baber/WOPTO huggingface dataset:
Patent KR-20160133852-A (KR)
Inventor: HWANG DONG HWAN
IPC: F16H3/66
Filed: 2015-05-13
Abstract: A planetary gear train of an automatic transmission for a vehicle is disclosed. According to an embodiment of the present invention, the planetary gear train of an automatic transmission for a vehicle comprises: an input shaft; an output shaft; a first planetary gear set including a first sun gear, a first planetary carrier, and a first ring gear; a second planetary gear set including a second sun gear, a second planetary carrier, and a second ring gear; a third planetary gear set including a third sun gear, a third planetary carrier, and a third ring gear; a fourth planetary gear set including a fourth sun gear, a fourth planetary carrier, and a fourth ring gear; seven control elements; and first to eighth rotational shafts.
Patent KR-20160135530-A (KR)
Title: Apparatus and method for cotrolling antenna in communication system
Inventor: BAE JONG DAE
IPC: H04W88/06
Filed: 2015-05-18
Abstract: According to an embodiment of the present invention, a terminal device in a communication system includes: a first cellular antenna; a second cellular antenna installed in a position at a distance from the first cellular antenna; a connectivity antenna installed in a position near the second cellular antenna; a first cellular communication part connected with the first cellular antenna; a second cellular communication part connected with the second cellular antenna; and a connectivity communication part connected with the connectivity antenna. The second cellular communication part and the connectivity communication part are one single integrated circuit. Therefore, the present invention is capable of improving the efficiency of the performance of a cellular diversity antenna.
Patent KR-20160136185-A (KR)
Inventor: BANG JOONG SIK
IPC: B66B1/46
Filed: 2015-05-19
Abstract: 본 발명은 엘리베이터 조작반 시스템에 관한 것으로서, 엘리베이터 조작반의 버튼영역별로 구현되는 신개념 터치스크린모듈을 기존 버튼제어방식 엘리베이터 조작반 메인컨트롤러와 유기적으로 결합시키고, 해당 버튼영역 마다의 정전용량 변화의 감지신호를 기존 버튼방식 메인컨트롤러에 개별적으로 전송함으로써, 기존 버튼제어방식의 메인컨트롤러와 100% 호환되면서도 심플하고, 경제성이 있으며, 디자인이 수려하고, 사용터치감이 개선되며, 안전신뢰성이 확보되며, A/S가 간편한 터치스크린방식의 엘리베이터 조작반으로 변신시킨다. 특히, 투명판 하부면의 버튼영역마다 박막형 ITO 터치필름전극을 부착하며, 소정 지지부재를 통해 아래쪽에 소정 기판이 결합되되, 그 하부면에는 정전용량변화를 감지하여 온(ON)신호를 발생하는 제어회로를 실장하고, 그 상부면에는 LED 백라이트를 실장하며, 개별 조작버튼영역마다 개별적인 신호인출선을 기존 버튼제어방식의 메인컨트롤러와 전기적으로 연결한다. 이로써, 상기 제어기판 위에 별도의 백라이트용 기판을 추가로 구비하지 않아도 되며, 투명판과 투명한 ITO 필름전극이 결합된 터치스크린모듈을 매우 박막형으로 제공하며, 동시에 LED 표시조명감이 더 개선되는 특장점을 제공한다. 이에 따라, 본원 발명은 국내 엘리베이터 시장규모에서 90% 가까이를 차지하는 기존 버튼제어방식의 엘리베이터 조작반을 매우 간편하면서도 경제성 있게 신개념 터치스크린방식의 엘리베이터 조작반으로 변신시킬 수 있게 되었다.
Patent KR-20160038710-A (KR)
Title: Block copolymer
Inventor: KIM JUNG KEUN
IPC: C08F299/00
Filed: 2015-06-04
Abstract: The present invention relates to a block copolymer and uses thereof. Provided in the present invention are: a block copolymer having excellent self-assembling properties, which can be effectively used for various purposes; and uses thereof. The block copolymer comprises a first block, and a second block having a chemical structure different from the first block. The azimuth angle in -90 to -70 degrees of a diffraction pattern of a scattering vector in the range of 12 nm^-1 to 16 nm^-1 of a GIWAXS spectrum and a peak with the half width in the range of 5 to 70 degrees are observed in the first block.
Patent KR-20160148177-A (KR)
Title: 연근을 이용한 떡국용 떡의 제조방법 및 이에 의해 제조된 연근을 이용한 떡국용 떡
Inventor: PARK OH SUN
IPC: A23L7/10
Filed: 2015-06-16
Abstract: 본 발명은 연근을 이용한 떡국용 떡의 제조방법 및 이에 의해 제조된 연근을 이용한 떡국용 떡에 관한 것이다. 
본 발명에 따른 연근을 이용한 떡국용 떡의 제조방법은 쌀의 이물질을 제거한 후 정제수에서 불리는 쌀을 세척한 후 불리는 단계; 상기 불린 쌀을 분말화하여 쌀가루를 제조하는 불린 쌀을 분쇄하여 쌀가루를 제조하는 단계; 상기 분쇄된 쌀가루와 혼합될 연근을 준비하고 이물질을 제거하여 세척하는 연근을 세척하는 단계; 상기 세척된 연근을 분쇄하여 미립화하는 연근을 분쇄하여 분말화하는 단계; 상기 분말화된 쌀가루에 연근분말을 혼합한 후 일정한 온도의 스팀으로 쪄서 당화시킴으로써 반죽물을 제조하는 쌀가루 및 연근분말을 스팀으로 쪄서 반죽물을 제조하는 단계; 및 상기 쌀가루 및 연근분말로 제조된 반죽물을 압출 성형기를 이용하여 반죽 및 성형함으로써 떡국용 떡을 제조하는 반죽물을 압출 및 성형하는 단계를 포함한다. 
상기한 구성에 의해 본 발명은 연근 고유의 식감과 풍미는 물론 생리기능성이 부여되어 소비자의 건강을 보다 유익하게 하고, 연근의 이용가치와 소비를 확대할 수 있으며, 연근과 쌀가루의 영양성분이 서로 보완·조화되어 영양학적으로 균형잡힐 수 있다.
Patent KR-20160000418-A (KR)
Inventor: KIM JUNG HEE
IPC: G06F3/0354
Filed: 2015-06-16
Abstract: The present invention relates to an optical touch display device and a driving method thereof which use an image map to be advantageous to high speed drive, large area touch sensing and multi-touch sensing and improve touch sensing performance. According to the present invention, the optical touch display device comprises: a display device to display a display image based on inputted source image data and an image map for touch sensing; an optical touch pen to detect map information of the image map displayed by the display device; and a position detector to detect position information on a screen based on the map information.
Patent KR-20150144723-A (KR)
Inventor: GRANDE FERNANDEZ JOSE ANTONIO
IPC: F28D9/00
Filed: 2015-06-17
Abstract: The present invention relates to a heat exchanger and, more specifically, to a device to defect cooling fluid in a heat exchanger of an exhaust gas recirculation system. Therefore, present invention efficiently cools fluid and allows the fluid to flow through a tube bundle of the heat exchanger.
Patent KR-20150087165-A (KR)
Inventor: AOYAMA NORITAKA
IPC: F16H61/664
Filed: 2015-07-06
Abstract: The present invention provides a control apparatus for a continuously variable transmission preventing a belt from slipping in a state where an engine is stopped. The control apparatus for a continuously variable transmission includes a continuously variable device, a friction coupling element, and a control part. While performing a cost stop control to stop a driving force source in a state where a vehicle is driven, the control part reduces a volume of transfer torque, which can be transferred by the friction coupling element, to be smaller than a volume of the belt as torque, which can be transferred by the belt with a supporting force through insertion of a pulley.
Patent KR-20170006006-A (KR)
Title: Dehumidification system
Inventor: KIM MIN SUNG
IPC: F24F7/08
Filed: 2015-07-07
Abstract: The present invention relates to a dehumidification system which can minimize the energy consumption because indoor air can be dehumidified without power consumption or condensation heat generation by moving the water molecules of the indoor air to outdoor air by using a porous separation membrane filter. In addition, since dehumidification is possible without introducing the outdoor air to the inside, there is no influence of an indoor air temperature by the outdoor air, and contaminants such as fine dust contained in the outdoor air can be prevented from being introduced to the inside.
Patent KR-20170006110-A (KR)
Title: System
Inventor: AHN JANG WON
IPC: G08B5/36
Filed: 2015-07-07
Abstract: The present invention relates to a system for transmitting music for public safety. The present invention usually manages a crime-ridden district through a CCTV, and plays a role as a security lamp at night. Especially, the present invention sets up predetermined time, transmits classic music to the crime-ridden district, and reduces fear for crime, thereby ameliorating a local atmosphere by constricting a crime psychology. The present invention relates to a public facility consisting of a multi-functional speaker system for crime prevention after sounding a siren by pressing an alarm bell and turning off a lamp in an emergency.
Patent KR-20170006644-A (KR)
Title: 의류처리장치
Inventor: LEE DONG SOO
IPC: D06F37/24
Filed: 2015-07-09
Abstract: 본 발명은 캐비닛 내부에 구비되어 물을 저장하는 터브, 상기 터브 내부에 회전 가능하게 구비되어 의류가 수용되는 드럼, 유입부를 통해 상기 터브 내부의 물을 공급받고, 내부로 유입된 물을 배출부를 통해 배출시키는 배수챔버, 상기 배수챔버 내부에 구비되며, 지면에 나란한 축을 통해 회전하는 임펠러, 상기 배수챔버를 상기 터브에 연통시키는 터브 연통부를 포함하는 의류처리장치에 관한 것이다.
Patent KR-20170008521-A (KR)
Inventor: BONG PIL WON
IPC: E03D9/08
Filed: 2015-07-14
Abstract: 본 발명은 비데의 모든 조작을 사용자가 직접 수동으로 조작시켜 사용할 수 있도록 한 수동 조작으로 작동되는 비데에 관한 것으로서, 
이는 사람이 앉을 수 있도록 중앙에 개구부(210)를 갖춘 좌판(200)과; 상기 좌판의 후단부 중앙 내측에는 세척을 하고자 하는 부위에 물을 분사시켜 줄 수 있는 노즐부(300)와; 상기 좌판의 후단부에 모든 부속품이 내장되는 케이스(400)로 구성된 비데(100)를 형성함에 있어, 상기 노즐부(300)를 세척 및 비데를 별도로 사용할 수 있도록 세정용노즐(310)과 비데용노즐(320)로 분리 형성하고, 상기 케이스의 일측면에 갖추어져 냉수관(520)과 온수관(530)이 각각 연결되어 유입되는 냉,온수를 혼합시켜 혼합수관(540)으로 배출시켜 줄 수 있도록 하는 개폐밸브(500)와; 상기 케이스의 일측에 갖추어져 혼합수관(540)과 연결되고, 노즐부의 세정용노즐과 비데용노즐에 각각 연결된 상태에서 방향조절레버(620)의 회전 방향에 따라 혼합수가 세척용과 비데용으로 분리 공급될 수 있도록 하는 방향조절밸브(600)와; 상기 냉수관(520)에 갖추어지는 분배기(550)와 연결되고, 양변기의 물탱크와 연결되어 물의 유입을 개폐시켜 주는 개폐밸브(570)와; 밧데리(900)의 전력을 사용하여 개폐밸브(570)를 전기적인 작동으로 인해 콘트롤 할 수 있도록 하는 콘트롤부(700)로 이루어진 것을 특징으로 한다.
Patent KR-20170008950-A (KR)
Inventor: JI YONG HAE
IPC: B63B3/44
Filed: 2015-07-15
Abstract: 횡동요 저감장치 및 이를 포함하는 선박이 개시된다. 본 발명의 실시예에 따른 횡동요 저감장치는 선체의 측면에 돌출 형성되되, 돌출 방향에 수직한 가상 평면 상에서 익형 단면을 가지는 빌지킬을 포함한다.
Patent KR-20150091274-A (KR)
Inventor: LUO CHIA CHING
IPC: F24S50/20
Filed: 2015-07-15
Abstract: The present invention relates to an automatic sun tracking adjustment/control apparatus of a photovoltaic power generation system. The automatic sun tracking adjustment/control apparatus includes: a support assembly; an axis rotation assembly which is arranged on the support assembly and can move two-dimensionally; a photovoltaic power generation module which is arranged on the support assembly by the axis rotation assembly and converts solar energy into electric energy; and two driving assemblies which are crossed by each other and are arranged between the support assembly and the photovoltaic power generation module. The driving assembly drives the photovoltaic power generation module to be inclined in various directions and at various angles depending on reference parameters pre-stored in a control unit. A detection/correction module is arranged on the photovoltaic power generation module and detects various parameters including inclination directions and inclination angles of the photovoltaic power generation module. The control unit compares the parameters with the reference parameters and adjusts the inclination direction and the inclination angle of the photovoltaic power generation module by changing operation of the driving assemblies.
Patent KR-20170011888-A (KR)
Title: Display device
Inventor: SUNG CHANG YONG
IPC: G02F1/1333
Filed: 2015-07-24
Abstract: Provided is a display device including a guide panel in which at least one moisture discharging structure is configured. The display device comprises a guide panel made of a display panel, a sidewall, and a support unit wherein the guide panel supports the display panel. The at least one moisture discharging structure is configured in the guide panel.
Patent KR-20160038717-A (KR)
Title: Solar cell and solar cell panel including the same
Inventor: HWANG SUNG HYUN
IPC: H01L31/02
Filed: 2015-07-27
Abstract: The present invention relates to a solar cell and a solar cell panel including the solar cell, which are capable of improving output power and reliability of a solar cell panel. A solar cell according to an embodiment of the present invention comprises: a semiconductor substrate; conductive regions which are located in the semiconductor substrate or on the semiconductor substrate; and electrodes which are connected to the conductive regions, and include a plurality of finger lines formed in a first direction and arranged in parallel with each other, and six or more bus bar lines formed in a second direction crossing the first direction and including at least portions having a width ranging from 35 to 350 um. The distance between first and second ends of the bus bar lines in the second direction is shorter than the distance between the outermost one of the finger lines on one side and the outermost one thereof on the other side in the second direction.
Patent KR-20170014380-A (KR)
Inventor: KIM EUN KYUNG
IPC: B63H25/42
Filed: 2015-07-29
Abstract: The present invention relates to a vessel in which one drive unit is selectively connected to any one of a plurality of gears to enhance the utility of the drive unit. According to the present invention, the vessel comprises: a hull; an air compressor injecting air to the bottom of the hull; a first gear connected to a drive shaft of the air compressor; a propeller mounted on the hull; a second gear connected to a driving shaft of the propeller; a drive unit driving a clutch gear; and a clutch drive unit engaging the clutch gear selectively with the first gear or the second gear.
Patent KR-20170014398-A (KR)
Inventor: SEOK TAE YOUNG
IPC: H04W52/02
Filed: 2015-07-30
Abstract: In the present disclosure, to increase a smooth signal access success rate, after an RRC access to an access point within a wireless network through an arbitrary random access is attempted within a predetermined time of an RRC timer (T300) defined in a 3GPP standard, when the RRC timer (T300) is expired by the predetermined number of times while the access fails, a first access request cell is registered in a blacklist, a second access request cell not registered in the blacklist and having a large signal intensity is sequentially selected, and the RRC access is reattempted, and when the RRC timer (T300) is not expired by the predetermined number of times, the second access request cell is selected, and a control processor configured to reattempt the RRC access is included, so that an RRC access success rate may be increased.
Patent KR-20170017493-A (KR)
Inventor: PARK KUE TAE
IPC: G06K19/07
Filed: 2015-08-07
Abstract: The present invention relates to a bio checking wearable device and a method of processing the same. The bio checking wearable device according to the present invention includes a plurality of biometric sensors to measure biometric information of a user in real time. The bio checking wearable device provides biometric information to a mobile terminal which a guardian or a manager possesses by using a wired or wireless communication network. In addition, when the measured biometric information deviates from a preset reference range, the bio checking wearable device automatically generates and stores recording data on an ambient environment or situation of the user and provides the recording data to the mobile terminal. According to the present invention, the recording data is provided to the guardian or the manager, and thus the recording data can be processed such that the guardian or the manager perceives a risky situation incurring on users such as infants, the elderly and infirm, the mentally and physically handicapped, preschoolers, military personnel, and patients.
Patent KR-20170017551-A (KR)
Inventor: CHO IN SHIK
IPC: A61L9/01
Filed: 2015-08-07
Abstract: The present invention relates to a gel-type detergent composition for removing molds and odors, which can remove molds which are present in the bathroom, in the gaps between tiles, in sink drains, around the toilet, and on silicone around bathtubs and window frames, etc. The detergent composition of the present invention has excellent antifungal effects with respect to fungal pathogens and yeasts, including Aspergillus niger, Penicillium pinophilum, Chaetomium globosum, Gliocladium virens and Aureobasidium pullulans, and is effective against the major sources of unpleasant odors, including ammonia, amines, hydrogen sulfides and mercaptans. According to the present invention, the detergent composition comprises potassium hydroxide and a gel-type sodium hypochlorite which does not drip even on vertical surfaces due to the gel-forming capacity of a polymer material contained therein, and the stability of sodium hypochlorite with respect to light, heat and metal is improved. Also, the present invention relates to a gel-type detergent composition, and more specifically, to a gel-type detergent composition for removing molds and odors which is prepared using a polymer material, a surfactant and an acidity regulator to thereby enhance the phase stability and the stability of sodium hypochlorite; is convenient to use without dripping on vertical surfaces; and can remove molds which are present in the bathroom, in the gaps between tiles, in sink drains, around the toilet, and on silicone around bathtubs and window frames, etc.
Patent KR-20170019618-A (KR)
Inventor: KIM HYUN JUNG
IPC: A61L15/46
Filed: 2015-08-12
Abstract: The present invention relates to an antibacterial dressing material, and a production method thereof. More specifically, provided are an antibacterial dressing material and a production method thereof. According to the present invention, the antibacterial dressing material contains a component capable of rapidly permeating cellular membranes, and thus deteriorates synthetability and structures of nucleic acid and proteins, thereby exhibiting excellent sterilizing and antibacterial functions.
Patent KR-20170019934-A (KR)
Inventor: NAM DONG WOO
IPC: A61B5/08
Filed: 2015-08-13
Abstract: A system for diagnosing a sleep state is provided. The system includes a microphone for measuring a sound signal generated around the neck of a sleeping person and a communication module connected to the microphone by a wire and receiving the sound signal, and diagnostic equipment for receiving the sound signal from the communication module by wireless communication and analyzing the received sound signal, and analyzing a sleep state including the sleep apnea state and the snoring state of the sleeper. So, the sleep state can be diagnosed without complicated calculation.
Patent KR-20170024238-A (KR)
Inventor: AHN JEOUNG HEE
IPC: G01M99/00
Filed: 2015-08-25
Abstract: The present invention relates to a test apparatus of a variable pitch blade assembly, firmly and precisely controlling a pitch angle even if the present invention has a simple structure, designing and manufacturing a variable pitch blade assembly randomly changing the pitch angle of a blade in accordance with operation characteristics of an aerial vehicle, and improving reliability by testing pitch angle control operation of the variable pitch blade assembly manufactured as described above.
Patent KR-20170024496-A (KR)
Inventor: LEE JONG DEUK
IPC: F21V3/04
Filed: 2015-08-25
Abstract: The present invention relates to a lighting apparatus that is to prevent lamp light from leaking to the outside of a diffuser plate. The present invention includes: a rod-shaped housing provided with a lighting substrate in the lower portion thereof and having an open portion so that a lamp can be mounted along a length direction upward from the lighting substrate; an upper housing covering a part of an upper portion of the open portion; a lower housing covering a part of a lower portion of the open portion; the diffuser plate capable of covering the open portion while being inserted into the open portion; and a supporting step formed in the lower housing and capable of supporting a lower end of the diffuser plate. The length of the diffuser plate exceeds the distance formed from a lower end of the upper housing to an upper end of the lower housing. The length of the diffuser plate falls short of the length of the open portion. The diffuser plate can be moved into the upper housing and into the lower housing when inserted into the open portion.
Patent KR-20170026782-A (KR)
Title: Wireless signal transmitting apparatus and wireless illumination control apparatus using the same
Inventor: PARK JIN SIK
IPC: H02M3/335
Filed: 2015-08-27
Abstract: According to an embodiment of the present invention, a power supply device comprises a direct current converting unit for converting a voltage level of inputted direct current power and an output unit for converting and outputting the output of the direct current converting unit. The output unit decreases and outputs the output of the direct current converting unit if the voltage level of the direct current power is higher than a reference level.
Patent KR-20160028378-A (KR)
Inventor: YAMAMOTO KENJI
IPC: C08L83/04
Filed: 2015-08-31
Abstract: The present invention provides: a silicone composition for a release paper or a release film of a addition reaction curing type which adds a release agent film suppressing the transition of a release agent, not having a bad influence on residual adhesive strength and peel strength, and having exposure resistance; and a release paper and a release film where a cured film in the composition is formed. A specific amount of one or more compounds selected from silane and the disiloxane having alkene and alkadiene having an unsaturated bond at a terminal end and an alkenyl group having an unsaturated bond at a terminal end is mixed into the silicone composition of a addition reaction curing type of the present invention.
Patent KR-20170027025-A (KR)
Inventor: LEE MYUNG JOO
IPC: F21V21/06
Filed: 2015-09-01
Abstract: A wireless charging battery for a desk lamp comprises: an auxiliary battery which receives a smartphone on an outer side thereof and can be recharged; a port unit which is provided on an outer side of the auxiliary battery and is connected to a power cable to enable power in the auxiliary battery to be transferred to the outside or external power to be transferred to the auxiliary battery so that the auxiliary battery can be charged; and a desk lamp part which is connected to the port unit and receives the power in the auxiliary battery to emit light. The purpose of the present invention is to provide a wireless charging battery for a desk lamp, which charges an auxiliary battery, charges a smartphone using the power in the auxiliary battery in a wireless manner, and has the desk lamp emit light, thereby having the desk lamp emit light to allow a user to use a desk lamp function if needed while charging a battery of a smartphone.
Patent KR-20160029689-A (KR)
Inventor: CHO SEONG MI
IPC: C07D405/10
Filed: 2015-09-02
Abstract: The present invention relates to a heterocyclic compound, and an organic light emitting device comprising the same. One embodiment of the present invention provides a compound represented by chemical formula 1. The organic light emitting device using the compound has improved efficiency and/or improved lifespan properties.
Patent KR-20170030368-A (KR)
Title: Knee air bag apparatus and method for manufacturing of knee air bag apparatus
Inventor: KANG I SEUL
IPC: B60R21/235
Filed: 2015-09-09
Abstract: Provided are a method for manufacturing a knee airbag apparatus, and a knee airbag apparatus blocking gas emission inside an airbag to maintain deployment pressure of the airbag. To this end, according to an embodiment of the present invention, the knee airbag apparatus comprises: the airbag expanded when gas is introduced; an airbag housing where the airbag is stored; and an inflator generating the gas, enabling a portion of the gas to be introduced into the airbag, and enabling the remaining gas to be disposed from the inside of the airbag housing to the outside of the airbag.
Patent KR-20170034991-A (KR)
Inventor: JEON JUNG OK
IPC: A23L17/40
Filed: 2015-09-21
Abstract: 본 발명은 연화문어육 및 그 가공방법에 관한 것으로써, 포획된 문어의 선도 및 이동성을 향상시킬 수 있도록 내장 제거 후 절단 하는 내장 제거 및 절단 단계(S1)와; 절단된 문어 개체에 부착된 불순물을 제거하기 위한 세척 단계(S2)와; 육지 내 가공 시설로의 원활한 운송 및 문어 개체의 경화를 방지할 수 있도록 급속 냉동시키는 1차 냉동 단계(S3)와; 냉동된 문어 개체를 가공하기 위하여 해동시키는 해동 단계(S4)와; 해동된 문어 개체의 경도를 조절하기 위하여 물에 투입한 후 가열하는 1차 가열 단계(S5)와; 가열된 문어 개체의 탄성을 조절하기 위하여 냉각시키는 냉풍냉각단계(S6)와; 냉각된 문어 개체의 함수율을 유지할 수 있도록 물에 투입하여 재 가열하는 2차 가열 단계(S7)와; 가열된 문어 개체의 보관성 및 이동성을 향상시킬 수 있도록 냉동시키는 2차 냉동/가공 단계(S8)로; 구성되어 별도의 첨가물 없이 문어를 가공함으로써 문어에 함유된 영양성분 및 풍미의 손실을 방지함과 동시에 문어 고유의 식감 유지 및 보관성을 향상시킬 수 있는 연화문어육 및 그 가공방법에 관한 것이다.
Patent KR-20170038589-A (KR)
Inventor: SONG NAM YONG
IPC: B62D65/14
Filed: 2015-09-30
Abstract: The present invention relates to a method for coupling panels, including: a step of forming a protrusion on at least one surface among the coupling surfaces of two panels to be coupled; a step of overlapping the two panels such that the coupling surfaces can be separated from each other by the protrusions; a step of coupling the two panels such that the two panels can be fixed to each other; and a step of coating the coupling surfaces where the protrusions are formed, by providing paint through a gap between the two panels separated from each other. Accordingly, the present invention is able to prevent corrosion of coupling surfaces by coating the coupling surfaces with paint.