baber/WOPTO huggingface dataset:
Patent KR-20020029694-A (KR)
Title: Anchor Pile
Inventor: KIM GYEONG HO
IPC: E02D5/80
Filed: 2000-10-13
Abstract: PURPOSE: An underground anchor pile is provided to maximize fixative force and load bearing force of an anchor pile and to correspond to tensile force sufficiently by increasing the binding force of a joint between upper and lower tread bars. CONSTITUTION: In the underground anchor pile interposed to a pile hole(5) bored on the ground and fixed by grout materials injected into the pile hole(5) at the state of adjusting the height of tread bars(1) connected mutually by a coupler(2), a circulation hose(20) contains an inlet(21) and an outlet(22) connected longitudinally and projected to the outside of a pile hole(5) and many exhaust holes and is fitted to the outside of the tread bar(1) and projected to the outside of a pile hole(5), a rubber band is expanded/contracted by injection pressure of grout materials to operate the exhaust hole and covers around the exhaust hole, and a grout valve(40) provided with primary and secondary exhaust holes, which are larger than the outside diameter of the circulation hose(20) of the rubber band, is installed to the outside of the rubber band.
Patent KR-20010062015-A (KR)
Inventor: COSTELLO EDWARD J
IPC: G06F9/445
Filed: 2000-11-30
Abstract: PURPOSE: Wireless software and configuration parameter modification for mobile electronic devices is provided to deliver and operate parameter updates to receivers in a broadcast information delivery system. CONSTITUTION: Executable software programs and related operating parameters are changed in a mobile electronic device that is associated with an information delivery system by broadcasting a wireless(e.g., radio) signal containing multiple copies of new data. The mobile device uses the new data to be used to update or to change its software or operating parameters. The number of copies(repetitions) of the new data that are broadcast depends on the expected reception error rate and on the desired probability that the receiver will receive the new data without error.
Patent KR-20020044005-A (KR)
Title: Crash pad fixing jig for testing glove box of autombile
Inventor: KIM JONG HO
IPC: G01M99/00
Filed: 2000-12-05
Abstract: PURPOSE: A crash pad fixing jig is provided to achieve improved reliability for data by mounting the crash pad or glove box to a rotating shaft and adjusting rotating angle such that the crash pad or glove box is located at the position similar to the position in a real condition. CONSTITUTION: A crash pad fixing jig comprises a sled(10) having a base plate arranged to be rotatable at a central rotating shaft(13); a pair of vertical support boards(20) mounted to the sled in such a manner that the vertical support boards are opposed with each other with the base plate interposed between two vertical support boards; and a rotating shaft(30) installed between the vertical support boards such that the rotating angle of the rotating shaft is controllable.
Patent KR-20010016404-A (KR)
Title: Multicodec player having text-to-speech conversion function
Inventor: SHIM JEONG CHEOL
IPC: G11B20/00
Filed: 2000-12-08
Abstract: PURPOSE: A multicodec player is provided to reproduce converted speed information with an original music by converting relative text information to a speech. CONSTITUTION: A multicodec player comprises a control unit(109), a memory(102), a codec unit, an A/D converter(104) and a D/A converter(105). A control program is stored in the memory. The control program converts relative text information about music in a digital music file to a speech with a text/speech conversion program. The control program reproduces the speech conversion information of text information when the digital music is reproduced. A user listens to the music with the relative information. Thereby, the user understands the music deeply.
Patent KR-20020045670-A (KR)
Inventor: CHO JEONG GYUN
IPC: H02K29/00
Filed: 2000-12-09
Abstract: PURPOSE: A spindle motor is provided to prevent a noise due to a vibration by removing a cogging phenomenon. CONSTITUTION: A housing(100) includes a circuit board(110) and a shaft(120) on which a groove(121,122) is formed. A stator(200) composed of a core(210) and a coil(220) is mounted on an outer face of the housing(100). A rotor(300) which is combined on an upper side of the housing(100) for a rotation on a shaft(120) includes a polygon mirror(330) and a magnet(310) which generates a rotational electromagnetic force with the stator(200). A thrust bearing support unit supports a load in the shaft direction of the rotor(300).
Patent KR-20020046088-A (KR)
Title: Apparatus for detecting rotor position of sensorless PMSM Motor
Inventor: KIM JI WON
IPC: H02P6/18
Filed: 2000-12-12
Abstract: PURPOSE: A device for detecting position of rotor in sensor-less PMSM(permanent magnet synchronous electric motor) is provided to operate a PMSM stably by detecting a position of a rotor of the PMSM in times of rotation. CONSTITUTION: An inverter(100) supplies a three phase voltage(Va/Vb/Vc) to a PMSM(200). A current detection unit(300) detects a current according to an a-phase and a b-phase voltage permission, and amplifies a voltage corresponding to the detected current. A position detection unit(400) estimates a rotor position of the PMSM(200) from the current and the voltage, and transmits a driving signal to the inverter(100) for driving the PMSM(200) according to a driving voltage, a driving speed, and rotor position information.
Patent KR-20020049357-A (KR)
Title: Method for beamforming using Adaptive Array Antenna in CDMA
Inventor: SIM DONG HUI
IPC: H04B7/02
Filed: 2000-12-19
Abstract: PURPOSE: A forward beam forming method using an adaptive array antenna in a CDMA system is provided to be usable in both TDD(Time Division Duplex) or FDD(Frequency Division Duplex) and form an optimum beam of a signal to be transmitted with a small amount of calculation by forming a beam by using channel information of a signal transmitted from a reverse link. CONSTITUTION: Forward channel vector is estimated from signals of each user. A determinant for executing a forward beam forming algorithm is constructed to be simultaneously adopted to 'D' number of users by using the channel vector. The determinant is transformed to a determinant for a CGM(conjugate gradient method) adaption. The transformed determinant is separated to determinants as many as users. The CGM is adopted to each determinant. The weight vector calculation result is adopted to a forward beam formation.
Patent KR-20010067448-A (KR)
Inventor: CHITTIPEDDI SAILESH
IPC: H01L23/485
Filed: 2000-12-19
Abstract: PURPOSE: A wire bonding method is provided to eliminate an erosive oxidation effect using an economic method which doesn't require a metallization process. CONSTITUTION: A passivation layer(32) is formed on a semiconductor substrate. Material for the layer(32) is selected from among materials(such as Ta material), which are metallurgicolly stable, when the materials are bonded to an interconnecting material. The layer(32) is formed between interconnecting parts(31) and a wire(30). This layer(32) makes direct contacting with the wire(30) made of Al with the interconnecting parts(31) made of Cu avoided.
Patent KR-20020051285-A (KR)
Title: A METHOD FOR MANUFACTURING PLATED STEEL SHEETS HAVING SUPERIOR CORROSION RESISTANCE BY Si DEPOSITION
Inventor: JUN JUNG HWAN
IPC: C23C14/24
Filed: 2000-12-22
Abstract: PURPOSE: A method for manufacturing plated steel sheets having superior corrosion resistance by Si deposition in place of chromate treatment is provided. CONSTITUTION: The method is characterized in that after heating a plated steel sheet at higher than 100°C, Si is vacuum deposited the plated steel sheet in a thickness of 50 Å to 3,000Å under a vacuum condition ranging from 1x10¬-3 to 1x10¬-5 torr. In the method, in the case that a plated steel sheet is Zn-plated steel, the plated steel sheet is heated in the temperature range of 100 to 300°C.
Patent KR-20020054496-A (KR)
Title: Anti-vibration adaptor of head cover
Inventor: KIM JONG RYEOL
IPC: F02F1/00
Filed: 2000-12-28
Abstract: PURPOSE: A distribution pressure control device is provided to increase a proper frequency of a cylinder head cover and to absorb resonating frequency, thereby reducing vibration and noises. CONSTITUTION: A spark plug guide(2) is passed through a middle portion of a cylinder head cover exposing upper part. A male screw(21) is formed at upper part of the spark plug guide. An adapter(3) is formed with a female screw connecting with the male screw. A plurality of inserting groove(32) is formed in lower part of the adapter. A plurality of spring(4) supports upper face of the cylinder head cover.
Patent KR-20020055288-A (KR)
Title: Fan device having a active noise control ability
Inventor: YOON JEONG HYEON
IPC: G06F1/20
Filed: 2000-12-28
Abstract: PURPOSE: A fan device having an active noise attenuating function is provided to fix an anti-noise speaker and a microphone on a series of ducts in order, and to minimize impact of external variables on a series of sound-emitting paths formed between the anti-noise speaker and the microphone, thereby making fixed patterns of the sound-emitting paths. CONSTITUTION: A case(11) having a series of receiving spaces is built in an optional equipment. A fan block(13) is quickly rotated by an external force, and emits heat generated by a driving of the equipment. A duct(12) is extended along an inner wall of the case, being exposed outside of the case, and supplies sound-emitting paths of a noise outputted from the fan block in the state of being connected to the fan block. An anti-noise speaker(15) mounted on one spot of the duct is connected to the duct, and monitors the size of a noise passing through the anti-noise speaker to generate/output a series monitoring signals reflecting the monitored result. A controller(14) is electrically connected to the anti-noise speaker and a microphone(16), and controls an anti-noise output state of the anti-noise speaker in reference to the monitoring signals.
Patent KR-20020056130-A (KR)
Title: Security alarm system of vehicle and the method thereof
Inventor: SEO JONG WON
IPC: B60R25/102
Filed: 2000-12-29
Abstract: PURPOSE: A system for alerting a vehicular theft and a method therefore are provided to effectively cope with a vehicular theft by informing a vehicular owner of a vehicular theft using short message service or sound call data. CONSTITUTION: A vehicular terminal(100) is installed to be adapted to transmit short message service or sound call data to a mobile terminal, wherein the mobile terminal is interlinked with a vehicular theft monitoring system and set to generate a signal to own data base. A wireless communication network(200) causes the short message service or sound call data to be transmitted to a vehicular owner by identifying the vehicular theft from the short message service or sound call data sent from the vehicular terminal. A vehicular owner terminal(300) provides the vehicular owner with an alert of the vehicular theft by receiving the data from the wireless communication network to display it to the vehicular owner.
Patent KR-20010022418-A (KR)
Title: Model and command set for an av/c-based disc player/recorder subunit
IPC: G11B27/10
Filed: 1998-07-28
Abstract: In a home audio visual network including a plurality of devices coupled via an IEEE 1394 bus, a system for accessing a media changer mechanism of a multi-item media player. The multi-item media player stores a plurality of media items and can play any of the plurality of media items. A media changer mechanism having a plurality of slots for storing the plurality of media items is included within the multi-item media player. A computer system is built into the multi-item media player. A software based media changer model executes on the computer system, and in turn, causes the computer system to implement a method of accessing the media changer mechanism. In so doing, the computer system interfaces with a plurality of devices coupled to the multi-item media player via an IEEE 1394 communications link of an IEEE 1394 based network and provides a standardized command set for the media changer mechanism. The media changer model provides a set of standardized commands that allow the plurality of devices on the network to access the media changer mechanism and access any of the plurality of media items stored therein.
Patent KR-20010022718-A (KR)
Title: 반도체 장치 및 그의 제조방법
IPC: H01L29/861
Filed: 1997-08-14
Abstract: 본 발명은 반도체 장치의 역회복 특성의 개선기술에 관한 것으로, 종래에, 소프트 리커버리화의 추진에 대해서 생기고 있던 항복전압의 저하라고 하는 기술적 과제를 해결하는 것을 목적으로 한다, 이러한 기술적 과제를 해결하기 위해, 본 발명에서는, P형층(3)과 N형층(1)의 PN 접합에 있어서, 먼저 N형층(1)의 N-층(1B), N+층(1A) 내부에 백금 등의 중금속을 확산한다. 다음에, P형층(3)과 N-층(1B)의 게면(S2)으로부터 소정의 깊이(d)의 위치까지의 N-층 내부에 헬륨 이온을 조사하여 접합 근처의 N-층에 대미지를 부여하고, 캐리어의 라이프타임이 N형층(1)의 그것보다도 작고 저항율이 단조 감소를 나타내는 저 라이프타임 영역(2)을 N- 층(1B) 내부에 형성한다. 본 발명의 주된 용도는, 다이오드, 특히 파워 모듈에 있어서 프리휠 다이오드에 있다.
Patent KR-20010022934-A (KR)
Title: 고 내부 상 유액 및 이로부터 제조된 다공성 재료
IPC: C08J9/28
Filed: 1998-08-10
Abstract: 유액 안정화용 계면활성제, 하나 이상의 불용성 충전제, 70용적% 이상의 불연속 내부 상 및 하나 이상의 중합 가능한 비닐 단량체를 함유하는 30용적% 미만의 연속 외부 상을 갖는 고 내부 상 유액이 기재되어 있다.  유중수의 고 내부 상 유액을 중합시킴으로써 불용성 충전제가 중합체 골격에 혼입되어 있는 연속 기포의 다공성 중합체성 재료를 생성시킨다.
Patent KR-20010023524-A (KR)
IPC: B01D21/24
Filed: 1998-08-26
Abstract: The invention relates to a separating member for separating the bottom part of an electrolytic tank from the rest of the tank space in connection with the removal of solids (6) settled onto the bottom of the electrolytic tank (1). According to the invention, in the electrolytic tank (1) there are installed support and control members (10), which form the trajectory of the separating member (11, 21, 31), so that the separating member (11, 21, 31) can be inserted in the electrolytic tank (1) and removed therefrom via a space left in between at least one rear wall (7, 32) of the electrolytic tank (1) and the electrode (2) located nearest to said rear wall (7, 32).
Patent KR-20010031983-A (KR)
Title: 축합 피라진 화합물
IPC: A61K31/4985
Filed: 1998-10-30
Abstract: 본 발명은 하기 화학식 I의 화합물 및 이것의 염에 관한 것이다. 
     화학식 1 
     
       
     
     (상기 식 중, 각 기호는 명세서에서 정의한 바와 같다.) 
     상기 화합물은 접착 분자 발현을 억제시키고, 각종 염증성 질환, 만성 관절 류머티스, 알레르기, 기관지 천식, 아토피성 피부염, 건선, 허혈 재관류 상해, 신장염, 간염, 다발성 경화증, 궤양성 대장염, 급성 호흡 궁박 증후군, 이식 장기 거부 반응, 패혈증, 당뇨병 및 자기 면역 질환의 억제, 암전이, 동맥경화, AIDS의 예방 및/또는 치료에 유용하다.
Patent KR-20010032008-A (KR)
Title: 규산염을 포함하는 정형 외과용 지지 재료
IPC: A61L15/08
Filed: 1998-03-12
Abstract: 본 발명은 정형 외과용 지지 재료에 사용하기 위한 규산염 함유 조성물을 제공한다.  이 규산염 함유 조성물은 수용성 규산염을 포함하며, 상기 수용성 규산염의 약 1 중량부 이상은 25℃에서 약 6 중량부의 물에 용해 가능하다.  양호하게는, 상기 수용성 규산염은 공식 SiO 2 /M 2 O 를 만족하며, 여기서 M은 Li, Na, K 혹은 NR 4 이며, 각각의 R은 독립적으로 수소 혹은 (C 1 -C 10 )유기기 중 하나이다.
Patent KR-20010032289-A (KR)
Title: 열가소성 중합체 재료 입자로부터 열경화성 웨브를제조하기 위한 방법
IPC: B29C43/52
Filed: 1998-11-18
Abstract: 본 발명은 열가소성 중합체 재료 입자로부터 열경화성 웨브(17)를 제조하기 위한 방법 및 장치에 관한 것이다.  상기 재료 입자는 바로 내열성 컨베이어 벨트(6)위에 또는 마지막에 놓인 지지 재료위에 공급되고, 출발층(16)은 연속적으로 방법을 실행하기 위한 장치의 처리 영역의 예열, 가열 및 냉각 섹션을 순환하며, 상기 시작층(16)의 적층 높이, 제조될 웨브의 두께(D), 및 가열(H) 및/또는 냉각 섹션(K)의 작동 단계가 특수한 파라미터로 간주된다.  상기 방법의 실행을 위한 장치는 상부 컨베이어 벨트의 가이드가 수직 방향으로 조절 및 고정가능하고, 또한 거리(L)에 대한 각각의 고정된 위치에서 추가로 부동 지지된다.  또한, 상기 가열 섹션(H) 및 냉각 섹션(K) 사이에는 추가 처리 섹션(GL)이 제공된다.
Patent KR-20010032409-A (KR)
IPC: H04W88/02
Filed: 1998-11-23
Abstract: 본 발명은 음성 무선호출 프로토콜을 제공하는 무선호출기(400), 적어도 하나의 수신기를 가리키는 표시신호(610) 및 수신기로 향하는 데이터 신호를 포함하는 선택적 호출 메시지를 송신 또는 수신하는 방법 및 장치에 관한 것이다.  본 방법은 표시신호(722) 및 미리 결정된 시간격에 대한 지연을 먼저 송신한다.  이어서, 첫 번째 표시신호 및 수신기(920)에 대한 메시지 신호의 적어도 한 일부분을 처음 송신(706)한다.  따라서, 본 발명은 실제 메시지의 송신에 앞서 표시신호 시간 다이버시티를 제공한다.  본 방법은 수신기에 대응하는 주소(202, 204) 뿐만 아니라, 수신기를 지시하는 호출신호(예를 들어, 단일 비트)(100)를 사용한다.
Patent KR-20010015880-A (KR)
Title: 셀룰러 전기통신 네트워크를 위한 동기화
IPC: H04B7/26
Filed: 1998-12-15
Abstract: 네트워크의 제어 노드(30)에 위치한 마스터 타이밍 장치(60) 및 이 제어 노드 또는 제어된 노드, 예를 들어 네트워크의 기지국(22)중 어느 하나에 위치한 슬레이브 타이밍 장치(STU)간의 셀룰러 전기통신 네트워크(20)에서 동기화가 실행된다. 동기화를 수행시, 마스터 타이밍 장치 또는 슬레이브 타이밍 장치중 어느 한 장치는 응답 타이밍 장치로서 작용하는 다른 타이밍 장치에 대해서 제1 파라미터(t 1 )를 포함하는 동기화 분석 명령 메시지를 전송하는 초기화 타이밍 장치로서 작용한다. 응답시, 응답 타이밍 장치는 적어도 제2 파라미터(t 2 ) 및 바람직하게는 제3 파라미터(t 3 )를 포함하는 동기화 분석 응답 메시지를 초기화 타이밍 장치에 전송한다. 이 초기화 장치는 예를 들어 동기화 분석 응답 메시지로부터 추출된 파라미터들을 사용하여 슬레이브 타이밍 장치를 위한 동기화 조정값을 결정한다. 마스터 타이밍 장치가 초기화 타이밍 장치인 경우, 이 마스터 타이밍 장치는 동기화 갱신 명령 메시지에서의 동기화 조정값을 이 슬레이브 타이밍 장치에 전송한다.
Patent KR-20010043279-A (KR)
Title: 안전 인터로크 장치
IPC: H01R13/641
Filed: 1999-05-03
Abstract: 본 발명은,전력 케이블의 연결 말단부 상에 배치된 인터로크 커버, 커버 수용 공동을 구비한 하우징, 및 커버 잠금에 의해 커버가 안전하고 확실하게 잠겨지는 경우 전력을 전송할 수 있게 한 스위치를 포함하는 전기/전력 시스템에 전기/전력 연결을 구성하는 안전 커넥터 장치를 제공한다.
Patent KR-20020064577-A (KR)
Title: Method of fabricating a ferroelectric memory device
Inventor: KIM GI NAM
IPC: H01L27/105
Filed: 2001-02-02
Abstract: PURPOSE: A ferroelectric memory device and a method for forming the same are provided to prevent the electrical connection between a strip line and a plate line and to stably keep a contact resistance between the plate line and an upper electrode. CONSTITUTION: A first and a second interlayer dielectric(408,414) are formed on a semiconductor substrate(400). Lower electrodes(418) electrically connected with the semiconductor substrate(400), ferroelectrics(420) and upper electrodes(422) are sequentially formed to form ferroelectric capacitors(424). After forming a third interlayer dielectric(426) on the resultant structure, the planarization is performed to expose the upper electrodes(422) by etching the third interlayer dielectric(426). Then, a conductive layer is formed on the entire surface of the resultant structure. Then, plate lines(430) are formed to directly contact with the upper electrodes(422) by patterning the conductive layer.
Patent KR-20020066726-A (KR)
Title: Method for connecting multi-functional communication in an exchange
Inventor: LEE GANG DAE
IPC: H04M3/36
Filed: 2001-02-13
Abstract: PURPOSE: A multifunctional communication matching method for a switch is provided to simultaneously accept and arbitrate an X.25 matching board and an Ethernet board for providing billing data generated in the switch to an HC(Host Collector). CONSTITUTION: An IPC(Inter Processor Communication) matching board receives billing data from a CCP(Central Control Processor) and provides the received billing data to a CPU in an MP(Main Processor)(502). The CPU is operated by the loading control from the CCP for receiving signal a clock signal from a clock and reset unit and judging whether a daughter board is an X.25 matching board or an Ethernet matching board(503). If the daughter board is the X.25 matching board, the CPU transmits billing data provided from the IPC matching board to a connector in the X.25 matching board through a buffer and stores a fetched and executable program code in a ROM(504). The connector provides the billing data provided from the CPU to a buffer, and the buffer stores the billing data provided from the connector in an SRAM(505). An X.25 controller reads the billing data stored in the SRAM, and transmits the read billing data to an HC through an X.25 interface chip, a connector, and an X.25 network(506). If the daughter board is the Ethernet board, the CPU transmits the billing data provided from the IPC matching board to a connector in the Ethernet matching board through the buffer, and stores a fetched and executable program code in the ROM(507). The connector provides the billing data provided from the CPU to a buffer, and the buffer stores the billing data provided from the connector in an SRAM(508).
Patent KR-20010085456-A (KR)
Title: Rolling Mill for Sheet Material and Rolling Method for Sheet Material
Inventor: HIRAMA YUKIO
IPC: B21B13/14
Filed: 2001-02-22
Abstract: PURPOSE: To perform rolling suitable to hard materials and extra thin materials by supporting small-diameter work rolls with high reliability even under transient conditions such as the starting time of rolling work and completing time of the rolling work. CONSTITUTION: Non-driven both-end supporting rolls 9, 10, 11, 12 are installed at both ends on the outside of the region where sheets having the maximum width Wmax of the work roll 3 are passed through so as to be faced to each other on the inlet and outlet sides of each end part and the work rolls are pressed and supported by them. Hydrostatic bearings 21, 23 are installed in the middle part on both sides of the barrel of the work rolls 3, the work rolls 3 are floated by forming clearances between the hydrostatic bearings 21, 23 and the work rolls 3 by supplying fluid such as oil to the bearing parts from fluid pressure supply ports 25, 26 and supported in the horizontal direction in non-contact state. The proper floating height and supporting force are set or controlled by changing the supplying pressure of the fluid which is supplied to the hydrostatic bearings 21, 23.
Patent KR-20020071665-A (KR)
Title: Bed with storage area
Inventor: INAGAKI KENICHI
IPC: A47C17/54
Filed: 2001-03-07
Abstract: PURPOSE: A housing type bed is provided to set up a bed in a reclining state and facilitate taking-in/out of goods even in the state of a mattress being spread. CONSTITUTION: The housing type bed for forming a housing space (a housing part) of side plates(12,13) a headboard(14) and a footboard(15) is provided with top panels having both the function as a lid of a lower housing space and the function of forming a bed surface. The head side top panel(19) and the foot side top panels(20,21) are interconnected along the longitudinal direction of the bed(10) in such a way as to be free to rotate relative to each other. The head side top panel is opened at the head side end and the foot side top panel is opened at the foot side end.
Patent KR-20020072737-A (KR)
Title: Large Water Tank
Inventor: BYUN MOO WON
IPC: B65D90/02
Filed: 2001-03-12
Abstract: PURPOSE: An assembly type large water tank is provided to store water received therein in a clean, stable condition by restricting the corrosion of a stainless inner liner of the tank. CONSTITUTION: In the assembly type large water tank consisting of a horizontal bottom plate part(100), a wall plate part(200), and a top cover plate part(300), the bottom plate part, the wall plate part, and the top cover plate part are installed to form a framework by assembling steel beams(10), the bottom plate part and the wall plate part are installed so that stainless made inner liners are closely surrounded with interposing partition members(20) arranged successively inside the steel beams, and the upper plate part is installed so that the partition members are supported on the steel beams.
Patent KR-20020073220-A (KR)
Title: An apparatus for removing the powder in a graphite machine
Inventor: CHOI JAE U
IPC: B23Q11/08
Filed: 2001-03-14
Abstract: PURPOSE: A graphite processing apparatus is provided to prevent particles generated when processing the graphite from being dispersed in all directions by mounting a bellows partition chamber on an upper portion of a table. CONSTITUTION: A bellows partition chamber(4) is formed between a partition plate(3) and a particle collecting section. The bellows partition chamber(4) is made of bellows plate(41). Both ends of a lifting bracket(5) are inserted into a driving shaft(24). A rectangular opening(51) is formed at a center of the lifting bracket(5). A lower end of the wire(6) is connected to both ends of the lifting bracket(5). The bellows partition chamber(4) has a rectangular tub shape. A cavity formed in the rectangular opening(51) of the lifting bracket(5) is relatively larger than a cavity of a table(11) so that the lifting bracket(5) is prevented from making contact with the table(11).