baber/WOPTO huggingface dataset:
Patent KR-20010022725-A (KR)
Title: 프로필렌 옥시드의 정제방법
IPC: C07D303/04
Filed: 1998-07-27
Abstract: 메탄올을 용매로서 이용하는 에폭시화 반응에 의해 수득되는 프로필렌 옥시드는 비정제 에폭시화 반응 생성물을 분별 증류기로 처리함으로써 아세트알데히드가 효과적으로 제거된다.   상기 메탄올 용매는 상기 증류 과정동안에 사용되어 아세트알데히드 불순물의 상대적 휘발성을 저하시켜 실질적으로 모든 아세트알데히드를 포함하는 저부 부분을 형성케 한다.   감소된 아세트알데히드 농도를 갖는 정제된 프로필렌 옥시드는 오버헤드 스트림으로 제거된다.   또한, 물도 상기 방법에 의해 프로필렌 옥시드로부터 효과적으로 분리된다.
Patent KR-20010031292-A (KR)
IPC: B61L5/06
Filed: 1998-10-19
Abstract: Switch box for railway, tramway, or similar comprising a drive unit (M, 3, 4, 5, 5', 5'', 5''', 6) for the shifting motion of the blades (A1, A1', A2, A2') and at least one group of linear transmission (12, 20, 21, 24) of the drive motion to the blades, movable device (24, 124) to lock the blades in their respective closed positions. The groups are housed in a box (1) which has substantially the dimensions and the shape of a sleeper and which is fitted in the track in place of and with the function of a sleeper. The switch box has movable device (23, 24, 124) to lock the blades (A1, A1', A2, A2') in their corresponding closed positions. The device (23, 24, 124) are associated with their respective blade (A1, A2) and arranged inside the box (1) in the area of the same and are brought automatically into active locking position when the corresponding blade (A1, A2') reached the closed position, while they are automatically disengaged on activation of the switch box to switch the blade into the position of closure of the blade (A2', A1) opposite.
Patent KR-20010015852-A (KR)
Title: 광학 디스크 재생 장치 및 광학 디스크 재생 장치를제어하는 방법
IPC: G11B19/04
Filed: 1999-09-29
Abstract: 본 발명은 메모리(6)에 대한 버퍼링이 인터럽트되어 졌을 때, 광학 디스크(1)로부터 데이터 판독을 재개하는 마이크로컴퓨터(7), 버퍼링 인터럽트 및 제 2 데이터가  마이크로컴퓨터(7)로부터의 인스트럭션에 따라 판독되기 이전에 메모리에 버퍼링된 제 1 데이터를 "n"개의 그룹으로 제각기 분할하여 제 1 데이터 및 제 2 데이터가 일치 상태에 있는지를 검출하는 연속적인 데이터 검출기(55) 및, 연속적인 데이터 검출기(55)의 결과에 기초하여 버퍼링 재개의 타이밍을 지시하는 버퍼링 재개 요청 생성 회로(56)를 포함하는 광학 디스크 재생 장치에 관한 것이다.
Patent KR-20010041186-A (KR)
Inventor: IVANOV VLADIMIR NIKOLAEVICH
IPC: H04B1/707
Filed: 1998-12-21
Abstract: PURPOSE: A digital correlator is provided to ensure a reliable frequency division of the signals from the GLONASS(GLObal NAvigational Satellite System) in receivers that receive pseudo-noise signals from the GPS and GLONASS and ensure the reception and the correlation processing of the signals C/A of the codes of the systems within a frequency range L1/F1. CONSTITUTION: A digital correlator of the SRNS signal receiver comprises N channels. The first and second signal inputs of the channels, the clock inputs and the inputs-outputs of all N channels are interconnected and form, respectively, a first and a second signal inputs, a clock input and an input-output of the digital correlator. The first and second signal inputs of the switchboard form first and second signal inputs of the channel respectively. The input-output of the unit form an input-output of the channel. The clock inputs of the storage units, generators and programmed delay lines are connected to each other and form a clock input of the channel.
Patent KR-20010041626-A (KR)
Title: 지방족 알파, 오메가-디아민의 제조 방법
IPC: C07C255/24
Filed: 1999-02-23
Abstract: 본 발명은 수소화에 사용되는 촉매가 a) 철 또는 철 기재의 화합물 또는 그의 혼합물, b) a)에 대해 0.001 내지 0.3 중량%의 알루미늄, 규소, 지르코늄, 티탄 및 바나듐의 군으로부터의 2, 3, 4 또는 5개의 원소를 기재로 하는 조촉매, 및 c) a)에 대해 0 내지 0.3 중량%의 알칼리 및(또는) 알칼리토 금속을 기재로 하는 화합물을 함유하는 것을 특징으로 하는, 촉매 존재하 지방족 알파, 오메가-디니트릴의 수소화 반응에 의한 지방족 알파, 오메가-디아민의 제조 방법에 관한 것이다.
Patent KR-20010042076-A (KR)
Title: 이동식 파쇄기계
IPC: B02C21/02
Filed: 1999-03-18
Abstract: 효율좋게 생산할 수 있는 고품질 제어이며, 또한 이상발생을 방지하는 것에 의해 자기손상 등도 방지할 수 있는 이동식 파쇄기계를 제공한다. 이 때문에, 이동가능한 차체(1) 상에 각각 구동가능하게 된 피더(3)와 파쇄기(4)를 구비하는 이동식 파쇄기계에 있어서, 파쇄기(4) 내부에서의 피파쇄물(6a)의 양(H)을 검출하는 피파쇄물량 검출수단(7)과, 피파쇄물량 검출수단(7)으로부터 양(H)을 받고, 받은 양(H)에 기초하여 피더(3)의 구동속도(V)를 변경가능하게 제어하는 제어수단(10)을 구비한다.
Patent KR-20010042721-A (KR)
Title: 유압식 잠금 장치
IPC: B25B5/06
Filed: 1999-10-21
Abstract: 케이스 부재(2) 내에 외주측 유압실(5)에 연결되어 통한 토출부(6)를 가지는 증압기(7)를 설치하는 동시에, 증압기(7)의 입력 유체실(15)에 외부로부터 입력 유압을 공급하는 입력포트(16)를 설치하고, 외주측 유압실(5)과 토출부(6)에 밀봉 상태로 충전한 오일을 제공하고, 입력 유압에 의해 증압기(7)를 구동하여 토출부(6)와 외주측 유압실(5)에 입력 유압보다도 고압의 유압을 발생시켜, 슬리브(4)의 얇은 통 부분(4a)을 직경이 축소되는 측으로 탄성 변형시켜 로드를 잠그도록 구성하였다.  이로써, 유압식 잠금 장치의 소형화와 고출력화를 도모하는 것, 유압 공급원의 소형화와 저압화를 도모하는 것이 가능해진다.
Patent KR-20010042863-A (KR)
Title: 유체 에너지 밀링 방법 및 장치
IPC: B02C19/06
Filed: 1999-04-19
Abstract: 본 발명에 따른 밀링에 사용되는 압축 공기의 습도를 조절하기 위한 수단을 포함하는 유체 에너지 밀링 장치는 개선된 초미분쇄 생성물, 특히 약제 조성물중의 약제 물질로서 사용하기 위한 수화물을 제공한다.
Patent KR-20010052642-A (KR)
Title: 두 개의 직교축선을 중심으로 카메라 또는 유사물품을회전가능하게 위치결정시키기 위한 장치
IPC: G03B17/56
Filed: 1999-05-26
Abstract: 위치결정장치(100)가 요크(106)에 의해서 직교 회전축선을 중심으로 카메라(102) 또는 다른 물품을 회전 가능하게 위치결정시키기 위해 구비된다.  요크(106)는 수직축선을 중심으로한 요크의 회전을 위하여 베이스 조립체에 회전가능하게 커플링되어진다.  수평 및 수직 축선을 중심으로한 카메라의 회전은 각각이 한쌍의 자석과 전류가 공급되는 적어도 하나의 코일부를 포함하는 제 1 및 제 2 보이스 코일 액츄에이터(110,112)에 의해서 주어진다.  코일부에 공급되는 전류의 크기와 방향은 카메라의 회전 속도와 방향을 결정한다.  제 2 보이스 코일 액츄에이터는 바람직하게 두개의 대향 코일부를 포함하는 코일 조립체를 포함하고 있다.  이러한 설계는 종래 기술의 보이스 코일 액츄에이터와 연관된 각도 범위한계를 극복하고, 확장된 각도 범위에 대해 카메라의 회전을 가능하게 한다.  이 장치는 회의 시스템에서 비디오 카메라의 팬 및 틸트 각도를 조정하는데 유용하게 이용될 수 있다.
Patent KR-20010052717-A (KR)
IPC: A61K47/02
Filed: 1999-06-07
Abstract: Disclosed is a non-sustained release pharmaceutical tablet composition which comprises a rapidly precipitating drug in an amount from about 5 to about 60% and at least one member selected from the group consisting of a binder in an amount of from about 2 to about 25% and a superdisintegrant in an amount from about 6 to about 40% where the rapidly precipitating drug, "binder" and superdisintegrant are mixed and compressed into a tablet without heating, solvent or grinding.
Patent KR-20020061680-A (KR)
Title: Discharging method for electrolytic capacitors for electric vehicle
Inventor: CHOI UK DON
IPC: B60L11/18
Filed: 2001-01-17
Abstract: PURPOSE: A discharge method for electrolytic capacitor is provided to discharge, in a safe manner, the residual power from the electrolytic capacitor within a short time period, without using a discharge resistance or semiconductor element. CONSTITUTION: A discharge method comprises a first step of judging whether the signal input to a controller is an operation stop command like key-off or release of charging device; a second step of cutting off power of a main battery cell by outputting an operation off signal to a main contact unit, and outputting an operation on signal to an inverter, if it is judged in the first step that the signal is an operation stop command; a third step of allowing the inverter to operate by the residual power of an electrolytic capacitor, in such a manner that the q-axis current for rotating force is set to zero and only the d-axis current for flux is applied to a driving motor; a fourth step of judging whether the residual power of the electrolytic capacitor is completely discharged by measuring voltages at both ends of the electrolytic capacitor; and a fifth step of allowing the controller to output an operation off signal to the inverter and turn off power of the controller, if it is judged in the fourth step that the residual power is completely discharged from the electrolytic capacitor.
Patent KR-20020061959-A (KR)
Title: Method for down loading and up loading a data file in personal data assistant station
Inventor: KANG YUN GYU
IPC: G06F9/44
Filed: 2001-01-19
Abstract: PURPOSE: A method for downloading and uploading a data file on a PDA(Personal Digital Assistant) station is provided to download the files stored in the PDA to the station or the upload the files stored in the station to the PAD without connecting to a PC and to selectively store and transfer the file by confirming that the upload/download file is a newly stored file. CONSTITUTION: The PDA(100) comprises a touch screen(10), a keyboard(13), a memory(12), a CPU(11), a battery(15), an interface(14) and a power supply connector(16). The station(200) comprises a backup memory(22), a power supply(25), a power supply connector(26), a keyboard(23), a system controller(21), an interface(24) for the connection with the PDA and an interface(27) for the connection with the PC. The backup memory such as SRAM is capable of storing a large capacity data file. The system controller controls the operation of respective components through the data inputted by the user and the interface for the PDA, downloads the file stored in the PDA to the backup memory and uploads the file stored in the backup memory to the PDA.
Patent KR-20020063670-A (KR)
Title: Grid structure of electron gun in cathode ray tube
Inventor: KANG BYEONG GYU
IPC: H01J29/48
Filed: 2001-01-30
Abstract: PURPOSE: An electrode structure for an electron gun for use of CRT is provided to achieve improved voltage withstanding characteristics and resolution by enhancing the electrode structure of electron gun. CONSTITUTION: An electron gun comprises a triode unit(20) for emitting, controlling and accelerating an electron beam; a lens forming electrode(40) where a plurality of electrodes are superimposed so as to let the electron beam pass through the triode unit to be focused onto a screen; and a recessed portion(41) is formed on at least one of the superimposed electrode surfaces of the lens forming electrode, so as to remove foreign substances from each electrodes of the lens forming electrode. The recessed portion includes a vertical axis formed in the same direction as that of electron beam passage holes formed at each electrode of the lens forming electrode; and a horizontal axis formed perpendicularly to the electron beam passage holes.
Patent KR-20010067511-A (KR)
Title: A method for reducing a telecommunication fee using a secret number and an intrinsic number of goods
Inventor: HUH GYEONG JIN
Filed: 2001-02-02
Abstract: PURPOSE: A communication charge reducing method is provided to allocate a secret number and an identity number on a commodity, and reduce a communication charge as much as an amount designated to the commodity to be distributed freely to users so that it can maximize an advertisement effect and induce a consecutive purchase. CONSTITUTION: The method comprises steps of a service operator offering an advertiser commodities with a secret number, an original number and charge reducing amount data and at the same time storing the basic data at a database(s10), the advertiser distributing the commodities(s20), a commodity owner accessing a server and inputting the basic data recorded in the commodity, a phone number, a name, a habitant registration number(s30), the server checking if the input data is identical to the basic data registered in the database(s40), the server recording the input data at the database in the case that the input data is identical to the basic data registered in the database(s50), the service operator remitting the designated money to a carrier and requesting the carrier to reduce the communication charge of the corresponding commodity owner(S60), the carrier calculating the communication charge and reducing the charge as much as the remitted amount(s70,s90,s100,s110), and the advertiser paying for the commodities(s120).
Patent KR-20020065277-A (KR)
Title: Mask aligner and optical source for mask aligner
Inventor: KIM JIN MUK
IPC: H01L21/027
Filed: 2001-02-06
Abstract: PURPOSE: An apparatus for aligning a mask and a light source for the same are provided to prevent misalignment by maintaining constantly brightness of a light source. CONSTITUTION: A mask alignment apparatus has a light intensity sensor(302) and a light intensity controller(301). The light intensity sensor(302) is used for detecting intensity of light generated from a light source(115) through a fold mirror. The light intensity controller(301) controls electric power for driving a light source according to the intensity of light detected by the light intensity sensor(302).
Patent KR-20020066749-A (KR)
Title: Regenerating method for liquid crystal alignment material
Inventor: LEE HUI GYU
IPC: G02F1/1337
Filed: 2001-02-13
Abstract: PURPOSE: A method for reproducing liquid crystal orientation material is provided to reduce the cost for processing the waste solution of the liquid crystal orientation material by recycling the solvents used in the solidifying via distillation. CONSTITUTION: A method for reproducing liquid crystal orientation material includes the steps of collecting a waste solution of liquid crystal orientation material via a conveying tube from a device attached with an additional waste solution collecting container, diluting the waste solution by adding the waste solution to a solvent not soluble to polyamic acid(PAA) and soluble polyimide(PI) or a mixture solvent composed of an insoluble solution and a soluble solvent, solidifying the PAA and the soluble PI by adding the diluted waste solution into an insoluble organic solvent, filtering the PAA and the soluble PI from the insoluble organic solvent, and washing and drying the separated PAA and the soluble PI to dissolve in a mixture solution of the same composition with an original solution of liquid crystal orientation material.
Patent KR-20020068110-A (KR)
Title: Method and System for Downloading Broadcasting Data onto Wireless Telecommunication Devices Automatically
Inventor: HONG JONG CHEOL
IPC: H04N7/14
Filed: 2001-02-20
Abstract: PURPOSE: A method and a system for automatically downloading broadcasting data to a radio communication device are provided to download image data contained in numerous images transmitted from a broadcasting station in real time. CONSTITUTION: A system for automatically downloading broadcasting data to a radio communication device(70) includes an application server(81), an image acquisition server(83), an edition server(85), and a transmission server(86). The application server receives system information and broadcasting image data extraction and transmission commands from the radio communication device. The image acquisition server is connected to a transmission system(21) of a broadcasting station, encodes broadcasting data transmitted from the broadcasting station into a format suitable for radio Internet, and temporarily stores the data in an image buffer(84). The edition server processes the image data stored in the image buffer with reference to the system information. The transmission server transmits the processed image data to the radio communication device through the radio Internet.
Patent KR-20020069743-A (KR)
Title: Table lifting device for assembling center fuselage of aircraft
Inventor: KIM SI UNG
IPC: B66F7/08
Filed: 2001-02-27
Abstract: PURPOSE: A table lifting apparatus for assembling a fuselage of an aircraft is provided to increase the productivity by improving working efficiency with automatically adjusting the height of the worktable, and to prevent accidents by working safely. CONSTITUTION: A table lifting device for assembling a fuselage of an aircraft is composed of a base plate(10); a bottom plate(20) installed in the upper part of the base plate to supply and recover oil by a hydraulic pump; a cylinder body(30) installed in the middle of the bottom plate; plural hydraulic pistons(41-45) inserted to the cylinder body, and moved up and down by hydraulic pressure; plural hydraulic piston rods(51-55) combined with lower ends of hydraulic pistons; and an upper plate(70) installed in the upper part of the hydraulic piston, and used as a footboard in working. Accidents are prevented with assembling safely, and working efficiency is improved with automatically adjusting the height of the table.
Patent KR-20010044517-A (KR)
Inventor: KIM DEA HAN
IPC: A61J9/02
Filed: 2001-03-02
Abstract: PURPOSE: Provided is a baby bottle with a band type thermometer using a temperature induced paint attached thereto, which lets a feeder recognize the most suitable temperature to feed the baby safely. CONSTITUTION: The baby bottle comprises a main body of the bottle, a circular band type thermometer(40) fitted to a lower part of the neck of bottle and fixed, and a bottle cover turned over and fitted to an upper part of the neck of bottle. The band type thermometer is composed of a plurality of paint parts inducing changes of temperature and the paint parts arranged in order are turned into a blue color when the temperature of the bottle is cold, a yellow color when the temperature is suitable to feed and a red color when the temperature is hot.
Patent KR-20010092323-A (KR)
Title: Carrier-dependent dithering for analog-to-digital conversion
Inventor: KOLSRUD ARILD
IPC: H03M1/12
Filed: 2001-03-14
Abstract: PURPOSE: To provide an analog/digital converter(ADC) that can reduce the conversion spurs (whiskers) related to the nonlinearity of an AD conversion function. CONSTITUTION: One embodiment of this invention indicates that an analog dither signal is fed to an analog input signal before a quantization process. The dither signal used for the integrated circuit of this invention has a variable amplitude controlled by a processor. Then the processor decides the amplitude of the dither signal to be added to the analog input signal by analyzing quantization digital indication of the input signal with the dither signal added thereto. The amplitude of the dither signal depends on a power level of one carrier or more in existence in the analog input signal. Adding the dither signal to the analog input signal can reduce the conversion spurs caused by the nonlinearity of the AD conversion function.
Patent KR-20020068449-A (KR)
Title: A membrane valve with regulation means
Inventor: MOESBY NIELS PETER
IPC: G05D16/06
Filed: 2001-03-16
Abstract: PURPOSE: A thin film valve having a control device is provided to regulate speed to compensate changes of pressure in a circulation system and to prevent pipes or valves from a rupture. CONSTITUTION: A thin film valve(1) keeping differential pressure of fluid flow of a heating or cooling system and systems with heat carrying medium in a constant level is composed of an inlet region(3) and an outlet region(4) connected to a first compartment(5). The first compartment has a first device(7) and a thin film(8). Control flow is set on one side of the thin film. The control flow is set inside a second compartment(6) arranged in one side of the thin film. A passage(9) is supplied between the second compartment and the inlet region. A control device(2) to set the control flow rate of a medium toward and from the second compartment is located in the passage.
Patent KR-20020074869-A (KR)
Inventor: CHOI BONG
IPC: B24B37/24
Filed: 2001-03-22
Abstract: PURPOSE: An apparatus for measuring a polishing pad is provided to determine a process reference value of chemical mechanical polishing(CMP) equipment based upon data measured when the CMP equipment is attached, by precisely realizing characteristics regarding each polishing pad. CONSTITUTION: The polishing pad(12) is placed on a table whose upper surface is flat. A camera takes a picture of the surface of the polishing pad. A sensor measures a profile of the surface of the polishing pad. A sensor fixing unit fixes the camera and the sensor. An XY transfer unit transfers the sensor fixing unit over the polishing pad in XY directions. A measurement control unit is electrically connected to the XY transfer unit, the camera and the sensor, controlling the XY transfer unit to transfer the camera and the sensor over an XY plane. The measurement control unit measures the surface profile of the polishing pad, picks up a surface image and displays each measurement value, a graph and picked-up surface image on a monitor.
Patent KR-20010095022-A (KR)
Title: Model gun in the type of revolver
Inventor: KUNIMOTO KEIICHI
IPC: F41B11/60
Filed: 2001-03-27
Abstract: PURPOSE: A toy gun of a revolver type is provided to have the revolution around a central axial line as well as the swing out of the whole of a tubular movable unit, and to apply a gas pressure on a bullet loaded into the loading chamber approximated and opposed to the rear end of the barrel unit from a pressure storage chamber with a sufficiently large value. CONSTITUTION: A toy gun of a revolver type is provided with revolution control mechanisms(16,38) equipped therein with a pressure storage chamber(30), a plurality of bullet loading chambers(31) and gas passage unit(32) for connecting plural bullet loading chambers as well as the pressure storage chamber to the plural bullet loading chambers respectively to determine selectively the locking condition and the unlocking condition of the barrel unit(1), the tubular movable unit(11) and an opening and closing valve unit(33), a revolution driving unit(41) for revolving the tubular movable unit about a central axial line, and a pivoting supporting unit(35) permitting the tubular movable unit to be permitting the loading of a bullet into the loading chamber.
Patent KR-20010095205-A (KR)
Title: Method for producing a pleatible filtermaterial made of a bonded fabric
Inventor: DANTZ DIRK
IPC: B01D39/16
Filed: 2001-03-31
Abstract: PURPOSE: A method for producing a pleatable filter material from a nonwoven fabric having spacers for pleated folds made of the filter material itself is provided. CONSTITUTION: The method for producing a pleated filter material from a nonwoven fabric having spacers for the pleated folds formed from the filter material itself, a formed fabric made of stretched synthetic fibers and thermoplastic and/or thermally cross-linked binding agent being heated in an oven(2) to a temperature lying at least in the softening temperature range and/or the cross-linking temperature range of the binding agent, and subsequently, the formed fabric being formed between profiled calendar rolls(3) and cooled simultaneously.
Patent KR-20020078625-A (KR)
Title: relaxing impact device of maskflame for cathode ray tube
Inventor: JUNG BONG GWON
IPC: H01J29/02
Filed: 2001-04-06
Abstract: PURPOSE: An impact buffering apparatus is provided to remove an impact energy caused due to the thermal expansion of shadow mask or external impact, by permitting the impact energy to collide against the resist force. CONSTITUTION: A mask frame assembly comprises a panel having an inner surface on which a phosphor screen is formed; a funnel connected to the panel, and which has a deflection yoke arranged at the outer periphery of the funnel; a neck portion having an electron gun for emitting electron beams; a shadow mask(4) having a plurality of electron beam passing holes, and which is arranged within the panel; and a mask frame(10) for supporting the shadow mask. The mask frame has an outer surface formed into a moderately curved shape, thus increasing the repulsive force against an impact, between the mask frame and the shadow mask attached to the inner surface of the mask frame.
Patent KR-20020080121-A (KR)
Title: Apparatus and Method for Programs storage/Replay using Common Interface Module
Inventor: KANG CHANG GU
IPC: H04N5/92
Filed: 2001-04-11
Abstract: PURPOSE: A system and a method for storing/reproducing a program using a CI module are provided to control storage and reproduction of broadcasting programs only using a common interface module without the help of additional hardware or software. CONSTITUTION: A system for storing/reproducing a program using a CI module includes an AV processor for receiving an external broadcasting signal and a command signal to output video and audio signals, a common interface for connecting the command signal of the AV processor and transport stream to an external device, and a CI module for executing a corresponding process according to the command signal and transport stream inputted from the common interface. The CI module includes an input buffer(200) for buffering the transport stream data, a processor(500) for storing or reproducing the transport stream data stored in the input buffer, and an output buffer(300) for converting the transport stream data into a transport stream output form.
Patent KR-20010098642-A (KR)
Inventor: LEE KWEE HAN
IPC: A61H19/00
Filed: 2001-04-16
Abstract: 본 발명은 해면체기관의 단련기구에 관한 것이다. 일측 폐쇄단부(24)측에 연통되게 수동형의 진공펌프(26)가 연결되고 개방단부(28)가 해면체기관(30)의 근부에 배치되는 흡입관(32)으로 구성되는 흡입기(34)와 함께 사용할 수 있도록 탄성을 갖는 천연 라텍스고무로 만들어지고 직경이 해면체기관의 직경에 거의 일치하는 원통형 신축 슬리이브(10)로 구성되는 해면체기관의 단련기구가 제공된다. 본 발명에 따라서, 상기 신축 슬리이브(10)로부터 네크부분(12)과 상기 네크부분(12)의 단부에 링부분(14)이 일체로 형성되고, 상기 신축 원통형 슬리이브(10)의 내부에 상기 원통형 신축 슬리이브(10)의 길이방향으로 연장되는 다수의 보강체(16)가 환상으로 배열되어 매입된다.