baber/WOPTO huggingface dataset:
Patent KR-20000004256-A (KR)
Title: Tape inserting device of a video cassette recorder
Inventor: KIM YONG JAE
IPC: G11B15/60
Filed: 1998-06-30
Abstract: PURPOSE: A tape inserting device of a video cassette recorder is provided to allow a tape to be inserted without excessive forcing. CONSTITUTION: The tape inserting device of a video cassette recorder comprises: a driving wheel(8) to whose outside an elastic lever(7) is connected such that a tape(6) inserted to a tape insertion portion(5) of a cabinet(3) is closely attached to one side, wherein the driving wheel(8) is joined at an upper plane of a rotating shaft(9) fixed to a support frame(8) so as to enable rotatable; a driving gear(11) disposed at a lower side of the rotating shaft(9); a rotating wheel(14) connected to a motor(12) through a driving unit(13); a transfer shaft(15) fixed at the support frame(8) so as to be connected outside the driving gear(11); a connection gear(17) connected to the transfer shaft(15); a control panel(20) having a fix projection(18) and a switch panel(19) which are separately installed so as to be rotated, wherein the control panel(20) is joined at an upper side of the cabinet through a spring(21).
Patent KR-20000004604-A (KR)
Title: Method of forming surface of phosphor in image display device
Inventor: LEE KEUN PIL
IPC: H01J9/227
Filed: 1998-06-30
Abstract: PURPOSE: A method of forming phosphor surface of display device is provided to improve the brightness of image and reliability of phosphor coating. CONSTITUTION: In the method comprising the steps of making sludge including phosphor, coating the sludge on the surface of panel, photo lithographing the sludge layer with ultraviolet light, get rid of the sludge of unexposed region by pure water to make phosphor surface, the method characterized by the fact that the phosphor particle used in the coating has round shape of vertical horizontal axis ratio 0.8-1 and has the average size of 1-8micro meter somewhat bigger than prior art and the size distribution has the shape of gaussian distribution.
Patent KR-20000008109-A (KR)
Title: Chemical recycle device for fabricating semiconductor device
Inventor: KO SE JONG
IPC: H01L21/306
Filed: 1998-07-10
Abstract: PURPOSE: A chemical recycle device is provided to recycle chemicals applied to single bath typed facilities mixing and supplying the chemicals to semiconductor device fabrication facilities. CONSTITUTION: The device comprises a mixture tank receiving and mixing two and more chemicals from each supply tube; a pump coupled to the mixture tank to pump the chemicals; a heater maintaining a predetermined temperature of the chemicals pumped from the pump; a processor receiving the chemicals of the predetermined temperature from the heater to perform fabrication process; and a buffer tank recharging the chemicals used in the processor to supply the recharged chemicals to the pump.
Patent KR-20000008118-A (KR)
Title: Automatic protection switching method of synchronous transmission system
Inventor: PARK WOON SIN
IPC: H04L1/02
Filed: 1998-07-10
Abstract: PURPOSE: An automatic protection switching method of a synchronous transmission system is provided to increase the probability to receive the normally transmitted overhead by separating the overhead switching from the signal switching. CONSTITUTION: The automatic protection switching method of a synchronous transmission system is formed by the steps of: detecting the alarm included in the overhead of each frame by receiving a frame from the working line and the protection line; exchanging the working line and the protection line for receiving the overhead if the alarm of the working line is superior to the alarm of the protection line; and detecting the alarm of each frame by receiving the frame from the working line and the protection line.
Patent KR-20000008853-A (KR)
Title: Method for manufacturing aluminum solid-electrolytic condenser
Inventor: BAE SANG JOON
IPC: H01G9/02
Filed: 1998-07-16
Abstract: PURPOSE: A method for manufacturing an aluminum solid-electrolytic condenser is provided to improve electric characteristic of frequency. CONSTITUTION: At least one of an aluminum cathode film(1), an aluminum anode film(2) and separation film(3) is coated by a conductive polymer solution(6) or a resin mixed solution thereof. The coated film is dried and rolled. The rolled film of aluminum body is impregnated to a conductive polymer solution(6) in a vacuum condition. Thereby, the adhesive force between the aluminum body and the conductive polymer solution(6) is strengthened, so that electric characteristic of frequency can be improved.
Patent KR-20000008939-A (KR)
Title: Jig for duplicating key process and processing method
Inventor: RYU HO JONG
IPC: B25B11/00
Filed: 1998-07-11
Abstract: PURPOSE: A jig for a key process is provided to quickly and simply process the duplication of a key while exactly duplicating the key. CONSTITUTION: The jig for processing is formed with a key inserting hole(4) and an opening unit(5), forming a groove unit(2) and a projection unit(3) in alternation on the left and the right parts of the upper part of the opening unit. Herein, the interval between the groove unit and the projection unit is set up based on the kind of the key. When processing the key, the material(12) of the key is inserted into the opening unit(4), and the duplicated key is manufactured by taking out the material of the key and after-processing the height of the peak after a groove is formed by processing the part of the groove unit with a file(6).
Patent KR-20000009203-A (KR)
Title: 1-amino pyrrolidine substitute and bactericidal agent composition containing it for agriculture and horticulture
Inventor: YEON GYU HWAN
IPC: C07D207/335
Filed: 1998-07-22
Abstract: PURPOSE: 1-Amino pyrrolidine substitute and a bactericidal agent composition for agriculture and horticulture containing it are provided which have a good bactericidal activity and wide range of antibacterial spectrum. CONSTITUTION: 1-Phenylamino pyrrolidine substitute(I) and an acid addition salt thereof having bactericidal activity on a vegetable pathogen are prepared. In a formula, R1 is H or 1-3C alkyl; R2 and R3 are independently H, halogen, 1-3C alkyl, 1-3C alkoxy, and NO2; Q is 1-phenylamino-pyrrolidine-2,5-dione substitute. For an example, 500 ml anhydrous dimethylformamide is mixed with 13.1g of sodium hydride at 0°C and agitated with 50g methyl 2-(4-chlorophenyl)acetate. The reactant is agitated with 42.3g methane iodide, added with 1,000ml ice water, and extracted twice with 200ml dichloromethane. An organic layer is dried with anhydrous sodium sulfate, concentrated and purified using a column chromatography to 50.0g methyl 2-(4-chlorophenyl)propanoate. The product shows good bactericidal activity on Pyricularia, Rhizoctonia solani, Bltrytis cinerea, Phutophthora infestans.
Patent KR-20000013711-A (KR)
Title: Method and device for warning of communication impossible state in telephone using infrared rays
Inventor: TOJAKI KOKICHI
IPC: H04M3/08
Filed: 1998-08-12
Abstract: PURPOSE: Method and device for warning of a communication impossible state in a telephone using infrared rays sense a communication impossible state in a telephone, and warn the user of the warning sound. CONSTITUTION: A telephone using infrared rays informs the user of a communication impossible state, when a receiving part is covered with something and is far away from a predetermined distance. A main body of the telephone generates (111) a test signal every period, and transmits the test signal to the transmitting/receiving part by using infrared rays. When receiving a test signal from the telephone main body, the transmitting/receiving part generates a response test signal, and transmits it to the main body by using infrared rays. After the test signal is generated from the main body of the telephone, the response test signal is received (114) from the transmitting/receiving part. At this time, the warning sound is generated (115).
Patent KR-20000020344-A (KR)
Title: Method for tomography using radioactive ray and apparatus therefor
Inventor: HORIUCHI DETSYA
IPC: A61B6/03
Filed: 1998-09-21
Abstract: PURPOSE: A tomography method and an apparatus used therefor using radioactive ray with a certain extent and thickness are provided, which can produce an integrated tomography image of a multitude of slices having different slice thicknesses, based on projection images of an examinee from the various observational direction, thereby medical inspection efficiency can be significantly improved. CONSTITUTION: A method of radioactive ray tomography comprises the steps of: projecting an object to be examined with radioactive ray having a certain extent and thickness, wherein the projected image is divided in the thickness direction of the radioactive ray; measuring the each projection data from a multitude of observational direction; and forming a tomography image based on the projection data with respect to the divided projection images, respectively, and the whole image of the each divided projection images. The apparatus used in the such tomography includes specifically, measuring means which can measure the projection data in multiple observational direction and tomography means, wherein the measuring means is characterized in including partition means which unevenly divides the projection image in the thickness direction of the radioactive beam in order to obtain a multitude of tomography of slices having various thickness in broad range.
Patent KR-20000024729-A (KR)
Title: Method for transmitting digital signal and apparatus
Inventor: JEONG WON SEOK
IPC: H04J14/00
Filed: 1998-10-01
Abstract: PURPOSE: A method for transmitting a digital signal and apparatus are to generate a level transformation per one frame at least although a level of a signal to be transmitted through an optical cable is constantly maintained. CONSTITUTION: A method for transmitting a digital signal includes five steps. A first step is to generate a signal of a first channel among N channels of a parallel digital signal and a spare channel of the reversed signal. A second step is to include the generated spare channel in channels of the parallel digital signal. A third step is to transform a parallel digital signal of N+1 channels into a direct digital signal. A fourth step is to transform the transformed direct digital signal into an optical signal. A fifth step is to transmit the transformed optical signal through an optical cable.
Patent KR-20000025484-A (KR)
Title: Method for removing harmful air in automatic temperature control device
Inventor: LEE HAK KYUNG
IPC: G01K17/06
Filed: 1998-10-12
Abstract: PURPOSE: A method for removing harmful air in an automatic temperature control device is provided to perform properly a harmful air removal mode by determining a performing time necessary for removing a harmful air. CONSTITUTION: A method for removing harmful air in an automatic temperature control device comprising the steps of: determining whether an ignition switch is turned on, or not(S101); determining whether a harmful air removal mode is inputted, or not if the ignition switch is turned on(S102); detecting temperature of cooling water by a cooling water thermal sensor if the harmful air removal mode is operated(S103); and performing the harmful air removal mode according to the temperature of the detected cooling water(S104-S108).
Patent KR-19990037437-A (KR)
Title: 교반분쇄기
IPC: B02C17/16
Filed: 1998-10-28
Abstract: 본 교반분쇄기(攪拌粉碎機)는 분쇄통(粉碎容器)(3)의 내벽(內壁)(10)과 회전자(回轉子)(42)의 외벽(外壁)(43)으로 경계(境界)를 이루는 환상(環形)의 원통외분쇄실(圓筒外粉碎室)(9') 및 회전자(42)의 내벽(44)과 내부 고정자(固定子)(24)의 외부원료재킷(jacket)(26)으로 경계를 이루는 내분쇄실(內粉碎室)을 포함하고 있다. 분쇄실들(9',9")은 편향실(偏向室)(49)과 연결되어 있다. 외분쇄실(9')은 교반분쇄기소(攪拌機素)(50,51)를 구비하고 있으며 내분새실(9")의 벽은 매끈하고 교반분쇄기 요소들과 유리되어 있다. 외분쇄실(9')의  횡단면은 내분새실(9")의 횡단면보다 훨씬 크다.
Patent KR-20000031550-A (KR)
Title: 3-phase pulse width modulating converter
Inventor: YOU JAN HYUK
IPC: H02M3/335
Filed: 1998-11-07
Abstract: PURPOSE: A 3-phase pulse width modulating converter is developed to simplifying a circuit structure by eliminating both a current transformer and a current controller. CONSTITUTION: A 3-phase width modulating converter includes a plurality of reactors(L11,L12,L13) for supplying 3-phase power and a plurality of switching elements(SW11-SW16) for switching the 3-phase power supplied from the reactors. 3-phase power is detected by a phase detector(12) and a level of the operation power is detected by a voltage detector(13). A phase output voltage controller(14) outputs a phase control signal according to output signal from the voltage detector. According to the phase control signal, a unit power ratio controller(15) outputs a unit power ratio control signal. A pulse width modulator(16) generates a pulse width signal according to the unit power ratio control signal and the phase of the 3-phase power. A switching signal generator(17) applies operation power to a load(11) by switching the switching elements according to the pulse width modulating signal.
Patent KR-20000031626-A (KR)
Title: Method for forming epitaxial diamond thin film on silicon substrate
Inventor: JE JEONG HO
IPC: H01L21/20
Filed: 1998-11-05
Abstract: PURPOSE: A method for forming an epitaxial diamond thin film on a silicon substrate is provided to form the epitaxial diamond thin film having a high orientation on the silicon substrate using a microwave plasma chemical deposition. CONSTITUTION: Method for forming an epitaxial diamond thin film on a silicon substrate includes four steps. A first step is to apply a substrate Si(111) in which a range of a mis cut is 1 degree through 30 degree. A second step is to load the substrate in a reaction bath of a microwave chemical deposition system. A third step is to pour a hydrogen and a methane as reaction gases into the reaction bath. A fourth step is to apply the microwave power into the reaction bath to form a plasma on the upper of the substrate.
Patent KR-20000032661-A (KR)
Title: Method of examining air conditioner
Inventor: YEOM KWAN HO
IPC: F24F11/00
Filed: 1998-11-17
Abstract: PURPOSE: A method of examining an air conditioner is provided to examine the switch state of a four-way valve through the difference of loads before and after running a compressor and to enhance the reliability of a system through the examine of the four-way valve. CONSTITUTION: A control method of an air conditioner includes the steps of measuring an initial pipe temperature of an indoor heat exchanger, switching a four-way valve into one of cooling/heating modes while running a compressor during certain time, producing the difference between the current and initial pipe temperatures, and deciding the switch mode of the four-way valve with difference between cooling/heating reference temperatures per mode.
Patent KR-19990045434-A (KR)
Title: 자기 벡터 퍼텐셜을 사용하는 통신 시스템 및이 통신 시스템에있어서의 발신장치 및 수신장치
IPC: H04B5/00
Filed: 1998-11-20
Abstract: 본 발명은 자기 벡터 퍼텐셜을 신호의 전파매체로 하는 통신 시스템으로서, 권선에 교류전류가 흐르게 함으로써 자기 벡터 퍼텐셜을 발생시키는 발신장치와, 그 자기 벡터 퍼텐셜의 시간적인 변화에 의하여 발생하는 전장을 관측하는 수신장치를 구비한다.    발신 장치측에 있어서 자성체제의 원형 코어에 권취된 권선에, 송신해야 할 신호에 대응하여 변조된 고주파 전류를 흐르게 하여 자기 벡터 퍼텐셜을 발생시키고, 수신 장치측에 있어서, 그 자기 벡터 퍼텐셜의 전파에 의하여 발생하는 전장을 전장센서로 검출하여, 그 검출 전장을 수신신호로 한다.
Patent KR-20000037977-A (KR)
Title: Method for releasing conference call subscriber in personal communication service exchange
Inventor: LEE DEOK HO
IPC: H04W76/06
Filed: 1998-12-03
Abstract: PURPOSE: A method for releasing a conference call subscriber in a personal communication service exchange is provided to release a channel of an arbitrary subscriber as desired during a conference call. CONSTITUTION: In a conference call service method using a home position register between a mobile terminal and a plurality of terminals accommodated in a personal communication service exchange, when a flash with information message including a release code of an arbitrary terminal among a plurality of terminals and a desired number is received from the mobile terminal during a conference call service processing among the plurality of terminals, an arbitrary terminal channel release request message is transmitted to the home position register(200-204). When a response message to the arbitrary terminal channel release request is received from the home position register, the channel for the arbitrary terminal is released(206,207). An acknowledgement sound for the completion of the release of the channel for the arbitrary terminal is transmitted to the mobile terminal(208). When a conference call proceeding request message is received from the mobile terminal, the conference call service proceeds successively(209,210).
Patent KR-20000038151-A (KR)
Title: Automatic response apparatus for video telephone
Inventor: JANG SEONG JOON
IPC: H04M1/64
Filed: 1998-12-04
Abstract: PURPOSE: An automatic response apparatus for video telephone is provided to identify a telephone number called during the absence by storing the telephone number called during the absence automatically using a caller ID provided from a telephone office. CONSTITUTION: A system control unit(105) controls a signal process of a camera digital signal processing unit(103), performs a compression, a decompression and a transmission of a video signal, and performs an automatic response. A communication control and interface unit(107) performs a control of a video communication and a signal input and output according to a control of the system control unit(105). A memory unit(109) stores control information or video information of the system control unit(105) and stores a caller ID, an automatic response video and audio data and a received video and audio data.
Patent KR-20000039901-A (KR)
Title: Method for data coding
Inventor: AHN DO GEON
IPC: H04L9/00
Filed: 1998-12-16
Abstract: PURPOSE: A method for data coding is provided to realize a random number generator by using only a software without a hardware related coding. CONSTITUTION: A method for data coding comprises the following steps. Random numbers are generated and stored. Indexes are given to the random numbers. Input data are coded by using the random numbers. In the data coding method, the coding step the indexes are initialized when the previous coded data corresponds to a synchronization pattern. In the data coding step, the input data are coded by using the random number of the next index number when the previous coded data does not correspond to a synchronization pattern.
Patent KR-20000041086-A (KR)
Title: Method of reducing crops in hot-rolling of rear plate
Inventor: CHEON MYEONG SIK
IPC: B21B3/00
Filed: 1998-12-21
Abstract: PURPOSE: A method of reducing crops in hot-rolling of a rear plate is provided to enhance the real yield rate of products by minimizing crop increase and trimming loss. CONSTITUTION: After finishing broadside rolling, a broadside pass edging rate is decided under the width deviation in a plate. In having a negative crop shape, the current calculated edging rate or applicable rate in a limit condition is decided as longitudinal pass edging rate. In having a positive crop shape, the condition of minimizing the entire crop length is obtained. The current computed value or the transitional edging rate is fixed as the longitudinal pass edging rate.
Patent KR-19990063323-A (KR)
Title: 가스 터빈 엔진의 작동 방법
IPC: F02C9/50
Filed: 1998-12-22
Abstract: 본 발명은 배기 노즐이 완전 개방 위치에 도달할 때까지 엔진의 연료 유동이 감소됨에 따라 배기 노즐 영역을 증가시키는 것에 의해 100% 밀리터리 동력으로부터 30% 밀리터리 동력으로 드로틀 과도현상에 대해 팬 기류를 100%로 유지하는 방법을 제공한다.  연료 유동의 연속적인 감소는 팬 기류의 상응하는 감소를 제공한다.
Patent KR-19990063405-A (KR)
Title: 에어백 모듈을 구비한 스티어링 휠
IPC: B62D1/04
Filed: 1998-12-24
Abstract: 본 발명은 x-y 평면에 놓이게 되는 스티어링 휠을 구비하는 스티어링 휠 유닛에 관한 것이다.  상기 스티어링 휠은 스티어링 휠 몸체(1)를 구비하며, 상기 스티어링 휠 몸체 상에는 두 개 이상의 장착면 영역(2)과, 두 개 이상의 안내 페그(3)와, 림 및 안내면 영역(9)이 마련된 두 개 이상의 상호 록킹 개구(4)가 마련되어 있다.  상기 스티어링 휠 유닛은 x-y 평면에 수직한 z방향으로 상기 스티어링 휠에 설치되는 팽창기 장착부(5)를 구비하는 에어백 모듈(6)을 또한 포함한다.  상기 에어백 모듈은 x-y 평면과 z 방향에 대해서는 이동할 수 없지만, 스티어링 휠로부터 해제될 수 있도록 고정되어 있다.  상기 팽창기 장착부(5)는 리세스(7)와, 탄성 재료로 구성되고 랫칭 돌출부(10)가 마련되어 있는 상호 록킹 탭(8)을 구비한다.  상기 팽창기 장착부(5)는 스티어링 휠 몸체에 대향하게 위치된다.  상기 장착면 영역(2)은 x-y평면에 평행하게 연장한다.  상기 안내 페그(3)는 장착면 영역(2)에서 일정 간격을 두고 떨어져 x-y 평면으로부터 z 방향으로 돌출한다.  상기 상호 록킹 개구(4)는 x-y 평면에 수직하게 연장하며 정지 위치로부터 편향될 수 있다.  상기 안내면 영역(9)은 z 방향에 대하여 경사져 있다.  상기 리세스(7)의 형상은 안내 페그(3)의 형상과 일치한다.  상호 록킹 탭(8)의 형상은 상호 록킹 개구(4)의 형상과 일치하고 에어백 모듈(6)이 설치될 때, 안내면 영역(9)에 의해 z 방향으로 수직하게 상기 정지 위치로부터 탄성적으로 편향된다.  에어백 모듈의 설치가 완료될 때 랫칭 돌출부(10)에 의하여 상호 록킹 개구(4)의 림과 잠기게 되도록 상기 상호 록킹 탭의 정지 위치로 복귀된다.
Patent KR-20000047275-A (KR)
Title: Apparatus for converting orthogonal polarized waves
Inventor: KIM DAE HYUN
IPC: H04B7/185
Filed: 1998-12-31
Abstract: PURPOSE: An apparatus for converting orthogonal polarized waves is provided so as to radiate up link horizontal polarized waves in case of signal transmission and down link vertical polarized waves in case of signal reception. CONSTITUTION: A transmitting/receiving signal with a satellite is radiated or received through a waveguide(14) connected in the rear part of a feeder horn(12). A transmitting part(4) connected with the waveguide(14) generates an output signal. On the end of the waveguide, an orthogonal polarized wave input-output hole(14a) is formed to input and output orthogonal polarized waves. A plurality of heating needles(4a) are formed on the outer circumferential side of the transmitting part(4) to vaporize the heat of high temperature to the external. A receiving part(6) is composed of a band filter(8) and a low noise amplifier(10). The band filter(8) separates an associated band signal from the signals received through an orthogonal polarized wave unit. The low noise amplifier(10) amplifies the down link signal inputted through the band filter(8).
Patent KR-19990029032-A (KR)
Title: 램이 분배되어 있고 증가된 셀 유용성을 갖는필드프로그램가능 게이트 어레이
IPC: H03K19/173
Filed: 1997-05-09
Abstract: 필드 프로그램가능 게이트 어레이는 프로그램가능 논리 셀(11,12)의 매트릭스와, 로컬 및 익스프레스 버스 라인(19,21,23,25)의 버스 네트워크를 포함한다.  버스 네트워크는 매트릭스를 셀 블록(15)으로 효율적으로 분할하며, 각각의 블록은 자신의 개별적인 로컬 버스 라인 세트를 갖는다.  익스프레스 버스 라인은 로컬 버스 라인을 익스프레스 버스 라인에 접속시키는 리피터 스위치 유닛(27)에 의해 셀의 하나 이상의 블록을 지나 연장된다.  블록 사이의 경계(13)에서 로우 및 컬럼으로 정렬된 리피터를 갖는 블록으로 셀을 그룹하는 하는 것은 RAM 블록(83), 다른 메모리 구조체, 특수 논리 구조체 또는 버스 네트워크에 접속된 다른 전용 기능 소자로 채워질 수 있는 블록 코너에 있는 공간에 의해 달성된다.  RAM 블록(83), 다른 메모리 구조체, 특수 논리 구조체 또는 다른 전용 기능 소자는 버스 네트워크에 접속된다.  RAM 블록(도 13)은 버스 라인(86,178,179)을 통해 어드레스 설정된 단일 또는 이중 포트 SRAM(85)이 될 수 있다.
Patent KR-19990029085-A (KR)
Title: 생부착물 감소장치
IPC: B01D61/16
Filed: 1996-07-15
Abstract: 본 발명은, 첨가제 또는 환경적 방출 문제로부터 부식, 화학반응 또는 다른 유해한 반응을 초래하지 않고서, 생물학적 유기체를 갖는 해수와 같은 물을 활용하는 설비에 있어서 생부착물을 감소 및 저지하는 것에 관한 것이다.    이러한 작동 기구는, 예컨대 담수화 설비, 동력 장치, 오일필드 물주입 설비 및 선박 또는 해양 플랫폼 소방수 시스템을 포함한다.    예컨대, 도 1 의 담수화 설비에서, 본 발명의 생부착물 감소 방법 및 장치는 처리 첨가제를 형성하기 위해 적정 시간에 구리이온, 산화제 (즉, 염소 이온 또는 오존) 공급원과, 구리이온 공급원과, 및 비교적 낮은 첨가 레벨의 산화제를 송달하기 위한 첨가실 (25)을 갖는다.    플로우 커넥터 (29) 는 상기 첨가실 (25)을 담수화 설비의 파이프를 따른 여러 지점에 접속시킨다.    소정 조성의 처리 첨가제를 소정 시간 및 소정 농도로 파이프를 따른 지점에 송달하기 위해, 콘트롤러 (31) 는 첨가실 및 순차적인 타겟 첨가 모드로 작동하는 상기 플로우 커넥터 (29)를 따른 밸브 (33) 의 작동을 제어한다.
Patent KR-19990035953-A (KR)
IPC: F16B13/12
Filed: 1996-08-07
Abstract: An anchor for a bolt formed of a single strip of sheet metal includes a pair of opposed shell portions having helically aligned connecting strips. The shell portions extend from a bottom end of the anchor having a threaded sleeve for accepting the bolt. The free ends of the shell portions have tabs extending outwardly for engagement into the plate in which the member is being installed. The anchor is formed by first stamping a strip of metal and then bending the ends of the strip to form a cylindrical shell. Axially aligned tabs on the free ends extend into complimentary recesses to join the two shell halves together.