baber/WOPTO huggingface dataset:
Patent KR-20020037926-A (KR)
Title: High-efficiency Bilge Keels
Inventor: NA JEONG HEON
IPC: B63B3/44
Filed: 2000-11-16
Abstract: PURPOSE: A high efficient bilge keel is provided to restrict rolling of a ship, to improve the performance, and to design the design of the ship conveniently by mounting various bilge keels in the low speed ship or a marine structure. CONSTITUTION: A bilge keel(10) is installed in the bottom of a ship to restrict rolling of the ship, and protruded out of the extension line of the bottom of the ship. Structures having various sections are connected and mounted in the ends of the bilge keels to increase the damping coefficient. The bilge keel is mounted in the low speed ship or the marine structure, and protruded without limit of length. The low speed ship and the marine structure cruise against obstacles from the length of the bilge keel. The lift is used around the end of the blade in rolling the ship with connecting the hydrofoil section structure to the end of the ship. Rolling is restricted with mounting bilge keels including various sections in the ship.
Patent KR-20020039193-A (KR)
Title: An apparatus and method of vapor discharging in cooker
Inventor: HAN JIN UK
IPC: A47J27/08
Filed: 2000-11-20
Abstract: PURPOSE: A steam discharging apparatus of a cooker and a control method thereof are provided to improve the safety of the steam discharging apparatus by varying the intensity of pressure formed in the cooker. CONSTITUTION: A discharging hole(102) is formed by passing through an inner plate(100) of a lid. A steam discharging apparatus is installed in an inner portion of the lid. A valve body(200) is coupled to the inner plate(100) together with an upper plate(210) by means of a coupling screw(212). A packing(104) and an O-ring(106) are interposed between the valve body(200) and the inner plate(100). A discharging fluid passage(202) communicated with a discharging port is formed in the valve body(200). The discharging fluid passage(202) is also communicated with a fluid passage(205) formed in the valve body(200). A seat section(204) is formed at a front portion of the discharging fluid passage(202). A lead end(222) is protruded towards the seat section(204).
Patent KR-20010051902-A (KR)
Inventor: MICHAEL D FITZSIMONS
IPC: G06F1/24
Filed: 2000-11-23
Abstract: PURPOSE: A method and device for configuration of data processing system after reset are provided to accurately determine a reset vector address after reset, additional pin, nonvolatile storing position or data bus sampling. CONSTITUTION: A data processing system includes memories of various bit widths upon moving out of reset. A rest vector is composed of bytes, which are derived from a memory storing the reset vector in each memory operation. These bytes are stored in each possible memory structure in the prescribed manner, and a prescribed address is used to retrieve different bytes on a same part of data buses. A constituent value part of the retrieved reset vector is used to compose various parameters in the data processing system, so that parameters associated with other function characteristics in the memory or the system are initialized. A control part determines the manner in which a data part of the constituent value is adapted to various parameters in the data processing system.
Patent KR-20020043890-A (KR)
Title: Recliner for automobile
Inventor: KIM JAE CHEOL
IPC: B60N2/10
Filed: 2000-12-04
Abstract: PURPOSE: A recliner for a vehicle is provided to improve the performance and operability of an operating lever by forming a male serration of a recliner in the shape of a ball joint. CONSTITUTION: A male serration(72) connected with main and subsidiary recliners is combined with a female serration(71) connected with a connecting shaft. Herein, the male serration is formed in the shape of a ball joint. Thus, the male serration freely moves by being combined to the inside of the female serration. Even if the subsidiary recliner is distorted, the main and subsidiary recliners are maintained parallel by centering on a connecting shaft. Therefore, an operating lever is operated smoothly.
Patent KR-20010062349-A (KR)
Inventor: AHNERT GERD
IPC: F16H3/097
Filed: 2000-12-12
Abstract: PURPOSE: A transmission is provided to thermally apply a load especially on a clutch unit by inducting heat decreased already. CONSTITUTION: A transmission is provided with one transmission output shaft(106), and two transmission input shafts(102,103) forming two parallel transmission trains having a plurality of speed gear stages. Both transmission trains can be respectively united to an input shaft(101) by one of clutch discs(112,113) provided in a clutch unit(110). The large number of the speed gear stages continuing to each other with reference to a gear change ratio are respectively corresponding to different clutch discs. In order to decrease a load on the clutch unit on the input side, at least one of another devices for changing torque or the number of revolutions is additionally provided. The transmission reduces a load through reduced heat input in a clutch unit.
Patent KR-20020049592-A (KR)
Inventor: HONG IK PYO
IPC: B01D53/04
Filed: 2000-12-19
Abstract: PURPOSE: Provided is an adsorber for pre-treating air using carbon fiber mat in oxygen/nitrogen separation process from air. The adsorber pretreats air to remove moisture and impurities. Therefore separation efficiency and productivity of oxygen/nitrogen are improved. CONSTITUTION: The adsorber is packed with an activated alumina layer(110) and a zeolite layer(120). A carbon fiber mat(10) is installed between the activated alumina layer(110) and the zeolite layer(120) for improving heat conductivity. A radiator(30) is installed at the outside of the carbon fiber mat(10) for improving cooling efficiency. The radiator(30) is made of aluminum or copper being good heat conductivity.
Patent KR-20020052413-A (KR)
Title: a release preventing device of clutch pedal for a remote starting vehicle
Inventor: HAN JEONG MIN
IPC: B60K23/02
Filed: 2000-12-26
Abstract: PURPOSE: A device for preventing a clutch pedal from being released of a remove starting vehicle is provided to prevent the clutch pedal from being released by fixing a plunger on a protrusion. CONSTITUTION: A device for preventing a clutch pedal from being released in a remote starting vehicle comprises a clutch(1) controlling power of an engine; a clutch pedal(6) installed on an inner portion of a dash board(19) to control the clutch; a release preventing unit(20) mounted on the dash board; an actuator(21) operated by a switch; a protrusion(22a) fixing the clutch pedal by being mounted on a plunger(22); a push rod(7) combined to an upper portion of the clutch pedal; a master cylinder(8) operated by the push rod; a clutch fork(9) actuated by the master cylinder with a release cylinder; a return spring(10) returning the clutch pedal; and a release combined to the clutch fork. An ignition switch is operated by stepping on the clutch pedal. Thereby, the device for preventing the clutch pedal from being released in the remote starting vehicle prevents the clutch pedal from being released by fixing the plunger on the protrusion.
Patent KR-20020055729-A (KR)
Title: Electronic chip cooler
Inventor: NAM GI UNG
IPC: H01L23/36
Filed: 2000-12-29
Abstract: PURPOSE: An apparatus for cooling an electronic chip is provided to prevent a product defect caused by a conventional screw coupling in an assembly line, by installing a frame unit on the upper surface of a cooling pin of a heat sink. CONSTITUTION: A heat sink(10) closely comes in contact with the heat generating surface of the electronic chip. The heat sink receives heat from the heat generating surface and radiates the heat through a plurality of cooling pins(12) which are installed at a side of the heat sink at regular intervals. A rotating unit has a blade(22) which receives power and ventilates the cooling pin, installed in the cooling pin of the heat sink. The heat sink is formed as one body with a frame part(15) having a space part in which the rotating unit is installed in the center of the cooling pin.
Patent KR-20020055903-A (KR)
Inventor: CHOI GWANG SEONG
IPC: H01L23/48
Filed: 2000-12-29
Abstract: PURPOSE: A method for packaging a semiconductor device is provided to reduce capacitance difference generated by the difference of a major axis length between metal leads, by performing an etch process using a predetermined mask process regarding the inside of a semiconductor package so that the metal leads have the same size of the major axis length. CONSTITUTION: A predetermined leadframe groove is formed. A pad is formed to fill the groove. Leads are formed on the back surface of a leadframe(11). A chip is attached to the upper portion of the pad. A wire connects the leads with a predetermined portion of the chip. The resultant structure except a predetermined portion of the outside of the leads is molded.
Patent KR-20010022709-A (KR)
IPC: C09D201/00
Filed: 1998-08-07
Abstract: The composition is based on a samarium sesquisulphide, it exhibits a samarium purity with respect to other rare earth metals of greater than 99% and it comprises at least one alkali metal or alkaline earth metal element, at least a portion of which is included in the crystal lattice of the said sesquisulphide. According to another embodiment, the composition is based on a sesquisulphide of samarium and of at least one rare earth metal which is solely trivalent and it comprises at least one alkali metal or alkaline earth metal element, at least a portion of which is included in the crystal lattice of the said sesquisulphide. According to a third embodiment, the composition exhibits a samarium purity such that the cerium content is less than 1%. The process consists in reacting samarium, trivalent rare earth metal and alkali metal or alkaline earth metal compounds with a gaseous mixture of hydrogen sulphide and of carbon disulphide.
Patent KR-20010023041-A (KR)
Title: 무 에스테라제 효소
IPC: C12N11/04
Filed: 1998-09-08
Abstract: 에스테라제 활성 및 D-아미노산 옥시다아제 활성을 갖고(갖거나) 에스테라제 활성 및 글루타릴아실라아제 활성을 갖는 혼합물에 있어서, 페닐메틸술포닐 플루오라이드; 효소 활성을 가진 미생물을 폴리머를 함유한 1급 아민 또는 2급 아민으로 처리함으로써 얻을 수 있는 구형의 입자 중에서 고정화된 생체 촉매, 물과 이상계를 형성할 수 있는 유기 용매와 이기능성 시약의 처리에 의해,  D-아미노산 옥시다아제 활성의 존재하에 또는 글루타릴아실라아제 활성의 존재하에 존재하는 에스테라제 활성을 감소시키는 방법; 및 7-아미노세팔로스포란산, 7-아미노-3-히드록시메틸-3-세펨-4-카르복실산 및 세팔로스포린 항생제의 생산에 있어서 상기 방법 및 생체촉매들의 용도.
Patent KR-20010033054-A (KR)
IPC: C09B67/22
Filed: 1999-10-14
Abstract: 아조안료를 위한 조색제, 조색된 아조안료 및 그 제법을 제공한다. 
     2-히드록시나프탈렌-3,6-디카르복실산 및 그 유도체를 아조안료의 주요한 커플러성분에 배합하고, 이 배합 커플러성분과 방향족 디아조늄염과 커플링한다.
Patent KR-20010033930-A (KR)
Title: 터보과급기 시스템
IPC: F02B37/007
Filed: 1999-01-07
Abstract: 내연 기관을 위한 터보과급기 시스템은 압축기(7,8)에 구동 연결된 터빈(5,6)을 각각 포함한 두 개의 터보과급기로 구성된다.  온도 센서(19,20)는 압축기 출력부에서 온도를 감지하도록 배치된다.  이 온도는, 조정 작용이 일어나는 불균형 상태를 나타내도록 모니터 된다.  이 장치는 신뢰성있고 경제적인 감시 작용을 제공한다.
Patent KR-20010041735-A (KR)
Title: 집전체 코팅 장치 및 코팅 방법
IPC: H01M4/04
Filed: 1999-03-03
Abstract: 전기화학적 전지와 배터리에 있어서 집전체의 웹(11)을 전기전도성 접착물질로 연속적으로 코팅하는 장치 및 방법을 개시한다. 이 장치는 (a) 집전체 물질의 웹의 소소; (b) 액상 조성물(28)이 담겨있는 저장조(26); (c) 외표면의 적어도 일부분이 액상 조성물에 담겨있어서 액상 조성물이 그의 외표면에 부착하도록 되어 있는 제1 회전형 롤러; 및 (d) 제1 회전형 롤러의 인접부분에 위치하며 그의 외표면이 제1 회전형 롤러의 외표면과 함께 집전체 물질의 웹이 통과하는 닙(21)을 한정하는 것을 특징으로 하는 제2 회전형 롤러를 포함한다.
Patent KR-20010042261-A (KR)
IPC: C12N15/82
Filed: 2000-01-28
Abstract: DNA obtained, for example, from snapdragon or torenia, encoding an enzyme that can convert flavanones directly to flavones, and its uses; the DNA and amino acid sequences for enzymes encoded thereby are listed as SEQ.ID. No. 1 & 2 and 3 & 4, for example. Introduction of the genes into plants can, for example, alter the flower colors of the plants.
Patent KR-20010052312-A (KR)
Title: 이온화된 물리적 증착 방법 및 장치
IPC: H01J37/34
Filed: 1999-05-05
Abstract: 본 발명의 이온화된 물리적 증착(IPVD)은 환형의 마그네트론 스퍼터링 타켓(51)으로부터 도전성 재료의 금속 코팅 재료를 스퍼터링하기 위한 방법 및 장치(40)을 구비한다.  상기 스퍼터된 재료는 스퍼터링 타켓(51)의 개구 중심에서 진공실 벽(42)의 유전체 윈도우(61,71,81)뒤쪽의 진공실 외부에 위치되는 코일(65,75)로부터 커플링되는 에너지를 가지고 상기 공간내에 조밀한 플라즈마를 발생시킴으로써 타켓(51)과 기판사이의 진공실(41)내에 처리 공간에서 이온화된다.  패러디형 실드(66,67)는 코팅 재료가 윈도우를 코팅하는 것을 방지하면서 코일로부터 처리 공간내로 에너지를 유도가능하게 커플링하기 위하여 윈도우를 물리적으로 차폐한다.  상기 타켓의 뒤쪽 또는 타켓의 평면에 있는 코일(65)의 위치는 웨이퍼 공간에 대한 타켓이 막 증착비율을 적절하게 하고 균일하게 하기 위하여 선택되도록 하며, 또한 타켓 중심의 개구에서 원치않는 증착과 관련된 문제점이 없이 링 형상 소스를 제공하는 장점을 가진다.
Patent KR-20010071370-A (KR)
Title: 폐수로부터 불소화 알칸산을 회수하는 방법
IPC: C07C51/47
Filed: 1999-05-27
Abstract: 본 발명은 
     비이온성 계면활성제 또는 양이온성 계면활성제나 이와 동등한 효과를 갖는 표면 활성 물질에 의해 폐수 속에 미분산되어 있는 고체들을 안정화시키는 단계, 
     불소화 유화제 산을 음이온 교환 수지에 결합시키는 단계, 
     음이온 교환 수지로부터 불소화 유화제 산을 용출시키는 단계를 포함함을 특징으로 하여, 폐수로부터 불소화 유화제 산을 회수하는 방법에 관한 것이다.
Patent KR-20010052498-A (KR)
Title: Novel methods for rescue of RNA viruses
Inventor: PARKS CHRISTOPHER L
IPC: C12N15/863
Filed: 1999-06-03
Abstract: This invention relates to improved methods for producing nonsegmented, negative-sense, single-stranded RNA viruses of the Order designated Mononegavirales virus, including embodiments relating to methods of producing such viruses as attenuated and/or infectious viruses, such as Measles virus (MV) and respiratory syncytial virus (RSV). One method for producing a recombinant virus from the Order Mononegavirales comprises (a) in at least one host cell, conducting transfection of a rescue composition which comprises (i) a transcription vector comprising an isolated nucleic acid molecule which comprises polynucleotide sequence encoding a genome or antigenome of a nonsegmented, negative-sense, single stranded RNA virus of the Order Mononegavirales and (ii) at least one expression vector which comprises at least one isolated nucleic acid molecule encoding the trans-acting proteins necessary for encapsidation, transcription and replication; in a host cell under conditions sufficient to permit the co-expression of these vectors and the production of the recombinant virus; (b) heating the transfected rescue composition to an effective heat shock temperature under conditions sufficient to increase the recovery of the recombinant virus; and optionally, (c) harvesting the resulting recombinant virus.
Patent KR-20010052561-A (KR)
Title: 이좌배위 포스포나이트 리간드를 기재로 하는 8ｂ 족금속의 착물로 이루어지는 촉매 및 니트릴 제조 방법
IPC: C07C255/07
Filed: 1999-06-04
Abstract: 본 발명은 1 개 이상의 하기 화학식 I의 이좌배위 포스포나이트 리간드를 갖는 1 개 이상의 8B 족 금속의 착물 또는 그의 염 및 혼합물로 이루어지는 촉매, 모노올레핀성 C 5 -모노니트릴의 혼합물의 제조 방법, 분지쇄 지방족 모노알켄니트릴의 촉매 이성질체화 방법 및 아디포디니트릴의 제조 방법을 제공한다. 
     ＜화학식 I＞
Patent KR-20010071616-A (KR)
Title: 페닐알칸산아미드화합물의 제조방법 및 그를 위한 중간체
IPC: C07C235/34
Filed: 2000-04-27
Abstract: 본 발명은, 우수한 살균활성을 가진 페닐알칸산아미드화합물의 간편하고 용이한 제조방법 및 그를 위한 중간체를 제공한다. 
     본 발명은, 일반식 [1] 
     
       
     
     (식 중, X는 수소원자, 알킬기, 알콕시기, 할로알킬기 또는 할로겐원자를 나타내고, n은 l∼3의 정수를 나타내며, n이 2이상일 때 X는 동일하여도 달라도 좋고, Y 및 Z는 각각 독립적으로 할로겐원자 또는 수소원자를 나타낸다) 
     로 나타내는 카르본산화합물을 탈수제와 반응시켜, 일반식[2] 
     
       
     
     (식 중, X, n, Y 및 Z는 각각 상기와 같다)로 나타내는 옥사졸리논화합물을 제조하고, 이어서 이 옥사졸리논화합물을 메틸리튬 또는 메틸마그네슘핼라이드와반응시키는 것을 특징으로 하는, 일반식[3] 
     
       
     
     (식 중, X, n, Y 및 Z는 각각 상기와 같다)로 나타내는 페닐알칸산아미드의 제조방법, 및 그 중간체에 관한 것이다.
Patent KR-20010053333-A (KR)
Title: Ｐｌｌ 회로
IPC: H03L7/06
Filed: 1999-06-30
Abstract: A/D 변환기(30)는 아날로그 신호를 VCO(70)로부터의 샘플링 클럭에 동기하여 샘플링하여 샘플치를 얻는다.  이것은 시프트 레지스터(410)에 저장되고 있다.  부호 판정부(420)는 시프트 레지스터(410)의 기억 소자(S0 ∼ S5)에 유지되어 있는 샘플치의 플러스 마이너스의 부호 패턴(시계열의 부호 패턴)을 구하고, 이 구해진 부호 패턴에 따라 시프트 레지스터(410)의 기억 소자(S0 ∼ S3)에 보유되어 있는 샘플치를 소정의 레지스터(431 ∼ 434)에 저장하는 처리를 행한다.  이에 따라, 연산부(430)는 아날로그 신호와 샘플링 클럭의 위상 오차를 구한다.  이 위상 오차는 D/A 변환기(50), 루프 필터(60)를 통하여 VCO(70)에 공급된다.
Patent KR-20020060467-A (KR)
Title: Method and system for purchasing an objects by drawing in a lottery based on the wire and wireless internet
Inventor: KIM HEE YEONG
Filed: 2001-01-11
Abstract: PURPOSE: A method and a system for purchasing luck commodity are provided to supply a commodity for a prizewinner by collecting poor clients who wish to buy the same commodity, paying a predetermined membership fee, and selecting a prizewinner when the membership fee is reached to a commodity price. CONSTITUTION: A client connects to a server of a lucky buying method and system through a personal terminal, a PDA, or a wireless Internet mobile telephone(S10). The client searches a commodity database of the server and searches a partial portion of a commodity to be bought(S20). The client searches a specification, a price, a collecting method, an amount of money, and a term of a commodity to be bought and joins to the membership(S30). The client pays a predetermined membership fee and joins to a lucky purchase member of a commodity(S40). If the number of collected members is reached to buy a commodity, a member collection process is stopped and a lottery is performed and a prizewinner is selected(S60). A corresponding commodity is delivered to the selected prizewinner(S70).
Patent KR-20020061362-A (KR)
Title: cathode of impregnate type for color cathode ray tube and method manufacture for cathode of impregnate type
Inventor: KO YEONG DEOK
IPC: H01J1/28
Filed: 2001-01-16
Abstract: PURPOSE: An impregnation type cathode of a color cathode ray tube and a manufacturing method thereof are provided to obtain stable electron emission characteristic by minimizing aging due to heat during operation of a cathode and reducing damage to bottom portion of cathode gas. CONSTITUTION: An impregnation type cathode of a color cathode ray tube comprises a non-porous layer(6) formed over the entire portion or some part of bottom portion of cathode gas(1). The bottom surface contains electron emission material such as BaO, CaO, Al2O3 impregnated into a porous sintered body. The non-porous layer(6) is formed by melting the porous sintered body containing high melting point metal by radiating a laser beam onto the porous sintered body. A high melting point metal film(5a) made of at least one of Mo, Ru, Nb and Ta is formed over the non-porous layer(6) and remaining portion by several μm. The cathode processed as above is welded with a cup(2).
Patent KR-20020061723-A (KR)
Title: apparatus for carrying wafer
Inventor: NAM JAE U
IPC: H01L21/68
Filed: 2001-01-17
Abstract: PURPOSE: An apparatus for loading a wafer is provided to reduce contamination of the inside of a loading unit and to minimize recontamination of the wafer caused by the contamination of the loading unit, by exhausting gas byproducts on the wafer through the second door unit. CONSTITUTION: A plurality of slots are positioned at both side surfaces of the loading unit(10), in parallel with each other. A plurality of wafers(W) are loaded into the loading unit, supported by the plurality of wafers. The first door unit(12) is installed on the front surface of the loading unit. The first door unit opens or closes the front surface of the loading unit to unload the wafer stacked in the loading unit. The second door unit(14) connects the inside and the outside of the loading unit, installed in a predetermined portion on the back surface of the loading unit.
Patent KR-20020062423-A (KR)
Title: Method for setting and controlling printing position of the printer
Inventor: LEE SANG MIN
IPC: B41J29/38
Filed: 2001-01-20
Abstract: PURPOSE: A method for setting and adjusting printing location of printer is provided to control the printer to print on a part of paper set by a user. CONSTITUTION: A method includes the steps of: a step(301) determining whether command demanding setting of printing location of a printer is input; a step(302) outputting printing location setting menu screen for setting printing location of the printer when the printing location setting command is input; a step(303) inputting information on printing location of the printer in the printing location setting menu screen using input devices; and a step(304) storing the input printing location information of the printer in a printer register information area of a memory.
Patent KR-20010078132-A (KR)
Title: Apparatus for injecting solid particulate material into a vessel
Inventor: DUNNE MARTIN JOSEPH
IPC: C21C5/46
Filed: 2001-01-29
Abstract: PURPOSE: Apparatus for injecting solid particulate material into a vessel is provided, which is used for injecting metallurgical feed material into the molten bath of smelting vessel for producing molten metal. CONSTITUTION: The metallurgical vessel has a hearth that includes a base(12) and sides(13) formed from refractory bricks; side walls(14) which form a generally cylindrical barrel extending upwardly from the sides(13) of the hearth and which includes an upper barrel section(15) and a lower barrel section(16); a roof(17); an outlet(18) for off-gases; a forehearth(19) for discharging molten metal continuously; and a tap-hole(21) for discharging molten slag.
Patent KR-20020063417-A (KR)
Title: Medicine Bottle of Nose Gargle
Inventor: CHO WON GI
IPC: A61J1/00
Filed: 2001-01-29
Abstract: PURPOSE: Provided is a vial for medicating medicines for nose which forms a medication hole in a slid way upwardly and overturns the vial in use so that it relives inconvenience in medicating the medicines for nose. CONSTITUTION: The vial for medicating the medicines for nose comprises the parts of: the medication hole(30) which is upwardly slid at a certain angle at one side of a cover(20); a nozzle(31) which includes a release passage penetrating with an internal cover at one edge of the medication hole; a nozzle protection tool(40) which is bound to be removed at the external circumference part of the nozzle; and a wheel for preventing the release of the medicines which is placed at the internal cover and keeps close combination state with an upper edge of the vial.
Patent KR-20020066504-A (KR)
Title: Photoresist composition for patterned spacer of lcd application
Inventor: AHN YONG SIK
IPC: G03F7/039
Filed: 2001-02-12
Abstract: PURPOSE: Provided are a photosensitive resin composition which has high crosslinking density and can form a fine pattern, and which has excellent mechanical and electrical properties, and a method for producing a thin film of patterned spacer comprising the same. CONSTITUTION: The photosensitive resin composition comprises a) reactive matrix resin, b) a polyfunctional acryl monomer having at least two ethylenically unsaturated linkage, c) a photopolymerization initiator, d) solvent, and e) a polyfunctional epoxy monomer comprising at least two epoxy group represented by formula 1: £A|n-R-£B|m. In the formula 1, each of n and m is positive integer of 0-4, R represents an alkyl group or aryl group having C1-C15, a C2-C15 alkylester, aryl ester, or ether compound having ester linkage, a C2-C15 compound comprising at least on sulfide linkage, an alkyl tert-amine, or an aryl tert-amine having C3-C15, A is a compound represented by formula 1-A, B is a compound represented by formula 1-B(wherein R' represents a cycloalkane compound, or cycloalkane ether having C3-C6).
Patent KR-20020038443-A (KR)
Title: Friction stir welding method
Inventor: EZUMI MASAKUNI
IPC: B23K33/00
Filed: 2001-02-14
Abstract: PURPOSE: To suppress the generation of a notch at lapped faces in a friction stir welding of lapped members. CONSTITUTION: A plate 10 and a plate 20 are lapped and a groove 12 is made on the lapped face of the plate 10. A projected part 22 is made on the outer part of the other plate 20. A rotating tool 50 is inserted from the side of the projected part 22 and the friction stir welding is performed. The groove 12 is filled by the friction stir welding and its filler metal is the projected part 22. With this method, the pressure on the joined part is not excessive and the generation of the notch on the lapped faces is suppressed. Thus, a method of the friction stir welding by which a light and excellent joining is obtained is provided.