baber/WOPTO huggingface dataset:
Patent KR-20000010806-A (KR)
Title: Sugar surfactants combined with specific polyquaternium component
Inventor: BATOR PATRICIA E
IPC: C11D3/37
Filed: 1997-04-24
Abstract: PURPOSE: A sugar surfactant being combined with specific polyquaternium component is provided to improve the touching feeling characteristic of the surfactant by adding an effective amount of polyquaternium component to the sugar surfactant. CONSTITUTION: A surfactant composition containing:(a) a nonionic sugar surfactant selected from the group consisting of alkyl glucose esters, aldobionamides, gluconamides, glyceramides, glyceroglycolipids, polyhydroxy fatty acid amides, alkyl polyglycosides having general formula (I):R1O(R2O)b(Z)a wherein R1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R2 is divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbons atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6, and mixtures thereof; and (b) an additive consisting of a copolymer of acrylamide and dimethyl diallyl ammonium chloride.
Patent KR-20000051495-A (KR)
Inventor: HA DO SUN
IPC: F17C13/04
Filed: 1999-01-22
Abstract: PURPOSE: A valve for connecting a gas bottle and a system is provided to prevent gas leakage by operating a safety valve arranged at an outlet of a valve. CONSTITUTION: A valve(50) for connecting a gas bottle(1) and a system utilizing the gas supplied from the gas bottle(1), the valve(50) comprising an inlet(3) for introduction of gas from the gas bottle(1), an outlet(4) for discharging the gas introduced from the inlet(13), a handle(5) for controlling a gas flow path from the inlet(3) to the outlet(4), and a safety valve(20) arranged at the outlet(4) so as to control open/closing of the outlet(4), wherein the safety valve(20) is arranged outside the valve outlet(4). The safety valve(20) opens/closes the outlet(4) of the valve(50) by an air pressure and an electrical signal.
Patent KR-20000051685-A (KR)
Inventor: BAE DONG JOO
IPC: H01L21/027
Filed: 1999-01-25
Abstract: PURPOSE: A semiconductor mask and a manufacturing method thereof are provided to manufacture the semiconductor mask of precise pattern by a simple method without reducing the beam size. CONSTITUTION: According to a method for manufacturing a semiconductor mask, more than two light blocking films are formed in the semiconductor mask wherein a second first light blocking film(13) is formed on the side of a first light blocking film(11). After the first light blocking film is formed, the second light blocking film on the side of the first light blocking film with a specific width for controlling precisely to have a desired mask pattern size. According to the method, the first light blocking film is formed on top of a transparent glass substrate(G), and a photoresist film(12) is deposited on the top, and a photoresist pattern is formed by irradiating the photoresist film with a beam of a large beam size by data established by the size of the mask pattern to form. Then, a first light blocking of mask pattern size is formed by etching the first light blocking film with the photoresist pattern as a resist, and then the photoresist pattern is removed.
Patent KR-20000056284-A (KR)
Inventor: HONG JANG SIK
IPC: G01F23/62
Filed: 1999-02-18
Abstract: PURPOSE: A water level controlling device in water supplying tub is provided to maintain a constant height of water level in a tub by controlling a water supplying pump through a signal corresponding to the water level. CONSTITUTION: A water level controlling device in water supplying tub comprises a main body(1), a pipe(4), many perceiving sensors(6), a floating body(7) and a fixing member(9). The main body(1) of tube shape has a constant length. The pipe(4) is fixed to an upper end cap of the main body(1) and is mounted in the middle of the main body(1) in longitudinal direction. The perceiving sensors(6) are installed into the pipe(4) with connected to outside and has another lengths compared to each other. The floating body(7) is fitted to the outer periphery of the pipe(4) movably upwards/downwards, constituted by a raw material having sufficient buoyancy and has a magnetic ring(8) responding to each perceiving sensors(6). The fixing member(9) prevents the separation of the floating body(7) to outwards. Therefore, the water level controlling device controls the water level by controlling the drive of the pump device through the perceived signal.
Patent KR-20000061113-A (KR)
Inventor: SHIN HYEON JONG
IPC: A61K31/335
Filed: 1999-03-23
Abstract: PURPOSE: Paclitaxel injection concentrate improved in dissolve and stability of dilution is provided. Because co-precipitate of paclitaxel and polyvinylpyrrolidone is used in process of paclitaxel injection concentrate, paclitaxel can be dissolved speedily with just simple beating, compared to the conventional method. CONSTITUTION: Paclitaxel injection concentrate improved in dissolve and stability of dilution is characterized by following the steps: dissolving paclitaxel and polyvinylpyrrolidone into the anhydrous ethanol; making co-precipitate after lyophilizing or decompression and drying at 40°C or lower; and producing the paclitaxel injection concentrate. In this case, the k-value of polyvinylpyrrolidone is 10-20 and the weight ratio of the paclitaxel and the polyvinylpyrrolidone is 1:3-1:5.
Patent KR-19990078211-A (KR)
IPC: B32B27/36
Filed: 1999-03-24
Abstract: 본 발명은 80중량% 이상이 열가소성 폴리에스테르로 구성된 기저 층과 하나 이상의 외층을 갖는 투명한 이축 연신된 폴리에스테르 필름에 관한 것으로, 외층은 에틸렌 2,6-나프탈레이트 단위 35mol% 이상, 에틸렌 테레프탈레이트 단위 44mol% 이하, 에틸렌 이소프탈레이트 1 내지 20mol%, 및 설포-치환된 디카복실산 20mol% 이하 및 임의의 지환족 또는 방향족 디올 및/또는 디카복실산으로부터의 단위 10mol% 이하(각각의 경우 디카복실산 또는 디올의 전체 함량을 기준으로 함)를 포함하는 공중합체 또는 중합체 혼합물로 이루어져 있다.
Patent KR-19990083342-A (KR)
IPC: G11B5/127
Filed: 1999-04-20
Abstract: 본 발명의 자기헤드 (J) 는  타측이 개방된 한쌍의 제 1 가이드 홈 (16a) 과, 이 제 1 가이드 홈 (16a) 에 연이어 형성되고 일측이 개방된 제 2 가이드 홈 (16c) 을 가지며, 제 1 가이드 홈 (16a) 과 제 2 가이드 홈 (16c) 에서 접속단자 (13) 의 좌우방향 (화살표 X) 과 일측과 타측의 움직임을 규제하도록 하였다.
Patent KR-20000067670-A (KR)
Inventor: PARK SO YEONG
IPC: H01J29/48
Filed: 1999-04-30
Abstract: PURPOSE: An electron emission device of electric gun for cathode ray is provided to lengthen the lifetime of the electron emission device by thick spreading thickness of carbonate core and to cut down the ignition time of initial screen by shortening the gap between a heater and a cap. CONSTITUTION: An electron emission device of electric gun for cathode ray comprises a heater(16), a carbonate(18) and cap(20). The heater(16) emits the heat in interior of sleeve(14). The carbonate(18) is spread on the top of cap(20) flatly. The core of cap(20) is formed in concave. Accordingly, the core of carbonate(18) is thicker than the edge of carbonate(18).
Patent KR-19990068401-A (KR)
Filed: 1999-05-15
Abstract: 현재 국내외에서 행해지는 도로노면 표지작업의 단점을 개선, 전 작업공정을 자동화 함으로써 도로 노면 표시 작업에 필요한 인원, 장비를 최소화하며 소요비용, 시간을 절감하기 위한 장치이다. 
     기존 도로 노면 표시 작업의 경우 
     1.    차량, 노면표시도장기, 공사중 표시판, 차량유도등, 안전요원, 작업자 차량운전자등 많은 장비와 인원이 요구되는 작업이다. 
     2.     작업시 작업 차량 및 장비등이 도로를 점거하므로 인근 일대에 극심한 교통체증을 유발하였다. 
     3.     작업시 도안된 노면 표시위에 작업해야 하므로 주간에만 작업이 가능하였다. 
     4.     한정된  시간내의 작업이므로  작업량이  많지  않으며,  교통량에 의해 표시작업이 연기 및 지연되었다. 
     5.    노면 표시작업을 위한 사전작업 ( 노면표시의 도안( 밑그림)이 필요로 하였다. 
     이러한 기존 도로노면 표시작업의 단점을 극소화 시키고, 작업공정의 자동화를 실현하여 
     1.    기존작업에 필요한 많은 장비 및 인원을 최소화할 수 있다. 작업  차량에  부착된  도장기로 노면에  바로  작업하므로  안전요원 및 작업인원이 거의 필요치 않으므로 비용절감 및 작업량 극대화의 효과를 바라볼 수 있다. 
     2.     작업시  도로를 점거하지  않고 이동하면서  작업이  즉각 작업을 할 수 있으므로 교통 체증을 유발시키지 않는다. 
     3.     입력된 Data를 바로 작업에 필요한 Data로 변환하므로 기존 도로 작업같이 사전도안 작업이 필요없으며, 야간에도 작업이 가능하다. 
     4.     작업시간이 한정되지 않으므로  수시 작업이 가능하며, 이동 작업이므로 교통량에 의한 작업지연, 연기가 되지 않는다. 
     5.     노후된 노면 표시의 경우 Paint할 부분을 카메라 영상처리로 노후 노면 표시제거 작업없이 실시간 작업처리로 Over-Painting작업을 실행할 수 있다.  이러한 작업 공정의 자동화로 인해 작업의 효율성을 극대화 할 수 있다.
Patent KR-20000074659-A (KR)
Inventor: CHUNG BO YOUNG
IPC: G01K13/02
Filed: 1999-05-24
Abstract: PURPOSE: A heating condition measuring apparatus is provided to grasp the heating condition of a heated substance at a long distance and to heat up the heated substance to the optimum temperature exactly. CONSTITUTION: A heating condition measuring apparatus comprises; a sensor (1) composed of an acceleration sensor (1a), which senses the movement speed of a heated substance when applying heat to a liquid heated substance, and a pressure sensor (1b), which senses the internal pressure of a vessel filled with a heated substance when applying heat to a liquid heated substance; an amplifier (2) which amplifies the output signals sensed from a sensor (1); a filter (3) to filter out the signals for specific parts out of the signals output from an amplifier (2); a signal processing unit (4) which processes the sensing signals filtered from a filter (3) to decipher easily; a decipherment unit (5) which deciphers the heating condition of a heated substance by deciphering an oscillation frequency of signals input from a signal processing unit (4) and the magnitude of signals; a control unit (7) which controls the deciphered result output from a decipherment unit (5) to be transmitted to an outer apparatus connected through an aerial communications net and the movement of a heating substance which heats up a heated substance according to the control directions input from an outer apparatus; a memory (6) which stores program necessary for the movement of a control unit (7) and phonetic data; a communication module (8) which transmits and receives data between a measuring or control instrument connected through an aerial communications net and a control unit (7) mutually.
Patent KR-20000074937-A (KR)
Inventor: KWON O CHEOL
IPC: H04N7/18
Filed: 1999-05-27
Abstract: PURPOSE: A videophone having a function of compressing/encoding a still image transmits high quality images to use it as a terminal of a security system. CONSTITUTION: The videophone having a function of compressing/encoding a still image comprises: an image encoder/decoder(36) for encoding an image input through a camera(10) or decoding a received image signal to provide a monitor(22) with the encoded or decoded signal; a voice encoder/decoder for encoding or decoding a voice signal; a multiplexer/demultiplexer(38) for multiplexing a result encoded by the image encoder/decoder and the voice encoder/decoder or demultiplexing the received image signal and voice signal to provide the image encoder/decoder and the voice encoder/decoder with the multiplexed or demultiplexed signals; and a network connecting part, the image encoder/decoder comprising: a converting part(32) for converting an NTSC/PAL signal input through the camera into a CIF(Common intermediate format), or vice versa; a moving picture codec part for encoding the CIF/QCIF image supplied from the converting part through an encoding way of H.261, H.263, or vice versa; and a still image encoding part(46) for encoding the CIF image into a still image through a JPEG encoding way.
Patent KR-19990068556-A (KR)
Title: 전자식운행기록장치와운행기록데이터의통신시스템
Filed: 1999-06-02
Abstract: 본 발명은 차량의 운행기록계통을 전자식으로 구현하여 차량의 운행속도변화를 초단위로 기록할 수 있도록 함과 더불어 그 운행기록데이터를 장기간 보존 및 관리하는 것이 가능하도록 된 전자식 운행기록장치와 운행기록데이터의 통신시스템을 제공한다. 
     이를 위해 본 발명은 프로그램모드의 설정치를 입력하고, 운행기록데이터를 확인조회하는 키입력을 수행하는 키입력수단과, 차량의 운행상태를 초단위로 검출하여 수집한 운행기록데이터를 저장하는 데이터저장수단, 제어프로그램에 의거하여 차량의 운행상태를 검출하여 수집한 운행기록데이터를 상기 데이터저장수단에 저장시킴과 더불어, 상기 키입력수단에 의한 확인조회시에 그 운행기록데이터가 확인가능하게 표시 및 프린트출력되도록 제어처리하는 제어수단, 데이터저장수단으로부터의 운행기록데이터에 의해 차량의 운행상태를 가시적으로 표시하는 표시수단 및, 상기 운행기록데이터를 기록지에 프린트출력하는 프린트출력수단을 포함하여 구성되고; 다수의 차량에 각각 설치된 다수의 운행기록장치가 해당되는 차량으로부터 수집한 각각의 운행기록데이터를 외부에 무선전송처리하게 되면, 메인 컴퓨터장치에서 다수의 운행기록장치로부터의 운행기록데이터를 각각 수집저장 및 운행상태의 확인조회를 위해 출력처리를 행하도록 구성된 것을 특징으로 한다.
Patent KR-20010002002-A (KR)
Inventor: KIM GYU UNG
IPC: H04B1/7083
Filed: 1999-06-10
Abstract: PURPOSE: A method for fast searching a cell of a CDMA(code division multiple access) communication system is provided to obtain a cell through a scramble code as well as frame synchronization during cell searching in a CDMA communication system. CONSTITUTION: A correlator(311) correlates a second synchronization code with the received signals from each slot of a second synchronization channel. An accumulator(312) accumulates the output of a matched filter(311) per slot and a decider(313) decides the output of the accumulator(312). The decider(313) decides a scramble code index as plus or minus 1 depending on if the accumulator(312) has a positive or negative code. The correlator(311) obtains the scramble code index depending on the code by correlating the second synchronization code obtained by frame synchronization.
Patent KR-20010002258-A (KR)
Inventor: LEE JEONG HUI
IPC: A23L13/00
Filed: 1999-06-14
Abstract: PURPOSE: A manufacturing method of pork cutlet by using cheese is provided, to prevent melted cheese liquid from falling out of the fried pork cutlet by coating pork cutlet with cheese and dumpling skin before a step of quick freezing the pork cutlet covered with flour, egg and bread crumb. CONSTITUTION: The manufacturing method of pork cutlet comprises the following steps. Sirloin of pork meat is cut into 1.5-2cm(10). The cut sirloin is soften by beating with a softening hammer(20). The softened pork is marinated with seasonings for 12 hours(30). The marinated pork is coated with soft processed cheese(40). A dumpling skin covers the cheese-coated pork(50). The pork is coated with flour, eggs(60) and then bread crumbs(70). The coated pork is quick frozen at -3 5deg.C for 12 hours(80) and packed in a final step(90). The pork cutlet coated with cheese provides more nutrition for improving the growth of children.
Patent KR-20000006367-A (KR)
Title: Digital digitizer coordinate input system
Inventor: GATSRAHIRAYUJI
IPC: G06F3/033
Filed: 1999-06-22
Abstract: PURPOSE: The digital digitizer coordinate input system is provided to improve the detecting efficiency of an input system like pointer without interrupting system's action. CONSTITUTION: The digital digitizer tablet transmits electromagnetic wave including digital signal to corresponding pointer(eg. stylus, mouse, etc.). A resonance circuit of the pointer receives the electromagnetic wave transmitted from the tablet. The pointer reverse-transmits the electromagnetic wave to the tablet. The reverse-transmitted wave is digital signal which indicates the pressure put by the pointer located on the electromagnetic wave. The digital digitizer coordinate system can transmits a digital identity data of pointer to the tablet without interrupting operation of the system.
Patent KR-19990068823-A (KR)
Title: 육고기두부의제조방법
IPC: A23L11/00
Filed: 1999-06-25
Abstract: 본 발명은 육고기 두부의 제조방법에 관한 것으로, 영양식으로 또는 간식용, 고급 술안주 등으로 각광받을 수 있는 특징이 있다. 
     이는 다음과 같이 제조된다. 
     대두를 세척한 후 파쇄하고 이를 여과시켜 콩물을 채취한 다음 상기 콩물을 끓여서 응고시키는 공정으로 된 순두부의 제조방법에 있어서; 
     상기 콩물을 항온용기에 넣어 85∼100℃의 온도범위 안에서 보관시키는 제 1 공정,  육고기의  살을 채취하여  스팀용기에  넣은 후 90℃의  열을 가하면서 익히는 제 2 공정, 상기의 익은 육고기를 분쇄기에 넣고 10∼20mm의 크기로 분쇄시켜 영하 20℃ 이하의  냉동고에서 급속냉동을 시킨 후 영하 1℃의  냉동고에 저장하는 제 3 공정,  상기  냉동된 육고기를 분쇄기에  넣고 40∼60메시의  크기로 분쇄시켜 3℃의 냉장고에 보관시키는 제 4 공정, 상기 콩물 80중량/%와 상기 육고기 19.5중량/%, 응고제(황상칼슘) 0.5중량/%를 교반기에 투입시켜 15∼25초 동안 교반시키는 제 5공정, 상기 제 5 공정을 완료시킨 후 15분 동안 자연 방치시키는 제 6 공정, 상기 제 6 공정을 거친 반제품을 분쇄기에 투입, 10∼30mm의 크기로 분쇄시키는 제 7 공정, 상기 제 7 공정을 거친 반제품을 자동성형틀에 가득 넣고 피스톤으로 7Kg/cm 2 의 압력을 가하여 9∼12분 동안 압착하여 수분을 제거시켜서 완성시킴을 특징으로 한다.
Patent KR-20010003974-A (KR)
Inventor: HA JAE CHEOL
IPC: C02F3/30
Filed: 1999-06-26
Abstract: PURPOSE: Provided is an advanced wastewater system using double oxidation ditch, which is anoxic oxidation tank and aerobic oxidation tank, for simultaneous nitrogen and phosphorus removal. The system is characterized in that wastewater is flowed in an '8'-type from the anoxic oxidation tank to the aerobic oxidation tank, and continuous aeration is adopted. CONSTITUTION: The system comprises the following sequential steps: wastewater is flowed into the anoxic oxidation tank (10), and circulated through a pathway by a propeller (40); a portion of wastewater of the anoxic oxidation tank (10) is flowed into the aerobic oxidation tank (20) through a circular pathway (61) by baffles (51)(52); at the same time, a portion of wastewater of the aerobic oxidation tank (20) is flowed into the anoxic oxidation tank (10) through a circular pathway (62) by baffles (53)(54); wastewater of the aerobic oxidation tank (20) is flowed into a sedimentation device (30) for solid/liquid separation; and wastewater, solid/liquid separated, is discharged to exterior of the system through an orifice pipe/weir (90). Dissolved oxygen concentration is controlled by an air compressor (70) and an air nozzle (80) in the aerobic oxidation tank (20).
Patent KR-20000022670-A (KR)
Inventor: HUKUSHIMA MASAMITH
IPC: G06F3/033
Filed: 1999-07-20
Abstract: PURPOSE: A device and method for sensing, detecting and indicating the magnetic force are provided to detect the magnetic force in the 3 dimensional area by calculating the magnetic force through the detected signal of the plurality of colis of the detecting means. CONSTITUTION: A device comprises a device for indicating the magnetic force(101), a sensor for detecting the magnetic force(102), a ball(103), and a coil for indicating the magnetic force(104). The magnetic force detecting device comprises a magnetic force indicating device, magnetic force detecting sensor and the magnetic force detecting part. The magnetic indicating device(101) comprises the ball(103) and three coils for indicating the magnetic force which crosses one another are installed inside the ball. The magnetic force indicating device is installed at the plate which is formed at the center(O) of the magnetic force detecting sensor(102) when detecting the magnetic force of the magnetic force indicating device.
Patent KR-20010011601-A (KR)
Inventor: KIM JONG SAN
IPC: G06K15/02
Filed: 1999-07-29
Abstract: PURPOSE: A printer and a method for processing print data are provided to store permanently print data which are repeatedly printed. CONSTITUTION: A number of user's computer are connected via network to a printer(30) for sharing use of the printer(30). The printer(30) comprises a controller(31), an input device(32), a display(33), a print engine(34), a storage device(35) and a telecommunication device(36). The controller(31) controls each part of the printer(30). The telecommunication device(36) receives print data and information of print specification from the computer. The print engine(34) prints an image corresponding to the image data transmitted from the controller(31). The storage device(35) comprises a temporary storage(35a) storing received print data temporary and a permanent storage(35b) storing received print data permanently. The print data transmitted from a computer is stored in the permanent storage(35b) under control of the controller(31) when the print mode of the computer is set to storage mode. The print data in the permanent storage(35b) is deleted from the permanent storage(35b) under control of the controller(31) when a delete mode is executed at the computer.
Patent KR-20000017120-A (KR)
Inventor: TAKEWU TCHIATCHSHI
IPC: G11B11/105
Filed: 1999-08-06
Abstract: PURPOSE: A magneto-optical recording medium and magneto-optical recording/reproducing apparatus is provided, which records and reproduces an information signal from/to a magneto-optical recording media. CONSTITUTION: The magneto-optical recording/reproducing apparatus comprises: a disk rotation driving device (21) for rotating a magneto-optical disk (1); an optical head unit (22) for emitting a laser beam to the magneto-optical disk (1); a magnetic head unit (23) for providing a magnetic field to the magneto-optical disk (1); a reproducing clock generating unit (24) for generating a certain reproducing clock; and a system LSI (25) for controlling the operation of the disk rotation driving device (21). Thereby, it is possible to has a high recording density in the magneto-optical recording/reproducing.
Patent KR-20010017703-A (KR)
Inventor: KIM JEONG SIK
IPC: B65D19/10
Filed: 1999-08-13
Abstract: PURPOSE: An exclusive pallet of rubber material is provided to easily assemble and disassemble four side plates and a bottom plate and to safely keep and carry tires or various rubber products. CONSTITUTION: An exclusive pallet of rubber material includes a bottom plate(2) and four side plates(4,6,8,10). The bottom plate has insertion holes(18,20) formed at each edge, latch holes(24,26) formed on the outer surface of the insertion holes and caught to latch pins(38,40) projecting on the outer surface of projections(32,34) of the front and rear side plates, elongated insertion holes(28) formed between the front and rear side plates located on the bottom plate for inserting the lower ends of the right and left side plates. The front and rear side plates respectively have a sliding part, on which a spring is elastically mounted, at both sides of the upper portion and locking parts(42,44,46) connected to the sliding part and having a grip. The right and left side plates respectively have connection sections(52,54,56) welded to the upper and outer sides at a proper height. When assembled, the locking parts are rotated and connected to the connection sections. The right and left side plates have supporting sections(12,14,16) hinged at front and rear portions of the upper part.
Patent KR-20010018448-A (KR)
Inventor: KIM JAE HUN
IPC: B21K1/18
Filed: 1999-08-19
Abstract: PURPOSE: A method for manufacturing warm forging of a piston for an air compressor of an automobile is provided to increase the life of mold and to perform working processes in bulk for productivity by finally molding heated material through a preliminarily molding process. CONSTITUTION: A method for manufacturing warm forging of a piston for the air compressor of the automobile includes the steps of preliminarily molding heated material through a blocker process, finishing the preliminarily formed material through a finisher process, and forming the finishing-molded material through a trimming process, thereby manufacturing forging products. Parting agent is injected into a mold (8) of the finisher process and a blocker process to increase the life of the mold.
Patent KR-20010019586-A (KR)
Inventor: PARK HONG SEON
IPC: C21C5/28
Filed: 1999-08-28
Abstract: PURPOSE: A refining method for minimizing nitrogen in molten steel is provided to prevent nitrogen from being adsorbed in steel, thereby manufacturing steel containing a low content of nitrogen in a converter by maximizing covering effect using slag foaming at the end of blowing and during reblowing in a converter, thereby blocking air of outside. CONSTITUTION: A refining method for minimizing nitrogen in molten steel comprises the processes of measuring a height of slag foam using a sub lance of a converter during blowing or reblowing in a converter, and adding 0.5 to 2 tons of dolomite or mill scale per a converter as a slag foaming promoter, thereby maintaining a height of the slag foam to 2 to 6 m so that air of outside is blocked by covering effect so as to prevent nitrogen from being adsorbed in the molten steel.
Patent KR-19990083952-A (KR)
Title: 선체 경사각에 무관하게 양의 복원력을 유지할수 있는선박의 복원력 유지 장치
IPC: B63B39/00
Filed: 1999-09-02
Abstract: 선체의 추진 저항을 증가시키지 않고도, 선체의 경사각에 무관하게 항상 양의 복원력을 가지게 하며, 따라서 선체가 완전히 전복되어 있을 때 조차도 직립 상태로 복원될 수 있게 하는 선체의 복원력 유지 장치를 개시한다. 본 발명의 자동 수밀 장치는 지연실을 형성하는 제 1 격벽, 제 2 격벽 및 상판을 포함한다. 상기 상판의 전방 부분에는 개구가 형성되어 있으며, 개구의 후방으로는 상판으로 부터 하방으로 연장하는 지연 거더가 상판에 고정되어 있다. 상판의 개구의 전단에는 피벗핀이 설치되고, 이 피벗핀을 중심으로 회동 가능하도록 자동 수밀 해치가 설치되어 있다. 선박이 소정의 경사각 이하로 경사되었을 때 상기 해치는 개구를 개방 상태로 유지함으로써 공기가 엔진실 내로 유입되며, 상기 선박이 소정의 경사각 이상으로 경사되었을 때 해치는 개구를 폐쇄함으로써 물이 엔진실로 유입되는 것을 방지하는데 이러한 해치는 별도의 동력없이 중력에 의해 작동된다.