baber/WOPTO huggingface dataset:
Patent KR-20040059505-A (KR)
Title: An Apparatus for Predicting Fracture from Oscillation and Frictional Force in Casting Process
Inventor: KANG YEONG JU
IPC: B22D11/16
Filed: 2002-12-27
Abstract: PURPOSE: An apparatus for predicting fracture of casting slab by measuring oscillation and frictional force of the mold in continuous casting process is provided to prevent facility accident by sensing fracture of the casting slab generated in a mold for producing molten steel injected from tundish into casting slab having desired dimensions. CONSTITUTION: The apparatus comprises one or more of oscillation detectors installed on an upper surface of the mold to detect oscillation width, oscillation speed and oscillation acceleration of the mold; a frictional force operation part(420) for calculating frictional force between the casting slab and the mold using average values of oscillation speed values and oscillation acceleration values detected in the oscillation detectors for a certain period of time; a frictional force analysis part(430) for generating an alarm of casting slab fracture if the frictional force calculated in the frictional force operation part is continuously increased in a certain ratio for a certain time; and an oscillation width comparison part(440) for generating an alarm of casting slab fracture if an average value of oscillation width values detected in the oscillation detectors for a certain time is lower than a preset limit oscillation width.
Patent KR-20040059613-A (KR)
Title: Bad smell removal equipment of livestock shed
Inventor: WUI TAE WOOK
IPC: B01D47/06
Filed: 2002-12-27
Abstract: PURPOSE: Provided is a device for removing odor gases from various livestock breeding farms which removes the odor gases and dusts generated from the various livestock breeding farms and also is able to control the temperature of the livestock breeding farms. CONSTITUTION: The device comprises a main body (30) where a stack (31) is formed on the upper part and an air inhaling device (32) inhaling air in a livestock breeding farm is formed on one side of the lower part, a second purifying part (50) where a screen (51) is installed on the center part of the inner side of the main body and coconut (52) is fully filled in the upper part of the screen, a first purifying part (40) where water is fully filled in the lower part of the inner side of the main body and a space (42) is formed between the top side of the water and the bottom side of the screen and a water spray means where a pump (63) pumping the filled water is installed on the lower part of the inner side of the main body and water spraying pipes (61,62), which are respectively formed on the upper part of the coconut and the upper part of the space and connected to the pump.
Patent KR-20020035838-A (KR)
IPC: G01R3/00
Filed: 2001-05-17
Abstract: 이 프로브 카드 100은, 접촉자 92, 기판 94, 신호 전송로 96, 접지 도체부 98 및 구멍 부분 102를 갖춘다. 신호 전송로 96은 기판 94상에 형성된다. 기판 94는, 유전재료 또는 반도체 재료에 의해 형성된다. 접촉자 92는, 기판 94의 한 면에 있어서, 신호 전송로 96의 선단에 금속 유리 재료에 의해 형성된다. 금속 유리 재료의 미세 가공 기술을 이용함으로써, 접촉자 92를 매우 미세하게 형성하는 것이 가능해진다. 접촉자 92는, 구멍 부분 102의 윗쪽에 설치되어 기판 94로부터 이격되어 형성된다. 접촉자 92는, 기판 94의 표면에 대해서 수직 방향으로 탄성을 가지며, 시험중, 피시험 회로에 형성된 접속 단자에 탄성 접촉하는 것이 가능해진다. 본 발명의 프로브 카드 100은, 금속 유리 재료에 의해 접촉자 92를 형성함으로써, 좁은 피치에 다수의 패드를 가지는 집적회로에 고주파 신호를 전송하는 것이 가능해진다.
Patent KR-20020050233-A (KR)
IPC: H04L25/49
Filed: 2000-10-12
Abstract: 본 발명은 양방향 직접시퀀스 확산대역 반이중 RF 모뎀이다. 이 RF 모뎀은 수많은 아날로그 및 디지털 펄스변조 형식을 송수신하는데 응용될 수 있다. 이 모뎀은 송수신기내의 확산기능과 역학산기능을 수행하는 SAW 코릴레이터를 포함한다. 본 발명의 중요한 특징은, 두가지 다른 SAW(Surface Acoustic Wave; 표면 음향파) 소자의 RF 모뎀을 동일한 모노리딕 기판상에 구성하는데 있다. 첫번째 SAW 소자는 송신기의 발진부에서 공진기로 사용되고, 두번째 SAW 소자는 모뎀의 송신부와 수신부 둘다에 사용되는 코릴레이터(correlator)를 형성한다. 본 발명의 다른 특징은 모뎀에서 소비되는 전력이 매우 낮다는데 있다. RF 모뎀은 펄스 송수신기로 동작하도록 구성된다. 이 RF 모뎀은 여러가지 다른 형태의 데이터 통신시스템에 사용될 수 있을만큼 충분히 범용적인바, 이하 여러가지 예를 제시한다. RF 모뎀은 ISO OSI 통신스택과 같은 계층화된 통신시스템의 물리층(PHY 층)으로 사용될 수 있다. 예컨대, 펄스송신 RF 모뎀을 OOK, PWM,  PPM, 또는 다른 모든 형태의 아날로그/디지털 펄스변조를 포함한 다양한 변조방식에 사용할 수도 있지만, 반드시 이것에 한정되지는 않는다.
Patent KR-20020058019-A (KR)
IPC: G06F17/50
Filed: 2000-11-02
Abstract: 기존의 리소그래픽 충진제를 사용하여 초고밀도집적회로(VLSI)용 디커플링 커패시터의 크기와 충진을 최적화하기 위한 방법. 본 발명의 방법은 리소그래픽 충진 패턴의 자동적 또는 수동적 생성을 커패시터의 형성과 결합시킨다. 본 발명의 방법에 따르면, 칩 레이아웃이 끝나갈 때에, 칩 상에 남아 있는 모든 빈 공간이 레이아웃 도구에 의해 인식된다. 이어서, 가장 가까운 전력공급망이 추출된다. 비어 있는 공간에 가장 가까운 전력공급망이 레이아웃으로부터 추출되고 나면 적합한 형태의 커패시턴스를 결정하는 연결표에서 모든 전력원 및 그 조합이 분류된다. 빈 공간은 이어서 적절한 디커플링 커패시터에 할당된다. 본 발명의 방법에 의해 생성된 디커플링 커패시터는 노이즈 감소를 위한 VLSI 전력원에 적합하다.
Patent KR-20020056955-A (KR)
IPC: B29B7/42
Filed: 2000-09-29
Abstract: 재활용을 위해 플라스틱 물질, 특히 열가소성 폐플라스틱을 전처리한 후, 가소화하거나 응집하기 위한 장치는, 하나 이상의 분쇄 기구가 순환하는 용기(1)를 구비한다.  스크류(8)의 하우징(7)은 용기(1)에 연결되어 있다.  용기(1)의 직경(D)은 스크류 직경(d)에 대하여 하기 관계에 있다: 
     D = (K·d 2 ) 1/3   
     여기에서, D는 mm로 나타낸 용기의 직경이고, d는 mm로 나타낸 스크류의 직경이며, K는 190이상의 무차원 상수이다. 
     그리하여, 용기(1)내의 합성 플라스틱 재료의 체류 시간은 최적치로 유지된다.
Patent KR-20030028452-A (KR)
IPC: G02B6/36
Filed: 2001-02-20
Abstract: 본 발명은 광섬유 네트워크를 설치하기 위한 광섬유 케이블을 결합할 수 있는 광섬유 케이블 커넥터 장치로서, 광섬유 케이블 단부를 수용하여 고정하기 위한 제1 단을 가진 캡 부재, 광섬유 케이블 단부가 들어 있는 캡 부재를 수용하여 체결하고 고정하기 위한 리테이닝 장치를 가진 슬리브 부재, 및 조립된 광섬유 케이블 단부, 슬리브 및 캡 부재를 수용하여 체결하고 고정하기 위한 리테이닝 장치를 가진 커플링 부재를 포함한다.  지지 부재 하우징 내에 슬라이딩 방식으로 장착되는 광섬유 도관을 가진 어댑터는 복수의 단섬유 운반 광섬유 케이블과 이중섬유 운반 광섬유 케이블을 결합하기 위한 인터페이스를 제공한다.  폴리싱을 거의 또는 전혀 행하지 않고 광섬유 단부를 마감처리하는 방법은 조명된 광섬유 단부면을 현미경을 통해 관찰하는 단계를 포함한다.
Patent KR-20030019350-A (KR)
IPC: A61K31/4025
Filed: 2001-04-12
Abstract: 화학식의 변수가 본 개시내용에 정의된 바와 같은 화학식 I의 화합물은, 피코르나바이러스 3C 프로테아제의 생물학적 활성을 유리하게 억제하거나 차단한다.  상기 화합물 및 상기 화합물을 함유하는 약학 조성물은 RVP와 같은 하나 이상의 피코르나바이러스에 감염된 환자 또는 호스트를 치료하는데 유용하다.  또한, 상기 화합물의 제조를 위한 중간체 및 합성 방법이 기술된다. 
     화학식 I
Patent KR-20030007941-A (KR)
Title: A two stage equalizer for trellis coded systems
IPC: H04N5/21
Filed: 2002-04-09
Abstract: For use in a receiver capable of decoding trellis encoded signals, there is disclosed an apparatus and method for reducing error propagation in a two stage decision feedback equalizer. The apparatus of the invention comprises a first stage equalizer comprising a first forward equalizer filter, a first decision feedback equalization filter, and a trellis decoder. The apparatus of the invention also comprises a second stage equalizer comprising a second forward equalizer filter and a second feedback equalization filter. The two stage decision feedback equalizer is capable of obtaining symbol values from the trellis decoder and using the symbol values as estimates in channel equalization. In one embodiment of the invention, a two stage decision feedback equalizer is provided in which forward filter coefficients remain constant for the duration of D symbols.
Patent KR-20040062759-A (KR)
Inventor: KIM SANG PIL
IPC: C08J5/18
Filed: 2003-01-03
Abstract: PURPOSE: A biaxially oriented polyester film for a molded container is provided, to improve the releasability under water atmosphere, the thermal stability at a high temperature and moldability. CONSTITUTION: The biaxially oriented polyester film comprises an ethylene terephthalate unit and/or an ethylene naphthalate unit and 0.3-5 wt% of an inorganic particle having an average particle size of 2-10 micrometers, and has an elongation of 250-350 % at a room temperature. Preferably the inorganic particle is silica. The elongation of machine direction of a film and that perpendicular to the direction are isotropic.
Patent KR-20040063497-A (KR)
Inventor: HONG SEUNG HO
IPC: A61F5/00
Filed: 2003-01-08
Abstract: PURPOSE: Provided are a method for manufacturing a backbone scoliosis supporting equipment for sleep and an apparatus therefor to minimize inconvenience, which is caused by maintaining inordinate posture, by reducing unnecessary movement of backbone and leading bending of the side at the correct part, and maximize the effect of remedy. CONSTITUTION: The backbone scoliosis supporting equipment for sleep is manufactured by including a head fixing stool and a leg fixing stool(7) to remove lordosis of the backbone before an operation of making an external form by gyps. A support stool and a side support stool with a scale ruler lead a proper posture suitable for reforming scoliosis. A pad(17), possible to put on and take off, helps to form and maintain a side bended posture which needs to reform the scoliosis. As a result, the bent position and the rate are evaluated thereabout. Also, the backbone scoliosis supporting equipment for sleep is possible to be evaluated and confirmed for a fixed intensity and a position by adding a body forming step in the operation of making the external form by gyps. A side fixing stool reduces inordinate operation at the lumber area, which makes more convenient posture by enabling reform of the scoliosis only by bending the lumber area smaller.
Patent KR-20040070501-A (KR)
Inventor: KIM GI DEOK
IPC: H04W4/16
Filed: 2003-02-03
Abstract: PURPOSE: A method for displaying and calling a phone number of a mobile terminal is provided to display and originate a phone number by discriminating when a user is connected to a wireless private network and when the user is connected to a public network, although the user inputs a partial number only of the phone number for searching the phone number. CONSTITUTION: When a function key and search numbers are inputted(402), a controller checks to determine whether a phone number including the inputted numbers exists in a phone book of an internal memory(404,406). If there is a phone number including the inputted numbers in the phone book, the controller determines whether a user is positioned in a private network service area(407). If the mobile terminal is within the private network service area, the controller adds a public network access character in front of the searched phone number and displays it on a display unit(408). When a user selects the phone number displayed on the display unit(410), the controller determines whether an origination key is selected for the corresponding phone number(412). When the user originates a call with the selected phone number, the controller originates a call to the phone number displayed on the display unit(414).
Patent KR-20030043802-A (KR)
Inventor: KIM JUNG SOO
IPC: A47C17/00
Filed: 2003-02-04
Abstract: PURPOSE: Provided is a sofa capable of receiving a massage device, by which a massage device is stored without need of a separate storage space for the massage device. CONSTITUTION: The sofa(100) includes a leg space(120) between legs(110) of the sofa(100); a rail disposed at the inner legs(110) of the leg spaces(120); a massage device die(200) of a rectangular shape having wheels(220) at the bottom corresponding to the rail to be guided by the rail; and a moving carrier driven by a driving source in the massage device die(200) and having a plurality of osteopathy rollers. On the massage device die(200), a detachable cushion cover(400) is provided to maintain the movements of the osteopathy rollers.
Patent KR-20040072751-A (KR)
Inventor: PARK YOUNG HWA
IPC: G02C9/00
Filed: 2003-02-10
Abstract: PURPOSE: An apparatus for connecting auxiliary spectacles to spectacles is provided to minimize exposure of a connecting device without using an additional adhesive member by improving a structure of the connecting device. CONSTITUTION: An apparatus for connecting auxiliary spectacles to spectacles includes a coupling part, an operating section, and a sliding plate. The coupling part(10) is coupled to the spectacles. The operating section(12) is projected from the coupling part. The operating section is rotated around a pin(6) of the coupling part when the operating section is projected from the coupling part. The sliding plate(16) is projected from the operating section. An end part of the sliding plate is connected to the auxiliary spectacles.
Patent KR-20030022250-A (KR)
Inventor: EZUMI MASAKUNI
IPC: B23K20/12
Filed: 2003-02-25
Abstract: PURPOSE: To obtain a good joining even in the case of being a large gap between butting parts of two members. CONSTITUTION: Cutting is applied along the butting parts of two members 10, 20 with a cutting tool 60. A supplemental material 30 is inserted into a gap 40 generated with the cutting and the projecting parts 12, 22 are pressed with a roller 70, and the supplemental material 30 is fixed by caulking the projecting parts 12, 22. Successively, the friction stirring-joining is applied to the projecting parts 12, 22 and the supplemental material 30 with a rotating tool 80. The supplemental material can be filled up into the gap by welding without cutting or the friction stirring-joining can be applied by approaching two members after cutting.
Patent KR-20030071562-A (KR)
Title: 전자모듈 조립장치, 모듈 조립방법 및 모듈조립체용제조물품
IPC: H01R12/71
Filed: 2003-02-27
Abstract: 전자모듈 조립체용 장치, 방법 및 제조물품이 도시되고, 헤더가 모듈에 조립된 후에 장착된 핀 정리기를 포함한다.  대항력은 모듈 상에서 헤더에 적합한 상대적으로 고착앵커 뿐만 아니라 모듈에 적합한 배향과 핀 어레이에 적한 지지를 제공하기 위하여 정리기, 헤더 및 모듈 조립체를 텐션시킨다.
Patent KR-20040005571-A (KR)
Inventor: JACKSON WARREN B
IPC: H01L29/861
Filed: 2003-02-28
Abstract: PURPOSE: A flexible hybrid memory element is provided to be capable of obtaining a low-priced memory cell array at a low production cost. CONSTITUTION: A memory cell apparatus includes a flexible hybrid memory element. The flexible hybrid memory element includes a flexible first conductive layer(320) formed adjacent to a flexible substrate(310). A flexible diode structure(330) is formed adjacent to the flexible first conductor(320). A flexible switch(350) is formed adjacent to the flexible diode structure. A flexible second conductive layer(360) is formed adjacent to the flexible switch. The flexible switch is generally formed from an organic material. The flexible diode structure is generally formed from a disordered, inorganic material. The flexible switch(350) is formed to create a high resistance path when a threshold amount of current is passed through the flexible switch.
Patent KR-20030024754-A (KR)
Inventor: KIM TAI OHG
IPC: B03C3/32
Filed: 2003-03-04
Abstract: PURPOSE: Provided is an air cleaner which configures a dust collection part as a water bath to make ease of collecting dusts and washing so that it contributes to improve productivity. CONSTITUTION: The air cleaner comprises the parts of: a case(20) which reduces flow speed of air quickly; a blower assembly(22) which induces outer air to be extended downwardly from an upper side; a filter assembly(26) which is placed at an absorption hole(24) of the case to collect dusts; a discharge pin assembly(28) which is placed at the lower side of the case to collect the dusts electrically; the water bath(30) which stores water to permit anode; a controller for water level which is placed at the water bath or the case; and a purified release hole(34) which is placed at the case around the water bath to release purified air.
Patent KR-20040079528-A (KR)
Inventor: HONG SEONG HO
IPC: H01M10/04
Filed: 2003-03-07
Abstract: PURPOSE: An apparatus for layering electrode plates and its method are provided, to allow a pair of anodes and cathodes to be produced continuously, thereby improving the productivity of a lithium ion polymer battery. CONSTITUTION: The method comprises the steps of punching a pair of anodes from anode unwinder which is a roll-shaped anode-wound anode film where anodes are arranged in two rows to separate them; picking up the anodes transferred by a conveyer by three and covering the three anodes from the both sides with a separator to form a film; compressing the anode film; preheating the compressed film; removing a milder from the top and bottom parts of the preheated film; adhering three cathodes to the corresponding anodes of the film; adhering a miler to both sides of the cathode-adhered film; compressing the film from the both sides; cutting the film along the center line of a pair of electrode plates of the film to separate the electrode plates, peeling off a miler from the film, and cutting the film by a certain length; and picking up the cut film and rotating it by a certain angle to load it to a pellet.
Patent KR-20040082792-A (KR)
Inventor: KIM DO WAN
IPC: B23P19/06
Filed: 2003-03-20
Abstract: PURPOSE: An automatic inserting machine is provided to improve working efficiency and productivity by automatically and quickly inserting insert nuts. CONSTITUTION: An automatic inserting machine is composed of a mold jig(10) firmly supporting a monitor case(C) and having a feed cylinder(11), a press loading unit installed at the top of the mold jig and having cushion cylinders(22) and pads(24), a press operating unit connected to the feed cylinder and having supply jigs(31) and operating cylinders(32), a supply unit, and a control box(50). The supply unit automatically supplies insert nuts to the supply jig, and has a chute and a feeder.
Patent KR-20030080204-A (KR)
Title: 무선 통신 시스템들에서의 에러 검출 방법들
IPC: H04L1/00
Filed: 2003-03-28
Abstract: 에러 검출 방법은 무선 통신 시스템에서 사용자 장비(UE)에 의해 동시에 수신되는 각각의 제어 채널의 일부를 디코딩하는 단계를 포함한다.  UE에는 하나 또는 그 이상의 제어 채널들이 디코딩 단계 동안 성공적으로 수신되었는지를 결정하는 기술들이 제공된다.  하나 이상의 제어 채널이 성공적으로 수신되었으면, 방법은, 특정한 UE에 대해 정확한 제어 채널을 선택하도록 "타이-브레이킹(tie-breaking)" 메커니즘으로서의 역할을 하는 계산된 경로 메트릭 차들(path metric differences; PMD)에 기초하여 성공적으로 수신된 제어 채널들 중 단지 하나를 선택한다.
Patent KR-20040086668-A (KR)
Inventor: LEE SEUNG WON
Filed: 2003-04-03
Abstract: PURPOSE: A method and a device for an Internet serial game service are provided to double an interest of the game by making a gamer wait for a predetermined time as introducing a serial method that a qualification for advancing a story to a next chapter is given to the gamer clearing one chapter. CONSTITUTION: A server(20) comprises a web server(22) having a membership registration function of a client on the web, a game server(24) storing a game execution/result value, and a database server(26) storing data. The database server includes a basic information storage(28) storing the basic data needed for installing/executing/interfacing the game, a serial data storage(30) storing each serial data containing contents of each chapter by dividing the chapter of a game program into many parts, and a memory space(32) for registered member users. The game server includes a download page(36) enabling the client to download the basic data and the serial data from the database server, and a game manager(34) performing the game by executing the game program installed to the client.
Patent KR-20030036446-A (KR)
Inventor: KIM JUNG DAL
IPC: C02F1/46
Filed: 2003-04-03
Abstract: PURPOSE: A neutralizing method of toxicity of toxic fishes and shellfishes and acidic soil is provided, which can simply conduct detoxification of toxic fishes and shellfishes or neutralize swellfish poison by just dipping them into alkali water separated from sea water by electrolysis or mixture of alkali water and alkali matter. The method also can neutralize acidic soil and provide mixture of alkali water and alkali matter to be used for fertilizer. CONSTITUTION: In the neutralizing method of toxicity of toxic fishes and shellfishes and acidic soil, the method comprises the steps of generating acidic water and alkali water by electrolysis of sea water; neutralizing toxic fishes and shellfishes by alkali water produced by adding additive of Mg(OH)2, CaO.
Patent KR-20040087681-A (KR)
Inventor: KANG MYEONG GWON
IPC: B21B39/02
Filed: 2003-04-07
Abstract: PURPOSE: An apparatus for controlling up-loop of wire rod rolling is provided to improve quality of wire rod products as well as productivity of the wire rod products by effectively controlling the strip proceeding state according to rolling conditions. CONSTITUTION: In an apparatus(1) for controlling up-loop of wire rod rolling, wherein the apparatus performs up-loop operation to control load (tension) of strip (S) in intermediate finish rolling and finish rolling processes during rolling of wire rod and bar steel, the apparatus comprises a parallel roll angle adjusting part(30) comprising parallel rolls(525) positioned at points on the strip at which formation of up-loop is started and finished between front and rear rolling rolls(510a,510b), and a motor(32) for rotating the parallel rolls, wherein the parallel rolls are rotated in an up-loop formation direction through screw shafts and gear links by operation of the motor; an up-loop roll adjusting part(50) comprising an up-loop roll(540) positioned between the parallel rolls, and a driving cylinder(52) for rotating the up-loop roll to control up-loop by lifting the strip; a scanner(550) for transmitting the detected up-loop as an electrical signal by detecting up-loop of the strip passing through the parallel rolls; and a controller(70) for controlling up-loop as preventing vibration of the strip by electrically controlling the motor(32), driving cylinder(52) and driving motors for the front and rear rolling rolls based on signals of the scanner, thereby moving the parallel rolls in an up-loop direction of the strip.
Patent KR-20040087529-A (KR)
Inventor: HAN JAE WON
IPC: H01L21/28
Filed: 2003-04-08
Abstract: PURPOSE: A method for forming a metal interconnection of a semiconductor device is provided to prevent blister by densifying a barrier metal film in a contact hole or a via hole. CONSTITUTION: An interlayer dielectric is formed on a substrate with a lower metal line. A via hole is formed to expose the lower metal line by selectively etching the interlayer dielectric. A barrier metal film including Ti and TiN is formed at inner walls of the via hole, wherein the thickness of Ti is 180Å and below and the thickness of TiN is 90-100Å. The barrier metal film is treated by plasma. A tungsten film is filled in the via hole.
Patent KR-20040090789-A (KR)
Inventor: JUNG DONG GEUN
IPC: C08G18/48
Filed: 2003-04-18
Abstract: PURPOSE: A liquid polyurethane composition for forming the bottom impact sound screening structure of multifamily housing and a method for forming the bottom impact sound screening structure by using the composition are provided, to improve the screening effect of bottom impact sound and allow the heat to be transmitted from a heating pipe to a surface finishing material with small temperature difference. CONSTITUTION: The polyurethane composition comprises a first composition comprising 20-30 wt% of dioctyl phthalate as a plasticizer, 3-5 wt% of methylethylketone as a solvent, 10-20 wt% of calcium carbonate having an average diameter of 5-10 micrometers and the balance of a common polyurethane polymer whose free NCO group content is controlled to be 5-10 %; and a second composition comprising 30-40 wt% of a dioctyl phthalate, 5-10 wt% of ethylene oxide, 10-20 wt% of water and the balance of calcium carbonate having an average diameter of 5-10 micrometers, in the ratio of 2-3 : 1 by weight. Preferably the calcium carbonate contained in the first composition is coated with an aliphatic carboxylic acid of C6 or more or its ester.
Patent KR-20040091282-A (KR)
Inventor: JAING MI HI
IPC: C04B18/16
Filed: 2003-04-21
Abstract: PURPOSE: Provided is a production method of ready mixed concrete for road paving, parking lot paving or concrete structures by using waste concretes instead of sand and gravel as aggregates. CONSTITUTION: The ready mixed concrete for construction structures is produced by the following steps of: (S100) crushing waste concrete to an effective size and removing impurities from concrete; (S110) separating crushed concrete into aggregates(<=20-27mm size) and powders(<=4-7mm size) by screening; (S120) mixing concrete pieces and natural gravels, having the same size, in a weight ratio of 0.3-0.5 : 1 to get mixed aggregates; mixing concrete powders and natural sands in a weight ratio of 1 : 1 to get mixed powders; (S130) feeding mixed aggregates, mixed sands and cement into each hopper and (S140) transferring; (S150) mixing 36-45wt.% of transferred aggregates, 35-43wt.% of mixed powders, 11-17wt.% of cement, 0.08-0.1wt.% of admixture and 5-7wt.% of water.