baber/WOPTO huggingface dataset:
Patent KR-20020032353-A (KR)
Inventor: BABA KATSUYA
IPC: C07F7/08
Filed: 2001-10-24
Abstract: PURPOSE: To provide a silicone rubber composition for extrusion molding which has a high curing rate and which can be a silicone rubber extrusion molded article with little blooming and surface tack after curing, and to provide a method for producing the article. CONSTITUTION: This composition comprises (A) a silicone rubber base compound of 100 pts.wt., which is composed of (a-1) a diorganopolysiloxane raw rubber, (a-2) a reinforcing silica, and (a-3) an organosiloxane oligomer of which the both terminal silanol groups have been hindered or a hexaorganodisilazane, (B) an organic peroxide of 0.1-10 pts.wt. which is represented by the formula: R-COOOCOO-R1-OOCOOOC-R and (C) an alkyl organic peroxide of 0.05-10 pts.wt.
Patent KR-20030037764-A (KR)
Title: Method producing mud remitar and thereof apparetus
Inventor: CHANG TEA YOUNG
IPC: B28C5/12
Filed: 2001-11-05
Abstract: PURPOSE: Provided is a production process of mud remitar which recycles the dispensed slime and mud so that it helps to create nature-friendly environment. CONSTITUTION: The production process of mud remitar comprises the steps of: (i) allowing mud to be stored at a tank(100); (ii) letting the mud selected as large-sized clay and small-sized clay or water through a screen(200); (iii) crushing the small-sized clay or water to far smaller size in a slurry stirring bath(300) and stirring the crushed particles to prevent hardening; (iv) separating water and the clay from the stirred mud at a separator(400); (v) releasing water from the separator, projecting the small-sized clay and the screened large-sized clay into a sand stirring bath(500) and stirring the mixture; (vi) projecting the stirred mixture into a mixer(600) and mixing them; and (vii) releasing the mixed mortar to construction sites.
Patent KR-20020038528-A (KR)
Inventor: MICHIOKA HIDEKAZU
IPC: F16C29/06
Filed: 2001-11-16
Abstract: PURPOSE: To provide a linear guiding means removing a snag when a rolling element rolls from an unladen area into a laden area and capable of reducing sliding resistance and noise during relative movement of a slider and a raceway rail at high speed. CONSTITUTION: The linear guiding means is provided with the raceway rail with a rolling face of the rolling element formed along a longitudinal direction, the slider attached to the raceway rail so as to relatively move and provided with a laden rolling face facing the rolling face, a return passage of the rolling element parallel with the laden rolling face, and a pair of direction change passages respectively connecting both end parts of the laden rolling face and the return passage and completing an endless circulation passage of the rolling element, and a plurality of the rolling elements bearing a load between the laden rolling face of the slider and the rolling face of the raceway rail and circulating in the endless circulation passage. Stepped parts where the laden rolling face is lower to side wall faces of inner diameter sides of the direction change passages are formed in portions connecting the direction change passages and the laden rolling face.
Patent KR-20030042071-A (KR)
Title: Method of forming a nitride layer in a semiconductor device
Inventor: JUNG I SEON
IPC: H01L21/20
Filed: 2001-11-20
Abstract: PURPOSE: A method for fabricating a nitride layer of a semiconductor device is provided to prevent an agglomeration in a salicide layer and make boron ions not diffused to the inside of a gate oxide layer by controlling a process condition while depositing the nitride layer in a single-type chamber. CONSTITUTION: The salicide layer is formed on a substrate through a predetermined process. The nitride layer is formed on the substrate to form a borderless contact(BLC). The substrate is loaded into deposition equipment while the temperature of the deposition equipment is maintained at the same temperature as the deposition temperature of the nitride layer. The inside of the deposition equipment is stabilized. The inner pressure of the deposition equipment is controlled and pumped to be equal to the deposition pressure of the nitride layer. The contaminant inside the deposition equipment is exhausted to the outside. The nitride layer is deposited on the salicide layer. The residue or other reaction byproducts is exhausted to the outside of the deposition equipment. The nitride layer is formed through an unloading process.
Patent KR-20020042449-A (KR)
Inventor: ARORA PANKAJ
IPC: H01M10/50
Filed: 2001-11-27
Abstract: PURPOSE: A secondary lithium battery construction is provided to be capable of improving heat conductivity. CONSTITUTION: Jelly roll(36) is made in a conventional fashion with the exception that negative electrode(38) is longer than separator(40) or positive electrode(42). Thus, when the jelly roll is completely wound, a copper current collector of the negative electrode(38) is visible. The jelly roll(36) is inserted into a can(12), so that a collector of electrode(38) is in thermal contact with the interior surface of the can(12). A tab(44) may be welded to can(12) and thereby provides good electrical contact, just as a tab(46) may be welded to lid(14) to provide good electrical contact. In a cell, a copper current collector would be in contact with the can or an aluminum current collector would be in contact with the can. The current collector is an excellent heat conductor, so that heat generated in the interior of the jelly roll(36) may be efficiently transferred to the exterior surface of the metal can(12).
Patent KR-20030043448-A (KR)
Title: apparatus for NTRU Cryptosystem
Inventor: CHOI YONG JE
IPC: H04L9/14
Filed: 2001-11-28
Abstract: PURPOSE: An NTRU encoding/decoding device is provided to perform efficiently an NTRU encoding/decoding process by improving a structure of the NTRU encoding/decoding device. CONSTITUTION: The first storage portion(12) stores an input message for NTRU encoding and a secret key for NTRU decoding. The second storage portion(13) stores an input value of a polynomial expression using p as a modular value of a coefficient. The third storage portion(14) stores an input value of a polynomial expression using q as a modular value of a coefficient. An NTRU calculation portion(16) performs an NTRU cryptographic calculation and a decoding calculation for values of the first to the third storage portions. The fourth storage portion(17) stores an output value of the NTRU calculation portion. An output selection portion(18) determines an output operation of the fourth storage portion. A modular calculation portion(19) performs a modular calculation process for an output value of the output selection portion. An NTRU control portion(15) controls each register and the NTRU calculation portion.
Patent KR-20030045519-A (KR)
Title: Injector For Atomizing
Inventor: HWANG DU SEOP
IPC: H01L21/205
Filed: 2001-12-04
Abstract: PURPOSE: A jetting injector is provided to be capable of effectively supplying material and simultaneously preventing the characteristic deterioration caused by the heating of a common injector by switching the jetting injector by using an inverse piezoelectricity phenomenon through piezoelectric material having a rapid response speed and thermal endurance. CONSTITUTION: A body part(110) is provided with an injection port(112), a jet port(114), and a pipe(116) for connecting between the injection port(112) and the jet port(114). A switching part(120) is installed in the pipe(116) for switching the jet port(114). A piezoelectric transducer(125) is installed at one side of the switching part(120) for driving the switching part(120). Preferably, the piezoelectric transducer(125) includes piezoelectric material and parallel panels located at both sides of the piezoelectric material. Preferably, the piezoelectric material is at least one selected from a group consisting of PZT, BTO(BaTiO3), PMN(Pb-Mg-Nb), SBT(SrBi2Ta2O9), LiNbO3, and BaMgF4.
Patent KR-20030048647-A (KR)
Title: Wet tissue containing herb medicine extract for baby and method for preparing same
Inventor: LEE GYEONG HUI
IPC: A47K10/00
Filed: 2001-12-12
Abstract: PURPOSE: Provided are a water tissue for baby using Oriental medicine which is produced in a simple way and has excellent safeness in application to the baby skin and a method for producing the same. CONSTITUTION: The water tissue is made of span lace, non-woven fabric, paper or pulp. A part or all of the components of the water tissue contain 0.2 to 1 wt% of artemisiae asiaticae herba extract, 0.4 to 2 wt% of Morus alba linne extract and 0.4 to 2 wt% of ramulus mori extract. The tissue may contain the extract in an mount of 0.01 to 20 wt% based on the total weight of the tissue. The extract is produced by boiling 500 ml of water, followed by filtering; adding 1 g of artemisiae asiaticae herba, 2 g of Morus alba linne and 2 g of ramulus mori to the filtrate; keeping the temperature in the distiller 80-120 deg.C; and condensing the steam to obtain extract. The extract is applied to raw material for tissue in an amount of 7 g.
Patent KR-20030053150-A (KR)
Inventor: LEE GYE YEONG
IPC: C21C7/06
Filed: 2001-12-22
Abstract: PURPOSE: A flux composition for Al-killed steel is provided, which can effectively control alumina inclusions in molten steel and improve cleanliness of molten steel, thus prevent nozzle clogging during continuous casting. CONSTITUTION: The flux composition comprises calcium oxide 35 to 65 wt.%, aluminum oxides 25 to 45 wt.%, zinc powder 4 to 8 wt.% and copper powder 8 to 16 wt.%.
Patent KR-20030058545-A (KR)
Title: A method for manufacturing of tft-lcd
Inventor: AHN SEONG JUN
IPC: G02F1/1343
Filed: 2001-12-31
Abstract: PURPOSE: A method for manufacturing a thin film transistor liquid crystal display is provided to enlarge the size of a storage capacitor by forming a dielectric substance of the capacitor with only a gate insulating film, thereby improving an aperture ratio. CONSTITUTION: A plurality of gate lines(101) are formed on a lower glass substrate by using a first mask process and a plurality of common lines(102) are formed between the gate lines at the same time. A gate insulating film is formed on the lower glass substrate. Active patterns are formed on gate electrodes by using a second mask process. A plurality of data lines(104) are formed by using a third mask process to cross the gate lines on the common lines at right angles. A passivation film is formed on the data lines. Contact holes(106) and via holes(107) are formed by using a fourth mask process to partially expose the data lines and the common lines. Pixel electrodes(108) are formed in pixel areas including the contact holes and the via holes by using a fifth mask.
Patent KR-20010079592-A (KR)
IPC: A01N59/16
Filed: 1999-07-20
Abstract: 본 발명은 식물 성장을 저해하지 않고 식물의 내성을 개선시키는 방법에 관한 것이다.  본 발명의 방법에서, 식물은 오르토-치환된 벤조산, 바람직하게는 살리실산, 및 유기 아민 및 유기 아민으로 대사될 화합물로 이루어진 군으로부터 선택되는 질소 함유 화합물로 처리된다.  바람직한 것은 폴리아민, 3차 아민, 프로필아민 및 대사되어 프로필아민을 생성하게 되는 유기 화합물이다.  선택적으로는, 식물이 동시에, 바람직하게는 알칼리 토금속, 전이 금속 및 붕소로 이루어진 군으로부터 선택되는 킬레이트화 미량영양소 금속으로 처리된다.  최종적으로, 식물을 선택적으로는 에틸렌-유도 화합물, 바람직하게는 인돌-3-부티르산으로 처리한다.  바람직한 방법은 적절한 담체 매질 중 용매를 통하여 식물의 잎에 적용하는 것이다.
Patent KR-20010074917-A (KR)
Title: 주파수 변조신호 수신방법 및 장치
IPC: H04B1/10
Filed: 1999-09-02
Abstract: 주파수 변조 열차 검지신호를 사용하여 열차를 검지하도록 차축 단락회로로 인해 수신된 신호의 레벨이 저하하기 때문에 복조의 유무에 따라 열차를 검출하기 위해 잡음에 대해 높은 내성을 갖는 열차 검지방법으로, 주파수 의존 복조전에, 신호의 진폭을 증폭하는 이득처리, 특정 레벨에 대해 이득 처리의 출력신호의 진폭을 제한하는 리미터 처리, 및 리미터 처리를 조합하여 수행하여 이득에 의해 복조 신호의 레벨의 하한을 임의로 설정하여서 임의로 열차 검출의 한계값을 설정하기 때문에 발생된 고조파를 제거하는 필터 처리를 하는 방법이다.
Patent KR-20010080775-A (KR)
IPC: G01N23/223
Filed: 1999-12-06
Abstract: 본 발명은 광도파관을 형성하는데 사용되는 수트 예형(12)의 적어도 일부를 구성하는 수트에 있는 도펀트의 농도를 결정하는 방법 및 장치에 관한 것이다. 광자 원(30)은 맨드럴(14) 상에 있는 수트 예형을 조사한다. 조사된 수트로부터 X-선 형광 방출이 검파되고, 도펀트 농도는 검파된 X-선 형광 방출에 기초하여 결정된다. 부가적으로, 예형 상의 층에 있는 도펀트 농도는 수트 내의 도펀트 농도 및 미리 결정된 농도 사이의 편차를 결정하기 위하여 검파된 X-선 형광 방출을 사용하고, 편차에 기초하여 침적 조건을 조정함으로써 제어될 수 있다.
Patent KR-20020000150-A (KR)
Title: Cosmetic preparations
IPC: A61K8/06
Filed: 2000-03-03
Abstract: The invention relates to cosmetic preparations containing (a) water-soluble beta-(1,3) glucans, substantially devoid of beta-(1,6) links, and (b) chitosans. The agents are suitable for hair care and personal hygiene and can also be used for sun protection.
Patent KR-20010109323-A (KR)
IPC: G06F12/14
Filed: 2001-01-26
Abstract: 세이브 데이터의 시큐러티를 확보 가능하게 한 데이터 기록 재생기 및 세이브 데이터 처리 방법을 제공한다.  프로그램에만 고유한 암호 키, 예를 들면 콘텐츠 키, 또는 콘텐츠 키에 기초하여 세이브 데이터 암호화 키를 생성하여 세이브 데이터를 암호화하여 기록 디바이스에 저장하고, 재생 시에는 프로그램 고유의 세이브 데이터 복호화 키에 의해 복호 처리를 실행한다.  또한, 기록 재생기 고유의 키, 또는 사용자 패스워드를 이용하여 세이브 데이터 암호 키, 복호 키를 생성하여 세이브 데이터의 암호화, 복호화를 실행하여 세이브 데이터의 저장, 재생을 실행하는 등, 각종 제한 정보에 기초한 세이브 데이터 암호 키의 생성을 가능하게 하였다.
Patent KR-20010114254-A (KR)
Title: Method for fractionation of water soluble or dispersible polymers containing amino groups with a broad molar mass distribution
IPC: B01D61/22
Filed: 2000-05-09
Abstract: A process for fractionating water-soluble or water-dispersible amino-containing synthetic polymers having a broad molar mass distribution by ultrafiltration, wherein the polymer solution or dispersion to be fractionated is fed continuously into an ultrafiltration circulation with at least one ultrafiltration unit, and retentate having a narrower molar mass distribution and permeate are discharged continuously, in such a way that the ultrafiltration circulation is essentially in a steady state, the polymers obtainable by this process and their use.
Patent KR-20020016799-A (KR)
IPC: A61K/
Filed: 2000-04-25
Abstract: 본 발명은 하기 화학식 1의 화합물 및 그의 제약학적으로 허용되는 염, 전구약물 및 용매화물에 관한 것이다.  본 발명은 또한 화학식 1의 화합물을 함유하는 제약 조성물, 감염의 치료에 화학식 1의 화합물을 사용하는 방법, 및 화학식 1의 화합물을 제조하는 방법에 관한 것이다. 
     <화학식 1> 
     
       
     
     상기식에서, R 1 , R 2 , R 3 , R 4 , R 5 , R 17 , R f , A, X 및 Y는 명세서에 정의한 바와 같다.
Patent KR-20020016856-A (KR)
IPC: A61K47/02
Filed: 2000-06-26
Abstract: Apo-2 리간드 및 2가 금속 이온을 사용한 Apo-2 리간드의 제제를 제조하는 방법들이 제공된다.  이러한 2가 금속 이온은 아연 및 코발트를 포함하고, Apo-2 리간드 삼량체 형성 및 안정성을 개선시킨다.  올리고뉴클레오티드-지정 돌연변이유발을 사용하여 동정된 Apo-2 리간드 변이체 폴리펩티드와 함께, Apo-2 리간드의 결정 구조가 또한 제공된다.
Patent KR-20020089128-A (KR)
Inventor: TANIGUCHI SHINJI
IPC: G01F1/68
Filed: 2002-01-03
Abstract: PURPOSE: To provide a flow detector enhanced in detection precision compared with that in the prior art by effectively reducing a leaned error even when a measured fluid is pulsated and accurately detecting the flow rate of a fluid to be measured. CONSTITUTION: This flow detector is provided with a flow detection means 50 for outputting a flow detection signal Sf in response to the flow rate of a fluid to be measured using a heat transfer phenomenon from a heating resistance 12 provided in the measured fluid to the fluid to be measured, and a gain compensation means 60 for amplifying the flow detection signal Sf from the flow detection means 50 to compensate the error of the signal Sf. The gain compensation means 60 amplifys the flow detection signal Sf with a substantially-fixed alternating current gain G3 larger than a direct current gain G1 in the time when a frequency is zero, in a frequency area higher than a frequency f2A corresponding to the minimum pulsation frequency of the fluid to be measured.
Patent KR-20020023253-A (KR)
Inventor: JANG SEOK GYU
IPC: B21D53/02
Filed: 2002-01-04
Abstract: PURPOSE: A method for manufacturing a fin-tube type heat exchanger is provided to completely stick a bending portion of a fin to a tube by press-fitting the tube into a perforation hole of the fin formed with the bending portion. CONSTITUTION: A plurality of perforation holes are formed in such a manner that a steel tube(31) is inserted into a steel fin(21). A plurality of circular perforation holes are formed in the steel fin(21) by punching the steel fin(21) through a press or a punching machine. Then, the diameter of the perforation hole is enlarged and a bending portion(23) is formed by burring the perforation hole. The bending portion(23) is provided by forming burrs in an insert direction of a burring device. By inserting the burring device into the perforation hole, the diameter of the perforation hole is slightly enlarged and the bending portion(23) is formed along a sidewall of the perforation hole. After that, the steel tube(31) is press-fitted into the steel fin(21) formed with the perforation hole, thereby obtaining a heat exchanger.
Patent KR-20020060604-A (KR)
Inventor: NUMAO TAKAJI
IPC: G09G3/22
Filed: 2002-01-10
Abstract: PURPOSE: A display device is provided to reduce the number of wires in a display area while reducing power consumption when realizing multi-gray-level display. CONSTITUTION: The display device(61), though being an EL display using an electro-optical element as an organic EL element(62), is realized by using a liquid crystal element or an FED element. A TFT(Thin Film Transistor) element which is formed on a substrate(63) in the present arrangement is produced in a CGS (Continuous Grain Silicon) TFT manufacturing process, a commonly used poly-Si TFT process or the like. In the display device(61), roughly, a CPU (Central Processing Unit)(64) communicates data with a memory(65) serving as a flash memory and an SRAM(Static Random Access Memory), thereby storing data for display in an SRAM(66) on the substrate(63). The data stored in the SRAM(66) is written, and periodically read out, when given an instruction from a controller driver(67) which is under the control of the CPU(64), thereafter being stored in a memory element M formed within each pixel area A.
Patent KR-20020061537-A (KR)
Title: Spray method for monolithic refractories
Inventor: MOTOKI EIJI
IPC: C04B35/66
Filed: 2002-01-15
Abstract: PURPOSE: A spray method for monolithic refractories is provided, which does not require a mixing work for a refractory material to be sprayed, and permits a long distance transportation of the refractory material without causing the blocking of the transporting pipe, whereby monolithic refractories obtained by the operation have a high quality and uniform characteristics. CONSTITUTION: The spray method for monolithic refractories includes feeding, with an air stream, a monolithic refractory composition(2) including refractory aggregates, a refractory powder, a binder and a dispersant in a powder state in a transporting pipe(3) so that the composition is transported in a floating state; adding application water on the way of the transporting pipe(3); continuing the feeding of the air stream; and spraying the wet composition through a spray nozzle.
Patent KR-20020023387-A (KR)
Title: Cooling system of computer central processing unit
Inventor: SUNG YI JE
IPC: G06F1/20
Filed: 2002-01-22
Abstract: PURPOSE: A CPU cooling system is provided to enhance the cooling efficiency without regards of the condition capable of changing the temperature. CONSTITUTION: The system comprises a cooling tank(100) being equipped with the cooling fluids(100a), a circulation part(200) cooling a CPU with a water jacket(230) attached one side of CPU by being supplied with the cooling fluids through a supply pipe(220) according to the pumping operation of circulation pump(210) installed in the cooling tank and circulating the heated cooling fluids heated by the heat of CPU through a recovery pipe(240), and a heat emitting part(300) cooling the heated cooling fluids by being installed to a heat emitting hole(131) formed on one side of cooling tank. The heat emitting part includes an install flange, a heat exchange plate and a thermocouple. The thermocouple emits the heat of the heated cooling fluids to the heat exchange plate by the Peltier effect and the heat exchange plate transfers the heat from the thermocouple to the heat emitting plate.
Patent KR-20030065778-A (KR)
Title: Posture and mass center of golfer analysis system during golf swing
Inventor: CHOI SEUNG WHAN
IPC: G01D21/02
Filed: 2002-02-01
Abstract: PURPOSE: An apparatus for analyzing a posture and gravity center of a golfer is provided to allow a golfer to check and correct a swing pose by displaying the swing pose and the gravity center of the golfer in a computer monitor. CONSTITUTION: A posture and gravity center analyzing apparatus for a golfer includes two CCD cameras(103,104) and a tripod for mounting the CCD cameras(103,104). The CCD cameras(103,104) photograph front and lateral profiles of the golfer. Electronic scales are mounted under each foot of the golfer in order to measure weight applied to each leg of the golfer. The swing action of the golfer is photographed as 70-frame images and 70 lots of weight data are provided with respect to each leg of the golfer. The gravity center of the golfer is calculated based on the weight data and is displayed on a computer monitor.
Patent KR-20030065998-A (KR)
Title: The machinery for treated flame retardant agents in polystyrene beads
Inventor: CHOI JAE U
IPC: C08J9/224
Filed: 2002-02-04
Abstract: PURPOSE: Provided is a device for flame proofing of polystyrene bead, capable of providing a polystyrene bead which absolutely does not form a bromine gas(toxic gas) or bromic acid and substantially decrease the human injury owing to the toxic gas. CONSTITUTION: In the device, a pressure sealing unit is attached at a stirring shaft site, the shaft site is sealed when vacuum is applied inside the device, so that numerous reactants can be inhaled into the device; and nitrogen gas is injected into a reactor by applying the pressure inside the device, so as to adjust the pressure of the device, and thus prevents the leakage of pentane gas owing to temperature elevation, and at the same time allows a medicine to be constantly attached outside the bead.
Patent KR-20030070402-A (KR)
Title: Manufacturing method of polypropylene bottle for sterilize
Inventor: LEE HUN JAE
IPC: B29C49/16
Filed: 2002-02-25
Abstract: PURPOSE: A method for manufacturing a disinfectant Polypropylene container is provided to minimize the transformation of the container on sterilization of high temperature even though Polypropylene is used in manufacturing of the container. CONSTITUTION: An injected material of Polypropylene is obtained under the condition of the temperature of an injection cylinder of 200-220 DEG. C. A preformer is obtained by cooling the injected material under the condition of the temperature of 8 DEG. C for four seconds. An upper, an intermediate, and a lower parts of the preformer are respectively heated at the different temperature for six seconds on a mold. The upper and the intermediate part of the preformer are heated at the temperature of 140+-5 DEG. C and the lower part at the temperature of 130+-5 DEG. C, and pre-blown at the air pressure of 3-4kg/cm3 for six seconds. The pre-blown preformer is blown twice under the conditions of the temperature of 60 DEG. C and the air pressure of 14-16kg/cm3 for eight seconds.
Patent KR-20030070419-A (KR)
IPC: F41B7/08
Filed: 2002-02-25
Abstract: 본 발명은 탄환 공급 장치, 파워 세트, 방아쇠 작동 세트를 포함하는 모터식 장난감 총에 관한 것이다. 파워 세트는 모터, 제1 구동 기어, 제2 구동 기어, 힘 출력 기어를 포함한다. 방아쇠 작동 세트는 방아쇠, 연결 암 푸시 판, 방아쇠 암, 인양 부재, 연결 암, 스위치 암, 록킹 부재 및 마이크로스위치를 포함한다. 따라서, 피스톤 실린더의 전방 이동은 피스톤 스프링의 복원력과 힘 출력 기어와 랙에 의해 제공된 파워에 의해 가속될 수 있고, 그에 따라서 실린더 내의 압력을 증가시켜, 비비 탄환은 신속히 외부로 배출될 수 있다.
Patent KR-20030072081-A (KR)
Title: An apparatus for sorting waste cans
Inventor: SON SEOK O
IPC: B07C5/00
Filed: 2002-03-05
Abstract: PURPOSE: A device for selecting can wastes is provided to smoothly and precisely select the can wastes by uniformly keeping the magnetism of a magnetic drum for selecting the can wastes. CONSTITUTION: A frame unit(10) includes a frame(16) having a plurality of vertical supports(12) and horizontal supports(14a.14c). A can guiding unit(30) includes a can chute(38) installed within the frame unit. A can injection port(32), and ferrous/nonferrous can discharge ports(34,36) are formed at the upper and lower part of the can chute, respectively. A can selecting unit(50) includes a magnetic drum integrated with a rotary shaft(52) and selecting can wastes, and a rotary drum(56) inserted into the can chute.