baber/WOPTO huggingface dataset:
Patent KR-20030082707-A (KR)
Title: Method for hardening the pulley surface using in belt conveyor
Inventor: KIM SE IL
IPC: C23C26/00
Filed: 2002-04-18
Abstract: PURPOSE: A method for hardening the surface of pulley for belt conveyor is provided, which not only extends life time of the pulley by maximizing wear resistance of frictional surface of the pulley, but also maximizes weldability of the pulley by improving electrical conductivity of the pulley. CONSTITUTION: The method comprises the processes of supplying a coating material(22) containing 24.0 to 32.0 wt.% of Fe-Cr, 4.0 to 7.0 wt.% of C, 4.0 to 7.0 wt.% of Nb, 2.0 to 4.0 wt.% of Mn, 1.0 to 3.0 wt.% of W, 1.0 to 1.5 wt.% of Mo and 0.5 to 1.0 wt.% of Ni to the frictional surface(16) of belt conveyor pulley part(10); and hardfacing a bead layer having width of 3 to 5 mm in multilayer by applying current of 400 to 500 A to electrode part(30), thereby melting the coating material(22) through arc heat generated between the frictional surface(16) and wire electrode(32).
Patent KR-20020035089-A (KR)
Inventor: CHO YEONG HO
IPC: B23K20/22
Filed: 2002-04-25
Abstract: PURPOSE: A bonding method of dissimilar metals is provided which is capable of solving problems of low productivity and high cost due to the mechanical processing that is demerits of a conventional diffused bonding method. CONSTITUTION: The improved bonding method of dissimilar metals comprises the steps of fabricating an iron alloy base metal(1) having a spherical shape; fabricating the round bar into a plate material after fabricating a round bar with a copper alloy material; fabricating a lining material having a spherical shape by pressing the plate material; cleaning parts to be bonded of the lining material(2) and the base metal respectively; arranging the lining material between a jig(3) and the base metal; and bonding the base metal with the lining material by applying a pressure onto the lining material as maintaining the jig(3), base metal(1) and lining material(2) in a heating furnace having a high temperature.
Patent KR-20030086141-A (KR)
Inventor: LEE JEONG GYUN
IPC: H01L21/00
Filed: 2002-05-03
Abstract: PURPOSE: A cleaning apparatus for a linear motion guide rail is provided to be capable of completely removing fine particles at a groove of a guide rail. CONSTITUTION: A cleaning apparatus for a linear motion guide rail(100) is provided with the first bar(110), the second bar(130), and a connection pin connected through the first and second bar for connecting the first bar with the second bar. At this time, the first bar includes the first protruding part(111a) for being inserted to the first guide groove of a guide rail, the first connecting part(111) bended from one portion of a horizontal connecting part(113), and the first handle part(115) prolonged from the other portion of the horizontal connecting part. At the time, the second bar includes the second protruding part(131a) for being inserted to the second guide groove of the guide rail, the second connecting part(131), and the second handle part(133).
Patent KR-20030087121-A (KR)
Title: Emulsion expolsive with improved power
Inventor: LEE EUNG SO
IPC: C06B29/02
Filed: 2002-05-06
Abstract: PURPOSE: Provided are high strength emulsion explosives having improved explosion and impact resistance compared with conventional emulsion explosives by using plastic micro balloon(PMB) instead of glass micro balloon(GMB) as a sensitizer and sodium perchlorate(NaClO4) as an oxidizer. CONSTITUTION: The water in oil type emulsion explosives enough to explode granite comprise 80-90wt.% of oxidizing solution, 0.1-5wt.% of fuel solution, 0.1-5wt.% of emulsifier, 0.1-1.0wt.% of plastic micro balloon(PMB), and 5-15wt.% of aluminum. The PMB, having 0.04-0.1g/cc of specific gravity, 20-100micrometer of particle size and 0.2-10micrometer of thickness, contains vinyl diene chloride(VDC) including more than 50wt.% of acrylonitrile(ACN), the copolymer of methyl meta acrylate(MMA) and ACN, or the polymer of ACN. The oxidizing solution consists of water and ammonium nitrate, sodium nitrate, sodium chlorate, sodium perchlorate, monomethyl amine nitrate and hydrazine nitrate. The fuel solution is one or more of wax, mineral oil and gasoline. The aluminum is selected from the types of sphere, flake, foil and a mixture of thereof.
Patent KR-20030087278-A (KR)
Title: Oligopeptide which binds specifically to chitosan
Inventor: CHONG JONG PYONG
IPC: C07K7/06
Filed: 2002-05-08
Abstract: PURPOSE: An oligopeptide specifically binding to chitosan is provided. The oligopeptide can be useful for selective separation of biocompatible chitosan and useful as a linker between chitosan and biomolecules. CONSTITUTION: An oligopeptide specifically binding to chitosan is provided, wherein the oligopeptide has the amino acid sequence of SEQ ID NO: 1, SEQ ID NO: 2 or SEQ ID NO: 3. The oligopeptide specifically binding to chitosan is isolated by inserting random amino acid sequences into a vector pFLITRIX containing the active portion of thioredoxin; transforming Escherichia coli with the vector pFLITRIX; culturing the transformed E. coli in an ampicillin containing IMC selection medium; adding tryptophane into the medium and culturing it to induce FLITRIX peptide; binding the transformed E. coli to chitosan fixed on a dish; selecting peptides specifically binding to PLGA; and sequencing the selected peptides.
Patent KR-20020088359-A (KR)
Inventor: HIGASHI MITSUHIDE
IPC: H02P6/06
Filed: 2002-05-13
Abstract: PURPOSE: To provide a motor drive with a simple structure capable of reducing mechanical noises and vibrations. CONSTITUTION: In this motor drive which controls the rotational speed of a three-phase np (np: an even number more than or equal to 4) pole brushless DC motor, there are provided an DC-AC converting means for converting DC voltage into desired false AC voltage, a position detection means for detecting rotational phases obtained from the induced voltage of a three-phase armature winding of the brushless DC motor, and a duty control means for performing pulse width modulation(PWM) of the DC-AC converting means. The duty control means consists of a reference duty determining means for determining a reference duty value based on a frequency command value, a correcting means for correcting the reference duty value into an output duty value based on rotational speed for each angle range obtained by dividing a one-turn angle of the brushless DC motor into np portions, and an output means for outputting the output duty value.
Patent KR-20020042594-A (KR)
Inventor: RYU HYOUN HEE
IPC: B65D19/12
Filed: 2002-05-15
Abstract: PURPOSE: Provided is a palette which divides a vertical material and a horizontal material into a first and a second part and pushes the first part into the second part to fold in a compact size so that it reduces volume in storage and transportation. CONSTITUTION: In the palette which includes an upper support sheet(20) to fold the vertical material(10) and the horizontal material(15); and plural pillar materials(30) which are vertically joined at the upper support sheet, the palette is characterized by dividing at least one materials among the vertical and the horizontal material into the first(40) and the second(50) part wherein the first part is combined with the second part to be slid and including an elastic suspension member(60) to be hung at the opposite part and keep the extended state when the first part is extended from the second part.
Patent KR-20030089626-A (KR)
Inventor: YEO TAE SOON
IPC: G07F7/08
Filed: 2002-05-16
Abstract: PURPOSE: A system for managing a vending machine is provided to reduce the time required to manage the vending machine by transmitting information of the vending machine from a main vending machine to a manager. CONSTITUTION: A main vending machine includes a controller(7'), a blue tooth communication module(4'), a display unit(1'), and a key pad(2'). The controller(7') processes information transmitted from each of vending machines(SB1,SB2,SB3) to store them to a memory. The blue tooth communication module(4') transmits all sorts of information from the vending machines(SB1,SB2,SB3) to the controller(7') through a data signal processor(5'). The display unit(1') displays a moving picture and selling information and management information of the respective vending machines(SB1,SB2,SB3). The key pad(2') controls the controller(7') and the display(1'). Each of the vending machines(SB1,SB2,SB3) includes a blue tooth communication module(4), a controller(7), and a sensor(3).
Patent KR-20030003011-A (KR)
Title: Polyazo compound or salt thereof and dye-based polarization film containing the same
Inventor: ASHIDA TORU
IPC: C09B31/22
Filed: 2002-06-24
Abstract: PURPOSE: A polyazo compound or its salt and a dye-based polarization film containing the compound are provided, to obtain a polyazo compound covering the region of 500-580 nm and exhibiting a high initial polarization ability. CONSTITUTION: The polyazo compound is represented by the formula 1 or 2, wherein A is a phenyl group having sulfo and/or carboxyl group and optionally a low molecular alkyl or alkoxy group, or a naphthyl group having 1-3 sulfo groups; R1 to R6 are identical or different one another and are H or a low molecular alkyl or alkoxy group; m and n are independently 0 or 1; R6 is H or a sulfo group; D and E and independently -NHCO- or -N=N-; G is -CH2, an alkylene group of C2-C4, a phenylene group or -CH=CH-; R8 is a sulfo group, a carboxyl group or a low molecular alkoxycarbonyl group; and n is 0 if G is a phenylene group. The dye-based polarization film comprises a polarization film substrate; and the polyazo compound or its salt coated on the film. Preferably the substrate is a poly(vinyl alcohol)-based resin.
Patent KR-20020060662-A (KR)
Inventor: CHAE HYOUN SIK
IPC: G03B29/00
Filed: 2002-06-25
Abstract: PURPOSE: A multi-purpose telescope with camera function is provided to allow a user to photograph and store while looking at an object. CONSTITUTION: A telescope includes an image memorizing part(30) comprising a solid photographing element(31) accumulating image projected through a first prism(21) and a second prism(25) as electric charge, a control device(33) converting image taken by the solid photographing element into digital data in order and a memory(35) storing image converted into data by the control device; and a semipermeable prism(40), attached on one surface of the second prism and having a surfaced coated to reflect part of image projected through the second prism to the solid photographing element and to pass the rest of the image to an ocular lens(15).
Patent KR-20040003885-A (KR)
Inventor: CHO SEONG HO
IPC: G01K7/02
Filed: 2002-07-04
Abstract: PURPOSE: An apparatus is provided to be capable of detecting the temperature of a diffusion furnace by using an overheat preventing thermocouple when abnormality happens to an outer thermocouple. CONSTITUTION: An apparatus for detecting the temperature of a diffusion furnace is provided with an outer thermocouple(21), an inner thermocouple(22), an overheat preventing thermocouple(23), a temperature control part(24), and an overheat preventing control part(25). When the diffusion furnace is overheated, the overheat preventing thermocouple controls the overheat preventing control part to generate an overheat control signal. While a predetermined reaction is progressing at the diffusion furnace, the overheat preventing thermocouple controls the temperature control part to generate a temperature control signal.
Patent KR-20030007027-A (KR)
Title: Positioning device with a solid cylindrical pin
Inventor: MOCHIZUKI MASANORI
IPC: B23Q1/26
Filed: 2002-07-05
Abstract: PURPOSE: A positioning device with a solid cylindrical pin is provided to easily attach and separate members arranged in the positioning device and to easily and precisely produce a long carriage. CONSTITUTION: A guide apparatus(1) slidably supports a shaft member(2) and a column(3) relative to each other. The column has a through-hole formed therein and the shaft member penetrates the through-hole. In the column, a slide mechanism(5) is formed of a plurality of cylindrical rolling elements(50) adapted to axially roll on an outer circumference(2a) of the shaft member. The column is formed of a plurality of split members(31,32,33,34) which are divided on sectional planes each perpendicular to the axial direction of the column. A plurality of positioning pins(9) are provided on each contact surface of the adjacent split members. The adjacent split members are centered or positioned by the positioning pins.
Patent KR-20040005511-A (KR)
Title: Method for forming the Isolation Layer of Semiconductor Device
Inventor: CHOI MYEONG GYU
IPC: H01L21/76
Filed: 2002-07-10
Abstract: PURPOSE: A method for fabricating an isolation layer of a semiconductor device is provided to improve a rounding characteristic of an upper corner of a trench and prevent a moat from being generated by replacing a pad nitride layer with a pad polysilicon layer in a chemical mechanical polishing(CMP) process and by implanting BF2 ions so that the sidewall of the pad polysilicon layer is oxidized in a trench sidewall oxidation process. CONSTITUTION: A pad oxide layer(110) and the pad polysilicon layer are sequentially formed on a silicon substrate(100). BF2 ions are implanted into the pad polysilicon layer. A photoresist pattern is formed on the resultant structure and is etched to form a trench in the silicon substrate. A precleaning process is performed on the resultant structure. A dry oxidation process is performed on the resultant structure to form a sacrificial oxide layer on the sidewall of the trench. A gap-fill oxide layer is deposited on the resultant structure to fill the trench and a heat treatment process is performed. The gap-fill oxide layer is planarized by a CMP process. The pad polysilicon layer is removed by a cleaning process.
Patent KR-20040006205-A (KR)
Title: Novel method for producing Aztreonam
Inventor: JANG GWAN YEONG
IPC: C07D417/12
Filed: 2002-07-11
Abstract: PURPOSE: A method for preparing Aztreonam is provided, which involves no pollution caused by the by-products because additional coupling reagents are not used for acylation. Therefore, pure Aztreonam can be prepared. CONSTITUTION: A method for preparing Aztreonam of the formula(1) comprises reacting a compound of the formula(2) with a compound of the formula(3), wherein R1 is hydrogen or an amino protecting group; R2 is hydrogen or a carboxylic acid protecting group; M is hydrogen, quaternary amine salt or cation; X is SNS-purine ring, PO(OEt)2 or PS(OEt)2; the amino protecting group is trityl, formyl or acetyl; the carboxylic acid protecting group is p-nitrobenzyl, p-methoxybenzyl, diphenylmethyl or tertiary butyl; the quaternary amine salt is tetrabutylammonium salt; the cation is kalium or sodium; and the reaction temperature is -15 to 100 deg. C.
Patent KR-20040007835-A (KR)
Title: Method for forming of isolation
Inventor: CHOI MYEONG GYU
IPC: H01L21/76
Filed: 2002-07-11
Abstract: PURPOSE: A method for forming an isolation layer is provided to restrain moat and to reduce stress by performing rounding oxidation process after dopants are implanted into a polysilicon layer. CONSTITUTION: After a pad oxide layer(101) and a pad polysilicon layer sequentially are deposited on a silicon substrate(100), fluorine ions are implanted. After a pad nitride layer is formed on the resultant structure, a trench is formed. After the resultant structure is cleaned, rounding oxidation processing is performed. An HDP(High Density Plasma) oxide layer(106) is formed in the trench and planarized by CMP. A pad nitride layer and the pad polysilicon layer are removed.
Patent KR-20040008593-A (KR)
Title: Method of forming metal interconnection line for semiconductor device
Inventor: PYO SEONG GYU
IPC: H01L21/205
Filed: 2002-07-19
Abstract: PURPOSE: A method for forming a metal interconnection of a semiconductor device is provided to effectively prevent the increase of effective permittivity, the degradation of EM(ElectroMigration) and the generation of defects by selectively forming a diffusion barrier layer on a copper line. CONSTITUTION: An insulating layer(28) having a hole is formed on a semiconductor substrate(21). The hole is filled with a copper film. By blanket-etching of the copper film, a copper line(26) is formed and the substrate is planarized. A diffusion barrier layer(27) is selectively formed on the copper line(26). The diffusion barrier layer(27) is formed by the following steps of absorbing selectively chemical enhancer on the copper line, depositing a metal film on the copper line, and oxidizing the metal film.
Patent KR-20020067023-A (KR)
Title: Cutting and punching machine
Inventor: PARK TAI UP
IPC: B26D9/00
Filed: 2002-07-19
Abstract: PURPOSE: A metal plate processing apparatus is provided to simplify the structure of a rotating section by movably installing a frame performing a cutting work and a punching work on a base such that the metal plate is not required to be moved. CONSTITUTION: A metal plate processing apparatus includes a base(100), a rotating section(110), a punching section(120), and a cutting section(130). A pair of guide rails(102) having a predetermined length is installed at both sides of the base. The first and second frames(121,131) are slidably installed on the guide rails(102). The first and second frames(121,131) are temporally fixed by means of stoppers. The rotating section(110) is mounted on a center of the base(100) and has a driving motor(112), which is integrally formed with the base(100).
Patent KR-20040012095-A (KR)
Title: Surprise permanent
Inventor: SEA NAM SOOK
IPC: A45D2/02
Filed: 2002-07-31
Abstract: PURPOSE: A perm rod is provided to give hair, especially thin and less amount of hair, more volume in an effective way, to create uniform wave patterns, and to reduce the time required for perm. CONSTITUTION: The perm rod for giving more volume to thin and less hair is made of PE that gives less stimulus (or stress) to the scalp. Also, the perm rod made of PE is semipermanent and not easily deformed by the application of heat. Both sides of the perm rod are recessed so the rod is not easily pushed out. A locker(2) at the end of the perm rod is hooked at a hook(3) at the other end of the perm rod. Further, the perm rod is curved(4). The perm rod is very effective in creating uniform perm patterns even at a blocked part.
Patent KR-20040012346-A (KR)
Title: A heating power control method of microwave oven
Inventor: KIM BYEONG SU
IPC: F24C7/08
Filed: 2002-08-02
Abstract: PURPOSE: A method is provided to cook foodstuffs in a uniform manner by controlling the heating energy to be uniformly supplied in the cavity of the microwave oven. CONSTITUTION: A method comprises a step(200) of permitting a user to input an automatic cooking signal; a step(210) of transmitting the automatic cooking signal to a control unit, and permitting the control unit to recognize the automatic cooking signal; a step(220) of outputting a heating energy for a predetermined time period; a step(230) of judging whether the automatic cooking signal is continuously input; a step(240) of judging whether the continuous cooking preparation time period has lapsed; a step(250) of outputting a heating energy for a predetermined time period; a step(260) of judging whether the automatic cooking signal same as the automatic cooking signal input in the step(200) is input; a step(270) of judging whether the continuous cooking preparation time period has lapsed; and a step(280) of outputting a heating energy for a predetermined time period.
Patent KR-20040013567-A (KR)
Title: Method for selecting on screen display
Inventor: WON YU CHAN
IPC: H04N21/431
Filed: 2002-08-07
Abstract: PURPOSE: An OSD selecting method is provided to store a plurality of OSD files to select and edit the OSD files before displaying as desired by a user. CONSTITUTION: An OSD selecting method includes the steps of displaying various OSD files stored in a flash memory as a user selects OSD file selection menu, and an OSD filed is carried out according to the selection of the user(201). In the OSD file edition, OSD file addition is determined(202,203). If OSD file addition menu is selected, a medium to add is selected(204). As the medium to add is selected, a control part displays OSD files stored in the medium for the user to select an OSD file to add(205). In order to add the selected file to the flash memory, the control part determines whether the capacitance of the selected OSD file is larger than that of the flash memory(206). If smaller, the selected OSD file is loaded to the flash memory(201). In the other case, error message is output for informing the user that the selected OSD file is not possible to add(208). In the case of deletion, the user selects an OSD file to delete from the displayed OSD files, and the selected OSD file is deleted from the flash memory(209-211).
Patent KR-20040021301-A (KR)
Title: A Non-influencing Clamping Device For A Rotary Table
Inventor: KIM TAE WON
IPC: B23Q1/25
Filed: 2002-09-03
Abstract: PURPOSE: A device for holding a rotary table is provided to minimize the position error of a rotary shaft even when holding the rotary table. CONSTITUTION: A thin brake ring(250) is fixed to the lower part of a rotary table(100), and has a hinge groove(260). A table housing(200) is rotatably supported by a roller bearing(120) fit into a rotary shaft(140), and has a circumference groove(210) for containing the brake ring. A hydraulic chamber(310) is formed at one side of the circumference groove. An oil chamber(320) adheres closely to the table housing, and is fit into the hydraulic chamber. A hydraulic entrance(360) is formed at the rear of the oil chamber, and passes through the table housing.
Patent KR-20040020749-A (KR)
Title: Valve for measurement of pressure for airconditioner
Inventor: JIN GYEONG IL
IPC: F25B49/02
Filed: 2002-09-03
Abstract: PURPOSE: A valve for measuring a pressure of an air conditioner is provided to increase coupling strength and prevent leakage of an operating fluid by removing a connecting pipe. CONSTITUTION: A valve body(32) is formed to be directly connected with a pipe in which an operating fluid flows. The valve body includes a first connecting part(32a) and a second connecting part(32b). The valve body controls the operating fluid to go in and out. A check valve(34) is combined with an inside of the valve body for controlling the operating fluid to go in and out. A valve cover(36) is coupled with an end of the second connecting part of the valve body for shielding the valve body to prevent the operating fluid from being leaked.