baber/WOPTO huggingface dataset:
Patent KR-20020058430-A (KR)
Title: Method for fabricating a wire in semiconductor device
Inventor: LEE SEONG GWON
IPC: H01L21/28
Filed: 2000-12-30
Abstract: PURPOSE: A method for forming a line of a semiconductor device is provided to improve reliability of interconnections by preventing generation of a volcano defect. CONSTITUTION: A lower line layer(22) is formed on a predetermined region of a silicon substrate(21). An interlayer dielectric(23) is formed on the silicon substrate(21) including the lower interconnection layer(22). A via-hole is formed by etching the interlayer dielectric(23). The first titanium layer(24) and a titanium nitride layer(25) are deposited on interlayer dielectric(23) including the via-hole. A tungsten layer(26) is deposited thereon by using a physical vapor deposition method. A tungsten is deposited on the tungsten layer(26) by using a chemical vapor deposition method. The interlayer dielectric(23) is exposed by performing an etch back process or a chemical mechanical polishing process. A tungsten plug(27) is formed within the via-hole. Titanium and aluminium are deposited on a whole surface of the above structure. The second titanium layer(28) is deposited on the interlayer dielectric(23). An aluminium line(29) is formed on the second titanium layer(28).
Patent KR-20010052070-A (KR)
Title: 응고 사이클 중의 소시지 스트랜드 지지용 컨베이어 및소시지 스트랜드를 세정하고 건조하는 방법
IPC: A22C11/00
Filed: 1998-09-14
Abstract: 압출 장치(10)로부터의 소시지 스트랜드(26)를 이동시키고, 상기 스트랜드의 외면(28)을 응고시키는 컨베이어 조합체(34)가 프레임(36) 상에 설치된 제1 및 제2 컨베이어 요소를 갖는다. 상기 프레임(36)상의 상기 컨베이어 조합체(34)는 시작점으로부터 제1 배출 스테이션(40)까지 하향으로 경사지고, 거기서부터 상기 시작점으로 복귀한다. 염수 유동 순환로(74)가 다수개의 배출 노즐(82)을 보유한 상기 컨베이어의 윗쪽으로 상기 프레임(36) 상에 설치되어 상기 컨베이어 조합체(34)와 함께 이동하는 소시지 스트랜드(26) 위에 염수를 분사한다. 상기 제1 배출 스테이션(40)으로부터 상류로 상기 시작점에서 중간 배출 스테이션(35)까지 상기 제1 컨베이어 요소(48)가 연장된다. 제2 컨베이어 요소(49)가 상기 중간 배출 스테이션(35)에서 상기 제1 배출 스테이션까지 연장된다. 상기 제2 컨베이어 요소(49)는 내부에 다수개의 개구를 가지고, 이로써 염수 유체가 중력에 의해 이를 통과할 수 있다.
Patent KR-20010034213-A (KR)
Title: 스트리밍 비디오 수신기용 복호기 버퍼
IPC: H04L1/18
Filed: 1999-11-18
Abstract: 스트리밍 비디오 데이터 패킷을 수신하여 복수의 액세스 단위로 데이터 패킷을 저장할 수 있는 복호기 버퍼가 개시되어 있다.  각각의 액세스 단위는 스트리밍 비디오 내의 선택된 프레임에 연관된 적어도 하나의 데이터 패킷을 보유한다.  복호기 버퍼는 1) 비디오 복호기에 의해 덜 즉시 필요로 되는 데이터 패킷을 저장하기 위한 적어도 하나의 액세스 단위를 포함하는 제1 버퍼 영역, 및 2) 비디오 복호기에 의해 가장 즉시 필요로 되는 데이터 패킷을 저장하기 위한 적어도 하나의 액세스 단위를 포함하는 액세스 재전송 영역을 포함한다.  복호기 버퍼는 상기 재전송 영역 내의 누락 데이터 패킷의 검출에 응답하여 상기 누락 패킷을 상기 스트리밍 비디오 송신기가 재전송할 것을 요청한다.
Patent KR-20010041878-A (KR)
Title: 광 기록매체
IPC: G11B7/24082
Filed: 1999-03-15
Abstract: 광 기록매체는, 제어정보를 광학적으로 검출가능한 마크들의 패턴으로 기록하고 제어정보로 구성된 평행한 트랙들을 갖는다. 이 트랙들은 인접 트랙들의 쌍으로 그룹지어진다. 한 쌍의 양 트랙에 있는 제어정보는 동일하고, 다른 쌍의 트랙들의 제어정보는 다르다. 제어정보의 식별은, 인접 트랙들의 누화 영향을 감소시킨다.
Patent KR-20010043312-A (KR)
Title: 에너지 안내 체인
IPC: H02G11/00
Filed: 1999-05-05
Abstract: 본 발명은 케이블, 호스등을 안내하는 에너지 안내 체인에 관한 것으로   가로 부재에 의해 연결되는 평행한 스트랩에 의해 형성되고 서로 관절결합식 (in articulated manner)으로 연결되는 다수의 체인 링크를 가지며 여기서 에너지 안내 체인은 상부 스트랜드, 하부 스트랜 및 양자를 연결하는 굴곡 영역을 형성하도록 움직일 수 있고 상부 스트랜드는 하부 스트랜드상에 놓인다.    상부 스트랜드가 하부 스트랜드상을 가능한 가장 적은 힘으로 적게 마모되면서 움직일 수 있고 가능한 가장 단순한 디자인을 가지는 에너지 안내 체인을 설계하기 위하여,  상부 스트랜드 (28) 및 /또는 하부 스트랜드 (29) 의 체인 링크의 적어도 일부에 롤러 (15)가 제공되어 있고,  이 롤러는 에너지 안내 체인 (27) 이 이동할때 반대편 스트랜드의 체인 링크상에 제공된 운동면 (19) 상을 회전할 수 있도록 배치되도록 제안된다.
Patent KR-20010052700-A (KR)
Title: 좁은 폭 및 표준 폭의 용지를 위한 트레이
IPC: B65H3/52
Filed: 1999-06-10
Abstract: 용지 지지 트레이(10)는 하부 레벨 평면 부분(21) 및 상부 레벨 평면 부분(23) 형성되는 바닥 지지 벽(15)을 갖는다. 상부 레벨 평면 부분(23)은 먼 쪽의 롤러(31)와 먼 쪽의 용지 억제 패드(35)와 맞물리도록 충분히 넓은 용지(15)의 공급 중 측부 벽(19)에서 단지 제일 가까운 공급 롤러(32)가 최종 용지 억제 패드(36)에 맞물릴 수 있도록 일정한 거리로 이어진다. 이러한 결과적인 먼 쪽의 롤러(31)와 먼 쪽의 억제 패드(35)의 분리는 공급 중 용지(15)의 삐뚤어짐을 방지한다.
Patent KR-20010053147-A (KR)
Title: 다용도 자동차 공구
IPC: H01H85/02
Filed: 1999-06-23
Abstract: 본 발명에 따른 다용도 공구(10)는, 플래시(72), 타이어 압력 게이지(74), 스크래퍼(60) 및 퓨우즈 인장기(430)와 같은, 자동차에서 이용할 수 있는 다수의 공구(60,72,74,84,86)를 포함한다.  상기 스크래퍼(60)는 공구 손잡이(20,30)와 직각으로 스크래퍼(60)를 배치시킬 수 있게 다용도 공구(10)의 손잡이에 회전할 수 있게 장착된다.  상기 공구(10)는 절삭 날(284), 스크류드라이버(286) 및 캡 리프터(288)와 같은 회전할 수 있게 장착된 공구뿐만 아니라, 한 쌍의 집게(40)와 같은 회전 조오(42,44)를 포함한다.  각각의 손잡이(20,30)는 결합된 공구를 위한 보관 채널을 가진다.  공구 조오(42,44)는, 조오(42,44)가 함께 작동하는 작동 위치와 손잡이(20,30)에서 보관 위치 사이에 선택 운동을 위해 손잡이(20,30)에 회전할 수 있게 장착된다.
Patent KR-20020060524-A (KR)
Title: An apparatus and method for providing voice information to car
Inventor: LEE GYU SEUNG
IPC: H04B7/26
Filed: 2001-01-11
Abstract: PURPOSE: A car voice information providing apparatus and method are provided to connect to a pertinent car voice information provider server through a mobile phone and receiving desired voice information by depressing a pertinent service button. CONSTITUTION: A user selects and inputs a pertinent service button corresponding to a desired car voice information providing server among a plurality of service buttons(S10). A controller checks an access number corresponding to the selectively inputted button from a ROM(S11) and transmits it to a mobile phone through a mobile phone connecting unit. The mobile phone dials the transmitted telephone number to attempt a call connection to the car voice information providing server through a CDMA mobile communication network and PSTN(S12). When the mobile phone is connected for call to the car voice information providing server(S20), a user requests desired information through a voice communication with a consultant positioned at the car voice information providing server(S21). The user listens to voice information received through his/her mobile phone through an ear phone provided at the car voice information providing unit(S22).
Patent KR-20010035243-A (KR)
Title: The total system of real estate which has a real time simulation using new multimedia technologies
Inventor: KOH HEE BONG
IPC: G06F17/00
Filed: 2001-01-26
Abstract: PURPOSE: A real estate portal system is provided to enable a user to receive all the information on a real estate in real time, and to make a transaction or an auction with other users by using a real time simulation with multimedia technologies. CONSTITUTION: The system comprises steps of offering a real time internet broadcasting, enabling the user to search for a wanted real estate information from specified web database by using an exclusive search engine, offering membership management system, giving an electronic approval system when it is traded of real estate or rented of real estate, enabling the user to exchange data with law experts via an internet chatting service or an e-mail, offering state of real estate transaction or auction, calculating an extra dividend of the suction results, enabling the user to make an auction simulation before the auction of the real estate, counting the present amount of money of the user's own real estate, enabling the user to simulate a trade simulation of the real estate, and making a fair sharing of a membership fee.
Patent KR-20020064480-A (KR)
Title: Method of drying a wafer
Inventor: AHN JONG PAL
IPC: F26B21/14
Filed: 2001-02-01
Abstract: PURPOSE: A wafer drying method is provided to easily remove a deionized water or a moisture on a surface of a wafer due to a fluid treatment and a wet processing by using a polar organic solvent vapor. CONSTITUTION: A wafer(40) is firstly rinsed in a rinse zone(22) by a deionized water(50) supplied from a flow deionized water supply(30). By raising the wafer(40) to a deionized water surface, the deionized water is exhausted through an overflow unit(23) and the second rinse is performed on the wafer(40) by one way stream through a one way stream module(25). A substitution/drying zone substitutes a polar organic solvent vapor for the deionized water(50) and a moisture on the surface of the wafer(40). The wafer(40) is dried by removing the adsorbed polar organic solvent vapor on the wafer(40) using only an inert carrier gas supplied from a spray zone(10).
Patent KR-20010078282-A (KR)
Title: Numerical control apparatus and control method of machine tool
Inventor: FUJITA JUN
IPC: G05B19/416
Filed: 2001-02-02
Abstract: PURPOSE: To provide a numerical controller and a control method for machine tool capable of shortening a machining time while maintaining the machining precision of a work, and maintaining the machining precision of the work even at the time of machining the work by machine tools different in characteristics by using the same machining program. CONSTITUTION: This controller is provided with an analyzing part 51 and a shape evaluating part 52 being an analyzing means for extracting information for specifying the feeding speed of a cutting tool for a work from a cutting feed command program included in a machining program for specifying the machining procedure of the work by a machine tool and extracting machining information added to the cutting feed command program, a target feeding speed calculating part 53 being a feeding speed optimizing means for optimizing the feeding speed of the cutting tool based on the extracted information, an acceleration/deceleration processing part 59, and a distributing part 65 being a distributing means for calculating speed commands to be distributed to respective control shafts of the machine tool based on the optimized feeding speed.
Patent KR-20020066784-A (KR)
Title: A solid polymer electrolyte for lithium/sulfur battery and it's fabrication method
Inventor: AHN HYO JUN
IPC: H01M10/0565
Filed: 2001-02-13
Abstract: PURPOSE: Provided are a solid polyelectrolyte suitable for high capacity lithium sulfur battery, and a method for producing the same which reduce manufacturing time of polyelectrolyte without degrading a capability of polyelectrolyte. CONSTITUTION: The solid polyelectrolyte for lithium-sulfur battery consists of any one of polymer selected from PVC(polyacrylonitride) and PMMA(polymethyl-methacrylate); and any one of plasticizer selected from EC(ethylene carbonate) and PC(propylene carbonate); and a lithium salt for increasing an ion-conductivity. The plasticizer content is 1.40-3.26. The polyelectrolyte is produced by the steps of (i) providing any one of polymer selected from PVC and PMMA; (ii) providing any one of plasticizer selected from EC and PC; (iii) providing a lithium salt for increasing an ion-conductivity; (iv) providing an attritor type of ball mill in order to homogeneously mixing the polymer, plasticizer and lithium salt; (v) mixing the polymer, plasticizer and lithium salt in the ball mill and forming a mixed solution using solvent; and (vi) drying the mixed solution to form a thin film.
Patent KR-20020073699-A (KR)
Title: Audio power amplifying apparatus and method
Inventor: KIBO MASAO
IPC: H03F1/32
Filed: 2001-03-15
Abstract: PURPOSE: An apparatus and a method for amplifying an audio power are provided, which amplifies a power of an audio input signal using a selected supply power by selecting the supply power having a level proportional to a level of the audio input signal without using a comparator. CONSTITUTION: A preamplifier(20A) amplifies an audio input signal after dividing it into positive and negative parts, and outputs the amplified positive parts and the amplified negative parts. A power supply part supplies the first-the Mth positive powers having different and gradually decreasing levels and the first-the Mth negative powers having different and gradually decreasing levels. A power amplification part(24A) selects a positive supply power having a level proportional to the level amplitude of the amplified positive part from one of the positive powers, and selects a negative supply power having a level proportional to the level amplitude of the amplified negative powers, and amplifies the amplified positive part again in response to the positive supply power and amplifies the amplified negative part again in response to the negative supply power, and outputs the re-amplified positive and negative parts. And a signal synthesis part(26A) synthesizes the re-amplified positive parts and the re-amplified negative parts, and outputs the synthesis result as the audio output signal.
Patent KR-20010090508-A (KR)
Title: Fixing member, electroluminescent device using the member and backing substrate for the device
Inventor: MASIKO HIROAKI
IPC: H01L51/52
Filed: 2001-03-22
Abstract: PURPOSE: To obtain a fixing member which can suppress a manufacturing cost of an EL element, an EL element using it, and its back surface substrate. CONSTITUTION: The fixing member is provided with a sheet material 10 with ventilation part 10a which covers a removal agent 8 in portions other than a circumferential edge, and an adhesion agent 11 prepared in the circumferential edge.
Patent KR-20020074959-A (KR)
Title: Method of schedule management in a mobile phone
Inventor: KO SE EUN
IPC: H04B1/38
Filed: 2001-03-23
Abstract: PURPOSE: A schedule management method in a mobile terminal is provided to add an SMS(Short Message Service) automatic transmission function to the schedule management function of a mobile terminal so that a short message can be automatically transmitted at a scheduled date. CONSTITUTION: A user selects a specific date at a schedule management mode among the menus of his mobile terminal(S1). The user selects an SMS transmission reservation for the selected date(S2). The user inputs a calling number for SMS transmission(S3). Then the user selects whether he/she will use a stored message or make out a new message(S4). In case that the user wants to use a stored message, the mobile terminal provides a list of stored messages(S5). If the user wants to make out a new message, the mobile terminal provides an edit screen for message editing(S6). If a message to send is selected or made out, the mobile terminal stores and manages the message so that it can be automatically sent on the selected date(S7). If the selected date comes, the mobile terminal automatically transmits the stored message(S8).
Patent KR-20010095151-A (KR)
Title: Semiconductor device capable of surely fixing voltage at well
Inventor: NATSUME HIDETAKA
IPC: H01L27/10
Filed: 2001-03-30
Abstract: PURPOSE: To restrain well potential fluctuation and prevent latch-up without separately installing a well fixing region other than in a memory cell region. CONSTITUTION: An N+ diffusion layer region 103 and an element isolating region 105 are formed inside of a P well region 101, a gate electrode 106 (word line) is arranged on this element isolating region 105, a contact 109, which connects from a first metal wiring layer 110a of the Vss potential to the N+ diffusion layer region 103, is opened, and a well contact 108, which penetrates the element isolation region 105 and reaches a P well region 101, is opened.
Patent KR-20010095295-A (KR)
Title: Method of forming a watermark image in a hybrid optical master disc
Inventor: HA BRUCE L
IPC: G11B7/24097
Filed: 2001-04-04
Abstract: PURPOSE: A method for forming watermark image is provided to obtain an optical recording or storage medium having medium identification indicia which also offer protection against copying, with the indicia formed directly in an optical recording layer or in an optical storage layer of the medium. CONSTITUTION: A method of forming a watermark image in a hybrid optical master disc(10) for replication in a hybrid optical disc, comprises the steps of providing a master substrate(12); coating a photoresist layer(20) over a surface(22) of the master substrate; exposing at a laser beam groove exposure level a continuous spiral wobbled groove in the photoresist layer, the groove extending from a designated read-only memory(ROM) area(30) to a designated recordable area(50) of the master disc, and exposing at a laser beam depression exposure level depressions in the groove in the ROM area in response to data to be recorded therein; projecting a watermark image(100) over at least portions of the ROM area and the recordable area at a watermark exposure level which is lower than the groove exposure level; and developing the photoresist layer to provide the continuous spiral wobbled groove, the depressions in the ROM area, and portions of the watermark image remaining in lands between successive turns of the spiral groove.
Patent KR-20020068237-A (KR)
Title: A method for manufacturing of pipe
Inventor: SONG CHANG YOULL
IPC: B21C37/06
Filed: 2001-04-09
Abstract: PURPOSE: A method for manufacturing a pipe is provided which is capable of perforating various shaped holes, prevents distortion of the surroundings of the holes, and more safely manufactures a hollow pipe by additionally installing an automatic hole perforation apparatus at a pipe manufacturing process line. CONSTITUTION: The method for manufacturing a pipe comprises the steps of transferring a strip member coiled in a roll type using a pair of upper and lower transfer rollers which are rotationally and vertically installed (S100); perforating a plural holes on the strip member being transferred by the transferring step using a perforating apparatus equipped with a plural exchangeable perforating members in such a way that the holes are spaced apart from each other in a certain distance (S200); rolling forming the strip member into a hollow pipe one end of which is cut using a roll forming machine equipped with a plural upper and lower forming rolls which are rotationally and vertically installed in pairs, and each of which have different cross sectional shapes (S300); welding the cut part of the pipe that is being transferred after it is formed into a hollow pipe by the forming step using a welding machine (S400); grinding the pipe by supplying a cutting oil toward a surface machining tool through an injection nozzle so as to machine the surface of the pipe while the hollow pipe on which beads are formed by the welding step is being transferred (S500); smoothing the pipe using a straight line leveller equipped with a plural upper and lower rollers which are rotationally and vertically installed in pairs so as to smooth out the pipe while the hollow pipe on which deformed parts are formed by the grinding step is being transferred (S600); and cutting the hollow pipe as transferring to a cutting member the hollow pipe measured by a length measuring device measuring the welding part ground pipe to a certain length (S700).
Patent KR-20020078377-A (KR)
Title: Apparatus for matching of dual band antenna
Inventor: SON GI PYO
IPC: H01Q5/00
Filed: 2001-04-09
Abstract: PURPOSE: A dual band antenna matching apparatus is provided to obtain an optimum standing wave ratio by converting a resonance term in accordance with the frequency band during frequency matching of different bands. CONSTITUTION: A dual band antenna matching apparatus comprises a dual band antenna(100); a matching circuit(400); a feeding circuit(500); a control unit(200) for generating control signals for converting resonance terms in accordance with the input frequency band(mode) signal; and a resonance term converting unit(300) interposed between the dual band antenna and the matching circuit, and which converts resonance term of the matching circuit in accordance with the control signal generated from the control unit. The resonance term converting unit includes an active transistor which is turned on/off by the control signal output from the control unit; and a capacitor connected in parallel to the matching circuit, and which converts resonance term of the matching circuit in accordance with the on/off operation of the active transistor.
Patent KR-20020080546-A (KR)
Inventor: CHOI YEONG SEOK
IPC: H01L29/06
Filed: 2001-04-16
Abstract: PURPOSE: A high voltage lateral double diffused metal oxide semiconductor(DMOS) transistor having low on-resistance and high breakdown voltage is provided to increase current transportation capacity in an n-type well region, by forming a plurality of separated p-type well regions in the n-type well region between a channel region and a drain region. CONSTITUTION: A semiconductor substrate is of the first conductivity type. A gate electrode is formed on a partial surface of the semiconductor substrate, insulated from the semiconductor substrate. A body region(130) of the first conductivity type has a channel region overlapping the gate electrode in the first region of the semiconductor substrate. A source region(150) of the second conductivity type is formed in the body region. A drift region of the second conductivity type is formed in the second region of the semiconductor substrate adjacent to the channel region. A drain region(180) of the second conductivity type is formed in the drift region. A plurality of well regions of the first conductivity type are horizontally separated in the drift region.
Patent KR-20010098798-A (KR)
Title: 양극 물질 및 니켈-아연 배터리
IPC: H01M4/32
Filed: 2001-04-21
Abstract: 본 발명은 인사이드-아웃 구조의 니켈-아연 배터리를 제공하는 것으로, 즉, 배터리는 베타형 니켈 옥시수산화물을 포함하는 양극과 아연을 포함하는 음극을 포함하고, 알칼리 망간 배터리와 유사한 구조를 가지며, 상기 베타형 니켈 옥시수산화물은 실질적으로 구형인 입자들로 구성되고, 평균 입자 크기는 19㎛ 내지 최대 40㎛의 범위 내에 있고, 벌크 밀도는 1.6g/㎤ 내지 최대 2.2g/㎤의 범위 내에 있고, 탭 밀도는 2.2g/㎤ 내지 최대 2.7g/㎤의 범위 내에 있고, BET 방법에 기초한 비표면적은 3m 2 /g 내지 최대 50m 2 /g의 범위 내에 있으며, 니켈 아연 배터리의 양극은 양극의 총 중량에 대한 흑연 분말의 중량이 4% 내지 최대 8%의 범위 내로 정의되는 흑연 분말을 포함한다.
Patent KR-20020082606-A (KR)
Title: Door glass grip of an automobile
Inventor: JANG SAM SEOK
IPC: B60J1/08
Filed: 2001-04-24
Abstract: PURPOSE: A door glass grip is provided to operate safely by firmly installing a door glass and preventing the surface damage of the door glass. CONSTITUTION: A body(100) is combined with a regulator rail. An inserting groove(110) is formed in the body to be inserted under a door glass(20) having a through hole(21). A through hole(120) is formed in the front side of the body to be connected with the through hole(21). The door glass is fixed on the body by combining a bolt(B) and a nut(N) through the through hole(120). A rubber pad(200) is included between the door glass and the body to prevent the surface damage of the door glass.
Patent KR-20010100932-A (KR)
Title: 산화방법 및 산화시스템
IPC: H01L21/316
Filed: 2001-04-30
Abstract: 수산기 활성종 및 산소 활성종을 생성하는 처리용기내에서 진공분위기로 소정의 온도로 가열된 피처리체의 표면을 산화하는 산화방법이다.  수산기 활성종 및 산소 활성종은 처리용기내의 피처리체의 표면을 산화한다.  산화막의 막내 두께 균일성 및 품질이 개선되며, 산화율이 비교적 높은 수준으로 유지된다.
Patent KR-20020085916-A (KR)
Inventor: KIM YEONG UN
IPC: E05F3/04
Filed: 2001-05-10
Abstract: PURPOSE: Structure of a car door checker is provided to allow a rotating speed of the door checker to be adjusted freely, thus improving an opening and closing operation stability of a door and a support force of the door. CONSTITUTION: In the door checker(10) installed together with a door hinge(16) between a door(12) and a car pillar panel(14) for controlling an opening and closing degree of the door, the door checker comprises a first mounting bracket(10a) coupled to the car pillar panel; a checker arm(10c) coupled to the first mounting bracket by interposing a hinge pin(10b); a hydraulic cylinder(10e) receiving a piston installed to the tip end of the checker arm; and a second mounting bracket(10f) coupled to the tip end of the hydraulic cylinder to fix the hydraulic cylinder to the door.
Patent KR-20020089040-A (KR)
Title: Wire gearing apparatus
Inventor: JUNG EEUNG IK
IPC: B66B7/00
Filed: 2001-05-22
Abstract: PURPOSE: A wire feeder is provided to accurately transfer power without the slippage of a wire on a roller gear if a tension over a specific degree is applied by maximizing the frictional force between the wire and the roller gear. CONSTITUTION: A wire feeder comprises more than four roller gears(10,11,12,13) of which one sections are gear sections(14) and other sections are roller sections(15), a housing(20) for surrounding the roller gears, and guide rollers(19) formed at both end portions of the housing through which a wire enters and exits. The roller gears rotate while engaging with each other. The wire is fed by the maximum frictional force.