baber/WOPTO huggingface dataset:
Patent KR-20120096706-A (KR)
Title: Two-stair bicycle parking apparatus of simple structure
Inventor: PYON SANG DUK
IPC: B62H3/10
Filed: 2011-02-23
Abstract: PURPOSE: A two stage bicycle rack with a simple structure is provided to improve usable generality and convenience of products by automatically ascending and descending a bicycle with a driving motor. CONSTITUTION: A two stage bicycle rack with a simple structure comprises first and second guides(10,20), first and second pipe bodies(30,40), and a holding unit(50) Both ends of the first and second guides are respectively coupled at the bottom of a supporter and guide grooves are longitudinally formed inside the first and second guides. The first and second pipe bodies are transferred in a longitudinal direction of the guides along the guide grooves. Guide rollers of the first and second pipe bodies are inserted in the guide grooves. A transferring groove is longitudinally formed inside the first pipe body. The second pipe body is transferred back and forth in the longitudinal direction of the first pipe body along the transferring groove of the first pipe body. The holding unit is coupled to the second pipe body and stably fixes a bicycle to conveniently ascend and descend the fixed bicycle.
Patent KR-20120102981-A (KR)
Title: Method for manufacturing printed circuit board
Inventor: HWANG SUN UK
IPC: H05K3/34
Filed: 2011-03-09
Abstract: PURPOSE: A method for manufacturing a printed circuit board is provided to maintain an interval between bumps by forming a flip chip bump into a metal bump using a plating process. CONSTITUTION: Plating resist forming an opening for bump formation is formed on a substrate(100). A patterned mask is arranged on the plating resist. A metal bump(130) is formed by plating the opening for bump formation. A complex solder resist layer(140) is formed on the substrate with a vacuum lamination process. The complex solder resist layer comprises first solder resist(140a) and second solder resist(140b). The first solder resist is a base film and the second solder resist is a cover film. The metal bump is exposed by eliminating the second solder resist.
Patent KR-20110040802-A (KR)
Inventor: PARK MIN CHEOL
IPC: A47G19/22
Filed: 2011-03-10
Abstract: 본 컵은 컵의 입이 사선의 형태로 변형하여 컵의 앞뒤를 구별하였고 컵의 앞에 돌출부를 만들어 음료 따위를 마시는 방법의 변화를 꽤하였고, 본 컵은 앞으로만 마실수 있기에 시선이 앞으로 집약되기 때문에 광고 수행능력이 우수하고 파격적인 디자인이 가능하며, 이는 컵 시장에 공격적 마케팅을 가능케 한다.
Patent KR-20120111558-A (KR)
Inventor: KIM YONG HOON
IPC: H04N5/76
Filed: 2011-04-01
Abstract: 본 발명은 디지털비디오레코더의 인터페이스 구성 방법에 관한 것으로서, 실시 예에 따르면 디지털비디오레코더의 환경설정에서 상황 및 시간대별로 영상을 녹화하는 방법을 하나의 화면에서 손쉽게 설정할 수 있도록 하는 디지털 비디오 레코더의 클라이언트 인터페이스 구성 방법이 개시된다. 
본 발명의 실시 예에 따른 디지털비디오레코더의 인터페이스 구성 방법은, 디지털비디오레코더의 녹화 품질을 설정하는 메뉴 설정 값을 입력받기 위한 대화창과, 상기 메뉴 설정 값이 저장되는 세트창을 포함하는 녹화품질설정단계와; 일정 시간단위 및 요일단위로 상기 디지털비디오레코더의 녹화 품질을 설정하는 일정설정단계; 및 상기 디지털비디오레코더의 기기특성 및 기기상태를 제어하는 DVR셋팅단계;를 포함하여 구성되는 것을 기술적 요지로 한다.
Patent KR-20120114117-A (KR)
Title: Battery having electrode structure with metallic fibers and method of fabricating the electrode structure
Inventor: KIM CHANG HYEON
IPC: H01M4/02
Filed: 2011-04-06
Abstract: PURPOSE: A battery having an electrode structure which includes metal fiber with high energy density and a manufacturing method thereof are provided to enhance energy density, charge and discharge efficiency, charge and discharge rate and cycle properties. CONSTITUTION: A battery having an electrode structure includes a conductive network which is formed by one or more metal fibers and particle compositions including electric active materials. A manufacturing method of the electrode structure comprises the following structure: (S100) providing one or more metal fibers forming conductive networks; (S200) providing a particle composition which includes electrical active materials; (S300) mixing the metal fibers with the particle compositions; and (S400) compressing the mixture. [Reference numerals] (S100) Providing one or more metal fibers; (S200) Providing a particle composition which includes electrical active materials; (S300) Mixing the metal fibers with the particle compositions; (S400) Compressing the mixture
Patent KR-20120114519-A (KR)
Title: Heat pack
Inventor: BAIK CHANG PYOUNG
IPC: F24V30/00
Filed: 2011-04-07
Abstract: PURPOSE: A heat pack is provided to improve user convenience by being easily heated by boiling water, warm water, or a microwave oven. CONSTITUTION: A heat pack comprises a sealing container(20), crystallizing solution, and a trigger(40). The sealing container is sealed by thermal sealing. The crystallizing solution is filled inside the sealing container and is crystallized by impact. The trigger initiates exothermic reaction by giving impact to the crystallizing solution. The sealing container is made of a composite material in which a synthetic resin coating layer is formed on the inner side of fabric layer.
Patent KR-20120115771-A (KR)
Title: Probe of ultrasonic diagnostic apparatus
Inventor: CHOI HAE RAN
IPC: G01N29/24
Filed: 2011-04-11
Abstract: PURPOSE: A probe device of an ultrasonic diagnostic apparatus is provided to be used sanitarily by mounting a cover on a probe contacted to the inspection part of patients. CONSTITUTION: A probe device(100) includes a probe(120), a cover(130), a mounting unit and a demounting unit. The probe receives ultrasonic waves by being electrically connected to a main body(110). The cover is in the shape of a pocket with opened one side for surrounding the probe. The probe and the cover are combined by the mounting unit. The mounting unit includes a protrusion member formed on back end of the cover and a fixing unit fixing the cover to the probe.
Patent KR-20120117502-A (KR)
Title: Method for antibacterial treatment of glass and the product of the same
Inventor: CHOI SE YOUNG
IPC: C03C17/10
Filed: 2011-04-15
Abstract: PURPOSE: An antibacterial treatment method of glasses and a sterile glass by using the same method are provided to enhance light transmittance by maximally removing flaw on glass surfaces. CONSTITUTION: An anti-bacterial treatment method of glasses comprises the following step: coating a solution which has silver or copper based material as a single component by ion exchange using a solid or liquid coating method on one or more surfaces of glass substrates. The anti-microbial treatment method additionally includes the following step: removing oxide film and micro cracks of the glass substrate surface by etching one or more surfaces of the glass substrates. The glass has 90-92% of light transmittance through etching. The silver or copper based material is a solution including silver nitrate or copper nitrate powder, crushed material, and sol. [Reference numerals] (AA) External shape processing of a glass; (BB) Washing and drying; (CC) Polishing the glass; (DD) Washing and drying; (EE) Etching the glass; (FF) Washing and drying; (GG) Antibacterial process by ion exchange; (HH) Antibacterial processed glass for display
Patent KR-20110118098-A (KR)
Inventor: MISCHLER ERNST
IPC: G01B11/00
Filed: 2011-04-21
Abstract: 위치 결정 장치(5)는, 위치를 표시하기 위한 적어도 하나의 마커(11, 12)를 포함하는 측정 눈금(10), 및 상기 측정 눈금(10)에 대해 이동될 수 있고 상기 측정 눈금(10)을 광학적으로 스캐닝하기 위한 측정 헤드(21)를 포함한다. 상기 측정 헤드(21)는, 상기 측정 눈금(10)의 이미지를 생성하기 위한 텔레센트릭 광학 시스템(30), 및 상기 측정 눈금(10)의 이미지를 캡처하고 신호를 제공하기 위한 센서(40)를 포함하고, 상기 신호는 상기 측정 눈금(10)에 대한 상기 측정 헤드(21)의 위치를 결정하는 것을 가능하게 한다. 상기 텔레센트릭 광학 시스템(30)은, 상기 측정 눈금(10)에 일정 거리로 배치되고 광학 축(34)을 포함하는 제1 렌즈 요소(33), 및 상기 측정 눈금(10)으로부터 이격되어 마주하고, 상기 제1 렌즈 요소(33)의 일 측면 상의 상기 제1 렌즈 요소(33)의 초점(F1)에 배치되는 조리개(35)를 포함한다. 상기 텔레센트릭 광학 시스템(30)은 블록(31)을 포함하고, 상기 제1 렌즈 요소(33)는 상기 블록(31)의 일체형 구성이고, 상기 블록(31)의 표면(32)의 제1 영역(32.1)이 상기 제1 렌즈 요소(33)의 표면을 형성하고, 상기 조리개는, 상기 블록(31)의 상기 표면(32)의 제2 영역(32.2)에서 구현되고 상기 제1 렌즈 요소(33)의 상기 광학 축(34)에 대해 (  < 90°) 경사진 제1 거울면(35)의 형태로 실현된다.
Patent KR-20120122180-A (KR)
Title: Scaffold containing drug delivery system
IPC: A61L27/34
Filed: 2011-04-28
Abstract: PURPOSE: A cell carrier containing a drug delivery system is provided to improve mechanical strength and to simplify the production thereof. CONSTITUTION: A cell carrier containing a drug delivery system is produced as follows. A three-dimensional scaffold is made of biocompatible polymer. The three-dimensional scaffold is freeze-dried. The freeze-dried scaffold is crosslinked. The cross-combined scaffold is freeze-dried. Chemicals are absorbed into the freeze-dried scaffold. The scaffold is coated with biocompatible natural polymer. The biocompatible natural polymer is inhaled after the coating. The biocompatible natural polymer is dried.
Patent KR-20120124536-A (KR)
Title: Apparatus for preserving flowering plant
IPC: A01G5/06
Filed: 2011-05-04
Abstract: PURPOSE: A flowering plant storage apparatus including a temperature controller for automatically controlling the temperature is provided to use a stepped water tank for automatically supplying water. CONSTITUTION: A flowering plant storage apparatus comprises the following: a case(100) including an inclined opening; a step-form cooling tank mounted on the bottom of the case; a multi-stage stepped water tank(200) installed inside the cooling tank, and connected to the cooling tank using an overflow pipe; plural flower storage boxes(300) mounted on the bottom of the water tank; a circulating water supply tube(410) connecting the top of the cooling tank and the water tank, and including a circulation pump; a cooler(140) cooling water inside the cooling tank; a mechanical chamber(120) installed on the rear bottom of the case; a compressor(130) installed on the mechanical chamber for supplying and circulating a refrigerant; a heat radiation tank receiving water from the cooling tank; and a heat-radiator(132) connected to the compressor and the cooler. [Reference numerals] (134) Heat-radiator; (150) Cooling tank
Patent KR-20120126393-A (KR)
Title: Optical member and display device having the same and method of fabricating the same
IPC: G02F1/1339
Filed: 2011-05-11
Abstract: PURPOSE: An optical member, a display device with the same, and a manufacturing method thereof are provided to effectively protect wavelength conversion particles from external moisture and/or oxygen. CONSTITUTION: A resin composition with wavelength conversion particles is coated on a substrate(511). The substrate comprises a first area(R1) and a second area(R2). A photo-curable and/or thermosetting resin composition(551) is coated on an area around the first area. A first wavelength conversion layer(563) and a second wavelength conversion layer(566) are formed on the substrate by hardening the resin composition.
Patent KR-20120126661-A (KR)
Title: Novel oxetane compound, method for preparing thereof, composite sheet for display device comprising the same
IPC: C08J5/18
Filed: 2011-05-12
Abstract: PURPOSE: An oxetane cyclic epoxy-based compound and a method for preparing the same are provided to ensure excellent flexibility, heat resistance, optical property, crack resistance, and mechanical property. CONSTITUTION: An oxetane-cyclic epoxy-based compound is denoted by chemical formula 1. A method for preparing the compound of chemical formula 1 comprises: a step of reacting cyclohexenyl methanol with oxetane compounds of chemical formula 2 to prepare cyclohexenyl oxetane ether; and a step of oxidizing the cyclohexenyl oxetane ether. A composite sheet contains the oxetane-cyclic epoxy compounds of chemical formula 1 as a binder. The composite sheet contains 100 parts by weight of the binder and 60-300 parts by weight of a glass filler. The glass filler is a glass fiber, glass fiber cloth, glass fabric, glass non-woven fabric, glass mesh, glass bead, glass powder, or glass flake. The composite sheet further contains cationic initiator.
Patent KR-20120126966-A (KR)
Title: 그래뉼 제조 장치
IPC: B22F9/16
Filed: 2011-05-13
Abstract: 본 발명은 그래뉼 제조 장치에 관한 것으로서, 특히, 가스로를 이용하여 1차적으로 고체 상태의 그래뉼 원료를 용융시키고, 전기로를 이용하여 2차적으로 액체 상태의 그래뉼 원료를 고온으로 용융시킨 후, 전기로의 위치를 이동시켜 가면서 전기로의 하단에 형성되어 있는 전기로 배출홀을 통해 액체 상태의 그래뉼 원료를 물통으로 떨어뜨려 그래뉼을 제조할 수 있는, 그래뉼 제조 장치를 제공하는 것을 기술적 과제로 한다. 이를 위해 본 발명에 따른 그래뉼 제조 장치는, 고체 상태의 그래뉼 원료를 가스토치를 이용하여 1차적으로 가열시킨 후 배출시키는 가스로; 상기 가스로를 통해 전송되어온 액체 상태의 그래뉼 원료를 전기히터를 이용하여 2차적으로 가열시킨 후 배출시키는 전기로; 및 상기 전기로로부터 배출된 액체 상태의 그래뉼 원료를 물을 이용하여 냉각시켜 그래뉼을 제조하기 위한 물통을 포함한다.
Patent KR-20120127020-A (KR)
Title: Washing machine
IPC: D06F39/14
Filed: 2011-05-13
Abstract: PURPOSE: A washing machine is provided to authentically lock a door by disposing a magnet to a hook of the door. CONSTITUTION: A door locking device includes a hook(50) and a lock switch. A position of the hook is changed according to open and close operation of the door(30). The lock switch fixes the hook so that the door is not opened by external force. If a user closes the door, the hook is located within a hook accommodating portion. A lead switch detects a position of a magnet(55). The lead switch supplies a signal to a control unit.
Patent KR-20120127062-A (KR)
IPC: B65D81/32
Filed: 2011-05-13
Abstract: PURPOSE: A container capable of mixing different kinds of contents by pressing a button is provided to prevent the leakage of liquid from the combined portion of the container and an upper cap. CONSTITUTION: A container capable of mixing different kinds of contents comprises the following: a container body(10) storing a first content(1); an upper cap(20) covering an upper opening of the container body; a storage chamber(22) for storing a second content(2); a button unit(23) installed on the upper side of the storage chamber; a cover unit combined to the upper side of the upper cap; and a lower cap(30) combined to the bottom of a moveable protrusion(24).
Patent KR-20120127874-A (KR)
Title: 장착이 용이한 도어용 잠금장치
IPC: E05B9/04
Filed: 2011-05-16
Abstract: 본 발명은 키실린더(1)와 결합되어 도어(D)를 괘ㆍ해정하는 잠금장치에 관련되며, 그 구성의 특징으로서 상기 키실린더(1)와 연동되게 작동하는 록킹유니트(11)를 구비하고, 상기 록킹유니트(11)에 맞물리면서 탈ㆍ장착이 가능한 레버(12)를 구비하는 본체(10); 상기 본체(10)의 내측으로 일체로 결합되고, 일면에 키실린더(1)와 맞물리도록 안내돌부(21)를 구비하는 연결커버(20); 및 상기 본체(10)와 연결커버(20) 상에 체결공(31)(32)을 각각 구비하고, 상기 체결공(31)(32)으로 통과하여 키실린더(1)와 체결되게 체결볼트(35)를 구비하는 결합수단(30);을 포함하여 이루어지는 것을 특징으로 한다. 
이에 따라 본 발명은, 본체와 연결커버 및 결합수단을 조립상태로 유지하여 장착에 따른 도어의 미관을 해치지 않으면서 작업성과 편리성을 향상시켜 장착시간을 대폭 단축하고, 부품을 간소화시켜 원가를 대폭 절감하면서 유지보수 및 관리가 용이하고, 제조의 간략화로 인해 조립성이 향상되어 전반적인 생산성을 증가시키는 효과가 있다.
Patent KR-20120130665-A (KR)
IPC: F24F3/12
Filed: 2011-05-23
Abstract: PURPOSE: An evaporation cooling apparatus is provided to cool air with the electricity which is one tenth of an existing cooling method. CONSTITUTION: A cooling apparatus comprises a heat exchange pipe and a dual heat exchange pipe. The heat exchange pipe is installed at a suction discharge pipe. The heat exchange is supplied with heat, and supplies the heat to the internal air through a fan. The heated air is in contact with air, and humid air is generated. An evaporation pad blows the air to a sprayer to generate the humid air. A suction fan discharge steam by absorbing the humid air.
Patent KR-20120131499-A (KR)
Title: System and method for controlling vehicle using human body communication
IPC: H04B13/00
Filed: 2011-05-25
Abstract: PURPOSE: A vehicle control system using human body communication and method thereof are provided to differentiate the control of a vehicle according to authentication information transmitted from a user. CONSTITUTION: An authentication information storage unit(11) stores authentication information of each level. A communication channel is set between a human body communication unit(13) and an external vehicle control apparatus(20), a control unit(12) transmits the authentication information of the set level to the human body communication unit. The human body communication unit transmits the authentication information transmitted from the control unit to a vehicle control apparatus through the human body. [Reference numerals] (10) Portable terminal; (11) Authentication information storage unit; (12) Control unit; (13, 22) Human body communication unit; (14) Wireless communication unit; (20) Vehicle control apparatus; (21) Authentication information storage unit; (23) Authentication unit; (24) Vehicle control unit
Patent KR-20120134249-A (KR)
Title: Solar cell apparatus and method of fabricating the same
Inventor: BAE DO WON
IPC: H01L31/04
Filed: 2011-06-01
Abstract: PURPOSE: A solar cell and a manufacturing method thereof are provided to increase open circuit voltage by alternately forming a barrier layer and a well layer on a light absorption layer. CONSTITUTION: A back surface electrode layer(150) is arranged on a substrate. A light absorption layer(200) is arranged on the back surface electrode layer. A buffer layer(300) is formed on the light absorption layer. The buffer layer is formed by alternately laminating the barrier layer and a well layer. A window layer is arranged on the buffer layer.
Patent KR-20120049791-A (KR)
Title: Optical adhesive film and flat display device having the same
Inventor: KIM HWAN JIN
IPC: G09F9/00
Filed: 2011-06-02
Abstract: PURPOSE: An optical adhesive film and a flat display device with the same are provided to bond a frontal side, a rear side, sides of a flat display module each other. CONSTITUTION: A light transmitting unit(110) is arranged on a flat display module. The light transmitting unit transmits an image. A wing portion(111) is extended from one end of the light transmitting unit. The wing portion covers a side of the flat display module. The wing portion covers a part of the rear side of the flat display module.
Patent KR-20120135830-A (KR)
Title: 레미탈 및 그 제조방법
Inventor: CHOI SE JIN
IPC: C04B14/38
Filed: 2011-06-07
Abstract: 시공 후 균열 발생율을 최소화할 수 있도록, 결합재와 모래 및 첨가재를 포함하고, 상기 결합재는 비정질 금속 재질의 강 섬유(steel fiber)가 혼합된 레미탈을 제공한다.
Patent KR-20120138892-A (KR)
Title: Hybrid touch panel module
Inventor: WOO GWAN JE
IPC: G06F3/041
Filed: 2011-06-16
Abstract: PURPOSE: A hybrid touch panel module is provided to sense pressure and electrostatic capacity and to sense a correct touch location. CONSTITUTION: An electrostatic capacitive type touch panel(120) includes a plurality of ITO(Indium Tin Oxide) electrodes. The electrostatic capacity of the ITO electrodes is varied by a contact object. One control chip(130) senses the resistance variation of the ITO film of the pressure sensitive touch panel. The control chip determines the contact location of the contact object. The controller chip senses the electrostatic capacity of the ITO electrodes of the electrostatic capacitive type touch panel.
Patent KR-20120139946-A (KR)
Inventor: KIM JUNG HWAN
IPC: A45C11/20
Filed: 2011-06-20
Abstract: PURPOSE: A smart compressive food container is provided to reduce unnecessary area by compressing the container and to shorten time to find the container easily. CONSTITUTION: A smart compressive food container is manufactured to be compressive by using flexible materials and embeds a transceiver unit which can chase location. The flexible material is silicone. The food container is compacted up to 80%. The transceiver is mounted in the cover section.
Patent KR-20130001980-A (KR)
Title: Electroless plated layers of printed circuit board and method for preparing the same
Inventor: LEE DONG JUN
IPC: H05K3/18
Filed: 2011-06-28
Abstract: PURPOSE: An electroless plated layer of a printed circuit board and a method for preparing the same are provided to protect a copper layer by forming a plating layer. CONSTITUTION: An electroless plated layer is made of electroless nickel, palladium, and gold. The thickness of electroless nickel is 0.02-1 micrometer. The thickness of palladium is 0.01-0.3 micrometer. The thickness of a gold plating film is 0.01-0.5 micrometer. The electroless plated layer is connected to an exterior device in a wire bonding type and contains phosphorus.
Patent KR-20130002020-A (KR)
Title: A stopper provided cutter for removing burr from a slab
Inventor: KIM SUNG SOON
IPC: B22D11/12
Filed: 2011-06-28
Abstract: PURPOSE: A foreign substance removing stopper is provided to prevent an operation error by enabling a material entering a marking machine not to move back to a home position due to foreign substances. CONSTITUTION: A foreign substance removing stopper(100) comprises an apparatus body unit(110) and a foreign substance removal unit(150). The apparatus body unit is provided as a variable location type corresponding to the movement route of a material. The apparatus body unit includes an elevating unit(120) and a moving unit(130). The elevating unit is provided for the foreign substance removal unit to move up and down by a first driving source. The moving unit is equipped with a moving block(133) equipped with the foreign substance removal unit on the plane contacting with a material, wherein the moving block performs the side-to-side movement of the position of the foreign substance removal unit by using a second driving source. The foreign substance removal unit is provided to the apparatus body unit to get rid of foreign substances formed on the cutting section of a material during a stopping process.
Patent KR-20130002605-A (KR)
Title: Data displaying device for manufacturing a semiconductor
Inventor: KANG YOUNG SOON
IPC: G05B19/418
Filed: 2011-06-29
Abstract: PURPOSE: A data display device for manufacturing a semiconductor is provided to search data and to display a data revision history by displaying data of an upper and lower system controllers on an internet browser. CONSTITUTION: Lower system controllers(120,130) are controlled by an upper system controller(110). A display unit(140) displays data of the upper and the lower system controllers on an internet browser. The data of the upper and the lower system controllers includes a version, setting information, warning data, teaching data, and recipe data of the upper and the lower system controllers. [Reference numerals] (110) Upper system controller; (120) First lower system controller; (130) Second lower system controller; (140) Display unit
Patent KR-20130003286-A (KR)
Title: Wing socket for air conditioner
Inventor: KIM JEONG HWA
IPC: F24F1/32
Filed: 2011-06-30
Abstract: PURPOSE: An air conditioner blade socket is manufactured by fitting an inner blade socket into an outer blade socket, thereby reducing energy consumption and costs. CONSTITUTION: One end portion of a blade socket(120) is coupled to a copper pipe connected to an outdoor unit and the other end portion of the blade socket is coupled to a copper pipe connected to an evaporator. The blade socket is composed of an inner blade socket(110) and an outer blade socket. The outer blade socket is made of an aluminum material, or a steel material, or a synthetic resin material and composed of a body unit(112) in a front portion and a blade unit(111) in a rear portion. The inner blade socket is made of a brass material and composed of a bolt head(122) in a front portion, a coupling unit in a middle portion, and a pipe insertion unit(124) in a rear portion. The inner blade socket is fitted into the outer blade socket so that the inner and outer sockets are joined.
Patent KR-20130005670-A (KR)
Title: 모서리 가공장치
Inventor: GU JUNG CHEOL
IPC: B24B9/06
Filed: 2011-07-07
Abstract: 본 발명은 모서리 가공장치에 관한 것으로, 구체적으로는 사포밴드의 전체면적을 연삭에 활용하도록 하고 연삭과정에서 사포밴드의 찢어짐 현상을 최소화 함에 따라 사포밴드의 잦은 교체에 의한 낭비를 방지할 수 있는 기술에 관한 것이다. 
그리고 코팅층의 모서리가 라운드 형태로 연삭되도록 함에 따라 제품성을 향상시킬 수 있는 기술에 관한 것이다. 
이를 위해 본 발명은, 
본체, 상기 본체에 설치되어 있는 구동모터 및 상기 구동모터와 연동되는 롤러부, 상기 롤러부에 걸쳐져 있고 가공대상 프레임의 직선이동방향과 직교방향으로 회전하면서 연마면이 상기 가공대상 프레임의 모서리에 접촉되는 사포밴드를 포함하여 구성된다.