baber/WOPTO huggingface dataset:
Patent KR-20140005240-A (KR)
Inventor: NAKAMURA YUZURU
IPC: B01J38/00
Filed: 2012-01-13
Abstract: PGM의 회수 방법의 산화용련에 대해 Cu 2 O 슬래그에의 PGM의 분배를 억제하는 방법을 제공한다. 
PGM을 함유하는 피처리 부재와 Cu 및/또는 Cu 2 O 및 환원성의 플럭스를 환원용련하여, 용해 슬래그와 PGM을 함유하는 Cu 합금을 생성시키는 환원용련공정과, 상기 PGM을 함유하는 Cu 합금을 산화 용해하여 PGM을 함유하는 Cu 2 O 슬래그와, 상기 PGM을 함유하는 Cu 합금보다 PGM 농도가 농축된 Cu 합금을 생성시키는 산화용련공정을 갖는 PGM의 회수 방법에 있어서, 상기 산화용련공정에서, 산성 산화물 또는 알칼리성 산화물을 첨가하는 PGM의 회수 방법을 제공한다.
Patent KR-20130124968-A (KR)
Inventor: SUN QINGFENG
IPC: C08G18/63
Filed: 2012-03-19
Abstract: 본 발명은 폴리우레탄 폼 타이어에 사용하는 인테그랄 미공질 엘라스토머 조성물에 관한 것이다. 상기 조성물는 A성분과 B성분으로 구성되고, 상기 A성분은 폴리에스테르 폴리올, 폴리머 폴리올, 가교제 혹은/및 사슬 연장제, 거품 안정제, 촉매제 및 발포제를 함유하고; 상기 B성분은 알코올 개질의 이소시아네이트이고, -NCO의 질량 함량이 18.0 내지 20.0%이고; 및 상기 A성분과 상기 B성분의 혼합질량비는 100:70 내지 100이다. 상기 복합재료로 제조한 미공질 엘라스토머 재료는 우수한 역학적 특성을 가지고 있으므로, 일반적으로 통용되는 종래의 폴리에스테르 타입 신발밑창 원액을 이용하여 제조하는 폴리우레탄 미공질 엘라스토머 타이어를 대체할 수 있다.
Patent KR-20140006028-A (KR)
Inventor: MIYASHITA TAKAYUKI
IPC: C08L81/04
Filed: 2012-02-29
Abstract: 결정성 열가소성 수지로 구성되는 수지 성형품에 대하여, 미리 열처리를 하지 않아도 사용 환경하에서의 치수 변화를 충분히 억제할 수 있는 기술을 제공한다. 
금형 내표면에 단열층이 형성된 금형을 이용하여 결정성 열가소성 수지로 구성되는 수지 조성물을 사출 성형한다. 본 발명에서는, 용사법으로 형성된 다공질 지르코니아로 구성되고, 열전도율이 2W/m·K이하이며, 두께가 200㎛ 이상인 단열층이 형성된 금형을 사용하는 것이 바람직하다. 본 발명의 제조방법으로 얻은 사출 성형품은, 사출 성형시의 금형 온도가 결정성 열가소성 수지의 유리전이온도(Tg)+30℃ 이상, Tg+80℃ 이하이고, 사출 성형시의 금형 온도+20℃의 환경에서 2시간 방치했을 때의 성형품의 치수 변화율이 0.2% 이하이다.
Patent KR-20130143128-A (KR)
Inventor: JIANG JING
IPC: H04B7/26
Filed: 2012-03-30
Abstract: 본 발명은 무선 프레임 송신 방법을 개시하는바 수신 측에 채널 측정 프레임 NDP를 송신하되 상기 채널 측정 프레임 NPD에는 적어도 두 개의 VHT 롱 트레이닝 필드(VHT-LTF)가 포함되며 상기 VHT 롱 트레이닝 필드(VHT-LTF)의 최대 수량은 적어도 하나의 수신 측에 의해 지원 가능한 VHT 롱 트레이닝 필드(VHT-LTF)의 수량에 따라 확정된다. 동시에 본 발명은 또한 무선 프레임 송신 장치를 개시한다. 본 발명에 의한 방안을 통해 채널 측정 프레임 내의 VHT-LTF의 수량을 보다 합리하고 수신 측의 특성을 보다 잘 반영하도록 한다.
Patent KR-20140027350-A (KR)
Inventor: MEIJER ARJAN
IPC: H01L21/027
Filed: 2012-03-28
Abstract: 본 발명은 Ag 나노 튜브들을 포함할 수도 있는 가요성 폴리머 매트릭스들의 고해상도 선택적 에칭 및 패터닝 방법에 관한 것이다.
Patent KR-20140013075-A (KR)
Inventor: KIM NAM SOO
IPC: H03F3/45
Filed: 2012-05-09
Abstract: 전류 필터링 전류 버퍼 증폭기의 일 예는: 입력 전류에 커플링되어 입력 전류를 수신하도록 구성된 제 1 포트 및 제 2 입력 포트; 부하에 커플링되어 전류를 부하에 제공하도록 구성된 제 1 출력 포트 및 제 2 출력 포트; 수신된 입력 전류를 제 1 출력 포트 및 제 2 출력 포트에 출력 전류로서 전달하도록 구성된 버퍼로서, 그 버퍼는 입력 임피던스와 출력 임피던스를 가지고 출력 임피던스는 입력 임피던스보다 높으며, 그 버퍼는 제 1 증폭기와 제 2 증폭기를 포함하고 제 1 증폭기는 공통 모드 피드백 증폭기인, 버퍼; 및 제 1 입력 포트 및 제 2 입력 포트에 커플링되고 제 1 증폭기 및 제 2 증폭기에 커플링된 필터를 포함하며, 그 필터는 복소 임피던스를 가지고 수신된 입력 전류를 노치 필터링하도록 구성된다.
Patent KR-20140040158-A (KR)
Inventor: CAMAROTA RAFAEL C
IPC: H03K19/177
Filed: 2012-02-08
Abstract: 멀티다이 디바이스(400)의 제1 다이(402)와 제2 다이(404)를 상호접속하는 장치는 멀디다이 디바이스의 제1 다이와 인터페이스 접속하는 마스터 회로 블록(406)과, 멀디다이 디바이스의 제2 다이와 인터페이스 접속하는 슬레이브 회로 블록(408)과, 슬레이브 회로 블록의 제1 메모리(416a-416e)와, 마스터 회로 블록의 제2 메모리(430a-430e)와, 제1 다이와 제2 다이 사이의 복수의 μ범프(1-6)를 포함한다. 마스터 회로 블록과 슬레이브 회로 블록은 μ범프 중의 하나(3)를 결함 μ범프로서 식별하고, 식별된 결함 μ범프와 대응하는 제1 값을 제1 메모리에 저장하도록 구성된다.
Patent KR-20140035438-A (KR)
Inventor: IOURCHA KONSTANTINE
IPC: G06T9/00
Filed: 2012-06-14
Abstract: 그래픽 처리 유닛(GPU) 내 텍스처를 압축 해제하거나 생성하는 처리 유닛, 방법 및 매체. 상기 텍스처는 JPEG과 같은 가변 율 압축 방식으로 압축된다. 상기 압축된 텍스처는 시스템 메모리로부터 검색되고 제일 먼저 압축 해제됨이 없이 상기 GPU에 있는 국부 캐시 메모리로 전달된다. 테이블은 상기 압축된 텍스처 내 개별 블록을 찾기 위해 상기 캐시에 의해 사용된다. 압축 해제 셰이더 프로세서는 압축된 블록을 수신하고 이후 진행 중에 상기 블록의 압축 해제를 수행한다. 상기 압축 해제된 블록은 이후 상기 GPU의 텍스처 소비 셰이더 프로세서에 의해 통상적으로 처리된다.
Patent KR-20150081673-A (KR)
Inventor: HAN TAE HEE
IPC: A63B23/12
Filed: 2014-01-06
Abstract: The present invention relates to a machine enabling a user to take a motion such as dead lift and bent over low by connecting a weight plate adding and reducing weight and a motion bar operated by pulling a cable with the cable. The cable machine such as dead lift enables a user to exercise by vertically or horizontally moving the cable and selected weight plates by gripping and moving the motion bar in a base posture such as dead lift or bent over low.
Patent KR-20150083520-A (KR)
Title: Waste heat recovering apparatus of ship
Inventor: SUNG CHANG KYUNG
IPC: B63J3/02
Filed: 2014-01-10
Abstract: The present invention comprises: a waste heat supply unit transmitting a high temperature of waste heat generated from a main boiler of a ship to the outside through heat exchange; a waste heat accommodating unit receiving the high temperature of waste heat from the waste heat supply unit; and a heat exchange unit connected to the waste heat accommodating unit to receive the high temperature of waste heat and lowering a temperature of the high temperature of waste heat through heat exchange with waste heat generated in an engine of the ship.
Patent KR-20150085948-A (KR)
Inventor: YOON KEUN SU
IPC: B23K9/29
Filed: 2014-01-17
Abstract: The purpose of the present invention is to provide an improved torch connector, a manufacturing method thereof, and a torch for a carbon dioxide welding machine using the same. The torch for a carbon dioxide welding machine reduces the weight and improves the performance of a torch for a carbon dioxide welding machine by improving the weight and electric resistance of a releasing rod for connecting a torch head, a torch cable, and a power plug, a torch body plug, and the power plug. The manufacturing method for an improved torch connector comprises: a) a manufacturing step of performing extrusion molding of a torch connector with a fixed shape; b) a heat treating step of treating the torch connector, manufactured in step a), by heating in order to increase the hardness; and c) a plating treating step of plating the surface of the heat treated torch connector in order to enable brazing welding of the torch connector treated by heating in step b) and a torch cable and to prevent oxidation and increase electric conductivity of the torch connector. Therefore, the improved torch connector and the torch prepared by the present invention can reduce the weight, electric resistance, heating, and manufacturing costs thereof compared with the conventional torch connector and torch applying the same using brass.
Patent KR-20140021054-A (KR)
Title: Mobile phone case with zoom lense
Inventor: HWANG IN HYEOK
IPC: A45C11/00
Filed: 2014-01-23
Abstract: The present invention provides a mobile phone case including a zoom lens for accurately taking photographs of an object located far away. The present invention relates to a mobile phone case, more specifically a mobile phone case with a camera lens installed on the rear side of the case for enabling users to take photographs in which a regular mobile phone camera cannot take.
Patent KR-20150088119-A (KR)
Inventor: MOH SANG MOON
IPC: G09G3/36
Filed: 2014-01-23
Abstract: A display panel comprises a timing controller embedded data driving unit and a first data driving unit. The timing controller embedded data driving unit comprises: an image processing unit generating a first data signal corresponding to a first display area and a second data signal corresponding to a second display area based on input image data; and an internal data driving unit generating a second data voltage based on the second data signal and outputting the same on the second display area. The first data driving unit is arranged on a first side of the timing controller embedded data driving unit, receives the first data signal from the timing controller embedded data driving unit, generates a first data voltage based on the first data signal, and outputs the same on the first display area.
Patent KR-20150090555-A (KR)
Inventor: OH JAE GON
IPC: E01F9/04
Filed: 2014-01-29
Abstract: The present invention relates to a safety bar for a tunnel capable of improving visibility and safety of a driver. The purpose of the present invention is to minimize loss of lives caused by an accident by improving visibility of a vehicle driver by allowing the vehicle driver to recognize formation of a sidewalk or a bicycle path formed in a tunnel by installing a safety bar in the longitudinal direction inside the tunnel. To achieve the objective of the present invention, the safety bar for a tunnel comprises: at least one fixing bracket (10) including a first vertical plane (12) attached and fixed to an inner wall of a tunnel (2), and a first insertion piece (14) formed in the end of the first vertical plane (12), and formed in the longitudinal direction of the tunnel (2); a main frame (20) having a second insertion piece (22) into which the first insertion piece (14) of the fixing bracket (10) is inserted, a gripping projection (24) protruding at a predetermined height in one side of the second insertion piece (22), and a second vertical plane (26) vertically extended in the end of the second insertion piece (22), and having at least one insertion groove (21) into which a round bar (21a) is inserted; a pad (30) for absorbing a shock including a first insertion part (32) inserted into the gripping projection (24) of the main frame (20), and a third vertical plane (34) vertically extended from the end of the first insertion part (32), and made of a material capable of absorbing a shock in collision; and an advertising panel (50) to allow a driver of a vehicle or pedestrians to arouse attention or to recognize an advertising phrase.
Patent KR-20150091941-A (KR)
Inventor: LIM SEUNG HO
IPC: B24B27/06
Filed: 2014-02-04
Abstract: The present invention relates to a structured saw wire maintaining crimp properties under high slicing tension. In the structured saw wire maintaining crimp properties under high slicing tension, with respect to a saw wire having continuous crimps, unit crimps, having a first region and a second region, which is bent and extended from the first region, are continuously formed in a zigzag pattern. In addition, when considering a virtual circle tangent to a corner formed as the first region and the second region touch each other, the second region is bent from the first region such that the radius of curvature, the radius of the virtual circle, becomes 5-20 times the diameter of the wire.
Patent KR-20150095249-A (KR)
Inventor: HONG SUNG WAN
IPC: C30B15/30
Filed: 2014-02-13
Abstract: The present invention relates to an apparatus for growing a silicon carbide single crystal. The apparatus, which is used to grow the silicon carbide single crystal, has a seed crystal rotating rod to smoothly discharge the heat to increase the temperature gradient indicating the difference between the temperature in a solution and the temperature of the silicon carbide seed crystal or the temperature around the silicon carbide seed crystal. Accordingly, the apparatus can increase the growth rate of silicon carbide single crystal.
Patent KR-20150098892-A (KR)
Inventor: SONG CHOUNG KI
IPC: G11C29/04
Filed: 2014-02-21
Abstract: A semiconductor memory device is provided. The semiconductor memory device comprises: a memory cell array having a plurality of memory cells and a plurality of redundancy cells; a fuse array where information of a cell having a defect among the memory cells is programmed; and a control unit responding to an external command to set a program operation section of the fuse array. The control unit sets the refresh operation section which is previously terminated without being overlapped with the program operation section when the program operation section is set to control the memory cell array to perform refresh operation.
Patent KR-20150101073-A (KR)
Inventor: HAN DAE HEE
IPC: G06Q30/02
Filed: 2014-02-25
Abstract: Provided are a system and method which enable to encourage the production of good secondary content by automatically distributing a profit by an advertisement when providing the secondary content to more people by producing the secondary content through processing source content existed on a network. The system includes: an original owner registering module configured to register information of an original owner of source content, the source content, or advertisement units; a secondary producer registering module configured to register information of a secondary producer producing secondary content, the secondary content, or advertisement units; and an advertisement module configured to display secondary content and registered advertisement units on the secondary content to users.
Patent KR-20150101325-A (KR)
Inventor: LEE YONG HOON
IPC: H04H20/59
Filed: 2014-02-26
Abstract: The present invention relates to a verification apparatus for monitoring and analyzing whether an emergency broadcasting message frame is normally configured or not, which comprises: a transmission frame analysis unit for analyzing a transmission frame layer of an emergency broadcasting message frame; a service packet analysis unit for analyzing a service packet layer of the emergency broadcasting message frame; a metadata analysis unit for analyzing metadata of the emergency broadcasting message frame; a service data decoding unit for decoding or parsing a service packet of the emergency broadcasting message frame; a system control unit for receiving information on each analyzed result from the transmission frame analysis unit, the service packet analysis unit, and the metadata analysis unit; and a display unit for outputting, on a screen, the information on each analyzed result received from the system control unit, and the decoded or parsed service data which is received from the service data decoding unit.
Patent KR-20140113412-A (KR)
Inventor: SOLOMALALA ANDRIANANJA PIERRE
IPC: B61K13/00
Filed: 2014-03-12
Abstract: A railway vehicle, a railroad system, and an associated diagnosis method are disclosed. The railway vehicle (10), circulating in a railroad network (4) of the railroad infrastructure (2), includes electric apparatuses (18, 20) and an associated diagnosis apparatus (14), the associated diagnosis apparatus (14) including at least one sensor unit (44) linked to the electric apparatuses (18, 20) and at least one sensor able to transmit at least one piece of information regarding the operational state of the linked electric apparatuses (18, 20). The associated diagnosis apparatus (14) further includes a communications module (48) built for communicating data with the railroad infrastructure (2), the data representing the operational state of the electric apparatuses or each of the electric apparatuses (18, 20) determined by operational state information transmitted from the sensor unit or the sensor.
Patent KR-20150106643-A (KR)
Inventor: LEE KWANG WON
IPC: C10B33/12
Filed: 2014-03-12
Abstract: The present invention relates to an open-channel flow adjusting apparatus of a damper which ensures to accurately manipulate a damper which rotates inside a duct, and to precisely maintain a predetermined open-channel flow. The open-channel flow adjusting apparatus in the present invention comprises: a damper shaft which is a rotating shaft of the damper to open and close the duct and in which one end thereof protrudes outward from the duct; a first gear combined to the protruding end of the damper shaft and rotating together with the damper shaft; a second gear installed on an outer side of the duct to transfer torque to the first gear; and a manipulating axis which is a shaft to rotate together with the second gear. In addition, one end part of the manipulating axis being far from the duct has a prism shape.
Patent KR-20150111007-A (KR)
Inventor: JANG HAE KI
IPC: F02M21/02
Filed: 2014-03-24
Abstract: Disclosed are a fuel supply system, a ship including the same and a fuel supply method. The fuel supply system according to an embodiment of the present invention comprises: a storage tank for storing liquefied natural gas compressed at set pressure; a booster pump connected to the storage tank to pump the liquefied natural gas to the storage tank; a suction drum connected to the booster pump to store the pumped liquefied natural gas; a high-pressure pump connected to the suction drum to compress the liquefied natural gas; a first vaporizer connected to the high-pressure pump to vaporize the liquefied natural gas; a first engine for receiving the liquefied natural gas, which has been vaporized by the first vaporizer, as fuel; a second vaporizer including multiple small vaporizers connected to the booster pump; and a second engine connected to the second vaporizer and operated by receiving fuel at pressure lower than the pressure of the fuel supplied to the first engine.
Patent KR-20150114701-A (KR)
Inventor: LEE BYOUNG CHUL
IPC: G08C25/00
Filed: 2014-04-02
Abstract: Provided is a method for providing a complex and intelligent service for controlling error correction and remote metering of city gas and life safety and a system thereof. A remote meter terminal installed in a gas meter measures gas related basic information (gas usage amount per time, gas temperature and living environment temperature, gas pressure information). The method judged occurrence of a temperature related living situation, by comparing the gas temperature or the living environment temperature with a threshold temperature value according to a temperature related living situation where high temperature or low temperature (cold-weather injury) damage, fire and freezing damage may occur. The method judges occurrence of a living situation related with gas usage amount, by comparing the gas usage amount per time with a threshold flux value established according to a living abnormality situation, a gas device inspection situation, and a gas leakage situation. Each remote metering terminal transmits information about the living situation occurred through the judgment to a controlling computing apparatus. The information is received in the controlling computing apparatus, and then information about the occurred living situation is transmitted to a communication terminal of a person related with the occurred living situation.
Patent KR-20150115255-A (KR)
Title: 경화체 제조를 위한 제조장치
Inventor: LEE JU YEOL
IPC: B28B1/00
Filed: 2014-04-03
Abstract: 경화체 제조를 위한 제조장치가 개시된다. 본 제조장치는, 산업폐기물 및 알칼리 자극제가 저장되고, 상기 산업폐기물 및 상기 알칼리 자극제가 투입되도록 하는 투입부; 상기 투입부의 하단에 위치되어 상기 투입부로부터 상기 산업폐기물 및 상기 알칼리 자극제를 공급받아 혼합되도록 하는 혼합부; 및 상기 혼합부에서 상기 산업폐기물 및 상기 알칼리 자극제가 혼합되어 생성된 혼합물이 배출되도록 하는 배출구가 마련되고, 상기 배출구에서 배출된 상기 혼합물이 다면체 또는 입자 형태의 경화체로 경화될 수 있도록 하는 제조부;를 포함하며, 상기 혼합부의 하부면 일부는 개폐가능하도록 마련되고, 상기 배출구는 상기 혼합부 하단에 위치되어 상기 혼합부의 하부면 일부가 개폐됨에 따라 상기 혼합물이 상기 혼합부 외부로 배출되도록 한다. 이에 의해 산업부산물 또는 산업폐기물을 재활용하여 경화제를 제조하기 위해 산업부산물 또는 산업폐기물이 골재 등과 혼합되는 과정을 여러번 거치지 않고도 혼합될 수 있도록 하여 경화체를 제조할 수 있게 된다.
Patent KR-20150118819-A (KR)
Inventor: LEE YOUNG IL
IPC: B66C23/70
Filed: 2014-04-15
Abstract: The present invention relates to an auxiliary boom connecting structure of a crane and, more specifically, to an auxiliary boom connecting structure which connects an auxiliary boom for extending the length of a crane to a main boom of the crane in a separable structure and varies an angle of the auxiliary boom and fixes the auxiliary boom, thereby reinforcing bending weight of the auxiliary boom according to a heavy object. According to the present invention, the auxiliary boom is towed by a wire hung on a wire fixing hole and connected to the main boom side by side while rotating around a pivot shaft with the auxiliary boom coupled to an engaging shaft of the main boom through a shaft engaging hole, so the auxiliary boom and the main boom can be easily connected through electric power. Especially, the auxiliary boom is fixed to the main boom at a predetermined angle through an angle control connector, thereby reinforcing bending weight of a connected portion through an angle adjustment of the auxiliary boom.
Patent KR-20150120550-A (KR)
Inventor: HWANG SEUNG HWAN
IPC: F23J1/02
Filed: 2014-04-17
Abstract: The present invention relates to a steam spray device and a boiler system using the same. The present invention relates to a steam spray device preventing damage on a cable connected to the device, and to a boiler system using the same. The steam spray device according to the present invention comprises a steam spray tube installed on a support to be moved, and spraying steam by being moved to the inside of the boiler; a transfer device moving the steam spray tube; a cable reel winding and unwinding a cable connected to the transfer device for supply power upon movement of the transfer device, while maintaining tension of the cable; and a guide roller guiding the movement of the cable.
Patent KR-20150120177-A (KR)
Title: Manufacturing method of semiconductor device and semiconductor device thereof
Inventor: LEE KI WOOK
IPC: H01L23/12
Filed: 2014-04-17
Abstract: An embodiment of the present invention relates to a method for manufacturing a semiconductor device and the semiconductor device thereof. The objective of the present invention is to provide the method for manufacturing the semiconductor device and the semiconductor device thereof which can minimize investment of equipment and facility at a packaging level and can realize a function of a micro redistribution layer easily, by using an interposer using a circuit board or a wafer fabrication for connection of a part requiring the micro redistribution layer, and forming other normal redistribution layers using fan-out bumping technology. For this, disclosed are the method for manufacturing the semiconductor device, which includes the steps of: arranging a number of semiconductor dies on an adhesive tape; encapsulating the semiconductor die on the adhesive tape with an encapsulant; removing the adhesive tape, and forming a first redistribution layer on a surface of the encapsulant and the semiconductor die; connecting the semiconductor dies electrically with each other, by connecting the interposer to the first redistribution layer electrically; and connecting a solder ball to the first redistribution layer, and the semiconductor device thereof.
Patent KR-20150120798-A (KR)
Title: Assembly Toys and Member of Assembly Toys
Inventor: KIM JUN TAE
IPC: A63H33/04
Filed: 2014-04-18
Abstract: According to various embodiments of the present invention, a member for an assembly toy may comprise: at least one first hole capable of being coupled to a first connection member; and at least one uneven portion capable of being connected to a different floor member on a flat surface and in three dimensions on each edge.
Patent KR-20150047413-A (KR)
Inventor: YUN KYUNG SUK
IPC: G06F3/048
Filed: 2014-04-22
Abstract: The present invention relates to a method for converting button allocation details displayed in a button of an electronic device. A part of button allocation details is actually converted among button allocation details displayed in the same button by a signal of converting button allocation details including that a control button is adjusted.
Patent KR-20150121840-A (KR)
Inventor: MOON SANG SEOK
IPC: B23P21/00
Filed: 2014-04-22
Abstract: The present invention provides an automatic assembling apparatus for assembling a ball with a nut installed on a ball screw of an electrical power steering system (EPS), and more specifically, relates to an assembling apparatus for assembling a ball with a nut moving along a screw. The assembling apparatus comprises: a frame main body; a pressurizing rotation device; a base panel; an elevation device; and a dummy shaft. The pressurizing rotating device is installed on an upper part of a main body of the frame. The base panel is installed on the main body of the frame to be arranged on a lower part of the pressurizing rotating device, has a through-hole, and includes a support ring part arranged on the upper surface thereof to be connected to the through-hole, the support ring part having a jaw part formed on the inner circumferential surface to allow placement of the nut. The elevation device is installed on the main body of the frame to be arranged on a lower part of the base panel. The dummy shaft is detachably coupled to the elevation device and is inserted into the through-hole. The nut is arranged on the base panel and is rotated through the pressurizing rotation device, and the dummy shaft is led in the interior of the nut through the elevation device such that the ball is inserted into a thread-groove of the nut by centrifugal force and the dummy shaft, thereby removing inconvenience where remaining balls need to be inserted by a worker, which reduces the number of processes and increases productivity.