baber/WOPTO huggingface dataset:
Patent KR-20110113259-A (KR)
Inventor: KIM WON MO
IPC: A23G3/48
Filed: 2010-04-09
Abstract: 본 발명은 미강을 주재료로 하는 과자 및 그 제조방법에 관한 것이다. 본 발명은 밀가루를 30% 이상, 많게는 100%까지 미강으로 대체한 미강을 주재료로 하는 과자 및 그 제조방법을 제공하는 것을 목적으로 하며, 본 발명에서는 일정하게 처리된 미강분말 30~100 중량%와 밀가루 70~0 중량%로 이루어지는 주재료와, 유지; 설탕; 소금; 계란; 및 베이킹파우더로 구성된 군으로부터 1종 이상 선택되는 부재료를 포함하는, 미강을 주재료로 하는 과자 및 그 제조방법이 제공된다. 본 발명의 미강을 주재료로 하는 과자는 미강을 다량으로 함유하면서도 맛이나 식감의 저하가 거의 없거나 오히려 향상되어 종래의 일반 과자를 대체하여 남녀노소 누구나 즐길 수 있으며, 현미식 대신 미강을 직접 섭취할 수 있는 손쉬운 방법으로 널리 이용될 수 있다.
Patent KR-20110114216-A (KR)
Inventor: LEE SEOK JOONG
IPC: C09K13/08
Filed: 2010-04-13
Abstract: 본 발명은 구리기반 금속배선막의 식각 조성물 및 이를 이용한 금속배선막의 패터닝 방법에 관한 것으로, 본 발명에 따른 식각 조성물은 과산화수소; 산화제; 불소화합물; 킬레이트제; 암모늄화합물; 및 전체 조성물 총 중량이 100 중량%가 되도록 하는 탈이온수를 함유하며, 상세하게, 과산화수소 3~35중량%; 산화제 0.1~5중량%; 불소화합물 0.001~2중량%; 킬레이트제 0.1~5 중량%; 암모늄화합물 0.001~5 중량%; 및 전체 조성물 총 중량이 100 중량%가 되도록 하는 탈이온수를 함유한다.
Patent KR-20110115479-A (KR)
Inventor: JEON BYUNG HEE
IPC: B01D25/00
Filed: 2010-04-15
Abstract: 본 발명은 샘플로부터 타깃을 분리하기 위한 미세유체장치를 개시한다. 본 발명은 캐비닛, 제1 필터링장치와 제2 필터링장치로 구성되어 있다. 캐비닛은 복수의 논타깃들과 복수 유형의 타깃들을 포함하고 있는 샘플의 흐름을 위한 제1 통로와 제2 통로가 내측에 형성되어 있고, 샘플을 제1 통로에 공급하기 위한 도입구가 상부에 형성되어 있으며, 제1 통로와 제2 통로로부터 샘플을 배출하기 위한 배출구가 하부에 형성되어 있다. 제1 필터링장치는 제1 통로의 상류에 샘플로부터 복수 유형의 타깃들을 여과하도록 설치되어 있고, 여과되는 복수 유형의 타깃들을 제2 통로로 유도한다. 제2 필터링장치는 제2 통로에 제1 필터링장치로부터 복수 유형의 타깃들을 받아들여 크기에 따라 여과한다. 본 발명에 의하면,  샘플에 포함되어 있는 복수 유형의 타깃들을 크기에 따라 효율적으로 여과하여 분리할 수 있다. 또한, 논타깃들과 타깃들을 전처리에 의하여 논타깃들을 제거한 후, 전처리에서 획득한 타깃들을 후처리에 의하여 분리하므로, 인간의 혈액 등으로부터 세포를 분리하여 채취하는데 매우 유용하게 사용될 수 있다.
Patent KR-20110119070-A (KR)
Title: Stone sludge sorting machine
Inventor: YANG SEUNG HYEON
IPC: B02C23/08
Filed: 2010-04-26
Abstract: PURPOSE: A stone sludge sorting apparatus easily transfers a stone sludge into the accommodation space in the sorting network of a sorting part. CONSTITUTION: A main body(510) is communicated with one side of a transfer part(30). A sorting network is prepared inside the main body to be rotated. The transfer part transfers the stone sludge into the main body. The internal diameter size of an accommodation space gradually becomes larger from one side of the inside of the main body to the other side. The internal diameter size of an outlet gradually becomes smaller from one side to the other side of the inside of the main body. An exhaust pipe(550) is communicated with the lower part of the main body. The stone sludge is exhausted from the outside direction of the lower part of the main body through the exhaust pipe.
Patent KR-20110120693-A (KR)
Inventor: CHO YONG DUCK
IPC: G08G1/09
Filed: 2010-04-29
Abstract: PURPOSE: A system for transmitting on/off status information of a traffic signal lamp and a method thereof are provided to enable a server to manage the status of a traffic signal controller in real time, thereby managing automatic setup or manual setup. CONSTITUTION: A vehicle terminal(700) receives current on/off status information of a traffic signal lamp. A traffic information server(400) receives a traffic signal on/off status information request including current location information and analysis information about where to go from the vehicle terminal. The traffic information server extracts a preset number from a traffic signal controller to generate first prediction traffic signal controller information. A plurality of traffic signal controllers(100) periodically transmits traffic signal data to the traffic information server. The traffic signal controllers are formed in a traffic signal lamp(200).
Patent KR-20110123047-A (KR)
Title: Device for brake energy regeneration of hybrid vehicle and the driving method thereof
Inventor: SUNG BYUNG JUN
IPC: B60L7/22
Filed: 2010-05-06
Abstract: PURPOSE: An apparatus for regenerative braking of hybrid vehicles and an operation method thereof are provided to control clutch and retarder motions according to the size of motor charging torque and brake requirement torque, thereby constantly maintaining a braking sense through mechanical braking power. CONSTITUTION: A motor(12) charges a high voltage battery(17) during regenerative braking. A clutch(13) transfers or blocks power between an engine(11) and the motor. A transmission(14) varies car speed according to drive torque generated in the motor and engine. A retarder(15) is placed between the transmission and a drive wheel(16). The retarder is operated as a supplementary brake.
Patent KR-20110123909-A (KR)
Title: Metal-deposited nano fiber complex and method of manufacturing the same
Inventor: KIM CHAN
IPC: D04H1/44
Filed: 2010-05-10
Abstract: PURPOSE: A metal-deposited nanofiber complex and a method for manufacturing the same are provided to obtain an electromagnetic wave shielding function by depositing a metal on nanofiber web which is obtained by spinning a fiber-forming polymer. CONSTITUTION: A metal-deposited nanofiber complex includes nanofiber, nanofiber web, and a metal layer. The nanofiber is obtained by spinning a fiber-forming polymer, and the diameter of the nanofiber is less than 1um. The nanofiber web includes micro pores. The metal layer is formed on one side or both sides of the nanofiber web not to cover the micro pores. Base fabric is further included in the complex in order to improving handling characteristic. A method for manufacturing the complex includes the following: A spinning solution is prepared(S1). The nanofiber web is formed by spinning the spinning solution(S2, S3). The metal layer is formed(S5).
Patent KR-20110047110-A (KR)
IPC: G03F1/64
Filed: 2010-05-17
Abstract: PURPOSE: A jig for peeling a pellicle and peeling method hole the location of a pellicle on a photo mask during a process of eliminating a mask adhesive layer, thereby preventing the surface of the photo mask from being damaged by preventing the contact between the pellicle and the photo mask. CONSTITUTION: A jig(10) for peeling a pellicle are arranged on a pellicle(12) and a photo mask(11). A fixing member fixes the jig to the photo mask. The fixing member includes a first arm(14a) with a contact surface and a second arm(14b) with a pressurizing member. An adhesive layer(16) fixes the jig to the pellicle. An adhesive forming the adhesive layer uses a silicon resin.
Patent KR-20110127876-A (KR)
Title: Supporter for conveyor roller assembly
Inventor: NA BOK NAM
IPC: B65G15/02
Filed: 2010-05-20
Abstract: PURPOSE: A roller assembly for a conveyor is provided to enable a roller to be easily replaced through the release of a shaft since one side of a fixed ring is separated from the shaft and the other side of the fixed ring is separated from a bearing frame. CONSTITUTION: A roller assembly for a conveyor comprises a roller unit, and a roller support. The roller support comprises a fixed frame(310), and bearing frames(320). The bearing frames are installed on both sides of the fixed frame. The bearing frame comprises a fixing ring(500) fixing a roller(201). The bearing frame comprises a post and a support unit. The post is vertically installed on the fixed frame. The support unit is bent on the post and forms a mounting groove holding the shaft of the roller and a pair of fitting grooves holding the fixing ring. The fixing ring comprises a bending unit, a pressure unit, and a folding unit.
Patent KR-20100125196-A (KR)
Title: Coating compositions for use with an overcoated photoresist
Inventor: ZAMPINI ANTHONY
IPC: H01L21/027
Filed: 2010-05-20
Abstract: PURPOSE: A coating composition is provided to be applied by spin-coating(spin-on composition), to be mixed as a solvent composition, and to be useful as a planarization or via-fill composition. CONSTITUTION: A cyanurate compound comprises the substitution of a plurality of cyanurate nitrogen rings by separate carboxy and/or carboxy ester group. The compound is represented by chemical formula I. In chemical formula I, at least two of R^1OOC(CX_2)_n-, R^2- and R^3OOC(CX_2)_m- radicals are different acidor ester group; R^1, R^2, R^3 and each X are independently hydrogen or non-hydrogen substituent; and n and m are the same or different and are a natural number.
Patent KR-20100129199-A (KR)
Title: Organic el display apparatus
Inventor: KODAMA MITSUFUMI
IPC: H01L51/52
Filed: 2010-05-27
Abstract: PURPOSE: An organic electroluminescence display apparatus is provided to firmly bond a sealing plate to a substrate by radiating ultraviolet ray toward the rear side of the substrate in order to harden an adhesive between the sealing plate and the substrate. CONSTITUTION: A plurality of organic electroluminescence elements is two-dimensionally arranged on a substrate(11) in order to form a displaying part(12). A sealing plate(13) is boned to cover the displaying part using an adhesive. An integrated circuit(15) drives the displaying part. A flexible printed circuit board(16) is in connection with the integrated circuit. A line shaped protrusion(31) is located in an adhesive region.
Patent KR-20110131421-A (KR)
Title: Apparatus for removing chips
Inventor: HONG PIL SIK
IPC: B23B25/02
Filed: 2010-05-31
Abstract: PURPOSE: A chip removing device is provided to easily remove chip or dust depending on the kind and shape of a workpiece by controlling the spraying direction and angle of air by connecting an air nozzle to an air pipe. CONSTITUTION: A chip removing device comprises a housing(100), a working table(200), an air spraying unit(300), a vacuum suction unit(400), a cover, and an operating knob(600). The working table is installed in the housing. A workpiece is placed on the working table. The air spraying unit sprays air to the workpiece placed on the working table to remove dust or chips of the workpiece. The vacuum suction unit is connected to the chip discharging hole of the housing. The vacuum suction unit sucks dust or chips removed from the workpiece. The cover opens and closes the top of the housing.
Patent KR-20110134648-A (KR)
Title: Chinese dioscorea chocolate composition and manufacturing method thereof
Inventor: LEE MYUNG KI
IPC: A23G1/48
Filed: 2010-06-09
Abstract: PURPOSE: A dioscorea batatas chocolate composition, and a producing method thereof are provided to offer the soft matter property and high palatability of the composition to users. CONSTITUTION: A producing method of a dioscorea batatas chocolate composition comprises the following steps: inserting dark chocolate into a mold after tampering, and hardening before removing the inside chocolate for forming hollow holes; injecting a mixture of dioscorea batatas and tampered white chocolate into the hollow holes, and inserting the dark chocolate on the upper side of the mixture; and cooling the obtained chocolate for 10-60 minutes at 0-10 deg C.
Patent KR-20110134783-A (KR)
Title: Cholesteric liquid crystal display device and method for manufacturing thereof
Inventor: KIM JAE HOON
IPC: G02F1/13
Filed: 2010-06-09
Abstract: PURPOSE: A cholesteric liquid crystal display device and manufacturing method thereof are provided to increase the contrast ratio and response speed and to simplify manufacturing processes. CONSTITUTION: A first substrate(110) is faced with a second substrate(210). A liquid crystal layer(3) is formed between the first substrate and the second substrate. A first electrode(191) is formed on the first substrate. A second electrode(270) is formed on the second substrate. A liquid crystal layer is composed of a cholesteric liquid crystal having the dielectric anisotropy of the negative principle. The cholesteric liquid crystal has pitch which is between 250nm and 450nm.
Patent KR-20100135181-A (KR)
Title: Memory device and memory
Inventor: YAMANE KAZUTAKA
IPC: H01L27/108
Filed: 2010-06-10
Abstract: PURPOSE: A memory device and a memory are provided to improve the dielectric breakdown voltage of the memory device and suppress a current flowing through the memory device during a recording process. CONSTITUTION: A memory layer(17) maintains information according to the magnetized state of a magnetic material. A first middle layer and a second middle layer are arranged on both the upper side and the lower side of the memory layer. A first pinned layer(31) is arranged to the opposite side of the first middle layer side memory layer. A second pinned layer(32) is arranged to the opposite side of the second middle layer side memory layer. A non-magnetic conductor layer(18) is arranged between the memory layer and either layer of the first middle layer or the second middle layer.
Patent KR-20110136022-A (KR)
Title: Augmented reality device to recognize the object using color-space coupling
Inventor: KIM JAE HYUNG
IPC: G06T7/00
Filed: 2010-06-14
Abstract: PURPOSE: An augmented reality apparatus for recognizing an object through a color space combination is provided to recognize an object within video data in a marker mode. CONSTITUTION: An object area recognition unit(150) recognizes an object area. A color space determination unit decides a reference color space combination value about the recognized object area. A color space confirmation unit(165) confirms a color space combination transformation value.
Patent KR-20110136321-A (KR)
Title: Under water structure building and maintenance and reinforce method using water tightened caisson
Inventor: BAE HYUNG JIN
IPC: E02D23/02
Filed: 2010-06-14
Abstract: PURPOSE: A method for establishing, repairing, and reinforcing an underwater structure using a watertight caisson is provided to easily remove a caisson after the establishing, repairing, and reinforcing works of an underwater structure. CONSTITUTION: A method for establishing, repairing, and reinforcing an underwater structure using a watertight caisson is as follows. A watertight assembly(101) is fixed to the bottom edge of a caisson(100). Screw revolving units(102) are installed in the inner bottom edge of the watertight assembly at uniform intervals. Nuts(200) of a reinforcement structure are coupled to screws(104) of the screw revolving units. A ground excavation work is performed. The bottom of a caisson is buried in the underwater ground. Water is injected into a buoyancy tank(105) of the caisson. A watertight reinforced concrete structure(203) is formed by installing a form in the inner side of the buried reinforcement structure and placing and curing watertight concrete.
Patent KR-20110137460-A (KR)
Title: 레이저 리페어 장치 및 그 리페어 방법
Inventor: KIM WON OK
IPC: B23K26/042
Filed: 2010-06-17
Abstract: 본 발명은 디스플레이 패널의 생산 수율을 향상시킬 수 있는 레이저 리페어 장치 및 이를 이용한 디스플레이 패널 불량 보수 방법에 관한 것으로, 레이저 빔을 발진하는 레이저 발진부와; 상기 레이저 발진부에 의해 발진된 레이저 빔의 크기를 확장시켜 디스플레이 패널의 불량 부위의 크기에 맞도록 조절하는 빔 익스팬더와; 상기 빔 익스팬더를 통과한 레이저 빔을 상기 디스플레이 패널의 불량 부위 측으로 조사하도록 레이저 빔의 방향을 조절하는 복수의 광학부와; 상기 광학부에서 반사된 레이저 빔이 상기 디스플레이 패널의 불량부위에 조사되는 위치가 선택적으로 조절될 수 있도록 상기 디스플레이 패널의 판면 방향을 따라 이동가능하게 설치되며 상기 레이저 빔의 일부가 통과되도록 하는 슬릿이 구비되며, 상기 디스플레이 패널의 불량 부위의 형상을 스캐닝 하는 스캐닝부와; 상기 스캐닝부의 슬릿을 통과한 레이저 빔을 집광시켜 상기 디스플레이 패널의 불량 부위에 집광된 레이저 빔을 조사할 수 있도록 구비되는 대물렌즈를 포함하여 구성됨으로써, 디스플레이 패널 불량부위의 윤곽을 스캐닝하는 장치 및 슬릿을 신속하게 이동시키는 간단한 장치만을 이용하여 디스플레이 패널의 제조 과정에서 발견된 결함을 효과적으로 제거하여 디스플레이 패널의 생산성을 높이고 불량률을 감소시킬 수 있는 효과가 있다.
Patent KR-20110139923-A (KR)
Title: Shaft locking system for a ship
Inventor: PARK HYUN SANG
IPC: B63H23/35
Filed: 2010-06-24
Abstract: PURPOSE: A shaft locking unit for a ship is provided to prevent the lift of a propelling shaft by reaction force since a locking unit and a stopper unit are installed on the base at the lower part of the propelling shaft movably in an optimized structure. CONSTITUTION: A shaft locking unit for a ship comprises base(10), a sliding unit(20), a stopper unit(30), and a locking unit(40). The base is arranged on the lower part of the connecting flange of a propelling shaft. The sliding unit is arranged on the base, and a sliding plate moves on one side and the other side of the sliding groove on the top of the sliding unit. The stopper is installed on one sliding plate and is assembled to one side of the connecting flange through the stopper. The locking unit is installed on the other sliding plate and is assembled to the other side of the connecting flange through a locking link.
Patent KR-20120007178-A (KR)
Title: Fog-lamp for vehicles of one body led type
Inventor: KIM WAN SIK
IPC: F21Y101/02
Filed: 2010-07-14
Abstract: PURPOSE: An LED integrated type fog lamp for vehicles is provided to discharge internal heat to the outside by rapidly cooling the heat by using a heat sink plane, thereby preventing damage of LED module components due to high temperature generated from an LED module. CONSTITUTION: A fog lamp main body(100) is comprised of a base housing(110) and a middle housing(120). A heat dissipation hole cover(116) discharges internal heat generated from a LED light source part. An LED module is controlled by a main controller(400). A light transmitting cover part(300) is arranged in order to emit light to the front side of a car by being combined in the front side of the fog lamp main body. The light transmitting cover part is comprised of a light transmitting guide cover(310), a light focusing lens(320), and a light transmitting window(330).
Patent KR-20120009553-A (KR)
Title: Aqueous polyurethane dispersed solution for sizing agent and method for processing thereof, and the sizing agent for glass fiber containing the same
Inventor: JUNG CHO NAM
IPC: C08G18/28
Filed: 2010-07-19
Abstract: PURPOSE: A manufacturing method of aqueous polyurethane dispersant is provided to have excellent tensile strength, flexural strength, and shock resistance, and not to be easily yellowed by heat, without a solvent-removing process. CONSTITUTION: A manufacturing method of an aqueous polyurethane dispersant comprises: a step of reacting organic polyisocyanate containing a polyol, a compound including OH-containing hydrophilic non-ionic group, a monofunctional blocking compound, and bi or more functional isocyanate groups; a step of dispersing the mixture in other tank containing water by an inline mixer; a step of chain extension by reacting with the bi or more functional isocyanate groups by adding a compound having a poly amine group containing sulfonated, and a solution, in which a compound containing bi or more functional hydroxyl group or amine group is dissolved.
Patent KR-20120010290-A (KR)
Inventor: PARK JEONG JOO
IPC: A47J45/10
Filed: 2010-07-24
Abstract: PURPOSE: A tong for a food container is provided to stably support a food container with less power by supporting the two spots of the food container. CONSTITUTION: A tong for a food container comprises a pair of tong rods(5). A pair of tong rods comprises a pair of heads(3,4). A pair of heads comes close to each other or is separated from each other. An extension piece(6) is formed in a head which suports the outer surface of the food container. The extension piece is expanded from the head to the lower part thereof. A resilient plate(7) is formed at the end of the extension piece. The outer circumference of the food container can be elastically supported by the resilient plate.
Patent KR-20120011460-A (KR)
Title: Synthesis of ordered mesoporous graphitic carbon materials with pore structure
Inventor: OH YOUNG JOO
IPC: B01J20/28
Filed: 2010-07-29
Abstract: PURPOSE: A method for synthesizing a crystalline carbon material with a mesopore structure is provided to increase the electric conductivity of the crystalline carbon material through a mixing process, a thermal treating process, and a silica eliminating process. CONSTITUTION: Silica, a precursor, surfactant, a carbon precursor, a polymer initiator, a binding material, and a transition metal precursor are mixed with a solvent. The mixture is dried to thermally treated under inert gas atmosphere. A silica material is eliminated from the thermally treated material. The mixing process is implemented at a temperature between 30 and 100 degrees Celsius. The content of the transition metal is 1-10 wt% of the carbon content in the carbon precursor. The content of the silica precursor is 3-10 wt% of the solvent. The content of the carbon precursor is 1-5 wt% of the solvent. The content of binding material is 5-20 wt% of the silicon precursor. The thermal treating process is implemented at a temperature between 800 and 1000 degrees Celsius.
Patent KR-20120012878-A (KR)
Inventor: PARK JI HYUN
IPC: A46B15/00
Filed: 2010-08-03
Abstract: 본 발명은 치실이 구비된 칫솔에 관한 것으로, 몸체 상단부에는 칫솔모로 형성되고, 상기 몸체 중앙에는 연결부를 설치하여 결합부가 착탈이 가능하도록 형성되고, 상기 몸체 후면에는 'U' 형의 고정부를 일체형으로 설치하여 치약이 고정되어 사용이 가능하도록 형성하므로서, 사용자가 칫솔질을 할 경우 고정부에 위치한 치약을 분리하여 사용하거나 하단부에 위치한 치실을 사용이 가능하도록 형성하여 사용자가 불편함 없이 칫솔질과 치실질을 모두 사용이 가능하도록 한 치실이 구비된 칫솔에 관한 것이다.
Patent KR-20120013145-A (KR)
Title: A triple layer stone panel and the manufacturing method
Inventor: LEE SOOK
IPC: B32B9/04
Filed: 2010-08-04
Abstract: PURPOSE: A triple stone layered panel is provided to have excellent impact resistance, and to restrain the delamination of stone layers. CONSTITUTION: A triple stone layered panel comprises a first slate layer(10) to a third slate layer(25), which consist of the same kind of the native rock of same class or two kinds of class, triple-stacked and combined. Between the first slate layer to the third slate layer, adhesion-reinforcement layer(5) of high strength glass fiber or carbon fiber for reinforcing the strength of panel and for bonding slate layers is formed. A second slate layer(20) in the middle of the panel, and the third slate layer consist of native rock having same level.
Patent KR-20120015740-A (KR)
Title: Mobile terminal and method for manufacturing the same
Inventor: LIM CHEOL HO
IPC: H04M1/02
Filed: 2010-08-13
Abstract: PURPOSE: A mobile terminal manufacturing method and a mobile terminal thereof are provided to enhance the hardness of a mobile terminal case. CONSTITUTION: A basic material member is manufactured in a case shape(S510). The basic material member is manufactured in one of a die casting process, an injection molding process, or a rolling process. A hard anodizing layer is laminated in a hardness increasing target area on the basic material member surface(S520). A soft anodizing layer is laminated in a coloring target area on the basic material member surface(S530).
Patent KR-20120017178-A (KR)
Title: Solution supplying apparatus
Inventor: PARK GUI SU
IPC: H01L21/027
Filed: 2010-08-18
Abstract: PURPOSE: A drug solution supplying apparatus is provided to offer collection drug solution having stable concentration from a collection tank to a supply tank by multiplying the concentration of drug solution. CONSTITUTION: A main supply tank stores drug solution for substrate processing. The main supply tank comprises a first exhaust pipe for controlling internal pressure of the tank. An undiluted solution preparation tank is connected to the main supply tank and offers the drug solution to the main supply tank. A collection tank(300) comprises a heater, a gas supply pipe, and a third exhaust pipe. The collection tank is connected to the main supply tank and offers the drug solution which is collected to the main supply tank. The gas supply pipe comprises a plurality of openings and supplies gas to the inside of the drug solution.
Patent KR-20120017955-A (KR)
Title: Method for resistance spot welding of plating steel
Inventor: KIM YOUNG GON
IPC: B23K11/11
Filed: 2010-08-20
Abstract: PURPOSE: A resistance spot welding method of galvanized steel materials is provided to reduce cracks on a surface of a welding part when welding is performed in a current range that surface expulsion occurs. CONSTITUTION: A resistance spot welding method of galvanized steel materials is as follows. Electrode is pressed to the galvanized steel material and touched with the plated steel. The pre-current pulse having a first amplitude is to the electrode applied for a second hour. The plated steel is frozen for a third time. The welding current pulse having a second amplitude is applied in electrode for a fourth time. The approval of the welding current pulse is interrupted. A pressing force of the electrode on the galvanized steel material is maintained for a fifth hours.