baber/WOPTO huggingface dataset:
Patent KR-20160016838-A (KR)
Inventor: JEONG WOOK JE
IPC: H04N19/119
Filed: 2013-08-06
Abstract: 동영상을 처리하는 방법이 개시된다. 본 발명은 동영상 처리 방법에 있어서, 부호화된 영상을 수신하는 단계; 상기 부호화된 영상으로부터 복원된 영상 프레임을 필터 처리하는 단계; 상기 필터 처리된 영상 프레임을 미리 결정된 분할 블록 단위로 분할하는 단계; 상기 복수의 블록들을 각각 압축하는 단계; 상기 압축된 복수의 블록들을 일정 단위로 패키징하며, 상기 패키징된 복수의 블록들 각각에 대응하여 룩업 테이블 정보를 생성하는 단계; 상기 룩업 테이블 정보 및 상기 패키징된 데이터를 기록하는 단계; 상기 룩업 테이블 정보를 이용하여 상기 복수의 블록들 중 특정 프레임에 대응되는 블록들에 대해 움직임 보상을 위한 제1 역압축을 수행하는 단계; 및 상기 룩업 테이블 정보를 이용하여 상기 복수의 블록들을 순차적으로 역압축하는 제2 역압축을 수행하는 단계를 포함한다.
Patent KR-20160003308-A (KR)
Title: 스테이지 장치, 패턴 형성 장치, 노광 장치, 스테이지 구동 방법, 노광 방법, 그리고 디바이스 제조 방법
Inventor: SHIBAZAKI YUICHI
IPC: G03F7/20
Filed: 2009-04-30
Abstract: 스테이지 장치는, XY 평면을 따라 이동하는 조동 스테이지 (91) 와, 그 조동 스테이지 상에서, 적어도 XY 평면에 평행한 방향으로 미동 가능한 테이블 (WTB) 을 갖는 웨이퍼 스테이지와, 인코더 시스템을 구비하고 있다.     조동 스테이지에는 복수의 인코더 헤드 (60C 등) 가 형성되어 있다.     각 헤드는, XY 평면에 평행하게 배치된 제 1 그레이팅부 (RG) 및 테이블에 형성된 제 2 그레이팅부 (RG2 Y )   에 각각 계측 빔 (LB 1 , LB 2 )   등을 조사하여, 제 1 및 제 2 그레이팅부 각각으로부터의 회절광을 수광한다.     인코더 시스템은, 제 1 및 제 2 그레이팅부에 대향하는 적어도 1 개의 인코더 헤드의 출력에 기초하여, XY 평면 내에 있어서의 테이블 (웨이퍼 스테이지) 의 위치 정보를 계측한다.
Patent KR-20160121774-A (KR)
Title: 디바이스 바인딩 방법, 장치, 프로그램 및 기록매체
Inventor: CHEN CHANGBING
IPC: H04L29/12
Filed: 2015-10-28
Abstract: 본 발명은 디바이스 바인딩 방법 및 장치에 관한 것이며, 컴퓨터 기술분야에 속한다. 상기 방법은 단말기로부터 송신되는 바인딩 대기 전자 디바이스의 디바이스 식별자 및 상기 단말기에 대응하는 사용자 어카운트를 포함하는 바인딩 요구를 수신하는 단계와, 상기 서버에 상기 사용자 어카운트 및 상기 디바이스 식별자와 대응하는 상환기록이 존재하는지 여부를 검출하는 단계와, 상기 서버에 상기 사용자 어카운트 및 상기 디바이스 식별자와 대응하는 상기 상환기록이 존재할 경우, 상기 사용자 어카운트와 상기 디바이스 식별자를 바인딩하는 단계를 포함한다. 본 발명은, 전자 디바이스에 대한 사용자의 조작에 기초하여 당해 전자 디바이스가 사용자가 소유하는 전자 디바이스인지를 확인함에 의해, 바인딩 과정이 번잡하고 효율이 저하되는 문제를 해결하고, 디바이스 바인딩 효율을 향상시키는 효과를 이룬다.
Patent KR-20160015304-A (KR)
Inventor: CARDINALI FRANCOIS
IPC: H01L51/05
Filed: 2014-06-06
Abstract: 본 발명은 제1 전극, 제2 전극, 및 제1 전극과 제2 전극 사이에 화학식 (I)에 따른 화합물을 포함하는 실질적인 유기 층을 포함하는, 유기 전자 소자에 관한 것이다: 
 화학식 (I).
Patent KR-20170087680-A (KR)
Inventor: KIM YUN HYUNG
IPC: B21D5/02
Filed: 2016-01-21
Abstract: 본 발명은 다이의 간격이 변형되어 벤딩각도가 일정하지 않아 불량이 발생할 때 다이의 벤딩 각도를 조정하여 가공오차를 보상하는 가공오차 조정이 가능한 벤딩금형 핀치다에 관한 것으로,  
상부금형에 벤딩날을 구성하고 상기 벤딩날에 대응하는 가공다이를 다이홀더에 장착하는 하부금형에 구성하여 철판을 벤딩하는 벤딩금형의 상기 다이홀더에 별도의 가공다이를 결합하여 가공오차 조정이 가능한 벤딩금형 핀치다이를 구성함에 있어서, 
상기 다이홀더의 상면에 각진 장착요홈을 길게 형성하여 양단에 가이드레일을 형성하고, 상기 장착요홈에는 양측의 가이드레일에 경사진 가공면을 형성한 한 쌍의 가공다이를 가공면이 서로 대향하도록착,탈 하도록 구성하여, 가공다이의 가공면이 서로 대향하는 간격을 조절하도록 가공오차 조정이 가능한 벤딩금형 핀치다이를 구성하여, 장기간 사용으로 마찰에 의한 마모나 열변형으로 다이의 간격이 변형되어 벤딩 각도가 일정하지 않아 불량이 발생할 때, 다이의 벤딩 각도를 조정하여 가공오차를 보상하여 실시간으로 가공오차 조정하여 양질의 가공이 가능하도록 한 신규한 발명이다.
Patent KR-20170089234-A (KR)
Title: Particle Analyzer Microscope
Inventor: CHO Jae Hung
IPC: G01N21/39
Filed: 2016-01-26
Abstract: The present invention relates to an imaging particle analyzing device and, more specifically, to an imaging particle analyzing device capable of analyzing particle features such as a size of a particle, a shape, etc. based on an image photographed by a camera. The imaging particle analyzing device of the present invention comprises: a sample capillary in which an analyzed particle is injected; a stage in which the sample capillary is put; a lower light source which irradiates light to a lower surface of the sample capillary; an optical system which enables the particle on the sample capillary through which the light passes depending on irradiation of the light to the sample capillary to scatter light with the lower light source, and guides an image of the scattered light to the camera; the camera which photographs the image of the scattered light guided from the optical system during a specific time; and a computer which analyzes the particle features by using received information about the analyzed particle, and a signal processed result for image frames of the scattered light which are photographed in the camera during the specific time.
Patent KR-20170090196-A (KR)
Title: Cathode active material having high electrochemical properties and lithium secondary battery comprising the same
Inventor: HONG KI JOO
IPC: H01M4/131
Filed: 2016-01-28
Abstract: Provided is a positive electrode active material comprising lithium transition metal oxide particles and a titanium dioxide coating layer formed on part or all of the surface of the particles, wherein the titanium dioxide coating layer is partially reduced TiO_(2-x) (0 < x < 2). Also, provided are a method for manufacturing the positive electrode active material and a lithium secondary battery comprising the positive electrode active material. The positive electrode active material has improved electric conductivity by decomposing lithium-containing impurities remaining on the surface by the partially reduced titanium dioxide coating layer formed on the surface, thereby improving electrochemical performance of an electrochemical device, desirably a lithium secondary battery comprising the same.
Patent KR-20160104554-A (KR)
Title: Injection device
Inventor: NAMATAME Akira
IPC: B29C45/03
Filed: 2016-02-19
Abstract: Provided is an injection device of which molding errors are avoided. To this end, the injection device comprises: a cylinder applying heat to a molding material which is supplied into a molding device; and a gas supplying device supplying, into the cylinder, at least one of inactive gas and carbonic acid gas and pre-heating the gas.
Patent KR-20170098604-A (KR)
Inventor: KIM HYUN HO
IPC: B01J29/40
Filed: 2016-02-22
Abstract: 본 발명은 N 2 O 저감용 세라믹 펠렛 구조체 제조장치 및 이를 이용하여 N 2 O 저감용 세라믹 펠렛 구조체를 제조하는 방법에 관한 것이다. 이를 위해 N 2 O 저감용 세라믹 펠렛 구조체 제조장치는 세라믹 펠렛 구조체의 촉매층을 제조하는 촉매층 압출성형기; 및 세라믹 펠렛 구조체의 촉매층을 둘러싸는 보호층을 제조하는 보호층 압출성형기;를 포함하는 것을 특징으로 한다.
Patent KR-20170105282-A (KR)
Inventor: WOO KWANG SIK
IPC: B65B13/02
Filed: 2016-03-09
Abstract: 제1 방향으로 코일을 이동시키는 컨베이어에 접근하여 코일의 둘레에 밴드를 감아 결속하는 코일용 밴드 결속장치는, 제1 방향을 가로지르는 제2 방향으로 이동 가능한 이동 프레임과, 이동 프레임에 대해 상하 방향으로 이동하는 승강 프레임과, 승강 프레임에 서로 이격되게 배치되며 승강 프레임과 함께 하강한 후 코일에 접촉하여 코일의 둘레에 감긴 밴드를 접합하는 제1 헤드부 및 제2 헤드부와, 제1 헤드부 및 제2 헤드부의 각각에 밴드를 공급하는 제1 공급부 및 제2 공급부와, 이동 프레임과 함께 컨베이어의 외측으로 벗어난 위치에서 컨베이어 상의 결속 위치로 이동하여 제1 헤드부와 제2 헤드부를 통과한 밴드가 코일의 둘레에 감기도록 밴드의 이동을 안내하는 제1 안내부 및 제2 안내부를 구비한다.
Patent KR-20170105999-A (KR)
Title: Self mode lock laser system
Inventor: OH KWANG RYONG
IPC: H01S3/094
Filed: 2016-03-11
Abstract: A self-mode lock laser system according to an embodiment of the present invention includes a semiconductor substrate, a laser diode including a first semiconductor part provided on the semiconductor substrate and generating an optical signal, a whispery gallery mode (WGM) resonator which includes a second semiconductor part on the semiconductor substrate and has an emission angle of a single direction, and a structure which radiates a mode-locked optical signal by the optical signal of the laser diode by optically coupling the laser diode to the resonator on the semiconductor substrate. Accordingly, the present invention can emit an optical signal with a fine line width.
Patent KR-20170106603-A (KR)
Inventor: LEE YONG HOON
IPC: H03F1/32
Filed: 2016-03-11
Abstract: A tracking power amplifying apparatus according to an embodiment of the present invention includes a first predistortion part for calculating a first predistortion parameter using an input signal and an output signal and outputting a first distortion signal which is obtained by distorting the input signal by using the first predistortion parameter; a second predistortion part for calculating a second predistortion parameter by using the input signal and a second envelope signal and outputting a second distortion signal which is obtained by distorting the first distortion signal by using the second predistortion parameter; a power supply part for receiving the first distortion signal to generate a first envelope signal and providing power supply according to the second envelope signal where the bandwidth of the first envelope signal is limited; and a power amplifier for receiving the supply power and outputting an output signal obtained by amplifying the second distortion signal. It is possible to reduce a memory effect and ensure linearity.
Patent KR-20160113063-A (KR)
Title: Color 3d printer and method for controlling the same
Inventor: JEON JIN HWAN
IPC: B29C67/00
Filed: 2016-03-21
Abstract: The present invention relates to a 3D printer and a method for controlling the same. More particularly, the present invention relates to a 3D printer carrying out SLA type color printing and a method for controlling the same. The 3D color printer forms a 3D object by stacking a plurality of layers, and comprises: a tank receiving a printing medium including color particles provided as photonic crystal particles whose structural color is defined according to a particle distance controlled by a magnetic field, and a curable material receiving the color particles and provided as a liquid phase, wherein any one surface of the upper surface and the lower surface functioning as a work surface for forming the layers is transparent; a modeling plate provided in the form of a planar plate facing the work surface of the tank to support the 3D object; a memory storing the modeling data for the 3D object; an electromagnet disposed at the lower part of the work surface to apply a magnetic field to the printing medium located on the work surface; and a controller controlling the voltage applied to the electromagnet based on the modeling data to adjust the magnitude of the magnetic field so that the color imparted to the printing medium located on the work surface may be controlled.
Patent KR-20160040499-A (KR)
Inventor: INAGAKI TATSUHIKO
IPC: D01F8/08
Filed: 2016-03-30
Abstract: Provided are a splittable conjugate fiber which is split by a weak external force about a high-pressure water column, and is split into a microfiber; and a non-woven fabric having excellent wiping properties. The splittable conjugate fiber comprises 60-90 wt% of a component A, and 10-40 wt% of a component B, wherein the component A and the component B are incompatible, the component A or the component B is an acrylonitrile polymer. The splittable conjugate fiber has the sectional shape vertical to the fiber axis of a flat shape having flattening of 3-20, inclusively, and has a conjugate structure having a sea part of the component A and an island part of the component B. The non-woven fabric formed by using the splittable conjugate fiber has a split part formed by split of the splittable conjugate fiber, wherein the split part includes a part having fiber width of 0.01-1 μm.
Patent KR-20160128909-A (KR)
Title: Hybrid Drive shaft and preparing method for the same
Inventor: KIM DONG HO
IPC: B29C53/08
Filed: 2016-04-04
Abstract: A hybrid drive shaft and a method of manufacturing the same are disclosed. The present invention comprises: a step of forming a composite tube of a hollow cylindrical body by winding a plurality of sheets; a step of cooling and tubing the composite tube and applying heat to a metal tube to expand the metal tube; and a step of inserting and joining the composite tube into the metal tube.
Patent KR-20170116540-A (KR)
Title: 자연 대류 형 배터리 시스템
Inventor: JUNG EUN EY
IPC: H01M10/6562
Filed: 2016-04-11
Abstract: 본 발명은 셀 트레이 (cell tray) 를 조립하는 방법에 관 것이다. 본 발명에서는 셀 모듈을 구성하는 대신 셀로 구성된 셀 트레이를 조립하여 배터리 랙을 구성하고 이들 배터리 랙을 여러 개 조합하여 ESS 를 구성한다. 이 경우 셀 트레이를 기존의 셀 모듈 조립하는 것과 같이 수평으로 조립하지 않고 경사각을 주어 비스듬히 조립하여 더운 공기가 자연적으로 위로 흐를 수 있도록 한다. 이렇게 본 발명의 방식을 사용하면 기존의 셀들을 조립하여 셀 모듈을 만 들고 이 셀 모듈들을 조립하여 배터리를 구성하는 방법에서는 기대 할 수 없는 자연 대류를 일으킬 수 있어 ESS 시스템의 방열 문제를 개선 할 수 있다.
Patent KR-20170120761-A (KR)
Inventor: KIM JUNG SOO
IPC: G09B19/06
Filed: 2016-04-22
Abstract: The present invention relates to an English study method and system. More particularly, the present invention relates to an English study method and system. The English study method includes a step of displaying a sentence corresponding to a selected degree of difficulty and playing a native speakers voice; a step of allowing a learner to listen to the native speakers voice, speak and record his/her voice while the learner watches the sentence, a step of displaying a selected sentence only; a step of allowing the learner to speak and record his/her voice while watching the sentence; a step of playing the native speakers voice of the selected sentence; and a step of recording his/her voice while listening to the native speakers voice of the selected sentence only and speaking.
Patent KR-20170120768-A (KR)
Inventor: KIM HWA OHK
IPC: F25D19/00
Filed: 2016-04-22
Abstract: The present invention relates to a refrigerator, comprising: a cooling chamber having a storage space; an ice maker disposed in the cooling chamber; an evaporator for cooling air moving to the ice maker and the cooling chamber; a first discharge port which is a passage for moving cooled air to the evaporator from the inside of the cooling chamber; a first suction port which is a passage for moving air to the evaporator from the inside of the cooling chamber; a second discharge port which is a passage for moving air cooled by the evaporator to the ice maker; and a second suction port which is a passage for moving air to the evaporator from the inside of the ice maker. When the first discharge port and the first suction port are open, the second discharge port and the second suction port are closed. When the second discharge port and the second suction port are open, the first discharge port and the first suction port are closed. Therefore, a discharge port and a suction port for a cooling chamber are alternately opened and closed with respect to a discharge port and a suction port for an ice maker, and thus cool air flowing into the cooling chamber and cool air flowing to the ice maker are separated. Accordingly, the evaporator can be effectively used.
Patent KR-20170121626-A (KR)
Inventor: YOON DONG JIN
IPC: G01R19/165
Filed: 2016-04-25
Abstract: The present invention is to provide an inverter control system to prevent damage to an inverter and prevent the reduction of power generated by the inverter. The inverter control system includes a cooling fan that is driven to cool an inverter when the temperature of the inverter is higher than a reference temperature, a first determination part for determining whether the cool fan is in error, a second determination part for determining a degree of error of the cooling fan when it is determined that the cooling fan is in error, wherein the error of the cooling fan is divided into a first stage error and a second stage error which is a higher level error than the first stage error; and a control part for driving the inverter when the error of the cooling fan is the first stage error and stopping the inverter when the error is the second stage error.
Patent KR-20170125474-A (KR)
Inventor: KIM JONG BAE
IPC: G01R31/327
Filed: 2016-05-04
Abstract: A thyristor valve control apparatus of the present invention comprises: a first valve relay for receiving a state signal of a first thyristor valve, and converting the state signal into a digital signal so as to output as a first state signal which is a single pulse; a distributed control unit for comparing an input time of the first state signal with a set time so as to count when the input time and the set time are different, and outputting an error notification signal for notifying whether an error is present as the digital signal when the count continuously occurs, and exceeds a set number; a system control unit for outputting a first control request signal for notifying a failure of the first thyristor valve when the first thyristor valve has the failure by analyzing the error notification signal; and an upper controller for generating a first control signal for controlling the first valve relay when the first control request signal is received, and outputting the first control signal as the digital signal.
Patent KR-20170126078-A (KR)
Inventor: KUK SEUNG HEE
IPC: G09F9/30
Filed: 2016-05-04
Abstract: According to the present invention, a display panel including an encapsulation film and a flexible display device including the same comprise a crack preventing layer to minimize crack generation or crack spreading in an inorganic layer configured to configure the encapsulation film. In addition, the display panel including the encapsulation film is applied to the flexible display device so that a folding feature can be improved while maintaining performance of the flexible display device.
Patent KR-20170126333-A (KR)
Inventor: PARK JU HYUN
IPC: F02D41/30
Filed: 2016-05-09
Abstract: The present invention relates to an engine control apparatus of a bi-fuel vehicle. An engine control apparatus of a bi-fuel vehicle according to an embodiment of the present invention relates to an engine control apparatus of a bi-fuel vehicle using liquid fuel and gaseous fuel, including: a temperature calculation portion for measuring a temperature of a liquid fuel injector from which the liquid fuel is injected, when the gaseous fuel is injected into the engine; and a control portion for determining whether the temperature of the liquid fuel injector measured by the temperature calculating portion is equal to or higher than a predetermined temperature, adjusting an injection amount of the liquid fuel when the temperature of the liquid fuel injector is equal to or higher than the predetermined temperature, and for re-adjusting the injection amount of the gaseous fuel in accordance with the injection amount of the re-adjusted liquid fuel.
Patent KR-20170130073-A (KR)
Inventor: LEE WON GEUN
IPC: E01D22/00
Filed: 2016-05-18
Abstract: The present invention relates to a scaffolding apparatus for repairing a steel bridge. The scaffolding apparatus for repairing a steel bridge comprises: a guide bar longitudinally formed in a longitudinal direction of a steel bridge box to guide to allow transport; a transport device including a guide roller which is positioned on a lower surface of the guide bar and moves a scaffolding apparatus by a rolling operation, a guide panel which allows the guide roller to be rotatably coupled thereto, supports rotation of the guide roller, and includes a pipe connection unit arranged on a lower portion thereof, to which a pipe member is connected, and the pipe member including fixing pipes vertically connected to the pipe connection unit, a support pipe which is coupled to an end of the fixing pipes to be perpendicular and makes up a bottom unit of the scaffolding apparatus, and a reinforcing pipe to connect the fixing pipes to reinforce stiffness of the scaffolding apparatus; a bottom panel which is stacked on an upper portion of the support pipe, and prevents loss of media sprayed by a blasting method; and a contaminant collection film to enclose an outer surface of the transport device to collect the media and contaminants.
Patent KR-20170012009-A (KR)
Inventor: KIM MYUNG SOOK
IPC: A61F2/00
Filed: 2016-05-23
Abstract: A urinary incontinence prevention clip for men of the present invention comprises: a clip body including an upper frame which is located in correspondence to the upper part of the male sexual organ, a lower frame which is located in correspondence to the lower part of the male sexual organ, and a connection unit which is connected to one sides of the upper frame and the lower frame and provides elastic force in the direction where the upper frame and the lower frame are widened; cushion units provided on the insides of the upper and lower frames, respectively; and a locking unit formed on both ends of the clip body and combined with each other. The upper frame is formed not to pressurize the blood vessels of the male sexual organ, and the lower frame is formed to pressurize the ureter of the male sexual organ.
Patent KR-20170131958-A (KR)
Inventor: KWON YONG JANG
IPC: B60R21/0134
Filed: 2016-05-23
Abstract: According to one embodiment of the present invention, a mobile power cart comprises: a frame portion having at least one receiving portion for receiving distribution; a cart driving portion for driving the frame portion; a user photographing portion for recognizing a user; an information indicating portion in which status information of task list data to be performed by a user and state information of the mobile power cart are displayed; and a control portion for controlling the cart driving portion, wherein the control portion identifies the user based on skeleton information of the user recognized through the user photographing portion, and the task list data of the corresponding user is displayed on the information indicating portion, thereby capable of efficiently distributing and picking up distribution from a warehouse.
Patent KR-20170133899-A (KR)
Inventor: MIN BYOUNG WOON
IPC: G01R31/02
Filed: 2016-05-27
Abstract: A transformer is disclosed. The transformer includes an enclosure having an internal space, a transformer body installed inside the enclosure, an optical fiber installed in the transformer body and having one end drawn to the outside of the enclosure; and a measuring unit connected to the optical fiber. It is possible to accurately measure the location of local overheating and partial discharge.
Patent KR-20170136773-A (KR)
Inventor: KIM HONG SIK
IPC: C02F101/22
Filed: 2016-06-02
Abstract: According to the present invention, in an apparatus for treating plating washing water for recovering sexivalent chrome and a method for treating the same, turbid washing water of a chromium plating washing water tank is put into a buffer tank, and is filtered by a filter device to obtain filtered water. The filtered water is sent to the chromium plating washing water tank to be utilized as washing water. Moreover, concentrate is sent to a recovering water tank to be moored and pass through an overflow process several times to be precipitated. In addition, the concentrate in which sexivalent chrome is recovered is sent to an evaporation concentration device to evaporate and condense moisture to be added to washing water. In addition, the concentrate is stored in a plating liquid tank to be inputted into a chrome plating bath at an appropriate time to be utilized for chrome plating.
Patent KR-20170136944-A (KR)
Inventor: JO JEONG GEUN
IPC: A43B3/24
Filed: 2016-06-02
Abstract: The present invention relates to 45 degree bathroom shoes capable of releasing water easily, and aims to facilitate water release by giving a slope to the bathroom floor by a spring. In other words, the bathroom shoes comprises: a water removal hole (1) provided to facilitate the release of water at all surface of the bottom of the bathroom shoes and the bathroom floor; a spring (2) provided in the center of the bottom of the bathroom shoes to fold the bathroom shoes when the bathroom shoes are not used; a mounting part (3) provided to prevent the bathroom shoes from falling when the bathroom shoes are folded at both ends of the bottom of the bathroom shoes; and a foot top hanger part (4) provided at an upper end of the bathroom shoes to facilitate movement in the bathroom. Accordingly, it is an objective of the present invention that the spring is used to give the slope so that water can be easily released.
Patent KR-20170138093-A (KR)
Inventor: KIM HAN KYEONG
IPC: E21D9/00
Filed: 2016-06-07
Abstract: The present invention relates to a steel pipe propulsion apparatus used for constructing a trenchless pipe. The steel pipe propulsion apparatus comprises: a main pipe; a slide pipe having a rear part inserted into the main pipe to move forwards and backwards, and a front part protruding toward a front side of the main pipe; an arch-shaped roof plate having the rear part mounted to cover an upper portion of the front end of the slide pipe, having a curvature corresponding to an upper portion of the main pipe; a support mounted in the main pipe to be disposed on a rear side of the slide pipe; and a spring interposed between the sliding pipe and the support, and elastically deformed by operation in which the slide pipe is inserted into the main pipe. According to the present invention, the steel pipe propulsion apparatus is able to quickly respond to a collapse of a closing surface and a surface of a blind end by allowing a roof plate to press a surface of the blind end by a spring elastically deformed when the slide pipe is inserted into the main pipe during propulsion of the steel pipe.