baber/WOPTO huggingface dataset:
Patent KR-20000018273-A (KR)
Title: The method of manufacturing articles by using waste paper and those articles
Inventor: PARK NO OK
IPC: D21J3/00
Filed: 2000-01-31
Abstract: PURPOSE: A method for producing molding stuffs using waste paper is provided to be able to recycle the waste paper, to conveniently move because the weight of supplies is light and strong, and to easily and variously change the interior decoration according to the sense of a user. CONSTITUTION: A production method comprises processes of: shattering the waste paper by removing moisture by passing a dehydrating process after soaking in water; making to a paste having the viscosity by mixing a flour and an antiseptic at the ratio of 100: 1; solidifying by composing the form of a forming material by kneading the waste paper and the paste at the ratio of 3-5: 1; and coating by passing the process to color after drying by spreading an insecticide and the antiseptic into the surface of the forming material.
Patent KR-20000024281-A (KR)
Inventor: JOO CHIL SEOK
IPC: F16F15/10
Filed: 2000-02-02
Abstract: PURPOSE: A harmonic balancer is provided to improve the stability of components by preventing a bolt and a damper from being separated and extending the lifetime of components as well as increasing the durability. CONSTITUTION: A harmonic balancer is assembled by the steps of: connecting an outer pick-up ring(1) with an inner pick-up ring(2) through plural bolts(10) after arranging the pick-up rings; permanently connecting the front end of the connected bolts by extending it to a jig and a punch; fixing a bearing (13) with a coating process after arranging the bearing on a hub(4a) of a pulley(4); extending the front end of a hollow axis(6) by inserting the hollow axis into a hub of the wafer as well as by arranging an outer diameter pad(8) on the inside of the outer diameter in the pulley; and fixing the inside of the outer diameter for the pulley to the outside of the outer diameter pad through the tack welding.
Patent KR-20010077454-A (KR)
Title: Rear screen video projection system
Inventor: NA MAN HO
IPC: G03B21/56
Filed: 2000-02-02
Abstract: PURPOSE: A rear projection screen in a projection system is provided to process a lens efficiently and widen the range of screen view by forming an incident part of a lenticular lens with plural aspheric ranges, and to improve brightness and contrast of image. CONSTITUTION: A rear projection screen of a projection system comprises a sheet focusing incident rays, and a lenticular lens(401) having an incident part with plural curvatures to diffuse light passing the sheet vertically and horizontally. The inside of the lenticular lens and the projection part contain a light diffusing agent to widen the vertical and horizontal view ranges. The large amount of the light diffusing agent is spread on the projection part. The black stripe is formed in the projection part of the lenticular lens except projecting the light. The optical range of view is widened, and the bright screen is formed with minimizing the projection part of the lens. The contrast is improved with forming the black stripe in the ranges except for the projection part.
Patent KR-20000058280-A (KR)
Inventor: PARK JUN HA
IPC: C23C16/00
Filed: 2000-03-03
Abstract: PURPOSE: A surface treatment method of ferrite based fastening member is provided to carry out surface treatment of a ferrite based fastening member by using a principle of sping that is capable of preventing corrosion phenomenon semi-permanently by basically inhibiting the corrosion phenomenon caused by electrical potential difference of ferrite materials. CONSTITUTION: A surface treatment method of ferrite based fastening members is characterized in that: composite ceramic of 1 to 60 weight percent, which is comprised of at least one element selected from a group of a typical polymer resin and silicon oxide, magnesium oxide, zinc oxide, talc, silver compounds, carbon black, pigment, ethyl acetate, sodium athyl sulfonate, and compounds thereof is mixed into coating liquid; a ferrite based fastening member is dipped into the coating liquid one or more times by using a sping coating machine(10); and then the fastening member is coated with multi-layered thin film. Any ferrite based fastening members such as a bolt, a nut, a piece, a rivet, and the like treated according to the method may have improved corrosion resistance, electrical corrosion preventive capability, chemical resistance, and heat resistance.
Patent KR-20010091139-A (KR)
Title: Disk Backup and Recovery Method, Computer Readable Medium for Storing Program for Carrying out the Method, and System for Supporting the Method
Inventor: JUNG GWANG SU
IPC: G06F17/40
Filed: 2000-03-13
Abstract: PURPOSE: The method and system for the disk backup and recovery are provided for a user to easily backup a disk or files of the disk and to easily recover an OS(Operating System), disk, and backup files in case that the OS is abnormal. CONSTITUTION: An initial menu screen that includes a hard-disk backup, booting diskette, restart as recovery mode, help, and exit button is shown on a display device of a computer(100). If the user pushes the hard-disk backup button on the initial menu screen(102), the backup is proceeded(104). If the user pushes the booting diskette button on the initial screen(106), the booting diskette is made(108). If the user pushes the restart as recovery mode button on the initial screen(110), the recovery of the hard-disk is proceeded(112). Meanwhile, if the user pushes the help button on the initial screen(114), the help about program usage is displayed on the screen(116). If the user pushes the exit button(118), the program ends.
Patent KR-20000030732-A (KR)
Inventor: KIM JONG HO
IPC: B65B25/04
Filed: 2000-03-14
Abstract: PURPOSE: A method for wrapping a green onion is provided to store for a long time and to maximize a distributing limit by preventing the green onion from deteriorating with filled nitrogen gas. CONSTITUTION: A packing method first removes the root part and the leaf end of a green onion, cleanses the green onion and dries wetness. The processed green onion is put into a packing paper(1) made from polyethylene and of which one side is sealed and the other side is open. Inner air of the packing paper is discharged through an opening to make a vacuum state. Then pure nitrogen gas having more than 99.99% is charged into the packing paper and the opening is sealed at the same time.
Patent KR-20010091568-A (KR)
Title: Connector inspection device
Inventor: YANG KI SUN
IPC: G01R31/04
Filed: 2000-03-16
Abstract: PURPOSE: An apparatus for testing a connector is provided to be capable of accurately mounting a connector by installing a guidance holder in front of the connector mount unit. CONSTITUTION: A connector mount unit(34) is provided with a fixed pin and a moving pin(32). A main frame(38) has an air passage. An auxiliary main frame(42) is provided with a hanging projection(40) involved into an inner part by the air pressure flowing through the air passage. A guidance holder(46) is located in front of the connector mount unit(34) and has a guide bar(44) on the one side thereof. The main frame(38) is provided with the connector mount unit(34) having a space in order to mount the connector into the inner side. The moving pin(32) and the fixed pin fixed in rear of the moving pin(32) are installed on the inner part of the connector mount unit(34). The air passage is installed on the inner part of the main frame(38) from the rear to the front thereof where the ancillary main frame(42) is installed. An injecting hole(48) of the air passage is provided on the rear of the main frame(38). A fixing part(50) is formed on the both lower part of the main frame(38) folded as an L-shaped. A guidance hole(52) is formed on the inner part between the connector mount unit(34) of the main frame(38) and the air passage.
Patent KR-20010094099-A (KR)
Title: Method and system for producing a health information
Inventor: CHO KWON SEOK
IPC: G06Q50/22
Filed: 2000-04-04
Abstract: PURPOSE: A system and a method for servicing health information are provided to improve the health of a user by transmitting customized health information to a mobile phone and/or a PC(personal computer) of the user. CONSTITUTION: A user system(10) registers information in an information providing system(20) through the Internet or wireless network. The information contains personal data related to a user who utilizes the user system(10). The user system(10) requests the information providing system(20) to provide information related to a diet and a health care. The user system(10) is a mobile phone(11) or a personal computer(12) of the user. In response to the request from the user system(10), the information providing system(20) transmits questions required for discriminating a physical constitution of the user to the user system(10) through the Internet or wireless network. After receiving answers for the questions from the user system(10), the information providing system(20) analyzes the answers to discriminate the user's physical constitution.
Patent KR-20010094839-A (KR)
Title: Grouping method for information document
Inventor: CHOI HYE JEONG
IPC: G06F40/191
Filed: 2000-04-07
Abstract: PURPOSE: A method for grouping information documents is provided to efficiently transmit information to a user by setting proper numbers to new documents in sequence, by adding a recent document to the registered document or adding the registered document to a recent document. CONSTITUTION: The method for grouping information documents comprises the steps of setting proper numbers to new documents to be registered at a notice board; connecting the proper number to an information relative to an information document in the registered documents; and outputting information connected by the proper numbers as a group. In the step of grouping the information documents, a recent registered document is added to the formerly registered document as a low-ranking menu. Alternatively, the formerly registered document can be added to a recent registered document as a low-ranking menu. Although a certain document is inserted between the information documents or a registered document is deleted, the proper numbers may not be changed.
Patent KR-20010014728-A (KR)
Title: Cellulose ether film
Inventor: MATSUURA SEINOSUKE
IPC: C08J5/18
Filed: 2000-04-12
Abstract: PURPOSE: To provide a cellulose ether film which does not precipitate gelling auxiliary agent during long storage period, can surely keep its good appearance for a long time, and is satisfactorily applicable as a film for a hard capsule. CONSTITUTION: This cellulose film uses, as a base material, a cellulose ether prepared by replacing a part of hydroxide group of a cellulose with an alkyl group and/or an hydroxyalkyl group, and compounding a gelling agent and a gelling auxiliary agent, and in which the total content of alkoxyl group and hydroxyalkoxyl group is controlled to not higher than 37.6 wt.%.
Patent KR-20010097022-A (KR)
Inventor: KIM HEUNG UN
IPC: D06M15/327
Filed: 2000-04-19
Abstract: 본 발명은 600∼20000의 분자량을 갖는 폴리에틸렌글리콜 30∼70 중량%, 디 메틸 디하이드록시 에틸렌 요소 또는 벨크렌디피 60인 가교제 7∼13 중량%, 마그네슘 클로라이드와 구연산 또는 p-톨루엔술폰산을 4∼6:1의 중량비로 혼합시킨 촉매 1∼10 중량%, 및 물 20∼62 중량%로 이루어지는 가공액을 직물 또는 의류에 균일하게 함침시키기 위하여 적시고, 탈수시키는 과정을 반복하여 70∼80%의 웨트 픽업(wet pick up)이 되도록 패딩(padding)시키는 단계; 상기 패딩 단계를 거친 직물 또는 의류를 60∼80℃의 온도 조건에서 저온 건조시키는 단계; 및 상기 저온건조된 직물 또는 의류를 120∼160℃의 온도 조건에서 경화시키기 위한 열처리 단계;를 포함하는 축열 방열 직물 또는 의류에 관한 것이다. 
     특히, 본 발명은 과량의 수지를 바인더로 사용하지 않기 때문에 섬유 특유의 우수한 촉감을 유지할 수 있으며, 축열 방열기능을 갖지 않는 의류에도 용이하게 축열 방열기능을 부여할 수 있는 장점을 갖는다.
Patent KR-20010097134-A (KR)
Inventor: KIM DU CHEOL
IPC: H05K13/04
Filed: 2000-04-20
Abstract: 본 발명은 마운터 헤드에 관한 것으로, 진공을 발생하는 진공 발생부와, 상기 진공 발생부에서 발생된 진공으로 전자부품을 부착하여 원하는 위치로 이동시키는 노즐부를 포함하는 마운터 헤드에 있어서, 상기 진공 발생부는, 외부에서 공급되는 전원으로 작동되어 라인에서 공급되는 공압을 전달하는 제 1솔레노이드 밸브와, 상기 제 1솔레노이드 밸브로부터 공급되는 공압을 좁은 관에 통과시켜 진공을 발생시키는 이젝터를 포함하며, 상기 노즐부는, 외부에서 공급되는 전원으로 작동되어 상기 이젝터에서 발생된 진공과, 상기 라인에서 전달되는 진공파괴용 공압을 전달하는 제 2솔레노이드 밸브와, 상기 제 2솔레노이드 밸브를 통해 공급되는 진공을 상기 전자부품을 부착시키는 노즐과, 상기 노즐로 공급되는 진공의 크기를 측정하여 진공의 크기를 외부로 알리는 진공 센서를 포함하는 것을 특징으로 한다. 
     상기와 같은 구성에 의하면 본 발명은 진공 발생부와 노즐부를 분리시킴으로써 마운터 헤드의 부피를 줄이고, 4포트 솔레노이드 밸브를 사용하여 진공파괴용 공압이 전달되는 경우 이젝터와 노즐을 분리시켜 이젝터측으로 진공파괴용 공압이 유출되는 것을 막아 진공 발생 시간을 단축할 수 있다.
Patent KR-20010097587-A (KR)
Inventor: CHA JI SUNG
IPC: B26B3/03
Filed: 2000-04-24
Abstract: 카트칼의 뒤쪽 뚜껑을 열고 보면 칼날 크기에 맞는 직육면체의 공간이 있어서 손쉽게 칼날을 카트칼속에 수납할수가 있다. 
     또한 그 공간의 크기가 칼날 크기에 맞추어져 있기 때문에 부딪치는 소리도 나지 않을 뿐만 아니라 그 공간의 재질이 고무로 구성되어 있어서 마찰에 의한 손상도 줄일수가 있다.
Patent KR-20000077160-A (KR)
Title: 자동 탐지 및 확보 기능을 갖는 전화기 포트
IPC: H04M1/67
Filed: 2000-05-04
Abstract: 본 발명은 전화기 포트가 사용되고 있는지를 자동 탐지하여 그 전화기 포트와 관련된 전화 회선을 자동 확보하기 위한 방법 및 시스템에 관한 것이다.  본 발명의 일 실시예에서, 하나 이상의 전화 회선을 갖는 전화 시스템에서 전화 회선을 자동적으로 확보하기 위한 방법 및 시스템이 제시된다.  전화 회선에 연결된 장치의 사용이 처음으로 탐지된다.  시스템 내의 전화기는 데이터 패킷에 의해서 상기 전화 회선을 확보하라는 통지를 받는다.  상기 전화기는 상기 데이터 패킷에 응답하여, 사용자가 상기 전화 회선을 이용하는 것을 방지한다.
Patent KR-20010105862-A (KR)
Title: Real-Time Emergency Notifying System using Wireless Transmitter
Inventor: LEE HAK MYON
IPC: G08B25/10
Filed: 2000-05-19
Abstract: A titanium dioxide-based photocatalyst having a monoclinic crystal structure which is obtained by heating titanium dioxide hydrate fibers to 80 to 350 °C and then to 360 to 650 °C. Multi-functional members can be obtained by using this photocatalyst.
Patent KR-20010106687-A (KR)
Title: 산불 예방 시스템
Inventor: HUH SANG ROK
IPC: A62C3/00
Filed: 2000-05-22
Abstract: 본 발명은 산불 예방 시스템에 관한 것으로 특히, 주변습도를 검출하는 수개의 습도센서(1)와; 주변온도를 검출하는 수개의 온도센서(2)와; 바람의 방향을 검출하는 풍향센서(3)와; 바람의 세기를 검출하는 바람속도 감지센서(4)와; 저수조내 수위상태를 검출하는 수위감지부(7)와; 시스템의 제어에 필요한 키신호를 입력시킬 수 있는 키입력부(8)와; 상기 각 센서들로부터 각종 신호를 입력받아 소정 프로그램의 수행을 통해 시스템의 전반적인 제어기능을 수행하는 마이컴(9)과; 특정지역을 충분히 적실 수 있는 양의 물이 저장되는 저수조(10)와; 특정지역 및 장소에 높게 설치되는 철탑(11)과; 철탑(11)을 따라 수직방향으로 설치되는 송수관(12)의 단부에서 사방으로 분기되는 형태로 설치되는 수개의 노즐부(13)와; 상기 키입력부(8) 및 통제소의 메인 컴퓨터(18)로부터 입력되는 키신호 및 제어신호에 부응하여 수개의 노즐부(13) 중 해당 노즐부만을 선택적으로 구동시켜 주는 노즐 구동부(14)와; 통상시 저수조(10)내의 물이 정해진 수위를 유지토록 하는 제 1 펌프(15)와; 마이컴(9)의 제어를 받아 상기 저수조(10)내에 담수되어 있는 물을 송수관(12)을 통해 노즐부(13)측으로 강하게 송출시켜 주는 제 2 펌프(16)와; 상기 마이컴(9)에서 출력되는 습도, 온도, 풍향 및 바람속도 등의 정보를 통제소의 메인 컴퓨터(18)로 전송시켜 줌과 동시에 통제소로부터 전송되어 오는 각종 제어 데이타를 마이컴(9)으로 전달시켜 주는 통신 인터페이스부(17)와; 상기 통신 인터페이스부(17)를 통해 전송되어 오는 각종 데이타와 기상청 통보실(19)에서 통보되어 오는각종 기상정보를 분석하여 물 분사시기와 분사량 및 어느 방향의 분사노즐을 작동시킬 것인지의 여부를 판단하고 시스템의 제어에 필요한 제어신호를 마이컴(9)측으로 송출시켜 주는 통제소의 메인 컴퓨터(18)로 구성하여 건조기에 해당지역에서 산불이 발생되는 것을 미연에 예방시켜 산불의 발생으로 인한 재산상의 물적피해는 물론 자연환경의 파괴, 동식물의 먹이사슬 파괴, 생태계 자체의 파괴 및 주변지역이 피폐로 인한 장마시 산사태의 발생 등을 미연에 방지할 수 있도록 한 것이다.
Patent KR-20010107195-A (KR)
Inventor: KIM YOUNG HO
IPC: A61N2/04
Filed: 2000-05-25
Abstract: 본 발명은 저주파 지기장과 펠티어소자의 흡열반응을 이용한 졸음방지장치로서 7∼14Hz의 원적외선 파장대에서 펠티어소자의 흡열반응을 이용하여 머리의 이마, 관자놀이, 목뒤부분등에 5∼10℃정도로 냉각시켜 졸음을 방지하면서 두뇌에 기억력을 증강 시키는 발명으로서 종래에는 졸음방지를 하기 위하여 찬물을 이용하거나 졸음과 동시에 경보가 울리는 장치, 인체에 자극을 주는 방법, 약물의 복용, 방향제의 비공삽입 등을 이용하고 있으나 일시적인 효과외 지속적인 효과를 얻지 못하고 이에 따른 부작용이 많이 발생되는 실정이다. 본 발명은 이러한 문제를 해결하기 위하여 펠티어 소자의 흡열반응과 7∼14Hz 의 원적외선 파장을 이용하여 차량운전자, 심야 근무자, 학생등이 사용하기 쉽게 졸음을 방지하면서 누뇌의 활성화를 주어 정신집중이 잘되어 기억력이 증강되는 새로운 기술을 공급하게 된 것이다.
Patent KR-20010007208-A (KR)
Inventor: CHEN JIUNN-TSAIR
IPC: H04W72/04
Filed: 2000-06-02
Abstract: PURPOSE: A method is provided to reduce all interference between wireless terminals by allocating codes to plural wireless terminals based on decided plural channel characteristics. CONSTITUTION: A combined signal is transmitted to a simultaneous channel estimator(114) and a space-time matched filter(116). The simultaneous channel estimator(114) receives a base band signal and decides characteristics of a wireless channel where the signal is received. A base station(102) has a code optimizer(118) for allocating a code to a wireless terminal. A processing set is initialized with respect to one of the wireless terminals. A target wireless terminal is selected from the processing set. When there is only one wireless terminal in the processing set, the wireless terminal is selected as the target wireless terminal. Regarding the wireless terminal selected as the target, random code search is executed.
Patent KR-20010110932-A (KR)
Inventor: HA HONG JU
Filed: 2000-06-09
Abstract: 본 발명은 플라즈마 디스플레이 패널의 격벽형성방법에 관한 것으로, 더욱 상세하게는 격벽 형성시의 포토 패터닝 작업 효율을 높이기 위한 플라즈마 디스플레이 패널의 격벽형성방법에 관한 것이다.  본 발명은 드라이 필름 레지스터의 접착력을 높이기 위해서, 드라이 필름 레지스터를 패널에 형성하기 전에 레진과 같은 접착제를 미리 도포하는 것을 특징으로 한다.  따라서 패널에 형성된 드라이 필름 레지스터의 접착력을 높여, 샌드 블라스트에 의한 격벽 형성을 가능하게 한다.
Patent KR-20020002833-A (KR)
Title: A rectifier device of alternator for vehicle
Inventor: LEE BYEONG JIN
IPC: H02K9/28
Filed: 2000-06-30
Abstract: PURPOSE: A rectifier of an AC generator for a vehicle is provided to improve a radiating efficiency by installing a heat sink into which an element is inserted and eliminating necessity of a space between the heat sinks. CONSTITUTION: A plurality of element body resting grooves(122a) are formed on heat sinks, and allow an element body(121a) to be inserted thereinto. A terminal support groove(122b) is formed on a lower part from the element body resting grooves(122a), and allows a lead terminal(121b) of the element(121) to be inserted thereinto.
Patent KR-20010029908-A (KR)
Inventor: OMIYA KAYOKO
IPC: H01L21/768
Filed: 2000-07-08
Abstract: PURPOSE: A method for selectively forming copper film is provided to deposit copper selectively on the copper-film-formation requiring regions of an underlying film and to reduce the cost of the raw material of copper. CONSTITUTION: A method for selectively forming copper film consists of the first step of forming on the surface of the underlying film(22) provided on a substrate(21) the thin-film made of a silane coupling agent or an interfacial active agent, and the second step of projecting UV rays on the copper-film formation prearranging regions of the thin film to perform on these regions the CVDs of copper.
Patent KR-20000059033-A (KR)
Inventor: KANG BYUNG HO
IPC: G06Q30/06
Filed: 2000-07-11
Abstract: PURPOSE: A method for ordering printed matter on the internet is provided to order items of different markets in one place conveniently on the internet and to configure printed object matter into a customized style through a real-time chatting program. CONSTITUTION: If a user selects desired printed object matter after logging in, samples are displayed. The user selects goods in a desired item and selects necessary specifications. A real-time chatting program is provided so that printed object matter can be edited by the mutual conference between a demander and a supplier. Then, the supplier makes an offer and the user makes an order. Finally, ordered printed object matter is delivered to a desired place on a desired date.
Patent KR-20020010342-A (KR)
Inventor: KIM HYEON GU
IPC: H01L23/495
Filed: 2000-07-29
Abstract: PURPOSE: A structure of a high density lead frame is provided to reduce package defects, by improving the structure of the high density lead frame(HDL) so that flash remaining in the outer of a package after a molding process is minimized. CONSTITUTION: A die pad(6) is used for settling a semiconductor chip. Inner leads(1) are disposed on the circumference of the die pad, separated from each other. Outer leads(2) are extended to the outside of the inner leads. A dam bar(5) is located on the boundary between the inner leads and the outer leads. A groove(3) is located inside the dam bar, not getting out of a molding region(M).
Patent KR-20020010416-A (KR)
Title: Method of advertisement in internet
Inventor: KIM DAE YOUNG
Filed: 2000-07-29
Abstract: PURPOSE: An Internet advertising method is provided to maximize the effectiveness of advertisement by directly showing various and plentiful digital contents of advertiser web sites to the netizens. CONSTITUTION: After making advertising contracts with a plurality of advertisers, the operator of New advertisement, an Internet advertising site, inserts banner advertisements on its web site(a100). If a netizen clicks on a complete button after making out a subscription form, the computer server of New advertisement executes data processing for an inputted ID and inputs the ID in Adware. At the same time, the computer server downloads Adware to the netizen's computer and makes it automatically installed(a200). If the netizen accesses New advertisement again and inputs his ID and password, the computer server transmits a plurality of URLs, indicating specific lower menus in the advertiser web sites, and other data all at once(a300). If the netizen clicks on one among the banner advertisements inserted in New advertisement(a400), the initial screen of an associated advertiser's web site corresponding to the selected banner advertisement is displayed(a500).
Patent KR-20020011640-A (KR)
Title: Process for producing high temperature coal with low-environmental pollution effect by using low-grade coal material and additive composition for the same
Inventor: AHN HEON SIK
IPC: C10L9/10
Filed: 2000-08-03
Abstract: PURPOSE: A method for manufacturing low pollution high temperature coal is provided which generates a high quantity of heat even with the addition of the minimum amount of an additive, and a composition of an additive is provided which is usefully used in manufacturing the low pollution high temperature coal. CONSTITUTION: The composition of an additive for low pollution high temperature coal is characterized in that iron oxide(II), silica, granite, sulfur, talc and diatomaceous earth are contained in amounts of 12 to 17 wt.%, 17 to 22 wt.%, 10 to 13 wt.%, 7 to 10 wt.%, 3 to 7 wt.% and 33 to 47 wt.% respectively based on a weight of the total composition, and each constituents are in a powder shape in the particle size range corresponding to 50 to 120 meshes. The method for manufacturing low pollution high temperature coal is characterized in that the low pollution high temperature coal is manufactured by mixing a composition of an additive for low pollution high temperature coal in an amount of 0.0001 to 0.01 wt.% for the amount of low-grade coal, wherein the composition of the additive for low pollution high temperature coal comprises 12 to 17 wt.% of iron oxide(II), 17 to 22 wt.% of silica, 10 to 13 wt.% of granite, 7 to 10 wt.% of sulfur, 3 to 7 wt.% of talc and 33 to 47 wt.% of diatomaceous earth respectively based on a weight of the total composition, and each constituents are in a powder shape in the particle size range corresponding to 50 to 120 meshes.
Patent KR-20000072147-A (KR)
Inventor: PARK JAE HYEOK
IPC: G06F1/16
Filed: 2000-08-07
Abstract: PURPOSE: A computer casing structure is provided for implementing a beautiful outer appearance compared to a conventional box type structure and easily storing a recording medium such as floppy diskette, CD, etc. in computer main body. CONSTITUTION: A computer casing structure includes a cylindrical column shape base unit(20) on which a casing(10) of a main body(B) is horizontally placed on the bottom, a rotation unit(30) engaged with the base unit(20) and being rotatable in the circumferential direction, and a position fixing unit for integrally fixing the rotation unit(30) at the base unit(20).The elements such as a hard disk(12), a ROM drive(13), and a floppy disk(14) which must be stably installed and are partially extended to the outside of the main body, are horizontally installed in the base unit(20).