baber/WOPTO huggingface dataset:
Patent KR-20000027654-A (KR)
Title: Method for fabricating semiconductor devices
Inventor: SHIM DAE YONG
IPC: H01L21/336
Filed: 1998-10-28
Abstract: PURPOSE: A method for fabrication semiconductor devices is provided to prevent an opposite-type dopant from being implanted on cell area and RMOS(metal-oxide semiconductor) area by performing p-channel field stop implant and p-channel Vt(threshold voltage) controlling implant processes and to improve a refresh property by easily controlling properties of an NMOS and a PMOS transistors. CONSTITUTION: A device isolation mask, n-well mask and n-well implant area is formed sequentially. The n-well mask is removed, then a device isolator is formed using thermal oxidation and a n-well(20) is formed using diffusion of the n-well implant area simultaneously. The device isolation mask is removed. A p-well mask is formed on a substrate(10), then a p-well implant, a n-channel field stop implant(26) and a n-channel Vt controlling implant(28) processes are performed sequentially. The p-well mask is removed, then source and drain masks(30) are formed to implant a p-type dopant having a high density. A p-channel field stop implant(32) and a p-channel Vt controlling implant(34) processes are performed using the source/drain masks(30) as implant masks.
Patent KR-20000027932-A (KR)
Title: Method of manufacturing bit line of semiconductor device
Inventor: GWAK NO JEONG
IPC: H01L21/28
Filed: 1998-10-29
Abstract: PURPOSE: A method of manufacturing a bit line of a semiconductor device is provided to stabilize contact resistance and prevent deterioration of electrical characteristics by forming a barrier metal layer composed of aluminum, titanium, and titanium-nitride layers. CONSTITUTION: A method of manufacturing a bit line comprises the steps of: forming a first interlayer dielectric(110) on a semiconductor substrate having a junction and forming a first contact hole(120) in a selected region of the first interlayer dielectric; forming a second interlayer dielectric(140) after forming a plug in the first contact hole; forming a second contact hole(150) by etching the selected region of the second interlayer dielectric to expose the plug; sequentially forming aluminum alloy, titanium and titanium-nitride layers(157, 158, 159) on the entire structure including the second contact hole; forming a TiAl3 compound by a thermal process within the temperature range of 350 to 500°C to have the aluminum alloy layer and the titanium layer react on each other, and accordingly forming a barrier metal layer(160) composed of the TiAl3 compound and the nitride layer; and forming a bit line(170) electrically connected to the semiconductor substrate by the plug.
Patent KR-20000028475-A (KR)
Title: Method for displaying score in optical disk karaoke system
Inventor: SON TAE YONG
IPC: G11B27/28
Filed: 1998-10-31
Abstract: PURPOSE: A method for displaying score in optical disk karaoke system is provided to easily perform an estimation of a song by computing each score to a mike sound inputted through a mike when singing a song through a plurality of mikes and displaying the computed score on a screen. CONSTITUTION: A microprocessor judges as to whether a music is selected by a user(S10). The microprocessor controls an optical disk player to reproduce a corresponding music(S11). The microprocessor judges as to whether a mike sound is inputted(S12). The microprocessor judges as to whether a song sound of the user is inputted through a certain mike between two mikes when the mike sound is inputted(S13). The microprocessor computes the song sound of the user when the song sound of the user is inputted through a first mike, and judges as to whether a song sound of the user is inputted through a second mike(S15). The micro processor computes the song sound of the user when the song sound of the user is inputted through a second mike when the song sound of the user is inputted through the second mike(S16).
Patent KR-20000032703-A (KR)
Title: Automobile identification device
Inventor: PARK JONG SEO
IPC: G08G1/017
Filed: 1998-11-17
Abstract: PURPOSE: An automobile identification device is provided to identify signals for an automobile registration number provided from an automobile. CONSTITUTION: A high frequency processing part(31) of an automobile identification device selects and amplifies a necessary bandwidth for received signal through an antenna. A decoder(32) receives the high frequency and generates a digital signal. A microcomputer unit(33) compares the digital signal of an automobile registration number with data stored in itself and generates an alarm signal if the two signals are equal to each other. A displayer(36) generates a visual or audio signal to outside when the microcomputer unit(33) outputs the alarm signal through an alarm lamp(42) or a safety lamp controlled by a controller(41).
Patent KR-20000034178-A (KR)
Title: Liquid crystal display
Inventor: YOO CHUN GEUN
IPC: G02F1/1345
Filed: 1998-11-27
Abstract: PURPOSE: A liquid crystal display is to easily connect a module for a liquid crystal display and a body. CONSTITUTION: A liquid crystal display comprises a body(18) for inputting data, and a module (20) for the liquid crystal display. The module is engaged to the body. The module includes an LCD module(22) for displaying data and a cover case for covering the LCD module except for a display area of the LCD module. A connector(26) is provided on a lower portion of the module, the lower portion being hingedly connected to a body of the cover case. The connector is electrically connected to a printed circuit board of the LCD module. A socket(30) is provided on an upper portion of the case and is electrically connected to the connector. The module is hingedly engaged to the body, and the connector is engaged to the socket of the body.
Patent KR-20000034211-A (KR)
Title: Drainage hose of refrigerator
Inventor: OH JONG BONG
IPC: F25D21/14
Filed: 1998-11-28
Abstract: PURPOSE: A drainage hose of refrigerator is provided to prevent the space between the drainage hose and a bottom plate, and improve the sealing power, thereby preventing the leakage of liquid generated in an insertion fixing part between the drainage hose and the bottom plate when pouring urethane liquid. CONSTITUTION: A drainage hose of refrigerator wherein an upper end part of the drainage hose is connected to a lower surface of a cooling room and a lower end part is inserted installed in a drainage hose insertion hole(32) formed in a bottom plate(30) by a groove part(53) formed by an upper part protrusion(51) and a lower part protrusion(55) formed at a periphery thereof at a regular space, includes the groove part(53) formed at a width corresponding to the thickness of the bottom plate(30) in which the drainage hose insertion hole(32) is formed, and each extended part(52,56) formed extendedly at one side of upper part protrusion(51) and a lower part protrusion(55) to close the space between the drainage hose insertion hole(32).
Patent KR-20000039507-A (KR)
Title: Method for fabricating thin film transistor in which misalignment is improved using contact hole spacer
Inventor: KANG YONG HA
IPC: H01L21/336
Filed: 1998-12-14
Abstract: PURPOSE: A method for fabricating thin film transistor in which misalignment is improved using contact hole spacer is to allow the gate conductive layer to substantially perform a role as the gate electrode and to form stable ohmic contact. CONSTITUTION: A fabrication method of thin film transistor comprises the steps of: providing a semiconductor substrate(100) of a first conductive layer on which an isolation layer(102), a gate insulating layer(104), a polysilicon layer(106) and a first insulating layer(110) for the planarization in the named order; patterning the first insulating layer to form a contact hole exposing the semiconductor substrate and a part of the second conductive layer; forming a third conductive layer(114) on the resultant substrate including the contact hole and implanting ions into the third conductive layer formed on the bottom face of the contact hole; forming a spacer(118) on the inner wall of the contact hole; filling the contact hole; depositing a fourth conductive layer(120) on the resultant substrate; implanting ions into the fourth conductive layer; patterning the third and fourth conductive layers to remove a part of the third and fourth conductive layers; forming a third insulating layer(122) on the resultant substrate; and patterning the third insulating layer to expose a part of the fourth conductive layer on the contact hole.
Patent KR-19990076558-A (KR)
Title: 개선된 액정 표시 장치
IPC: G02F1/13
Filed: 1998-12-15
Abstract: 본 발명은 개선된 액정 표시 장치(Liquid Crystal Display Device)에 관한 것으로, 한 쌍의 투명한 기판들과, 기판들 각각의 어느 한 표면 상에 코팅(coating)되고 전극으로 기능하며 투명하고 전기적으로 도전성인 물질과, 기판들의 코팅된 표면들간에 샌드위치 되어 셀(cell)을 형성하는 네마틱 디스크형 물질(nematic discotic material), 및 셀이 그 사이에 위치하는 한 쌍의 교차된 편광기(polarizer)들을 포함한다.
Patent KR-20000039935-A (KR)
Title: Catalyst for decomposing chlorinated organic compound and its manufacture
Inventor: CHO CHUL HOON
IPC: B01J23/652
Filed: 1998-12-16
Abstract: PURPOSE: Catalysts for decomposing chlorinated organic compound and method of manufacture thereof are provided which have improved decomposition activity. CONSTITUTION: A catalysts capable of decomposing a chlorinated organic compound contained in exhaust gas or waste gas discharged from an incinerating process of waste, a paper manufacturing process and a chemical manufacturing process are characterized in that V2O3, Cr2O3 and PtO are supported on titanium dioxide having a degree of crystallinity of 2 to 10% and the method comprises the sequential steps of controlling a degree of crystallinity by vacuum drying titanium dioxide at 100 to 300°C and thermally calcining, allowing an aqueous solution of vanadium oxalate, chromic nitrate and H2PtCl6 to support on the surface of titanium dioxide, vacuum drying the above product at 100 to 300°C for 5 to 12 hr, and calcining the above product at 400 to 600°C under air atmosphere for 5 to 15 hr.
Patent KR-20000040190-A (KR)
Title: Cleaning device of wet printer
Inventor: LEE JIN SU
IPC: B41J2/00
Filed: 1998-12-17
Abstract: PURPOSE: A cleaning device of a wet type printer is provided to prevent pollution of a photosensitive belt by removing toner particles fixed on a cleaning roller by a protrusion part of an auxiliary cleaning roller. CONSTITUTION: A cleaning device of a wet type printer includes a cleaning roller(19) for cleaning impurities such as residual toner particles on a transfer roller by rotating in contact with the transfer roller which transfers a toner image on a printing paper from a photosensitive medium in a wet type printer, and an auxiliary cleaning roller(20) rotatably mounted to rotate in contact with the cleaning roller and having a protrusion(20a) in the shape of a spiral on an outer periphery, wherein the protrusion part scraps the toner particles fixed on the cleaning roller, and a heat lamp(22) is mounted in the auxiliary cleaner for heating the auxiliary cleaning roller thereby removing the fixed toner particles on the cleaning roller by melting with the heat.
Patent KR-19990030400-A (KR)
Title: 전도성 합성수지관
Filed: 1998-12-21
Abstract: 본 발명은 매설배관 탐지기를 이용하여 매설위치 등을 탐지할 수 있도록 된 전도성 합성수지관에 대한 것이다. 
     본 발명에 따르면, 지하에 매립되어 통신케이블 보호용이나 가스관 또는 수돗관 등에 사용되는 합성수지관에 있어서, 상기 합성수지관(8)은 합성수지에 전도성물질을 혼합하여 제작된 전도성수지를 합성수지관의 둘레에 매입 또는 부착하여 구성되는 전도성수지부(10)와, 이 전도성수지부(10)와 상호 통전되도록 상기 합성수지관(8)의 둘레부에 매입 또는 부착되어 은폐되는 전도체(12)를 포함하여 구성되는 것을 특징으로 하는 전도성 합성수지관이 제공된다.
Patent KR-20000042608-A (KR)
Title: Super high-strength invar alloy wire and method of manufacturing the same
Inventor: JO MYEONG HYEON
IPC: C22C38/08
Filed: 1998-12-26
Abstract: PURPOSE: A method of manufacturing a super high-strength invar alloy wire is provided to have high toughness and super high-strength by reinforcing an invar alloy through fineness of crystal and adherence of precipitates. CONSTITUTION: An invar rod wire consists of, by weight %: not more than 0.1% of N, 0.01-0.3% of Nb, 0.30-0.40% of C, 33-38% of Ni, 0.5-4.0% of Mo, 0.2-1.5% of Cr, 0.10-1.2% of Si, 0.1-0.9% of Mn, 1.0-10% of Co and 0.10% of one of Fe, Al, Mg and Ti. The invar rod wire is cold-drawn with the processing amount of 60-75% and annealed at a temperature of 650-850°C for 15 hours. The rod wire is secondarily drawn with the amount of 60-90%, removed in stress and hardened at a temperature of 400-600°C. Finally, the rod wire is cold-drawn third time less than 80%.
Patent KR-20000042895-A (KR)
Title: Release-controllable composition for agricultural chemical
Inventor: JUNG BONG JIN
IPC: A01N25/08
Filed: 1998-12-28
Abstract: PURPOSE: A release-controllable composition for agricultural chemicals is prepared by mixing active substance with biodegradable resin and release-control agent then injection molding. The composition prevents and exterminates harmful insects effectively, economically, and simply as controlling release of the active substance. CONSTITUTION: A active substance of composition is continuously released so that it is safe to the crops and has no harmful effects thereon, and its efficacy lasts even after 80 days as the insecticide. The composition comprises 0.1-10 wt.% of agricultural chemical, 40-49.9 wt.% of biodegradable polyester resin, and the powder of release-control agent consisting of more than one compound selected among calcium carbonate, bentonite, pyrophyllite, talc, caolin, plaster, wollastonite, and calcium sulfide.
Patent KR-20000044917-A (KR)
Title: Row decoder circuit of flash memory cell
Inventor: KIM JU YEONG
IPC: G11C16/06
Filed: 1998-12-30
Abstract: PURPOSE: A row decoder circuit of a flash memory cell is provided to reduce the loading capacitance of a boot strap circuit in the bootstrap of a word line and to prevent the flow of a leakage current. CONSTITUTION: A low decoder circuit of a flash memory cell contains a first PMOS transistor(P11), a first triple P-well NMOS transistor(TN11), a second triple P-well NMOS transistor(TN12), and a second PMOS transistor(P12) and a third triple P-well NMOS transistor(TN13). The first PMOS transistor contains an N-well and a source connected to a first voltage source(VPPX) and a drain connected to a first node(K11). The first triple P-well NMOS transistor contains a source connected to the first node and a drain and a triple N-well connected to a fourth voltage source(Vcc). The second triple P-well NMOS transistor contains a source connected to the first node and a drain connected to a third voltage source(XCOM8). Moreover, the second PMOS transistor and the third triple P-well NMOS transistor are arranged for finally driving a word line.
Patent KR-20000047104-A (KR)
Title: Foldable unit and super multi-fiber optical cable having the same
Inventor: JEONG MYEONG JO
IPC: G02B6/00
Filed: 1998-12-31
Abstract: PURPOSE: An optical fiber is provided to minimize spacing between grooves with optical fiber ribbons inserted therein and to increase optical fiber density of the optical cable by inserting the optical fiber ribbons into the grooves made of the folded films. CONSTITUTION: Foldable units(10) are integrally formed with side wall surfaces(11) and a lower surface(13). In the foldable units(10), a space for receiving a pair of film-typed grooves(20) is provided. The film-type grooves(20) are closely inserted into the space. A bottom face(14) of the foldable unit(10) is formed on the peripheral surfaces of the multi-slot rod(40). A plurality of grooves(42) having a predetermined depth are formed helically along peripheral surface of multi-slot rod(40). A plurality of optical fiber ribbons(30) are inserted and deposited into the grooves(42). A central tensile wire(41) made of a steel wire or high strength synthetic fiber is inserted into a central portion of the rod(40).
Patent KR-19990035929-A (KR)
IPC: A61B5/296
Filed: 1996-07-23
Abstract: A template has a flexible sheet with a fixed dimensional array V1-V6 positioned in a specific size configuration appropriate for standard electrocardiographic recording. The distance between V1 and V2 is 2.00 inches+/-0.56 inches, and the distance between V2 and V4 is 3.5 inches+/-1.00 inch, with V3 located substantially midway between V2 and V4, and V5 is equidistant between V4 and V6.
Patent KR-19990044134-A (KR)
Title: 아실아미노살리실산 아미드 및 농약으로서의 그의 용도
IPC: C07C235/64
Filed: 1996-08-19
Abstract: 본 발명은 공지 및 신규한 아실아미노살리실아미드, 다수의 그의 제조방법 및 농약으로서의 그의 용도에 관한 것이다.    본 출원은 또한 신규한 중간체, 다수의 그의 제조방법 및 농약으로서의 그의 용도에 관한 것이다.
Patent KR-19990044224-A (KR)
Title: 액정 디스플레이용 이중 포트 ｒａｍ을 가진 마이크로컨트롤러와 슬레이브 포트를 공유하는 방법
IPC: G06F3/147
Filed: 1997-06-27
Abstract: 이중 포트 랜덤 액세스 메모리(RAM)는 액정 디스플레이(LCD)상에 디스플레이될 정보를 나타내는 데이터를 저장한다.  RAM은 다수의 마스터 데이터 기억 래치(150-153)와 이 모든 다수의 마스터 기억 래치(150-153)에 의해 공유된 단일 슬레이브 데이터 기억 래치(154)를 포함한다.  마이크로컨트롤러는 RAM에 저장된 데이터를 주기적으로 변화시키기 위하여 RAM 포트중 한 포트를 통해 마스터 기억 래치(150-153)와 통신하는 중앙 처리장치(CPU)를 가진다.  LCD 제어 모듈은 각각의 마스터 기억 래치(150-153)로부터의 데이터를 사용하여 단일 슬레이브 기억 래치(154)내의 데이터를 갱신하며, 마스터 기억 래치로부터의 각 갱신후 그리고 다음 마스터 기억 래치로부터의 데이터 갱신전에 단일 슬레이브 기억 유니트(154)로부터 LCD와 연관된 일시 기억 래치에 상기 갱신된 데이터를 다운로드한다.
Patent KR-19990064325-A (KR)
Title: 살충제 성질을 갖는 아실화된 5-아미노이소티아졸, 중간체 생성물 및 그의 제조 방법
IPC: C07C327/52
Filed: 1996-11-04
Abstract: 본 발명은 신규의 일반식(I)의 아실화된 5-아미노이소티아졸, 중간체 생성물 및 이들 생성물을 제조하는 방법 및 동물 해충 구제에 있어서의 그의 용도에 관한 것이다: 
     
       
     
     R 1 , R 2 , R 3 , R 4 및 Y는 명세서에서 정의된 바와 같다.
Patent KR-20000064436-A (KR)
Title: Zeolites for the adsorption and oxidation of hydrocarbons in diesel engine exhaust gases
Inventor: FARRAUTO ROBERT J
IPC: B01J29/72
Filed: 1996-10-04
Abstract: The present invention relates to a composition comprising at least one zeolite consisting essentially of the zeolites selected from the group of neutral and basic zeolites and at least one platinum group metal component. This composition has been found to be useful in a method of treating gas streams comprising hydrocarbons comprising the steps of adsorbing the hydrocarbons on the recited zeolites at a low adsorption temperature range, releasing the hydrocarbons from the zeolite at a high release temperature range and oxidizing the hydrocarbons.
Patent KR-19990076815-A (KR)
Title: 바람막이 유리 와이퍼용 구동 장치
IPC: F16H57/02
Filed: 1996-12-04
Abstract: 이른바 대기 위치 스위치를 실현하는 스위치 디스크가 기어 유닛의 출력 기어에 대해 독립적으로 회전될 수 있도록 지지되는 바람막이 유리 와이퍼용 구동 장치가 제공된다.  출력 기어 및 스위치 디스크는 커플링 장치를 통해 서로 커플링되고, 상기 커플링 장치는 스위치 디스크를 회전 방향으로만 운반하는 맞물림 장치로서 작동한다.  평평한 구조의 기어 유닛을 얻기 위하여, 디스크는 슬리브 상에서 회전가능하게 지지되는데, 상기 슬리브를 통해 출력 샤프트는 그 단부가 하우징 뚜껑 상에서 직접 지지될 수 있도록 연장된다.
Patent KR-19990087573-A (KR)
Title: 데히드로에피안드로스테론과 아로마타제 저해제의 조합 제제,및 남성의 상대적 및 절대적 안드로겐 결핍증 치료용 약제 제조를 위한 이 조합 제제의 용도
IPC: A61K45/00
Filed: 1997-03-06
Abstract: 본 발명은 데히드로에피안드로스테론 (DHEA) 및 1종 이상의 아로마타제 저해제의 조합 제제, 및 남성의 상대적 및(또는) 절대적 안드로겐 결핍증 치료용 약제 제조를 위한 이 조합 제제의 용도를 설명한다.  예를 들어, 아타메스탄, 포르메스탄, 펜트로졸, 아리미덱스, 파드로졸, CGS 20267 및(또는) 보로졸과 같은 선택성 아로마타제 저해제가 본 발명에 따른 약제 제조에 바람직하게 사용된다.
Patent KR-20000064862-A (KR)
IPC: B29C49/28
Filed: 1998-02-16
Abstract: PCT No. PCT/EP98/00868 Sec. 371 Date Jan. 25, 1999 Sec. 102(e) Date Jan. 25, 1999 PCT Filed Feb. 16, 1998 PCT Pub. No. WO98/35815 PCT Pub. Date Aug. 20, 1998A blow moulding machine comprising a heating wheel provided with a plurality of reception means for preforms and having a substantially vertical axis of rotation, and a blow wheel provided with a plurality of blow stations for hollow bodies such as for bottles, and having a substantially vertical axis of rotation. The heating wheel and the blow wheel are arranged on different levels and overlap each other at least partially. The preforms are moved from the level of the heating wheel to the level of the blow wheel by means of a transfer device. A substantial reduction of the floor space and of the production costs for the blow moulding machine is achieved in this way.
Patent KR-20000010598-A (KR)
Title: Light emitting device and arrays thereof
Inventor: BAILLIE-HAMILTON WILLAM JOHN
IPC: H01J61/30
Filed: 1997-04-23
Abstract: PURPOSE: A light-emitting apparatus with light-emitting diode is to overcome the limitations that most light- emitting light devices have. CONSTITUTION: A housing(11) including light-emitting element(11) and conducting elements(13) are comprised. The conducting elements(13) extend towards an element(11) and serve to capture most of the energy emitted by the element(11). This energy is guided out of the device to the end of the light conducting elements(13) outside the containment(14) where the light energy can be used directly, or by way of a light emission system using fiber optic cable for onward transmission. Each light conducting element(13) is solid and is sealed to the containment(14) at region(16) with axis a directed towards the element(11). The axial length of the light conducting element (13) is at least three times its width transverse the axis. The sealing ensures that a required vacuum state is maintained in the containment(14). Each conducting element(13) sets square and has an end face E near the emitting element(11) to provide for efficient light transfer from emitting element(11) into each conducting element(13).
Patent KR-20000065008-A (KR)
Title: 살진균성혼합물
IPC: A01N47/24
Filed: 1997-04-22
Abstract: 본 발명은 상승적 유효량의 
     a 1 ) 하기 화학식 I의 카바메이트 및(또는) 
     a 2 ) 하기 화학식 II의 옥심 에테르 및 
     b) 하기 화학식 III의 유기주석 화합물 
     을 포함하는 살진균성 혼합물에 관한 것이다. 
     <화학식 I> 
     
       
     
     상기 식에서, 
     T는 CH 또는 N이고, n은 0, 1 또는 2이며, R은 할로겐, C 1 -C 4 -알킬 또는 C 1 -C 4 -할로알킬이고, 라디칼 R은 n이 2인 경우 상이할 수 있다. 
     <화학식 II> 
     
       
     
     상기 식에서, 
     X는 산소 또는 아미노(NH)이고, 
     Y는 CH 또는 N이며, 
     Z는 산소, 황, 아미노(NH) 또는 C 1 -C 4 -알킬아미노(N-C 1 -C 4 -알킬)이고, 
     R'은 C 1 -C 6 -알킬, C 1 -C 6 -할로알킬, C 3 -C 6 -알케닐, C 2 -C 6 -할로알케닐, C 3 -C 6 -알키닐, C 3 -C 6 -할로알키닐, C 3 -C 6 -시클로알킬메틸, 또는 부분적으로 또는 완전히 할로겐화될 수 있고(있거나) 시아노, C 1 -C 4 -알킬, C 1 -C 4 -할로알킬, C 1 -C 4 -알콕시, C 1 -C 4 -할로알콕시 및 C 1 -C 4 -알킬티오 중 1 내지 3개의 라디칼로 치환될 수 있는 벤질이다. 
     <화학식 III> 
     
       
     
     상기 식에서, 
     L - 은 히드록실 또는 아세테이트기이다.
Patent KR-20000015924-A (KR)
Title: Multiple viewer system for displaying a plurality of images
Inventor: HARMAN PHILIP VICTOR
IPC: G02B27/22
Filed: 1997-06-04
Abstract: PURPOSE: A multiple viewer system for displaying a plurality of images is to provide the same image with both eyes of viewer or to offer both two dimensions and three dimensions. CONSTITUTION: A system includes at least one semireflective mirror, a retro reflective screen and a plurality of optical imaging means, each viewer being provided with a respective optical imaging means, each optical imaging means including a projection means for projecting images along an optical path, a tracking means to determine the spatial position of the respective viewer's eyes, and a focusing means to modify the optical path in response to movements of the respective viewer.
Patent KR-20000055701-A (KR)
Inventor: LIM SEOK KI
IPC: B21J17/00
Filed: 1999-02-09
Abstract: PURPOSE: An apparatus is provided to lengthen useful life of lubricant oil while preventing rapid temperature rise of lubricant oil during a forging process. CONSTITUTION: An apparatus comprises a metal mold(1) where a lubricant oil circulates, a sedimentation tank(2) installed to the metal mold, a tank(3) wound with a cooling coil(4) and which has a discharge valve(5), the tank being connected to the sedimentation tank, the cooling coil winding the tank is connected to a cooling tower(6) through a pipe, a high frequency device(7) connected to the pipe, and a stirrer(8) installed within the tank for oil-water separation. Thus-obtained lubricant oil is cooled down by the cooling coil connected to the cooling tower and the high frequency device, and such a cooling is performed evenly as a whole since the cooling coil is distributed all over the interior of the tank.