baber/WOPTO huggingface dataset:
Patent KR-20110125164-A (KR)
Title: Multi-direction change-over valve
Inventor: KANNOO TAKESHI
IPC: F16K31/04
Filed: 2011-02-23
Abstract: PURPOSE: A multi-directional conversion valve is provided to secure enough coolant flow amount by forming a notch on a valve. CONSTITUTION: A multi-directional conversion valve comprises a valve housing, a valve body(50), and an actuator. A lateral protrusion(54a) is formed in a valve body. A lateral protrusion forms a passage by being projected to outside of a radius direction of a rotary shaft. A base protrusion(54b) is extended from the lateral protrusion and protruded to the projection direction and reverse direction of the lateral protrusion.
Patent KR-20120097585-A (KR)
Inventor: YEO HEUNG GYU
IPC: F24C7/08
Filed: 2011-02-25
Abstract: PURPOSE: A multi-functional energy saving range and a heating method using the same are provided to dry food garbage using waste heat with an automatic heating control function and an automatic stirring function. CONSTITUTION: A multi-functional energy saving range comprises a body(101), a first power control unit, an input unit, and a controller. A plurality of heating units(110) is mounted to an upper part of the body, and heats containers. The first power control unit comprises a first switch and a first level regulator. The first switch supplies or shuts off power to the heating units. The first level regulator regulates the intensity of supplied electricity. The heating information about on/off of the heating units or an operational level is inputted into the input unit. The controller controls the first power control unit based on the heating information.
Patent KR-20120097674-A (KR)
Title: Health information guide device of health and rehabilitation functional game system based on natural interaction
Inventor: KIM YOUNG KOOK
IPC: G06Q50/22
Filed: 2011-02-25
Abstract: PURPOSE: A device for guiding exercise with a health and rehabilitation game system based on natural interaction is provided to store modeling information for exercise, movements of muscles, and a skeleton of a human body, thereby selecting game contents which are automatically matched when a user inputs goal exercise information. CONSTITUTION: An exercise analysis evaluation module(100) analyzes a movement image of a user recorded from a vision camera(30). The exercise analysis evaluation module extracts exercise information for a muscle and a skeleton generated by human body modeling. The exercise analysis evaluation module in real time evaluates the exercise information of the user by comparing the extracted exercise information and the exercise information stored in an exercise database(110). [Reference numerals] (10) Mat type sensor; (100) Exercise analysis evaluation module; (110) Exercise database; (20) Attachment type sensor; (30) Vision camera; (40) Monitor; (50) Game module; (60) Game database; (70) Keypad
Patent KR-20110103331-A (KR)
Inventor: MATSUDO TATSUO
IPC: H01L21/324
Filed: 2011-03-03
Abstract: 광로 길이를 설정하기 위한 번잡한 조작이 불필요하고, 또한 온도 측정 대상물의 제약이 적어 적용 범위가 넓은 온도 측정용 프로브를 제공한다. 저 간섭성 광의 간섭을 이용한 온도 측정용 프로브로서, 온도 측정 대상물의 표면에 접촉되어 온도 측정 대상물과 열적으로 동화되는 접촉 부재(71)와, 접촉 부재(71)에 저 간섭성 광으로 이루어지는 측정광(74)을 조사하고, 접촉 부재(71)의 표면으로부터의 반사광(75a) 및 이면으로부터의 반사광(75b)을 각각 수광하는 콜리메이터(72)와, 접촉 부재(71) 및 콜리메이터(72)와의 간격을 소정의 길이로 규정하고 또한, 측정광(74) 및 반사광(75a, 75b)의 광로를 측정 대상물이 놓여진 분위기로부터 격리하는 통 형상 부재(73)를 가지는 온도 측정용 프로브를 제공한다.
Patent KR-20110103334-A (KR)
Inventor: TSUKAGOSHI SHINICHI
IPC: G09G5/00
Filed: 2011-03-08
Abstract: (과제) 2개의 화상 처리 장치를 이용하여, 고가의 화상 처리 장치를 이용하는 일 없이, 화상의 사이즈 변경 처리 및 위치 조정 처리를 효율 좋게 행할 수 있는 화상 표시 장치를 제공한다. 
(해결 수단) 입력 화상의 사이즈 변경 처리를 행하는 전단(前段) 화상 처리 장치(3)와, 상기 전단 화상 처리 장치(3)로부터 출력되는 화상 정보의 위치 조정 처리를 행하는 후단(後段) 화상 처리 장치(5)를 구비하고, 후단 화상 처리 장치(5)는, 화상의 위치 조정 처리가 확정되었을 때에, 이 위치 정보를 전단 화상 처리 장치(3)에 출력하고, 전단 화상 처리 장치(3)는, 후단 화상 처리 장치(5)에서 설정된 위치 정보를 반영하여, 입력 화상 정보에 대하여 위치 조정의 설정을 행하도록 구성되어 있다.
Patent KR-20120102984-A (KR)
Title: Ruthenium catalyst supported on porous carbon support synthesized by a surfactant-templating method, preparation method thereof and production method for gamma-butyrolactone using sais catalyst
Inventor: SONG IN KYU
IPC: B01J37/08
Filed: 2011-03-09
Abstract: PURPOSE: A ruthenium catalyst supported on porous carbon support synthesized by a surfactant-templating method, a method for preparing the same, and a method for producing gamma-butyrolactone using the catalyst are provided to activate the hydrogenation of succinic acid. CONSTITUTION: A method for preparing a ruthenium catalyst supported on porous carbon support includes the following: a carbon precursor and a surfactant are dissolved in an acid solution, and a silica precursor is added into the dissolved solution to obtain a carbon/surfactant/silica complex; the complex is dried and aged at a temperature between 80 and 120 deg C under an air condition to obtain partially carbonated carbon/surfactant/silica complex; the partially carbonized complex is treated with a sulfuric acid aqueous solution; the treated complex is washed, filtered, and carbonated at a temperature between 800 and 1000 deg C; silica template components are eliminated from the carbonated complex based on hydrofluoric acid to obtain a porous carbon support; and a ruthenium precursor is impregnated in the porous carbon support. [Reference numerals] (AA,BB,CC) Sucrose; (DD) Hydrothermal synthesis; (EE) Silica precursor; (FF,HH) Heat; (GG) Surfactant silica precursor; (II) Carbon slurry; (JJ) Carbon/silica slurry; (KK) Carbon/silica/surfactant slurry; (LL,MM,OO) Carbonization; (NN,PP) Hydrofluoric acid treatment; (QQ) Carbon support manufactured by a hydrothermal method; (RR) Carbon support manufactured by a templating method; (SS) Carbon support manufactured by a surfactant-templating method
Patent KR-20120109002-A (KR)
Title: Projection lens
Inventor: KIM DONG HA
IPC: G02B13/18
Filed: 2011-03-24
Abstract: PURPOSE: A projection lens is provided to reduce the thickness of the whole projection system. CONSTITUTION: A first group lens part(G1) is comprised of a telecentric lens(10) and a achromatic lens part(20). The first group lens part has positive power. A second group lens part(G2) is comprised of an aperture, a first lens(30), and a second lens(40). The second group lens part has the positive power. A third group lens part(G3) corrects distortion aberration of beam which is entered from the second group lens part using an aspherical lens(50). [Reference numerals] (SC) Screen
Patent KR-20120109030-A (KR)
Title: A circuit for mitigating electromagnetic interference in input stage of a driver ic
Inventor: LEE YOUNG WUK
IPC: B60Q1/04
Filed: 2011-03-24
Abstract: PURPOSE: An EMI removal circuit for an input terminal of a driver IC is provided to prevent malfunction by eliminating EMI noise in a low frequency band of an input terminal of a head lamp. CONSTITUTION: An LC filter(110) includes an inductor(L1) connected between a power input port of a driver IC(140) and a power supply passed through a diode, and a capacitor(C5) connected between the power input port and the ground. A plurality of capacitors(C1-C4) is connected between the ground the power supply of the driver IC. A first resistor(120) and a second resistor(130) absorb EMI noise.
Patent KR-20120110602-A (KR)
Inventor: KIM CHAN SIG
IPC: F02F1/18
Filed: 2011-03-30
Abstract: 본 발명은 예초기에 적용되는 엔진의 구조에 관한 것이다. 
본 발명의 실시 예는, 연료를 연소실 내부에서 연소시켜 동력을 발생시키는 엔진과, 상기 엔진의 동력을 회전하는 로터와, 상기 로터가 발생시키는 회전력을 사용자의 선택에 따라 커터날로 전달여부를 제어하는 클러치와, 사용자가 손으로 파지하여 작업위치와 방향을 제어가능한 몸체파이프와, 상기 몸체파이프를 통해서 전달된 회전력으로 회전하는 커터날을 포함하여 구성되는 예초기에 있어서, 상기 엔진에는, 내부에서 폭발행정이 이루어지는 실린더 홀과, 외부 공기 흡입되는 흡기과, 폭발행정후 배기가스를 배출하는 배기공과, 그리고 열을 외부로 발산시키는 방열판이 형성되고, 엔진의 외형을 형성하는 엔진 블럭과; 상기 실린더 홀에 삽입되어, 실린더 홀의 내벽을 형성하는 실린더 라이너;를 포함하여 구성되는 것을 특징을 하는 예초기의 엔진구조. 
이와 같은 구성을 가지는 본 발명의 실시 예에 의하면, 엔진블럭에 형성된 실린더 홀에 경도향상을 위한 별도의 도금을 요하지 아니하는 예초기를 제공하는 것이다.
Patent KR-20120111383-A (KR)
Title: Method and apparatus for manufacturing plate using the waste resin composition pallet of the same
Inventor: WI JAE YOUNG
IPC: C08J5/00
Filed: 2011-03-31
Abstract: PURPOSE: A manufacturing method of a palette using waste resin is provided to reduce production cost by using waste resin which is industrial waste and to provide palette with excellent stability and durability by high cohesive force thereof. CONSTITUTION: A manufacturing method of a palette using waste resin comprises: a step(S10) of preparing waste synthetic resin(11) by melting, cooling and grinding the waste resin, and preparing a mixed powder in which powdery lime(CaO), silica(SiO2), alumina(Al2O3), iron oxide(Fe2O3), magnesium oxide(MgO) and sulfuric anhydride(SO3) are mixed; a step(S20) of forming a mixture(21) by mixing the waste synthetic resin and the mixed powder through a melter; a step(S30) of cooling the mixture; and a step of molding the mixture to a palette(40) through a deformed extrusion mold. [Reference numerals] (S10) Step of preparing waste powder(11) and mixed powder(12); (S20) Mixing step forming a mixture(21); (S30) Cooling step decreasing the temperature of the mixture(21); (S40) Molding step forming a palette(40)
Patent KR-20120115039-A (KR)
Title: Method for conducting a survey and thereof affiliate terminal
Inventor: ROH JUNG HWA
IPC: G06Q20/20
Filed: 2011-04-08
Abstract: PURPOSE: A survey inquiry method and a member store terminal thereof are provided to allow a member store to easily perform desired survey inquiry by using a signature input pad installed in the member store terminal. CONSTITUTION: A memory stores survey inquiry words and survey inquiry response information about the survey inquiry words. When a transaction of a client card is proceed, a controlling unit(105) outputs the stored survey inquiry words on a signature input pad. The controlling unit inputs the survey inquiry response information about the outputted survey inquiry words through the signature input pad. The controlling unit controls to be stored the survey inquiry response information in the memory. [Reference numerals] (100) Member store terminal; (105) Controlling unit; (110) Outputting unit; (115) Inputting unit; (120) Communication processing unit; (125) Memory unit; (130) Payment mediating server; (135) Card company server; (AA) Signature input pad; (BB) Key input means; (CC) Payment network
Patent KR-20120116251-A (KR)
Title: Attaching/detaching type door protector
Inventor: CHOI SEUNG SOO
IPC: E06B7/36
Filed: 2011-04-12
Abstract: PURPOSE: A protector for a detachable door is provided to be detachably connected to a door frame and door glass, and to save energy by blocking a gap between the door frame and the door glass. CONSTITUTION: A protector for a detachable door comprises a main body(100), an opening(110), and an elastic support(150). The body comprises a space(120) inside. The opening is formed on one side of the main body. The opening is formed in order that the edge part of door glass or a door frame is inserted. The elastic support is extended from the inner circumference of the main body. The elastic support clamps the edge of the door frame or door glass with pressing force.
Patent KR-20120117030-A (KR)
Title: A reflower for strip arrangement
Inventor: LEE HO JOON
IPC: H01L21/68
Filed: 2011-04-14
Abstract: PURPOSE: A device for rearranging a strip is provided to rapidly and safely rearrange a strip by separately carrying out the strip which is unable to be transferred during work. CONSTITUTION: An inlet rail transfers a strip(S) to a location of a magazine(M). A pusher(250) is installed to one side of the inlet rail and laminates a strip on a mounting rack in the magazine. A transport robot(300) horizontally transfers the inlet rail forward and backward. An elevator increases a separately provided magazine to a predetermined partition height. A magazine carrying out device(500) carries out the magazine in which the strip lamination is completed on the elevator. A peaker(600) adsorbs and transfers the strip which is unable to be provided to the magazine on the inlet rail.
Patent KR-20120118175-A (KR)
Inventor: KANG SE JIN
IPC: G06F9/44
Filed: 2011-04-18
Abstract: 본 발명은 다양한 형태로 구성되는 전자 시스템의 전원 및 구동 시퀀스를 통해 주변 디바이스의 전원 및 구동 시퀀스를 제어하는 전자 장치 시스템의 전원 및 구동 제어 시퀀스의 계층적 제어 구조 및 그 제어 방법에 관한 것이다. 
본 발명에 따르는 전자 장치 시스템의 전원 및 구동 제어 시퀀스의 계층적 제어 방법은, 
하나 이상의 디바이스에 대한 전원 및 구동 제어 시퀀스를 프로세서가 설정하는 단계; 
설정된 전원 및 구동 제어 시퀀스에 따라 구동 제어 시퀀스 및 전원 제어 시퀀스를 각각 처리하는 단계; 
상기 디바이스를 동작시키는 단계를 포함하는 것을 구성적 특징으로 한다.
Patent KR-20120119611-A (KR)
Title: System and method for producing salted cabbage using seawater
Inventor: PARK SUENG GOO
IPC: A23L19/20
Filed: 2011-04-22
Abstract: PURPOSE: Chinese cabbage salting system and method using seawater are provided to economically salt Chinese cabbage by using the seawater instead of salt. CONSTITUTION: A Chinese cabbage salting system using seawater comprises the following: a settling tank(100) for inflowing and storing the sea water, and precipitating foreign materials from the sea water; a purifying tank(200) purifying and sterilizing the sea water; an evaporation tank(300) evaporating the sea water using sunlight to obtain high-salinity sea water having the salinity of 9-12%; a seawater storage tank(500) storing the seawater having the salinity of 2-3% after removing the foreign materials; first and second salting tanks(600, 700) firstly and secondly salting Chinese cabbage using the sea water from the evaporation tank and the seawater storage tank; and first and second washing tanks(800, 900) washing the salted Chinese cabbage. [Reference numerals] (20) Pump
Patent KR-20120122220-A (KR)
Title: Semiconductor memory device and repair method of semiconductor memory device
IPC: G11C29/18
Filed: 2011-04-28
Abstract: PURPOSE: A semiconductor memory device and a repairing method thereof are provided to improve repair efficiency by latching a row address for selecting a main word line to perform a repair operation. CONSTITUTION: A latch address generating unit(5) generates a first latch address and a second latch address by latching a row address when a memory cell connected to a sub word line is defective and includes a latch pulse signal generating unit(1), a latch unit(2), a control signal generating unit(3) and an address comparing unit(4). The first and second latch addresses select different main word lines. A repair unit(6) repairs a memory cell connected to the main word line selected by the first latch address and the second latch address. [Reference numerals] (1) Latch pulse signal generating unit; (2) Latch unit; (3) Control signal generating unit; (4) Address comparing unit; (6) Repair unit
Patent KR-20120125023-A (KR)
Title: A device to remove air trap of substrate
IPC: H05K3/42
Filed: 2011-05-06
Abstract: PURPOSE: An air trap removing apparatus of a substrate is provided to spray plating liquid to the entire surface of a substrate and to easily remove air traps from the substrate. CONSTITUTION: A air trap removing apparatus of a substrate includes a introducing part(1a), a plating part(1b), a plating liquid spraying unit(10). A substrate is dipped in the introducing part. The plating part is connected to the introducing part and plates the dipped substrate. The plating liquid spraying unit is installed in the introducing part. The plating liquid spraying unit includes a main pipe, an auxiliary pipe, and a spraying nozzle. The main pipe is installed at the inner wall of the introducing part. The auxiliary pipe is connected to the main pipe. The spraying nozzle is attached to the auxiliary pipe and sprays plating liquid to the substrate.
Patent KR-20120128415-A (KR)
Title: Method for producing the black garlic
IPC: A23L27/10
Filed: 2011-05-17
Abstract: PURPOSE: A producing method of black garlic capable of uniformly produce the black garlic is provided to prevent the loss of nutrients from fresh garlic, and to remove the spicy taste of the garlic. CONSTITUTION: A producing method of black garlic comprises the following step: removing foreign materials from fresh garlic(S100); inserting the garlic with zeolite into an aging container, and firstly aging the mixture at 55-85 deg. C(S110); and secondly aging the mixture at 35-45 deg. C. The zeolite is located around the garlic without directly contacting the garlic(S120). [Reference numerals] (S100) Washing; (S110) Firstly aging; (S120) Secondly aging
Patent KR-20120132658-A (KR)
Title: MedicalTour
IPC: G06Q50/22
Filed: 2011-05-29
Abstract: PURPOSE: A website for medical tourism is provided to establish a database of a medical industry and medical tourism and to collect databases in each field and in each region. CONSTITUTION: An established database of a medical industry and medical tourism is provided to locals and foreigners who want medical tourism. When online consulting request is received, reservations for clinics, accommodations, and restaurants are able to me made. When customer information, health examination data, and photographs are transmitted, an answer to whether a medical procedure is feasible or not is returned. [Reference numerals] (AA) Medical information; (BB) Accommodation information; (CC) Tour information; (DD) Sharing comments; (EE) Online consultation; (FF) Member registration; (GG) Log-in
Patent KR-20120133031-A (KR)
Title: Teaching method of apparatus for manufacturing semiconductor
IPC: H01L21/677
Filed: 2011-05-30
Abstract: PURPOSE: A teaching method of a semiconductor manufacturing apparatus is provided to prevent error occurrence due to the inclination of a lens generated according to the state of an assembly state of the lens or a robot arm and the distortion of a position. CONSTITUTION: A jig(140) is supported by a robot arm. A teaching jig lens(150) is formed on the central lower end portion of the jig. The teaching jig lens horizontally moves to a first shaft(Z) which is at right angles to a bottom surface(210) of a unit plate(200) as a first distance(L1). The teaching jig lens has a second height(Z2) from the unit plate. The second height is a value which subtracts the first distance from a first height(Z1).
Patent KR-20130000240-A (KR)
Title: Apparatus for ground reinforcement and ground reinforcement method using the same
Inventor: YANG HYUNG CHIL
IPC: E02D5/80
Filed: 2011-06-22
Abstract: PURPOSE: A ground reinforcement apparatus and a ground reinforcement method using the same are provided to remarkably improve ground reinforcement effects by tensioning a tension member enough. CONSTITUTION: A ground reinforcement apparatus comprises a first anchoring unit(100), a second anchoring unit(200), and a protruded fixing unit(300). The first anchoring unit has an insertion hole(101), and a tension member(10) is inserted into the insertion hole. The second anchoring unit is separated from the first anchoring unit and has a through hole(201) in which the tension member penetrates through. The protruded fixing units are installed in the first and second anchoring units and are fixed to the inner wall of a borehole(H) when the tension member is tensioned.
Patent KR-20130000302-A (KR)
Inventor: KANG SEOK MIN
IPC: H01L21/20
Filed: 2011-06-22
Abstract: 성장 온도에서 웨이퍼 표면에 에피층이 성장되는 단계; 상기 에피층 성장 후, 상기 웨이퍼를 어닐링(annealing) 하는 단계; 및 상기 어닐링 하는 단계 후, 냉각하는 단계를 포함한다.
Patent KR-20130006761-A (KR)
Title: Mobile terminal and method for controlling thereof
Inventor: LIM GUK CHAN
IPC: H04B1/40
Filed: 2011-06-23
Abstract: PURPOSE: A mobile terminal and a control method thereof are provided to efficiently reduce power of a mobile terminal by controlling the mobile terminal in a camera mode corresponding to a gesture of a user. CONSTITUTION: A control unit(180) determines a current camera mode. A camera module inputs external gesture operation in the determined camera mode. A power supply unit(190) supplies power to the camera module. In case the inputted external gesture is related to the camera mode, the control unit changes the camera mode. [Reference numerals] (110) Wireless communication unit; (111) Broadcasting reception module; (112) Mobile communication module; (113) Wireless internet module; (114) Near field communication module; (115) Location information module; (120) A/V input unit; (121) Camera; (122) Microphone; (130) User input unit; (140) Sensing unit; (141) Proximity sensor; (150) Output unit; (151) Display unit; (152) Sound output module; (153) Alarm unit; (154) Haptic module; (155) Projector module; (160) Memory; (170) Interface unit; (180) Control unit; (181) Multimedia module; (190) Power supply unit
Patent KR-20120002466-A (KR)
Title: Lithium ion secondary battery
Inventor: KONISHI HIROAKI
IPC: H01M10/0525
Filed: 2011-06-29
Abstract: PURPOSE: A lithium ion secondary battery is provided to have high capacity for plug-in hybrid car, to restrain deterioration at high temperature, and to obtain thermal stability during charging due to a positive electrode active material thereof. CONSTITUTION: The positive electrode active material of a lithium ion secondary battery is in the following chemical formula: Li_xNi_aMn_bCo_cM^1_dM^2_eO_2. In the chemical formula, M^1 is one or more element selected from the group consisting of Al, Ti and Mg. M^2 is one or more element selected from the group consisting of Mo, W and Nb, 0.2<=x<=1.2, 0.6<=a<=0.8, 0.05<=b<=0.3, 0.05<=c<=0.3, 0.02<=d<=0.04, 0.02<=e<=0.06, and a+b+c+d+e=1.0. The lithium ion secondary battery comprises: a positive electrode capable of occlusion-discharging lithium; a negative electrode capable of occlusion-discharging lithium; a non-aqueous electrolyte; and a separator. The positive electrode comprises the positive electrode active material.
Patent KR-20110099202-A (KR)
Inventor: LEE SANG BUM
IPC: B62B5/02
Filed: 2011-07-28
Abstract: 장애물을 통과하기 위한 주행로봇은 다양한 방법들이 있다. 각각의 장단점이 있겠으나 본 발명장치는 소형화가 가능하고, 외발 주행을 하거나 계단을 오르내릴 때 주행바퀴와 베이스 상판과 병행 함으로서 신속한 평행유지가 가능한 것이 특징이다. 따라서, 위험한 계단주행시 본 발명장치인 운송장치에 외부 힘이 가해지더라도 상술한 봐와 같이 신속한 평행유지가 가능함에 따라 안전한 주행을 보장할 수 있다.
Patent KR-20130013383-A (KR)
Title: 감시 카메라를 위한 데이터 처리 시스템
Inventor: SHIN JONG HO
IPC: H04N7/18
Filed: 2011-07-28
Abstract: 본 발명의 바람직한 일실시예에 따른 감시 카메라를 위한 데이터 처리 시스템은, 이미지 센서에서 생성된 HD급의 디지털 데이터를 송신 장치를 통하여 외부 환경에 영향을 받지 않고 손실 없이 외부에 별도로 구비된 수신 장치에 전송하고, 수신 장치에서는 수신된 데이터를 카메라의 이미지 센서에서 생성되었던 원래의 데이터로 복원할 수 있다. 
본 발명의 바람직한 일실시예에 따른 감시 카메라를 위한 데이터 처리 시스템은 이미지 센서로부터 생성된 화상 데이터를 입력받아 처리하여 수신 장치로 전송하는 송신 장치; 및 상기 송신 장치로부터의 데이터를 수신하여 상기 이미지 센서에서 생성된 화상 데이터의 형태로 복원하는 수신 장치;를 포함한다.
Patent KR-20120031430-A (KR)
Title: Dividing method of resin-attached brittle material substrate
Inventor: HASHIMOTO TAICHI
IPC: B28D5/00
Filed: 2011-07-29
Abstract: PURPOSE: A method for splitting a resin-attached brittle material substrate is provided to split a resin-attached brittle material substrate with high accuracy. CONSTITUTION: A method for splitting a resin-attached brittle material substrate comprises a step of forming second grooves(G2) in a predicted split position of the resin side of a resin-attached brittle material substrate(10) and a step of splitting the resin-attached brittle material substrate along V-shaped grooves(G1). In the breaking step, cracks are extended from the leading ends of the V-shaped grooves to the second grooves.
Patent KR-20130014842-A (KR)
Title: Caster of wheel and shaft simultaneous braking
Inventor: YEO SIN DONG
IPC: B60B33/00
Filed: 2011-08-01
Abstract: PURPOSE: A door sensor of a furnace is provided to reliably sense a state of an opening and a closing of the door and controls an operation time of the furnace facilities, thereby improving the work efficiency. CONSTITUTION: A door sensor of a furnace comprises a door(20), a hydraulic cylinder, and a sensor(50). The door is mounted to the outer side of the opening of the furnace. The hydraulic cylinder is mounted at the upper side of the furnace and connected to the door thereby lifting the door. The sensor is mounted to the upper side of the hydraulic cylinder, senses the cylinder rod of the hydraulic cylinder. The cylinder rod of the hydraulic cylinder is protruded to the lower and upper side of the hydraulic cylinder. The door is connected to the lower side of the cylinder rod. The sensor senses the upper end of the cylinder rod.