor devices is provided to easily achieve sufficient capacitance and to prevent degradation by etching a metal electrode and an oxide layer using an insulator containing RuTi as a hard mask. CONSTITUTION: An oxide layer(23) is formed on a semiconductor substrate(21). A hard mask(25) with RuTi is formed on the oxide layer(23). After patterning the hard mask(25) using a photoresist pattern(27), the oxide layer(23) is selectively etched by using the hard mask pattern as a mask. At this time, the hard mask(25) is composed of RuTiON, RuTiO or RuTiN.
Patent KR-20020052741-A (KR)
Inventor: CHO IN SEONG
IPC: B22D11/00
Filed: 2000-12-26
Abstract: PURPOSE: An automatic feeder of mold flux in a continuous caster is provided to improve quality of molten steel and convenience of working by accurately controlling amount of powder to be automatically injected into molten steel. CONSTITUTION: The automatic feeder of mold flux comprises a bucket body(10) in the central lower part of which an inclined surface(4) is formed to slide powder(1) into a discharge port(2), to the inner side of which a height sensor(6) is adhered to measure height of the powder injected(1), and at a certain portion of which a submerged nozzle groove is formed to avoid collision with a submerged nozzle positioned at the central part of a mold; slit support plates(14) which are installed in the lower part of the discharge port(2) formed at the lower part of the bucket body(10) with the slit support plate(14) being spaced apart from each other in a certain distance, and on which a plurality of penetration holes(12) are formed; a slit(20) which is installed between the slit support plates(14), on the surface of which holes(16) are selectively formed so that the holes are connected to the penetration holes(12) of the slit support plate(14), and at the lower part of which a rack part(18) is formed; a driving motor(26) which is connected to the lower part of the bucket body(10), and which engages a pinion(24) equipped at a driving shaft(22) with the rack part(18) of the slit(20); and a control unit(28) and a controller(30) which are integrally connected between the height sensor(6) and the driving motor(26) in order to simultaneously give warning to workers in case that a discharge amount having a certain value or less is sensed based on the signals by sensing signals of discharge rate and state of the powder(1) and move positions of the holes(16) of the slit(20) through the driving motor(26) in case that the powders(1) is discharged in a preset discharge rate.
Patent KR-20020054971-A (KR)
Title: Electrolytic Condenser Supply Device
Inventor: KIM HAN JUNG
IPC: H01G13/00
Filed: 2000-12-28
Abstract: PURPOSE: A supply device of an electrolytic capacitor is provided to restrain the defect of a terminal and improve productivity by arranging a terminal at a supply portion which supplies the electrolytic capacitor. CONSTITUTION: A capacitor insertion device supplies and inserts an electrolytic capacitor into an insulator. When a feeder supplies a terminal(2) of the electrolytic capacitor to be located in an upper side direction, a conveyer(112) conveys the terminal(2) of the electrolytic capacitor(1) arranged by the feeder to a guide member. An upper portion of the guide member(113) is widely tapered and a lower portion of the guide member(113) is shortly tapered. A guide member(113) arranges the terminal(2) of the electrolytic capacitor(1). A supply portion supplies the terminal of electrolytic capacitor(1) arranged by the guide member(113).
Patent KR-20020055740-A (KR)
Title: Magnetic security thread for preventing counterfeit and the uses thereof
Inventor: CHOI IL HUN
IPC: D21H21/42
Filed: 2000-12-29
Abstract: PURPOSE: Provided are a magnetic hidden line for preventing counterfeits and products containing the same which are characterized by having excellent property of magnetic strength, making it possible to discriminate truth and error easily, preventing counterfeits effectively, and being useful for a bank note, a check, securities and a loan bond. CONSTITUTION: The magnetic hidden line contains a layer patterning a metal magnetic material outline letters and a figure having 10-1000μm of thickness. The magnetic hidden line is obtained by setting polyester or polyethylene type film on both sides of the letters and figure layer; and coating a metallic layer and a colored layer on the outside of the film. The polyester or polyethylene type film contains under 0.02wt.% of metallic fiber selected from iron, nickel, cobalt, hard and soft metal thereof.
Patent KR-20020056315-A (KR)
Title: Pronunciation string display method at the time of edit for voice recognizing apparatus
Inventor: KIM HYEON A
IPC: G10L15/08
Filed: 2000-12-29
Abstract: PURPOSE: A method of displaying a pronunciation column while editing a pronunciation dictionary of a voice recognizer is provided to virtually distinguish a part requiring an editing work from a part not-requiring the editing work, and to correct the necessary part only, thereby minimizing an editing time and an error frequency. CONSTITUTION: A category of a specific character column is registered. Many words or character columns are registered again within the registered category. A font form to be applied to the registered category is set. When the character columns included within each category where the font form is set are displayed on a screen, the character columns are displayed by the preset font form.
Patent KR-20020058781-A (KR)
Title: Rotary type panel-conveying apparatus
Inventor: KIM JIN HUN
IPC: B65G29/00
Filed: 2000-12-30
Abstract: PURPOSE: A moving device of a rotary panel is provided to effectively transfer panels in a press forming process by moving up, moving down and rotating tool attachment bars through a guide shaft. CONSTITUTION: A housing(3) is fixed in the center of press processes. An operating cylinder(5) is vertically installed inside the housing. The lower part of a guide shaft(9) is connected with the housing through a piston rod(7). A slave gear(11) is formed in the lower part of the guide shaft. The slave gear is geared with a driving gear(17) through an idle gear(19). The idle gear is installed through an idle shaft(21). Four tool attachment bars(23) are fixed in a holder(25) at intervals of 90degrees and installed and dismantled through the holder. Two vacuum cups(27) are fixed in each tool attachment bar. Thereby, panels are transferred effectively.
Patent KR-20020058902-A (KR)
Title: A measuring device having various function
Inventor: JUNG EUN HWA
IPC: G01B3/20
Filed: 2000-12-30
Abstract: PURPOSE: A multi-function measuring instrument is provided to have wider measuring range and to be used as a pole for determining perpendicularity. CONSTITUTION: An instrument(100) includes a base(10); a supportive axis(20) joined to an upper surface of the base; a gauge panel(30) joined to one side of the supportive axis in longitudinal direction; a measurement supporting axis(40) joined to an outer side of the gauge panel and sliding on the gauge panel in longitudinal direction; a measurement guide member(50) installed to slide on the measurement supporting axis in longitudinal direction; and a measurement member(60) installed on one side of the measurement guide member.
Patent KR-20010015699-A (KR)
Title: 전기 기계
IPC: F16H63/30
Filed: 1998-10-07
Abstract: 본 발명은, 특히 내연기관을 시동하며 차량에 탑재된 네트워크에 전력을 공급하기 위한 전기 기계에 관한 것이다.  이 전기 기계는 유성 기어 시스템으로 작동하며 이 유성 기어 시스템을 통하여 내연기관에 연결될 수 있다.  전기 기계는 유성 기어 하우징을 마주하여 배치된 폐쇄 링 기어와 회전 태양 기어를 마주하여 배치된 폐쇄 링 기어 사이에 위치된 유성 기어 시스템을 전환함으로써 변화될 수 있다.  추가로, 전기 기계는 모터 작동과 제너레이터 작동 사이에서 변화될 수 있다.  본 발명에 따라서, 정지 하우징 부품과 링 기어(9) 사이에 배치된 기계식 전환수단은 구동수단을 통하여 원주방향으로 조절될 수 있다.  추가로, 링 기어(9)는 제 1 단부 위치 I로 폐쇄된다.  또한, 상기 링 기어(9)는 유성 캐리어(18)상에서 제 2 단부 위치 II로 폐쇄된다.
Patent KR-20010032190-A (KR)
Title: 박막의 안개화퇴적방법 및 그 장치
IPC: B05D1/04
Filed: 1998-11-09
Abstract: 액체질량흐름제어기(15)는 전구물질의 안개발생기(12)에의 공급을 제어한다.   전구물질은 산소 및 질소가스의 조합이 코로나와이어(328)에 의해 하전되어 전구물질충전목부(466)를 통과하는 벤튜리(460)를 이용해서 안개화된다.   안개의 입자크기는 안개정쇄기(302)내에서 감소되어, 감속챔버(636)내를 통과한 후, 상기 챔버와 접지된 상부전극사이의 간막이인 안개입구플레이트(682)내의 입구포트(688)를 통해서 퇴적챔버(632)내로 흘러들어간다.   입구플레이트(682)는 안개가 퇴적되어야 할 기판(600)의 평면위에 위치하고 그와 대략 평행하다.   가속기(18)는 상부 전극과 하부전극사이의 전계내의 하전된 안개입자를 기판(600)를 향하여 가속한다.   잔류안개는 퇴적챔버(632)로부터 배출포트(642)를 거쳐서 퇴출된다.
Patent KR-20010033733-A (KR)
Title: 티타늄 산화물 및 실리콘 산화물 기초 혼성 불투명재료제조방법 및 용도
IPC: D21H17/68
Filed: 1998-12-24
Abstract: 본 발명은 불투명재료로서 유용한 TiO 2 기초조성물 제조방법에 관계하는 것으로서, 적어도 하나의 무기 스페이서의 수성 분산물을 두가지 광물종이 혼합된 광물 플록으로 조합되는 조건에서 TiO 2 수성 분산물과 혼합하는 단계를 포함하며, TiO 2 입자가 스페이스 입자 또는 응집체에 의해 서로 간격이 떨어짐을 특징으로 한다. 본 발명은 또한 TiO 2 와 SiO 2 입자가 TiO 2 및 SiO 2 기초 혼성 광물 플록 형태로 조합되어서 TiO 2 입자가 실리카 응집체에 의해 서로 분리됨을 특징으로 하는 TiO 2 및 SiO 2 기초 조성물과 특히 종이산업에서 불투명재료로서의 용도에도 관계한다.
Patent KR-20010034442-A (KR)
IPC: C07D495/04
Filed: 1999-01-27
Abstract: 본 발명은 인자 Xa를 억제하는 옥소아자헤테로사이클릴 화합물, 이들 화합물을 포함하는 약제학적 조성물, 이들 화합물 제조에 유용한 중간체 및 인자 Xa를 억제하는 방법에 관한 것이다.
Patent KR-20010041916-A (KR)
Title: 스타틴-매트릭스 메탈로프로테이나제 저해제 복합제제
IPC: A61P9/00
Filed: 1998-11-20
Abstract: 본 발명은 MMP 저해제 및 스타틴을 포함하며, 혈관계 질환 치료에 유용한 제약 조성물이다.
Patent KR-20010042650-A (KR)
Title: 임피던스가 감소된 챔버
IPC: H01L21/3065
Filed: 1999-04-12
Abstract: 플라즈마 처리공정을 위한 임피던스 감소 챔버는 플라즈마 시스 전압이 플라즈마 임피던스의 범위에 걸쳐 실질적으로 플라즈마 임피던스에 독립적이라는 것을 포함하는 동작상의 이점을 가진다. 그러한 임피던스 감소 챔버의 설계는 척 조립체(30), 카운터 전극, 및 플라즈마원을 포함한다. 상기 척 조립체(30)는 처리공정 동안에 작업대상물(32)을 올려 놓을 수 있도록 되어 있으며, 피구동 전극 및 접지 부분(31)을 포함한다. 상기 플라즈마원(36)은 처리가스로부터 챔버 내에서 플라즈마를 생성하도록 동작한다. 이 플라즈마원의 벽 부분은 상기 카운터 전극 및 상기 척 조립체(30)의 상기 접지 부분(31)에 직접 전기적으로 연결된다. 상기 카운터 전극은, 상기 척 조립체(30)의 대향하는 위치에 장착되고 상기 챔버 내에 처리가스를 주입하거나 폐수를 배출하도록 동작하는 주입-배출 플레이트를 포함할 수 있다.
Patent KR-20010043855-A (KR)
Title: 조립식 재귀반사성 표시
IPC: G02B5/124
Filed: 1999-01-06
Abstract: 재귀반사성 표시(40)는 경질의 표시판(48)과, 구조화된 표면을 구비한 재귀반사성 시트(42)를 포함한다.  상기 구조화된 표면은 그 내부에 정육모 요소(44a)가 형성되어 있으며, 표시판의 표면(48a)과 접합하여 복수개의 셀을 형성한다.  상기 셀은 필름의 재귀반사 성능에 악영향을 미칠 수 있는 습기와 먼지로부터 정육모 요소를 보호한다.  상기 구조화된 표면을 중간 밀봉 필름에 대해 밀봉한 후 표시판에 접착하는 것 보다 표시판에 대해 직접 밀봉함으로써, 더 간단한 조립식 표시의 제작이 성취된다.  일부 실시예에서는, 셀을 형성하는데 서로 연결되어 있는 융기부(44b)가 사용된다.  상기 융기부는 재귀반사성 시트의 구조화된 표면에 또는 표시판의 표면에 통합될 수 있다.  개시된 표시판의 제작 방법도 또한 개시된다.  상기 표시는 교통 정리 목적, 거리의 표시 및 차량 번호판으로 사용된다.
Patent KR-20010071450-A (KR)
Title: 비타민 ｂ12 유도체 및 그것들의 제조 방법
IPC: A61K47/48
Filed: 1999-06-11
Abstract: 본 발명은 중합체, 나노입자 또는 치료제, 단백질 또는 펩티드와의 결합에 적합한 비타민 B 12 (VB 12 ) 유도체의 제조 방법에 관한 것이다. 
     방법은 VB 12 또는 그것들의 유사체의 5'OH기를 활성 카르보닐 친전자체와 반응시키고, 이어서 VB 12 유도체를 획득하는 것을 포함한다. 본 발명은 또한 본 발명의 방법에 의해 제조된 신규한 VB 12 유도체, 및 중합체 복합물 또는 나노입자의 제조에서 그것들의 사용에 관한 것이다.
Patent KR-20010072613-A (KR)
Title: 청량 음료용 분배기
IPC: B67D1/07
Filed: 1999-06-17
Abstract: 본 발명은 저장 용기(1), 상기 저장 용기에 연결된 음료 도관(2), 및 분배 수단(3)을 구성 요소로서 포함하는 청량 음료를 분배하는 장치에 관한 것이다.  연속적인 냉각 체인을 얻기 위해, 장치의 모든 부재는 냉각 공간(5, 6) 내에 둘러싸여 있다.
Patent KR-20010025752-A (KR)
Title: The construction of a school network and the method of managing a school broadcasting station on the internet
Inventor: RHEE MYUNG KUG
Filed: 2001-01-30
Abstract: PURPOSE: The method for constructing a school network and operating a school broadcasting station on the internet space is provided to enable a broadcasting manufactured in a school to be watched in a place connected to the internet. CONSTITUTION: A site which is a parent body of a school network is registered. The the existing schools are operated as internet sites by registering the domains of all schools existing in the internet virtual space. Each hub school site arranges all sorts of additional information and the information with respect to a business section, a theater etc., and makes a database. Thus, a user who is connected to the internet can search the additional information and the information with respect to a business section, a theater etc. Also, the user can trade all sorts of goods by connecting to a business enterprise adjacent to a school through an electronic commerce. Independent school broadcasting contents manufacturing a broadcasting are operated by schools. The broadcastings manufactured by a school broadcasting station offered to the site which is a parent body of a school network, and the broadcastings are watched through the internet.
Patent KR-20020064022-A (KR)
Title: thin film transistor array panel for liquid crystal display and manufacturing method thereof
Inventor: HUH SEONG UK
IPC: G02F1/136
Filed: 2001-01-31
Abstract: PURPOSE: A TFT(Thin Film Transistor) substrate for an LCD(Liquid Crystal Display) and a method for manufacturing the same are provided to reduce the generation of short by forming auxiliary gate lines or auxiliary data lines overlapping gate lines or data lines by forming a semiconductor layer and a resistant contact layer with contact holes. CONSTITUTION: A TFT substrate for an LCD includes a gate wire(21-23) formed on an insulating substrate, an insulating film covering the gate lines, a data wire(61-64) formed on the insulating film, and either auxiliary data lines formed on the same layer with the gate lines and connected to the data lines via first contact holes of the insulating film, or auxiliary gate lines(65) formed on the same layer with the data lines and connected to the gate lines via second contact holes(31) of the insulating film.
Patent KR-20020064449-A (KR)
Title: Concrete water stop plate
Inventor: YANG YUN YONG
IPC: A45D33/00
Filed: 2001-02-01
Abstract: PURPOSE: A cut-off plate for concrete is provided to secure watertightness of a concrete joint. CONSTITUTION: The cut-off plate(10) for concrete comprises: a shrinkage/expansion part(12) formed longitudinally on the center and composed of a hollow part(12a), a fracture(12b), a fracture notch(12c) and a shrinkage/expansion bearing section(12d); wing parts(14) formed along the shrinkage/expansion part(12) to intercept the penetration of moisture and composed of a semicircular curved bearing section(14a) to have binding force with concrete; a water swelling rubber packing(16) expanded by water and installed by a binding rail(14b); and a core clip(18) installed on a connecting rail(14c) formed on the ends of both wing parts(14) to make the cut-off plate(10) supported on a reinforcing bar with a wire.