baber/WOPTO huggingface dataset:
Patent KR-20050008399-A (KR)
Inventor: KIM KYEONG IL
IPC: E04C2/10
Filed: 2003-07-11
Abstract: PURPOSE: A yellow earth bamboo obtained by filling in a bamboo with yellow earth and mud is provided to promote improvement of the time and cost for installation of interior and exterior materials, to effectively improve the heating and cooling and decoration of a deteriorated house or container box through an environment-friendly manufacture method, and to increase an income of a farmhouse producing bamboo. CONSTITUTION: In a yellow earth bamboo obtained by filling in a bamboo with yellow earth and mud, joint parts(2-2,2-b) blocked in a spout of the bamboo boiled in boiling hydrogen peroxide or boiling water are completely removed. Yellow earth or mud, wherein a gluey natural material or marine plants of proper quantity are combined by a bonding agent, is filled in a space(2-3,2-c) of the bamboo and is dried completely. In drying the bamboo, various color materials are used to form the boom in various colors.
Patent KR-20050009439-A (KR)
Inventor: HONG KEUM SUK
IPC: B64C25/00
Filed: 2003-07-16
Abstract: PURPOSE: A safety airplane landing system is provided to minimize damage of passengers and cargos caused in bumping the fuselage against the ground for an emergency landing. CONSTITUTION: A safety airplane landing system is composed of a landing plate(200) on which the fuselage is placed; a plurality of wheels(210) mounted at both sides of the landing plate; and a gliding rail(120) for guiding the wheels on a landing strip(110) in a gliding direction. Wheel shafts(220) extended to both directions are installed under the landing plate. The wheels are combined and arranged at both ends of the wheel shaft. A depressed unit of which a middle portion is subsided obliquely is formed on the landing plate and inclined downward from the front side to the rear side.
Patent KR-20050010421-A (KR)
Inventor: CHO KOOK HEE
IPC: H01H33/00
Filed: 2003-07-21
Abstract: PURPOSE: An arc dispersion type inverse pinch switch for pulsed power devices is provided to improve an operational reliability by suppressing interference from surroundings, without using a spark gap switch. CONSTITUTION: An arc dispersion type inverse pinch switch for pulsed power devices includes an anode electrode(210), a cylindrical cathode electrode(220), an ignition electrode(230), an anode electrode support member(240), a cathode electrode support member(250), and an insulating outer case(260). The anode electrode has a cylindrical shape, which has a closed side made of three layers, and receives a high voltage big current. The cylindrical cathode electrode encloses the anode electrode completely and is coupled with ground. The ignition electrode initiates a discharge between the anode and cathode electrodes by applying trigger pulse. The anode electrode support member supports and fixes the anode electrode. The insulating outer case is implemented between the support members and insulates the anode and cathode electrodes from outside.
Patent KR-20050012471-A (KR)
Inventor: LEE KWANG SUB
IPC: E21B19/02
Filed: 2003-07-25
Abstract: PURPOSE: A drill rod pulling device for a boring machine for developing underground water is provided to reduce working hours for replacing the drill bit by drawing two drill rods out of bores at a time, and to transport and store the boring machine easily by decreasing the length of the main tower in not pulling. CONSTITUTION: A drill rod pulling device of a boring machine is composed of an assembling hole communicated with a bore of a main lifting pipe in a main lifting plate, an auxiliary lifting pipe movably inserted and combined with the bore of the main lifting pipe through the assembling hole, an auxiliary cylinder(6) fixed and installed to the main lifting pipe to protrude a piston rod out, an auxiliary lifting plate(72) mounted to the end of the auxiliary lifting pipe and the piston rod of the auxiliary cylinder to move the auxiliary lifting pipe into or out of the main lifting pipe in moving the piston rod of the auxiliary cylinder in and out.
Patent KR-20050012641-A (KR)
Inventor: CHO SUNG YOON
IPC: H01L21/3065
Filed: 2003-07-26
Abstract: PURPOSE: A method for planarizing a silicon monitoring wafer is provided to reduce the surface roughness of the silicon wafer by NC-LDE(Numerically Controlled Local Dry Etching) using downstream plasma. CONSTITUTION: Patterned layers on a silicon wafer(21) having a flatness surface(23a) and a roughness surface(23b) are removed by wet-etching. The silicon wafer is planarized by dry-etching using downstream plasma of SF6/H2 and by numerically controlled local dry etching.
Patent KR-20050014129-A (KR)
Inventor: CHOI YOUNG IL
IPC: H04L12/66
Filed: 2003-07-30
Abstract: PURPOSE: An SIP(Session Initialization Protocol) server and a message processing method thereof are provided to operate the SIP server as a redirect server if a risk of system overload may occur while the SIP server is operated as a proxy server if system efficiency is low, thereby preventing system overload while suppressing a call processing delay. CONSTITUTION: A message receiver(200) receives an SIP message including a receiver identifier from an originator. A mode setting unit(210) sets the first mode which carries out a proxy server function based on a kind of the received SIP message and a system efficiency, and sets the second mode which executes a redirect server function. A proxy server unit(220) perceives a receiver position based on the receiver identifier in the first mode, and transmits the SIP message to the perceived receiver position. A redirect server unit(230) perceives the receiver position based on the receiver identifier in the second mode, and sends the perceived position information to the originator.
Patent KR-20050015749-A (KR)
Inventor: KIM HYUNG JIN
IPC: B60J5/04
Filed: 2003-08-07
Abstract: PURPOSE: An air-inflow prevention device for a swing-in door of a super-low floor bus is provided to improve durability and sealability by inflating a variable unit of air-inflow prevention rubber with the air and accordingly cutting completely a gap formed at the lower end of the door. CONSTITUTION: In a bus comprising an inclined floor, a swing-in door hinge-combined at the lateral side of the bus to open and close with pneumatic pressure, and an air-inflow prevention brush, an air-inflow prevention device for the swing-in door is composed of an air-inflow prevention rubber(10) having a variable unit disposed in the lower end of two swing-in doors that are connected by a hinge, and expanded or shrunken due to pneumatic pressure and a support rubber unit surface-contacted to the floor; an air tank and a compressor(20) embedded in the side of the bus; a connection pipe(30) for linking the air tank with the variable unit of the air-inflow prevention rubber; and a solenoid valve(40) for controlling the air in the connection pipe. When a door switch(50) that is combined organically to open and close the swing-in doors is turned on, a control unit(60) discharges the air of the air-inflow prevention rubber through an exhaust pipe(31) by opening a discharge port disposed at the solenoid valve, reduces the volume, and opens the swing-in door. When the door switch is turned off, the control unit closes the swing-in door and fills and expands the volume of the variable unit with the air by opening the solenoid valve.
Patent KR-20050017874-A (KR)
Inventor: BAE SANG CHUL
IPC: H04N5/46
Filed: 2003-08-11
Abstract: PURPOSE: A digital TV and a channel setup method therefor are provided to reduce a channel setup time by skipping an analog broadcasting channel which exists in the same frequency when searching a digital broadcasting channel. CONSTITUTION: A key input unit(300) inputs an automatic channel search command and various user request commands. If the automatic channel search command is inputted through the key input unit, a control unit(400) searches an analog channel through an analog tuner(101), determines a digital channel search method according as the number of the searched analog channels is greater than a uniform number, and controls a digital tuner(201) to search a digital channel through the digital tuner according to the determined digital search method. A memory(500) stores the analog channels and the digital channels.
Patent KR-20050018283-A (KR)
Inventor: LEE JUNG HWA
IPC: B41J2/05
Filed: 2003-08-16
Abstract: PURPOSE: A method for driving an ink jet printer head is provided to reduce a damage of a heater derived from bubbles and to expand life span of the ink jet printer head by improving a driving signal. CONSTITUTION: A method for driving an ink jet printer head includes a step of generating and expanding bubbles by heating ink stored in an ink chamber by periodically applying a driving signal(110) to a heater. Ink is exhausted from the ink chamber by an expanding power of the bubbles. The driving signal includes a first signal(110a) used for exhausting the ink and a second signal(110b) used for adjusting a movement of the bubbles. A voltage of the second signal(110b) is gradually reduced from a rear end of the first signal(110a) as time goes by. A voltage of the second signal(110b) is linearly or non-linearly reduced as time goes by.
Patent KR-20040018998-A (KR)
Inventor: NOMURA HIROSHI
IPC: G02B7/02
Filed: 2003-08-27
Abstract: PURPOSE: A rotating-extending mechanism for lens barrel and a rotating-extending mechanism are provided to eliminate backlash between a follower projection and its guide part in the rotation transfer mechanism for a lens barrel or the like. CONSTITUTION: Each of the helicoid ring and the third external barrel(15) is coupled to the first linear guide ring(14) to make respective relative rotations between the third external barrel(15) and the first linear guide ring(14) and between the helicoid ring and the first linear guide ring(14) possible due to the engagement of the first plurality of relative rotation guide projections(14b) with the circumferential groove, the engagement of the second plurality of relative rotation guide projections(14c) with the circumferential groove and the engagement of the plurality of relative rotation guide projections(15d) with the circumferential groove(14d). The second plurality of relative rotation guide projections(14c) and the circumferential groove(15e) are engaged with each other to be slightly movable relative to each other in the optical axis direction, the plurality of relative rotation guide projections(15d) and the circumferential groove(14d) are engaged with each other to be slightly movable relative to each other in the optical axis direction, and the first plurality of relative rotation guide projections(14b) and the circumferential groove are engaged with each other to be slightly movable relative to each other in the optical axis direction.
Patent KR-20040022174-A (KR)
Title: Manufacturing method of organic electroluminescent display device
Inventor: YONEDA KIYOSHI
IPC: C23C14/04
Filed: 2003-09-04
Abstract: PURPOSE: A manufacturing method of organic electroluminescent display device is provided to form uniformly thickness of an organic electroluminescent material layer by improving directional characteristics of deposition beams. CONSTITUTION: A vapor-depositing mask is disposed adjacent a surface of a substrate disposed in a vacuum chamber. Vapor-depositing beams containing an organic EL material are generated by a vapor-depositing beam generator(50). The vapor-depositing beams pass through openings in the vapor-depositing mask. The organic EL material is vapor-deposited in a predetermined region on the surface of the substrate. The vapor-depositing beams are guided through a plurality of vapor-depositing beam passing pipes(52) provided in the vapor-depositing beam generator. Alternatively, the vapor-depositing beams generated by the vapor-depositing beam generator are guided through a vapor-depositing beam direction adjusting board having a plurality of vapor-depositing beam passing holes.
Patent KR-20050026108-A (KR)
Title: Air conditioner using radiation panel
Inventor: JANG DONG YEON
IPC: F24F5/00
Filed: 2003-09-09
Abstract: An air conditioner with radiation panels is provided to make radiation panels rotate by a rotation guide part according to movement of subjects, thereby improving the heat exchange efficiency for the subjects. An air conditioner with radiation panels includes a radiation heat exchange unit(140). The radiation heat exchange unit includes an evaporator(141) connected to an expansion valve(131) and a condenser(110) for cooling a contacting panel, and a plurality of the radiation panels(142) to be cooled by the evaporator and formed with curved front surface(142a) for heat exchange with human being. A rotation guide part(143) is provided between the evaporator and the radiation panels to rotate the radiation panels according to a heat exchange subject.
Patent KR-20050028511-A (KR)
Title: Method of forming gate electrode
Inventor: CHOI SI YOUNG
IPC: H01L21/336
Filed: 2003-09-18
Abstract: A method for forming a gate electrode is provided to prevent the reliability of a semiconductor device from being deteriorated by avoiding excessive protrusion of a metal silicide oxide layer. A gate insulation layer(102), a polysilicon layer(104), a metal silicide layer(106), a metal nitride layer(108) and a pure metal layer(110) are sequentially formed on a semiconductor substrate(100). The pure metal layer, the metal nitride layer, the metal silicide layer and the polysilicon layer are sequentially patterned to form a gate electrode composed of a polysilicon layer pattern, a metal silicide layer pattern, a metal nitride layer pattern and a pure metal layer pattern. A gate re-oxide process is performed wherein the edge of the metal silicide layer pattern is oxidized to form a metal silicide oxide layer and the end part of the metal silicide oxide layer is aligned with the side end of the gate electrode.
Patent KR-20050030666-A (KR)
Title: Device for controlling revolution of ejector in ice-maker
Inventor: CHUNG EUI YEOP
IPC: F25C5/18
Filed: 2003-09-25
Abstract: A device for controlling revolution of an ejector in an ice-maker is provided to easily control normal and reverse rotation of a motor driving an ejector for an automatic ice-maker having an overflow preventing structure and to improve ice-making speed by reducing unnecessary working hours of a heater. A driving gear(210) is installed in a control box and is rotated by a driving motor. A following gear(220) is rotated by being engaged with the driving gear. A control board(230) is installed at one side of the following gear. A position detector detects a rotational position of the following gear. The position detector includes a magnet(221) installed at one side of the following gear and an initial position detecting sensor(231) and an ice-separation completion detecting sensor(233) separately installed on the control board for sensing magnetic flux of the magnet.
Patent KR-20040030360-A (KR)
Inventor: LIM G REWO
IPC: A61K33/06
Filed: 2003-10-01
Abstract: PURPOSE: Provided is a composition containing deep water and its concentrated powder, which involves excellent treatment effect on the liver toxicity, and is effectively used in preventing and treating liver diseases. CONSTITUTION: A pharmaceutical composition for preventing and treating liver disease contains 0.1-80wt.% of demineralized or non-demineralized deep water or concentrated power thereof. The deep water is taken from the 700-1000m underground of the west coast area of Korea, including the Kyeonggi-do region. The pharmaceutical composition much has inorganic contents selected from sodium, calcium, magnesium, potassium, selenium and zinc, and metallic ions selected from iron, manganese and strontium. The daily dosage of the pharmaceutical composition is 0.01-10g per 1kg.
Patent KR-20050034117-A (KR)
Inventor: CHOI EUN YOUNG
IPC: H04L27/26
Filed: 2003-10-08
Abstract: 본 발명은 무선 랜 시스템에서 잔류 주파수 오프셋(offset)을 보상하는 장치 및 그 방법에 관한 것이다. 
     본 발명에서는, 잔류 주파수 오프셋을 보상하기에 앞서 무선 랜 시스템의 송신단으로부터 수신하는 제1 OFDM 심볼에 대해 채널 보상을 먼저 수행한 후, 채널 보상이 이루어진 제1 OFDM 심볼의 위상 오차 추정값에 따라 샘플링 주파수 오프셋을 계산한다. 이때, 본 발명은 바이어스 주파수 오프셋도 함께 계산하여 이후에 들어오는 제2 OFDM 심볼의 샘플링 주파수 오프셋 보상시 바이어스 주파수 오프셋도 함께 보상될 수 있도록 한다. 이는 곧, 잔류 주파수 오프셋을 점차적으로 줄여나가 무선 랜 시스템의 성능을 개선할 수 있도록 할 뿐만 아니라, 채널 보상을 먼저 수행한 후 잔류 주파수 오프셋 보상을 추후에 수행함으로써, 안정적인 시스템 구현을 할 수 있다.
Patent KR-20050037830-A (KR)
Inventor: KIM TAE GON
IPC: A61Q19/10
Filed: 2003-10-20
Abstract: 본 발명은 천연 추출물인 자몽, 마치현, 어성초 추출물과 나노실버 및 천연 에센셀 오일로 이루어진 항균성을 갖는 손 세정제를 제공하기 위한 것이다.   
     본 발명에 따른 손 세정제는 황색포도상구균, 피부 상재균, 피부 사상균 등의 세균 및 진균에 대해 우수한 항균 활성을 나타내며, 아로마 방향제, 허브겔의 제형을 제조하는데도 적합하다.
Patent KR-20040036583-A (KR)
Inventor: KUROKAWA SHUJI
IPC: B23Q17/24
Filed: 2003-10-22
Abstract: PURPOSE: An alignment apparatus is provided to prevent the damage of a work due to a trail-down or flip-flaps and to simplify the structure of a sensor by using a receiving member. CONSTITUTION: An alignment apparatus(10) includes a table, a moving part, and a sensor. The table(11) is installed to be capable of rotating. The table includes a loading surface(12A) with suction holes(12a). The moving part(30) is used for moving the table. The sensor(50) is installed adjacent to a periphery of a work(W). The width of the loading surface is smaller than that of the work. A receiving member(15) is installed around the table parallel with the loading surface, thereby loading completely and stably the work.
Patent KR-20050038449-A (KR)
Inventor: JUNG YEON SU
IPC: B60J7/043
Filed: 2003-10-22
Abstract: 본 발명은, 자동차의 루프판넬에 형성된 개구를 개폐하는 선루프와, 개구 전방에 위치하여 선루프 개방시에는 경사진 상태로 상부로 돌출하며 선루프 폐쇄시에는 선루프 하부로 수납되는 디플렉터를 포함하여 실내를 환기시키는 선루프 장치에 관한 것으로, 상기 개구 전방면과 상기 디플렉터 사이에 형성된 틈새를 차단하는 차단수단을 더 포함하며, 상기 차단수단은 일측이 상기 개구 전방의 하부에 회전가능하게 장착되며 타측은 상기 디플렉터의 하부면에 밀착되는 차단 부재와, 상기 차단부재의 하부면에서 위치하여 탄성력에 의해서 상기 차단부재를 지지하는 탄성부재를 포함하여, 선루프가 개방되었을 경우 선루프의 개방동작과 연동되는 차단부재에 의해서 상기 개구 전방면과 디플렉터 사이에 형성된 틈새를 밀폐시켜 상기 틈새사이로 유입되는 공기를 차단함으로써 유입되는 공기에 의해서 발생하는 소음을 방지한다.
Patent KR-20030091081-A (KR)
Inventor: CHOI HUN HONG
IPC: A23F3/30
Filed: 2003-10-31
Abstract: PURPOSE: Provided are a tea product including black soy beans and a manufacturing method thereof, thereby reducing a bitter taste, increasing a savory taste, and allowing the tea product to contain pharmacological effects of anthocyanin, genistin and glycitein and the like contained in the black soy bean. CONSTITUTION: A manufacturing method of a tea product including black soy beans is characterized by 5-100 wt.% of black soy beans components prepared by heating and pulverizing the black soy beans into a particle size of 0.2-3.5mm.
Patent KR-20030094159-A (KR)
Inventor: JANG SUNG KYU
IPC: E03B11/02
Filed: 2003-11-08
Abstract: PURPOSE: A circulatory storage tank is provided to prevent the decomposition of stationary water and the inflow of impurities to water. CONSTITUTION: The circulatory storage tank(100) contains: a water pipe(3) operated by a water-level valve(2) and installed on the upper part of a tank body(1); a feed pipe(4) installed downward; a dust collecting hopper(7) connected with a discharge pipe(6) operated by a valve(5) and installed on the lower part of the feed pipe(4); and a circulator(12) composed of a discharge pipe(8) installed to make an outlet face the circumferential direction of the tank body(1), a suction pipe(9) installed in the opposite direction to the discharge pipe(8), and a circulating pump(11) installed on one side of a connecting pipe(10) which connects the discharge pipe(8) and the suction pipe(9).
Patent KR-20050045541-A (KR)
Inventor: OH DONG SUK
IPC: H02M1/08
Filed: 2003-11-12
Abstract: 본 발명은 전기를 사용하는 제품의 전원관리를 효율적으로 하기 위한 장치 및 방법에 관한 것이다.  이를 위하여 본 발명은 전원 온/오프스위치, 터치센서, 직류전원출력부, 전원공급모드 선택부, 마이크로프로세서, 디바이스부로 구성되며, 사용자가 전원공급의 개시를 온/오프스위치에 의할 것이지 터치센서에 의할 것인지를 선택하는 단계; 사용자가 일반모드, 절전모드, 오프모드 또는 절전모드와 오프모드를 모두 선택하여 사용모드를 선택하는 단계; 사용자가 절전모드, 오프모드중 하나 또는 절전모드와 오프모드를 모두 선택한 경우에 각 모드에 진입하는 시간을 설정하는 단계; 사용자의 조작여부를 검출하는 단계; 사용자의 조작시간과 현재시간을 비교하여 설정시간을 경과하였는지를 체크하는 단계; 설정시간을 초과하였으면 지정된 모드로 진입하는 단계에 의하여 달성된다.
Patent KR-20040062391-A (KR)
Inventor: AGAWA HISAO
IPC: H04H20/00
Filed: 2003-11-14
Abstract: PURPOSE: A regenerative relay repeating device and a communication system using the same are provided to compensate for a delay time difference according to internal data processing mutually between plural repeater stations. CONSTITUTION: A delay correction circuit(15) is connected between a receiving/demodulating unit(5) and a multiplexer(6). In setting a delay time corrected by the delay correction circuit(15), the time required for processing internal is measured until a digital modulation wave inputted to the receiving/demodulating unit(5) is converted into a broadcast wave of the digital modulation wave, and the broadcast signal is outputted to a transmitting/modulating unit(7). The measured time is compared with a measured value of time required for processing internal data of a different repeater station(3). And then, the time difference required for data processing is set as a suitable value which comes within a certain allowable range in which a receiver(4) can process received data in a stable state.
Patent KR-20050047230-A (KR)
Inventor: CHOI SEONG HAK
IPC: C02F1/44
Filed: 2003-11-17
Abstract: 본 발명은 침지형 중공사막 모듈에 관한 것으로서, [ⅰ] 중공사막을 통해 여과된 여과수가 집수되는 여과수 집수부(3)와 여과수 출구(7)를 갖는 두개의 모듈헤더(2,2`), [ⅱ] 양말단부가 상기 모듈헤더(2,2`) 상단부에 수직방향으로 연결되고 공기주입구(12)를 갖는 상부 지지관(9), 양말단부가 상기 모듈헤더(2,2`) 하단부에 수직방향으로 연결되고 공기주입구(12)와 산기구멍(13)을 갖는 하부 지지관(9`) 및 상기 지지관(9,9`)들과 수직으로 연결되어 중공사막 다발 속에 위치하며 산기구멍(13)을 갖는 두개의 산기관(11,11`)으로 이루어져 상기 두개의 모듈헤더(2,2`)들을 일정거리를 유지한 상태로 고정시키는 산기부(8) 및 [ⅲ] 양말단부가 상기 모듈헤더(2,2`)내부에 집수공간이 형성되도록 모듈헤더 내부에 접착제(6)로 고정되고, 중공사막의 중공부 말단(5)이 여과수 배출면(4)과 평행하도록 위치하면서 열려있는 중공사막(1) 다발을 포함하는 것을 특징으로 한다.
Patent KR-20050011648-A (KR)
Inventor: KIM JONG SU
IPC: A43B23/00
Filed: 2003-11-18
Abstract: PURPOSE: An adhesion mechanism of a detachable golf ball marker is provided to enable a location of a golf ball to be easily marked on the putting green by a simple physical activity when bending over to pick up the ball from the ground for subsequent release without obstructing other golfer's ball in the traveling path. CONSTITUTION: The adhesion mechanism(2) of a detachable golf ball marker(4) made of a magnetic material comprises: a magnet(5) having a protrusion(9) and pulling the ball marker(4) using a magnetic force; a ball marker fixing tool(3) for fixing the magnet(5) on an outer cover(6) of a golf shoe; and a fixing device(7) made of a thermally deformable metal band and formed on the reverse side of the magnet(5).
Patent KR-20050047982-A (KR)
Inventor: KIM HYEON JIN
IPC: F16D13/58
Filed: 2003-11-18
Abstract: 본 발명은 자동 변속기의 클러치 장치에 관한 것으로, 입력축과 동축상으로 나란하게 배치되는 복수의 클러치에서 상호 구성부품의 공유를 통해 변속기의 케이스 내부에서 부품이 점유하는 공간을 최대한 축소시킴과 더불어, 그에 따른 변속기의 전체 길이 축소 및 조립성의 개선을 도모할 수 있도록 하는 데 그 목적이 있다. 
     전술한 목적을 달성하기 위해 본 발명은, 변속기의 입력축과 동축상으로 결합되는 내/외측 리테이너와; 상기 내/외측 리테이너의 내주면에 각각 축방향으로 이동이 가능하게 설치되는 다수개의 플레이트; 상기 플레이트 사이에 교번적으로 끼워져 축방향으로 이동이 가능하게 설치되는 다수개의 디스크를 각각 갖춘 복수의 허브; 상기 내측 리테이너의 내부에서 배면에 압력실을 형성하고서 설치되는 피스톤 및; 상기 내측 리테이너의 내측 선단부에서 축방향으로의 이동이 구속되어 설치되는 리액션 플레이트를 포함하여 구성된다.
Patent KR-20050048312-A (KR)
Inventor: JEON DO HAK
IPC: B21D53/24
Filed: 2003-11-19
Abstract: 본 발명은 플라스틱 등의 연질제품을 보울팅하는 과정에서 이용되는 부싱에 관한 것으로, 금속환봉(10)을 원하는 길이로 절단하고 압축하여 그 하부면에 라운딩면(11)을 성형하는 제1단계와; 제1단계에서 성형된 금속환봉(10)을 압축하여 그 상부면에 상부오목홈(12)을 성형하는 제2단계; 제2단계에서 성형된 금속환봉(10)을 압축하여 그 하부면에 스커트부(13a)를 갖는 하부오목홈(13)을 성형하는 제3단계; 제3단계에서 성형된 금속환봉(10)을 180도 회전시킨 상태에서 상/하부오목홈(12. 13)의 경계면에 위치하는 수평경계벽(14)을 배출시키는 제4단계; 제4단계에서 성형된 원통체 (20)의 상/하단부를 각각 면취하는 제5단계 및; 제5단계에서 면취된 원통체(20)의 내경과 외경을 각각 다듬질하여 부싱(30)으로 제조하는 제6단계로 이루어져, 보울트체결용 부싱의 성형과정에서 피어싱압력이 금속환봉의 외표면과 면취부에 가해지므로, 금속환봉의 단면부에 가해지는 압력이 최소화되어 변형 및 버의 감소에 따른 불량율이 최소화될 뿐만 아니라 부싱의 두께가 최소화되어 성형에 따른 응용범위가 확대되게 한 것이다.