baber/WOPTO huggingface dataset:
Patent KR-20090003788-A (KR)
Title: Bit for bedrock excavation
Inventor: SONG JAE KYUNG
IPC: E21B10/26
Filed: 2007-07-03
Abstract: A bit for bedrock excavation is provided to have no concern for applying excessive load on a machine or damaging a shaft bearing at excavation work, and to extend the service life, thereby to offer convenience to an actual user and to maximize work efficiency. A bit for bedrock excavation is formed by forming a drum(60) on the bottom of a rotary shaft transferring external power, forming a shaft bearing(40) on the bottom of the drum and installing many crushing rollers, wherein a coupling bolt(50) is coupled perpendicularly to the shaft bearing by perforating a bolt hole(42) in a coupling surface(41) of the shaft bearing perpendicularly, the direction of the central line of the drum, and perforating a coupling hole(32) correspondingly to the bolt hole.
Patent KR-20080004406-A (KR)
Title: Flow sensor
Inventor: YAMASHITA YASUHIRO
IPC: G01F1/68
Filed: 2007-07-05
Abstract: A flow sensor is provided to avoid damage to the sensor arranged to face a flow path for detecting flow rate of a fluid flowing through the flow path. A flow sensor includes a main body(14) and a sensor(16). The main body has a flow path(12) formed by an upper wall(26) and a lower wall(28) at least. The sensor is disposed along the upper wall forming the flow path. The flow path includes a throttle surface(24a) and a first slope surface(24b) continuously formed at an upper side of the throttle surface. The first slope surface is disposed so that the flow path formed between the upper wall and the first slope surface is extended toward the upper side of the throttle surface. The first slope surface has an angle so that an extension line of the first slope surface passes an offset position toward the upper side of the throttle surface in comparison with a detecting part(16a) installed on a detecting surface(16b) of the sensor.
Patent KR-20090007866-A (KR)
Title: Epothilone producing strain transformed with heterologous propionyl-coa synthetase gene and method for preparing epothilone using the same
Inventor: SIM SANG JUN
IPC: C12N15/10
Filed: 2007-07-16
Abstract: An epothilone-producing strain transformed with the propionyl-CoA synthetase gene derived from the heterologous cell is provided to remarkably increase the ratio of epothilone B/epothilone A, thereby selectively mass producing the epothilone B. The recombinant epothilone-producing strain is produced by introducing the heterologous propionyl-CoA synthetase gene into the epothilone-producing strain which is Sorangium cellulosum. The epothilone is produced by culturing the recombinant epothilone-producing strain in the medium containing propionic acid as precursor.
Patent KR-20090011631-A (KR)
Title: Gas sensor and method for manufacturing the same
Inventor: PARK YOUNG GEUN
IPC: G01N27/00
Filed: 2007-07-27
Abstract: A gas sensor and a method of manufacturing the gas sensor are provided to use a carbon nanotube film as a gas sensing part to operate the gas sensor at a relatively low temperature, improve the sensitivity of the gas sensor and reduce the size of the gas sensor. A method of manufacturing a gas sensor includes a step of forming a first insulating film(220) on both sides of a silicon substrate(210), a step of forming a first metal film(240) having a predetermined pattern on the first insulating film, a step of forming a second insulating film(250) on the first metal film, a step of forming a second metal film(260) having a predetermined pattern on the second insulating film, a step of coating a carbon nanotube mixture solution including carbon nanotube, a conductive polymer and deionized water on the second metal film, and a step of heating the carbon nanotube mixture solution to form a carbon nanotube film(270).
Patent KR-20080011102-A (KR)
Title: Liquid acceptor
Inventor: ZHANG JUNHUA
IPC: B41J2/01
Filed: 2007-07-27
Abstract: A liquid acceptor is provided to improve detection precision of a liquid amount stored in the liquid acceptor by determining a liquid amount of the liquid acceptor using a single driving signal. A liquid acceptor includes a liquid reception unit and a detection unit. The detection unit includes a detector(12), an oscillating plate(14), a cavity forming plate(15), a connection channel forming plate(16), and a buffer portion(17). The connection channel forming plate is disposed on an upper surface of the buffer. The cavity forming plate is disposed on an upper surface of the connection channel forming plate. The oscillating plate is disposed on an upper surface of the cavity forming plate. The detector is disposed on an upper surface of the oscillating plate. The detector includes a cavity(151) in the cavity forming plate, a first connection channel(161), and a second connection channel(162) in the connection channel forming plate, a supply-side buffer room(171), a discharge-side buffer room(172), a buffer supply channel(173), a buffer discharge channel(174), an ink supply portion(175), and an ink discharge portion(176) as a space or channel of ink to flow.
Patent KR-20090018454-A (KR)
Title: Line beam generator and manufacturing process of the same
Inventor: YANG HAENG SEOK
IPC: G02B27/09
Filed: 2007-08-17
Abstract: A line beam generator using multiple reflections and a manufacturing method thereof are provided to reduce interference of a line beam by controlling distance between outputted beams. A line beam generator comprises a beam incident part(110), a multiple mirror part, and a beam output part(130). The beam incident part receives a beam of a first direction. The multiple mirror part is arranged into a first angle about the beam incident part, and has a plurality of mirrors. The mirror includes a reflection surface. The reflection surface reflects or transmits the beam into a top side and a bottom side. The beam output part radiates the beam into a second direction by the mirrors, and is a cross section having a second angle about the mirrors of the multiple mirror part.
Patent KR-20090025041-A (KR)
Title: Composition for photosensitive organic insulating layer
Inventor: MOON SUNG BAE
IPC: G03F7/022
Filed: 2007-09-05
Abstract: A photosensitive organic insulating layer composition is provided to ensure high residual film rate and excellent pattern formation, and to improve etching ability and light transmission, especially adhesion with the substrate. A photosensitive organic insulating layer composition comprises (a) alkali-soluble organic insulating film resin; (b) silicon additive containing an imidazole group in the end; (c) photosensitizer having a quinonediazide group; (d) solvent; further (e) silane coupling agent; and (f) thermal acid generator represented by the following chemical formula 2.
Patent KR-20080024986-A (KR)
Title: Step-up/step-down dc-dc converter
Inventor: SHIMIZU SHINYA
IPC: H02M3/155
Filed: 2007-09-11
Abstract: A step-up/step-down DC-DC converter is provided to perform an output near 0 volt by switching off an NMOS transistor and synchronously controlling a PMOS(P-channel Metal Oxide Semiconductor) transistor in case of step-up and switching on an NMOS(N-channel Metal Oxide Semiconductor) transistor at all times in case of step-down. A step-up/step-down DC-DC converter includes a step-up rectifying circuit and a driving unit. The step-up rectifying circuit is formed by connecting a PMOS transistor(M4) and an NMOS transistor(M5) in parallel. The driving unit switches off the NMOS transistor in case of step-up and switches on the NMOS in case of step-down. The driving unit has a first driving unit and a second driving unit. The first driving unit drives a gate voltage of the NMOS transistor in a high level below an input voltage in case of on-control of the step-up and the step-down and in low level below an output voltage in case of off-control of the step-up and the step-down. The second driving unit drives a gate voltage of the PMOS transistor in a low level in case of on-control of the step-up and the step-down and in a high level below an output voltage in case of off-control of the step-up.
Patent KR-20090020448-A (KR)
Title: System and method for estimating of batteries´s long term characteristics based on artificial neural network
Inventor: SONG HYUN KON
IPC: H01M10/48
Filed: 2007-09-13
Abstract: A system for predicting the long-term characteristics of a battery, and its predicting method are provided to predict the long-term characteristics of a battery by using an artificial neural network and the initial characteristics of a battery. A system for predicting the long-term characteristics of a battery comprises a study data Input part(10) where the initial characteristics study data and the long-term characteristics study data of the battery selected as a study target are inputted; a measured data Input part(20) where the initial characteristics measured data of the battery selected as the prediction target of long-term characteristics is inputted; an artificial neural network operation part(30) which converts the initial characteristics study data and the long-term characteristics study data into the first and second data structures, studies the artificial neural network to the initial characteristics study data and the long-term characteristics study data per the data structure, converts the initial characteristics measured data into the first and second data structures, and applying the artificial neural network corresponding to the data structures individually to calculate the long-term predicted data per the data structure and to output it; and a long-term characteristics prediction part(50) which calculates the error of the long-term predicted data per the data structure and determines the confidence of the predicted data according to the size of error.
Patent KR-20070103331-A (KR)
Title: Semiconductor device and method of manufacturing the same
Inventor: FUKADA SHINICHI
IPC: H01L21/3213
Filed: 2007-09-20
Abstract: A semiconductor apparatus and a method of manufacturing the semiconductor apparatus are provided to improve reliability of wiring connection and to improve performance of the semiconductor apparatus by reducing a contact resistance between wiring layers. A method for manufacturing a semiconductor apparatus includes the steps of: forming a second insulation film(37) on a first insulation film(36) wherein the second insulation film(37) has lower etching ratio than the first insulation film(36); forming a first resist film for forming a wiring groove pattern on the second insulation film(37); etching the second insulation film(37) when the first resist film exists and transferring the wiring groove pattern on the second insulation film(37); and forming an anti-reflection film(41) on the second insulation film(37) including the wiring groove pattern; forming a second resist film on the anti-reflection film(41); and emitting light to the second resist film to form a groove pattern. A contact resistance between wiring layers is reduced by obtaining a processing area of a contact hole.
Patent KR-20070111410-A (KR)
Title: El display device and manufacturing mathod thereof
Inventor: YAMAZAKI SHUNPEI
IPC: H05B44/00
Filed: 2007-09-20
Abstract: An EL(Electro-Luminescent) display device and a manufacturing method thereof are provided to improve image quality by scattering the light which is reflected from an EL layer using a cathode surface. An EL display device includes a single crystal semiconductor film, source and drain regions(13,14), a channel region, gate electrodes(19a,19b), an interlayer dielectric(21), and a light emitting layer. The single crystal semiconductor film contains a silicon provided on an insulation surface. The source and drain regions are provided on the single crystal semiconductor film. The channel region is provided between the source and drain regions and on the single crystal semiconductor film. The gate electrodes are provided on the channel region. A gate insulation film is formed between the gate electrodes. The interlayer dielectric is provided on the gate electrode. The light emitting layer is provided on the interlayer dielectric and electrically connected to one of the source and drain regions.
Patent KR-20090032486-A (KR)
Title: System and method for electric power demand analysis by pattern analysis
Inventor: YU IN HYEOB
IPC: G06Q50/06
Filed: 2007-09-28
Abstract: A Power demand information analysis system using a pattern analysis is provided to extracts the power demand of consumers and figure out the characteristics of the demand by using the gauge examination information obtained by a wattmeter. A power demand pattern analyzer(110) extracts the information related to a power demand of a consumer by using the gauge examination information obtained by a wattmeter and analyzes a power demand pattern by using a pattern analysis. A power-saving manager(120) manages a power saving operation according to the power demand pattern analyzed from the power demand pattern analyzer. An RDB(Relational Database)(130) stores and manages the information including the information power-saving target client, the gauge examination information, the demand pattern statistic information, the basic client information, the charge information of client, provides the power demand information necessary for pattern analysis, and stores the analyzed result analyzed at the power demand pattern analyzer.
Patent KR-20090040613-A (KR)
Title: Mobile terminal and method of displaying a screen therein
Inventor: KIM SANG WON
IPC: H04B1/40
Filed: 2007-10-22
Abstract: A mobile terminal and a method of displaying a screen therein are provided to controls a screen on which an image is displayed by considering the size of the displayed region. A camera(121) photographs an image, and a wireless communication unit(110) performs a data communication operation. When performing an image communication, a display unit(151) displays a main screen which displays the first other party and at least sub-screen which displays an image of the second other party in the main screen. A controller(180) controls the sub-screen to be displayed on the main screen.
Patent KR-20090043051-A (KR)
Inventor: HEU BYUNG UK
IPC: F16L23/02
Filed: 2007-10-29
Abstract: 본 발명은 주철관 등의 관을 연결할 때 사용하는 관 연결 소켓에 관한 것으로, 관 연결구조를 간단하게 하여 부품 수를 줄임과 동시에 연결작업을 신속하게 할 수 있도록 하기 위하여, 수용실이 형성되고 수용실 내부에 밀폐경사면과 조임 경사면이 형성되며 수용실의 상부에 가압수단이 형성되어 있는 소켓 본체와; 상기 밀폐경사면에 배치되는 밀폐링과; 상기 조임 경사면에 배치되는 조임링;으로 이루어지는 특징이 있다. 
       
     관 연결, 소켓, 압륜, 관
Patent KR-20090043756-A (KR)
Inventor: SEO JONG SOO
IPC: H04L27/38
Filed: 2007-10-30
Abstract: 본 발명은 직교주파수 다중분할(OFDM) 전송 방식을 사용하는 시스템의 수신단에서 고속 푸리에 변환(FFT) 처리를 위한 정보를 검출하는 수신 신호 정보 검출 장치 및 수신 신호 정보 검출 방법에 관한 것이다. 보다 상세하게는 수신 신호의 FFT 모드와, 수신 보호구간 길이를 결정하고, 프레임 동기, 소수배 주파수 오프셋, 미세 프레임 동기 및 샘플링 주파수 오프셋을 검출함으로써 FFT 전단의 초기 정보를 획득하고 시스템의 복잡도와 연산량을 줄일 수 있는 수신 신호 정보 검출 장치 및 수신 신호 정보 검출 방법에 관한 것이다. 
       
     OFDM, FFT 모드, 보호구간, 프레임 동기, 소수배 주파수 오프셋, 샘플링 주파수 오프셋
Patent KR-20090044005-A (KR)
Inventor: KIM HEE DONG
IPC: G03B3/00
Filed: 2007-10-30
Abstract: 본 발명은 사전에 설정된 조립 조건 테이블에 따라 복수의 렌즈 샘플을 제작하여 광학적 성능이 우수한 렌즈를 선택한 후 해당하는 렌즈의 조립 조건에 따라 렌즈를 생산하는 자동 렌즈 조립 장치 및 방법에 관한 것이다. 
     본 발명은 광학적 특성이 다른 복수의 렌즈를 갖는 렌즈 트레이와 종류가 다른 복수의 광학 기구물을 갖는 광기구물 트레이의 각 렌즈 및 광학 기구물을 조립하는 렌즈 조립 장치에 있어서, 상기 렌즈 및 광학 기구물의 종류에 따라 각각 다른 조립 조건을 갖는 렌즈 조립 조건 테이블을 설정하고, 상기 렌즈 조립 조건 테이블의 조립 조건에 따라 상기 렌즈 및 광학 기구물의 조립을 제어하는 제어부와, 상기 제어부의 제어에 따라 상기 조립 조건별로 상기 렌즈 및 상기 광학 기구물을 렌즈 조립 트레이에 조립하는 조립부와, 상기 조립부로부터의 상기 렌즈 및 상기 광학 기구물이 조립된 렌즈 조립체의 광학적 특성을 측정하는 측정부를 포함한다. 
       
     렌즈(Lens), 조립 조건(Assembly Condition), 조립 조건 테이블(Assembly Condition Table)
Patent KR-20090044805-A (KR)
Inventor: KIM YEON HO
IPC: B60K17/16
Filed: 2007-11-01
Abstract: 본 발명은 하이브리드 자동차용 동력전달장치에 관한 것으로서, 하이브리드 전기 자동차용 배터리와 인버터를 통해 연결되는 발전기 겸용 구동모터와, 상기 구동모터의 동력이 선기어로 입력되어 캐리어로 출력되도록 하며 회전력을 최종적으로 감속하는 감속장치와, 상기 구동모터로부터의 구동력을 구동축을 통해 선택적으로 전달받는 차동장치와, 상기 감속장치와 차동장치 사이에 개재되는 클러치 형상의 차동제한장치로 구성되어 단일개의 구동축에 장착됨으로써, 종래 기술 대비, 간단한 구조로서 전체 무게를 감소시킴과 동시에 기계적인 효율 및 공간적인 효율을 향상시킬 수 있는 하이브리드 자동차용 동력전달장치에 관한 것이다.  
       
     하이브리드 자동차, 차동 감속장치, 구동축, 구동모터, 감속장치, 차동장치, 차동제한장치
Patent KR-20090050180-A (KR)
Inventor: AHN SANG YEOUL
IPC: H01M8/04
Filed: 2007-11-15
Abstract: 본 발명은 연료전지 스택의 체결압 자동유지장치 및 방법에 관한 것으로, 다수의 단위 전지와 및 이를 체결하기 위한 엔드 플레이트로 구성된 연료전지 스택에 있어서, 상기 연료전지 스택에 설치되어 상기 연료전지 스택의 운전 중 체결토크 또는 체결압 중 적어도 어느 하나를 감지하는 센서부; 상기 센서부의 신호를 수신하고 최적 체결토크 또는 체결압을 연산하여 제어 신호를 송신하는 제어부; 및 상기 제어부에 의해 제어되어 최적 체결토크 또는 체결압으로 상기 연료전지 스택을 체결하는 스택 체결장치를 포함하는 것을 특징으로 한다. 
       
     연료전지 스택, 스택 체결압, 체결토크, 스택 체결장치
Patent KR-20090050798-A (KR)
Inventor: KWON HYUK SUB
IPC: H04N7/18
Filed: 2007-11-16
Abstract: 본 발명은 감시 카메라 및 상기 감시 카메라에서 카메라 모듈을 감시 카메라의 베이스에 지지하기 위해 사용되는 카메라 모듈 지지체에 관한 것이다. 
     본 발명에 따른 감시 카메라의 카메라 모듈 지지체는, 카메라 모듈이 안쪽에 장착되고, 양측 외면에는 보스가 돌출된 제1 홀더; 감시 카메라의 베이스에 장착되는 몸체, 상기 몸체에서 연장되어 상기 제1 홀더의 양측 외면을 감싸는 연장부, 및 상기 보스를 헐겁게 수용하도록 상기 연장부에 형성된 홀이 구비된 제2 홀더; 및 상기 연장부의 외측에, 상기 연장부의 외면과의 접촉 마찰력에 의해 지지가 되도록, 배치되며, 상기 보스에 고정되어 상기 제1 홀더와 연동하는 노브를 포함하여 이루어진 노브를 포함하여 이루어진다. 
     그리고, 본 발명에 따른 감시 카메라는, 상기한 카메라 모듈 지지체; 및 상기 베이스 위에 장착되어 상기 카메라 모듈 지지체를 복개하는 윈도우를 포함하여 이루어진다. 
       
     감시 카메라, 카메라 모듈, 지지체, 홀더, 촬영 각도
Patent KR-20090051459-A (KR)
Inventor: HAN SEUNG WOO
IPC: G06Q50/08
Filed: 2007-11-19
Abstract: 본 발명은 통계기반 실시간 건설 생산성 분석장치 및 분석방법에 관한 것으로서, 건설공사의 각 공정별로 설정된 목표 생산량에 따른 기준 순환시간과, 실제 순환시간을 객관적으로 비교 및 분석가능한 통계기반 실시간 건설 생산성 분석장치 및 분석방법을 제공하기 위한 것이다. 
     그 기술적 구성은 상기한 바와 같은 목적을 달성하기 위하여 본 발명은 건설공사의 각 장비의 구동 시각 및 위치를 기반으로, 상기 각 장비가 수행하는 각 공정별 순환시간을 실시간으로 제공하도록 구비되는 순환시간 제공장치; 상기 순환시간 제공장치로부터 실시간으로 출력된 각 공정별 순환시간을 입력받고, 각 공정에서 기 설정된 생산성에 따라 최적화된 기준 순환시간과 비교하여 유의확률(P-value)을 산출하며, 각 공정별로 설정된 신뢰도인 유의수준과 상기 유의확률을 비교하여 상기 순환시간 및 상기 기준 순환시간 간의 유사한 정도를 출력하는 중앙관리장치; 상기 중앙관리장치에서 출력된 상기 순환시간 및 상기 기준 순환시간의 유사도가 낮은 경우, 각 공정에서 발생된 지연 요인을 제거하도록 사용자에게 출력하는 결과데이터 출력장치; 를 포함하는 것을 특징으로 한다. 
     
     통계, 유의수준, 유의확률, 오차허용범위, 신뢰도, 건설, 순환시간
Patent KR-20090053224-A (KR)
Inventor: RYU GOO YOUNG
IPC: F25B41/06
Filed: 2007-11-22
Abstract: 본 발명은 터보 냉동기의 냉매유량을 조절하는 교축장치에 관한 것으로써, 증발기와 응축기 중간에 설치하여 응축기에서 응축된 고압의 냉매액을 이 장치를 통해 저압의 냉매액으로 변환시키는 교축장치에 있어서, 동일 프레임의 열교환기에서 최고 부하가 상이한 경우에 교축효율이 떨어지는 문제를 해결하기 위해, 가변형 교축장치를 적용함으로써 냉동부하에 따라 상응하는 최적의 냉매 순환량을 증발기에 공급하도록 하였다. 
       
     터보냉동기용 교축장치
Patent KR-20090053487-A (KR)
Inventor: CHO JUNG MIN
IPC: H04L12/56
Filed: 2007-11-23
Abstract: 본 발명의 일 측면에 따른 실시간 응답성이 요구되는 코드를 위한 요구 페이징 방법은, 실시간 응답성이 요구되는 코드를 페이징 버퍼의 크기에 맞게 분할 압축하여 물리적 저장 매체에 저장하는 단계와 실시간 응답성이 요구되는 코드에 대한 요구 페이징이 요청되면, 상기 코드를 물리적 저장 매체에서 페이징 버퍼로 페이징하는 램 페이징 대상으로 분류하는 단계 및 램 페이징 대상으로 분류된 상기 실시간 응답성이 요구되는 코드를 페이징 버퍼로 불러오는 단계를 포함한다.
Patent KR-20090055439-A (KR)
Title: Preparation method of organic-inorganic shape memory polyurethane nanocomposite
Inventor: KIM BYUNG KYU
IPC: C08G18/00
Filed: 2007-11-28
Abstract: A preparation method of organic-inorganic shape memory polyurethane nanocomposite is provided to improve thermal stability and mechanical property, and excellent shape memory capacity and restoration power. A preparation method of organic-inorganic shape memory polyurethane nanocomposite comprises the steps of: preparing a prepolymer by reacting polyol, aliphatic diisocyanate and dibutyltin dilaurate in a weight ratio of 1 : 1-1.1 : 0.01-0.3; manufacturing a prepolymer II by reacting the manufactured prepolymer I 100.0 parts by weight and hydroxyl epoxy compound 5 .00 ~6.00 parts by weight; manufacturing a polyurethane resin by mixing the prepolymer II 100.0 parts by weight, a silane coupling agent 6.00~8.00 parts by weight having amine groups at end thereof; and manufacturing an organic/inorganic polyurethane nanocomposite by performing sol-gel reaction of the polyurethane resin 100.0 parts by weight and inorganic particles 1~5 parts by weight having a particle size of 10~10^3 nm at 50~80 °C under pH 8~14.
Patent KR-20090056027-A (KR)
Title: Battery pack employed with top cap mounting ptc device thereon
Inventor: PARK YOUNG SUN
IPC: H01M2/10
Filed: 2007-11-29
Abstract: A battery pack is provided to maximally utilize an upper space of a pack by mounting a PCT device on a depressed receiving portion and to efficiently improve the safety of battery while raising volume density. A battery pack comprises a battery cell where an electrode assembly(110) of a positive electrode/separation film/negative electrode structure is accommodated with electrolyte inside the metal can(130); and a protection circuit module(150) electrically connected to the battery cell. A depressed acceptance section(200) is formed in a top cap(120) combined in the top opening of the metal can. A PTC element(400) is mounted on the depressed acceptance section.
Patent KR-20080063069-A (KR)
Title: Presser foot of sewing machine
Inventor: TORU SEIRIKI
IPC: D05B35/02
Filed: 2007-12-03
Abstract: A presser foot of a sewing machine is provided to overlap the ends of two sheets of cloths and to perform a sewing work about the overlapped portion. A subsidiary presser(9) is installed at the lower portion of a presser body(11). The subsidiary presser includes a support box(90) and pressurizes downwardly by a coil spring installed at the inside of the support box. The support box is passed through a mounting hole installed at a support member(11a). A fixing mes and a movable mes are installed at the presser feet. A mounting hole of the presser foot for supporting the movable mes is extended forwardly. A support groove(60) is installed at the extension portion. A subsidiary guide member(6) is installed into the support groove and has a curved shape like an arrow shape. A rectangular shape fixing block(61) is protruded to the opposite side of the curved surface and inserted into the support groove.
Patent KR-20090058280-A (KR)
Title: A composition of plasticizer for room temperature vulcanizing silicon sealant
Inventor: CHOI JEONG EOP
IPC: C09D5/34
Filed: 2007-12-04
Abstract: A silicon sealant plasticizer composition is provided to replace expensive silicon oil with hydrocarbon oil and to improve compatibility with polyorganosiloxane while appropriately maintaining the used amount of hydrocarbon oil with high boiling point. A room temperature-curable silicon sealant plasticizer composition comprises hydrocarbon oil 80~94 wt% which has a boiling point of 290~400 °C and viscosity at 40 °C of 5~10 cSt; polyoxyethylene lauryl ether 4~12 wt% which has 3-4 moles of oxyethylene groups; polyethylene glycol monobutyl ether 2~8 wt% which has 4-5 moles of oxyethylene groups. The content of aromatics of the hydrocarbon oil is not greater than 1 wt%.
Patent KR-20090059773-A (KR)
Title: A water-stream injecting apparatus for river pool
Inventor: LEE DON GOO
IPC: E04H4/12
Filed: 2007-12-07
Abstract: A water-stream injection device for running water pool is provided to improve water-stream production efficiency and control the flow rate of the water flowing along the waterway. A water-stream injection device for running water pool comprises a plurality of water-stream generation members are arranged at fixed intervals in a first mounting section which is adjacent to a wall of a waterway(100) of a running water pool to inhale the water on the waterway and inject the inhaled water immediately, and a plurality of motors which are arranged in a second mounting section of a groove wall and connected to a barrier wall, corresponding to the respective water-stream generation members to apply torque to them.