baber/WOPTO huggingface dataset:
Patent KR-20030076890-A (KR)
Title: Polyester non-woven composite sheet having excellent sound-absorbing and sound-blocking properties and manufacturing method thereof
Inventor: PARK YUN TAE
IPC: E04C2/26
Filed: 2002-03-23
Abstract: PURPOSE: A polyester non-woven fabric composite panel having sound absorption and -insulation functions and a manufacturing method thereof are provided to improve absorption and insulation, heat insulation, shock and vibration absorption functions and accordingly use as interior and exterior materials for buildings and boards for a partition screen. CONSTITUTION: A polyester non-woven fabric composite panel having sound absorption and insulation functions is composed of a rubber panel layer(1) for increasing the efficiencies for absorbing and insulating sound waves and polyester non-woven fabric layers(3,5) adhered to a side or both sides of the rubber panel layer to absorb and insulate sound waves. The polyester non-woven fabric layer is made by randomly mixing 30¯90 weight percent of polyester fiber having the high fusing point and 10¯70 weight percent of polyester fiber of which the low fusing point is lower than the polyester fiber of the high fusing point, with over 20 degrees.
Patent KR-20030077863-A (KR)
Title: Multi-exposure method with increased overlay accuracy and recording medium in which the exposure method is recorded
Inventor: PARK JUN SU
IPC: H01L21/027
Filed: 2002-03-27
Abstract: PURPOSE: A multi-exposure method and a record medium for recording the same are provided to be capable of improving the accuracy of overlay by using more than two sub-layouts. CONSTITUTION: Overlay parameters are calculated corresponding to each sub-layout for a multi-exposure. Then, the overlay parameters are inputted to an exposure equipment(400). After obtaining the last alignment parameters by correcting the inputted overlay parameters using the second parameters, which are obtained by carrying out a self-alignment according to each sub-layout, a compulsory correction is carried out(410,420). After exposing all the sub-layouts, a development process is carried out at exposed photoresist(430,440).
Patent KR-20030079220-A (KR)
Title: Electric-photographic ptinter having see-through printing material passage
Inventor: YOON JEONG YEONG
IPC: G03G15/00
Filed: 2002-04-02
Abstract: PURPOSE: An electrophotographic image forming device showing a paper transfer path is provided to easily remove paper jam by showing the paper transfer path and a position where paper jam is generated. CONSTITUTION: A plurality of feeding cassettes(1) are loaded with a plurality of printing papers and supply the printing papers one by one. A developing unit(3) transfers a predetermined picture to the supplied printing paper. A fusing unit(5) fuses the picture transferred to the printing paper. A paper discharging unit(7) discharges print-terminated printing paper. The components are assembled in a frame(15). A cover(17) covers the frame and one surface of the cover is formed of a transparent material to show transfer states of the printing papers.
Patent KR-20030080609-A (KR)
Title: A Casing Structure of Gear Pump
Inventor: KIM SOON JIN
IPC: F04C2/14
Filed: 2002-04-09
Abstract: PURPOSE: A structure of a casing of a gear pump is provided to allow fluid introduced into and discharged from the casing to diffuse in the casing. CONSTITUTION: A casing(3) has a circular peripheral surface, an inside divided into an upper part and a lower part formed circularly, both side parts connected with the upper part and the lower part and formed linearly, and square fluid diffusion parts(30) connected with an inlet port(13) of an inlet part(12) and an outlet port(15) of an outlet part(14), and having volume ratio larger than volume ratio of the inlet port and the outlet port to allow fluid flowing in the inlet port and the outlet port to diffuse. The fluid diffusion parts are formed to be connected with the inlet port and the outlet port, respectively, to allow fluid to flow in and be discharged from the casing and to allow fluid flowing in and out to smoothly flow. Both sides of the fluid diffusion parts are placed in diameters of the inlet port and the outlet port, respectively, so that widths of the fluid diffusion parts are smaller than the diameters of the inlet port and the outlet port. Upper sides and lower sides of the fluid diffusion parts are placed on outsides of the inlet port and the outlet port, respectively, so that heights of the fluid diffusion parts are formed larger than the diameters of the inlet port and the outlet port.
Patent KR-20030082196-A (KR)
Title: Heat Exchanger of Gas Boiler
Inventor: CHOI JIN MIN
IPC: F24H1/43
Filed: 2002-04-17
Abstract: PURPOSE: A structure of a heat exchanger for a gas boiler is provided to improve combustion efficiency by using a heating pipe having heating pins, and to reduce the discharge of NOx. CONSTITUTION: Heating pipes(6) has heating pins(5), and covers a firebox(3). An inner case(7) is installed at intervals from the heating pins, and forms the firebox. A middle case(9) is installed at intervals from the inner case, and is communicated with a flue(8). An outer case(11) has an air guide passage(10) installed at intervals from the middle case, and takes the place of an insulating material.
Patent KR-20020083498-A (KR)
Inventor: BUNKER RONALD SCOTT
IPC: F01D5/18
Filed: 2002-04-26
Abstract: PURPOSE: A turbine assembly having a turbine blade with a cooling tip shroud is provided to distribute cooling media along the fragile surface of the tip shroud efficiently not to scallop the shelf of the tip shroud by cooling the portion of the tip shroud sufficiently. CONSTITUTION: A turbine blade having a tip shroud(20) comprises a blade attachment portion and a radially extended turbine airfoil integrally formed with the blade attachment portion. The turbine airfoil has a plurality of cooling passages(16). The tip shroud is affixed to a top portion of the airfoil, and comprises a plurality of circumferential cooling channels(24) disposed substantially parallel to the rotation of the airfoil. Each circumferential cooling channel is in communication with the respective cooling passage, and at least one exit port(26) is in communication with at least one of the circumferential cooling channels. Cooling media are distributed sufficiently and evenly along the brittle surface of the tip shroud not to scallop the shelf of the shroud.
Patent KR-20020085810-A (KR)
Inventor: KIMURA TOHRU
IPC: G11B7/1353
Filed: 2002-05-06
Abstract: PURPOSE: To provide an objective lens for recording and reproducing the information of an optical information recording medium whose diameter is small and whose working distance is long even if it is an objective lens having a high NA, and where axial chromatic aberration in the case of using a short wavelength light source is compensated, and to provide a condensing optical system for recording and reproducing the information of the optical information recording medium using the objective lens, and to provide an optical pickup device therefor and a recording and reproducing device therefor. CONSTITUTION: This objective lens 6 is used for recording and reproducing the information of the optical information recording medium and is a single lens having at least one aspherical surface. It is a finite conjugate type one for condensing divergent luminous flux from a light source on the information recording surface of the optical information recording medium and satisfies NA>=0.70 (NA: specified image-side numerical aperture required for recording on and/or reproducing from the optical information recording medium). Then, the objective lens has zonal diffraction structure on at least one surface and satisfies NA>=0.70.
Patent KR-20020050203-A (KR)
Inventor: LEE KEUN JIG
Filed: 2002-05-21
Abstract: PURPOSE: A video advertisement technique displayed in a desired place is provided to increase the effectiveness of an advertisement by simultaneously and usually displaying all sorts of advertisement videos in each frame split of a monitor screen. CONSTITUTION: A computer(101), a monitor(102), a GPS(Global Positioning System) receiving unit(103), a radio communication unit(104) and a control unit(105) are installed in a vehicle(100). A monitor screen for outputting videos is split according to fixed standards. After that, files produced suitable for each frame standard split of the monitor screen are formed in the form of an independent folder according to types. In addition, the files are embedded in the changeable form. Each file is simultaneously outputted to each position of frame in the changeable type of screen split according to an operation program.
Patent KR-20030091112-A (KR)
Title: A over-pressure safety system for portable gas range
Inventor: PARK JIN HA
IPC: F24C3/12
Filed: 2002-05-22
Abstract: PURPOSE: An overpressure safety apparatus for shutting off a passage in a portable gas range is provided to prevent explosion of a gas container by shutting off the gas flow passage with the overpressure safety apparatus in a governor and extinguishing fire in increasing internal pressure of the gas container from radiation heat. CONSTITUTION: In mounting a gas container in an injection port(71) of a governor, a gas inlet groove(73b) is opened by an opening ring(75) with moving an injection valve member(74-1) with compressing an injection spring(78-1). Gas flows through the gas inlet groove and a passage groove(74b) to a horizontal hole(79), and moves to a decompression chamber(80) through a passage(79a). Ignition is performed by a piezoelectric device with moving decompressed gas to a burner. A shutoff ring(76) is contacted to a fitting protrusion(79c) of the horizontal hole in increasing internal pressure of the gas container to 5-7 kg/cm2 or 4-6 kg/cm2 against resilience of a safety spring(78), and fire of the burner is extinguished by shutting off the passage. Return of the valve member is prevented by inserting a shutoff protrusion of a return restricting plate(60) to an insertion groove(74f). The return restricting plate is turned by turning a gas regulating knob, and the valve member is returned by displacing the shutoff protrusion from the insertion groove.
Patent KR-20020073102-A (KR)
Inventor: PARK YOUNG JIN
IPC: B60Q1/50
Filed: 2002-06-11
Abstract: PURPOSE: A greeting lamp is provided to soften and comfort a wild and dry driving culture and to prevent traffic accidents. CONSTITUTION: In acting rudely, conceding or expressing thankfulness for the concession, another lamp in front or back of a vehicle is lighted instead of an emergency light. The lamp is controlled by a switch around a steering handle. The color of the lamp is fixed in one color.
Patent KR-20030095588-A (KR)
Title: Fabricating method of gate oxidation layer in semiconductor device
Inventor: KIM HAK DONG
IPC: H01L21/336
Filed: 2002-06-12
Abstract: PURPOSE: A method for forming a gate oxide layer of a semiconductor device is provided to be capable of improving the insulating characteristic of the gate oxide layer by sequentially carrying out predetermined processes at the upper portion of a well near the surface of a substrate before forming the gate oxide layer. CONSTITUTION: After forming an isolation layer(202) at an isolation region of an insulating substrate(201), a well(203) is formed at the predetermined inner portion of the resultant structure by implanting well ions into the entire surface of the insulating substrate. A nitrogen ion layer(204) is formed near the surface of the insulating substrate by implanting nitrogen ions into the entire surface of the resultant structure. A sacrificial layer is formed on the surface of the insulating substrate for preventing the nitrogen ions from diffusing to an unwanted direction, while activating the well by carrying out heat treatment. After removing the sacrificial oxide layer, a gate oxide layer(206) is formed on the entire surface of the resultant structure.
Patent KR-20030095774-A (KR)
Title: press device forming brackets into pipe-types
Inventor: PARK JONG HO
IPC: B21D5/10
Filed: 2002-06-14
Abstract: PURPOSE: A link device is provided which is installed at a press for forming the metal sheet into a pipe shape by punching a metal sheet so that the link device is moved integrally along with a driving source of the press and inserts core pipe into a 'U' character shaped workpiece and draws out the core pipe from the workpiece. CONSTITUTION: In a press machine comprising a semicircular warping die, a core pipe(287) inserted into a 'U' character shaped workpiece formed in a certain curvature and drawn out from the 'U' character shaped workpiece, and a semicircular warping punch to bend the 'U' character shaped workpiece in a pipe shape, the press device for passing a pipe shaped bracket comprises a fixed link(281) which is installed on an upper surface of a lower base, and which is hinge fixed by a first pin(284) so that the fixed link(281) is rotationally moved; a sliding block(283) which is installed on an upper surface of the lower base, slidingly moved and connected to the core pipe(287) to the side of the warping die; an operating link(282) connected to the fixed link(281) by a second pin(285) and connected to the sliding block(283) by a third pin(286); an upper link driver(110) adhered to a lower surface of the upper base to insert the core pipe(287) into the sliding block(283) by pressing the second pin(285); and a drawing unit for drawing out the core pipe(287).
Patent KR-20030097273-A (KR)
Title: an intercooler cooling device of vehicles
Inventor: YEO BYEONG O
IPC: F02B29/04
Filed: 2002-06-20
Abstract: PURPOSE: A device for cooling an intercooler for a vehicle is provided to improve the performance of an engine by preventing the cooling efficiency of the intercooler from lowering at high-speed running. CONSTITUTION: A device for cooling an intercooler(10) for a vehicle comprises a first oil chamber(21) covering an inflow chamber(11) in the intercooler, a second oil chamber(22) covering a discharge chamber(12) in the intercooler, a connection tube connecting the first oil chamber with the second oil chamber, a steering oil reservoir(30) connected to the first oil chamber by an inlet tube(24) and to the second oil chamber by a discharge tube(25), an oil pump(40) installed at the inlet tube, a motor(60) rotating a cooling fan(50), a clutch(70) installed between a rotary shaft of the motor and a driving gear of the oil pump, and a control unit. The control unit converts the clutch into power transmission state when wheel speed is more than set speed.
Patent KR-20040000751-A (KR)
Title: A preperation method of valienamine from validamycin using trifluoroacetic acid
Inventor: HUH YUL
IPC: C07C209/62
Filed: 2002-06-25
Abstract: PURPOSE: A method for preparing valienamine from validamycin by using trifluoroacetic acid (TFA) is provided, to improve the production yield of valienamine by allowing only pseudodisaccharide to be produced as by-products and enhancing the purifying efficiency. CONSTITUTION: The valienamine is prepared from validamycin as a reaction substrate by using trifluoroacetic acid by selective hydrolysis. Preferably the validamycin is at least one selected from the group consisting of validamycin A, B, C, D, E, F and G. The final concentration of validamycin is 0.2-10 %, and the concentration of trifluoroacetic acid is 10-60 %. Preferably the reaction is performed at a temperature of 80-120 deg.C for 1-24 hours, and the reaction is performed in an autoclave.
Patent KR-20040000972-A (KR)
Inventor: KANG MAN SEOK
IPC: H01L27/115
Filed: 2002-06-26
Abstract: PURPOSE: A method of manufacturing non-volatile memory device is provided to improve morphology of floating gate pattern. CONSTITUTION: After a gate oxide layer(104) is grown on a semiconductor substrate(100), the first conductive layer for a floating gate is deposited upon the gate oxide layer. A buffer oxide layer is formed on the first conductive layer and a reflection stop layer is formed on the buffer layer. The reflection stop layer is then patterned to form a reflection stop pattern. A spacer(114a) is formed at the side wall of the reflection stop pattern. By using the spacer(114a) as an etch-stop, the buffer layer and the first conductive layer are etched to form the first conductive layer pattern(106a) and the buffer layer pattern(108a). After an oxide layer(116) is formed at the side wall of the first conductive layer pattern(106a), the spacer(114a), the oxide layer(116) and the buffer layer pattern(108a) are removed.
Patent KR-20030014565-A (KR)
Title: Telescoping support device for fastener driving tool
Inventor: KOBETSKY ROBERT G
IPC: B25C7/00
Filed: 2002-06-28
Abstract: PURPOSE: A telescoping support device of a tool for driving a fastener is provided to effectively prevent wrong alignment of the fastener in driving the fastener and to support and stabilize not only the parallel array or strip of the fastener but also a second uppermost fastener, to prevent impact force, followed by driving the fastener, from being transmitted to the parallel array or strip of the fastener. CONSTITUTION: A support device(28) for use within a tool(10) for driving a fastener(14) is fixedly attached to a tool's workpiece contact element(26) so as to be movable between extended and retracted positions. When the workpiece contact element and the support device mounted are moved to the retracted position, a pocket or recessed portion of the support device will envelop a tip portion of a second uppermost fastener(14-2) disposed within the tool magazine, while a first uppermost fastener(14-1) is disposed within a tool drive bore, such that the second uppermost fastener, as well as the remaining fasteners within the magazine, is properly supported and stabilized such that shock and vibrational forces, attendant on the driving of the first uppermost fastener, are effectively prevented from being transmitted to the second uppermost and remaining fasteners. The pocket or the recessed portion has a function of partially blocking a magazine opening to which the fastener is continuously supplied and thus the first uppermost fastener is co-axially disposed in the tool drive bore and the upstream leading edge of the pocket or recessed portion defines a shearing edge to shear the parallel strip interconnecting a pair of fasteners adjacent to the parallel strip of the fastener.
Patent KR-20030007013-A (KR)
Inventor: KURODA YOSHIMASA
IPC: G06K7/00
Filed: 2002-06-28
Abstract: PURPOSE: To provide a connector device for cards, whereby various kinds of memory cards can be inserted in one connector device for cards. CONSTITUTION: This connector device is equipped with a card inserting part 1b provided on the front surface of a housing 1, and a guide part 1f to guide the cards provided on both sides of the card inserting part 1b, and the cards include a first card 10 having a wide width and a thin thickness and a second card 11 having a narrower width and a thicker thickness than the first card 10. The maximum width of the card inserting part 1b is made almost equal to the width of the first card 10, and the maximum thickness of the card inserting part 1b is made almost equal to the thickness of the second card 11. A first guide surface 1g to guide the first card 10 to its insertion position by abutting on the side part of the first card 10 and a second guide surface 1h to guide the second card 11 to its insertion position by abutting on the side part of the second card 11 are formed on the guide part 1f.
Patent KR-20040001648-A (KR)
Title: Interval type seeding device and having a interval type seeding device in direct seeder it
Inventor: CHO MIN YONG
IPC: A01B49/06
Filed: 2002-06-28
Abstract: PURPOSE: Provided is a sowing apparatus for use in a direct seeding machine to improve convenience of sowing seeds, in which rotatory sowing pails are spaced apart facing the ground. CONSTITUTION: The direct seeding machine having a rotatory earthed driving wheel(1) includes: a frame(110) for sowing seeds; a sowing unit(130) supported by the frame(110), and including a plurality of seed storage boxes(122) and a plurality of rotatory sowing pails(120) for discharging seeds provided from each of the seed storage boxes(122) through seed discharge holes intermittently formed on a cylindrical surface; a power transmitter for transmitting a rotation force of the earthed wheel(1) to the sowing unit(130); and a height adjusting device for adjusting the height of the sowing pails(120).
Patent KR-20040009628-A (KR)
Title: Automatic blocking controll method for train
Inventor: KIM JONG DEOK
IPC: B61L23/00
Filed: 2002-07-24
Abstract: PURPOSE: An automatic block control method is provided to prevent accidents caused due to the breakdown of devices, while allowing for ease of maintenance. CONSTITUTION: An automatic block control method comprises a step(S100) of sensing the track in the block through a high voltage impulse track circuit unit and a track sensing module; a step(S110) of permitting the central processing module to analyze the information sensed in the previous step and judge whether the track in the block is occupied by a railway car; a step(S120) of indicating the track as occupied by using the block signal connected to the block control dog if the track is judged as being occupied; a step(S120') of indicating the track as not occupied by using the block signal if the track is judged as not being occupied; a step(S130) of sensing whether another railway car enters the block at the state where the track in the block is occupied by the railway car; a step(S140) of controlling operation of the railway car by operating an automatic train control system when another railway car enters where the track in the block is occupied by the railway car; and a step(S150) of transmitting the information obtained in each step to the adjacent block control box.
Patent KR-20020081153-A (KR)
Inventor: BAE GYEONG BIN
IPC: H01L21/3065
Filed: 2002-07-26
Abstract: PURPOSE: A semiconductor device capable of high selectivity to photoresist is provided to perform an etch process having substantially infinite selectivity, by performing a reactive ion etch(RIE) process while partially using C4F6 as etch gas. CONSTITUTION: A disposition unit(48) has a vacuum chamber(42) as an etch chamber of a process region and a target material(44) is disposed in the vacuum chamber by an electrostatic method. At least one distribution plate has a plurality of apertures, facing the disposition unit. A radio frequency(RF) power source(52) applies RF power to the disposition unit. At least one gas manifold introduces etch gas to the vacuum chamber. A gas exhaust pipe exhausts the etch gas. A vacuum pump pumps through a throttle valve. The first and second magnets(54,56) form a magnetic field inside the vacuum chamber, surrounding the vacuum chamber.
Patent KR-20020086317-A (KR)
Inventor: LEE MAN GI
IPC: C02F3/14
Filed: 2002-07-31
Abstract: PURPOSE: A screw type aerator for wastewater treatment is provided to substantially increase oxygen transfer rate from atmosphere to wastewater to further improve treatment capability of aerobic wastewater by integrally forming a suction fan built-in suction part in rear of an aerator body and inserting a screw propeller into a driving hollow shaft. CONSTITUTION: In a screw type aerator at the front of the outer side of a body(2) of which a flying preventing plate(4) is formed, at the rear of the outer side of which a support(3) is installed, and to the rear part of the inner side of which a driving motor(8) is fixed, wherein a hollow shaped driving hollow shaft(5) at an end of which an agitating screw(6) is formed is penetrated into one side of the driving motor(8) while an air switch valve(12) connected to the driving hollow shaft(5) is installed at the other side of the driving motor(8), the screw type aerator for wastewater treatment is characterized in that a suction part(15) on the outer surface of which a plurality of suction holes(18) are penetratingly formed, and to the inner side of which a suction fan(17) attached fan motor(16) is fixed is integrally formed at the rear of the body(2) of the aerator, and a screw propeller(7) is inserted thus fixed to the inner side of the rear part of the driving hollow shaft(5).