baber/WOPTO huggingface dataset:
Patent KR-20040061524-A (KR)
Inventor: HAM CHEOL HO
IPC: H01L21/66
Filed: 2002-12-31
Abstract: PURPOSE: An apparatus for measuring the temperature of a test handler of a semiconductor device is provided to transfer the heat of a semiconductor device to be tested to a control unit of a heat generation compensating apparatus by making a temperature sensor directly contact the surface of the semiconductor device regardless of the kind of the semiconductor device and by precisely detecting the temperature of the semiconductor device. CONSTITUTION: A temperature detecting unit is installed in a through hole(36) of a push member(35) so that one end of the temperature detecting unit is exposed to the outside of the through hole of the push member. A control unit controls the injection of cooling fluid through a nozzle assembly according to a temperature value transferred from the temperature detecting unit, electrically connected to the temperature detecting unit.
Patent KR-20040062049-A (KR)
Title: Optical sheet and optimizing method for thereof
Inventor: KIM JANG RYANG
IPC: G02F1/1335
Filed: 2002-12-31
Abstract: PURPOSE: An optical sheet and a method of optimizing the optical sheet are provided to improve a viewing angle of an image display device. CONSTITUTION: A statistical specimen is extracted using transmissivity, haze and thickness data of various optical diffusion sheets and luminance data of the optical diffusion sheets. A regression model with respect to the extracted statistical specimen is accomplished. A regression factor minimizing an error with respect to the accomplished regression model is calculated and a regression expression is produced using the calculated regression factor. The transmissivity, haze and luminance of the optical diffusion sheets are predicted using the regression expression.
Patent KR-20030036124-A (KR)
IPC: G03F1/29
Filed: 2000-08-02
Abstract: 위상변이 제조방법은, 위상 변이 마스크 제조시 위산 변이 영역을 형성할 때 프로세스 얼라인먼트를 결정하는 방법, 위상 변이 마스크 제조시 위상 변이 영역을 형성할 때 포토레지스트 패턴 얼라인먼트를 결정하는 방법이다.
Patent KR-20020030095-A (KR)
IPC: G04G99/00
Filed: 2001-06-14
Abstract: 본 발명은 알람 시계 시스템(201)에 관한 것이다.  본 발명에 따른 시스템은 주위 변수를 측정하는 센서 수단(205)을 포함한다.  특히, 사용자의 인체 변수는 사용자가 있는 사용자의 수면 스테이지를 결정하도록 모니터된다.  자극신호의 음향 볼륨 또는 자극 신호의 발생 순간과 같은, 잠을 깨우는 자극신호의 특성들은 추측된 수면 스테이지에 따라서 조절된다.
Patent KR-20020054326-A (KR)
IPC: G21C3/14
Filed: 2000-09-20
Abstract: 복수의 상기 연료 도관 조립체, 각각의 상기 연료 도관 조립체 내로 그리고 그로부터 연료 다발들의 삽입 및 제거에 의해 온라인으로 연료를 재공급하도록 된 형태의 가압 연료도관형 냉수 핵 반응로에 대하여 임계 도관 파워(CCP) 향상 시스템이 제공된다.  정렬된 연료 요소들을 갖는 쌍들 내로 연료 다발들을 상호연결하기 위한 수단이 제공되고, 이에 의하여 연료 도관 내의 수압 저항을 감소시키고 CCP를 향상시킨다.  상호연결하기 위한 수단은, 다발들이 반응로 내에 체재하는 시간 동안 매우 높은 냉각제 질량 유속에 노출된 연료 다발들의 지속적인 요동 및 진동으로 인해서 그리고 연료 공급 작동시 서로에 대해 충격을 주는 다발들로 인해서 쌍을 이룬 다발들이 오정렬 되는 것을 방지한다.
Patent KR-20020082223-A (KR)
Title: 금 함유 촉매를 사용한 올레핀의 에폭시드화 방법
IPC: C07D303/04
Filed: 2001-01-25
Abstract: 본 발명은, 스칸듐, 이트륨, 란탄족원소, 지르코늄, 하프늄, 바나듐, 니오브, 탄탈, 크롬, 몰리브덴 및(또는) 텅스텐으로 이루어진 군에서 선택된 1종 이상의 원소를 함유하고 본질적으로 티탄을 함유하지 않는 지지체 물질 상에 금, 바람직하게는 나노미터 크기의 금을 포함하는 화합물을 촉매로서 사용하는 것을 특징으로 하는, 산소 분자와 수소를 사용한 올레핀의 에폭시드화 방법; 스칸듐, 이트륨, 란탄족원소, 지르코늄, 하프늄, 바나듐, 니오브, 탄탈, 크롬, 몰리브덴 및(또는) 텅스텐으로 이루어진 군에서 선택된 1종 이상의 원소를 함유하고 본질적으로 티탄을 함유하지 않는 지지체 물질 상에 금, 바람직하게는 나노미터 크기의 금을 포함하는 화합물; 이 화합물의 제조방법; 및 이 화합물의 존재하에서 화학반응을 수행함으로써 상기 화학반응을 촉진하는 방법에 관한 것이다.
Patent KR-20030011078-A (KR)
IPC: H02M3/155
Filed: 2001-03-16
Abstract: 본 발명은 에너지 소스로부터 부하 장치에 에너지를 전달하기 위해 선택적으로 결합된 출력 스테이지, 그 출력 스테이지에 결합된 제어기, 출력 스테이지, 그 출력 스테이지들에 결합된 용량성 소자, 정류 소자, 및 제어기로부터의 제어 신호에 응답하는 스위치를 포함하는, 에너지 소스를 부하 장치에 결합시키기 위한 전력 변환기에 관한 것이다. 정류 소자 및 스위치는 유도성 및 용량성 소자에 결합된다. 그 제어기는 제 1 상태에서 스위치를 개방시키기 위해서 그리고 제 2 상태에서 스위치를 폐쇄시키기 위해서 그 제어 신호를 생성하기 위한 입력 신호들에 응답한다. 제어기로의 입력 신호들은 출력 스테이지들 양단의 하나 또는 그 이상의 출력 전압들, 그 입력 단자들 양단의 입력 전압, 선택가능한 기준 전압 및 유도성 소자에 대해서 측정된 피드백 신호를 생성한다.
Patent KR-20030007503-A (KR)
IPC: H04L12/56
Filed: 2002-01-23
Abstract: 본 발명은 무선 통신 장치와 관련된 사용자 호스트와 네트워크를 통한 원격 사용자 호스트 사이에서 세션 개시 프로토콜 시그널링 메세지를 교환하기 위한 시스템 및 이를 위한 방법에 관한 것이다.  무선 통신 장치내에 위치한 멀티플렉서 모듈은 무선 통신 장치와 네트워크 사이에서 전송된 호 제어 데이터와 세션 개시 프로토콜 명령, 패킷 데이터 셋업 및 스테이터스를 멀티플렉스한다.  멀티플렉서내에 위치한 제어 모듈은 패킷 관련 제어 채널을 셋업되었는지 판정하여, 셋업되지 않은 패킷 관련 제어 채널에 응답하여 멀티플렉서 모듈은 패킷 관련 제어 채널에게 세션 개시 프로토콜 명령을 전송하도록 요구하는데 관련된 시그널링을 전송하기 위한 저속 전용 제어 채널을 사용한다.
Patent KR-20030001558-A (KR)
IPC: H04L12/56
Filed: 2001-05-23
Abstract: 무선 저전력 고주파 네트워크 및 제어 디바이스를 제어하기 위한 방법으로서, 상기 네트워크는 마스터 디바이스 및 그에 종속된 적어도 하나의 슬레이브 디바이스에 배열된 제어 디바이스를 포함한다.  마스터 디바이스는 슬레이브 디바이스에 대한 제어 데이터를 운반하고 슬레이브 디바이스로부터 검출 데이터를 수신하기 위해 배열된다.  데이터 전송 접속은 제 2 원격 통신 네트워크를 통해 마스터 디바이스 및 외부 터미널사이에서 형성되고, 마스터 디바이스에서 수신된 검출 데이터는 외부터미널로 향하는 데이터 전송 접속에서 사용된 데이터 전송 프로토콜에 의해 요구된 포맷으로 배열되며 그리고 적어도 하나의 슬레이브 디바이스를 제어하기 위한 외부 터미널로부터 마스터 디바이스로의 제어 데이터는 전송 접속에서 사용된 데이터 전송 프로토콜에 의해 요구된 포맷에서 운반된다.
Patent KR-20030019442-A (KR)
IPC: H01H61/01
Filed: 2001-06-19
Abstract: 본 발명은 2안정 스냅-동작 스프링으로 구성되며, 스프링의 캐리어 스트립(104) 상에서 접촉체(114, 116)를 수반하는 스프링(101)을 포함하며, 스프링 동작을 위하여 스위치 상태마다, 형상기억소재로 제조된 적어도 하나의 구동요소를 포함하는 2안정 전기스위치에 관한 것이다. 상기 스프링은 끝단(102)에서 강성적으로 고정되며, 선형 신장방향으로 압력을 받고 2 안정 최종상태 중 어느 한 상태로 일 측면이 벌징됨으로써 압력을 해소하는, 플레이트를 구비하고, 상기 안정 최종상태에서의 스프링 영역은 다른 측면 위치를 점유하고, 구성요소들(118, 119)은 플레이트의 자유단에 작용하여, 자유단(104)의 기울어짐의 결과로써 제 2 안정 최종상태로 스냅되게 한다.
Patent KR-20030024701-A (KR)
IPC: B41J2/07
Filed: 2000-06-30
Abstract: 본 발명에 따른 프린트 방법은, 장치고장 때문에 이미지의 어느부분이 프린트 되지 않을 것인가를 인식하고, 가능하다면, 프린트 오류의 시각적인 효과를 감소시켜 원래의 위치에 바르게 프린트하게 위하여 인접한 세로줄에 여분의 잉크돝을 프린트한다.
Patent KR-20040065475-A (KR)
Inventor: KIM JIN HONG
IPC: G11B7/26
Filed: 2003-01-14
Abstract: PURPOSE: A fabrication method of a dual recording layer optical disk is provided to form land/groove patterns or pit patterns on a spacer layer for separating the first recording portion from the second recording portion comprised of one disk, thereby easily performing a process and increasing a recording density. CONSTITUTION: A material layer for forming a spacer is deposited on the first recording layer(43) formed on a substrate(41) where a pre-pit of the first recording portion is formed. A surface processing layer having lubrication properties is formed on a surface of a stamper. The spacer is formed by patterning the pre-pit for the second recording portion by using the stamper, and the spacer is solidified. The solidified spacer is separated from the stamper by using the lubrication properties of the surface processing layer, and the second recording layer(47) and a protective layer(48) are formed on the spacer.
Patent KR-20040065088-A (KR)
Inventor: HWANG SU GYEONG
IPC: A01H4/00
Filed: 2003-01-15
Abstract: PURPOSE: A tissue culture method of Iris sp. is provided, thereby mass-producing Iris sp. within a short time, so that the method is useful for flowering industry. CONSTITUTION: The tissue culture method of Iris sp. comprises the steps of: placing and culturing tissue of Iris sp. on a culturing medium containing 3.0 mg/l of hyponex(20-20-20), 2.0 mg/l of peptone, 80.0 mg/l of adenyl sulfate, 1.0 mg/l of NAA, 1.0 mg/l of BA, 40,000 mg/l of sucrose and 8,000 mg/l of agar and having pH 5.6 to induce calluses of Iris sp.; and transplanting the calluses of Iris sp. on a growth medium containing the same constituents as the culturing medium and culturing them to regenerate shoots of Iris sp., wherein the regenerated shoots of Iris sp. are subcultured at intervals of 45 days.
Patent KR-20040067141-A (KR)
Title: System and method for delivery service
Inventor: KIM SUK YEONG
IPC: G06F13/00
Filed: 2003-01-21
Abstract: PURPOSE: A system and a method for a delivery service are provided to receive the delivered products by using a home gateway even if a person is not in the house, and offer convenience to a user by realizing the smooth delivery between a delivery company and the user. CONSTITUTION: A web service provider(310) is connected to an external communication network(200) and registers a password transmitted from a communication device(100) connected through the external communication network. A storage(320) stores the password. A data processing/certifying part(340) performs communication with a postbox(400) and transmits an opening signal of a lock to the postbox if the input number transmitted from the postbox is identical with the password registered to the storage. An e-mail transmitter(330) transmits an e-mail based on a response signal from the postbox to the communication device.
Patent KR-20030066441-A (KR)
Title: 전기모터용 구름 베어링
IPC: F16C19/52
Filed: 2003-02-04
Abstract: 본 발명은 베어링 장치에 관한 것으로, 베어링 장치(21)는 원통형 홈에 끼워지는 외측 링(24), 상기 링에 형성되는 베어링 트랙, 베어링 트랙과 접촉하여 배치되는 일련의 구름요소(26), 및 외측 링의 외부 원통형 면으로부터 형성되는 환형 목(33)에 장착되는 하나 이상의 팽창 보정 칼라(35)를 포함하고, 상기 칼라는 외측 링을 형성하는 재료보다 큰 팽창계수를 갖는 재료로 형성되고 50㎛ 이하의 외측 링의 외경과 20㎛ 이상의 외측 링의 외경 사이의 외경을 갖는 것을 특징으로 한다.
Patent KR-20040074407-A (KR)
Inventor: KIM HYEONG GYUN
IPC: B29C53/56
Filed: 2003-02-18
Abstract: PURPOSE: An extruding device and method for molding a curved double structure is provided to improve the quality of the curved double structure and lengthen the life span of the curved double structure. CONSTITUTION: An extruding device for molding a curved double structure is composed of a first softening unit(10) for heating and softening first synthetic resins, a second softening unit(11) for heating and softening second synthetic resins, a main mold(12) for molding the softened synthetic resins into a straight double structure(40), a sizing mold(20) for molding the straight double structure into the curved double structure(50), a cooling unit(30) for cooling the curved double structure, and a drawing unit(14) for drawing the curved double structure.
Patent KR-20040074531-A (KR)
Inventor: LEE BONG GEUN
IPC: C08K3/34
Filed: 2003-02-19
Abstract: PURPOSE: Provided are a styrene resin-clay nanocomposite having excellent mechanical property, which can be applied for technical apparatus, household article, sports equipage, bottle, container, electric/electronic parts, vehicle parts, and fiber, and so on, and a method for preparing the same. CONSTITUTION: The styrene resin-clay nanocomposite comprises an organized clay(1) and a styrene polymer, wherein the clay(1) is obtained by substituting cations having functional group capable of copolymerizing with monomers which are raw materials of the styrene resin, by cations between the clay layers. The method comprises the steps of (i) mixing the clay(1) with quaternary ammonium cations having functional group capable of copolymerizing with monomers which are raw materials of the styrene resin, and substituting metal cations in the clay(1) by the quaternary ammonium cations to obtain an organized clay(1), and (ii) polymerizing the organized clay(1) and the monomers which are raw materials of the styrene resin by direct polymerization.
Patent KR-20040074566-A (KR)
Inventor: JEONG MEE SEON
IPC: E03C1/05
Filed: 2003-02-19
Abstract: PURPOSE: A quantitative-cum-continuous faucet is provided to economize in water and to promote the convenience on use. CONSTITUTION: The quantitative-cum-continuous faucet(10) contains a faucet body(12) forming a passage, a valve installed around an outlet(15) of the faucet body(12) to open and close the passage, a one-touch switch button(14) operated together with the valve to operate the valve, and a quantitative-cum-continuous selective lever(18) fixing the opened valve to discharge water continuously or to close the opened valve after the appointed hours.
Patent KR-20040076403-A (KR)
Inventor: CHO JONG YEON
IPC: H05B3/14
Filed: 2003-02-25
Abstract: PURPOSE: A carbon fiber lamp heater is provided to prevent connection defects with a lead wire and allow a heat resistant holder to store heat. CONSTITUTION: A carbon fiber lamp heater comprises a rod type heat resistant holder(20) having a guide groove(25) for permitting a carbon member(10) to be uniformly wound on the outer surface of the heat resistant holder; a heat resistant terminal(22) having a winding portion(22-1) for winding and fixing the carbon member at an end of the heat resistant holder in such a manner that the winding portion is connected to an end of the carbon member, wherein the heat resistant terminal is connected to a lead wire(4); a heat resistant terminal(22-4) having a winding portion(22-2) for winding and fixing the carbon member in such a manner that the winding portion is connected to the other end of the carbon member, wherein the heat resistant terminal has a bent terminal(22-3) for changing direction by 180 degrees at the end of the winding portion(22-2) such that the heat resistant terminal(22-4) is connected to a lead wire(4-1); and an insulating tube(30) for covering the heat resistant terminal(22-4) such that the heat resistant terminal is insulated from the heat resistant holder.
Patent KR-20040079606-A (KR)
Inventor: JUN SANG HUN
IPC: A47L9/28
Filed: 2003-03-08
Abstract: PURPOSE: A radio control type vacuum cleaner is provided to enable a user to easily perform cleaning by using a wireless hose as a suction hose connected to a body and a handle. CONSTITUTION: In a vacuum cleaner including a body and a handle, an RF transmitting unit is installed at the handle. The RF transmitting unit includes an encoder(410) connected to a key input unit(310), a frequency mixer(430), and a transmitting antenna(450) for transmitting a signal amplified by the frequency mixer. An RF receiving unit is installed at the body, and includes a receiving IC for receiving a key signal through a receiving antenna, an inverter IC, a decoder, and a signal processing unit.
Patent KR-20040081970-A (KR)
Inventor: HUH U SEOK
IPC: F24H9/20
Filed: 2003-03-17
Abstract: PURPOSE: A hot-water supply control device for a boiler is provided to quickly and stably supply hot water, and to reduce the consumption of fuel. CONSTITUTION: A flow sensor(24) is installed at a water supply pipe(13), and detects the consumption of hot water. A water temperature sensor(23) is installed at the water supply pipe, and measures the temperature of water. A temperature sensor(25) is installed at a hot-water supply pipe(14), and measures the temperature of the hot-water supply pipe. A hot-water detecting sensor(26) is installed at the hot-water supply pipe, and detects the consumption of hot water demanded by a user. A hot-water supply control unit(24) is installed at the water supply pipe or the hot-water supply pipe, and controls the amount of hot water.
Patent KR-20040082815-A (KR)
Inventor: SON JONG MAN
IPC: H02B1/00
Filed: 2003-03-20
Abstract: PURPOSE: A voltage/current sensor is provided to improve an assembling characteristic by enhancing accuracy of a Rogowski coil and simplifying a support structure. CONSTITUTION: An epoxy housing(2) is installed on an upper part of a base plate(1). A bus bar(3) is installed at the epoxy housing in order to apply the first current and the high voltage. A resistor type voltage divider(110) is connected to one side of the bus bar in order to measure the voltage. A Rogowski coil(120) is installed at the other side of the bus bar in order to measure the current. An output characteristic correction unit(140) connects a variable resistor and a rated current regulation resistor to a predetermined terminal of one side of the Rogowski coil and correct the measurement accuracy by controlling a division ratio between the variable resistor and a rated current regulation resistor.
Patent KR-20040083647-A (KR)
Inventor: SONG JANG GEUN
IPC: G02F1/1335
Filed: 2003-03-24
Abstract: PURPOSE: A stabilized multi-domain LCD is provided to stabilize the multi-domain by forming pixels in bent strip shape by folding data lines to make lateral electric fields among the pixels in a direction for helping the forming of the domains, and fabricate a polarization plate at a low cost by disposing a light transmission axis of the plate in parallel to or perpendicular to gate lines. CONSTITUTION: A TFT substrate includes gate and data lines(121,171) formed in first and second directions on an insulating substrate. The data signal lines have bent portions and straight portions in the ratio of 1:1 to 9:1, wherein the bent portions are formed of two straight line parts intersecting the gate lines by angles of 45° and -45° respectively. Pixel electrodes(190) are formed per pixel defined by the gate and data lines. TFTs are connected to the second signal lines and the pixel electrodes.
Patent KR-20040083757-A (KR)
Inventor: CHOI YEONG CHEOL
IPC: C12N15/31
Filed: 2003-03-25
Abstract: PURPOSE: A target gene of anti-cancer drugs detected by using gene deleted mutant strain and a screening kit for anti-cancer drugs are provided, thereby easily detecting the target gene of anti-cancer drugs, and easily screening novel anti-cancer drugs using anti-cancer drug sensitive gene deleted heterozygote mutant strain. CONSTITUTION: The target gene of anti-cancer drugs is selected from genes consisting of GenBank #AL031324(Expasy #094244), GenBank #AL033127(Expasy #CAA21865), GenBank #AL109734(Expasy #CAA20136), GenBank #Z99753(Expasy #Q09191), GenBank #AL022299(Expasy #059679), GenBank #Z68198(Expasy #Q10101), GenBank #Z99164(Expasy #Q10279), GenBank #Z98559(Expasy #P40231), GenBank #AL163071, GenBank #Z68887(Expasy #Q10134), GenBank #AL031907(Expasy #074858) and GenBank #Z95395(Expasy #P05933) which are reactive to platinum anti-cancer drugs such as cisplatin or its derivatives. The screening kit for anti-cancer drugs comprises target gene deleted heterozygote mutant fission yeast. A method for screening anti-cancer drug candidates comprises the steps of: (1) culturing the mutant fission yeast in a medium containing anti-cancer drug candidates; and (2) comparing the growth of the mutant fission yeast with that of natural yeast and selecting the target gene deleted heterozygote mutant fission yeast showing reduced growth rate.
Patent KR-20040083929-A (KR)
Inventor: AHN JIN CHEOL
IPC: H01B3/44
Filed: 2003-03-25
Abstract: PURPOSE: Provided is an optical fiber cable having a buffer tube, which has excellent elastic restorability, is substantially free from decrease in reliability caused by the leakage of a plasticizer, shows excellent connectability and is produced economically. CONSTITUTION: The optical fiber cable has an optical fiber unit comprising at least one optical fiber core mounted in and protected by a buffer tube, wherein the buffer tube is formed of a polymer blend containing 90-99 wt% of a plasticized polyvinyl chloride and 1-10 wt% of chlorinated polyethylene. The buffer tube has a tensile strength of 0.5 to 1 kg/cm2.
Patent KR-20040085954-A (KR)
Title: Optical electronic integrated circuit
Inventor: YOON YEONG GWON
IPC: G02B6/12
Filed: 2003-04-02
Abstract: PURPOSE: An optical electronic integrated circuit is provided to easily perform the optical alignment with the optical detector by making the planar optical waveguide device have a predetermined slope at one end thereof. CONSTITUTION: An optical electronic integrated circuit includes a semiconductor substrate(210), an optical detector(220), a planar optical waveguide device(240) and a refractive index junction layer(230). The semiconductor substrate(210) supports each elements to form the optical electronic integrated circuit. The optical detector(220) is provided with an active layer and formed on the semiconductor substrate(210). The planar optical waveguide device(240) is formed on the semiconductor substrate(210) with inclining at a predetermined angle with respect to the active layer in such a way that the light outputted from the output terminal is impinged on the bottom surface of the active layer through the reception surface of the optical detector(220). And, the refractive index junction layer(230) is coated to covers the output terminal of the planar optical waveguide device and the reception surface of the optical detector(220) to improve optical coupling efficiency between the planar optical waveguide device and optical detector.
Patent KR-20030079776-A (KR)
Title: 반도체 장치 및 그 제조 방법
IPC: H01L21/76
Filed: 2003-04-03
Abstract: 반도체층 및 반도체층의 표면 상에 형성된 하나 또는 복수개의 반도체 소자를 구비하는 반도체 장치로서, 반도체층이 반도체 소자를 갖지 않는 영역에서 복수개의 조각으로 분할되고, 분할된 반도체층의 각각의 조각들이 각각의 조각의 측면에 절연층이 접착되어 조각들이 일체화되는 플렉시블 영역을 갖는 반도체 장치.
Patent KR-20040087048-A (KR)
Inventor: BAE JONG HONG
IPC: H03M1/12
Filed: 2003-04-04
Abstract: PURPOSE: A fine control type digital-analog converter and a fine control method using the same are provided to minimize an area of an ADC by determining upper bits of an SAR(Successive Approximation Register) according to one-hot-encoding method and determining lower bits of the SAR according to a level shift method. CONSTITUTION: A selective signal generator(100) is used for providing SEL signals of 2¬4 number in order to perform a decoding process for upper 4-bits signals of 6-bits signals of SAR by using one-hot-encoding method. A reference voltage generator(110) includes a plurality of resistors connected between a supply power source and a ground power source in order to generate a reference voltage. A first inverter(120) and a second inverter(130) are connected to an output terminal of the selective signal generator. Transmission gates(140) of 2¬4 number are used for receiving node voltages among each resistor and are turned on according to logic signals of the first and the second inverters.
Patent KR-20040089210-A (KR)
Inventor: LEE CHANG GYUN
IPC: B29C45/14
Filed: 2003-04-11
Abstract: PURPOSE: An in-mold forming method and a molded product thereby are provided to prevent the transformation of the molded product by forming a plurality of spaces in a thick protrusion. CONSTITUTION: In a product(20) molded by an in-mold forming method, a skin member(10) is attached to the molded product. A protrusion portion(21) is formed at a gate portion(22) of the molded product, and is thicker than the molded product. A plurality of spaces(23,24) are formed at the inside of the protrusion portion. The spaces are formed by the bubbling of supercritical fluid.
Patent KR-20030036514-A (KR)
Inventor: HAM SO YOUNG
IPC: B26D3/02
Filed: 2003-04-14
Abstract: PURPOSE: An angular cutting device for a bent frame is provided to improve the quality of a frame and productivity and to reduce the prime cost by minimizing the generation of a burr. CONSTITUTION: A cutting device(C) for a bent frame performs cutting by the operation of an operating unit(10) and a fixed unit(20) slanting to angularly cut a bent frame. Cutting angles(11a,21a) of upper and lower cutting blades(11,12) of a guide groove penetrating through the operating unit and the fixed unit have reserve angles(12,22) at one side of the cutting angles to secure the optimal shear force of the upper and lower portions of the cut points of a parallel frame.
Patent KR-20040091423-A (KR)
Inventor: EUN SEONG HWAN
IPC: B60T11/20
Filed: 2003-04-21
Abstract: PURPOSE: A master cylinder for a vehicle is provided to prevent the shape of a piston from being changed, to fix and hold a mounting field of a spring, and to assemble simply a single sleeve to the piston without caulking the piston by a jig. CONSTITUTION: A master cylinder(20) for a vehicle is composed of a cylinder(25) having compression chambers(21,21a,21b) therein; an oil tank(23) disposed at one end of the cylinder to supply fluid to the compression chambers; a piston(22) for pressurizing the movable fluid in the compression chambers; a through-hole formed in the piston to communicate the oil tank and the compression chambers; and a valve(30) for opening and closing the through-hole communicating the compression chamber and the oil tank. The valve comprises a plunger for moving longitudinally in the through-hole by pressure difference between both ends; a seal arranged at the plunger; a spring for supporting the plunger with elasticity; and a sleeve for fixing and holding one end of the spring. The sleeve is formed by integrating an inner sleeve inserted into the through-hole of the piston and an outer sleeve combining with the outer peripheral surface of the piston.