baber/WOPTO huggingface dataset:
Patent KR-20010066312-A (KR)
Inventor: KIM YANG BAE
IPC: C08G73/00
Filed: 1999-12-31
Abstract: PURPOSE: Provided is a water-dispersable polyepoxide-polyoxyalkylene amine resin containing a hydroxy group. And a cationic electrodepositing paint composition containing the same is also provided, which shows excellent adhesibility to the top coating when being coated, and has tolerance to crater and pin hole and also has heat-stability. CONSTITUTION: The water-dispersable polyepoxide-polyoxyalkylene amine resin is prepared by reacting 1 equivalent of a polyepoxide-polyalkanol mono-amine derivative represented by the formula (1) with 1.05-3.0 equivalents of a polyoxyalkylene diamine, which has a molecular weight of 150-3500 and is represented by the formula (2), or a polyoxyalkylene mono-amine represented by the formula (3) at 50-150 deg.C in the presence of a solvent or not. In the formula (1), R1 and R2 are independently the same or different from each other wherein at least one of R1 and R2 is C1-4 alkyl radical containing a hydroxy group, and R3 is C21-57 alicyclic or an aromatic hydrocarbon radical containing an ether group. In the formula (2), two Rs are independently the same or different from each other and are selected from the group consisting of hydrogen and C1-6 alkyl radical, and n is an integer of 1-50. In the formula (3), two Rs are independently the same or different from each other and are selected from the group consisting of hydrogen and C1-6 alkyl radical, and n is an integer of 1-50. The cationic electrodepositing paint composition comprises: (i) 2-5 wt.% of the water-dispersable polyepoxide-polyoxyalkylene amine resin containing a hydroxy group; (ii) 32-38 wt.% of a cationic resin which is able to electrodeposit a cation; (iii) 1-2 wt.% of a plasticizer; (iv) 45-50 wt.% of deionized water; and (iv) the balance of other components.
Patent KR-20000035788-A (KR)
Title: Process for the preparation of acylated hexaazaisowurtzitane derivatives
Inventor: KODAMA TAMOTSU
IPC: C07D487/22
Filed: 1997-10-14
Abstract: PURPOSE: Provided is a method for producing an acyl group-containing hexaazaisowurtzitane derivative which is useful as a precursor of a hexanitrohexaazaisowurtzitane derivative which can be used for improving the performance of conventional explosives. CONSTITUTION: Provided is a method for producing an acyl group-containing hexaazaisowurtzitane derivative represented by the following formula (1), WAnH(6-n) wherein n represents an integer of 4 or 6, each A independently represents an acyl group having 1 to 10 carbon atoms, H represents a hydrogen atom, and W represents a hexavalent hexaazaisowurtzitane residue represented by the following formula (2): which comprises: providing a composition system comprising a mixed solvent of a first solvent and a second solvent respectively having high and low dissolving abilities for the desired compound, wherein the mixed solvent has the desired compound dissolved therein; and removing the first solvent having a high dissolving ability from the composition system to thereby deposit crystals of the desired compound. The desired compound, which is useful as a precursor of high performance explosive additive, i.e., hexanitrohexaazaisowurtzitane, can be easily produced in high purity form in high yield and at low cost.
Patent KR-20000068143-A (KR)
IPC: F16D13/75
Filed: 1998-06-17
Abstract: 본 발명은 반응판, 그 주변에 마찰 라이닝을 지탱하고 있는마찰 디스크, 압력판(1), 반응판상에 고정된 커버(2), 커버와 압력판(1) 사이에서 지지체(14)를 통해서 축방향으로 작동하는 탄성 수단(3), 지지체(14)와 압력판(1) 사이에 축방향으로 설치된 융기 수단(11)을 갖는 마모 테이크-업 장치를 포함하며, 상기 융기부(15)는 오목 수단(4)과 함께 작동하기에 적합하다.  또한 상기 테이크-업 장치는 웜(13)과 함께 작동하는 치형부(18)를 가지며, 상기 오목 수단(4)은 상기 치형부 수단(18)과 일체형이며 웜(13)을 회전 구동하는 수단(20)이 제공되며, 웜(13)과 이 웜(13)을 회전구동하는 수단(20)은 융기 수단(11)과 일체형인 지지체(12)에 의해서 지지된다.
Patent KR-20000057381-A (KR)
Inventor: SHAO STEN
IPC: G01N25/02
Filed: 1997-12-04
Abstract: PURPOSE: A method for judging the properties of a molten cast iron is provided to predict the microstructure with which a certain cast iron melt will solidify. CONSTITUTION: A method for judging the properties of a molten cast iron comprises the steps of: a) taking a sample of the cast iron melt having a predetermined weight W; b) adding the sample to a sample vessel containing an amount of a neutralizing agent, preferably tellurium, which is sufficient to change an amount W of molten grey cast iron to white iron; c) recording a cooling curve in the centre of the so-obtained treated iron sample; d) determining the local maximum value Te(max) of the cooling curve obtained in step c); and e) predicting whether the cast iron melt will solidify as SGI, CGI, flake patchy or grey cast iron by using the information obtained in step d).
Patent KR-20000062254-A (KR)
Title: 세탁 내구성이 있는 비이드 결합층을 보유한 역반사 물품
IPC: B32B27/40
Filed: 1997-12-04
Abstract: 본 발명의 역반사 물품(10)은 고체 폴리우레탄을 포함하는 결합층(14)에 부분적으로 매립된 역반사 부재(12)를 보유한다. 폴리우레탄은 연질 세그먼트, 경질 세그먼트, 규소 부분 및 우레탄 부분을 포함한다. 특정 케미칼을 확인하고 세그먼트와 부분의 상대적인 함량은 중합체에 소정의 높은 연신율 및 낮은 모듈러스를 부여하기에 충분하다. 본 발명의 역반사 물품은 산업 현장 규모의 세척 조건하에서 텀블 및 터널 건조기에 대해서도 놀라운 세탁 내구성을 나타낼 수 있다.
Patent KR-20010005628-A (KR)
IPC: C08G59/26
Filed: 1998-03-25
Abstract: 본 발명은 낚싯대, 골프채 자루 등에 사용되는 FRP용 에폭시 수지 조성물, 보강 섬유와 결합한 에폭시 수지 조성물로 이루어지는 중간 재료인 프리프레그 및 이로부터 얻어지는 튜브형 성형품에 관한 것이다.  본 발명의 FRP용 에폭시 수지 조성물은 (A) 비스페놀 A형 에폭시 수지, (B) 옥사졸리돈 고리를 갖는 에폭시 수지 및 (C) 경화제를 포함한다.  본 발명의 FRP용 에폭시 수지 조성물을 사용함으로써, 취급성이 우수한 프리프레그 및 길이 방향으로의 굴곡 강도와 직경 방향으로의 압괴 강도가 개선된 튜브형 성형품을 얻을 수 있다.
Patent KR-20010012154-A (KR)
Inventor: AKIRA MORIKAWA
IPC: A23G1/32
Filed: 1999-02-22
Abstract: A process for producing water-containing chocolates of the water-in-oil type by mixing a chocolate dough with aqueous components wherein use is made of sucrose fatty acid esters having an HLB of 3 or less and carrying 16 to 18 carbon atoms in the main constituting fatty acids and polyglycerol polyricinolate each in an amount of from 0.05 to 5.0 % by weight based on the chocolate dough.
Patent KR-20010012376-A (KR)
Title: 배기가스 정화 촉매용 메탈 허니콤체 및 그 제조방법
IPC: B23K20/02
Filed: 1997-08-15
Abstract: 본 발명은 배기가스 정화에 사용되는 촉매 컨버터용 메탈 허니콤체를 형성하는 금속 평박(a metal flat foil)과 금속 파박(a metal corrugated foil)의 접촉부의 고상 확산 접합성 및 엔진 내구성을 개선하기 위하여, 두 가지 금속박 중 적어도 어느 하나의 박 두께를 40μm 미만으로 하고, 접합 후의 Al 함유량을 3% 이상으로 하는 것, 두 금속박의 폭 방향의 표면상태를 소정의 표면조도 또는 표면 형상으로 하는 것, 또는 두 금속박의 접촉부의 폭을 금속박 두께의 5배 이상으로 하는 것 중 어느 하나 또는 이들을 조합한 것 및 더욱 엔진 내구성을 향상하기 위하여 상기한 것으로 이루어지는 허니콤체의 내부에 비접합부를 가지거나, 그리고/또는 허니콤체 외주에 셀을 배치하는 것을 특징으로 한다.
Patent KR-20010013405-A (KR)
Inventor: HINTZE-BRUENING HORST
IPC: C08K5/3472
Filed: 1998-06-02
Abstract: The invention relates to a coating agent containing a) one or more polyester resins (A); b) one or more polyacrylate resins (B); c) one or more di- and/or polyiscyanates (C) with free or blocked isocyanate groups; d) one or more light stabilizers (L1) based on a UV absorber; e) one or more light stabilizers (L2) based on sterically hindered amines; and f) one or more organic solvents (D). The coating agent is characterized in that 1) the polyester (A) has a hydroxyl number of 80-200 mg KOH/g and an acid number < 10 mgKOH/g; 2) the plyacrylate resin (B) has a hydroxyl number of 80-200 mgKOH/g and an acid number < 20 mgKOH/g; and 3) the light stabilizer (L2) base on sterically hindered amines is functionalized by aminoether.
Patent KR-20010073415-A (KR)
Title: High-tension correction apparatus
Inventor: JUNG JAE UK
IPC: H04N3/19
Filed: 2000-01-14
Abstract: PURPOSE: A flyback voltage correcting device is provided to accurately detect and correct flyback voltage variance components by using input video signals. CONSTITUTION: A flyback transformer(202) generates flyback voltage to a display part(210). A color signal processor(204) generates color signals of an east-west distortion correction signal and a video signal according to flyback voltage variance detected through an auto beam limiter of the flyback transformer(202). A flyback voltage variance detector(410) detects the flyback voltage variance using color signals generated from the color signal processor(204). A deflection processor(206) provides the deflection processed results to the display part(210) and the flyback transformer(202) using the east-west distortion correction signal according to the detected flyback voltage variance.
Patent KR-20010073962-A (KR)
Title: Monitoring method and light source module for wavelength locking
Inventor: JU GWAN JONG
IPC: G02B27/00
Filed: 2000-01-24
Abstract: PURPOSE: A method for detecting and stabilizing wavelength and a wavelength stabilizing optical source module by using thereof are provided to stabilize the wavelength by using the wavelength dependence of reflection and transmission efficiently with using a Fabry-Perot structure filter element in an optical route. CONSTITUTION: In the method for detecting and stabilizing wavelength and the wavelength stabilizing optical source module by using the same, a single mode optical source(10), a lens(12), a Fabry-Perot filter(11), an array optical detector(20) and optical detectors(31, 32) are included. The lens(12) controls the radiation angle of the laser beam radiated from the single mode optical source(10). The array optical detector(20) detects the beam reflected in the F-P filter(11). The optical detectors(31, 32) detect the beam, which is transmitted the F-P filter(11). Because the incident angle to the first and second Photo Detectors(PD)(21, 22) is different, the strength of the optical detection is compared.
Patent KR-20010076654-A (KR)
Title: High Functional Light Emitting Polymers Containing Tetra-substituted Phenylene unit for Use in Electroluminescent Devices
Inventor: KI IN SEO
IPC: C09K11/06
Filed: 2000-01-27
Abstract: PURPOSE: Provided is a high functional electroluminescent polymer containing a phenylene vinylene group as a main chain with four substituents having large sterical hindrance, which can emit high pure green color and is excellent in color tuning. CONSTITUTION: The high functional electroluminescent polymer represented by the formula 1 contains a poly(p-phenylene vinylene)(PPV) as a main chain with four substituents containing at least one long chain aliphatic alkyl or alkoxy. And the high functional electroluminescent polymer represented by the polymer of formula 2 is produced by copolymerizing monomers of the electroluminescent polymer represented by the formula 1 and monomers of OC1C10-PPV. In the formula, R1, R2, and R3 are independently C1-C20 long chain or branched alkyl, R4 is C1-C20 long chain alkyl, branched alkyl, or C1-C20 long chain or branched alkoxy, x is 0.1-0.9, and y is 0.9-0.1.
Patent KR-20000076541-A (KR)
IPC: H01L27/00
Filed: 2000-01-27
Abstract: 직렬로 입력된 디지털 데이터를 병렬 디지털 데이터로 변환하여 병렬 데이터를 출력하는 디지털 데이터용 직병렬 변환(SPC) 회로로서, 최고로 입력 디지털 데이터의 주파수의 1/2이 되는 주파수의 클럭 신호가 SPC 회로를 작동시키는 데 사용되고, 이에 의해 SPC 회로는 전력 소비, 안정성 및 신뢰성이 향상된다.
Patent KR-20010077205-A (KR)
Title: Plant extract compositions comprising ecdysteroids and iridoids and the use thereof
Inventor: KWON SEONG RYONG
IPC: A61P1/14
Filed: 2000-02-01
Abstract: PURPOSE: Plant extract composition containing ecdysteroids and iridoids and its use are provided. Specifically extracts of Ajuga turestanica, Auga decumbens, Phaponica cartammoides and Selena primicta and their compositions in which ecdysteroids and iridoids are contained in 1:3-1:10 wt. ratio are used in medicine, cosmetics, food and drinks. These extracts promote the production of mother's milk, protein and resistance against stress and have tonic effect. They also have excellent moisturizing and skin improving effect by enhancing top skin cell division. CONSTITUTION: In a conventional method of extraction, 62% of ecdysteroids and all the iridoids are lost during the various steps of extraction. This invention uses 80-90% alcohol to extract the component from the powder of the plant; concentrates by heating under 60 deg.C under vacuum and eliminates alcohol and dilutes with water; removes the oil soluble compositions from this water solution by extracting with chloroform or benzene; adds alcohol to dilute this solution to make 20-60% alcoholic solution and filters through ultra-membrane with 10,000 dalton pore size for final use. This way the extraction process is simplified and economical. 0.001-10wt.% of the extract is used in the product composition.
Patent KR-20010077318-A (KR)
Title: Method for constructing the evergreen tree structures for compensating the green zones to be developed
Inventor: LEE SANG EUL
IPC: A01G1/00
Filed: 2000-02-01
Abstract: PURPOSE: The method use various radiant and waste light, energy and water to add construction and facilities to existent buildings to increase the green and water environment for the living things. CONSTITUTION: The method constructs, in addition to the ordinary construction, green houses, equipment for cleaner air supply, ever green plantings to use waste materials including comports and waste spaces for water trapping facilities and for raising plants for green and flowers with enclosure and garden beds. Besides, greens on the idling land or space improves living environment with utilities including play gardens, waste treatment and product sites.
Patent KR-20010081458-A (KR)
Title: System and method for receiving a radio broadcast based on internet
Inventor: JO DEA SUNG
IPC: H04H60/84
Filed: 2000-02-14
Abstract: PURPOSE: A method and apparatus for receiving Internet radio broadcasts is provided to receive audio signals after automatically accessing an associated radio broadcasting station server according to the input of a specific key. CONSTITUTION: An apparatus for receiving Internet radio broadcasts is composed of an Internet access unit(10), a key input unit(20), a storage unit(30), an audio processing unit(40), and a control unit(50). The Internet access unit(10) accesses Internet and maintains the connection state. The key input unit(20) is provided with a plurality of keys. The storage unit(30) stores the addresses of radio broadcasting station servers(200(1)-200(4)) allocated to the keys of the key input unit(20). The audio processing unit(40) converts audio signals into audible signals. The control unit(50) accesses the address of a radio broadcasting station server(200) from the storage unit(30) and controls navigation to the radio broadcasting station server(200) through the Internet access unit(10). Also the control unit(50) downloads audio signals through the Internet access unit(10) and transmits them to the audio processing unit(40).
Patent KR-20000024629-A (KR)
Inventor: JEONG HYEONG GEUN
IPC: A61M5/14
Filed: 2000-02-24
Abstract: PURPOSE: A movable hanger for ringer solution without other's help when you need to move in the hospital is provided. CONSTITUTION: A hanger to hang ringer solution is connected by bolt on the conventionally used helmet in a factory.
Patent KR-20010084371-A (KR)
Title: Automatic switching control system for operating fuel injection
Inventor: KO GI BEOM
IPC: F02M37/00
Filed: 2000-02-25
Abstract: PURPOSE: An automatic fuel change control device is provided to improve startability when fuel supply is automatically converted and to obtain economical effect by compacting structure. CONSTITUTION: An automatic fuel change control device includes: an ECU(Electronic Control Unit)(200) controlling the flow of the operating oil; a switching-over valve(201) for the selection of a gasoline mode and an automatic mode; a water temperature switch(202) turned on and off depending on the temperature of the cooling water; a CPU(Central Processing Unit)(203) outputting a control signal by receiving the input data of the water temperature switch; a first relay(206) turned on and off by the control signal of the CPU; a gasoline pump(208) selectively operated by the on/off signals of the first relay with an injector protecting device(209); a second relay(207) operated by the control signal of the CPU; an LPG(Liquefied Petroleum Gas) solenoid valve(210) selectively operated by the on/off operation of the second relay; and a display unit(205) indicating the flow rate of fuel. The use of fuel is automatically changed when converting to the automatic mode from the gasoline mode. Therefore, startability is improved while convenience is realized. By reducing the number of valves, economical effect is obtained.
Patent KR-20010091229-A (KR)
Title: A method for advertising through communication network using game
Inventor: JUNG IL HO
IPC: G06Q30/02
Filed: 2000-03-14
Abstract: PURPOSE: A method for putting an advertisement using a game on a communication system is provided to arouse interest of a user and improve perception of an advertisement by allowing the user to play a game related to an advertisement picture and giving incentives according to results through the game. CONSTITUTION: A matrix is generated on a display screen of a communication system. Positions of advertisement images which are to be inserted into the matrix are combined in a random manner. The advertisement images are inserted into the matrix according to the combined positions. The advertisement images inserted into the matrix are shown to a user for a predetermined period of time. The advertisement images are reversely displayed after the lapse of the predetermined period of time. The user clicks the reversely displayed advertisement images by using a mouse input device. When a pair of consecutively identical advertisement images is clicked, a game is continued. If the pair of consecutive identical advertisement images is not clicked, the game is ended after treating it as a failure. After the user completes the game, the game is continuously proceeded with by using an advertisement matrix into which other advertisement image is inserted. Once the game is ended, the user's ranking and marks are displayed according to his/her results.
Patent KR-20010093599-A (KR)
Title: System for broadcasting using wireless communication terminal and the same method
Inventor: HAM SEUNG CHEOL
IPC: H04W88/18
Filed: 2000-03-29
Abstract: PURPOSE: A private broadcasting system using a wireless communication terminal and a method thereof are provided to perform a bidirectional communication by transmitting previously classified or designated special feeling or sensation to users having the same special feeling or sensation at real time and replying user's own feeling with respect to the transmitted feeling or sensation. CONSTITUTION: A wireless communication terminal is driven for being connected with a repeating server through a network. Data or information regarding personal feeling is inputted in the wireless communication terminal for transmitting the inputted data or information to the repeating server, and the repeating server transmits a message of a transmitter having the feeling to a terminal and judges whether the user for receiving the feeling message replies to the feeling message. If the user replies to the feeling message, the data or information regarding the personal feeling is inputted in the wireless communication terminal for transmitting the data or information to the repeating server connected with a broadcasting system or storing the data or information in the wireless communication terminal.
Patent KR-20010006929-A (KR)
Inventor: OKADA TAKAHIRO
IPC: H01P1/213
Filed: 2000-03-30
Abstract: PURPOSE: Disclosed is a dielectric filter where deterioration in Qo (no load Q) due to deformation of the outer shape of a dielectric block and an inner diameter change of an inner conductor are avoided, the Qo of a resonator is optimized and the coupling adjustment is facilitated, and to provide a dielectric duplexer and a communication unit using them. CONSTITUTION: The inside of the dielectric block(1) is provided with inner conductor forming holes(2a),(2b), the inner face of which inner conductors(3a),(3b) are respectively formed, an outer conductor is formed on an outer face of the dielectric block(1), a step difference is made at a prescribed position of a center axis of the inner conductor forming holes(2a),(2b), while keeping an inner diameter d of the inner conductors(2a),(2b) constant so as to have a difference between an open face side inter-resonator pitch po and a short-circuit face side inter- resonator pitch.
Patent KR-20000071593-A (KR)
Title: 습윤 지시제를 포함하는 술폰화 폴리에스테르를 기초로 한핫멜트 접착제
IPC: A61F13/15
Filed: 2000-04-07
Abstract: 본 발명은 습윤 지시성 핫멜트 접착제 조성물에 관한 것으로서, pH 조절제 및 pH 변화에 대응하여 변색되는 지시제를 포함하는데, 상기 접착제 조성물은 술폰화 폴리에스테르 20 내지 80 중량%, 산성 가소제 3 내지 30 중량% 및 지시제 0.05 내지 3 중량%를 포함한다.
Patent KR-20010094873-A (KR)
Title: Apparatus and method for compensation image in 1bit-gray of laser printer
Inventor: KWON SUN DON
IPC: G06F3/12
Filed: 2000-04-07
Abstract: PURPOSE: An apparatus and method are provided to correct a size of a pixel in order to increase definition of the pixel when outputting one bit gray. CONSTITUTION: The first memory(12) stores halftone image data. The second memory(14) stores a look-up table which has current pixels having no influence on sizes of adjacent pixels. A controller(10) reads the half tone image data stored in the first memory(12) and calculates a size of a current pixel and sizes of pixels adjacent to the current pixel. The controller(10) searches and resets a size of the current pixel having the calculated sizes of the adjacent pixels from the look-up table. The third memory(16) stores a look-up table which has sizes of a current pixel according to sizes of adjacent pixels.
Patent KR-20000071637-A (KR)
IPC: C22C9/05
Filed: 2000-04-11
Abstract: 하기 화학식으로 표현되고 부수적으로 불가피한 원소를 포함하는 무-니켈 백동 합금. 
     화학식 
     Cu a Zn b Mn c Al d   
     화학식 
     Cu a Zn b Mn c Al d X e   
     상기식에서, 
     X는 Si, Ti 및 Cr로 이루어진 그룹 중에서 선택된 적어도 1 종의 원소이고, 
     b, c, d 및 e는 중량%로, 0.5≤b＜5, 7≤c≤17, 0.5≤d≤4 및 0＜e≤0.3이며, 
     a는 나머지이다. 
     합금은 니켈에 의해 초래될 수 있는 앨러지 문제가 없으며, 슬라이드 파스너용 요소, 슬라이더, 스토퍼 등, 또는 의복용 금속 버튼, 파스너 등의 액세서리에 사용하기 적합한 우수한 강도, 경도, 연성, 가공성 및 내식성을 지닌다.
Patent KR-20000037240-A (KR)
Inventor: LEE SANG GON
IPC: H04L9/32
Filed: 2000-04-14
Abstract: PURPOSE: A method for generating an electronic signature vale of a real-time transaction server and a method for detecting forgery and alteration of signature are provided to perform a safe management for transaction by preventing the forgery and the alteration for information. CONSTITUTION: A method for generating an electronic signature vale of a real-time transaction server and a method for detecting forgery and alteration of signature comprise the following steps. A connection electronic signature and an accumulated electronic signature for a transmitted transaction are generated. The forgery and the alternation are detected by verifying the connection electronic signature through the stored transaction. The whole forgery and the alternation are detected by verifying the accumulated electronic signature.
Patent KR-20010096903-A (KR)
Title: 전자 상거래 서비스 방법 및 그를 위한 시스템
Inventor: JANG WON CHAN
Filed: 2000-04-18
Abstract: 본 발명은 통신 서비스에 있어서, 특히 인터넷과 같은 컴퓨터 통신망을 통해 소비자가 기업의 상품을 구매할 수 있도록 서비스 해주는 전자 상거래 서비스 방법 및 그를 위한 시스템에 관한 것으로, 사용자가 개인용 컴퓨터에 내장된 웹 브라우저를 통해 상품 구입에 관련된 특정 웹 사이트로 접속하는 단계와, 서버 시스템으로부터 상기 사용자의 사이트 등록 정보를 사용하여 제작된 가상의 사이버 모델과 거래 상품 정보가 제공되어 상기 컴퓨터에 디스플레이되는 단계와, 상기 거래 상품 정보에서 상기 사용자에 의해 선택된 하나 또는 그 이상의 상품 목록이 상기 서버 시스템에 제공되는 단계와, 상기 서버 시스템에서 사용자에 의해 선택된 상품들을 상기 제작된 가상 사이버 모델에게 적용시켜 그 모델 형태를 수정하는 단계와, 상기 수정된 사이버 모델을 상기 컴퓨터로 인터페이스 시켜 디스플레이시키는 단계로 이루어져 사용자가 반복적인 상기 단계들을 통해 원하는 상품을 선택하고 상기 서버 시스템으로 해당 상품 구입을 요청하는 전자 상거래 서비스 방법에 관한 것이며, 또한 그를 위한 시스템에 관한 것이다.
Patent KR-20010025151-A (KR)
Inventor: SHIN TAE JUNG
IPC: B23P17/00
Filed: 2000-04-26
Abstract: PURPOSE: A method for molding a core of a solenoid valve in a vehicle automatic transmission is provided to obtain a strong core maintaining rigidity by forging strength while not performing an additional heat treatment process. CONSTITUTION: A wound roll bar(101) is cut for a required length by calculating volume of a complete product. A cut surface of the bar is leveled through compressing by a punch. Left and right shapes of the bar are identified through compressing by the punch. The bar is annealed to weaken strength of the bar for easily performing a forging process. Scaled generated on a surface of the bar is removed. A lubricant is applied on the bar surface after coating zinc phosphate for easily performing forging by reducing a coefficient of skin friction. Then, the bar is molded into a core as a complete product.