baber/WOPTO huggingface dataset:
Patent KR-20010073784-A (KR)
Inventor: HWANG MIN GYU
IPC: H01L25/07
Filed: 2000-01-20
Abstract: PURPOSE: A one system module structure is provided, in which a power pin is mounted to the ceramic PCB and a signal pin is mounted to the epoxy PCB, to thereby obtain compact module and achieve an improved space utilization of the PCB. CONSTITUTION: A module body(100) has a groove formed at the bottom surface of the module body so as to accommodate a ceramic PCB(101), and a groove formed at the intermediate side surface of the module body so as to accommodate an epoxy PCB(102). A socket(103) for signal transmission is arranged between the ceramic PCB and the epoxy PCB, and a power pin(104) for receiving a power signal from an external source is mounted onto the ceramic PCB. Power elements(BD&Tr,HVIC,IGBT&FWD) are connected onto the ceramic PCB through a wire bonding, and a signal pin(105) for receiving signals from an external source is mounted onto the epoxy PCB, in such a manner that the signal pin is separated from the power pin. The micro computer element(MICOM) and its peripheral circuit elements are mounted onto the epoxy PCB through a wire bonding. A cover(106) is arranged to cover all over the module so as to protect the module body accommodating PCBs and other elements.
Patent KR-20010076992-A (KR)
Title: Arc detecting apparatus for plasma polymerization system and the method therefor
Inventor: CHOI HWAN JONG
IPC: H05H1/00
Filed: 2000-01-29
Abstract: PURPOSE: A device and method of measuring arc of plasma treatment system is provided to measure arc generated in a polymerization chamber. CONSTITUTION: A plasma treatment system deposits high polymers on the surface of members in a chamber(2) by generating the plasma in a manner that anode and cathode electrode(1) is equipped into the chamber(2) and high voltage is applied to the electrode(1). A voltage sensing section senses the applied voltage to the electrode(1). A controlling section measures the number of ARC generation and ARC strength by using a variation an input signal provided from the voltage sensing section. The voltage sensing section includes an analog and digital conversion section(7) for converting an input terminal of the electrode(1) and an analog signal, and outputting the converted signal to the controlling section.
Patent KR-20010077096-A (KR)
Title: Method for preparing metal oxide precursor
Inventor: LEE JUN GI
IPC: C07F9/94
Filed: 2000-01-31
Abstract: PURPOSE: Provided is a method for producing a metal oxide precursor which has the improved solubility in organic solvents and is thus used in forming thin layer. CONSTITUTION: The method for producing a metal oxide precursor bismuth - strontium - tantalium oxide(SBT) precursor comprises the steps of: adding solvents and crown ether compounds into bismuth compounds having C1 to C8 alkylcarboxylate and mixing them to produce a first solution; adding strontium compounds having C1 to C8 alkylcarboxylate ligands into the first solution and mixing them to produce a second solution; adding tantalium compounds having C1 to C5 alkoxide ligands into the second solution and mixing them to produce bismuth - strontium - tantalium oxide(SBT) precursor solution; and removing solvents from the SBT precursor solution.
Patent KR-20010077270-A (KR)
Title: Polymer material for nonaqueous secondary battery and a process for preparing the same
Inventor: LEE YEONG GI
IPC: H01M10/056
Filed: 2000-02-01
Abstract: PURPOSE: Provided is a polymer material for a non-aqueous secondary cell, which is excellent in compatibility with organic solvents, impregnation property into organic electrolyte, ionic conductivity, and mechanical property. CONSTITUTION: The polymer material is produced by a process comprising the steps of: neutralizing methyl methacrylate-methacrylic acid copolymers having a repeat unit represented by the formula 2 with alkali metal hydroxide water solution to obtain methyl methacrylate-alkali metal methacrylate copolymer ionomers having a repeat unit represented by the formula 1; dissolving the copolymer ionomers and a vinylidene fluoride polymer in the weight ratio of 1:99-99:1 in a cosolvent and adding an organic solvent as a plasticizer to obtain a homogeneous solution; casting the homogeneous solution and volatilizing the cosolvent to obtain a polymer film; extracting the plasticizer by impregnating the polymer film with a low alcohol to obtain a porous polymer film. In the formula, x is 0.01-0.99 and M is Li, Na, or K.
Patent KR-20010077733-A (KR)
Title: Method and apparatus for data transmission of communication systems
Inventor: KIM EUNG SUK
IPC: H04W28/22
Filed: 2000-02-08
Abstract: PURPOSE: A data transmission apparatus of a communication system and a method thereof are provided to predict of the ABR(Available Bit Rate) of the communication system by controlling the variation of a VBR(Variable Bit Rate) in a communication system using common transmission media. CONSTITUTION: A receiving module(11) of the communication system(10) in a transmitting side receives an ABR transmitted from the communication system(20) of a receiving side. A transmission rate-controlling module(12) controls a transmission scheduler on the basis of the received ABR. A transmission scheduler module(13) stores the data to be transmitted in a transmission queue(14), and transmit the data a transmitting module(15) according to the control signal of the transmission rate-controlling module(12). The transmitting module(15) transmits the data received from the transmission scheduler module(13) to the communication system(20) of a receiving side via common transmission media by using a modulation.
Patent KR-20010006632-A (KR)
Inventor: KATAYAMA OSAMU
IPC: G06F40/00
Filed: 2000-02-12
Abstract: PURPOSE: To identify the language of an input character string by utilizing the description characteristics of the language, remarking a specific character that frequently appears in the language and finding the appearance rate of the specific character in a character string being an identification object. CONSTITUTION: The language of an input character string is identified by finding the appearance rate of a specific character in a character string being an identification object, calculating the average value of character string lengths between the specific characters or finding the appearance rate of a specific range character by providing a specific character counter (102) which detects the appearance rate of the specific character from the number of appearances of the specific character in the input character string, a standard appearance rate memory (105) which stores a specific character reference appearance rate of a detection target language and a comparator (106) which compares the appearance rate of the specific character in the input character string with the specific character reference appearance rate of the detection target language.
Patent KR-20000058042-A (KR)
Inventor: CHADANIKAZO
IPC: G03G21/18
Filed: 2000-02-15
Abstract: PURPOSE: A developer container, a developer device, process cartridge and an image forming device translate the driving power from a main assembly of the image forming device to components. CONSTITUTION: A developer container includes a body, a sealing member, and a driving translator device. The developer container is mounted on the main assembly and contains developer agent. The body includes an opening for supplying the developer agent and contains the developer agent. The sealing member seals the opening of the body. The driving translator device translates the driving power from the main assembly of the image-forming device to components so as to apply the force to release the sealing member. The driving translator device transfers the driving power to a movable-driving member after releasing the sealing member.
Patent KR-20010083514-A (KR)
Title: Fluorescent lamp for advertisement
Inventor: KIM HUI MUN
IPC: G09F13/00
Filed: 2000-02-15
Abstract: PURPOSE: A fluorescent lamp device for advertising is provided to reduce power consumption and prevent fire or injury of human body which can be caused by high voltage electricity by applying to the advertisement a fluorescent lamp device in which an inner case body electrically connected to a fluorescent lamp is inserted into one side of an outer case body to which a choke transformer is mounted. CONSTITUTION: The fluorescent lamp device for advertising comprises an inner case body (10), wherein a built-in condenser (C) is electrically connected with a fluorescent lamp (FL) inserted to one side of a body (12), thus being connected to contact points (14) formed on the other side of the body; an outer case body (20) having a rectangular shape the upper part of which is opened, wherein a body (20a) is divided into a mounting part (22) and an inserting part (26) by a partition (24), and conductive leads (28) are projected from one side of the inserting part (26) so that the conductive leads (28) are contacted with the contact points (14) of the inner case body (10) inserted into the inserting part (26); and a choke transformer (CT) mounted to the mounting part (22) formed in the outer case body (20) so as to protect the fluorescent lamp (FL) from the electrical impact, wherein the corner of the lower part of the body (12) of the inner case body (10) is tapered.
Patent KR-20010085140-A (KR)
Title: A settlement system and method using electronic card through internet
Inventor: LEE SOO SUNG
IPC: G06Q20/16
Filed: 2000-02-29
Abstract: PURPOSE: An electronic card settlement system and method using Internet is provided to offer various services, such as payment, electronic card charging, reservation, remittance, transfer, etc., through Internet using electronic cards. CONSTITUTION: An electronic card settlement system(100) is comprised of electronic cards(110), affiliated store electronic card terminals(120-140), an electronic card settlement agency part(160), a bank settlement part(170), a service providing part(180), and a communication network(150). The electronic cards(110) are to integrate all the functions of various kinds of card. The affiliated store electronic card terminals(120-140) read and/or update the contents recorded in the electronic cards(110), input subscribers' requirements, provide communication interfaces with external systems, and execute necessary information processing at affiliated stores. The electronic card settlement agency part(160) settles the price for an electronic card settlement request from an affiliated store, instead of the subscriber. The bank settlement part(170) manages the accounts of subscribers, affiliated stores and agents. The service providing part(180) offers various services, such as electronic commerce, home shopping, payment by proxy for public imposts, etc., to subscribers. The communication network(150) is provided to connect the components of the electronic card settlement system(100) mutually.
Patent KR-20000058284-A (KR)
Inventor: BAEK WON GI
IPC: G06Q50/10
Filed: 2000-03-07
Abstract: PURPOSE: An internet game method using cyber money is provided to raise clients' interest and to increase the advertisement rating through a racing game which is provided for clients insecuring cyber money from advertisement click. CONSTITUTION: The internet game method using cyber money includes several steps. A step(S103) is to connect an internet horse-race site. Thereafter, a step(S105) is to input an ID and a password for participating the horse-race game. A web server discriminates the connection state of client and transmits the result to a manager's computer. A user is to connect a home page having a plurality of internet advertisements provided by the manager's computer(S107) and stores cyber money by clicking the internet advertisements. The cyber money is stored to a section formed to the web server(S109)(S111). The user stores continuously the cyber money through the internet advertisements and performs a horse-race betting by using the cyber money when the cyber money becomes a predetermined amount or more.
Patent KR-20010091747-A (KR)
Title: Filter Pump
Inventor: NAMKUNG SUN
IPC: B67D7/60
Filed: 2000-03-17
Abstract: PURPOSE: A pump equipped with a filter is provided to filter oil completely without waste of oil by combining the filter with the outflow portion. CONSTITUTION: A rubber ring is installed to prevent leakage of oil. The oil is firstly prevented from leakage by combining a bolt and a nut. The bolt is combined with the nut in a portion combining a transparent case(I). A filter(H) is conveniently replaced by combining a lower portion of the filter with the bolt and the nut. The transparent case conveniently checks the polluted state by a user. Moreover, the transparent case decides whether the filter is normally replaced. Thereby, the filter is easily mounted on a tube pump. The tube establishing the filter prevents leakage of the oil to save the oil. In addition, the oil is filtrated by connecting a discharge port to the filter. Thus, the residue of the oil contained in the tube is discharged through a discharge port by filtrating with the filter.
Patent KR-20010069182-A (KR)
Title: Cancer cell-specific gene expression system
Inventor: HAN JEONG HUI
IPC: C12N15/63
Filed: 2000-04-08
Abstract: PURPOSE: A gene expression system being specific to a cancer cell is provided, which is not harmful to a normal cell, acts on only a cancer cell by modifying a structural gene and is thus useful for the gene therapy against a cancer cell. CONSTITUTION: A gene expression system being specific to a cancer cell contains a promotor including a binding site of transcription factor EF 2 protein and a structural gene selected form the group consisting of a cell suicide gene, a cytokine gene, a gene for controlling immunity, an antisense gene and a gene for suppressing a cancer.
Patent KR-20010096875-A (KR)
Inventor: KIM KI DUCK
IPC: B60B33/08
Filed: 2000-04-15
Abstract: 본 발명은 사방 어느 방향으로도 방향 전환이 신속하게 이루어지도록 함과 동시에 회전반경을 최소화할 수 있도록 하면서 바퀴의 노출을 최대한 억제하여 외관미가 띄어나도록 설계된 의자용 회전바퀴에 관한 것이다. 
     즉, 본 발명에 따른 회전바퀴(R)는 지면과 접촉하는 구형의 회전볼(1)과, 상기 회전볼(1)의 수직중심선에서 떨어진 상단 측면에 면 접촉하면서 회전볼(1)의 회전을 전달받는 고정로울러(2)와, 상기 고정로울러(2)가 선단부에 고정 설치됨과 아울러 회전볼(1)의 회전을 전달하는 경사축(3)과, 상기 경사축(3)이 저면 측면부에 중심선과 경사지게 부착 고정됨과 아울러 경사축(3)을 통해 전달되어 오는 회전볼 (1)의 회전력을 받아 방향 전환이 가능하도록 볼베어링(5)이 구비된 회동판(4)과, 의자 다리 하단에 부착 고정됨과 아울러 상기 회동판(4)이 저면에 회동이 자유스럽게 밀착 연결되어 있는 고정판(6)과, 상기 회전볼(1)이 약간 외부로 노출되도록 하면서 상기 각 부재들을 감싸고 있는 외부케이스(7)로 구성된 것을 특징으로 한다. 
     그리고, 상기 회전볼(1)의 측면에는 잠금장치(L)가 구비된 것을 특징으로 한다.
Patent KR-20000037425-A (KR)
Inventor: JEONG BYUNG JUN
Filed: 2000-04-24
Abstract: PURPOSE: An auction system is provided to provide a new method of adding motion picture function to the existing online auction system, and to enable a group composed of auction participants to jointly bid for merchandise adequate to the group's taste. This system is also provided to maximize the reliability of customers by posting pictures about an actual object in auction, and for inducing the effect of lowering the price of merchandise by constituting a temporary group among participants using chatting function. CONSTITUTION: An auction system with chatting and motion picture function is same to the existing online auction system, but the chatting and motion picture function are added to the proposed system. The chatting function is used for inducing an advantageous bidding result by composing a group of participants at the time of participation of bidding. A seller can post pictures of merchandise as a real object in the auction system using the motion picture function. The motion picture function automatically transmits pictures of merchandise to an electronic mail address of a successful bidder.
Patent KR-20010100365-A (KR)
Inventor: SHIN KWANG SHIC
Filed: 2000-05-01
Abstract: 본 발명은 광고 방법에 관한 것으로, 인터넷 상에서의 컴퓨터를 포함한 통신 기기를 통한 광고의 수신이 연령별/성별로 구분되도록 하기 위한 통신 기기의 연령별/성별 광고 수신 방법이 개시된다. 본 발명에 따르면, a) 적어도 하나 이상의 광고주로부터의 광고 정보를 수집하는 단계; b) 상기 수집된 광고 정보를 수신자 연령별/성별 선호도에 따라 분류하고, 상기 분류된 광고 정보를 데이터 베이스화시키는 단계; c) 광고 청취 요구 신호를 통신망을 통해 발신하며, 통신 기기로부터 상기 발신된 광고 청취 요구 신호에 응답하는 착신 신호를 검출하는 단계; d) 상기 광고의 착신 신호가 검출되면, 상기 수신자의 연령 정보를 수신하는 단계; e) 상기 수신된 연령 정보에 기초하여 상기 데이터 베이스화된 광고 정보를 선별하고, 상기 선별된 광고 정보를 상기 통신망을 통해 전송하며, 상기 통신 기기로부터의 광고 청취 확인 신호를 일정 주기로 수신하는 단계; 및 f) 상기 수신된 광고 청취 확인 신호에 기초하여 적립금을 산출 및 적립하는 단계로 이루어져, 무분별한 광고 전송이 수신자의 해당 연령에 필요한 광고가 전송되어 광고의 시청률을 증대시킬 뿐만 아니라, 광고 시청에 따른 연령별/성별로 유익성이 부각되는 효과를 얻는다.
Patent KR-20000053899-A (KR)
Inventor: KIM SUNG CHUL
IPC: A23L17/00
Filed: 2000-05-06
Abstract: PURPOSE: A fish cake(boiled fish paste) is provided, which wraps jabchae, a mixed dish of Chinese noodle, vegetables and sliced beef, then is fried and served as a nutritive snack. CONSTITUTION: A fish cake with jabchae is produced by the steps of compounding fish cake, making jabchae by mixing 80wt% of jabchae noodles, 15% of vegetables, 2wt% of soy bean cake, 1wt% of meat and 2wt% of cooking oil, cooling the fish cake and the jabchae and removing to a double nozzle, rolling the jabchae with the fish cake by passing through the nozzle, cutting the rolled fish cake from the nozzle into a regular size and frying the cut fish cake with jabchae inside.
Patent KR-20000077257-A (KR)
Title: 벤드 배향하는 액정을 이용한 액정 표시 장치 및 그 구동방법
IPC: G09G3/36
Filed: 2000-05-13
Abstract: 액정에 화상을 표시하기 위한 표시 전압보다 높은 전이 전압을 인가하면 액정을 벤드 전이시킬 수 있다.  여기에서, 화상 표시 기간 이전에 전이 전압을 전이 기간 만큼 인가하고, 액정을 벤드 전이시켜 둠으로써 화상 표시 기간에서는 OCB 모드를 이용할 수 있으며, 응답 속도가 빠른 LCD로 할 수 있다.  또, 전이 기간은 전이 전압에 의해 결정된다.  화소 영역의 간극 d을 예를 들어 5㎛의 전이 거리 이하로 함으로써, 화소의 간극을 넘어 벤드 배향이 확산되고, 표시 영역 전체를 벤드 배향시킬 수 있다.  또, 액티브 매트릭스형 LCD에서는, 공통 전극에 전이 전압을 인가함으로써, 화소 전극 간에 위치하는 데이터선이나 게이트선 사이에도 전계를 발생시켜, 표시 화면 전체를 벤드 전이시킬 수 있다.  배향막에 부여된 프리틸트각을 1.2°보다 크게 하여, 벤드 배향의 전이 인자(6)을 많이 발생시켜, 확실하게 벤드 전이시킴과 동시에 전이 속도를 빠르게 할 수 있다.  또, 프리틸트각을 3㎛보다 작게 하여, 벤드 배향에서의 응답 속도를 빠르게 할 수 있다.
Patent KR-20010014951-A (KR)
Inventor: MAEDA SHIGENOBU
IPC: H01L27/04
Filed: 2000-05-20
Abstract: PURPOSE: To put up a higher barrier at a low cost to the unauthorized use of a user terminal. CONSTITUTION: A channel region 2, a source region 3, and a drain region 4 are formed on a polycrystalline semiconductor layer 1. A polycrystalline TFT 101 varies in characteristics depending on the volume of crystal grain boundaries 6 contained in the channel region 2. A drain current becomes smaller with an increase of grain boundaries 6 in the channel region 2. The TFT 101 is mounted together with a coding circuit on a semiconductor chip or a system so as to use codes obtained by coding the electrical properties of the TFT 101 for discriminating a semiconductor chip or a system.
Patent KR-20010107356-A (KR)
Title: 납땜용 무연합금
Inventor: KIM KYOUNG DAE
IPC: C22C13/00
Filed: 2000-05-26
Abstract: 본 발명은 전기 및 전자제품의 생산시 부품을 기판에 고정시키는 역할을 하는 땜납에 관한 것으로, 납(Pb)을 함유하지 않는 합금에 의해 납땜이 이루어지도록 하여 납의 중독 등에 의한 피해를 방지할 수 있도록 한 것이다. 
     이를 위해, 본 발명은 은(Ag)이 1.0 - 4.0 중량%, 비스므스(Bi)가 0.1 - 10.0 중량%, 안티몬(Sb)이 0.5 - 3.0 중량%, 인(P)이 0.0001 - 3.0 중량%, 나머지가 주석(Sn)으로 조성된 것이다.
Patent KR-20010109363-A (KR)
Inventor: CHO SEONG RAE
Filed: 2000-05-29
Abstract: 본 발명에 따르면, 레드, 그린 및, 블루에 해당하는 전자 비임을 발생시키는 캐소오드와; 상기 전자 비임들이 각각 통과되는 전자 비임 통과공들이 형성된 복수개의 전극들;을 구비한 컬러 음극선관용 전자총에 있어서, 상기 복수개의 전극들중 하나에는 종장형 전자빔 통과공이 형성되어 있고, 상기 종장형 전자빔 통과공이 형성된 전극에 대하여 마주하는 다른 전극에는 중앙의 그린 전자빔 통과공이 횡장형으로 형성되고, 상기 중앙의 전자빔 통과공 양측에는, 상기 중앙의 전자빔 통과공에 근접한 변의 종방향 길이가 상기 중앙의 전자빔 통과공으로부터 이격된 변의 종방향 길이보다 크게 형성된 횡장형의 레드 및, 블루 전자빔 통과공이 형성된 것을 특징으로 하는 컬러 음극선관용 전자총이 제공된다.
Patent KR-20010108589-A (KR)
Inventor: LEE CHANG HEE
Filed: 2000-05-29
Abstract: 인터넷TV 전자상거래시 카드결제는 카드번호, 비밀번호등과 개인정보등이 쉽게 노출됨으로 인한 문제를 가지고 있다. 본 발명은 리모콘에 사용자 정보를 ROM(RAM)에 내장하여 신용카드 결제에 필요한 개인정보를 전송함으로써 인터넷TV 전자상거래상에서 발생할수 있는 개인정보 유출을 방지하는 방법이다. 또한 전자결제 구동 프로그램을 이용하여 프로그램 가동시 전문사이트를 연결하는 포탈사이트를 구성, 전자상거래 사업 및 지역정보 제공 사업, 인터넷TV 광고 사업등을 구성할 수 있다. 전자상거래시 정보를 전송하는 명령을 선택하는 리모콘 버튼에 지문인식 센서를 부착하여 완벽한 보안유지 전자상거래 결제를 가능하게한다.
Patent KR-20000054289-A (KR)
Inventor: OH JEONG JUN
IPC: G06F15/16
Filed: 2000-05-31
Abstract: PURPOSE: A method for automatic multi-posting is provided to inserts predetermined data for information on companies and commodities in boards of specific many home pages, so that waste of time is minimized by inserting information on commodities in many home pages simultaneously. CONSTITUTION: A method for automatic multi-posting comprises the steps of: authenticating whether a user is registered as membership; receiving an input form by the authenticated user(here, the input form includes company information); assigning identification codes to web page addresses of member companies in order of begin registered as membership; transmitting the input form to a company web page address having an upper identification code based on the identification codes(a); transmitting the input form to a company web page address having a next upper identification code(b); and completing transmission of the input form by repeating the (a) and (b) steps.
Patent KR-20010109667-A (KR)
Inventor: PARK JIN SU
Filed: 2000-06-01
Abstract: 본 발명은 이동통신 네트워크와 공중교환 전화네트워크(PSTN)의 통합 서비스에 관한 것으로서, 특히 이동통신 네트워크와 공중교환 전화네트워크의 가입자 서비스를 통합하는 방법 및 장치에 관한 것이다. 이동 단말기의 가입자가 PSTN을 통해서 서비스를 받을 수 있음을 알리기 위하여 이동 단말기 및 그에 인접한 PSTN 단말기의 위치를 이동통신 네트워크와 PSTN에 등록하면, 이동 단말기의 착신시, 이동 단말기 가입자의 상태(위치등록이 되었는지, 해당 이동 단말기가 서비스 가능 지역에 있는지 등)와 트래픽 분배, 호 부하율, 각 네트워크의 이상유무 및 가입자의 통화 경향 등을 고려하여 두 네트워크 가운데 하나의 네트워크를 통해 이동 단말기 또는 PSTN 단말기로 통신 서비스가 제공되도록 한다. 
     이로써 본 발명은, 이중화된 두 네트워크를 통해 이동 단말기의 가입자에게 안정된 통신 서비스를 제공하며, 이동통신 네트워크의 과부하 또는 이동통신 네트워크/PSTN의 장애시에도 다른 네트워크를 통해 가입자에게 통신 서비스를 제공할 수 있다.
Patent KR-20010049474-A (KR)
Inventor: GARCIA-DOMINGUEZ NEFTALI
IPC: A61P25/18
Filed: 2000-06-02
Abstract: PURPOSE: Provided is a novel compound, arylpiperazimylalkyl-3(2H)-pyridazinone, having high affinity to serotonin 5HT1A receptor and 5HT2 receptor, and dopamine D2 receptor, and useful as a nonspecific antipsychotic agent due to the presence of a 3(2H)-pyridazinone group. CONSTITUTION: The novel compound is arylpiperazimylalkyl-3(2H)-pyridazinone represented by the formula(I), wherein R1 is methyl or phenyl; R2 is H or methyl; n is 2-4; R3 is a (substituted) naphthyl or phenyl|, e.g. 6-methyl-2-(4-(4-naphthylpiperazin-1-yl)butyl)-3(2H)-pyridazinone. It is manufactured by condensing a compound of formula(II) in which Z is Cl or Br with a piperazine of formula(III) in the presence of a base at a temperature within the range from 20 deg.C to the boiling point of the reaction mixture in an inert solvent. The compound of formula(II) can be obtained by reacting an alkyl dihalide with a compound of formula(IV) in a nonprotonic solvent or in dimethylformamide with solid potassium hydroxide at a temperature within the range from room temperature to 100 deg.C in the presence of a strong base.
Patent KR-20010110851-A (KR)
Inventor: CHOI CHOON SIK
Filed: 2000-06-08
Abstract: 본 발명은 연약지반의 지반 강도를 증대시키기 위한 연약지반의 지내력 증강 방법 및 그 장치에 관한 것으로, 연약지반의 토질조사와 조사된 토질에 따라 정하는 말뚝을 심기 위한 구멍의 크기와 갯수를 정하여 구멍을 천공하는 제1공정과, 말뚝을 형성하기 위해 직물로 되는 주입자루에 주입관을 삽입한 후 주입자루의 개구부를 봉하며 상기 주입자루의 겉을 다단으로 묶어 주입자루의 모양을 간추리고, 또 충전재주입의 주입정도를 측정하는 수단으로 사용되는 다수의 졸림고리줄을 필요에 따라 주입자루의 겉에 상하 다단계로 졸림묶음시켜 주입자루를 완성하는 충전재주입 측정수단을 설치하는 제2공정과, 상기 주입자루를 지반에 천공한 제1공정의 구멍에 넣은 후 주입관을 통하여 플라이애쉬 또는 바틈애쉬(Bottom ash)와 시멘트, 물과 필요한 양 만큼 혼화제 등을 중량비로 혼합한 겔상의 충전재를 주입자루에 강제로 주입하여 충전재의 양생으로 지반의 다수 개소에 말뚝을 심는 제3공정과, 상기 제3공정에 의하여 지반의 다수 개소에 말뚝을 심은 후 지상에 노출된 주입자루와 주입관을 마무리짓는 제4공정과, 상기 제2공정의 충전재주입수단으로서 주입자루의 구성에 관한 충전재주입장치로 되는 것이다.