baber/WOPTO huggingface dataset:
Patent KR-20000003748-A (KR)
Title: Signal distributor for liquid crystal display
Inventor: KWON YOUNG TAE
IPC: G02F1/133
Filed: 1998-06-29
Abstract: PURPOSE: A signal distributor for a liquid crystal display is provided to distribute an LCD driving signal into a plurality of driving signals. CONSTITUTION: The signal distributor for a liquid crystal display for distributing an LCD driving signal consisting of a predetermined bits of RGB data and a predetermined bits of control signal into a plurality of predetermined bits of RGB data and a plurality of predetermined bits of control signals comprises: a signal receiving portion(10) for receiving the predetermined bits of RGB data and the predetermined bits of control signal; a signal transfer portion(20) for transferring the RGB data and the control signal input through the signal receiving portion; a signal distributing portion(30) for distributing the RGB data and the control signal transferred through the signal transfer portion into a plurality of RGB data signals and a plurality of control signals; and a signal output portion(40) for receiving the plurality of RGB signals and the plurality of control signals input through the signal distributing portion, and for generating the LCD driving signal consisting of a plurality of a predetermined bits of RGB data and a plurality of a predetermined bits of control signals.
Patent KR-19990013506-A (KR)
Title: 터브 캐스팅 내에서 헤드 결합 프로세스를 개선하기 위한하드 디스크 파일 설계
IPC: G11B5/105
Filed: 1998-07-01
Abstract: 본 발명의 헤드 디스크 어셈블리 파일은 측벽, 플로어, 및 하드 디스크 팩을 갖는 터브형 베이스캐스팅(tub-type basecasting)을 구비한다. 또한, 본 발명의 파일은 자기 헤드를 갖는 한 세트의 헤드 짐벌 어셈블리(head gimbal assembly)를 구비한 액츄에이터를 포함한다. 액츄에이터는 파일에 고정되며 디스크의 외부에 있는 사전 결합 위치(pre-merge position)에서부터 디스크 중심 근처의 내경 위치로 회전할 수 있다. 핑거(finger)를 갖는 결합용 빗 모양 부재(merge comb)를 포함하는 헤드 결합 도구(head merge tool)는 홈 위치(home position)에서 파일과 인터페이스한다. 홈 위치에서, 결합용 빗 모양 부재는 측벽, 플로어, 및 헤드 짐벌 어셈블리에 의해 둘러싸이지만, 이들과 접촉하지는 않는다. 플로어는 결합용 빗 모양 부재 아래에 위치한 리세스(recess)를 갖는다. 리세스는 한쪽 측벽에서 디스크의 내경까지 연장되며, 결합용 빗 모양 부재의 최하단 핑거에 대한 여유 공간(clearance)을 제공한다. 유연 케이블은 액츄에이터에서 플로어까지 연장된다. 리세스에 인접한 플로어 내의 요부(凹部: depression)가 유연 케이블을 수용한다. 요부는 결합용 빗 모양 부재 및 액츄에이터의 경로 아래에 위치하되, 이들과 접촉하지 않는다. 조립 중에, 결합용 빗 모양 부재는 홈 위치에서 파일 내에 위치된 후 회전하여, 핑거가 헤드 짐벌 어셈블리를 체결 및 이동시켜 헤드에 결합되도록 한다. 최하단 핑거는 최하단 디스크 및 리세스의 플로어면과 접촉하지 않은 상태로 리세스 내의 최하단 디스크 아래에서 이동한다. 결합용 빗 모양 부재는 홈 위치로 되돌아 온 후 파일과의 체결이 해제된다.
Patent KR-20000008494-A (KR)
Title: Mobile communication system to release mobile call when establishing re-channel to voice mail service center
Inventor: PARK SO HYUN
IPC: H04W4/12
Filed: 1998-07-14
Abstract: PURPOSE: A mobile communication system is provided to thoroughly secure an information of each mobile subscriber not by leaving a wrong message to subscriber who does not want. CONSTITUTION: The mobile communication system comprises: a mobile communication operating service between mobile calls in the range of own service performed by connecting many base stations(8,14) through a base station controller(6,12); the mobile call removed when a re-channel is established to a voice mail service(16) containing a personal communication operating device(4,10) to remove an own sending mobile call in the case of establishing the channel of an arrival call to the voice mail service of an arrival subscriber according to an arrival conversation conversion by converting the arrival conversation.
Patent KR-20000010217-A (KR)
Title: Method for manufacturing track shoe bushing
Inventor: CHUNG SEUNG
IPC: B21K1/28
Filed: 1998-07-31
Abstract: PURPOSE: A manufacturing method for a track shoe bushing is provided to manufacture the bushing by a forging process of a material. CONSTITUTION: A manufacturing method for a track shoe bushing comprises:processing a bushing half finished product(10) containing an octagonal shaped blind groove(11) inside by a cold forging in a normal temperature; and manufacturing a cylindrical shaped bushing(13) containing an octagonal shaped penetrating groove(12) by cutting the bushing half finished product for having a predetermined length. According to the manufacturing method for the track shoe bushing, the bushing with an excellent strength can be manufactured, a mass product of 60 pieces per minute is possible, and a raw cost can be saved because the bushing is manufactured by the forging process.
Patent KR-20000012858-A (KR)
Title: New echinomycin derivative which is cancer curing medicine and production method thereof
Inventor: KIM YONG HAE
IPC: A61K38/08
Filed: 1998-08-01
Abstract: PURPOSE: The echinomycin derivative is provided to improve the dissolving property to a polar solvent, to reduce the cell poisonous function to normal cells. CONSTITUTION: The synthesis in a form of chloride to maximize the polarity of Echinomycin chloride indicated in a structural formula(1) has the steps of: synthesizing the chloride of Echinomycin using Trialkyloxonium tetrafluoroborate or Meerwein salt or using AgClO4 and methyl iodine. In the chemical formula (1), X represents halogen, sulfate, perchlorate which are possible to synthesize sulfonate salt, in the chemical formula (2), n or m represents the number of oxygen from 0 to 2.
Patent KR-20000014051-A (KR)
Title: Test bench system for media access control device
Inventor: LEE SEONG HWAN
IPC: H04L12/26
Filed: 1998-08-17
Abstract: PURPOSE: A test bench system for a media access control device is to achieve a virtual media access control device for switching an ethernet packet between media access control interface and media access control. CONSTITUTION: A test bench system for media access control device comprises: an ethernet file read driver(30,120) which calls a file substituting for packet information to a media access control test bench(20,110); a source ethernet FIFO(40,130) which stores the packet information from the ethernet file read driver(30,120) port by port; a quadruplex ethernet driver(50,140) which reads the packet information stored port by port and substitutes for QUAD media access control; a ETH_EXP_FIFO(70,160) which receives the output signals from the quadruplex ethernet driver(50,140); a receiving bus(170) which receives the output signal from the quadruplex ethernet driver(50,140); and a transmitting bus(180) which transfers the received packet data to the ETH_EXP_FIFO(70,160).
Patent KR-20000014316-A (KR)
Title: Detergent input device for washing machine
Inventor: PARK SAM JAE
IPC: D06F39/02
Filed: 1998-08-19
Abstract: PURPOSE: A detergent input device is provided to improve the washing efficiency and the dehydrating efficiency not by invading a detergent into a fiber softener input area when the detergent is input to the detergent input area for a main washing of a detergent container and into the detergent input area for a preparatory washing. CONSTITUTION: The detergent input device comprises: an inner space divided to a detergent input area(A) for a main washing, a detergent input area(B) for a preparatory washing, and a fiber softener input area(C) existed between the areas by two partitions(10) installed to oppose each other; a drain pipe(20) equipped to do a siphon operation in the rear part of the fiber softener input area(C); and a cover for a detergent invasion prevention(3) to close the rest area except the upper part of the drain pipe(20) among the fiber softener input area(C) in the upper part of the partition(10).
Patent KR-19990023833-A (KR)
Title: 광 집적 회로 장치
IPC: H01L27/14
Filed: 1998-08-25
Abstract: 본 발명은 촬상부(12)를 포함하는 아날로그부의 전원이나 접지 등은 전극 패드(14)에 접속하고, 디지털부의 전원이나 접지 등은 전극 패드(15)에 접속함으로써 촬상부(12) 및 그 주변 회로부(13) 사이에서 배선을 둘러침으로써 전원과 접지 등의 임피던스의 상승이나 각 회로간의 신호의 혼선(crosstalk) 및 노이즈와 같은 문제를 방지할 수 있게 된다.
Patent KR-20000014803-A (KR)
Title: Page directory sharing method of a main electronic computer
Inventor: YU HYUK
IPC: G06F15/167
Filed: 1998-08-25
Abstract: PURPOSE: A page directory sharing method is provided to prevent a lack appearance of a page table by enabling an address to be converted. CONSTITUTION: The page directory sharing method comprises the steps of: forming a page table in order to map a physical page frame of a shared memory when an attempt of the shared memory access is performed at a generation state of the shared memory; forming a shared memory directory; copying the formed shared page directory entry to a page directory entry(PDE) of a corresponding process; and performing an address conversion through a page table directed by the shared page directory entry.
Patent KR-20000015279-A (KR)
Title: Integrated type air conditioner
Inventor: MYUNG NO EUI
IPC: F24F1/02
Filed: 1998-08-28
Abstract: PURPOSE: An integrated air conditioner is provided to improve the heat exchanging efficiency and the cooling performance by increasing the suction amount of outdoor air. CONSTITUTION: The integrated air conditioner is composed of:a cabinet(100); outdoor suction parts(101, 102) formed on the circumference, specially on upper and side faces; an outdoor venting part(103) formed on the backward face; a front cover(110) combined to the front side of the cabinet; a suction grill(11) and a venting grill(112) formed on the front side thereof; a base(120) combined to the lower part of the cabinet; and an outdoor suction part(121) formed on the bottom.; Herein, the outdoor air suction amount is increased by the outdoor suction part and the other outdoor suction part. Thereby, the heat exchanging efficiency and the cooling performance are improved.
Patent KR-20000018518-A (KR)
Title: Horizontal stacking device of a note recognizer
Inventor: CHANG YEON SIK
IPC: G07D7/00
Filed: 1998-09-02
Abstract: PURPOSE: A horizontal stacking device for the note recognizer is provided to compile large amount of notes by stacking the horizontally received notes in the storage case by pushing down the bottom of the storage case in vertical direction and reduce the time is tiding the different size notes by forming guide bid slots at the note entrance. CONSTITUTION: The device comprises a cabinet(102) where a note recognizer(1) is located at the right upper part. Notes which are recognized according to its different type and stacked into a storage case(200) sequentially by the stacking medium. The note recognizer(1) further comprises an entrance(62) where a note is inserted and a moving guide(66). The note inserted through the entrance is transferred to the movement roller(114) through the idle gear(68) and exposed through the exit(64) by the exposing roller(63) and a plurality of movement rollers(114).
Patent KR-19990029631-A (KR)
Title: 다층 세라믹기판 및 이 다층 세라믹기판의 제조방법
IPC: H05K1/16
Filed: 1998-09-08
Abstract: 본 발명에 따른 다층 세라믹기판의 제조방법은, 수동부품이 될 가공되지 않은 세라믹 기능재료를 함유하고 있는 성형체블록을 준비하는 공정; 세라믹 절연재료를 함유하고 있는 적층된 복수개의 세라믹 그린시트 및 상기 배선도체를 가지고 있으며, 내부에 성형체블록이 끼워 맞쳐질 수 있는 공간이 이미 형성되어 있는 생(raw)복합적층체를 준비하는 공정; 상기 생복합적층체의 적층 방향에 대해서 양단에 위치된 각 주면 상에서 상기 생복합적층체의 소성온도에서는 소결되지 않는 생(raw)세라믹으로 구성되는 시트형 지지체(sheet type base)들을 배열하는 공정; 약 1000℃ 이하의 온도에서의 수축을 제한하기 위해서, 상기 시트형 지지체들 사이에 끼워서 배치된 상기 생복합적층체를 소성하는 공정; 및 미소결된 시트형 지지체를 제거하는 공정을 포함하고 있다.
Patent KR-20000020231-A (KR)
Title: Flash memory
Inventor: NO GYU SEOB
IPC: G11C16/06
Filed: 1998-09-18
Abstract: PURPOSE: A flash memory performs a program of a byte unit, makes a normally-programmed cell not have a stress of a repeating program bias voltage, only transmits a bias voltage to many cells which are not programmed yet, prevents a partial cell's deterioration, and enhances a memory's reliability. CONSTITUTION: A flash memory performing a programming of a byte unit includes a switch(60) for switching a programming bias voltage provided to each cell. A compare control part(50) compares a verified value with a corresponding bit value of input data, and controls the switch(60). The switch(60) is made of PMOS. The compare control part(50) includes an exclusive NOR gate for comparing the verified value with an input data. Thereby, the flash memory prevents a partial cell's deterioration, and enhances a memory's reliability.
Patent KR-20000020638-A (KR)
Title: Repair device of elevator
Inventor: JEONG GI JUNG
IPC: B66B1/00
Filed: 1998-09-22
Abstract: PURPOSE: A repair device of an elevator is provided to quickly and exactly repair by analyzing the cause of breakdowns through the mutual communication with a controller where a breakdown occurs. CONSTITUTION: A user checks a code of a breakdown and inputs an order through an order input and output unit(24) of a repair device(20) to confirm the content of memory. Then the input order is transmitted to a control unit(10) of operation from a repair and communication unit(25). Herein, the operation control program of an operation control unit controls the general operation of the elevator and is stored in a storage unit(15) of a breakdown code when a breakdown occurs while controlling the operation. Then the operation and communication unit transmits the breakdown code to the repair and communication unit by reading it from the storage unit of the breakdown, and if the repair and communication unit supplies the breakdown code to the order input/output unit, the order input/output unit outputs the result received from the operation control unit to an LCD(liquid crystal display) screen. Accordingly, a repairman recognizes the state of the breakdown and performs a repair process.
Patent KR-20000021334-A (KR)
Title: Vertical furnace including flow meter of exhausting line
Inventor: PARK JONG DAE
IPC: H01L21/205
Filed: 1998-09-28
Abstract: PURPOSE: A vertical furnace is to prevent rise of pressure and increase of impurities in a reaction chamber by preventing exhaust gas from flowing backward into an exhaust line. CONSTITUTION: A vertical furnace(200) for Chemical Vapor Deposition comprises: a reaction tube (110) for implementing a diffusion process in which a wafer is supplied; an exhausting device(130) connected to the reaction tube for exhausting a gas in the tube; a pressure part(140) connected to the exhausting tube through a pressure sensor(142) for adjusting pressure in the reaction tube; a control part(150) connected to the reaction chamber for controlling a diffusion process; and a flow meter(170) connected to the control part for measuring a flow velocity in the exhaust line. The diffusion process is adjusted according to measured value of the flow meter. The control part comprises a flow velocity indicator(172) through which the measured value is output.
Patent KR-20000024948-A (KR)
Title: External connection device of personal digital assistants
Inventor: SHIN HYUN GUK
IPC: H01R12/70
Filed: 1998-10-02
Abstract: PURPOSE: An external connection device is provided to prevent an EMI problem, enable a high speed data transmission, and prevent an electrical bad contact by using an optical signal for a signal transmission between a personal digital assistant and an external device. CONSTITUTION: A first optical module(10) is provided with a first optical device(11)compatible with communication port(3) of a personal digital assistant(PDA) and converting an electrical signal to an optical signal and/or an optical signal to an electrical signal. A second optical module(30) is provided with a second optical device(31) compatible with an external communication port(7) and converting an electrical signal to an optical signal and/or an optical signal to an electrical signal, to thereby converting a signal between the personal digital assistant and the external device.
Patent KR-19990037478-A (KR)
Title: 동물용 배설물 처리재 및 그 제조 방법
IPC: A01K1/015
Filed: 1998-10-29
Abstract: 본 발명은 고양이, 개, 돼지, 쥐 등의 동물 배설물 처리 등에 사용되는 동물용 배설물 처리재 및 그 제조 방법에 관한 것이다. 
     종래의 배설물 처리재는, 동물의 발이 파묻혀서 배설물이 긁어내져 버리거나, 배설물 처리재가 동물의 털에 얽히거나 하여 동물용 배설물 처리재를 설치한 장소에서 흩어져 버리는 경우가 있다. 또한, 종래에는 흡수성이 좋고 가벼워서 운반이 용이한 동물용 배설물 처리재가 없었다. 
     섬유 및/또는 고흡수성 수지로 형성된 입상체(粒狀體)를 압축시켜 제조한 동물용 배설물 처리재는 동물용 배설물 처리재를 설치한 장소에서 쉽게 흩어지지 않는다. 더욱이, 섬유로 형성된 코어층과 섬유 및 고흡수성 수지로 형성된 스킨층으로 이루어진 입상체를 습식 압축법에 의해 두께 3 ㎜ 이하로 압축시켜 형성한 부피 비중이 0.3 g/㎤인 동물용 배설물 처리재는, 흩어지지 않고 배설물의 흡수성이 좋음에도 불구하고 경량이다.
Patent KR-19990037493-A (KR)
Title: 주석 합금 도금 조성물
IPC: C25D3/30
Filed: 1998-10-29
Abstract: 본 발명은 주석 합금 도금 조성물에 관한 것으로, (i) 주석염 20 내지 500g/ℓ, (ii) 아연, 코발트, 비스머스 및 동으로 이루어진 군으로부터 선택된 금속의 염 1 내지 100g/ℓ, (iii) 메탄설폰산 20 내지 200g/ℓ, (iv) 전도성 화합물 10 내지 300g/ℓ 및 (v) 착화제 0.5 내지 50g/ℓ를 포함하는 본 발명의 주석 합금 도금 조성물은 환경 오염을 일으키지 않으면서 우수한 내식성 및 납땜성을 갖는 도금층을 제공할 수 있어 리드 프레임, 리드 프레임 패키지, 커넥터 및 인쇄 회로 기판과 같은 전자 소자의 도금에 유용하게 사용된다.
Patent KR-20000031378-A (KR)
Title: Manufacture and method for tableting furfural using solid acid catalyst and supercritical fluid
Inventor: KIM YOUNG CHUL
IPC: C07D307/48
Filed: 1998-11-05
Abstract: PURPOSE: Amount of waste is reduced by changing catalyst from liquid acid to solid acid and furfural with high purity, good yield ratio and low cost of operation and process is provided. CONSTITUTION: The raw material is xylose and hemicellulose and solid acid is used as a catalyst. Solid acid makes acid catalyst separate easily and improve economy of process. Titanium catalyst is adjusted to pH 9-10 by hydrolysis of TiCl4 and put into sulfuric acid. Zirconium catalyst is produced as the same using zirconylchlroride-8-hydrate. Supercritical fluid is used as a medium of reaction and extraction to prevent exhaustion of furfural produced from reaction. The device for concentrating and refining furfural comprises furfural refining tower, separation device, extraction device and fluid supplying device. The refining tower is manufactured in the form of packed tower or tray tower and fluid extraction which contains furfural is concentrated by reflux in the tower.
Patent KR-19990045359-A (KR)
Title: 고순도니켈의 제조방법 및 박막형성용 고순도니켈재료
IPC: C23C14/34
Filed: 1998-11-18
Abstract: 본 발명은, 고순도니켈의 제조방법 및 그것을 사용해서 제작된 박막형성용 고순도니켈재료에 관한 것이며, 타겟 등의 용도에 적합한, 알카리금속원소, 방사성원소, 천이금속원소는 물론 탄소 또는 가스성분 등의 불순물까지도 최소한도밖에 함유하지 않는 고순도니켈을 안정적으로 또한 용이하게 제조할 수 있는 방법을 개발하는 것을 과제로한 것으로서, 그 해결수단으로, 조니켈원료를 염산으로 용해하여 염산농도 5∼12N의 염화니켈수용액으로 하고, 이 염화니켈수용액을 음이온교환수지와 접촉시켜 불순물금속이온을 흡착시킨 후, 얻어진 액을 증발건고(乾固) 또는 농축한 후, pH=0∼3의 고순도염화니켈수용액으로 하고, 또 활성탄에 의해 액속의 유기물을 제거하고, 이 수용액을 전해액으로서 전해정제에 의해 전석(電析)니켈을 얻게한 것이다.
Patent KR-20000032822-A (KR)
Title: Integrated testing method of a testing system
Inventor: HAN BYEOL
IPC: G06F11/00
Filed: 1998-11-18
Abstract: PURPOSE: An integrated testing method of a testing system is provided to control a test of a diagnostic module at the operator terminal. CONSTITUTION: An integrated testing method of a testing system comprises identifying(211) whether a test order is sent to an operator terminal, analyzing(213) the test order, transmitting(215) a message corresponding to the order to a testing apparatus, analyzing(219) the message, sending the order to a corresponding diagnostic module, transmitting a data of a testing result, receiving the data of the testing result, analyzing the data of the testing result and displaying(221) the analyzed data of the testing result.
Patent KR-20000022004-A (KR)
Title: Warp thread loop seam
Inventor: YUKE STEVEN S
IPC: D21F7/08
Filed: 1998-11-20
Abstract: PURPOSE: A multi-axial compressed fabric is provided to be easily manufactured and to be joined with a compressing unit in a circulating shape during the installing time with excellent resistance against compression property. CONSTITUTION: An on machine seam able multi-axial compressed fabric for the compressed section of a paper making machine(10) is made into a base fabric layer which covers many contiguous bunch contacted with a fabric strip(16). The circular base fabric layer flattens for producing a first fabric strip and a second fabric strip combined each other on a folder of a horizontal end. A horizontal thread is removed from each strip of the fabric strip for producing a joint loop. Also, the compressed fabric is combined in a circular shape by penetrating a pintle into a passage formed by butting a joint loop(56) on two horizontal ends.
Patent KR-20000034634-A (KR)
Title: Steel cord for reinforcing rubber product
Inventor: BAE DAL HYANG
IPC: D07B1/12
Filed: 1998-11-30
Abstract: PURPOSE: A steel cord for reinforcing a rubber product is provided to have a low elongation of low load, to improve the osmosis of rubber and to be easily produced. CONSTITUTION: An one strand among three strands of early filament of steel cord gives a change onto a surface of filament by passing a roller of saw tooth(1) of small changed degree. Another one strand gives the change by passing a roller of saw tooth(2) of large changed degree. The other one strand gives a final twisting by doubling a yarn in a straight state. Thereby a regular interval from 0.1mm to 2.0mm is periodically given into each filament. A changing pitch(P2) of small changed degree passed the saw tooth roller(1) of small changed degree is 0.1-0.5times of filament twisting pitch(P1) and a change pitch(P3) of filament passed the saw tooth roller(2) of large changed degree is 0.2-1.0times of filament twisting pitch(P1). A changed diameter(D2) of filament passed the saw tooth roller(1) of small changed degree is 1.1-3.0times of a filament diameter(D1) and a changed diameter(D3) of filament passed the saw tooth roller(2) of high changed degree is 1.4-5.0times. The changed pitch and the changed diameter of filament are controlled by changing a pitch and a groove of saw tooth roller.
Patent KR-20000038733-A (KR)
Title: Pneumatic tire preparing for puncture
Inventor: PARK JONG BOK
IPC: B60C17/04
Filed: 1998-12-09
Abstract: PURPOSE: A pneumatic tire preparing for puncture is provided to prevent damage of side wall part due to contact between protrusions of a tire and a rim when air pressure is low in the tire due to puncture by forming a protrusion on inner surface of the tire, further to maintain the driving speed of the tire. CONSTITUTION: A pneumatic tire preparing for puncture comprises a thread part(1), side wall parts(2) on both sides of the thread part(1) and bead parts(3) extended from the each wall parts(2). A supporting body(4) is formed all of the inner circular periphery of the tire on inner center of the belt layer(10). The supporting body(4) has a constant height(H1) and a constant width(W1). The height(H1) of the supporting body(4) is less than 1/2 of the total height(H) of the tire. The width(W1) of the supporting body(4) is less than 1/2 of the rim width(H). Therefore, the separation of bead part is prevented by supporting the tread part without thickening the thickness of the tire, further a manufacturing cost is cut down and a productivity is increased through a small cost and a simple process.
Patent KR-20000039710-A (KR)
Title: Rinsing apparatus for semiconductor wafer
Inventor: KANG EUN TAE
IPC: H01L21/02
Filed: 1998-12-15
Abstract: PURPOSE: A rinsing apparatus for a semiconductor wafer is provided to permit rinsing and drying processes in a single apparatus. CONSTITUTION: A rinsing apparatus includes a process bath composed of inner and outer baths(14,14') and installed within a sink(12) having covers(11) thereon. A pair of supply pipes(16) for supplying a rinse solution are equipped into the inner bath(14) of the process bath, and injection nozzles(17) for injecting a drying gas are equipped under the covers(11). In addition, exhaust lines(19) for exhausting an overflowing rinse solution are formed into the outer bath(14'), and a rinse solution drain line(20) for draining the rinse solution from the inner bath(14) is formed into the inner bath(14). On inner walls of the sink(12), ultrasonic generators are equipped for facilitating a rinsing process.