baber/WOPTO huggingface dataset:
Patent KR-20030042708-A (KR)
Title: Heat exchanger for air conditioner
Inventor: HWANG SEONG JIN
IPC: F28D1/04
Filed: 2001-11-23
Abstract: PURPOSE: A heat exchanger of an air conditioner is provided to increase heat-exchanging efficiency by enlarging a heat exchanged area and increasing internal pressure strength by using fine heat exchanging pipes and by overlapping fine heat exchanging pipes to activate contacting with outer air. CONSTITUTION: A heat exchanger used for an air conditioner or a cooling device comprises a plurality of headers(10,12) supplied with low-temperature and low-pressure refrigerants, a plurality of outlet headers(20,22) discharging refrigerant vaporized by heat-exchanging and a plurality of fine heat exchanging pipe bundles, which are formed with fine pipes having fine diameter, forming a passage for refrigerants by connecting between each header and the outlet header and including fine heat exchanging pipes(14,16) installed to overlap with the fine heat exchanging pipe bundles connecting header with outlet headers.
Patent KR-20030045349-A (KR)
Inventor: LIM JUNG HYEON
IPC: H04H20/46
Filed: 2001-12-03
Abstract: PURPOSE: A digital audio broadcasting tuner is provided to selectively receive satellite signals in the L-band, 1450 to 1470MHz, through a digital audio broadcasting system and ground wave signals in the band-3, 170 to 240MHz, according to regions and environmental features. CONSTITUTION: An RF(Radio Frequency) distributor(10) distributes RF signals through an antenna. An L-band mixer terminal(20) downs the frequency of 1450 to 1470MHz, of L-band signals among signals through the RF distributor(10). A band-3 RF AGC(Automatic Gain Control) terminal(30) performs AGC amplification for band-3 signals of 170 to 240MHz among signals through the RF distributor(10) according to a provided AGC voltage. A switch circuit(40) switches output signals of the L-band mixer terminal(20) and output signals of the band-3 RF AGC terminal(30). And an IF(Intermediate Frequency) circuit(50) downs and amplifies frequency of signals through the switch circuit(40), and provides an AGC voltage corresponding to a signal level to the band-3 RF AGC terminal(30).
Patent KR-20030046084-A (KR)
Title: Modified polypropylene resin composition with excellent bubbling property and foam prepared by using the same
Inventor: KIM JEONG HO
IPC: C08J9/00
Filed: 2001-12-05
Abstract: PURPOSE: A modified polypropylene resin composition having improved melt tension and excellent foaming property is provided. A foam obtained by extruding and foaming the resin composition is also provided. CONSTITUTION: The modified polypropylene resin composition is produced by melting and mixing (a) a mixed resin consisting of 80 to 99 parts by weight of polypropylene having the weight average molecular weight greater than 300,000 g/mol and melt index of 0.1 to 10 g/10 minutes at 230 deg.C and 1 to 20 parts by weight of high viscosity and low density polyethylene having the weight average molecular weight greater than 500,000 g/mol and melt index of 0.1 to 0.5 g/10 minutes at 230 deg.C, (b) 0.5 to 10 parts by weight of an ethylene-propylene block copolymer having the weight ratio of ethylene/propylene being 50/50 - 90/10, (c) 0.05 to 10 parts by weight of a multifunctional monomer, and (d) 0.005 to 5 parts by weight of an organic peroxide wherein the amounts of (b) to (d) is based on 100 parts by weight of the mixed resin.
Patent KR-20030046261-A (KR)
Title: Apparatus for cleaning material adhered to return belt in belt conveyor
Inventor: JUNG SUN TAEK
IPC: B65G39/073
Filed: 2001-12-05
Abstract: PURPOSE: A cleaning device of stuck ores in a return belt of a belt conveyor is provided to clean the return belt by removing fine dust and ores from the return belt. CONSTITUTION: A rotation guider(10) shields a carrier belt and a return belt and has many accepting spaces of stuck ores. A support(20) has many idle rotation supporting rolls(24) to support the rotation guider for rotating axially. A driving motor is formed in the support to rotate the rotation guider. A scraper(40) discharges stuck ores on a return belt(4) to the inner surface of the rotation guider by pushing to the girth of the return belt. A detecting plate(52) is installed on the return belt to be rotatable. A sensor(53) is installed to detect the rotation of the detecting plate. An elastic spring(32) is installed in an equipment frame to elastically support the support. A limit switch detects the lengthwise movement of the support. Thereby, the return belt is always maintained clean.
Patent KR-20020065332-A (KR)
Inventor: NAGAYOSHI AKIO
IPC: F16L11/10
Filed: 2001-12-12
Abstract: PURPOSE: To provide a pressure-proof hose smoothly bendable with little deformation of a sectional shape and excellent in watertightness. CONSTITUTION: In this pressure-proof hose, an outer circumferential surface of a synthetic resin flexible pipe in which outer circumferential surfaces of both ends are formed flat and thick-walled, a pipe wall between the ends is formed thin-walled over the whole length, and a reinforcing spiral projecting bar is continuously formed on the outer circumferential surface by a metal knit-cylinder, a flanged nipple is fitted to both ends having no reinforcing spiral projecting bar of the pressure-proof hose, and a short metal cylindrical body is fitted to the outer circumferential surface of the ends of the hose, and squeezed in the contracting direction to realize a watertight structure in which the flanged nipple is firmly and fully pressed against the inner circumferential surface of the ends of the hose.
Patent KR-20030050373-A (KR)
Title: Treating method and apparatus for recycling a waste bumper
Inventor: KIM HAK JUNG
IPC: B29B17/02
Filed: 2001-12-18
Abstract: PURPOSE: Provided is a recycling method for waste bumpers which lets coating separated from a crushed material within a water bath so that it bars harmful solvents from being released outside, with improving working conditions. CONSTITUTION: The recycling method for the waste bumpers comprises the steps of: (i) letting the crushed bumper material supplied to a hopper(20) and pushed out by constant quantity; (ii) having the crushed material rotated by a drive tool including a coating treater to separate coating firstly; (iii) passing the crushed material through solvent and the water bath(10) to separate coating from the crushed material secondly; (iv) allowing the crushed material floated within the water bath to be induced in one direction; and (v) letting the crushed material washed at a washing space(80) at the end of the water bath.
Patent KR-20030050645-A (KR)
Title: ashing equipment of semiconductor device fabricating
Inventor: SHIN IL GWON
IPC: H01L21/3065
Filed: 2001-12-19
Abstract: PURPOSE: Ashing equipment for manufacturing a semiconductor device is provided to be capable of uniformly removing photoresist from the entire surface of a wafer completed with each unit process by uniformly flowing process gas onto the wafer using a plurality of dispersing holes. CONSTITUTION: A through hole(26) is formed in a head plate(28), wherein the through hole is connected through the end portion of a supply pipe. A mid plate(56) is spaced apart from the head plate by the first support ring(30) located at the edge portion of the back side of the head plate, wherein the mid plate includes a plurality of the first and second dispersing holes(58a,58b). A lower plate(38) is spaced apart from the mid plate by the second support ring(36) located at the edge portion of the back side of the mid plate, wherein the lower plate includes a plurality of distributing holes(40). Preferably, the first holes formed at the center portion of the mid plate, has a smaller diameter than that of the second holes formed at the peripheral portion of the mid plate.
Patent KR-20030051978-A (KR)
Title: A manufacturing method of green-tea's bean-curd using a green-tea powder and A green-tea's bean-curd by it's manufacturing method
Inventor: PARK YEON RAE
IPC: A23L11/00
Filed: 2001-12-20
Abstract: PURPOSE: Provided are a manufacturing method of bean-curd using green-tea powder and green-tea's bean-curd manufactured thereby. The green-tea's bean-curd maintains freshness for a long time, shows clear green color and has good product quality. CONSTITUTION: A manufacturing method of bean-curd is characterized by the steps of: adding 2 times of water to soaked beans and pulverizing them; heating the pulverized beans at 100 deg.C for 30-40 deg.C to produce a processed product; filtering the processed product to separate soy milk and soybean dregs; heating the soy milk at 80-90 deg.C and adding a coagulant thereto; and compressing it in a frame.
Patent KR-20030053124-A (KR)
Title: A method for heat treating the laying head pipe having superior wear resistance
Inventor: LIM JONG GAP
IPC: C21D9/14
Filed: 2001-12-22
Abstract: PURPOSE: Provided is a method for heat-treating laying head pipe having superior wear resistance. CONSTITUTION: The method includes the steps of reheating a steel for laying head pipe to the temperature range of 1100 to 1130 deg.C, wherein the steel comprises C 0.10 to 0.15 wt.%, Si 0.25 to 1.00 wt.%, Mn 0.30 to 0.60 wt.%, 0.03 wt.% or less of P, 0.03 wt.% or less of S, Cr 8.00 to 10.00 wt.%, Mo 0.90 to 1.10 wt.%, a balance of Fe and incidental impurities; bending the laying head pipe; cooling the laying head pipe after bending at a cooling rate of 5 to 10 deg.C/sec to 400 deg.C, followed by air cooling to room temperature. During the reheating step, the steel for laying head pipe is held for 20 min in the temperature range of 1100 to 1130 deg.C.
Patent KR-20030059355-A (KR)
Title: Network Management System and Method
Inventor: KIM JEONG GYU
IPC: H04L12/24
Filed: 2001-12-29
Abstract: PURPOSE: A network management system and a method therefor are provided to manage a system installed in a network in which internal access is limited, in a remote place, by relaying a data packet between a managed object system and an operation terminal in a relay server when the operation terminal of a remote manager connects to the relay server. CONSTITUTION: A managed object system(200) is installed in a network in which internal access is limited by a firewall and an NAT(Network Address Translation) equipment. A telephone terminal(100) connects to the managed object system(200), and inputs information necessary for authentication and connecting the managed object system(200) to a relay server(300) of the outside of the firewall by an IVR(Interactive Voice Response) function. The relay server(300) is located in a public Internet of the outside of the firewall of the managed object system(200), for relaying data between the managed object system(200) and an operation terminal(400) of a remote manager.
Patent KR-20010106398-A (KR)
IPC: H03F3/21
Filed: 1998-07-08
Abstract: 제1 주파수 f1과 제2 주파수 f2(f2=2×f1)를 송수신 가능한 이중 대역 대응의 이동체 통신 장치용의 고주파 전력 증폭기 모듈의 출력 회로부를 출력 트랜지스터의 드레인단에 접속한 전송 선로와, 이것에 직렬로 접속한 주파수 f2의 2배인 고조파에 공진하는 병렬 공진 회로와, 이 공진 회로의 일단과 접지간에 설치한 주파수 f1의 2배인 고조파에 공진하는 직렬 공진 회로와, 병렬 공진 회로의 타단에 직렬로 설치한 f1과 f2에 정합한 출력 정합 회로로 구성한다.  그리고, 상기 전송 선로는 상기 드레인단에 존재하는 리액턴스에 의해 f2의 우수차 고조파에 대해 드레인단에서 단락이 되도록 설정하고, 병렬 공진 회로를 구성하는 회로 소자 상수는 직렬 공진 회로와 전송 선로와 상기 드레인단에 존재하는 리액턴스에 의해 f1의 기수차 고조파에 대해 드레인단에서 해방되도록 설정한다.
Patent KR-20010106413-A (KR)
Title: Synthesis gas production by steam reforming
IPC: C01B3/38
Filed: 1998-07-21
Abstract: Process for the preparation of hydrogen and carbon monoxide rich gas by steam reforming of hydrocarbon feedstock in presence of a steam reforming catalyst supported as thin film on the wall of a reactor, comprising steps of (a) optionally passing a process gas of hydrocarbon feedstock through a first reactor with a thin film of steam reforming catalyst supported on walls of the reactor in heat conducting relationship with a hot gas stream; (b) passing effluent from the first reactor to a subsequent tubular reactor being provided with a thin film of steam reforming catalyst and/or steam reforming catalyst pellets and being heated by burning of fuel, thereby obtaining a partially steam reformed gas effluent and a hot gas stream of flue gas; (c) passing the effluent from the second reactor to an autothermal reformer; and (d) withdrawing from the autothermal reformer a hot gas stream of product gas rich in hydrogen and carbon monoxide.
Patent KR-20010072114-A (KR)
Title: 분말 분류 장치
IPC: A61M15/00
Filed: 1999-07-08
Abstract: 본 발명에서는 분해된 분말 (바람직하게는, 흡입용 물질의 형태)을 분류하고, 필요한 경우에는 이렇게 분류된 분말을 정전 대전시키는 방법 및 장치를 개시하고 있다.  상기한 분류는, 적합한 물질을 분해하는 장치로부터 분말이 방출되어, 분말이 적용되는 전기장 (8)에 대해 수직인 방향으로 속도를 갖게 함으로써 수행된다.  전기장의 강도를 조절함으로써, 먼지와 같은 개개의 분해된 분말 입자는 전기장의 도움으로 투여 장치 (9)로 유인되고, 이 장치로부터 개개의 입자가 투여된다.  보다 큰 입자 (응집체)는 운동 에너지가 작은 입자에 비해 크므로, 최초의 속도 방향으로 직진해서 진행한다.  이러한 방법으로, 투여하기에 적합하지 않은 보다 무거운 응집체 입자를 목적하는 개개의 입자와 분리할 수 있다.  이에 따라, 물질을 투여하기에 매우 양호한 상태가 얻어지게 된다.
Patent KR-20010072735-A (KR)
Title: 연료 분사시스템의 제어방법
IPC: F02B47/04
Filed: 1999-08-20
Abstract: 본 발명에 따른 내연기관의 이중 유체 연료 분사시스템의 제어방법은 하나 이상의 분배 분사기 및 상기 하나 이상의 분배 분사기로 가스를 공급하기 위한 압축 가스 공급 수단을 구비한 연료 분사시스템과, 하나 이상의 실린더를 구비하며, 
     하나 이상의 분배 분사기에 공급된 압축가스에서 필요 공급수준 미만으로 감소되었는 지를 결정하는 단계와, 압축 가스 공급이 상기 필요 공급수준 미만이라면, 각 상기 실린더 내의 압력이 분배 분사기의 상류 압력 보다 낮을 때, 상기 하나 이상의 분배 분사기를 개방하는 단계와, 연료가 분배 분사기를 가로지르는 압력차에 의해서 실린더 안으로 유입되도록, 연료를 분배 분사기로 전달하는 단계를 포함한다.
Patent KR-20010088864-A (KR)
IPC: H01L21/027
Filed: 1999-10-02
Abstract: 본 발명은 필름 형성 수지 1 종 이상; 광증감제 성분 1 종 이상; 알킬렌 글리콜 알킬 에테르 50 중량% 초과, 알킬 알콕시 프로피오네이트 또는 알킬 아밀 케톤 50 중량% 미만을 포함하는 포토레지스트 혼합 용제의 혼합물을 포함하는 포토레지스트로서 사용하기에 적절한 광증감성 포지티브 작용 조성물 및 이러한 포토레지스트 조성물의 제조 방법에 관한 것이다.
Patent KR-20010089798-A (KR)
Title: 디스크 카트리지 장치 및 디스크 카트리지
IPC: G11B23/03
Filed: 2000-11-09
Abstract: 디스크 직경이 상이한 디스크가 크기 및 두께가 상이한 각각의 카트리지 캐비닛 내에 격납되고, 카트리지 캐비닛에 개폐 가능한 셔터(7, (21))를 구비하고 있는 디스크 카트리지(1, (21))와, 디스크 카트리지가 드라이브 장치에 삽입되었을 때 셔터 개방 클로(9a)에 의해 셔터가 개방되고, 드라이브 장치로부터 배출되었을 때 셔터 폐쇄 클로(9b)에 의해 셔터(7, (21))가 폐쇄되는 셔터 개폐 부재(9)를 구비하고, 디스크 직경이 큰 디스크 카트리지와 디스크 직경이 작은 디스크 카트리지와의 셔터 개방 위치와 셔터 폐쇄 위치를 동일하게 했다. 또, 디스크 카트리지(1, (21))의 삽입측 단부(端部)를 원호면(圓弧面) 형상(1a)으로 형성하여, 드라이브 장치에의 삽입 방향을 용이하게 인식할 수 있도록 했다.
Patent KR-20010104707-A (KR)
Title: Method and device for treating substrates
IPC: H01L21/027
Filed: 2000-01-19
Abstract: To achieve a uniform coating of a substrate, with an apparatus and a method for coating substrates, according to which the substrate is supported on a substrate holder in such a way that a substrate surface that is to be coated is exposed, and the substrate is rotated together with the substrate holder, a cover can be secured to the substrate holder and together with the substrate holder forms a sealed chamber for the substrate.
Patent KR-20010102425-A (KR)
IPC: B25J13/00
Filed: 2000-12-28
Abstract: 사용자의 다루는 방법이 동일한 경우에, 로봇 장치가 일으키는 행동이나 성장은 동일하게 되어 버려, 싫증을 쉽게 느낀다고 하는 문제가 있었다.  편집 장치 및 편집 방법에 있어서, 소정의 행동 모델에 따라 행동하는 로봇 장치의 행동 모델을 가시 표시하고, 사용자 조작에 응해 가시 표시된 행동 모델을 편집 처리하도록 하였다.  또한 편집 장치 및 편집 방법에 있어서, 소정의 성장 모델에 따라 성장하는 로봇 장치의 성장 모델을 가시 표시하고, 사용자 조작에 응해 가시 표시된 성장 모델을 편집 처리하도록 하였다.
Patent KR-20010113728-A (KR)
Title: Method and device for indicating an undesired operation condition of a centrifugal separator
IPC: B04B13/00
Filed: 2000-03-03
Abstract: An indication device (2) indicates an undesired operation condition of a centrifugal separator (4) and comprises an inlet valve (34) situated in a supply conduit (10) to the separator, and an outlet valve (30) situated in an outlet conduit (12) from the separator. During normal operation of the separator the valves are adjusted in open normal valve positions for passing normal flows through the supply and outlet conduits. A control unit (28) is adapted to activate a signal means (39) to generate an error signal in response to a pressure sensor (32) if the pressure sensor during a predetermined period of time during operation of the separator senses a course of pressure change in the outlet conduit (12) differing from an expected normal course of pressure change, when the inlet and outlet valves during a predetermined period of time are adjusted in valve positions which at least substantially decreases the flows in the supply and outlet conduits from said normal flows.
Patent KR-20020008123-A (KR)
Title: Compositions and Methods for The Treatment of Tumor
IPC: A61K51/00
Filed: 1999-12-02
Abstract: The invention concerns compositions and methods for the diagnosis and treatment of neoplastic cell growth and proliferation in mammals, including humans. The invention is based upon the identification of genes that are amplified in the genome of tumor cells. Such gene amplification is expected to be associated with the overexpression of the gene product as compared to normal cells of the same tissue type and contribute to tumorigenesis. Accordingly, the proteins encoded by the amplified genes are believed to be useful targets for the diagnosis and/or treatment (including prevention) of certain cancers, and may act as predictors of the prognosis of tumor treatment. The present invention is directed to novel polypeptides and to nucleic acid molecules encoding those polypeptides. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention.
Patent KR-20010112950-A (KR)
IPC: B23K26/08
Filed: 2000-04-26
Abstract: 본 발명은 집속된 레이저빔(32a, 32b)의 위치를 정확히 결정하기 위하여 스캐너 좌표를 결정하는 방법(140)과 시스템(10)에 관한 것이다.  상기 집속된 레이저빔(32a, 32b)은 레이저 스캐너(22, 24)에 의해 작업면(36)의 관심 영역(예를 들면, 개구(34))에 스캐닝된다.  상기 집속된 레이저빔(32a, 32b)의 위치는 집속된 레이저빔(32a, 32b)이 작업면(36)의 개구(34)를 통해서 나타날 때 광검출기에 의해 미리 결정된 시간 간격 또는 미리 결정된 공간 간격 중 하나로 검출된다.  상기 집속된 레이저빔(32a, 32b)의 검출 위치는 집속된 레이저빔(32a, 32b)이 검출될 때 상기 레이저 스캐너(22, 24)의 위치에 기초하여 스캐너 위치 대 빔 위치 데이터를 발생시키기 위하여 사용된다.  상기 스캐너 위치 대 빔 위치 데이터는 상기 집속된 레이저빔(32a, 32b)의 원하는 위치와 대응하는 스캔 위치 좌표 및 개구의 중심을 결정하기 위해 사용될 수 있다.
Patent KR-20020024078-A (KR)
Inventor: HA JOUNG LIM
IPC: B65D88/06
Filed: 2002-01-24
Abstract: PURPOSE: A cylindrical storage tank having multiple partitions is provided to improve the dilution capacity of medicine by virtue of smooth water flow while allowing a goat to contact water for a long time. CONSTITUTION: In the cylindrical storage tank designed to receive any fluid in a case composed of an outer wall, a top plate, and a bottom plate in a sealing condition, the outer wall contains plural partitions having cylindrical units of different diameters that are stacked in a multi-stage manner and arranged radially about an axis, and fluid penetrating holes on the lower and upper ends thereof. Plural chambers defined by the outer wall and the partitions constitutes a cylindrical body(100) that is designed to allow the input fluid to be flown through the fluid penetrating holes along a circumference direction thereof when the input fluid is charged in the chambers instantaneously to control the stay time and the flow direction of the input fluid from a water input time point to a water output time point.
Patent KR-20030064052-A (KR)
Inventor: JUNG JAE SANG
IPC: H01J11/26
Filed: 2002-01-25
Abstract: PURPOSE: A method is provided to reduce process time and costs by shortening the time taken in the aging process performed after soldering of the upper and lower plates. CONSTITUTION: A method comprises a step(S1) of producing an upper plate and a lower plate; a step(S2) of performing a plasma cleaning and/or heating process; a step(S3) of soldering the upper plate and the lower plate; a step(S4) of performing an air evacuation/gas injection process; a step(S5) of performing an aging process. Impurities of the upper plate and the lower plate are removed through the plasma cleaning and/or heating process prior to the soldering of the upper and lower plates, to thereby shorten the time taken in the aging process.
Patent KR-20020064200-A (KR)
Inventor: NISHITANI HIROKAZU
IPC: D04B15/48
Filed: 2002-01-31
Abstract: PURPOSE: To provide a yarn feeding device capable of reducing fluctuation of fed knitting yarn tension, and therefore capable of feeding the knitting yarn with accurate length, even when the demanded for the amount of the knitting yarn is rapidly changed. CONSTITUTION: In this yarn feeding device, a knitting yarn 14 is sent out by being nipped between a main roller 20 and a driven roller 21, accumulated according to tilting of a buffer arm 17, and supplied to a knitted fabric 12 through a yarn feeder 13. A yarn feeding controller 31 forecasts the demanded amount of the knitting yarn 14 based on signals from a knitting controller 30, and conducts proportional-integral-derivative(PID) control over a servomotor 22 so that the position of the top side 19 of the arm targets the home position according to a tilt angle of the buffer arm 17 detected by a tilt angle sensor 27.
Patent KR-20030069680-A (KR)
Title: A high speed and low friction linear actuator a bellows type
Inventor: JU MIN JIN
IPC: F15B15/00
Filed: 2002-02-22
Abstract: PURPOSE: A bellows-type high speed linear actuator with low friction is provided to reciprocate and move linearly at high speed by minimizing the friction area of sliding of a slide table with a responsive flexible bellows member. CONSTITUTION: A linear actuator is composed of a cylinder block(10); a bellows moving body having a piston(21) moved and fitted to a cylinder chamber(11) of the cylinder block, cushion sleeves(22) assembled against the piston and opposed to each other, and plural flexible bellows(23) combined between the cushion sleeves and the piston and fixed to the end of the cylinder chamber; a slide table(30) connecting with the piston and sliding; and both head covers(40) sealing and assembling the cylinder chamber of the cylinder block.
Patent KR-20030071253-A (KR)
Title: Unit for separating light waste materials from construction waste
Inventor: YOON IL YONG
IPC: B03B7/00
Filed: 2002-02-28
Abstract: PURPOSE: A unit for separating and collecting suspended impurities contained in constructional wastes is provided to enable the selective extraction of waste concrete only thus allowing the production of high quality regenerative aggregate. CONSTITUTION: The unit for separating and collecting suspended impurities contained in constructional wastes comprises a transfer conveyor(100) for transferring the wastes up to a certain height and dropping them, a blower(112) for primarily separating the impurities by blowing wind toward the dropping wastes, a separation water vessel(122) for immersing the dropped wastes so as to allow the impurities to be risen onto the water surface, thereby allowing them to be secondarily separated, a water current generator for guiding the impurities to be moved in a direction, and a water injector for forcibly pushing the impurities moving along the generated water current.
Patent KR-20020042544-A (KR)
Inventor: PARK BOO SAENG
IPC: B29C59/02
Filed: 2002-03-07
Abstract: PURPOSE: A method for manufacturing elastic styrofoam is provided to shield a noise or an impact sound introduced from an exterior by forming a vacuum sound absorbing space through rolling a styrofoam panel using a drum formed with a projection. CONSTITUTION: A styrofoam panel(30) having a sound absorbing space is fabricated by using an enamel heating wire(10) and a drum. A plurality of metal members(11) having a predetermined shape are arranged on the enamel heating wire(10). When a current is applied to the enamel heating wire(10) through an electric control device(12), heat applied to the enamel heating wire is transferred to the metal members(11) so that the temperature of the metal members(11) is raised. Then, the styrofoam panel(30) is pressed by the metal members(11), thereby forming a sound absorbing hole(31). A rotating shaft is formed at a center of the drum and a protrusion is formed at an edge of the drum. The drum rotates and continuously presses the styrofoam panel(30).