baber/WOPTO huggingface dataset:
Patent KR-20000066478-A (KR)
Inventor: PARK SEUNG CHUN
IPC: A61K31/495
Filed: 1999-04-16
Abstract: PURPOSE: A complex antibiotic composition for animal is provided, which prevents and cures germ diseases of domestic animals and fishes, substitutes high cost of anti-biotic material, and minimizes remains of drug in an animals body. CONSTITUTION: The complex antibiotic composition for animal comprises of norfloxacin(NFLX) and tylosin(TYL) in the weight ratio of 1:4-4:1, desirably 1:2-2:1. The norfloxacin(NFLX) is a kind of third generation quinolone antibiotics, which inhibits DNA gyrases of a disease germ, so kills germs; which can be bound to DNA gyrases of a disease germ easily by carboxylic acid on No.3 position; and shows strong germicide effect by fluorine on No.6 position. The tylosin(TYL) inhibits translocation step of protein-synthesis by binding to a subunit of germ 50S ribosome, so obstructs protein-synthesis of a germ, and inhibits growth of a germ finally; which shows germicide action at high concentration.
Patent KR-20000066567-A (KR)
Inventor: LEE SEON HYEONG
IPC: G06F7/50
Filed: 1999-04-19
Abstract: PURPOSE: A carry cluster adder is provided to maintain a high operation speed although a bit number is extended. CONSTITUTION: A carry cluster adder comprises a plurality of addition modules(100,110,120,130), a carry generator(200) and a plurality of increment modules(300,310,320). The addition modules(100,110,120,130) outputs propagate signals, carry signals and partial addition signals by adding a 1st addition operator to a 2nd addition operator irrespective of a generation of a carry. The carry generator(200) receives the propagate signals and the carry signals from the addition modules(100,110,120,130), and output an input carry of the next group. The increment modules(300,310,320) outputs the partial addition signals from the addition modules(100,110,120,130) or incremental signals added to the partial addition signals by one in response to the output signals of the carry generator(200).
Patent KR-20000074334-A (KR)
Inventor: KIM JONG RYUL
IPC: B29C47/06
Filed: 1999-05-20
Abstract: PURPOSE: A method of making artificial wood of multi-complex structure by extraction process and apparatus using in the method are provided to continuously make a light weighted and high strength artificial wood in a single extraction process without additional processes such as a calendering or pressing process. CONSTITUTION: In a method of making artificial wood of multi-complex structure by extraction process and apparatus using in the method, the method is characterized in that a cellulosic material and a synthetic resin are mixed and compressed in an extruder(10) of high temperature and simultaneously moisture content of the mixture is controlled, the fused mixture is branched as an inner mixture and an outer mixture, and then the branched mixtures are integrated under a proper foaming pressure, whereby the light weighted and high strength artificial wood having a central section of a medium density, a middle section of a low density, and an outer section of a high density is obtained.
Patent KR-19990088518-A (KR)
IPC: H01L21/28
Filed: 1999-05-24
Abstract: 금속 도금된 워드라인을 갖는 자동 정렬된 3중 폴리실리콘 소스 사이드 인젝션 비휘발성 메모리 셀의 무접촉 어래이는: 제 1, 제 2 및 제 3 층 폴리실리콘으로 됨과 아울러 열을 따라 배열되어진 복수의 적층 쌍들; 각 쌍의 폴리실리콘 적층중 두 개의 적층 사이에 위치하며 두 개의 적층의 단부들에 자동 정렬된 드레인 영역; 및 인접한 두 개의 폴리실리콘 적층 쌍들 각각의 사이에 위치함과 아울러 폴리실리콘 적층의 단부들에 인접하게 형성되어진 측벽 스페이서들에 자동 정렬됨으로써 각기 그 사이에 소스 영역이 위치하는 두 개의 폴리실리콘 적층들의 단부들로부터 동일한 간격 측면으로 이격되는 소스 영역을 구비한다.
Patent KR-20000075156-A (KR)
Inventor: HONG SANG WON
IPC: F24F1/14
Filed: 1999-05-29
Abstract: PURPOSE: A defrost control method is provided to reduce defrosting time and electric power consumption by performing reverse-cycle defrosting operation while heating operation is not performed. CONSTITUTION: A method comprises the first step(S201) for judging whether it is a heating operation condition while frost is melting by the action of natural defrost at the surface of outdoor heat exchanger, a second step(S202,S203) of simultaneously performing the natural defrosting operation and auxiliary heating operation if it is judged in the first step as a heating operation condition, and performing counter-cycle defrost operation while stopping an auxiliary heating operation if it is judged as not a heating operation condition, and a third step(S204) of judging whether the defrosting operation performed in the second step is completed, and returning to the first step if it is judged that the defrosting is not completed, and stopping all of defrosting operations and returning to the operation mode immediately before the defrosting operation if it is judged that the defrosting is completed.
Patent KR-20010001078-A (KR)
Inventor: OH JAE BOK
IPC: B65H81/00
Filed: 1999-06-01
Abstract: PURPOSE: A method for winding rubber threads in all directions and a radial winder are provided to prevent the rubber threads from being cut by preventing the threads from winding on a touch roller. CONSTITUTION: A wound bobbin is stuck to a touch roller and a new bobbin is placed under the wound bobbin. A lifting unit is fixed to continuously supply rubber threads and a rotary plate is alternatively rotated to replace the wound bobbin with the new bobbin. The rubber threads are stuck to the outer diameter of the new bobbin and separated from the wound bobbin. A rotary arm is returned and the lifting unit descends in a regular speed to arrest the deceleration once the new bobbin is stuck to the touch roller. Finally, the wound bobbin is replaced with the new bobbin.
Patent KR-20010002776-A (KR)
Inventor: BODNER RICHARD L
IPC: C21D8/02
Filed: 1999-06-17
Abstract: PURPOSE: A steel having weatherproof property is proposed for satisfying various level ASTM standards by means of controlling alloy components, controlled rolling and acceleration cooling method to be useful in the wide applications such as bridges, transmission tower, buildings and the like. CONSTITUTION: The steel consists of steel slab its composition being 0.05-0.12% of C; 0.5-1.35% of Mn; 0.04% or less of P; 0.05% or less of S; 0.15-0.65% of Si; 0.20-0.40% of Cu; 0.50% or less of Ni; 0.40-0.70% of Cr; 0.01-0.10% of V; 0.01-0.05% of Nb; 0.005-0.02% of Ti; 0.001-0.015% of N; 0.1% or less of Al; and the balance of Fe and other inevitable impurities, based on total 100 weight percent of product. The steel has a yield strength of about 50-70 ksi depending on its thickness.
Patent KR-19990068768-A (KR)
Title: 폐타이어의철심분리방법및그장치
Filed: 1999-06-18
Abstract: 본 발명은 폐타이어에 내장되어 있는 철심을 분리하는 방법에 관한 것으로, 1차로 폐타이어의 측면에 내장된 비드와이어(bead wire) 부분을 절단하여 분리한 다음, 2차로 철심이 내장되어 있는 부분을 제외한 사이드웰(side well)부분을 절단하고, 이 상태에서 3차로 타이어의 일측을 절단한 다음 4차로 압력 가열로에 넣고 가압하며, 5차로 타이어를 꺼내어 분리기에 설치되어 있는 압착 로울러를 통과시켜 평판으로 압착한 다음 6차로 압착 로울러의 후미에 설치되어있는 분리기의 절단칼을 타이어의 상하면에 접하게 하여 자동으로 절단되어 철심과 고무가 분리되도록 하여서 된 것으로서, 폐타이어를 고무와 철심으로 분리하여 재활용함으로서, 원자재의 낭비를 절감할 수가 있으며 또한 폐타이어로 인한 환경오염을 방지할 수가 있는 유용한 발명인 것이다.
Patent KR-20010009844-A (KR)
Title: A swing
Inventor: LEE YONG JUN
IPC: A63G9/04
Filed: 1999-07-14
Abstract: PURPOSE: A swing which is moved in forward and backward direction abruptly with swing movement of seat plate, gives different pleasant feeling, thrill, delight, interest etc. CONSTITUTION: The swing is characterized by making a level installation horizontal stand(2) in the top part of both vertical support stand(1); installing a board to sit on(10) by two strip of swing rope(9) in lower side of horizontal stand(2); making a level installation rotary supporting bar(4) in lower side of horizontal stand(2); installing to swing freely gliding guide stand(6) of fixed length with rotary holder(5) hanged on rotary supporting bar(4) to be gathered in upper center; installing upside stand(8) with gliding roller(7) sliding guided to gliding guide stand(6) in the upper side of gliding guide stand(6); connecting and installing a board to sit on(10) by two strip of swing rope(9) in lower side of upside stand(9); installing stopper with shock absorber in front and rear upper part of horizontal stand(2).
Patent KR-20010010534-A (KR)
Inventor: KIM KWANG SIK
IPC: G11B27/02
Filed: 1999-07-21
Abstract: PURPOSE: A method for manufacturing and advertising a background image of a singing room is provided to promote the maximum advertising effect by drawing people's attention to advertisement by outputting an advertisement on a background image. CONSTITUTION: An advertisement of 15sec is inserted into an image including a film or music video. Herein, the advertisement is inserted into a former portion as a specific character or advertising product is contracted. In the other case, the advertisement is formed like a product image-up style wherein a character is synthesized with product. The advertisement is inserted into each background screen including the words of a song to be exposed together with the background at the same time. The PLL(phase locked loop) type advertisement is inserted into an image product including a film enterprise(100), music video(130) and self-planned image(160). The advertisement is manufactured as a CD(compact disk) for plural singing rooms(300,302). Therefore, the advertisement is supplied directly or through an internet.
Patent KR-19990078762-A (KR)
Title: 이동통신망과 통신되는 전자책 및 그 제어방법
Filed: 1999-08-05
Abstract: 본 발명은 이동통신망과 통신되는 전자책 및 그 제어방법에 관한 것으로서, 특히 문자 또는 그래픽 등을 포함하는 도서의 내용을 구비한 데이터 베이스로부터 이동통신망을 통하여 상기 도서의 내용을 출력받도록 이동통신망과 통신되는 전자책 및 그 제어방법에 관한 것으로서, 문자 또는 그래픽 등으로 이루어지는 도서정보를 구비하는 데이터 베이스가 이동통신망으로 연결되고, 상기 이동통신망을 통하여 상기 데이터 베이스와 상기 도서정보를 무선으로 교환하는 통신수단; 및 사용자의 제어에 따라서 상기 통신수단에서 교환되는 상기 도서정보가 상기 통신수단을 통하여 입력되어서 저장되며, 저장된 상기 도서정보를 상기 사용자가 확인하거나 또는 제어할 수 있도록 화면에 표시시키는 출력수단을 포함하는 것을 특징으로 한다. 이에 따라서 시간과 공간상의 제약없이 이동통신망을 통하여 도서류를 읽을 수 있거나 사용자에 의하여 제공되는 육성 또는 오디오 신호가 입력되어서 저장시킴에 따라서 메모를 저장할 수 있고, 뉴로 또는 퍼지 등으로 되는 음성인식방식에 의하여 음성을 입력하거나 출력하여 시각장애인들이 도서를 음성으로서 확인할 수 있는 장점이 있다.
Patent KR-19990078787-A (KR)
Title: 미끌림 방지크립
Filed: 1999-08-06
Abstract: (1)발명이 속하는 기술분야 
     본 발명은 눈길이나 빙판길에서 차량이 정상적인 기능을 발휘할 수 있도록 타이어휠의 측면에 제동크립을 조립하여 부착시킴으로써 차량이 미끌림으로 인하여 차량 방향이 틀어 진다든지 제동이 되지 않아서 발생되는 인명 및 물적 손실을 보호하기 위한 눈길이나 빙판길 차량주행 안전 장구의 기술분야에 관한 것이다. 
     (2)발명의 목적 
     본 발명은 착용규격을 일치시킨 타이어휠과 여러조각의 제동크립을 원형으로 조립시킨 조립판과 규격을 일치시킨 타이어휠을 착용핀을 이용하여 부착시킨 뒤 도로상태의 변화에 따라 제동크립의 조립원호를 확장 및 축소 조절하여 정확한 제동과 취급의 간편함으로 인적물적 사고의 예방과 스프링의 완충효과로 도로면의 손상을 방지할 수 있게 함을 목적으로 한 것이다. 
     (3)발명의 구성 
     여러조각의 제동크립(4)을 원형으로 제동크립조립판(3)에 제동크립 스프링(6)을 끼워서 조립하고 제동크립조립판(3)의 중앙볼트(9)로서 제동크립(4)의 조립원호를 확장 및 축소시키며 미끌림방지크립과 미끌림방지크립 착용규격의 휠(2)을 스크류핀(7)을 사용하여 착용 및 해체가 용이하도록 구성하였다. 
     (4)발명의 효과 
     미끌림방지크립의 착용이 타이어의 외부를 감싸지 않으므로 착용이 간편한 것과 제동크립(4)이 제동크립스프링(6)의 완충작용으로 도로면의 손상을 줄이면서 주행하므로 불쾌한 승차감을 없애고 취급을 간편하게하며 인적 물적 손실을 예방하고 안전성도 증대되는 효과를 얻을 수 있다.
Patent KR-19990078955-A (KR)
Title: 고추 분쇄장치
IPC: B02C4/02
Filed: 1999-08-24
Abstract: 본 발명은 고추의 분쇄과정에서 고추의 분쇄작업성을 향상시키면서 고추가루의 외부 비산을 방지하도록 한 고추 분쇄장치에 관한 것으로, 호퍼로부터 투입되는 고추를 절단 분쇄하기 위한 제 1분쇄기와, 제 1분쇄기로부터 절단된 고추를 이송시키는 이송수단과, 이송된 절단 고추를 재 분쇄시켜 외부로 배출시키기 위한 제 2분쇄기와, 제 1,2분쇄기 및 이송수단에 구동력을 부여하기 위한 구동수단으로 대별된다. 그 제 2분쇄기는 내부에 일정 용적을 가지고 이송수단의 하우징과 연통되도록 상면이 개구되며 일측면이 외부와 연통되도록 개구된 본체와, 본체의 중앙에 회전가능하게 수직으로 설치되는 구동축과, 그 구동축의 외측에 결합되어 연동되는 몸체와, 몸체의 외주면에 상호 다른 높이로 용접에 의해 일체 형성되는 복수개의 블레이드부재와, 본체의 일측면 개구부위에 설치되고 고추가루의 외부 배출을 위한 다수의 통공이 형성된 배출망으로 구성된다. 이에 따르면, 복수의 블레이드로 이루어진 블레이드부재가 상호 다른 위치에 설치되므로, 회전시 고추의 걸림 현상이 예방되고 고속 회전이 가능하여 작업성이 향상될 뿐만 아니라, 고추가루의 외부비산을 차단함으로써 작업환경을 개선시키는 이점이 있다.
Patent KR-20010026117-A (KR)
Inventor: BAIK CHANG WEON
IPC: A01K97/02
Filed: 1999-09-03
Abstract: PURPOSE: A long range fishing apparatus having a float shooting device, an arrow-float, and a dried paste bait, and a long range float fishing method are provided to freely set a fishing point distance and the depth of water according to the individual taste and ability. CONSTITUTION: A long range float fishing apparatus comprises a float shooting device(000), an arrow-float(007), and a collecting knot(008). The float shooting device consists of a float detaching device(001) for loading and shooting the arrow-float, and a mount(341) mounted on a glass fiber rod for shooting(331). The arrow-float is blown away by using the elasticity and the centrifugal force of the components as stated above. Therefore, the long range float fishing apparatus is capable to substitute all kinds of fishing rod having different length by using only one glass fiber rod for shooting. Also, a fishing point distance and the depth of water are freely and accurately set according to the individual taste and ability, so that a unique float fishing technique is performed.
Patent KR-20000022961-A (KR)
Inventor: TAKENAKA NOBUYUKI
IPC: H01L21/316
Filed: 1999-09-07
Abstract: PURPOSE: A method is provided to realize an easy patterning and obtain a high quality of a semiconductor device by performing etching to open through holes in a state of a low aspect ratio. CONSTITUTION: A first insulation membrane(9) is formed on a lower layer having an electric conductor layer(17). First openings are formed in the first insulation membrane(9) to expose a portion of the electric conductor layer(17). A second insulation membrane(12) is formed while the first openings are filled with the second insulation membrane(12). A mask is formed on the second insulation membrane(12) to have an openings in the same size as the first openings in regions corresponding to the first openings. A wiring layer electrically connected to the electric conductor layer(17) is formed.
Patent KR-20010028467-A (KR)
Inventor: HAN KAP HYUN
IPC: C11D9/32
Filed: 1999-09-21
Abstract: PURPOSE: A soap containing sulfur is effective for maintaining a young skin, treating dandruff, acne, eczema, dermatititis, dermatophytosis, and improving constitution. CONSTITUTION: A preparation method of a sulfonate soap comprises the steps of dissolving 6g of sulfur powder in 30g of a biosurfactant, specifically polyoxyethylene oleyl ether; boiling the mixture at a temperature in a range of from 180 deg.C to 250 deg.C; adding 64g of polyoxyethylene sorbitan mono-oleate to the resulting solution; and adding 0.3g to 3g of sulfuric solution, 0.05g to 0.2g of glycerin, and 0.2g to 1g of pigment to yield a sulfonate soap. As for the biosurfactant, polyoxyethylene fatty alcohol ether, polyoxyethylene alkyl phenol ether, polyethylene glycol fatty acid ether, or fatty acid diethanol amide can be used.
Patent KR-20000023380-A (KR)
Inventor: SILRAR HELLEN
IPC: G02B6/122
Filed: 1999-09-22
Abstract: PURPOSE: An integrated optical device is provided to greatly decrease an amount of signal provided to a leading unit by having a first compartment having a wave guide and a second compartment located on above the first compartment. CONSTITUTION: A wave guide(10) having a quaternary material such as InGaAsP has a boundary(l) and an output(12) located on a surface of an output terminal(P). The wave guide(10) has an end portion(T) having an inclination portion(13). A non-inducible portion(14) has a great width(E) than a width(e) of a ravine portion. The wave guide(10) has an isolating region near a narrow width output(G) for removing a parasitic capacitance by the non inducible portion(14). An expanded edge(11) of an active layer has 180 degree with a side direction edge of the inclination portion(13).
Patent KR-20010028661-A (KR)
Inventor: KWON YONG UK
IPC: H04L12/28
Filed: 1999-09-22
Abstract: PURPOSE: A system for operating a database using an IP(Information Provider) phone is provided to previously process information each specific field, and to mount the information to the database, so that a user can obtain necessary information through a terminal or a cellular phone without a specific retrieval. CONSTITUTION: A system confirms hook-on/off states of a telephone. If the telephone is in the hook-off state, the system converts a mode into a telephone mode, and makes a telephone communication available state. If the telephone is in the hook-on state, the system confirms whether a user perceives a call number of information for being called. If so, the system inputs the number calling the information, and calls the number. If the information call number is called, the system is connected to a server(20), and retrieves information recorded on a database(25), then outputs the called information to the user. If the user does not perceive the information call number, the system guides the information call number like a 114 phone-number guidance. The user confirms the information call number to call the information call number. If the information is stored in the database(25), the user can receive the information through the terminals(10,11), or through an exchange(30) by using a cellular phone(35).
Patent KR-20000006759-A (KR)
Inventor: HONG JIN EUI
IPC: H04B1/38
Filed: 1999-10-27
Abstract: PURPOSE: A mirror for a cellular phone is provided to offer the convenience of living by adding a function using the cover of a cellular phone and the extra space by attaching a PET Film mirror or a glass mirror inside of the cover of a folder typed cellular phone or a flap typed cellular phone. CONSTITUTION: A mirror for a cellular phone is installed by; attaching a PET Film mirror or a glass mirror inside of the cover of a folder typed cellular phone or a flap typed cellular phone.
Patent KR-20000035526-A (KR)
Inventor: TOKUYAMA NORIAKI
IPC: H02P1/22
Filed: 1999-11-17
Abstract: PURPOSE: An electromotive shutter for a construction is provided to solve a problem to differently set up a spring constant to decide a detecting accuracy according to a closing operation and an opening operation. CONSTITUTION: When an obstacle is inserted or an overload is generated depending on the entire closing and the entire closing of shutter curtain, a shutter(9) is rotated against a first and a second springs for detecting a load(18,19). And the shutter(9) is automatically stopped by detecting from limit switches(LSD,LSU). Thereby a load of motor is directly detected and the more accurate detection of load is performed. Therefore, the accuracy of obstacle detection and limit detection is improved. And because butterfly bolts(20b,21b) to control and to fix springs for detecting the load(18,19) is able to change a control position toward a diameter of projection piece(15d), the workability is improved.
Patent KR-20000047686-A (KR)
Inventor: CHEN HAO
IPC: H02P6/16
Filed: 1999-11-20
Abstract: PURPOSE: A method of controlling a motor in a large capacity storage apparatus is provided to control the commutation of a motor through a PLL(phase locked loop) with phase error data and to present the maximum torque of motor in arranging phase currents with rear electromotive force. CONSTITUTION: A method of detecting phase errors between phase currents and driving voltage is composed by the steps of: generating signals for displaying phase currents; discriminating a time interval when the signals are totally symmetric to the midpoint of time interval if the phase error is almost 0; deciding the symmetric degree of signals to the midpoint of time interval; and creasing phase error data by responding to the former step. Therefore, a PLL controls the proper commutation of a motor with the phase error data.
Patent KR-20000012301-A (KR)
Inventor: LEE MYUNG HO
IPC: A23L27/00
Filed: 1999-11-20
Abstract: PURPOSE: A manufacturing method for a Chinese noodle cooking additional material is provided to improve a too oily taste of the Chinese noodle and to be suitable to the taste of a new generation. CONSTITUTION: A Chinese noodle is manufactured by adding a powdered cheese separately to an existed Chinese noodle for a user to scatter the powdered cheese to a cooked Chinese noodle. Therefore, the powdered cheese is included separately to the Chinese noodle cooking additional material.
Patent KR-20010047831-A (KR)
Inventor: JUNG DAE HO
IPC: H04B1/40
Filed: 1999-11-23
Abstract: PURPOSE: A cellular phone having a remote control unit and a remote controlling method using the same are provided to enable a cellular phone, including an infrared module, to transmit information and perform remote control using infrared rays. CONSTITUTION: A key input unit(12) is configured with a character key, a function key and a volume key. A memory(11) stored key data and signal formats necessary for remote control of a control object equipment. A controller(14) receives an input mode of the key input unit(12), to decide whether the input mode is a remote control mode using an RF(Radio Frequency), a data communication mode using an infrared communication system, or a remote control mode using an infrared communication system. A GPIO(General Port Input Output,21) processes data transmission, if the input mode received to the controller(14) is the remote control mode using the infrared communication system. An infrared remote controller(22) outputs electrical signal to output infrared remote control signals to the control object equipment, according to signals outputted from the GPIO(21). An infrared transceiver(20) converts the electrical signals outputted from the infrared remote controller(22) into optical signals, for outputting.
Patent KR-20010057794-A (KR)
Inventor: KIM GYEONG CHUL
IPC: A47L9/24
Filed: 1999-12-23
Abstract: PURPOSE: Combining structure for the extended pipe and the wall inlet of a vacuum cleaner is provided to easily and conveniently remove the wall inlet from the extended pipe. CONSTITUTION: A vacuum cleaner comprises a body containing a motor and a fan generating suction force; a wall inlet sucking impurities and indoor air with suction force; a wall inlet pipe(21) integrally formed with the wall inlet in one end with a combining hole(21a) in the other end; and an extended pipe(33) receiving suction force from the body and protruding a press protrusion(41) elastically moved to an inner circumference. In combining structure for the wall inlet and the extended pipe, hinges(51) are formed in both sides of the press protrusion and a releasing portion(52) are rotatively installed in the wall inlet pipe through each hinge to selectively push the press protrusion through the combining hole. A press portion(53) is integrally formed with the releasing portion to smoothly push the press protrusion.
Patent KR-20010061065-A (KR)
Inventor: CHUN JONG HUN
IPC: B24B15/04
Filed: 1999-12-28
Abstract: PURPOSE: A processing and polishing tool for a valve seat is provided to conveniently process and polish a welded portion, mechanically by being inserted to a valve box. CONSTITUTION: To weld a valve seat in a valve box, a rotor(20) for being inserted to the valve box is selected for combining at a fixing chuck(17). To eliminate welding bead, a bite(22) is combined to a bite fixing member(24) of the rotor for combining a rotating tool(80) to a driving connect unit(70). Then, the rotor is inserted to the valve box. An extend unit(42) of a support unit(40) is attached on an upper surface of the valve box, and the bite fixed at the rotor rotates a rotating handle(61) for contacting with the welding bead on a welding portion of the valve seat. A shaft transfer member(30) is lowered for contacting the bite with the welding bead. By rotation of the bite, the bead is eliminated. The rotor is withdrawn to outside for releasing the bite. Then, a polishing wheel(29) is installed on a lower surface of the rotor. After inserting the rotor to the valve box, the rotating tool is rotated to polish a portion without the welding bead by the polishing wheel.
Patent KR-20010065814-A (KR)
Inventor: LEE SEUNG JE
IPC: C04B35/04
Filed: 1999-12-30
Abstract: PURPOSE: A high heat stress resistant magnesia-carbon brick is provided which shows high heat stress resistance with keeping corrosion resistance and improved oxidation-resistance. CONSTITUTION: The high heat stress resistant magnesia-carbon brick contains 1-5 wt.% of an additive consisting of more than one kind selected from ZrO2·SiO2 and Ca-Si alloy, 1-6 wt.% of an antioxidant selected form Al, Mg-Al and mixtures thereof and 5 wt.% of a phenol compound binding agent based on 100 wt.% of raw materials consisting of 75-95 wt.% of magnesia refractory and 5-25 wt.% of graphite.