baber/WOPTO huggingface dataset:
Patent KR-20010081977-A (KR)
Title: Safety device for lithium-ion-polymer battery
Inventor: CENTA JOHN A
IPC: H01M50/574
Filed: 2000-12-23
Abstract: PURPOSE: Provided is a battery equipped with a mechanism to catch the abnormality of the battery, in which the hard plastic housing case incorporating a nearly rectangular cavity space and substantially a flat inner face are comprised. CONSTITUTION: The battery structure(70) and a switch(90) are incorporated in a cavity space(26). The battery structure is the nearly rectangular shaped with a flat external face, and has two lead wires(82, 84) penetrating through the housing case and extending through contact slots(52a, 52b) while lead wires(92, 94) of the switch are extended through another contact slots(52b, 52c). The battery structure keeps a normal form when the operation is under the normal conditions, but forms an abnormal form when it is under the abnormal conditions. The switch(90) is arranged between the flat inner face of the housing case and the flat external face of the battery structure. The switch is related to both the first electric situation in which the battery structure is of the normal form, and the second situation in which it is of the abnormal form.
Patent KR-20010016604-A (KR)
Title: Fish-based fried cake and process for manufacturing the same
Inventor: ETZO KAWAGUTZI
IPC: A23L17/00
Filed: 2000-12-26
Abstract: PURPOSE: A manufacturing method of fish confectionery is provided. This fish confectionery is digestible and low in cholesterol content, thereby preventing geriatric diseases. CONSTITUTION: The fish confectionery is manufactured by i) melting frozen fish meat; ii) grinding the molten fish meat; iii) mixing 75-85w% of ground fish meat, 10-15wt% of wheat flour, 1-5wt% of starch, 1-2wt% of sodium glutamate, 1-2wt% of salt, 0.1-0.3wt% of sodium sorbate, and 0.3-0.6wt% of soy bean oil; iv) a first-forming the mixture in a first automatic molding machine; v) frying the formed product at 180deg.C; vi) a second-forming the fried product in a second automatic molding machine; and vii) cooling the formed product.
Patent KR-20020052907-A (KR)
Title: Airbag cover for automobile
Inventor: JUNG BYEONG TAE
IPC: B60R21/16
Filed: 2000-12-26
Abstract: PURPOSE: An air bag cover of a vehicle is provided to prevent a windshield glass from being damaged by restraining a cover body of an air bag from contacting the windshield glass. CONSTITUTION: An air bag cover comprises a housing(10) placed inside a crash pad(1) and including an air bag(2), a cover body(20) placed in the front side of the crash pad, rotating toward a windshield glass(W) with response to the expansion of the air bag, and filled with air, and an air suction unit(30) forcibly sucking the air in the air cover body. Since the air in the air cover body is removed, the cover body is prevented from contacting the windshield glass.
Patent KR-20010021530-A (KR)
Title: 레이저 스캐너의 쉐브런 에러 수정 및 자동초점 방법 및장치
IPC: H04N1/047
Filed: 1998-06-19
Abstract: 본 발명은 이동가능한 스테이지상에 위치한 매체(40)에 양방향 주사 즉 스테이지가 두개의 반대방향으로 이동하는 동안 주사하여 이미지화하는 광 래스터 주사 시스템에 있어서, 상이한 스테이지 이동 방향에 기인하는 쉐브런 형성(각도 에러)을 서로에 대하여 동적으로 이동가능한 두개의 광학 요소(14,16)를 포함하는 반사 광학 장치에 의해 해결하는 것이다.  광학 반사 요소(14,16)중 하나(14)는 다른 하나에 대하여 경사지거나 또는 회전하여 쉐브런 형성을 야기하는 각도 에러를 보상한다.  이러한 경사의 양은 스테이지 이동방향에 따라 동적으로 변화되며 또한 스테이지 속도의 다른 불균일에도 불구하고 주사 패턴의 선형을 유지하기 위해 변화될 수 있다.  또한 자동초점장치가 제공되며 이에 의해 두개의 반사 요소(14,16)는 서로에 대하여 이동하여 매체(40)상의 광 빔의 초점을 동적으로 변화시키며 따라서 매체 표면의 불균일에 기인하는 초점이탈 문제를 해결하는 것을 특징으로 한다.
Patent KR-20010022633-A (KR)
Title: 다공성 복합 섬유 구조물의 제조방법
IPC: C22C1/08
Filed: 1998-08-07
Abstract: 본 발명은, 섬유의 미소결된 예비성형 망상 구조 및 기화성 구조 성형제를 성형한 다음, 적합한 접점에서 섬유의 소결 전에 구조 성형제를 기화시킴으로써 제조되는, 섬유의 망상구조로 이루어진 다공성 복합재료 제품에 관한 것이다.  성형제의 바람직한 구조는 셀룰로스 물질이다.
Patent KR-20010023044-A (KR)
IPC: A46B11/00
Filed: 1998-08-03
Abstract: A toothbrush with a toothpaste reservoir and a simple control delivering mechanism which is associated with an elastomeric valve system for dispensing an amount of oral hygienic paste onto bristles on the toothbrush.
Patent KR-20010024166-A (KR)
Title: 웨이퍼 공정 장치
IPC: H01L21/304
Filed: 1998-09-02
Abstract: 웨이퍼의 일괄 공정을 위한 웨이퍼 공정 장치가, 연마 표면을 갖고 턴테이블 회전축 둘레의 회전이 가능한 턴테이블을 구비한다.    압력판은 웨이퍼의 연마면이 상기 턴테이블의 상기 연마 표면으로 향한 상태에서 다수의 상기 웨이퍼를 동시에 홀딩하도록 구성된다.    상기 압력판에 통상적 힘을 인가할 수 있는 폴리셔 헤드가, 상기 압력판을 상기 턴테이블 쪽으로 구동시켜 상기 웨이퍼의 연마를 위해 상기 웨이퍼의 상기 연마면이 상기 턴테이블의 상기 연마 표면과 맞물리게 된다.    상기 폴리셔 헤드와 상기 압력판 사이에 있는 힘 분배 부재가 상기 폴리셔 헤드에 의해 인가된 힘을 상기 압력판으로 균일하게 분배하도록 구성된다.
Patent KR-20010031691-A (KR)
IPC: A61C17/00
Filed: 1998-11-03
Abstract: 본 발명은 감소된 제 2 결합력을 지니는 모노필라멘트에 관한 것으로, 강모 또는 치간 클리너를 제조하기 위하여 적어도 2개의 폴리머를 공동 압출하여 제조한다.  그것을 기계적인 힘의 작용을 받아 실질적으로 축방향으로 슬릿될 수 있다.  플래그의 한정된 슬릿을 생성시키기 위하여 모노필라멘트의 적어도 2개의 폴리머가 기하구조적으로 사각형인 배열로 배치되고 실질적으로 축방향으로 연장하는 경계층을 지닌다.  그렇게 해서 제 2 결합력은 감소하는 것이다.
Patent KR-20010040279-A (KR)
Title: 오염저감을 위한 모듈러 유전장벽
IPC: B01D53/32
Filed: 1998-11-24
Abstract: 직렬인 복수개의 유전장벽 셀(12a, 12b, 12c)로 이루어진 가스흐름(30)을 정화시켜주기위한 장치(10)이며 각 DBD 셀(12, 12b, 12c)을 위하여 각 DBD 셀(12a, 12b, 12c)에 교류를 공급하기위한 전원(24a, 24b, 24c)을 포함한다.
Patent KR-20010033266-A (KR)
IPC: C12N9/42
Filed: 1998-12-17
Abstract: A method for continuously biopolishing cellulose-containing fabrics is disclosed. This method involves (a) contacting the fabric with a cellulase having low affinity for cellulose and (b) subjecting the contacted fabric to high temperature. Treatment of the cellulose-containing material may be carried out as an additional step or a combined step with chemical preparation, dyeing, printing and finishing. This treatment results in excellent pilling performance, minimal loss in fabric strength and weight, and better wettability.
Patent KR-20010043067-A (KR)
Title: 비디오 신호의 디지털 동기화 방법 및 장치
IPC: H03L7/085
Filed: 2000-01-31
Abstract: 본 발명은 비디오 신호의 디지털 동기화에 대한 시간 기반 보정(Time Based Correction)(TBC) 방법에 관한 것이다. 시간 기반 보정 방법은 위성 기반 통신(satellite based communications)에 이용되어 멀티미디어 시스템(multimedia system)에서 클럭의 동기화 상태를 유지할 수 있다. 디지털 수신기 클럭 위상(digital receiver clock phases)은 측정 동기화(measure synchronization)에 비유된다. 상기 방법은 알고리즘 변수(algorithm variables)를 초기화하며 초기 위상을 설정하는 초기화 과정(initialization procedure)(tbcInit)과 현재 위상을 측정하는 측정 과정(measurement procedure)(tbcGetPhase)과 주기적으로 출력 클럭(VO_CLOCK)에 조절되는 트래킹 과정(tracking procedure)(tbcAdjust)을 포함한다.
Patent KR-20010043540-A (KR)
IPC: H03K17/16
Filed: 1999-05-11
Abstract: A method and apparatus of measuring current in a switching circuit (2) of the two-port type having a first set of terminals connected to a set of terminals of a noise reducing circuit, wherein a second set of terminals of the switching circuit has a switching terminal, which is adapted to be switched between the set of terminals of the noise reducing circuit, including the steps of providing an impedance in parallel with the switching circuit; measuring a current as a transient measurement during switching sequences in the switching circuit, the measurement being performed across an impedance in the noise reducing circuit.
Patent KR-20010070438-A (KR)
Title: Recording head, recording head manufacturing method, combined head and magnetic recording/reproduction apparatus
Inventor: HONJO HIROAKI
IPC: G11B5/31
Filed: 2001-01-05
Abstract: PURPOSE: To firstly realize a recording head and composite head of low-reproduction noise even when a Co-Ni-Fe film and 45NiFe film are applied to the composite film, to provide the recording head which can effectively utilize the high saturation magnetization characteristic of the core material of high saturation magnetization and the Co-Ni-Fe film of 2T saturation magnetization by these films, to thirdly provide the recording head of high recording performance at a high frequency and the recording head of a narrow track width of high density recording, to provide the method for manufacturing the recording heads and composite heads described above and to provide a storage device for high-capacity and high-speed data transfer with the magnetic recording and reproducing device mounted with the recording and composite heads described above. CONSTITUTION: The magnetic head which is formed with a magnetic gap at one end of first and second magnetic cores facing each other and is provided with insulating coils between the first and second magnetic cores by magnetical coupling at the other end, in which the magnetic fluxes of the first magnetic cores magnetized by the same execute recording on the magnetic medium by the leakage from the recording gap. The recording head is characterized in that the distance from the front end of the recording gap proximate to the magnetic medium to a magnetical joint contact is < 20 μm.
Patent KR-20010078438-A (KR)
Title: A system for lighting after pre-processing of fuel with waste gas of the internal-combustion engin
Inventor: AHN SEUNG BAE
IPC: F02M31/08
Filed: 2001-01-10
Abstract: PURPOSE: A fuel pre-processing and purifying system with exhaust gas of an internal combustion engine is provided to burn fuel completely by converting to active gas with passing high temperature exhaust gas through a fuel pipe, and to eliminate used ozone by oxidizing the exhaust gas with the high voltage and high density ozone. CONSTITUTION: A fuel pipe is formed in a low-temperature plasma reaction pipe(3), and a reaction core having a downward inclined face is formed in the fuel pipe. Exhaust gas is streamed through the low-temperature plasma reaction pipe and a high voltage ozone apparatus(9), and purified in a high-temperature plasma reaction pipe(14). A reaction core in round rod type is formed in the fuel pipe. Fuel is crossed with exhaust gas, formed at low density by accelerating in vacuum, and converted into active gas by fluid collision. The density is increased with the downward inclined face, and the state of sublimate gas is kept. The active gas is formed with adjusting the thickness of the fuel pipe according to volatility of fuel and according to the length of the low-temperature plasma reaction pipe.
Patent KR-20020062468-A (KR)
Title: Manufacturing method of assembly furniture
Inventor: HONG BONG PYO
IPC: A47B47/00
Filed: 2001-01-20
Abstract: PURPOSE: A method for manufacturing assembly type furniture is provided to help a worker to easily manufacture furniture, to facilitate the manufacturing work of the furniture, and to enable the mass production of the furniture. CONSTITUTION: The method for manufacturing assembly type furniture is comprised of the steps for attaching a film to the one side surface of a plate having a desired size; spreading the plate into a furniture shape that front and rear surfaces thereof are opened; cutting a V-shaped groove along the boundary of the spread plate; and bending the plate along the V-shaped groove and finally coupling corresponding edges of the plate.
Patent KR-20020063332-A (KR)
Inventor: PARK JANG MIN
IPC: B01D33/044
Filed: 2001-01-27
Abstract: PURPOSE: A filtering device for treating wastewater is provided, which can enhance filtration efficiency by installing filter medium layer in longitudinal water flow direction between the upper rotary plate and lower fixing plate and by twisting the filter medium layer by the action of piston rod of air cylinder, thus enlarging the filtration area. The back washing of filter medium is also easily carried out by two back washing pipes, and maintenance of the facility is easily conducted by installing air cylinder at outer side of the filter. CONSTITUTION: The system comprises a main body(30), an inlet pipe(10), a primary back washing pipe(12), a primary effluent pipe(14), a secondary effluent pipe(16) and a secondary back washing pipe(18). The main body is composed of a cylindrical perforated bucket(38), upper rotary plate(32), lower fixing plate(34), filter medium layer(36) and piston rod(40). Through the primary back washing pipe(12), washing water is fed and through the secondary back washing pipe(18) set at the opposite side, wash water is withdrawn. By rotating the upper rotary plate(32), the filter medium layer(36) is twisted.
Patent KR-20020063632-A (KR)
Title: Monitoring system for home
Inventor: KIM YEONG SIN
IPC: G08B13/00
Filed: 2001-01-30
Abstract: PURPOSE: Provided is a guard system for household which utilizes an auxiliary power when breaking a main power to guard household so that it helps to guard household more securely. CONSTITUTION: The guard system for household comprises the parts of: a unit(21) which includes a monitor to listen to AM/FM radio and to watch TV and video phone and a voice transmitting-receiving part; a detection tool(22) which is placed within a kitchen, detects entrants and produces the detection signal; a control tool(25) which takes photo of the entrants as the produced detection signal to judge whether to record or not and controls the each tool; a photographing tool(23) which connects to the control tool and takes photo of the entrants as order to photograph from the control tool; and a recording tool(24) which connects to the control tool and records image of the entrants and recording time as order to start recording.
Patent KR-20010044290-A (KR)
Inventor: KIM SEONG HO
IPC: B32B5/24
Filed: 2001-02-01
Abstract: PURPOSE: Provided is open cell-hard polyurethane foam capable of heat molding at 80-130deg.C and finishing material for car produced by laminating nonwoven fabric and surface material on both sides of the foam. CONSTITUTION: The open cell-hard polyurethane foam is produced by mixing and foaming 100pts.wt. of a total polyol, 110-130pts.wt. of crude-MDI, 1-3pts.wt. of a silicon-based foam stabilizer, 2-5pts.wt. of water, 15-35pts.wt. of methylene chloride, 0.5-3pts.wt. of a catalyst, 6-10pts.wt. of a fire-retardant agent, wherein the polyol comprises 8-20pts.wt. of a glycerin-initiated propylene oxide hydroxyl polyether, 32-50pts.wt. of a sucrose/glycerin-initiated propylene oxide hydroxyl polyether, 60-30pts.wt. of an adipic acid/trimethylol propane/diethylene glycol polyester. And the car finishing material is produced by spreading a first and a second strength-reinforcing material(82a)(82b) comprising glass filaments on the both sides of the foam and laminating the nonwoven fabric(81) and the surface material(83) on the first and the second strength-reinforcing material(82a)(82b), wherein the nonwoven fabric(81) and the surface material(83) is attached to the foam by spraying a first and a second mixture(84a)(84b) comprising polyisocyanate, 10-40pts.wt. of a catalyst, and 60-90pts.wt. of water.
Patent KR-20010085550-A (KR)
Title: Belt transmission device
Inventor: KUROSE YOSHITAKA
IPC: F02B67/06
Filed: 2001-02-23
Abstract: PURPOSE: To provide a belt transmission to prevent the awing of the automatic tensioner 24 and to reduce the slip and the creak of the belt 16, and to reduce the friction and the creak of the thrust washer 333 and the insert bearing 27 as friction device in the tensioner 24, although, the absorbable ratio of the extension of belt 16 by the tensioner 24 is extremely small values of 0.3-1.0 mm/deg in the condition that the tension in belt is controlled automatically by pushing the tensioner 24 to the slack side span 16a of the V-ribbed belt wound round the crank pulley 1 with rotation fluctuated, the auxiliary pulley s 4, 7, 10 and the idler pulley 13. CONSTITUTION: The damping coefficient DI of the automatic tensioner 24 is set correspondingly with the elastic modulus of the belt 16. For example, the DI of the tensioner 24 is set within 29% and over to 100% less when the elastic modulus of the belt 16 is 9800 N/100%.rib and over to 29400 N/100%.rib less.
Patent KR-20020071313-A (KR)
Title: Structure for fixing latch of circuit breaker in gas-insulated switchgear
Inventor: PARK JI HONG
IPC: H02B13/025
Filed: 2001-03-06
Abstract: PURPOSE: A latch arrangement is provided to allow maintenance and repair to be easily performed by adjusting position of latch wheel through a simple operation even when the latch wheel is assembled. CONSTITUTION: A latch holder(20) fixed to a bottom plate, and a latch pin(25) is coupled in such a manner that an end of the latch pin is inserted into a coupling hole(20a) of the latch holder and the other end of the latch pins is inserted into a through hole formed at the bottom plate. A latch(24) is coupled to the rotatable to the latch pin, and a latch spring(26) has an end coupled to the latch so as to elastically rotate the latch. A spring driver(27) is coupled such that the spring driver supports the other end of the latch spring and adjusts elasticity of the latch spring. A driver holder(28) is arranged to suppress the spring drive from rotating in a reverse direction by the force of the latch spring. A C-ring(29) is coupled to be attachable/detachable to/from the rear end of the latch pin such that the latch pin is correctly positioned.
Patent KR-20010100808-A (KR)
Title: 감광성 수지 조성물, 스페이서 및 액정 디스플레이 소자
Filed: 2001-03-07
Abstract: 평판인쇄술에 의해 액정 디스플레이 소자용 스페이서를 형성시키는 경우에 있어서의 신규한 감광성 수지 조성물을 제공한다.  구체적으로는 종래 특성을 겸비하고, 고감도이고, 현상 잔사(스컴)가 없는 우수한 현상성, 내알칼리성, 내수성을 갖는 스페이서의 형성 재료로서 적합한 네가티브형 감광성 수지 조성물을 제공하고, 또한 당해 수지 조성물로 형성된 스페이서 및 당해 스페이서를 갖는 액정 디스플레이 소자를 제공한다. 
     본 발명의 감광성 수지 조성물은, 알칼리 가용성 수지[A], 에틸렌성 불포화 결합을 1개 이상 갖는 화합물[B], 벤조페논 구조를 갖는 유기 과산화물 광중합 개시제[C] 및 4,4'-비스(디알킬아미노)벤조페논 구조를 갖는 감광제[D]를 함유하고, 경우에 따라 에폭시기를 갖는 알칼리 불용성 비닐 공중합체[A IS ]를 함유한다.
Patent KR-20020075939-A (KR)
Title: Appliances and methods for protecting data on the computer system
Inventor: YU CHOON YEOL
IPC: G06F15/00
Filed: 2001-03-26
Abstract: PURPOSE: A data protection method and apparatus on a computer are provided to develop a method and apparatus in order not to remain the contents inputted by the computer on the computer. CONSTITUTION: In a computer system(1), a keyboard input device(2) is connected to a Com port or ps/2 port. Other input device(3) can be connected to the Com port or the computer system directly. A separate computer system(8) has a self CPU(Central Processing Unit) and an input device, receives data from a PC(personal computer)(4) and transmits data to a remote computer directly. A method for inputting the transformed data is simple. However, the data must be converted to the original data or the original value must be recognized from the transformed data.
Patent KR-20020077734-A (KR)
Title: 3-dimensional picture displaying apparatus
Inventor: NISHIHIRA TAKASHI
IPC: H04N13/00
Filed: 2001-04-02
Abstract: PURPOSE: A stereoscopic image display device is provided to cut down the price of a stereoscopic image display device despite a wide screen, to prevent a user from the tiredness even in the long-time watching, and to make the user watch the display device easily. CONSTITUTION: A video player(1) comprises an analog/digital converter(13), a memory(18) for moving a digital two-dimensional image corresponding to the time difference of the left and right eyes and storing the original image as the image for the left eye and the image formed after movement as the stereoscopic image for the right eye, a reading unit(20) for reading the images at a high speed, and a digital/analog converter(21) for converting the digital signals to analog signals and generating a high-speed synchronizing signal. A TV receiver includes high-speed synchronizing signal generators, switches for selectively switching the normal-speed and high speed synchronizing signals, and a switching signal generator for generating a switching signal when a 3D(3-dimensional) signal(Q) is received. The image displayed at a high speed is recognized by liquid crystal shutter glasses.
Patent KR-20020078117-A (KR)
Title: Discharge device used also as a drain of cooling water in a radiator
Inventor: KWON DAE BOK
IPC: F01P11/02
Filed: 2001-04-04
Abstract: PURPOSE: A device for discharging or draining coolant of a radiator is provided to simplify the structure and manufacturing process of the radiator by integratedly forming a discharge device and a drain device. CONSTITUTION: A device for discharging or draining coolant of a radiator comprises a plurality of tubes, an upper and lower heads connected to the tube, an upper and lower tank connected to the upper and lower heads, a fin interposed between the tubes, a coolant discharge pipe(21) installed to the lower tank, a drain pipe(22) integratedly formed and communicated with the coolant discharge pipe to be cross, and an opening unit(23) shutting an end part of the drain pipe.
Patent KR-20010074196-A (KR)
Inventor: JONG TAE YON
IPC: E04B1/343
Filed: 2001-04-09
Abstract: PURPOSE: A floatable house structure is provided to float on the water by combining a panel with a frame separated from the ground and by filling a floating material having a lower specific gravity than water, into the lower portion of the structure. CONSTITUTION: A floatable house structure comprises a float as the bottom of a house with a floating frame(710) filled with a floating material having a lower specific gravity than water; a floor consisting of many panels(800) on the frame; a side wall consisting of many panels between many pillar frames(720) vertically combined to each other on the frame; a beam frame(730) connecting the pillar frames; and a roof(500) sealing the upper portion of the side wall by putting many panels on a roof frame(740). Thus, the house structure floats on the water in case of a flood and endures in case of an earthquake to a certain extend.
Patent KR-20020080019-A (KR)
Title: sprouting unmilled cultivation method
Inventor: KWAK HU YEONG
IPC: A23L7/152
Filed: 2001-04-10
Abstract: PURPOSE: Provided is a manufacturing method of germinated unmilled rice which contains abundant minerals and dietary fiber through simple process, thereby producing high quality of germinated unmilled rice cost effectively. CONSTITUTION: The manufacturing method of germinated unmilled rice comprises the steps of: hulling rice seeds to obtain unmilled rice; washing and selecting unmilled rice which is excellent in germination; soaking the selected unmilled rice in cold water for 72 hors; putting the soaked unmilled rice into a net then followed by covering it with an insulation cover and germinating for 72 hours; coating the surface of the germinated unmilled rice with pine needle extract; and drying it for 24 hours to the content of moisture and pine needle extract being 15%.
Patent KR-20020080504-A (KR)
Title: Detection method of resistance gene against diarrhea disease in pork
Inventor: CHO KWANG KEUN
IPC: C12Q1/68
Filed: 2001-04-11
Abstract: PURPOSE: Provided is a detection method of resistance gene against porcine epidemic diarrhea by examining resistance and susceptibility against Escherichia coli F18 receptor. CONSTITUTION: The detection method is characterized by the steps of: preparing primers for detecting mutation of FUT1 gene; and detecting a pig, which shows resistance against porcine epidemic diarrhea, by PCR using the prepared primers and a test sample collected from a pig. Wherein, the primers are selected from Int 1(SEQ ID NO:1), Int 2(SEQ ID NO:2), Ext 1(SEQ ID NO:3), Ext 2(SEQ ID NO:4) and Ext 2-2(SEQ ID NO:5); and PCR products are subjected to agarose gel electrophoresis.
Patent KR-20020079102-A (KR)
Title: Grain storehouse with rottenness sensor
Inventor: CHOI JONG JIN
IPC: A01F25/00
Filed: 2001-04-13
Abstract: PURPOSE: A grain storage house with a rottenness detecting device is provided to enable a manager to rapidly and conveniently recognize the rottenness of stored grain without looking into the interior space of the storage house, thus minimizing the loss of grain. CONSTITUTION: In the grain storage house having a roof(4) over a cylindrical wall(2), a grain hopper(6) and a diffuser(8) are formed at the top of the roof, an agitator(12) reciprocating along a rotating frame(10) is installed within the house, and a plurality of holes communicating with a blower are drilled on the floor of the house. In addition, a discharge conveyor(18) and a lead screw(16) rotating about a center discharge port(14) are installed on the floor, and a rottenness gas detecting sensor(24) connected with an alarm is installed near the grain hopper.