baber/WOPTO huggingface dataset:
Patent KR-20080083311-A (KR)
Title: Terminal adapter
Inventor: WESTERLUND MIKAEL
IPC: H01R31/06
Filed: 2007-01-11
Abstract: A terminal adapter (1) for connecting an accessory to a terminal, the terminal adapter (1) comprising a charging socket (2), to which a charging plug can be connected for charging the terminal, when the terminal adapter is connected to the terminal, and in connection with the terminal socket there is provided a shield plug (21) for protecting the charging socket (2) in a waterproof manner, when the charging plug is not connected to the charging socket (2); an accessory cable (3), which is connected to the one side of the terminal adapter through a connecting piece (31) so that when coming out of the connecting piece the direction of the free accessory cable (3) deviates from the connecting direction (X) of the terminal adapter at most by the angle E <= 45°.
Patent KR-20080080184-A (KR)
Title: Microchannel apparatus for removal of combustible, volatile contaminants
Inventor: REKERS DOMINICUS MARIA
IPC: B01J19/00
Filed: 2006-12-20
Abstract: The invention provides for the utilisation of microchannel apparatus in a process for removing combustible, volatile contaminants from a process stream which comprises heating the process stream to the combustion temperature of the volatile contaminant materials and combusting the materials to form a hot cleaned stream also containing combustion products. The hot cleaned stream is conducted through heat exchange channels which are in thermal contact with the first set of process microchannels. The cooled, cleaned stream is then recovered. The microchannels may contain a catalyst for catalytic oxidation. The treated process stream may be a C02 waste stream from an ethylene oxide production plant.
Patent KR-20080091215-A (KR)
Title: Display panel having laser induced light redirecting features
Inventor: ARBAB MEHRAN
IPC: B23K26/08
Filed: 2007-01-12
Abstract: The present invention discloses a display panel 10 having a substrate 12 with one or more surfaces and one or more features 30 within the substrate 12, When one or more surfaces of the substrate 12 are illuminated, the features 30 redirect the illumination to form an image.
Patent KR-20080094686-A (KR)
Title: Antireflective coating material
Inventor: FU PENG FEI
IPC: G03F7/09
Filed: 2006-12-07
Abstract: Antireflective coatings comprising (i) a silsesquioxane resin having the formula (PhSiO(3-x)/2(OH)x)mHSiO(3-x)/2 (OH)x)n(MeSiO(3-x)/2(OH)x )p where Ph is a phenyl group, Me is a methyl group, x has a value of 0, 1 or 2; m has a value of 0.01 to 0.99, n has a value of 0.01 to 0.99, p has a value of 0.01 to 0.99, and m + n + p ≒ 1 ; (ii) a polyethylene oxide fluid; and (iii) a solvent.
Patent KR-20080111017-A (KR)
Title: Dynamic random access memory device and method for self-refreshing memory cells with temperature compensated self-refresh
Inventor: PYEON HONG BEOM
IPC: G11C11/402
Filed: 2007-03-30
Abstract: A dynamic random access memory (DRAM) device has an array of DRAM cells of rows by columns. Each DRAM cell of the array is coupled with a wordline of a corresponding row and a bitline of a corresponding column. An entry into and an exit from the self-refresh mode are detected by a mode detector and a self-refresh mode signal is provided. An oscillation circuit generates in response to the self-refresh mode signal generates a basic time period. A first frequency divider/time period multiplier changes the basic time period in accordance with a process variation factor relating to the DRAM device. A second frequency divider/time period multiplier further changes the changed time period in accordance with a temperature change factor relating to the DRAM device. In the self-refresh mode, data stored in the DRAM cells is refreshed. In accordance with the two factors, the DRAM devices perform and achieve reliable self-refresh for variable DRAM cell retention time. ® KIPO & WIPO 2009
Patent KR-20080107436-A (KR)
Title: Image coding apparatus and method, and image decoding apparatus and method
Inventor: NODA REIKO
IPC: H04N19/136
Filed: 2007-03-30
Abstract: An image coding apparatus comprises a pixel bit length expansion converter (1001) for converting the bit precision of each pixel of an input image to output the converted input image and to output bit conversion information indicating the number of bits altered by the conversion, an image coder (10) for coding the converted input image to output image coding information, and a multiplexer (12) for multiplexing the bit conversion information and the image coding information. ® KIPO & WIPO 2009
Patent KR-20090008223-A (KR)
Title: Computer-implemented methods, carrier media, and systems for creating a metrology target structure design for a reticle layout
Inventor: SMITH MARK
IPC: G06F17/50
Filed: 2007-03-14
Abstract: Computer-implemented methods, carrier media, and systems for creating a metrology target structure design for a reticle layout are provided. One computer-implemented method for creating a metrology target structure design for a reticle layout includes simulating how one or more initial metrology target structures will be formed on a wafer based on one or more fabrication processes that will be used to form a metrology target structure on the wafer and one or more initial metrology target structure designs. The method also includes creating the metrology target structure design based on results of the simulating step.
Patent KR-20080106367-A (KR)
Title: Polyamic acid synthesis method, and polyimide synthesis method
Inventor: UEDA MITSURU
IPC: C08G73/10
Filed: 2007-05-14
Abstract: Disclosed is a method for synthesis of polyamic acid, comprising reacting either an aromatic diacid anhydride or an aliphatic diacid anhydride, either an aliphatic diamine or an alicyclic diamine, and an acid having a pKa value of 3 to 5 with one another. ® KIPO & WIPO 2009
Patent KR-20090016561-A (KR)
Title: Process for hydrogen peroxide production including step for regeneration of working solution
Inventor: SAKAITANI HISASHI
IPC: C01B15/023
Filed: 2007-05-07
Abstract: A process for producing hydrogen peroxide which comprises a step in which a working solution comprising an organic solvent, anthraquinone having an alkyl substituent, and tetrahydroanthraquinone having an alkyl substituent is reduced and then oxidized to thereby produce hydrogen peroxide and a working solution regeneration step in which the inert substance generated as a by-product in the hydrogen peroxide production is removed from the working solution and the resultant working solution from which the inert substance has been removed is circulated again to the hydrogen peroxide production step. It is characterized in that the working solution regeneration step comprises i) a first distillation step in which the organic solvent is recovered by distillation at atmospheric pressure or a pressure lower than that and ii) a second distillation step in which the anthraquinone and tetrahydroanthraquinone are subsequently recovered by conducting distillation at a lower pressure and 200°C or higher so as to result in a residence time of 1 hour or longer.
Patent KR-20090048545-A (KR)
Inventor: KNIGHT MARK STEPHEN
IPC: H04M1/72436
Filed: 2007-05-08
Abstract: 본 발명은 디지털 음악 컨텐츠가 휴대용 무선 컴퓨팅 장치로 다운로드되어 사용될 수 있게 해준다.  무선 컴퓨팅 장치 상에서 실행되는 애플리케이션은 최종 사용자 입력 없이도 무선 장치와 연관된 파라미터에 맞춰 자동적으로 적응된다(예를 들어, 애플리케이션은 장치 OS 및 펌웨어, 관련 버그, 화면 크기, 픽셀 수, 보안 모델, 접속 처리, 메모리, 기타 등등에 따라 구성됨).  이 애플리케이션은 최종 사용자로 하여금 무선 네트워크를 사용하여 원격 서버에서 음악 컨텐츠를 브라우징 및 검색하고, 이 무선 네트워크를 사용하여 그 원격 서버로부터 음악 컨텐츠를 다운로드하며, 그 다운로드된 음악 컨텐츠를 재생 및 관리할 수 있게 해준다.  이 애플리케이션은 또한 서로 다른 음악 트랙의 상기 장치로의 무제한의 합법적 다운로드를 가능하게 해주고 또한 가입 서비스가 종료되지 않는 한 상기 장치 상에 저장된 그 트랙들 중 어느 것이라도 재생될 수 있게 해주는 디지털 저작권 관리 시스템을 포함한다. 
       
     무선 컴퓨팅 장치, 디지털 저작권 관리, 음악 트랙, 권한 객체, 권한 발행자
Patent KR-20090018988-A (KR)
Title: Method for recovery of rare earths from fluorescent lamps
Inventor: OTTO ROBERT
IPC: H01J9/50
Filed: 2007-05-31
Abstract: Method for recovery of rare earths from fluorescent lamps. The method comprises six steps. The individual process steps are: . Mechanical separation of coarse components. . Separation of the halophosphate. . Extraction in acids of easily soluble rare-earth fluorescent substances (mainly Y, Eu-oxide) . Extraction in acids of rare-earth fluorescent substances which dissolve with difficulty (for example rare-earth phosphates) . Breakdown of the remaining components which contain rare earths (for example rare-earth-aluminates) . Final treatment.
Patent KR-20100081207-A (KR)
Title: Detergent case for washing machine
Inventor: KIM YONG WOOK
IPC: D06F39/02
Filed: 2009-01-05
Abstract: PURPOSE: A detergent box of a washing machine is provided to prevent detergent from brimming over the opening of a detergent box in adding the detergent by detecting the height of the added detergent through a height detecting unit. CONSTITUTION: A detergent box of a washing machine is composed of a housing(210), and a height detecting unit(220). The housing comprises an opening. Detergent is added through the opening. The height detecting unit is formed in the housing. The height detecting unit senses the height of the added detergent. The height detecting unit is formed to be extended to the opening from the bottom of the housing. The height detecting unit has a color different from that of the detergent.
Patent KR-20100084292-A (KR)
Title: Rain inlet preventing open-type ventilating window
Inventor: KIM TAE HYEUNG
IPC: E06B7/02
Filed: 2009-01-16
Abstract: PURPOSE: A rainwater inflowing prevention open type ventilation window is open a window in rain by increasing ventilation efficiency and adding excellent water inflow preventing effect. CONSTITUTION: A rainwater inflowing prevention open type ventilation window comprises an upper canopy(100), a lower canopy(200), an upper gutter(110) and a lower buffer plate(220). The upper canopy is installed to cross an open surface(11) top end part of the outside wall of a building. The lower canopy is located to lower part of the upper canopy and is installed to cross the open surface of the outside wall of the building. The upper gutter is installed to cross the one side of the upper canopy. The upper gutter collects the rainwater flowed along the upper side of the upper canopy. The lower buffer plate is attached to the upper side of the lower part canopy.
Patent KR-20100086368-A (KR)
Inventor: LEE JAE CHEOL
IPC: B31D5/00
Filed: 2009-01-22
Abstract: 본 발명은 공압과 유압 방식의 부스터실린더를 이용한 성형장치에 관한 것으로, 더욱 구체적으로는 각종 용기 등의 가압 성형을 위한 금형의 스트로크 이동시 1차 공압에 의해 이동하고, 성형을 위한 승압시에 2차 유압이 작동하게 하여 종이용기의 특성에 적합한 압력 크기 및 시간 조절을 이룰 수 있도록 할 목적으로, 공기압축기(10); 상기 공기압축기로부터 발생한 공기의 주입/차단하는 적어도 하나의 밸브를 포함하는 제어부(20); 내부에 제1피스톤(31)이 내장되고, 전방 및 후방 단부에 각각 공기 주입 관로가 연결되며, 제1피스톤(31)의 전방 측에 오일이 충전된 부스터실린더(30); 일측이 상기 부스터실린더(30)의 오일 충전부와 연통하고, 타측이 공기 주입 관로와 연결된 컨버터(40); 내부에 제2피스톤(51)이 내장되고, 후방 단부가 상기 부스터실린더와 송유관(33)을 통해 연결되어 오일 주입이 가능하며, 전방이 공기 주입 관로와 연결된 유압실린더(50); 상기 제2피스톤(51)과 연결되어 왕복 이동 가능한 금형(60)을 포함하는 것이 특징인 공,유압을 이용한 종이용기 성형장치가 개시된다.
Patent KR-20100088042-A (KR)
Title: Avatar motion control with multi-input sources in mpeg-v
Inventor: HAN JAE JOON
IPC: G06T17/00
Filed: 2009-01-29
Abstract: PURPOSE: An avatar motion control through a multiple input source in an MPEG-V using a motion controller is provided to control the avatar motion in the virtual world by calculating motion information by point dependency by controlling the motion level according to the motion sensing preference. CONSTITUTION: Various kinds of motion sensors or camera receives the operation of a user. A location of a joint part is presumed by user motion information. A three-dimensional position of each body part of a user and a direction are extracted. The extracted data is used as the input of the user for the motion control. Each joint data of the operation of avatar is distributed through the avatar motion importer/exporter in each module.
Patent KR-20100009459-A (KR)
Inventor: AHN CHUL HYO
IPC: F41H11/02
Filed: 2009-02-03
Abstract: PURPOSE: An incapacitation method of MD(Missile Defense) system of multi attack mode and a problem and a location capability of a stealth fighter, a stealth missile AEGIS system is provided to maximize missile efficiency of a stealth missile by adopting a laser jammer system and a multiple warhead. CONSTITUTION: A missile system is converted into a complex attack mode due to the flow of time and a ballistic approach method in order to keep the performance of a stealth fighter, a stealth missile AEGIS, a complex operation system of a stealth missile, and a stealth missile. The missile system corresponds to the anti-missile defense system.
Patent KR-20100092174-A (KR)
Title: Method for manufacturing single crystal with uniform distribution of resistivity characteristics and single crystal manufactured thereof
Inventor: KIM SANG HEE
IPC: H01F5/00
Filed: 2009-02-12
Abstract: PURPOSE: The monocrystal making method in which the resistivity uniforms and the monocrystal manufactured with this method sanction the cusp magnetic field [CUSP magnetic field] in the growth of monocrystal. CONSTITUTION: In the quartz crucible(10), the fused melt is accepted to the high temperature. The crucible housing(20) supports the quartz crucible to the specific form. The crucible rotation number shift(30) drops the quartz crucible as rising. It is spaced from the sidewall of the housing and the heater(40) heats the quartz crucible. The heat insulating mean(50) prevents from the heat generating being flown out from heater into outside.
Patent KR-20100094745-A (KR)
Title: Voip based absentee call connection service method
Inventor: JANG MYUNG JUN
IPC: H04M3/493
Filed: 2009-02-19
Abstract: PURPOSE: A VoIP(Voice over Internet Protocol) based absentee call connection service method is provided to connect a call to a mobile phone of a person in charge of an absentee when a call is connected without call disconnection if the person is absent. CONSTITUTION: If the name of a person in charge of an absentee is selected, a client PC transmits an extension number of the person and a call connection command to an IP-PBX(Internet Protocol-Private Branch Exchange)(S120). The IP-PBX receives the extension number of the person and the call connection command. The IP-PBX transmits a call to a phone number of a portable terminal of a preset person in charge of an absentee(S122). The call transmitted from the IP-PBX is sent to the portable terminal of the person through a VoIP service provider server and a mobile communication network(S124).
Patent KR-20100095137-A (KR)
Title: Method for fruits and vegetables fermented water and cosmetic composition containing fruits and vegetables fermented water
Inventor: LIM TAE HYUNG
IPC: A61K8/97
Filed: 2009-02-20
Abstract: PURPOSE: A cosmetic composition with an effect of improving skin condition using fermentation water of fruits and vegetables is provided to ensure product stability, skin safety, and efficiency. CONSTITUTION: A fermentation water of fruits and vegetables is prepared by centrifuging fruits and vegetables, removing impurities and sludge, mixing with dilution water, filtering with membrane filter, and treating with natural antibacterial agent. The fruits and vegetables are carrot, carrot leaves, cucumber, tomato, kale, grapefruit, or aloe. A cosmetic composition for anti-aging contains 50-90 weight% of the fermentation water. The cosmetic composition is used in the form of milk lotion or nutrition cream.
Patent KR-20100096381-A (KR)
Inventor: YANG BYUNG HO
IPC: B65D43/14
Filed: 2009-02-24
Abstract: 작업 공정이 용이한 힌지 장치 및 이를 이용한 용기가 개시된다.  본 발명의 힌지 장치는, 용기의 본체와 뚜껑을 힌지 결합하기 위한 힌지 장치에 있어서, 본체의 일단에 돌출 형성되는 돌출부와 돌출부의 좌우측 중 적어도 일 측면에 형성되는 원통 형상의 축부를 구비하는 적어도 하나의 지지 수단, 및 뚜껑의 일단에 돌출부에 대응하여 함몰 형성된 홈부와 홈부의 측면에 축부의 형상에 대응하여 홈이 형성되고 그 상부가 축부의 축 방향에 대해 수직으로 억지 끼움 결합되기 위해 개방된 형상을 갖는 끼움부를 구비하는 회동 수단을 포함하여 구성되며, 이에 의해, 용기의 본체와 뚜껑을 힌지 결합하는 작업 공정을 보다 용이하게 수행할 수 있어 작업의 신속성을 제공할 수 있다.   
       
     힌지, 용기, 케이스, 뚜껑, 회동
Patent KR-20100099409-A (KR)
Inventor: KIM HYUN MIN
IPC: H01L33/48
Filed: 2009-03-03
Abstract: PURPOSE: A light emitting diode package is provided to prevent the loss of light according to the temperature of colors by regulating the driving current of a red light emitting diode chip. CONSTITUTION: A cavity(12) is formed in a substrate(10). Blue light emitting diode chips(14) and red light emitting diode chips(16) densely mounted on the substrate. The blue light emitting diode chips are bonded on a first pattern electrode(11). The blue light emitting diode chips are electrically connected with a second pattern electrode through a wire(18). The red light emitting diode chips are bonded on a third pattern electrode(15). The red light emitting diode chips are connected with a fourth pattern electrode through the wire.
Patent KR-20100103089-A (KR)
Title: Manufacturing method of lotus root juice
Inventor: KIM SUNG DOO
IPC: A23L2/08
Filed: 2009-03-13
Abstract: PURPOSE: A manufacturing method of a lotus root juice is provided to reduce the contents of carbohydrate and protein of a fermented extract for manufacturing the juice. CONSTITUTION: A manufacturing method of a lotus root juice comprises the following steps: forming a lotus leaves fermentation extract(S101); crushing fresh lotus roots after pre-processing(S103); forming a lotus leaves tea extract(S105); and mixing the lotus leaves fermentation extract, the crushed fresh lotus roots, and the lotus leaves fermentation extract(S107).
Patent KR-20100103230-A (KR)
Title: Mixture and fermentation machine for fodder
Inventor: AN SUNG SUB
IPC: A23N17/00
Filed: 2009-03-13
Abstract: PURPOSE: A feed mixing-fermenting device is provided to prevent the safety accident and the leakage of bad smell, and to easily insert or discharge fermented feeds. CONSTITUTION: A feed mixing-fermenting device(100) comprises the following: a case(110); a fermentation drum installed in the inside of the case; a stirrer installed in the inside of the fermentation drum; a rotator rotating the stirrer; a hot air blower installed on one side of the fermentation drum; and a heater installed on the fermentation drum to heat the fermentation drum.
Patent KR-20100104414-A (KR)
Title: Fixing structure for solar modules
Inventor: LEE EUI SEOP
IPC: H02S20/00
Filed: 2009-03-17
Abstract: PURPOSE: The solar module fixing structure establishes the spring between fixture and C type frame. It prevents from the fixture being deviated of the anchoring bolt. CONSTITUTION: The bolt hole is formed in the upper side of the type frame(10) into the regular interval. The anchoring bolt(20) and screw nut are inserted in the bolt hole of C type frame. The slide groove(31) is formed into the longitudinal direction so that the head(21) of the anchoring bolt be inserted. The jaw horizontally inbound curved is formed in both ends of the slide groove.
Patent KR-20100104465-A (KR)
Inventor: SHIN HYOUNG BUM
IPC: E02D27/46
Filed: 2009-03-18
Abstract: PURPOSE: A duct for forests is provided to prevent the breakdown of a duct body due to water pressure and soil pressure by forming a triangular duct body. CONSTITUTION: A duct(1) for forests has a triangular shape and is comprised of first to third sides(2-4). An angle between the first and second sides is 100 to 110 degrees. An angle between the second and third sides is 50 to 60 degrees. The angel between the first and third sides is 20 to 30 degrees.
Patent KR-20100107660-A (KR)
Title: High efficency solar ponel of heliostats
Inventor: ROH HONG KOO
IPC: F24D3/02
Filed: 2009-03-26
Abstract: PURPOSE: A heliostat type high-efficiency heat collector is provided to prevent noises by shattering bubbles with circulating water during heating. CONSTITUTION: A heliostat type high-efficiency heat collector comprises a body, a circulating pump, a heater, a controller, and a circulating water swirling member. The circulating pump draws circulating water into an inlet of the body. The heater heats the water pumped by the circulating pump. The controller controls the operations of the circulating pump and the heater. The circulating water swirling member is installed between the outer pipe and the inner pipe of the body and swirls moves the circulating water to flow into the inner pipe.
Patent KR-20100107976-A (KR)
Title: Three dimension user interface apparatus and thereof method
Inventor: CHOI YOO JOO
IPC: G06F3/03
Filed: 2009-03-27
Abstract: PURPOSE: A three-dimensional user interface apparatus for performing the object selection and manipulation in a three-dimensional virtual space is provided to map an event to an application by changing the color of the light emitting diodes. CONSTITUTION: Stereo cameras(110) take a photograph of a light emitting diode of a three-dimensional mouse(100). A CPU(Central Processing Unit)(130) recognizes three-dimensional coordinates of the light emitting diodes and rotation angle. The CPU moves the pointer of the three dimensional mouse according to the rotation angle. The central processing unit determines the event through the change of the color of the light emitting diodes. The central processing unit maps the event about the application.
Patent KR-20100112210-A (KR)
Title: Fabricating method of light emitting device
Inventor: KIM YU SIK
IPC: H01L33/48
Filed: 2009-03-30
Abstract: PURPOSE: A method for manufacturing a light emitting apparatus is provided to appropriately emit white light by thickening the thickness of fluorescent substance in order to increase the quantities of yellow light and red light. CONSTITUTION: A plurality of light emitting structures(110) is formed on a substrate(100a). The light emitting structures comprise a first conductive pattern(112), a light emitting pattern(114), and a second conductive pattern(116). A first chip electrode(140) is electrically connected to the first conductive pattern. A second chip electrode(150) is electrically connected to the second conductive pattern. The material with a high reflectivity is used for the second chip electrode.
Patent KR-20100109072-A (KR)
Title: One-time using cup scorched rice using lotus roots and method for making thereof
Inventor: CHO EUN KYUNG
IPC: A23L19/10
Filed: 2009-03-31
Abstract: PURPOSE: A method for manufacturing instant cup scorched rice using lotus roots is provided to maintain specific color, taste, and flavor of scorched rice. CONSTITUTION: A method for manufacturing an instant cup scorched rice using lotus roots comprises: a step of adding 1-80 weight% of lotus root powder to grain ingredient; a step of adding water for 20-30% of moisture content to make dough; a step of gelatinizing and extruding the dough in a extrusion machine at 60-80°C; a step of making lotus root rice having rice granule form; a step of heating at 200-320°C using a hot-air roaster; and a step of puffing.
Patent KR-20100110144-A (KR)
Inventor: LEE HAN YOUNG
IPC: G08G1/095
Filed: 2009-04-02
Abstract: 본 발명은 신호등과 연계하여 신호등이 보행자 진행신호로 전환될 경우 차량의 정지선 근처에 가상벽이 생성되도록 하여 보행자와 차량간의 가상의 경계를 만들어 운전자의 시각적 인식 향상과 보행자의 횡단보도 이탈을 방지할 수 있도록 하는 가상벽 생성 시스템에 관한 것으로, 본 발명은 가상벽 생성 시스템에 있어서, 녹색 신호등 및 적색 신호등이 온되는 경우 가상벽 생성신호를 출력하는 차량 신호등 장치; 및 상기 차량 신호등 장치로부터 가상벽 생성신호가 수신되는 경우 미리 설정되어 있는 영상이 표시되는 가상벽을 생성시키는 가상벽 생성장치; 상기 가상벽 생성장치는, 가상 벽을 통해 제공될 영상 데이터를 저장하고 있는 저장부와, 상기 차량 신호등 장치로부터 가상벽 생성신호가 입력되는지를 체크하여 가상벽 생성신호가 입력되는 경우 상기 저장부에 저장된 영상데이터를 이용하여 가상벽이 생성되도록 전체 시스템을 제어하는 제어부와, 상기 제어부의 제어에 따라 공기 중에 레이저를 발사하여 상기 저장부에 저장된 영상데이터에 따른 영상이 디스플레이되도록 하는 레이저 발생장치를 포함하여 이루어진 것을 특징으로 한다. 
       
     가상벽, 가상 스크린, 플라즈마 레이저, 신호등, 정지선, 횡단보도
Patent KR-20100111030-A (KR)
Title: Manhole assembly
Inventor: CHO GWANG YEOL
IPC: E02D29/14
Filed: 2009-04-06
Abstract: PURPOSE: A manhole assembly is provided to stably fix a manhole cover to a manhole support without vibration and to completely separate the manhole cover from the manhole support. CONSTITUTION: A manhole assembly comprises a manhole support(10) and a manhole cover(20). A mounting protrusion(11) is formed on the inner surface of the manhole support. The manhole cover is placed on the mounting protrusion of the manhole support. Fixing plates(21-1,21-2) are formed in the manhole cover toward the manhole support.