baber/WOPTO huggingface dataset:
Patent KR-20120090428-A (KR)
Title: Construction interior material using ramie stem
Inventor: LEE SANG HAN
IPC: E04C2/02
Filed: 2011-02-08
Abstract: PURPOSE: An environmentally-friendly interior material using ramie stems is provided to prevent volatile organic compounds and formaldehyde which cause sick building syndrome. CONSTITUTION: An environmentally-friendly interior material using ramie stems is formed by successively loading a print layer(200), a glass fabric layer(300), and a surface treatment layer(400) on a base layer(100). The base layer is composed of a ramie stem board, a fiber board, and a single board. The print layer has a decorative effect. The glass fiber layer has heat resistance. The surface treatment layer improves durability, abrasion resistance, and scratch resistance of the interior material.
Patent KR-20120091763-A (KR)
Title: Non-power automatic opening and closing device for toilet seat
Inventor: SONG DAE SEOK
IPC: A47K13/10
Filed: 2011-02-10
Abstract: PURPOSE: A non-power automatic opening and closing apparatus for toilet seats is provided to cost effectively implement operations without power and to hygienically open and close toilet seats. CONSTITUTION: A non-power automatic opening and closing apparatus for toilet seats includes a rotating part(100), a manipulating part(200), and a connecting part(300). The rotating part is arranged at a hinge part, which is rotatably installed at the body of the toilet seat, and identically rotates with a toilet seat. The rotating part is composed of a rotary rod and a driven gear. The manipulating part is arranged at the upper side of the rotating part and is rotated by a user. The connecting part transfers the torque of the manipulating part to the rotating part.
Patent KR-20110097631-A (KR)
Inventor: LEE EUN JONG
IPC: H04J11/00
Filed: 2011-02-10
Abstract: 본 명세서는 멀티 캐리어 시스템에서, 캐리어의 하향링크에 대한 피드백 정보를 기지국으로 전송하기 위한 단말의 동작 방법에 있어서, 상향링크 피드백 채널 정보를 포함하는 제 1 메시지를 세컨더리 캐리어(secondary carrier)를 통해 상기 기지국으로부터 수신하는 단계; 및 상기 세컨더리 캐리어가 하향링크만 활성화된 캐리어인 경우, 상기 세컨더리 캐리어에 대한 상향링크 피드백 정보를 프라이머리 캐리어(primary carrier)의 할당된 상향링크 피드백 채널을 통해 상기 기지국으로 전송하는 단계를 포함하여 이루어진다.
Patent KR-20120091954-A (KR)
Title: Filtering device and the vacuum cleaner having it
Inventor: KIM JAE HONG
IPC: A47L9/16
Filed: 2011-02-10
Abstract: PURPOSE: A filtering member and a vacuum cleaner including the same are provided to increase filtering efficiency for fine dust by expanding filtering area. CONSTITUTION: A filtering member comprises a supporter(11) and a filter post(12). The filtering member is mounted to filter foreign materials and the air sucked by a suction motor. The supporter comprises a plurality of through holes and is coupled with the inner portion of the inner space. The exterior surface of the filter post is coupled with the through hole and extended long a passage for sucking the air. The filter post is formed by a flexible filter fabric and the air passes through the post.
Patent KR-20120101829-A (KR)
Title: Extruded pellet feed for eel
Inventor: KIM JEONG DAE
IPC: A23K1/16
Filed: 2011-03-07
Abstract: PURPOSE: EP fodder for eel capable of reducing the material costs is provided to reduce the reliance level of conventional fodder to fish meal, and to avoid using alpha-starch when producing the fodder. CONSTITUTION: EP fodder for eel contains 40-50% of fish meal, 3-8% of krill meal, 15-20% of wheat flour, 5-10% of fermented soybean meal, 5-6% of fish oil, 5-6% of soy oil, 2-8% of squid liver powder, less than 5% of corn gluten, and less than 5% of additive. The additive includes 1-1.4% of feeding attractant for the total amount of fodder for promoting the intake of the EP fodder to the eel. The feeding attractant includes at least one compound selected from trimethylglycine, dimethyl beta-propiothetin, 5`-inosine monophosphate, 5`-guanosine monophosphate, or monosodium glutamate.
Patent KR-20120102289-A (KR)
Title: Coiling machine
Inventor: SON NAM OK
IPC: B65H55/04
Filed: 2011-03-08
Abstract: PURPOSE: A coil winding apparatus is provided to control the tension of first and second coils wound on a core wire by controlling the frictional force of a friction pad and a plier. CONSTITUTION: A coil winding apparatus comprises a rotary shaft(10), a bobbin(20), a plier(30), a friction pad(40), and a core wire(50). The bobbin is mounted on a mounting member(15) of the rotary shaft and the plier is mounted at the top(12) of the rotary shaft. The plier is rotated on the rotary shaft by bearings(33) of the plier and the friction pad. A hollow part of the plier is arranged in a straight line from the hollow part(11) of the rotary shaft. Accordingly, the core wire is passed through the hollow part of the plier and the hollow part of the rotary shaft and a first coil(51) and a second coil(52) are wound on the bobbin in a same direction.
Patent KR-20120105709-A (KR)
Title: Drag type water current turbine having energy concentrating device
Inventor: LEE CHUL HYUNG
IPC: F03B7/00
Filed: 2011-03-16
Abstract: PURPOSE: A water wheel in a drag type with an energy concentration device is provided to be silently operated by preventing the vibration of a casing while the cavitation generated in a reaction water turbine is prevented. CONSTITUTION: A water wheel(40) in a drag type comprises an energy-concentration casing(10) and a rotor(20). The energy-concentration casing is installed in a water way(1), and increases the flow velocity of the water by collecting water in a point. The rotor is vertically installed in an outlet(13) of the casing, and rotated by the water.
Patent KR-20120106082-A (KR)
Inventor: JANG KI SAING
IPC: E04F15/024
Filed: 2011-03-17
Abstract: 본 발명은 데크가 바닥으로부터 일정 높이로 이격되게 설치될 수 있도록 다수의 고정앵글를 일정 간격으로 설치하고, 상기 고정앵글에 삽입, 결합되는 몸체의 상부에는 지지대가 일체로 형성되며, 상기 지지대의 상부에는 상기 데크의 일측면을 고정수단으로 체결할 수 있도록 다수의  체결공이 통공된 고정판이 일체로 된 고정부재를 제공함으로써, 상기 고정앵글 상에 다수의 데크를 신속하고 견고하게 연속적으로 배열, 설치할 수 있어 작업의 효율성을 향상시킴은 물론 데크의 수명을 장기화하여 유지보수에 따른 비용을 절감할 수 있는 바닥용 데크 고정장치를 제공하고자 한다.
Patent KR-20120114014-A (KR)
Inventor: GANG WAN GU
IPC: A01G27/02
Filed: 2011-04-06
Abstract: 본 발명은 화분에 관한 것으로, 몸체부; 상기 몸체부의 둘레를 따라 구비되고, 상기 몸체부의 내부로 공급되는 물의 공급위치를 달리하는 물공급 가이드부; 및 상기 몸체부에 결합되고, 상기 몸체부의 내부를 확인할 수 있는 투명부를 포함한다. 
본 발명에 따른 화분은 몸체부에 투명부와 물공급 가이드부를 구비함으로써, 시각적으로 확인된 화분의 내부의 상태에 따라 물의 공급이 필요한 부분으로만 물을 공급할 수 있다.
Patent KR-20110112787-A (KR)
Inventor: KIM SEONG YOON
IPC: A47B13/08
Filed: 2011-04-06
Abstract: 바른 자세를 위한 다양한 형태의 책상이 제공된다.  본 발명의 일 실시예에 따른 책상은 지지다리와, 지지다리의 상단에 결합되는 상판과, 상판에서 연장하는 지지부재와, 지지부재를 따라 이동가능한 상단과 상판에 이동가능하게 놓이는 하단을 가지고, 상판에 대해 경사지는 제1 위치와 상판에 대해 수직한 제2 위치 사이 및 제1 위치와 상판에 대해 평행한 제3 위치 사이에서 이동가능한 이동판과, 지지부재에 회전가능하게 연결되고, 하단에서 이동판에 이동가능하게 놓이고, 이동판의 이동에 연동하는 수직판을 포함한다.
Patent KR-20120118164-A (KR)
Inventor: GANG PIL GU
IPC: F16L55/00
Filed: 2011-04-18
Abstract: 본 발명은 원형으로 다수 회 감겨진 주름관이나 플렉시블관을 펼치지 않고 그 상태에서 회전 진동을 인가하여 히팅 케이블이 해당 관로내로 빨려들어가서 인입이 자동으로 이루어지도록 한 주름관에 히팅 케이블을 인입하는 장치 및 그 방법에 관한 것으로, 본 발명의 주름관에 히팅 케이블을 인입하는 방법의 실시 형태에 따르면, 히팅 케이블을 보빈에 권취시켜 놓고, 원형으로 다수회 감아진 주름관을 진동체에 고정시켜 놓는 단계와; 진동체를 바닥 수평면에 대하여 수직한 수직축을 중심으로 진동모터에 의해 회전 진동시키는 단계와; 주름관의 입구측에 히팅 케이블의 선단을 일정 깊이만큼 삽입시켜 놓는 단계;를 통하여 히팅 케이블이 주름관의 내주면 벽과 원심 진동 접촉이 발생되어 히팅케이블의 인입이 자동적으로 이루어지는 것을 특징으로 한다.
Patent KR-20120118941-A (KR)
Title: 전기 발전 자판기
Inventor: PARK MIN CHIUL
IPC: A63B22/06
Filed: 2011-04-20
Abstract: 통상 많은 사람들이 가정에서나 공원에서 운동 기구를 통하여 운동을 하게 된다. 통상 운동기구와 발전기를 합성하여 운동을 하므로 운동과 전기 생산을 하여 발전된 전기를 가전 제품에 사용되고 또는 축전지에 충전을 하여서 필요할 때 사용 한다. 
     본 발명은 운동을 하면서 동력을 저장하고, 가능한 많은 량의 동력을 저장하고 저장된 동력을 비교적 긴 시간 발전기를 가동하여 용도에 맞게 전기를 이용 할수 있고 또는 생산된 전기를 한국전력에 판매 할수도 있게 된다. 또는 공원에 비치하여 사용자가 운동을 하면서 생산된 전력량 많큼 자판기에서 금액을 계산하여 지폐와 동전을 바로 지급받으므로 건강 증진과 노동력의 댓가로 수익을 얻을수 있는 전기 자판기가 되는 것이다. 
     
     발전기, 운동 기구, 자판기
Patent KR-20120119346-A (KR)
Inventor: MIN BYUNG WOOK
IPC: B01D5/00
Filed: 2011-04-21
Abstract: 본 발명은 폐수 증발처리 방법에 관한 것이다. 구체적으로 각종 폐수 즉 음식폐기물 탈리액, 축산분뇨, 각종오니 등의 악성폐수를 증발 응축처리하기 위하여 탱크내부에 가열교반기가 설치된 증발기에 외부에는 응축기가 설치되어 응축수 생산으로 기류를 순환하거나 증발기에서 발생한 증발기류를 열분해 후 건조열원으로 사용한 다음 응축 분리하여 응축수와 같이 배출시켜 폐수를 증발처리 하는데 있어서 왕겨 또는 톱밥 또는 볏집을 투입하여 충진제(고형제)로서 폐수를 흡수시켜 가열교반으로 증발 처리하는 방법에 관한 것이다. 
본 발명에 의하면 왕겨 또는 톱밥을 투입한 밀폐처리된 가열교반탱크에서 폐수를 공급하여 혼합 가열교반 함으로서 교반력의 향상 및 충진제 역할로 열전달 효과를 극대화 할 수 있으며 스케일(점질물이 열판에 달라붙은 현상)을 방지하여 더욱 열전달 효율을 높혀 짧은 시간내에 폐수를 증발 시키고 증발기류를 연소기류로 열분해 하여 건조열원으로 사용함으로서 연료비를 절감하고, 외부 오염문제를 해소하며 폐수처리에 의하여 최종 농축된 건조 고형물은 열량이 높은 에너지원으로서 고형연료 사용이 가능하다.
Patent KR-20120119596-A (KR)
Title: Guide cushion roll
Inventor: KIM SU HYUN
IPC: B29C43/32
Filed: 2011-04-22
Abstract: PURPOSE: A guide cushion roll is provided to be restored in an initial position by using an inflated cushion member expanding the outer shape of a roller. CONSTITUTION: A guide cushion roll(100) comprises an inner pipe(10), a plurality of supporters(20), a plurality of perimeter members(30), an outer pipe(40), a coating portion(50), a cushion roll unit(60), and a prevention sill member(70). The plurality of supporters is installed in the outer peripheries of a rotary shaft(11). The outer pipe connects the perimeter members. A first space is formed in the inner pipe and a space is formed in the outer pipe. The coating portion is formed in the exterior surface of the outer pipe. The cushion roll unit is inserted between the supporters and insertion sills. The prevention member prevents the movement of the cushion roll unit.
Patent KR-20120120701-A (KR)
Title: System of managing virtual machines and method thereof
IPC: G06F9/44
Filed: 2011-04-25
Abstract: PURPOSE: A virtual server management system and a method thereof are provided to efficiently manage resources of a physical server by supplying a virtual server optimized according to a use purpose and a use pattern through provisioning. CONSTITUTION: A pattern analyzing unit(220) checks a use pattern of a user through a user pattern database(230) in which information about virtual server use patterns are stored. A virtual server provisioning unit(240) checks virtual server provisioning corresponding to the use pattern and supplies the same to the user. If there is not the virtual server provisioning corresponding to the use pattern, a virtual server generating unit(250) generates a virtual server corresponding to the use pattern. [Reference numerals] (200) Virtual server management system; (210) Usage purpose input unit; (220) Pattern analyzing unit; (230) User pattern DB; (240) Virtual server provisioning unit; (250) Virtual server generating unit; (260) User selecting unit
Patent KR-20120121300-A (KR)
Title: Casting system stirring molten metal for manufacturing sacrificial anodes of ship
IPC: C23F13/14
Filed: 2011-04-26
Abstract: PURPOSE: A molten metal agitating system for manufacturing a sacrificial anode for preventing ship corrosion is provided to obtain standardized cast products by controlling the operation of a stirrer according to the material of a sacrificial anode. CONSTITUTION: A molten metal agitating system for manufacturing a sacrificial anode for preventing ship corrosion comprises: a melting furnace(10) accommodating predetermined kinds of metal materials constituting a sacrificial anode and provided with a heater for creating molten metal and a stirrer to induce forcible stirring of molten metal; a mold which forms a cavity in the same shape as the sacrificial anode and injected with molten metal to cast a cast product of a sacrificial anode; a cooling unit which is connected to the mold and cool the molten metal and the mold; and a controller controlling the operation of the melting furnace, the mold, and the cooling unit. [Reference numerals] (62) Drive motor; (63) Electromagnet agitator; (64) Permanent magnet agitator
Patent KR-20120121696-A (KR)
Title: Method for detecting a moving object
IPC: G01S11/00
Filed: 2011-04-27
Abstract: PURPOSE: A detecting method of moving objects is provided to detect moving amount and speed of own vehicle and to detect moving objects only by using a distance measuring sensor. CONSTITUTION: A detecting method of moving objects comprises the following steps: storing distance measuring result by measuring the distance between specific points and vehicles(s101,s102); distinguishing the specific points into a fixed group from the moving group(S103,s104); and estimating the moving amount and speed of the vehicle by using the distance changing value based on the fixed group(s105). The second process includes the following processes: determining the specific points having the identical moving speed and direction as the fixed group; and determining the rest specific points as the moving group. The third process comprises the following processes: calculating the distance change value based on the fixing group; and detecting the moving speed by dividing the distance change value into data acquisition cycles. [Reference numerals] (AA) Start; (BB) End; (S101) Measuring the first distance between specific points and vehicles; (S102) Measuring the second distance between specific points and vehicles; (S103) Comparing the measuring result of the first and second distance; (S104) Distinguishing the specific points into a fixed group from the moving group; (S105) Estimating the moving amount and speed of the vehicle
Patent KR-20110057099-A (KR)
Title: Light emitting device
Inventor: KIMURA HAJIME
IPC: G09G3/32
Filed: 2011-05-04
Abstract: PURPOSE: A light emitting device is provided to eliminate the characteristic deviation of a transistor for driving pixels by calculating a video signal according to the characteristic of the transistor. CONSTITUTION: A pixel(103) includes a light emitting element and a transistor. A memory memorizes data related to a constant. A current measuring part is in connection with a wiring supplying a current to the light emitting element. A source signal line driving circuit(101) is arranged around a pixel part. The source signal line driving circuit includes a shift register(101a), a buffer(101b), and a sampling circuit(101c).
Patent KR-20120126643-A (KR)
Title: Liquid crystal display device and method for driving the same
IPC: G02F1/133
Filed: 2011-05-12
Abstract: PURPOSE: A liquid crystal display device and a driving method thereof are provided to improve brightness by increasing transmissivity. CONSTITUTION: A liquid crystal panel(5) includes a first substrate, a second substrate and a ferroelectric liquid crystal layer. The ferroelectric liquid crystal layer is formed between the first substrate and the second substrate. A plurality of gate lines and data lines are formed on the first substrate. A color filter array and common electrode are formed on the second substrate. A gate driver(4) supplies a scan pulse to the gate lines. A data driver(6) outputs a positive data voltage in an odd frame period. The data driver outputs a negative data voltage in an even frame period. A timing controller(8) outputs a plurality of control signals. The control signals control the gate driver and the data driver.
Patent KR-20120129089-A (KR)
Title: Fluid circulating unit, mobile terminal having it and control method therof
IPC: H05K7/20
Filed: 2011-05-19
Abstract: PURPOSE: A portable terminal, fluid circulation unit, and control method thereof are provided to cool heat generated from an electronic device by moving a fluid. CONSTITUTION: A case forms an outer tube. One or more electronic elements(232) are located in the case. A fluid circulation unit(200) includes a piezo-pump. The piezo-pump moves a fluid. The piezo-pump cools heat generated from the electronic device. A shield can covers the electronic devices. The case includes a rear case and a front case. One or more vents are located on the rear case.
Patent KR-20120131784-A (KR)
Title: Primer set and method for distinguishing of Bacillus thuringiensis and Bacillus cereus
IPC: C12N15/11
Filed: 2011-05-26
Abstract: PURPOSE: A primer set for distinguishing Bacillus cereus and Bacillus thuringiensis is provided to quickly and accurately distinguish Bacillus cereus and Bacillus thuringiensis. CONSTITUTION: A primer set for distinguishing Bacillus cereus and Bacillus thuringiensis contains: a primer set for amplifying gorEL(sequence number 1) of Bacillus cereus and Bacillus thuringiensis and a cry gene(sequence number 4) of Bacillus thuringiensis. A primer set for amplifying gorEL is sequence numbers 2 and 3. The primer set for amplifying the cry gene(sequence number 4) is sequence number 5 and 6. The primer set additionally contains a probe of sequence number 7 and 8.
Patent KR-20120133672-A (KR)
Title: Inspecting apparatus for 3 dimension image display
IPC: G01N21/88
Filed: 2011-05-31
Abstract: PURPOSE: An inspection device for a 3D image display is provided to inspect an alignment state through one photographing, thereby reducing manufacturing costs and processing time. CONSTITUTION: An inspection device(100) for a 3D image display comprises a lighting unit(120), a camera unit(130), and an image determination unit(150). The lighting unit projects lights on a region of a display panel(110) in which a 3D image filter(115) is attached. The camera unit comprises a polarizing filter(133). The camera unit photographs the region of the display panel, thereby obtaining images of the lights penetrated through the polarizing filter. The image determination unit analyzes the images, thereby determining failure existence. The lighting unit comprises any one of a red LED lamp, a white LED lamp, and a metal halide lamp.
Patent KR-20120136648-A (KR)
Title: Apparatus controlling system and method using vital signal
Inventor: LEE MYOUNG HO
IPC: A61B5/375
Filed: 2011-06-09
Abstract: PURPOSE: A control system including a feedback unit and method thereof are provided to enable a user to accurately determine a control signal in real time. CONSTITUTION: A bio-signal measurement unit(102) measures a bio-signal of a user for controlling a control target apparatus. A control signal creation unit(130) creates a control target apparatus control signal according to a bio-signal. A feedback unit(106) provides stimulation corresponding to the control target apparatus control signal to the user in real time. The bio-signal measurement unit and the feedback unit are installed in a frame. [Reference numerals] (10) Control system using bio-data; (102) Bio-signal measurement unit; (106) Feedback unit; (130) Control signal creation unit; (200) Control target device; (AA) Control signal; (BB) Bio-signal; (CC) Stimulation corresponding to control signal; (DD) Transmitting control signal and providing stimulation corresponding to control signal at same time
Patent KR-20120137917-A (KR)
Title: Ceria based bi-layer electrolyte comprising yttria-stabilized zircornia functional layer formed via atomic layer deposition, and solid oxide fuel cell comprising the same
Inventor: CHA SUK WON
IPC: C04B35/64
Filed: 2011-06-13
Abstract: PURPOSE: A preparing method of a functional layer-comprising ceria-based electrolyte is provided to minimize resistance loss by depositing an YSZ film with relatively high resistance to oxygen ions into a thin thickness, and to facilitate the thickness control of the functional layer. CONSTITUTION: A preparing method of a functional layer-comprising ceria-based electrolyte comprises a step of forming an YSZ functional layer through an atomic layer deposition. The functional layer formation step consists of repeating 1-30 times of an yttria formation cycle and a zirconia formation cycle. The yttria formation cycle comprises: a step of supplying an yttria precursor into a chamber; a step of purging the chamber; a step of supplying the oxidant into a chamber; and a step of purging the inside of chamber. The zirconia formation cycle comprises: a step of supplying one kind of zirconia precursors into the chamber; a step of purging the chamber; and a step of supplying oxidant into the chamber; and a step of purging the inside of the chamber.
Patent KR-20120138899-A (KR)
Title: Structure of door-cylinder for bus
Inventor: LEE SEUNG JAE
IPC: B60J5/04
Filed: 2011-06-16
Abstract: PURPOSE: A door cylinder structure for buses is provided to relieve the shock generated between a stopper spacer and a snap ring by installing an elastic member between the stopper spacer and the snap ring. CONSTITUTION: A door cylinder structure for buses comprises a ball-retainer(40) and an elastic member(30). The ball retainer moves up and down in a drive casing(60) according to the movement of a drive shaft(50). The ball retainer is restricted by a stopper spacer(10) which is inserted into the drive casing. The stopper spacer is fixed by a snap ring(20) connected to the drive casing. The elastic member is mounted between the stopper spacer and the drive casing. The elastic member is elastically deformed by the ball retainer.
Patent KR-20120001679-A (KR)
Title: Shearing die and method for manufacturing the same
Inventor: YAMAMOTO KENJI
IPC: C23C14/46
Filed: 2011-06-29
Abstract: PURPOSE: A mold for shearing and a method of manufacturing the same are provided to enhance abrasion resistance and durability by containing one or more of Al, Ti, and Cr and prevent a film from becoming taken off or destroyed. CONSTITUTION: A mold(1) for shearing comprises a pair of substrates and a board(2). At least one of the substrates is formed from steel, cemented carbide or ceramics. Said at least one of the substrates is extended from a curved surface and a curved blade to cut the board and comprises a side facing the surface of the board. A hard film is formed on at least, the curved area and a 300μm area along the side of the substrate from the end of the curved surface of a side facing the surface of the board, of said at least one of the substrates. The hard film is formed in an arc-ion plating method.
Patent KR-20130002569-A (KR)
Title: A transfer unit for auto shillings apparatus of the substrate
Inventor: JUNG BUP GYO
IPC: B65G49/06
Filed: 2011-06-29
Abstract: PURPOSE: A transfer unit for automatic substrate sealing apparatus is provided to automatically conduct substrate sealing, thereby preventing etchant from permeating between substrates in an etching process. CONSTITUTION: A cassette loading and transferring unit(200) transfers a cassette(C). A loading unit(300) successively takes out a substrate(S) from the cassette. A substrate loading unit(400) performs horizontal movement and rotation of the substrate in the loading condition. A sealing unit(500) coats the upper surface of the substrate with a sealant. A curing unit(600) cures the coated sealant. An unloading unit(700) successively inserts the substrate into the cassette.
Patent KR-20130005636-A (KR)
Title: Aligner for board and controlling method for the same
Inventor: PARK NOH SUN
IPC: H01L21/68
Filed: 2011-07-07
Abstract: PURPOSE: An apparatus for aligning a substrate and a method for controlling the same are provided to improve the accuracy of alignment. CONSTITUTION: A stage(110) comprises an absorbing body to absorb a substrate(10). A stopper(120) is protruded from the stage to support at least one side of the substrate placed in the stage. At least one pushers(132,134) push the substrate placed in the stage toward the stopper. An upper press(140) is installed in the upper side of stage to move up and down and presses the substrate placed on the stage. The top press compresses the substrate placed in the stage. The stopper is formed to support two sides of the edge of the substrate and is accommodated in the stage.
Patent KR-20130005695-A (KR)
Title: Method for polymerizing polyoxymethylene polymer
Inventor: CHIN CHONG WON
IPC: C08G2/06
Filed: 2011-07-07
Abstract: PURPOSE: A manufacturing method of a polyoxymethylene is provided to efficiently deactivate a BF3-based polymerization catalyst by alkylated formamide acetal as a polymerization stopper, thereby being capable of suppressing degradation of molecular weight and thermal stability of a product polymer. CONSTITUTION: A manufacturing method of a polyoxymethylene comprises: a step of polymerization process using a BF3-based polymerization catalyst to prepare an oxymethylene homopolymer which consists of an oxymethylene unit indicated in chemical formula 1: -(CH2O)- and a copolymer in which the unit indicated in chemical formula 1 and a unit indicated in chemical formula 2: -[-(CX1X2)xO-]- are randomly bonded. After obtaining desired molecular weight, the polymerization stopped by adding alkylated formamide acetal as a polymerization stopper.