baber/WOPTO huggingface dataset:
Patent KR-20100113219-A (KR)
Title: Chunggukjang yoghurt
Inventor: PARK MIN KYUNG
IPC: A23L11/20
Filed: 2009-04-13
Abstract: PURPOSE: A fermented soybean yogurt with lessened unpleasant smell is provided to have rich nutrient and biologically active substance by improving the unpleasant smell and provide the taste and flavor using raw fermented soybean and fermented soybean powder. CONSTITUTION: The 1 ~ 30 %(w/v) solution is made by mixing the fermented soybean powder and raw fermented soybean with the distilled water. Add 1~5%(w/v) grape sugar in solution and heat the solution for 15~30 minutes in an autoclave and cool the solution in 30~50°C. After diluting a mixed strain in physiological saline, put the mixed solution in the fermented soybean solution as 0.001~0.02%(w/v) and ferment the solution in 30~50°C for 3~14 hours by suing the shaking incubator. The mixed strain is second kind or more selected from the Streptococcus thermophilus, the Lactobacillus acidophilus, the Bifidobacterium longum, the Streptococcus thermophilus, the lactobacillus bulgaricus, the Streptococcus thermophilus, the Lactobacillus delbrueckii(subspecies) bulgaricus. The mixed strain has a mixed rate of 95% : 5% : 5% of the Streptococcus thermophilus, the Lactobacillus acidophilus, and the Bifidobacterium longum.
Patent KR-20100113708-A (KR)
Title: Hybrid tuner and thereby driving
Inventor: KIM GWANG BOK
IPC: H04N5/50
Filed: 2009-04-14
Abstract: PURPOSE: A hybrid tuner and a driving method thereof are provided to perform an automatic LNA switching operation under the circumstance where strong and weak electronic field signals exist. CONSTITUTION: An LNA unit(200) filters a low frequency in a signal received through a signal reception unit, and an RF amplifying circuit unit(210) amplifies and outputs the signal filtered by the LNA unit. An intermediate frequency circuit unit(220) synchronizes the signal amplified from the RF amplifying circuit unit into the intermediate frequency signal and outputs the intermediate frequency signal. An ADC unit(222) converts the AGC signal provided from an AGC director unit into an ADC signal, and outputs the ADC signal.
Patent KR-20100118024-A (KR)
Title: Materials charging method for blast furnace
Inventor: PARK JONG SEOK
IPC: C21B5/00
Filed: 2009-04-27
Abstract: PURPOSE: A material charging method for a shaft furnace is provided to form an accurate shape of materials accumulated through central charge by alternating the supply of materials for base charge and central charge. CONSTITUTION: A material charging method for a shaft furnace comprises steps of: injecting cokes for base charge, injecting cokes for central charge, injecting large sintered ore for base charge, determining whether the weight of cokes remaining in a holler(70) of a charge device reaches the wet value, closing a valve(54) controlling the supply of cokes to a charge chute(30) when reaching the set value, and moving the charge chute to the center of a blast furnace.
Patent KR-20090050041-A (KR)
Inventor: SEO SANG KIL
IPC: G09F19/00
Filed: 2009-04-29
Abstract: 본 발명은 광고판의 상하로 회전 구동이 이루어지도록 축설치된 로울러에 권취되어 상하 교호로 간헐 구동하면서 수개의 광고를 연속적으로 수행할 수 있도록 한 광고판을 제공코자 하는 것이다. 
     즉, 본 발명은 전면에 수개의 광고가 인쇄된 광고부(7a)와 배면부(7b)에 감지편(20)이 부착된 광고시트(7)가 광고판(1)을 구성하는 프레임(2) 상하로 축설치된 상하 로울러(3,4)에 양단이 고정되어 롤(roll) 상태로 권취되고, 상기 로울러(3,4)와 연결되는 구동수단이 감지편(20)을 감지하는 감지수단(21)과 콘트롤러(22)에 의해 구동이 제어되면서 간헐 승강작동이 이루어지면서 광고부(7a)에 인쇄된 수개의 광고가 연속적으로 행해지도록 한 광고판(1)의 프레임(2) 일측에는 구동수단으로 정역구동이 가능한 모터(8)를 설치하고, 상기 모터(8)의 원동축(9)에는 복수의 체인스프라켓(10,11)을 축고정하며, 상기 체인스프라켓(10,11)은 상하 로울러(3,4)의 샤프트(5,6)에 축고정된 체인스프라켓(12,13)과 체인(14,15)으로 연결구동토록 하며, 상기 원동축(9)에 축고정되는 체인스프라켓(10,11)에는 클러치베어링(16,17)이 설치되며, 상기 상부 로울러(3)와 샤프트(5) 사이에는 로울러(3)가 상부로 탄력설치되도록 스프링(18)을 설치하며, 상기 하부 로울러(4)와 샤프트(6) 사이에는 로울러(4)가 하부로 탄력설치되도록 스프링(19)을 설치한 것을 특징으로 한다. 
     이와 같은 본 발명의 광고판은 단일의 정역구동이 가능한 모터를 사용하여  광고시트 양단이 고정된 상하 로울러를 상하 방향으로 번갈아 구동이 이루어질 수 있도록 하여 염가로 제작이 가능하며, 마력이 낮은 모터도 사용이 가능하여 소음 감소로 실내에서도 사용이 가능하며, 광고시트가 상하 승강 시 과부하 요인을 일소하여 장치 작동의 신뢰성 및 내구성 향상, 고장률을 현저히 줄일 수 있으며, 상하 로울러에 양단이 고정된 광고시트가 항시 적정의 텐션을 갖도록 하여 광고면이 굴곡이 지는 폐단을 방지하여 양질의 광고를 수행할 수 있는 것이다. 
       
     광고판, 로울러, 광고시트, 클러치베어링, 스프링, 정역 모터
Patent KR-20100120935-A (KR)
Inventor: OH SE LEUNG
IPC: E04F15/04
Filed: 2009-05-07
Abstract: PURPOSE: A synthetic wood deck structure is provided to prevent damage to a synthetic wood deck by corresponding to the contraction and expansion of the synthetic wood deck and securely support the synthetic wood deck, thereby preventing the deviation of the synthetic wood deck. CONSTITUTION: A synthetic wood deck structure comprises a support member(200), a synthetic wood deck(300), and a deck connector(100). The support member is installed at regular intervals. Both ends of the synthetic wood deck are supported on the support member. The deck connector is fixed on the support member to be inserted between the synthetic wood decks. The deck connector forms a gap by regularly maintaining the installation interval of the synthetic wood deck.
Patent KR-20100123321-A (KR)
Title: Coordinate calculation system using proportional-integral-derivative algorithm and location position apparatus using the same system
Inventor: KIM JAE MOUNG
IPC: G08G1/0969
Filed: 2009-05-15
Abstract: PURPOSE: A coordinates calculation system using a PID control algorithm and a location measure system using the same for simplifying a complex process are provided to perform the real-time coordinate calculation in a node. CONSTITUTION: A distance measuring unit(150) measures a distance between a target node and an arbitrary node based on a reference node. An error producing unit(170) produces the error distance between the target node and the arbitrary node. A PID controller(110) applies the error to a PID control algorithm. The PID controller produces the control variable. A coordinate controller(130) calculates the coordinate of the arbitrary node by using the control variable.
Patent KR-20100124187-A (KR)
Title: A fishway
Inventor: MIN SUN YUNG
IPC: E02B8/08
Filed: 2009-05-18
Abstract: PURPOSE: A fishway for a river bank is provided to maintain slow flow of water in the fishway because an entrance and an exit are submerged in the water so as to draw in river water. CONSTITUTION: A fishway for a river bank comprises a buoy tube(17), a blocking tube(40), and an uneven part. The buoy tube has an exposed portion on the top and a submerged portion(b) on the bottom, and generates a buoyant force from pneumatic pressure. The blocking tube has a supporter which is projected on a flange of an inlet(11) of an inverse L-shaped transfer pipe(36). The uneven part is spirally formed in the fishway body.
Patent KR-20090065487-A (KR)
Title: Auxiliary driving apparatus for bicycle
Inventor: HEO SA JIN
IPC: B62M13/04
Filed: 2009-05-21
Abstract: A subsidiary actuating apparatus for a bicycle is provided to secure running stability of the bicycle and achieve smooth running of the bicycle even in a poor running environment by using a subsidiary actuator including an auto drive and release system. A subsidiary actuating apparatus for a bicycle includes a mount(11a,11b), a driving motor, a reduction device(14), a driving motor(13), and a stopper(17). The mount supports the reduction device including the driving motor. The reduction device performs seesaw motion, reduces the power of the motor and transfers the reduced power to the driving roller. The driving motor provides power to the roller. The stopper is installed at the mount and restricts upward pull back of the driving roller including the driving motor and the reduction device by using the front end thereof.
Patent KR-20100127973-A (KR)
Title: Displacement control valve of variable displacement compressor
Inventor: PARK HEE CHUN
IPC: F04B25/04
Filed: 2009-05-27
Abstract: PURPOSE: A displacement control valve of a variable displacement compressor is provided to prevent the compression loss of the compressor by linking and controlling a connection path between the discharge chamber and the crank case and a connection path between the crank chamber and the intake chamber. CONSTITUTION: A displacement control valve of a variable displacement compressor comprises a valve housing(110), a valve body(120), and a solenoid(130). The valve housing comprises a crank-case connection hole(112), a discharge-chamber connection hole(113), a first intake-chamber connection hole(111), a first guide hole(117), and a second guide hole(137). The crank-case connection hole is applied with the crank-case pressure of a compressor. The discharge-chamber connection hole is applied with the discharge-chamber pressure of the compressor. The first intake-chamber connection hole is applied with the intake-chamber pressure of the compressor. The first guide hole crosses the discharge-chamber connection hole and the crank-case connection hole. An end of the second guide hole is applied with the intake-chamber pressure. The valve body comprises a first valve(120a) and a second valve(120b) which respectively open/close the first guide hole and the second guide hole by reciprocating. The solenoid reciprocates the valve body.
Patent KR-20100105296-A (KR)
Title: A bottle
Inventor: JUNG KYUNG IL
IPC: B65D1/40
Filed: 2009-06-05
Abstract: PURPOSE: A container is provided to enable a user to safely drink the contents of the container by minimizing a sudden discharge of liquid contents by including a plurality of guides which are spirally wound on the container and to prevent contamination which is generated due to the sudden discharge of the liquid contents. CONSTITUTION: A container accepts liquid contents. The container includes a bottle body(120) which has a convex shape to discharge the liquid contents to an outlet(111) of a bottleneck(110) and a plurality of guides(121) which are spirally wound on the bottle. The multiple guides include an upper domain and a lower domain based on the center of the bottle body. The outer circumference of the lower domain is curved. The inner circumference of the lower domain has a flat vertical shape.
Patent KR-20100132617-A (KR)
Title: Method and device for checking petrol of automobile
Inventor: KIM SANG JUNG
IPC: G01F23/24
Filed: 2009-06-10
Abstract: PURPOSE: A method and a device for checking residual fuel of a vehicle is provided to accurately measure the residual fuel of the vehicle by using a capacity voltage conversion circuit. CONSTITUTION: A method for checking the fuel of vehicle is comprised of steps: applying voltage according to the variation of a fuel level and receiving a recursive voltage to form standard index; measuring the variation of voltage which is detected through a capacity voltage conversion circuit(40); applying voltage to an apparatus inside and outside the vehicle to form a comparison index; and comparing the standard index with the comparison index.
Patent KR-20100132831-A (KR)
Title: Warp knitted fabrics containing polypropylene, manufacturing of the same and its use
Inventor: DO JAE KYUNG
IPC: D04B21/08
Filed: 2009-06-10
Abstract: PURPOSE: A manufacturing method of a polypropylene containing sclera fabric saving the energy by reducing the temperature of tender at 15~10 degrees is provided to supply sports ware fabric having light characteristic, heat insulation and water-repellency of the polypropylene containing sclera fabric. CONSTITUTION: A polypropylene yarn 10~30 weight%, spandex yarn for low-temperature setting 10~20 weight% for the low temperature setting and chemical fiber 50~80 weight% lice are mixed with together. A presetting process of the warp knitted fabric operates. A dye polypropylene is dyed with the disperse dyes. The thermal process of the Salting polypropylene operates after the dyeing. A reduction clearing process or soaping process is performed in order to remove dyes on the surface.
Patent KR-20100137976-A (KR)
Title: Transformer having heat pipe
Inventor: OH SUK HWAN
IPC: H01F27/12
Filed: 2009-06-24
Abstract: PURPOSE: A transformer having heat pipe is provided to greatly reduce the overall size and weight of a transformer by excluding the heat radiation member installed on the outside of the main body of the transformer. CONSTITUTION: A transformer(110) is installed on the inside of a transformer main body(100). The insulating oil(120) is filled within the transformer main body. A heat pipe(200) is installed on the inner periphery of the transformer main body to contact the insulation oil and exchange the heat. The heat pipe is extended in the longitudinal direction of the transformer main body.
Patent KR-20110000088-A (KR)
Title: Cyber running machine system
Inventor: LEE JONG TAEK
IPC: A63B24/00
Filed: 2009-06-26
Abstract: PURPOSE: A cyber running machine system is provided, which enables a user to do exercise while enjoying the exercise and to obtain feeling of doing exercise in a specific environment. CONSTITUTION: A cyber running machine system comprises: a running machine; a camera(307) taking a photograph of a user using a running machine; a communication unit(301) connected to an internet network; an input unit(311) for input of user's operation signal; a display unit(305) installed at the front of the running machine; a microphone(303) in which user's voice is inputted; a speaker(309) through which a sound is outputted; and a controller(313) displaying an image to the display unit.
Patent KR-20110000922-A (KR)
Title: Assembly breast wall
Inventor: U DAE SEUB
IPC: E02B3/14
Filed: 2009-06-29
Abstract: PURPOSE: An assembled retaining-wall facility for a complex is provided to enhance construction efficiency and to reduce construction period since a retaining-wall facility is simply formed by a basic block and a slope block. CONSTITUTION: The structure of an assembled retaining-wall facility for a complex is as follows. A basic block(300) is installed on one side of a residential complex. Slope blocks(400) are consecutively stacked on the top of the basic block and a slope(200) is protected. The side of the basic block is formed in a rectangular shape and the top of the basic block forms an arch groove, which externally forms saw-tooth to couple the slope block. One side of the slope block is formed in a circular frame, externally forming saw-tooth, and the other side is formed in a cross frame, which forms saw-tooth. The slope block is fixed with a nut using a coupling bolt through a coupling hole on the cross frame to protect the slope.
Patent KR-20110000963-A (KR)
Title: Extraction apparatus and extraction method of hydrocarbon from the culture of microalgae
Inventor: SIM SANG JUN
IPC: C12P5/00
Filed: 2009-06-29
Abstract: PURPOSE: An apparatus and method for extracting hydrocarbon from microalgae are provided to reduce loss of hydrocarbon extraction and to enhance contact time and contacted surface between microalgae and organic solvent. CONSTITUTION: An apparatus for extracting hydrocarbon from microalgae comprises: a light permeable reactor(1) containing a culture medium for micro algae and organic solvent; and a pump which is connected to the light permeable reactor. The pump comprises a pump body(2), an inhalation part(3) for inhaling organic solvent, which is connected to the pump body; a carbon dioxide supplier(5) for supplying air including carbon dioxide by being connected to the pump body; a discharge part(4) for releasing air into the culture medium for micro algae; and a pump with a pipe(6,6') which connects the pump body, inhalation part, discharge part, and carbon dioxide supplier.
Patent KR-20110002374-A (KR)
Title: Noise isolation panel of a ceilings
Inventor: YU IN SEOP
IPC: E04B9/00
Filed: 2009-07-01
Abstract: PURPOSE: A sound insulation panel for a ceiling is provided to implement a flat surface even on an irregular ceiling surface because the length of the fixing member can be regulated. CONSTITUTION: A sound insulation panel for a ceiling comprises a plate body(10) and a fixing member(20). The plate body can be continuously coupled with other panels in every direction though assembly projections and grooves. The fixing member is installed to be projected upward on the plate body and fixed to a ceiling with a nail(N) hammered. The plate body has a support hole(12) and an insertion hole on both sides of the support hole. The fixing member is divided into a cylindrical rotating body(21) and a cylindrical fixed body(22), wherein the fixed body is inserted in the rotating body. The rotating body and the fixed body are coupled via female thread and male thread(22a) which are respectively formed on the rotating and the fixed body.
Patent KR-20110004962-A (KR)
Title: 기능성 방한 마스크
Inventor: OH BEYONG GYO
IPC: A62B18/02
Filed: 2009-07-09
Abstract: 본 발명은 오토바이, 바이크, 레저시에 운전자 또는 사용자의 방한을 위한 마스크로 착용한 상태로 음식물을 섭취하거나 담배 등을 피울 수 있는 편리한 구조의 기능성 방한 마스크를 얻기 위한 것인 바, 
     방한 마스크에 있어서, 고정하기 위해 양측면에 돌출되며 벨크로테이프가 형성된 결착부; 얼굴을 감싸며 돌출된 코가 안착할 수 있도록 코돌출부와 코를 숨을 쉴 수 있도록 형성된 코흡입구와 돌출된 입안착구에 다수개의 관통구를 형성하고, 상기 입안착구의 중앙에는 음식물을 삽입할 수 있도록 구성한 음식물삽입구와 상기 음식물삽입구의 상부에는 개폐할 수 있도록 구성된 커버를 포함한 얼굴면 돌출부; 상기 얼굴면 돌출부의 측면과 하부면에 커튼부를 구성하여 측면과 하단을 감싸도록 구성한 특징이 있다. 
       
     커튼부, 담배, 음식물 삽입구, 입안착구
Patent KR-20110005433-A (KR)
Title: Color laser printer identification system and method by analyzing halftone texture
Inventor: LEE HEUNG KYU
IPC: G06T7/00
Filed: 2009-07-10
Abstract: PURPOSE: A color laser printer identification system and a method by analyzing a halftone texture are provided to discriminate the forgery of an output by getting printer information and toner information. CONSTITUTION: A channel conversion unit(200) generates CMYK(Cyan, Magenta, Yellow, Black) color image information, and a histogram converter(400) generates a color image information histogram. A printer decision unit(500) generates a decision model for discriminating a printer corresponding to the CMYK color image information histogram. According to the discrimination model generated by an SVM(Support Vector Machine)(510), the printer discrimination unit induces the printer information and the toner information corresponding to the CMYK color image information histogram.
Patent KR-20110006097-A (KR)
Title: Functional material composition for agricultural and process for producing the same
Inventor: KANG CHANG HEE
IPC: C08K7/18
Filed: 2009-07-13
Abstract: PURPOSE: An agricultural functional material composition is provided to enable efficacy of functional components such as sterilization, antibiotic or fertilizer components and to evenly disperse functional particles. CONSTITUTION: A method for preparing an agricultural functional material composition comprises the steps of: impregnating charcoal particles, activated carbon particles, and soil particles in a liquid as a functional component to prepare functional particles; preparing pellets by one selected from polyesters, polypropylenes, polyethyelenes or nylon; and mixing the pellet and functional particles.
Patent KR-20100011908-A (KR)
Title: 그라플
Inventor: TADA SHIGEYA
IPC: B66C3/14
Filed: 2009-07-14
Abstract: 본 발명은 소형이어도 집게발(claw) 개폐용 유압 실린더로서 스트로크가 긴 것을 집게발 내에 수용하는 것이 가능해지는 구조의 그라플을 제공한다.   
     이를 위하여, 그라플의 하부 프레임(2)에 둘레방향으로 간격을 가지고 복수개의 집게발 설치용 브래킷(3)을 설치한다.  중공구조의 집게발(4)의 근본부를, 각 브래킷(3)에 각각 외삽하여 피벗축(18)을 중심으로 내외방향으로 개폐 가능하게에 설치한다.  각 집게발(4) 내에 수용하여 집게발 개폐용 수컷형 트라니온 유압 실린더(5)를 설치한다.  유압 실린더(5)의 보톰측 끝부의 설치축(5b)에 각각 직사각형의 베어링(16)을 회동 가능하게 끼워 맞춘다.  집게발의 양 측면판(4b)의 내면에 각각 오목부(14a)를 가지는 받침구(14)를 고정한다.  받침구(14)의 오목부(14a)에 베어링(16)을 끼워맞춘다.  받침구(14)에 베어링(16)의 탈락 방지용 덮개(17)를 설치한다.  유압 실린더(5)의 피스톤 로드(5j)의 보스(5i)를 브래킷(3)에 연결한다.
Patent KR-20110007340-A (KR)
Title: Manufacturing apparatus of personal ornaments chain
Inventor: PARK TAE GYU
IPC: A44C27/00
Filed: 2009-07-16
Abstract: PURPOSE: An ornaments chain manufacturing method is provided to improve the productivity while reducing labor costs. CONSTITUTION: An ornaments chain manufacturing device includes a forming mean(10), a pusher(20), and a combining mean(40). The forming mean receives a chain material which is ascends and descends a raw metal material by an elevation unit. The pusher supplies the chain device formed by the forming mean to the combining mean. The combining means successively connects the chain element which is supplied by the pusher in '+' shape.
Patent KR-20110011126-A (KR)
Title: Reinforcing structure of block for plants
Inventor: SONG SANG SUB
IPC: A01G1/00
Filed: 2009-07-28
Abstract: PURPOSE: A structure for fixing and reinforcing a vegetation block is provided to prevent earth and vegetation blocks from being downward moved by a weather change. CONSTITUTION: A structure for fixing and reinforcing a vegetation block is comprises multiple vegetation blocks(B). Each vegetation block has a vegetation space. The top of the vegetation space has an opening(100), and the bottom has a floor part(101). A cutting groove(103) is formed in one side of the outer surface of the vegetation block, and a protrusion(104) is formed in the other side. Fastening holes(105) are formed in the cutting groove and the protrusion.
Patent KR-20110013860-A (KR)
Title: 건축용 이중 샌드위치 흡음패널
Inventor: LEE CHANG YONG
IPC: E04F13/077
Filed: 2009-08-04
Abstract: 본 발명은 표,배면 강판 사이에 공명흡음패널과 단열재를 동시에 설치하고 공명흡음패널 내부에 통과된 각종 소음이 여러 방향에서 흡음될 수 있는 제1,제2흡음공간이 마련된 공명흡음패널을 설치하여 제1흡음공간과 제2흡음공간에서 소진되도록 함으로써 차음 및 흡음 효과를 대폭 향상시킬 수 있도록 한 건축용 이중 샌드위치 흡음패널에 관한 것이다. 
     즉, 배면강판(10)과, 상기 배면강판(10)과 대향 설치되는 것으로서, 다수의 음파통공(12)이 천공된 표면강판(11)과, 상기 표면,배면강판(10)(11)사이에 채워지는 단열재(20)와, 상기 표면강판(11)과 단열재(20)사이에 설치되며, 표면강판(11)에 형성된 다수 음파통공(12)을 통과한 음파가 흡음되도록 다수의 돌부(41)와, 제1,제2흡음공간(43)(45)을 형성한 공명흡음부재(40)로서 공진율을 향상한 건축용 샌드위치 흡음패널이다. 
       
     공명흡음패널,샌드위치
Patent KR-20110016184-A (KR)
Title: Method for manufacturing uhmwpe liner of artificial hip joint prosthesis
Inventor: KIM HYUN MOOK
IPC: A61F2/30
Filed: 2009-08-11
Abstract: PURPOSE: A manufacturing method of an ultrahigh molecular weight polyethylene liner for an artificial joint is provided, which can prevent oxidation of ultrahigh molecular weight polyethylene by removing free radicals. CONSTITUTION: A manufacturing method of an ultrahigh molecular weight polyethylene liner for an artificial joint comprises: a step of cutting material made of ultrahigh molecular weight polyethylene; a step of putting the cut material into a polyvinyl pack and sealing the pack by filling the polyvinyl pack with nitrogen; a step of cross-linking the material by gamma-ray irradiation; a step of generating recrystallization by heat-treating the material; a step of processing the shape of a liner for an artificial joint in the material; and a step of sterilization of the liner.
Patent KR-20110019995-A (KR)
Title: Mounting bush of suspenssion
Inventor: LEE JAE YOUN
IPC: B60G7/04
Filed: 2009-08-21
Abstract: PURPOSE: A mounting bush for a suspension is provided to prevent the abrasion of a mounting bush by reduction in a mounting bush and a car body bracket. CONSTITUTION: A mounting bush for a suspension comprises a body(110), a guide member(130), and a stopper(140). The body is placed at the end of a trailing arm. The guide member is formed at the upper end of the one side of the body. The stopper is installed in the guide member to be slidable. The guide member is inserted into the insertion hole formed at the upper end of the body. The guide member or the stopper is made of synthetic resin. A buffer member(150) having the elasticity is installed on one side of the stopper. The buffer member is attached to the surface of the stopper using adhesive.
Patent KR-20110020510-A (KR)
Title: Cylinderical secondary battery
Inventor: BAK HYO RIM
IPC: H01M10/04
Filed: 2009-08-24
Abstract: PURPOSE: A cylindrical secondary battery is provided to prevent the firing or explosion according to easy discharge of heat and gas generated inside a secondary battery and to improve the stability and reliability of a secondary battery. CONSTITUTION: A cylindrical secondary battery(100) includes a hollow type center pin(150) arranged within a core part of a jelly-roll shaped electrode assembly(120). The sum of both lengths from the external side of the core pin to the external diameter of the center pin corresponds to 5-54 % of an inner diameter. An electrode assembly comprises a first electrode board, a second electrode board and a separation film interposed between first and second electrode boards.