baber/WOPTO huggingface dataset:
Patent KR-20030019756-A (KR)
Title: continous type cold mix recycling asphalt concrete manufacture apparatus and method
Inventor: RI CHUL SEON
IPC: B28C1/16
Filed: 2001-08-30
Abstract: PURPOSE: A process for producing regenerated ascon is provided to effectively coat both of coarse and fine constructional materials with desired emulsifying agent by continuously introducing them into a mixer by means of conveyor belts mounted on the same line at equal distances. CONSTITUTION: The process is carried out by an apparatus comprising a number of hoppers(1); respective belt feeders(2) to control and output amount of constructional material instantly below the hoppers(1); a driving motor(8) to provide driving power to the belt feeders(2); a number of belt conveyors(3) receiving the constructional material from the belt feeders(2) to transfer it for further use. To the hoppers, any one of coarse or fine materials having determined diameter along requirements in applications is entered. The fine material may comprise sands, stone powders and/or, especially, waste ascon mass after grinding it by way of specific crusher mounted on the above apparatus.
Patent KR-20020018602-A (KR)
Title: Polycarbodiimide
Inventor: HOTTA YUJI
IPC: C08G73/00
Filed: 2001-08-31
Abstract: PURPOSE: Provided is a polycarbodiimide which is excellent in flexibility when formed into a film, and maintains low flexural modulus without lowering its flexibility even when the polycarbodiimide is heated at a temperature of not less than 200 deg.C. for a long period of time. CONSTITUTION: The polycarbodiimide represented by the formula(I)(wherein R1 is an alkylene group having 2 to 10 carbon atoms, R2 is a divalent aromatic group, R3 is a monovalent aromatic group, k is 0 or an integer of 1 to 30, m is an integer of 2 to 100, and n is 0 or an integer of 1 to 30, R1 is alkylene group having 3 to 8 carbon atoms. R2 is a group represented by the formula (III)(wherein R4 is an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms), a group represented by the formula (IV)(wherein R5 is an alkylene group having 1 to 4 carbon atoms or oxygen atom, and each of R6 and R7 is independently hydrogen atom, an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms), a group represented by the formula (V)(wherein X is a group represented by the formula (VI)(wherein each of R8 and R9 is independently an alkyl group having 1 to 4 carbon atoms which may have a halogen atom, or a linear or branched alkylene group having 3 to 6 carbon atoms)).
Patent KR-20030023901-A (KR)
Title: Method for Repairing and Reinforcing Concrete Structure
Inventor: HONG JUN SEON
IPC: E04G23/02
Filed: 2001-09-14
Abstract: PURPOSE: A process for repairing and reinforcing concrete structure is provided to overcome problems involving the concrete structure comprising fiber-reinforced plastic sheet by uniformly applying the plastic material on surface of the structure. CONSTITUTION: The process comprises several steps of previously treating surface of the concrete structure; applying the fiber-reinforced plastic layer by injecting liquid thermo-curing resin, curing agent and reinforced fibers together; and finishing the applied reinforced fiber plastic layer. The process is conducted by installing a tank(10) for supplying the thermo-curing resin; another tank(20) for introducing the curing agent; a compressor(30) for providing pressurized air; a spray gun; a glass fiber(51) wound drum(50) and a working device(60); a finishing roller(70); and a supplying line(80) for providing the resin and the pressurized air.
Patent KR-20030023966-A (KR)
Title: Method for Fast Intra-PDSN Hard Handoff by the Link Setup Between BSCs Via a MSC
Inventor: CHOI SANG HO
IPC: H04B7/26
Filed: 2001-09-14
Abstract: PURPOSE: A method for performing high-speed handoff through setting a link between BSCs(Base Station Controllers) by passing an MSC(Mobile Switching Center) in a packet data service node is provided to furnish communication through setting the link the BSCs passing the MSC in case of an active packet session mode, so as to furnish a high-speed packet data service without data losses. CONSTITUTION: In an active packet session mode, a channel link passing an MSC(111) is set between an S-BSC(Source BSC)(103) and a T-BSC(Target BSC)(107), to set a channel passing the T-BSC(107), the S-BSC(103), an S-PCF(Source Packet Control Function)(105) and a PDSN(Packet Data Service Node)(121). Hard handoff is performed between the S-BSC(103), the T-BSC(107) and an MS(Mobile Station)(101). If the hard handoff is completed, user packet data exchanged between the MS(101) and the T-BSC(107) are transmitted to the PDSN(121) through the set channel link or received therefrom. In a dormant packet session mode, a channel link is set between the T-BSC(107), a T-PCF(Target PCF)(109) and the PDSN(121). The channel link set between the S-BSC(103), the S-PCF(105) and the PDSN(121) is released. And the channel link between the S-BSC(103) and the MSC(111) is released.
Patent KR-20020046142-A (KR)
Inventor: LEE KI HWAN
IPC: A41D13/00
Filed: 2001-09-17
Abstract: PURPOSE: The clothes for exterminating insects controlled at length of a hood are provided to prevent interruption of working by the hood with controlling the length of the hood according to the body of a worker and to protect the worker from the harmful chemicals safely. CONSTITUTION: The clothes(10) for exterminating insects controlled at length of the hood include a hood(20), a length controlling member(30), a controlling piece(31), a female Velcro(32) and a male Velcro(33). The hood(20) is installed on the upper part of the clothes(10) for exterminating insects and the length controlling member(30) is installed at the rear of the controlling piece(31) and controls the length of the hood(20). The controlling piece(31) is fixed at the rear of the hood(20) and the female Velcro(32) is sticked inside the controlling piece(31) and the male Velcro(33) is sticked at the rear of the hood(20).
Patent KR-20030028002-A (KR)
Title: Holder for fixing pcb in electronic appliance
Inventor: KWON O GWAN
IPC: H05K7/12
Filed: 2001-09-27
Abstract: PURPOSE: A holder for fixing a circuit board of an electronic instrument is provided to improve convenience in assembly works and prevent loss of any part by providing first and second fixtures in pre-assembled form, and to fix a circuit board to a fixed plate in more stable structure by means of a holder and easily separate the holder from the circuit board and the fixed plate. CONSTITUTION: A holder for fixing a circuit board of an electronic instrument includes a holder assembly which comprises a first pre-assembly fixture(15) inserted into the penetrating holes of a circuit board(12) and a fixed plate(11) and a second pre-assembly fixture(16) inserted in axial direction through the first pre-assembly fixture(15). The holder also includes a remover(17) as an element separate from the holder assembly. The holder assembly is separated from the circuit board(12) and the fixed plate(11) by the remover(17).
Patent KR-20030027549-A (KR)
Title: coating composite of internal wall of converter and its preparations, and coating method using it
Inventor: KIM CHANG HO
IPC: C04B35/03
Filed: 2001-09-29
Abstract: PURPOSE: A refractory coating composition applied to the inner walls of the converter is provided to lengthen the life of converter and improve productivity by using high corrosion-resistant MgO and CaCO3 as main materials. CONSTITUTION: The refractory coating composition contains 85-90wt.% of high purity MgO obtained by thermal decomposing magnesite at 900-1200deg.C and 10-15wt.% of limestone containing CaCO3. The coating materials are produced by (S10) mixing raw materials and crushing into a size of 90-130 mesh, (S20) adding 15-25wt.% of water, (S30) forming into sphere(or almond)-shaped pellets with a size of width 30mm x length 60mm and 10-20kg/cm2 of compression strength, and (S40) drying at 20-30deg.C for 24hrs. The coating method of inner walls of converter comprises the steps of: feeding prepared pellets to the inside of the convert; putting a O2 lance, being at a distance from the pellet, into the convert; spreading high pressured N2 gas over the pellet through the lance.
Patent KR-20030028305-A (KR)
Title: Method for cutting non-metal substrate
Inventor: CHOO DAE HO
IPC: B23K26/40
Filed: 2001-09-29
Abstract: PURPOSE: A method for cutting a nonmetallic substrate is provided to improve speed of cutting and quality of cutting surface by optimizing shape and arrangement of an energy source for rapidly heating the nonmetallic substrate. CONSTITUTION: The method for cutting a nonmetallic substrate comprises steps of (i) rapidly heating the cutting path by irradiating first laser beam(210) on a cutting path set on the nonmetallic substrate(1) in an oval shape in which a ratio of major axis (Bl) to minor axis (Bw) is adjusted in the range of 40:1 to 80:1; (ii) forming a groove shaped scribe line(1c) on the surface of the nonmetallic substrate by thermal shock formed by spraying a cooling fluid(310) onto the cutting path; and (iii) cutting the nonmetallic substrate by scanning second laser beam(510) along a scanning path of the first laser beam, wherein the first laser beam is formed in a symmetrical shape centering around the major and minor axes, wherein the first laser beam is formed in a symmetrical shape centering around the major axis while it is formed in an asymmetrical shaped centering around the minor axis, and wherein length (Sw) of the minor axis is 1 to 2 mm while length (Sl) of the major axis is 40 to 80 mm.
Patent KR-20030032116-A (KR)
Title: A portable fame satellite antenna system
Inventor: CHO IL IN
IPC: H01Q1/24
Filed: 2001-10-10
Abstract: PURPOSE: A portable flat satellite antenna system is provided to install the antenna easily by improving a coupling structure between a flat antenna and a signal processing device. CONSTITUTION: The first coupling portion(13) of a reception portion(10) is adhered to a radome. The first coupling portion(13) has a female screw(a) combined with one end portion of a coupling bar(30). A male screw(b) is formed at the end portion of the coupling bar(30). The second coupling portion(d) of a fixing portion(20) is connected with the other end portion(c) of the coupling bar(30) in order to rotate the reception portion(10) in an azimuthal direction. A rotary connector(22) is installed at the inside of the second coupling portion(d). A slot is formed at the other end portion(c) of the coupling bar(30).
Patent KR-20020034873-A (KR)
Title: Thin-film field-effect transistor with organic-inorganic hybrid semiconductor requiring low operating voltages
Inventor: DIMITRAKOPOULOS CHRISTOS DIMIT
IPC: H01L29/786
Filed: 2001-10-22
Abstract: PURPOSE: A thin-film field-effect transistor with an organic-inorganic hybrid semiconductor requiring low operating voltages is provided to achieve high field effect mobility levels at very low operating voltages by using the gate voltage dependence of the organic-inorganic hybrid semiconductor. CONSTITUTION: A transistor device structure comprises a substrate on which an electrically conducting gate electrode is disposed; a layer of high dielectric constant gate insulator disposed on the gate electrode; an electrically conductive source electrode and an electrically conductive drain electrode disposed on the layer of gate insulator; a layer of an organic-inorganic hybrid semiconductor disposed on the gate insulator and the source electrode and the drain electrode. The gate insulator has a high dielectric constant.
Patent KR-20030034624-A (KR)
Title: structure of handle and method for fabricating the same
Inventor: CHA UNG GIL
IPC: B29C45/14
Filed: 2001-10-26
Abstract: PURPOSE: A structure of a handle and manufacturing method is provided to prevent painting and a figure or a letter from coming off and to improve the appearance of the handle. CONSTITUTION: A handle(1) is composed of a colored core(2) having a hollow part inside, and an outer skin(3) made of transparent materials and covering the core. The core has a rod-shape and a predetermined curvature along the longitudinal direction. Any side of both ends of the core and the outer skin has a streamline shape.
Patent KR-20030037097-A (KR)
Inventor: KIM JIN NAM
IPC: G03F7/20
Filed: 2001-11-02
Abstract: PURPOSE: Provided is an illuminating system for exposure apparatus, which, if necessary, can block the light irradiated to the front side of condenser lens from light source and thus protects a condenser lens. CONSTITUTION: The illuminating system comprises a light source(1') for irradiating the light; the first, second, third and fourth condenser lenses(9',11',13') for collecting the light irradiated from the light source; a exposure shutter(10') for opening/closing a path of the light; a shielding panel(33') for secondarily opening/closing a light path opened by the exposure shutter(10'); the first, second and third refracting mirror(17',19') for refracting an incident light; an eyeline filter(23') for transmitting only light having specific wavelength zone; a fly eye lens(25') for enhancing the uniformity of the light; and a exposure counter(27') for measuring the intensity of the light.
Patent KR-20030040692-A (KR)
Title: Composition for combustion improver additive of heavy fuel oil and its use
Inventor: JUNG SEON TAK
IPC: C10L1/30
Filed: 2001-11-15
Abstract: PURPOSE: An additive composition for improved combustion of heavy fuel oil is provided, which can reduce generation of incombustible carbon and dust while increasing thermal efficiency. CONSTITUTION: The additive composition for improved combustion of heavy fuel oil comprises 30 to 84 wt.% of hydrocarbon based solvent, 10 to 30 wt.% of barium based organic metal compounds selected from the group consisting of barium stearate, barium oleate and their mixtures, 5 to 20 wt.% of dispersant selected from the group consisting of oleic acid, polyisobutylene succinimide, liposoluble polyoxyethylene nonylphenyl ester and their mixtures, and the additive composition further comprises at least one solvents selected from the group consisting of methylethylbenzene with a carbon number of nine, trimethylbenzene, dimethylethyl benzene and its isomer; methylpropylbenzene with a carbon number of ten, dimethylethylbenzene, tetramethylbenzene and its isomer; aromatic compound with a carbon number of 11 to 12 and its isomer; and their mixtures.
Patent KR-20030041251-A (KR)
Title: Water-bottle support dividing device for duplex stopper
Inventor: LEE SEON GYU
IPC: B67D3/00
Filed: 2001-11-19
Abstract: PURPOSE: Provided is a water-bottle support/dividing device for duplex stopper for use in water purifier, wherein the water bottle support/dividing device separates air introduced into a water bottle from water out from the water bottle to smoothly drain out the water, and supplies clean air to the bottle using an air cleaner. CONSTITUTION: The water-bottle support/dividing apparatus comprises a water-bottle support section(60) and a water drain section(70) which are combined by an O-ring, wherein the water drain section(70) includes a water drain pipe(80) with a hemispheral head at an end thereof and at least two water drain holes(83), and a plurality of guide plates(84) installed in the water drain pipe(80), and wherein the water-bottle support section(60) includes a water-bottle supporting jaw(61), air supply holes(62) and an air cleaning device for cleaning air to be introduced into the water-bottle.
Patent KR-20030042125-A (KR)
Inventor: KIM GYEONG SEOK
IPC: H03H9/00
Filed: 2001-11-21
Abstract: PURPOSE: A surface acoustic wave duplexer is provided to reduce a device size by forming a phase conversion function in a surface acoustic wave(SAW) filter and to reduce a cost by simplifying a process. CONSTITUTION: An Rx SAW filter(41) comprises a piezoelectric substrate, an input/output inter-digital transducer, and a capacitor part. The input/output interdigital transducer is formed on the piezoelectric substrate by a pattern shape. The input/output interdigital transducer converts an electric signal into a surface acoustic wave, and converts a surface acoustic wave into an electric signal when a signal of a desired frequency band is passed. The capacitor part(41a) is formed at an input/output stage of the Tx SAW filter and prevents a signal interference between the Tx SAW filter and an Rx SAW filter(41).
Patent KR-20020043442-A (KR)
Title: Spinning reel
Inventor: IKUTA TAKESHI
IPC: A01K89/02
Filed: 2001-11-24
Abstract: PURPOSE: A spinning reel is provided to simply carry out operations to regulate rotation of a rotor by one hand without increasing operation strokes of a braking lever in a lever brake type spinning reel. CONSTITUTION: The spinning reel includes a spinning reel body(2), the rotor(3), a spool(4), a braking part(20), the braking lever(21) and an auxiliary lever(22). The spinning reel body(2) has a mounting part(2c) mounted on a fishing rod, a reel body(2a) arranged at an interval from the mounting part(2c) and a leg part(2b) for connecting the mounting part(2c) to the reel body(2a). The braking part(20) is capable of braking the rotation of the rotor(3) in the line delivering direction. The braking lever(21) has a braking operating part(21c) arranged between the rotor(3) and the mounting part(2c) at the tip thereof and increase the braking force with the braking part(20) when the braking operating part(21c) is operated in the direction to approach the mounting part(2c). The braking lever(12) has an intermediate operating part(26a) arranged in a position different from the braking operating part(21c) and is capable of keeping the rotor(3) in a prescribed braked state when the intermediate operating part(26a) is operated in the direction to be separated from the mounting part(2c).
Patent KR-20020042497-A (KR)
Title: Method and system for transmission of headerless data packets over wireless link
Inventor: FRANCIS LUPIEN
IPC: H04L12/56
Filed: 2001-11-29
Abstract: PURPOSE: A method and a system for transmission of headerless data packets over a wireless link are provided to activate or deactivate a periodic update mechanism and set or negotiate the flexible period of the periodic update mechanism. CONSTITUTION: Headerless(zero byte) data packets are sent by a compressor(410) over a radio bearer. The radio bearer includes a synchronized wireless link. A sequential timer-based value is associated with each of the headerless data packets. A decompressor(408) generates a header based on the sequential timer-based value associated with a given received headerless data packet. A data packet having a compressed header is sent periodically over the synchronized wireless link. The data packet having the compressed header also is sent when the compressor(410) detects changes in slowly-varying header fields, in response to feedback received from the decompressor(408) indicating that a decompression context is out of synchronization and just before talk spurts occur.
Patent KR-20020042508-A (KR)
Inventor: FURUMIYA MASAYUKI
IPC: H01L31/0232
Filed: 2001-11-30
Abstract: PURPOSE: To improve the sensitivity of a photo diode in a CMOS image sensor and reduce the crosstalk (leakage) of charges to adjacent pixels. CONSTITUTION: A p-type layer 27 having a lower impurity concentration than a substrate p+ layer 26 using a high concentration p-type semiconductor substrate (e.g. silicon substrate) is formed on the substrate p+ layer 26 with n-type photoelectric conversion regions 14 provided at upper portions of the p-type layer 27. Thus, among photons generated in the p-type layer 27, electrons diffused toward the substrate are reliably caught in the substrate p+ layer 26 and recombined to disappear.
Patent KR-20030046619-A (KR)
Title: control apparatus for side tone in multifunction telephone
Inventor: LEE JIN MAN
IPC: H04M1/58
Filed: 2001-12-06
Abstract: PURPOSE: A device of controlling side volume in a multifunctional phone is provided to set to an optimal value while telephoning or before being installed by using a telephone button, thereby supplying optimal speech quality and enabling a user to select a desirous side sound. CONSTITUTION: A ROM(10) stores a program. A RAM(20) operates the program. A CPU(30) controls entire functions. An LCD(40) displays extension and other information. A key unit(50) inputs all data. An LED(60) displays a state of the other party's phone. A switch(70) connects paths of a handset mode and a hands-free mode, and returns a signal of a transmitter to a receiver. A line interface(80) transceives a message between an interface board and a multifunctional phone. A DSP(90) performs a hands-free function, controls hands-free volume, and generates various tones and rings. A CODEC(100) performs an A/D and a D/A conversion. A handset(110) controls a gain of the transmitter, and supports a handset path. A microphone/speaker(120) inputs and outputs a voice signal. A MUX(Multiplexer)/DEMUX(Demultiplexer)(130) selects the most appropriate value. A control flag(140) sets a value selected by a user.
Patent KR-20030046775-A (KR)
Title: New method for preparing biphenylacetic acid
Inventor: CHO EUN JEONG
IPC: C07C57/38
Filed: 2001-12-06
Abstract: PURPOSE: A method for preparing a 4-biphenylacetic acid is provided, to prepare 4-biphenylacetic acid used as an antiphlogistic analgesic with the improved purity and yield and by more simple method. CONSTITUTION: The method comprises the steps of reacting the biphenyl halide represented by the formula 2 with magnesium in an organic solvent to prepare a Grignard reagent; and reacting the 2-bromoacetate metal salt represented by the formula 3 with the obtained Grignard reagent to prepare the 4-biphenylacetic acid represented by the formula 1, wherein X is a halogen atom and M is Na or K. Preferably the amount of magnesium is 0.5-5 equivalent based on the amount of the biphenyl halide of the formula 2, and the first step is carried out at -30 to 100 deg.C; and the amount of 2-bromoacetate metal salt of the formula 3 is 1-5 eq. based on the amount of the biphenyl halide of the formula 2, and the second step is carried out at -10 to 30 deg.C.
Patent KR-20020023718-A (KR)
Inventor: LEE DONG ROCK
IPC: B29C44/02
Filed: 2001-12-12
Abstract: PURPOSE: A method and a machine for manufacturing out soles of shoes using vacuum foam are provided to reduce the generation rate of defective units, and to reduce the manufacturing cost of a mold and the material cost thereof. CONSTITUTION: The method for manufacturing out soles of shoes using vacuum foam comprises a material input step for stacking a constant amount of cut material in a lower mold(300); a vacuum molding step for vacuumizing the interior of the mold by coupling an upper mold(400) to the lower mold and deflating remnant air in the mold by actuating a vacuum pump; a material charge step for making the material in the mold being molten and charged in a specific space with the upper mold and the lower mold are completely coupled; a foaming step for separating the upper mold and the lower mold to attain a desired product. In this way, it is possible to obtain a uniform high quality out sole not affecting by exterior environmental conditions.