baber/WOPTO huggingface dataset:
Patent KR-20060002859-A (KR)
Title: Automatic electronic component mounting device, electronic component supply device, electronic component sequencer device, and electronic component mounting method
Inventor: SHIMADA KATSUMI
IPC: H05K13/04
Filed: 2004-03-25
Abstract: An automatic electronic component mounting device (1) for mounting electronic components onto a printed wiring board (10), comprising a component mounting head (4) moving along the X-axis direction and sucking an electronic component to mount it on the printed wiring board (10), a table (8) for moving the printed wiring board along the Y-axis direction, electronic component supply devices (12, 14) attached to this table (8) and moving concurrently with the printed wiring board, and a component image recognizing/correcting means (16) for image-recognizing the attitude of an electronic component during a period from the sucking of an electronic component by the component mounting head to the mounting and correcting the attitude, the device being so constructed as to allow the sucking position and mounting position of an electronic component and the image recognition position of an electronic component to be located on the X-axis. Also, electronic component supply devices of square-pipe type and plate type are disclosed.
Patent KR-20050122237-A (KR)
Title: Shrapnel containment system and method for producing same
Inventor: HALL BRUCE S
IPC: E04C2/00
Filed: 2004-04-06
Abstract: A shrapnel containment system is provided which is adapted to be installed at an interior of a building wall to contain shrapnel from a blast, the system including a panel made of a layer of elastomeric material and fastener elements to fasten the layer to a wall of a structure, with the panel optionally including a fabric reinforcing layer. A method for producing the panel is also provided.
Patent KR-20060009327-A (KR)
Title: Substrate polishing apparatus
Inventor: HIROKAWA KAZUTO
IPC: B24B37/20
Filed: 2004-05-13
Abstract: A substrate polishing apparatus polishes a surface of a substrate such as a semiconductor wafer to a flat mirror finish. The substrate polishing apparatus according to the present invention has a rotatable table (12) having a polishing pad (16) for polishing a semiconductor substrate (18), a light emission and reception device (80,82) for emitting measurement light through a through hole (84) formed in the polishing pad (16) to the semiconductor substrate (18) and receiving reflected light from the semiconductor substrate (18) so as to measure a film on the semiconductor substrate (18), and a supply passage (44) for supplying a fluid to a path of the measurement light. The supply passage (44) has an outlet portion positioned in the through hole (84).
Patent KR-20060021317-A (KR)
Title: Automatic transmission
Inventor: SUGINO SOICHI
IPC: F16H3/44
Filed: 2004-04-15
Abstract: An automatic transmission comprises a planetary gear train (PG) having a sun gear (S), a carrier (C), and ring gears (R) and in which the sun gear (S) is connected to a first main shaft (3), a counter shaft (5) disposed parallel with the rotating shaft of the planetary gear train (PG), a first brake (B1) capable of fixedly holding the ring gears (R), a first gear train (G1) having a first drive gear (6) connected to the ring gears (R) and a first driven gear (7) meshed with the first drive gear (6) and disposed on an output shaft rotatably relative to each other, a first clutch (C1) detachably connecting the first driven gear (7) to the counter shaft (5), a third gear train (G3) having a third drive gear (10) disposed in the carrier (C) rotatably relative to each other and a third driven gear (11) meshed with the third drive gear (10) and connected to the output shaft, a third clutch (C3) detachably connecting the third drive gear (10) to the carrier (C), and a fourth clutch (C4) detachably connecting the sun gear (S) to the ring gears (R).
Patent KR-20060056284-A (KR)
Title: Signaling method for wlan network control
Inventor: RUDOLF MARIAN
IPC: H04L12/26
Filed: 2004-07-13
Abstract: A wireless local area network (WLAN) includes a station (706), an access point (AP 702), and a network management entity (NME 704). A method for remote radio resource management in the WLAN begins by configuring a trigger condition at the AP(702). A determination is made whether the trigger condition has been met, and a notification message is sent from the AP (702) to the NME (704) if the trigger condition has been met.
Patent KR-20060039874-A (KR)
Title: Process for making polymorphic form a of 4-[6-acetyl-3-[3-(4-acetyl-3-hydroxy-2-propylphenythio)propoxy]-2-propylphenoxy]butyric acid
Inventor: LOCKE KENNETH WALTER
IPC: C07C319/28
Filed: 2004-06-24
Abstract: Process for making a pharmaceutical composition, comprising: a compound of formula (1) in crystalline form together with a pharmaceutically acceptable carrier or excipient, wherein the compound of formula (1) is present in polymorphic crystal form A substantially free of other polymorphs, and methods for making this polymorph.
Patent KR-20070075109-A (KR)
Title: Refrigerator
Inventor: KIM JOONG HO
IPC: F25D25/02
Filed: 2006-01-12
Abstract: A refrigerator is provided to prevent separation of a trim from a shelf by arranging a stopper preventing movement of the trim coupled to a groove of the shelf. A refrigerator forming a storage room, including a main body having at least one pair of shelf support protrusions, and a shelf(30) supporting the shelf support protrusions comprises a trim(33) and a stopper(34). The trim is coupled to the shelf, contacted with the shelf support protrusions, and coupled to a groove(37) so as to be attached and detached. The stopper limits front and rear movement of the trim, and is integrally arranged with the groove.
Patent KR-20070078668-A (KR)
Title: A method for operating a bulletin board
Inventor: KIM SEO NAM
IPC: G06F17/00
Filed: 2006-01-28
Abstract: A method for operating a bulletin board and a reply with cyber money is provided to allow users to register a bulletin and the reply with the cyber money, and enable the users to evaluate/delete the bulletin and the reply including a negative factor. The user registers the bulletin and the reply with the cyber money. The users evaluate, delete, and modify the registered bulletin and reply. The cyber money of a manger and a registrant is generated or reduced according to evaluation and deletion. A server evaluating and calculating a reply use state of the manager and the registrant automatically calculates the cyber money required for registering the reply according to the reply use state. The server allows the user having the cyber money to register the reply. The used cyber money is uniformly distributed after the reply is evaluated.
Patent KR-20070079889-A (KR)
Title: Anti-aging composition containing cellulixir
Inventor: KIM JI HYUN
IPC: A61K8/97
Filed: 2006-02-04
Abstract: An anti-aging composition is provided to effectively prevent skin aging through free-radical scavenging, inhibition of LDH secretion caused by UV and inhibition of MMP-1 secretion, and show excellent skin permeability and excellent stability without skin side effects. The anti-aging composition comprises at least two materials selected from the group consisting of argan oil, carnosine such as L-carnosine, and an extract of corn which is prepared by using an extraction solvent such as water and 1,3-butylene glycol, wherein the selected at least two materials are encapsulated into cyclodextrin.
Patent KR-20060091053-A (KR)
Inventor: MAHEO FLORENT
IPC: H04N19/00
Filed: 2006-02-10
Abstract: 본 발명은 이미지의 시퀀스를 인코딩하기 전에 전처리하기 위한 디바이스에 관한 것으로서, 현재 프레임(T) 및 적어도 2개의 이전 프레임(T-1,T-2)을 저장하기 위한 수단(2), 현재 프레임(T)의 각 포인트(P)와, 2개의 이전 프레임(T-1,T-2)의 각 대응 포인트(P',P")에 대한 주변(vicinity)을 정의하기 위한 수단(3,4,5), 및 2개의 이전 프레임(T-1,T-2)에서의 각 대응 포인트의 위치에 관련된 현재 포인트(P)의 모션(motion)을 측정하여, 현재 포인트가 모션 중인지 또는 스태틱 존(static zone)에 존재하는지 여부를 검출하는 수단(6,7)을 포함한다. 
     본 발명에 따르면, 디바이스는, 현재 포인트가 모션 중인 경우에는 현재 포인트에 대해 공간 평활화(spatial smoothing)를 수행하기 위한 수단(14), 현재 포인트가 스태틱 존에 위치하는 경우에는 시공 평활화(space-time smoothing)를 수행하기 위한 수단(12,14)을 포함한다.
Patent KR-20070081342-A (KR)
Title: Fin and tank heat-exchanger for efficiency improvement
Inventor: LEE TAE YOUNG
IPC: F25B39/00
Filed: 2006-02-10
Abstract: A heat exchanger with a method joining a cooling fin to a tank for improving performance is provided to increase section area of heat exchange, and to improve cooling performance by coupling the cooling fin to ribs. A heat exchanger with a method joining a cooling fin to a tank for improving performance comprises a tank(1) with pipe shape, a core(2) and a cooling fin(3). The core is communicated to the tank, and allows heat exchange fluid progressing to the inside to be heat-exchanged with outer air. The tank is heat conductive material so that the heat exchange fluid moved through a flow path formed in the inside is heat-exchanged with the outer air, and T-shaped ribs(11) are protruded on an outer surface so as to be parallel to each other. The cooling fin is received in space formed between the ribs and coupled to them.
Patent KR-20070087414-A (KR)
Title: Building and construction materials and method thereof
Inventor: SEOL JUNG MIN
IPC: E04C2/02
Filed: 2006-02-23
Abstract: Construction materials and a method of manufacturing the same are provided to the environmental problem derived from waste material by utilizing waste ash as an aggregate. A method of manufacturing construction materials comprises a step of generating a mixture by mixing fermented clay, ash and water(S10). Impurities are removed from the mixture through a sorter(S30). The air is removed from the mixture through a pug mill(S40). The mixture is press-molded(S60). The molded product is dried. The dried product is introduced into a calcining furnace to be calcined(S90). The calcining step is performed in a kiln heated at a temperature of 1000 to 1300°C for 24 to 30 hours. The drying step includes a first step of drying water in a shaded place and a second step of drying the remaining water in a sunny place.
Patent KR-20070088993-A (KR)
Title: Method for driving an electrophoretic display panel
Inventor: SONG MOON BONG
IPC: G09G3/38
Filed: 2006-02-27
Abstract: A method for driving an electrophoretic display panel is provided to prevent generation of a displacement current due to an abrupt change of a voltage level by slowly supplying a driving voltage to respective cells. Reference voltages are applied to scan and data electrodes, which are formed in respective cells in an electrophoretic display panel. When scan and data voltages are applied to the scan and data electrodes of the cells in order to drive the cells, a voltage level supplied to one of the scan and data electrodes is gradually changed according to a predetermined time constant value. When the voltage of the scan and data electrodes are changed back to the reference voltage, the voltage level is gradually changed according to a predetermined time constant value.
Patent KR-20070095076-A (KR)
Title: Direct seeder that cultivation soil cover up device is equiped and cultivation soil cover up that use direct seeder method
Inventor: JUN AE JA
IPC: A01C5/08
Filed: 2006-03-20
Abstract: A direct seeder comprising a cultivation soil covering device and a cultivation soil covering method using the same are provided to protect a relatively broad area against damages by blight and harmful insects. A direct seeder comprising a cultivation soil covering device includes a couple of brackets(10), and a cultivation soil covering device(100). The brackets(10) are coupled to the direct seeder. The cultivation soil covering device(100) is installed on the brackets(10), and covers the entire portion of the cultivation soil in which seeds are planted with a vinyl while moving along the direct seeder when the direct seeder sows seeds directly. The cultivation soil covering device(100) includes a vinyl roll(20) placed in the brackets(10) and a pushing roll(40) for adhering a vinyl to the cultivation soil.
Patent KR-20060107302-A (KR)
Inventor: NODA YOICHI
IPC: G02F1/1335
Filed: 2006-03-30
Abstract: 본 발명은 표시 품질의 향상과 함께 저비용화에 유리한 멀티 갭 구조를 가진 액정 장치를 제공한다. 
     본 발명의 액정 장치(100)는 대향 배치되는 한 쌍의 기판(101,102)과, 한 쌍의 기판(101,102) 사이에 배치되는 액정층(103)과, 한 쌍의 기판(101,102)의 적어도 한쪽에 형성된 복수의 색(R,G,B)에 대응하는 복수의 착색층(104R,104G,104B)과, 한 쌍의 기판(101,102)의 한쪽에 형성되고 또한 복수의 색에 대응하는 복수의 전극(109R,109G,109B)을 구비하고, 액정층(103)의 두께의 최적화를 위해, 복수의 전극(109R,109G,109B)의 사이에 막두께 차이가 마련되어 있다. 
       
     액정 장치, 멀티 갭 구조
Patent KR-20070072306-A (KR)
Title: System for presuming position of moving robot and method thereof
Inventor: YANG KWANG WOONG
IPC: G01C21/28
Filed: 2006-04-07
Abstract: A system for presuming positions of a moving robot and a method thereof are provided to increase an effect of combination position presuming for uncertainty through perturbation estimator part to ensure robustness of position presuming performance. A system for presuming positions of a moving robot(20) includes a combination position estimator(30). The combination position estimator includes a position measurement sensor(25), an estimator(32), a corrector(34), a perturbation estimator(36). The position measurement sensor measures positions of the moving robot. The estimator estimates an amount of movement of the moving robot. The corrector corrects a current position of the moving robot. The perturbation estimator presumes the position of the moving robot by calculating perturbation with data made by the estimator and the corrector.
Patent KR-20070061037-A (KR)
Title: Method and system for cooperation scheme of the development tools based on extensible markup language(xml) schema
Inventor: YOO JEONG MOK
IPC: G06F17/00
Filed: 2006-04-19
Abstract: A method and a system for linking with an XML schema-based development tools are provided to utilize information made in developed plug-in programs when the new plug-in program is added in an integrated development tool supporting the plug-in program and efficiently link with the development tool by utilizing the information made in the developed plug-in programs. An XML data I/O(Input/Output) module(113) reads stored XML data(122) and transfers the read XML data. An Java API(Application Program Interface)(112) determines an access right for the added plug-in program(100,120) and blocks access to the plug-in program if no access right is found. An XML parser(123) parses and converts the XML data received from the API into an XML record. The Java API receives the XML data from the data I/O module. An XML schema(121) explains a structure of the XML data and determines I/O of the XML data. The Java API stores the information for the plug-in program and searches/utilizes the stored information.
Patent KR-20070034923-A (KR)
Title: 옥사졸리딘온 유도체, 그의 제조방법, 및 이를 포함하는조성물
IPC: C07D263/18
Filed: 2006-05-02
Abstract: 본 발명은 신규의 옥사졸리딘온 유도체 또는 그의 염, 그의 제조방법, 및 이를 유효성분으로 포함하는 조성물을 제공한다. 또한, 본 발명은 상기 옥사졸리딘온 유도체 또는 그의 염의 합성용 중간체를 제공한다. 
     본 발명의 옥사졸리딘온 유도체 또는 그의 염은 우수한 항암활성을 가진다.  
       
     옥사졸리딘온, 항암제
Patent KR-20070107369-A (KR)
Title: Carriage structure of dual-knittable flatknitting intarsia machine
Inventor: JUNG LEE SHIN
IPC: D04B15/30
Filed: 2006-05-03
Abstract: A carriage of a flat knitting intarsia machine is provided to prevent an end portion of a stitch part from being unknitted, thereby smartly finishing the stitch part, by simultaneously knitting yarn for an outer face of a knitted fabric and an under-thread for an inner face of the knitted fabric. A fixing plate(410) is bolt-fixed to a body of a flat knitting intarsia machine. A housing(420) has a space where a camp is operated, and a penetration hole through which a rod passes. A front cover(430) is bolt-joined to the housing, wherein the front cover has a hole through which the cam passes. First cams(441a,441b) and second cams(442a,442b) include cam heads and rod poles. Each of the cam heads has an inclined surface and a catching surface. Each of the knitting control units(460a,460b) is disposed between the first cam and the second cam. The knitting control unit includes a movable body moving within a guide hole of the front cover, a guide plate fixed to the movable body, and a handle installed at the guide plate. Click units easily control the knitting control units. Springs restore the cam to the original states when the cams are compressed.
Patent KR-20070112639-A (KR)
Title: Cooker
Inventor: KIM TAE SUN
IPC: A47J36/06
Filed: 2006-05-22
Abstract: A cooking pot is provided to prevent overflow of food by installing a forced exhausting type deodorizing unit mounted on a suction/discharge passage of a suction port and a discharge port of a holding unit. A cooking pot comprises a cover(14), a holding unit, and a forced exhausting type deodorizing unit. The cover covers a body(12) having a receiving space for accepting food. The holding unit is mounted on the cover to include a suction port(42) and a discharge port(32). The forced exhausting type deodorizing unit is mounted on a suction/discharge passage of the suction port and the discharge port of the holding unit.
Patent KR-20060066696-A (KR)
Inventor: SHIN KYOUNG SOOK
IPC: A61N2/00
Filed: 2006-05-25
Abstract: 본 발명은 손과 발의 차가운 것을 따뜻하게 해주어 증세의 완화, 또는 치료에 관한 제품과 제품의 사용 방법으로서 발 바닥에 영구 지자석, 은 나노, 실리콘등과 배합 처리과정을 거쳐 나오는 지속적인 영구 지자석에서 나오는 미약 자기장을 지속적 월 단위로 연속 사용하여 자기 찜질을 하여 인체에 무리를 주지 않으며 인체의 활성 에너지로 변환시키는 원리를 이용하여 사람 신체 각 부분에  부착하여 더욱 건강한 삶을 영유하게 하며 항균작용과 혈액순환, 피부를 부드러워지게 하며 영구 지자석에 의한 마사지 효과와 부착 위치에 따라 수족냉증, 소화계통,당뇨,고혈압,탈모,곱슬머리 펴기,비만,뱃살제거 등에 고통받고 있는 사람들에게 적용하여 더욱 건강한 삶을 영유하게 하기 위함이다. 영구 지자석을 이용하여  수족 냉증을 개선 
     하는 패드이며 다양한 질병에 광범위하게 사용할 수 있도록 한 신체 부착용 패드에 관한 것이다. 
       
     수족냉증, 지자석 , 나노실버  ,실리콘,패드, 곱슬머리
Patent KR-20060065619-A (KR)
Inventor: PARK JAE DOO
IPC: B65D47/32
Filed: 2006-05-25
Abstract: 본 발명은 어패류를 살아 있는 상태로 안전하게 유통시키기 위한 포장용기에 관한 것으로, 보다 상세하게는 상면이 개구되고 하면이 폐쇄된 원통형상으로 된 용기본체가 구비되고, 상기 용기본체의 상부에 나사식으로 결합되는 뚜껑의 상면중앙에는 공기주입용 통공이 관통되게 형성되고, 상기 뚜껑의 상면내측에는 상면중앙에 뚜껑의 공기주입용 통공에 결합되는 공기주입부가 돌출되게 형성된 원판형상의 패킹이 삽입설치되도록 구성하므로써, 어패류의 포장시 살아 있는 어패류를 해수 또는 담수와 함께 원통형상으로 된 견고한 용기본체의 내부에 간편하게 유입한 후 뚜껑으로 견고하게 밀폐한 다음, 뚜껑에 형성된 공기주입부를 통해 용기본체의 내부로 산소를 용이하게 주입할 수 있게 하여 살아 있는 어패류의 포장작업성을 대폭 향상시킬 수 있도록 할 뿐 아니라, 살아 있는 어패류를 견고한 용기본체에 의해 외부충격으로부터 안전하게 보호하는 동시에 일정기간동안 살아 있는 상태를 유지할 수 있게 하여 어패류의 신선도를 대폭 향상시킬 수 있도록 하는 어패류 포장용기에 관한 것이다. 
       
     어패류, 포장, 용기, 산소, 공기주입부, 밀폐부, 패킹
Patent KR-20070116307-A (KR)
Title: Separator device for water-treatment and water-treatment system employed with the same
Inventor: LEE YONG HWAN
IPC: B01D71/00
Filed: 2006-06-05
Abstract: A separating membrane for water treatment and a water treatment system comprising the same are provided to enhance the resistibility of the separating member against environmental conditions, by using a carbon-based material for polymer separation films and graphite sheets for electrode members and applying a micro-voltage to the graphite sheet. A separating membrane(100) has a lamination structure comprising graphite sheets(131,132), polymer separation films(121,122) each containing a carbon-based material, and a spacer(110). A micro-voltage is applied to the graphite sheets. The carbon-based material is a CNT(Carbon Nano-Tube). The micro-voltage has a voltage level of no more than 1.5V. The separating membrane has a symmetrical structure based on the spacer. Further, a width of the polymer separation films is 50 nm, and a length of the polymer separation films is 300 nm.
Patent KR-20060083443-A (KR)
Inventor: KIM SAM JUNG
IPC: G06K19/07
Filed: 2006-06-09
Abstract: 본 발명은 잔여금액이 표시되는 알에프아이디 카드(이하 'RFID 카드'라 칭함)에 관한 것으로서, 더욱 상세하게는 RFID 카드를 구성하는 알에프아디 태그(RFID Tag)와 연계 동작하여 카드에 남아 있는 잔여금액 정보가 일정 시간동안 나타내도록 하는 잔여금액 표시장치를 내장하여 사용자가 RFID 카드에 충전된 잔액 정보의 확인이 가능함에 따라 금액의 보충시기 등을 용이하게 인지할 수 있도록 하는 잔여금액이 표시되는 RFID 카드에 관한 것이다. 
     본 발명은 교통카드로서의 기능을 가지며 금액 등의 정보가 저장되어 있는 RFID 태크가 설치된 베이스시트가 구비되고,  상기 베이스시트 상.하측에는 광고면이 형성된 보호시트와 투명필름시트가 차례로 적층되는 통상의 알에프아이디 카드에 있어서, 상기 베이스시트 상면 일측에는 상기 RFID 태크로부터 출력되는 잔여금액 정보를 수신하여 내장된 프로그램에 의해 숫자 정보로 변환하는 제어부와, 상기 제어부로부터 출력되는 정보를 숫자로 표시하는 액정표시부와, 상기 제어부 및 액정표시부에 구동전원을 공급하는 배터리로 이루어진 잔여금액 표시장치가 설치되고, 상기 잔여금액 표시장치 저면에는 단말기에 근접시 유도기전력을 발생하여 상기 RFID 태크를 구동시키는 루프안테나가 설치되고, 상기 베이스시트 상면에 적층되는 보호시트, 투명필름시트에는 상기 액정표시장치가 노출되도록 하는 통공이 형성되는 것에 특징이 있다. 
       
     아이에스오카드, 알에프아이디카드, 교통카드, 잔여금액
Patent KR-20070043575-A (KR)
Inventor: NA KUN
IPC: A61K9/50
Filed: 2006-06-19
Abstract: 본 발명은 다당류 고분자, 특히 분자내에 이온화 그룹을 갖는 다당류 고분자, 특히 키토산-글리콜라이드 또는 콘드로이친 설페이트를 함유하는 폴리-락티드-코-글리콜라이드 미립구 및 그의 제조방법에 관한 것이다. 
       
     PLGA, 키토산 글리콜라이드, 콘드로이친 설페이트, 단백질, 펩타이드
Patent KR-20080000070-A (KR)
Title: Control method for opening and closing trunk using of smart key, the smart key and glove box locking device
Inventor: KIM HAE JOONG
IPC: B60R25/24
Filed: 2006-06-26
Abstract: A control method for opening and closing a trunk by using a smart key, the smart key for the same and a glove box locking device are provided to switch off a trunk button and lock the glove box locking device if no a smart key and to switch on the trunk button and unlock the glove box locking device if the smart key exists. A control method for opening and closing a trunk by using a smart key includes the steps of: detecting presence and absence of the smart key; determining whether a smart value is a first smart value which represents that a trunk button and a glove box locking device are off and locked, if the smart key is not detected; if the trunk button and the glove box locking device are on and unlocked, storing the trunk button and the glove box locking device which are on and unlocked as a second smart value; converting the smart value into the second smart value to switch off and lock the trunk button and the glove box locking device; if the smart key is detected and the smart value is the first smart value in the first step, changing the smart value into the second smart value to switch on and unlock the trunk button and the glove box locking device. The smart key includes a main body and a auxiliary key. The auxiliary key is attached to the main body detachably and limits some features of the smart key when being detached from the main body.
Patent KR-20080001420-A (KR)
Title: Method and system for displaying the information of residential apparatus using home-gateway and settop-box
Inventor: CHOI DAE HYUN
IPC: H04L12/16
Filed: 2006-06-29
Abstract: An information display method of a home device by using a set top box and a home gateway and a system thereof are provided to convert home device state information stored in the home gateway into TV screen-type information to display the converted information on a TV connected to the set top box, even without comprising a display on a home device, so that a user can recognize a home device operation state. A home gateway(10) transceives state information on various home devices(41-43) installed in a house with a remote home management server(60), and requests a TV screen generation server(50) to convert home device state information into TV screen data to receive the converted data. A set top box(20) displays the TV screen data-type home device state information on a TV(30) previously connected with the set top box(20).
Patent KR-20080001839-A (KR)
Title: A structure of working hole of electric furnace
Inventor: WOO KYOUNG HOI
IPC: C21C5/52
Filed: 2006-06-30
Abstract: A structure of a working unit for an electric furnace is provided to prevent the working unit from being damaged when removing a slag which is stuck to the working unit, by air-cooling the working unit. A structure of a working unit for an electric furnace comprises a panel(40A), an air-cooling unit(40), a bolt(42), a guide groove, and a nut(44). The panel covers an inside of both sides and an upper part of the working unit(20). The air-cooling unit is formed by a castable(40B) which is formed at the inside of the panel. The bolt is fixed at an outside of the panel. The guide groove is continued to a side of the electric furnace from a rear end of the working unit at regular length. The nut is mounted at an end portion of the bolt and inserted at the outside of the working unit. The working unit is projected at the upper part of one side for the electric furnace.