baber/WOPTO huggingface dataset:
Patent KR-20000038872-A (KR)
Title: Pumping-device of concrete and installation
Inventor: JO WON KUK
IPC: E04G21/04
Filed: 1998-12-09
Abstract: PURPOSE: A pumping-device of concrete and installation is provided to improve currently generalized way of pumping-device; being very complicated to apply, thereby causing some problems, such as reinforced bar joint pressed and bent by the weight of a pump-pipe, forms damaged by the vibration of concrete pressure inside pump-pipes; requiring a lot of workers and working time. CONSTITUTION: A pumping-device comprises; a column(2), a saddle body(10) fixing a column(2), a vertical pipe line(54) pumping concrete, a boom(40) and comprises the steps of; step1 where a saddle is set up is projected to elevator pit; step2 braced by a supporter where saddle body is extended to the elevator hall; another processes of step1 and step2 are repeated upstairs; a column(2) passing through both saddle bodies is set up; fixing a column(2) to a saddle by pin connection; connecting a boom(40) where a horizontal pipe line is set up to a column(20); connecting a vertical pipe line(50) to a horizontal pipe line(46,48,50), thereby setting up a pumping-device to the inside of the elevator pit is very useful for high-rise buildings and offers to place concrete very safely.
Patent KR-20000040345-A (KR)
Title: Digital data stream record and method for generating/recording mapping information thereof
Inventor: YU JE YONG
IPC: G11B20/10
Filed: 1998-12-15
Abstract: PURPOSE: A method for recording digital data stream is provided to record the data stream transferred in low speed in a recording medium after separating into a certain recording size or into a certain recording time and to record a property information in the recording medium with the mapping information. CONSTITUTION: Digital data stream transferred in low transferring speed is separated into the recording unit body of a certain recording size or of a certain recording time to be recorded. And a property information for distinguishing the property of the recording unit body is generated or selected for being recorded with the mapping information detecting and managing the recording unit body. Therefore the excess of the recording unit time or the lack of the recording unit size generated by the transferring of the digital data stream is prevented. Moreover, the recording area of the recording medium is used efficiently while not padding the recording area of the recording medium.
Patent KR-20000043507-A (KR)
Title: Unit for measuring battery
Inventor: PARK JU HYUN
IPC: G01R31/36
Filed: 1998-12-29
Abstract: PURPOSE: A battery measuring unit is provided to control a switching time for measuring a battery capacity precisely. CONSTITUTION: A battery measuring unit comprises first and second voltage division resistors(R1,R2), a comparator(2), a driving circuit(4), and a photo coupler as a switch circuit(6). The first and second resistors(R1,R2) are serially connected between a positive terminal of a battery(BAT) through a current meter and a ground voltage. The comparator(2) has a first input terminal(+) connected to receive a voltage divided by the resistors(R1,R2), and a second input terminal(-) connected to a connection node of the driving circuit(4) and a resistor(Rs). The comparator(2) compares voltages of the first and second input terminals to generate a voltage signal according to the result. The driving circuit(4) consists of a transistor, which has a first terminal connected to the node(0V/SC), a second terminal connected to the ground voltage through the resistor(Rs), and a gate connected to receive the voltage signal from the comparator(2) through a resistor(Rg). The photo coupler(6) grounds the output terminal of the comparator(2) in response to a control pulse signal so as to turn off the transistor(4).
Patent KR-20000046335-A (KR)
Title: Content provider alternative authentication method in advanced information communication processing system
Inventor: KIM YONG KOOK
IPC: H04L12/28
Filed: 1998-12-31
Abstract: PURPOSE: A content provider alternative authentication method in the advanced information communication processing system is provided so that a PPP user can carry out alternative authentication for a content provider in the web info shop service system. CONSTITUTION: A user browser requests a URL(Uniform Resource Locator) requested previously to a WARPD(Web Authentication Resolving Processor Daemon)(230) again and the WARPD(230) checks whether there is information for a content provider(290) in a mapping table(S710). In case that there is information for a content provider(290) in a mapping table, the WARPD(230) sends a message(HTTP REQUEST) to the content provider for information providing(S420). The content provider requested for information providing transmits a requested data(HTTP REPLY) to the WARPD(230) in response, then the transmitted data is transmitted to the user browser through a WNAS(WWW Network Access Subsystem)(133)(S430).
Patent KR-19990044151-A (KR)
Title: 견고하게 접착된 변형가능한 전자장치용 기판조립장치
IPC: H01L21/60
Filed: 1996-08-01
Abstract: 본 발명은 기판 표면상에 연성 금속 회로 트레이스(22) 배열을 갖는 마이크로전자 소자(10)용 변형가능한 기판 조립장치에 관한 것이다.  전자 소자를 상기 기판 조립장치에 견고하게 접착시키고, 소자로부터의 접착 소자(16)가 상기 트레이스에 접착할 때, 상기 기판은 상기 트레이스가 기판 표면에 침투될 때까지 트레이스를 위치적으로 변형하도록 각 접착 소자를 인가하는 물질적 특성을 갖는다.
Patent KR-19990064027-A (KR)
Title: 자체 동력형 고정 인코어 검출기
IPC: G01T3/00
Filed: 1996-08-12
Abstract: 핵 반응로(nuclear reactor)를 위한 자체 동력형 고정 인코어 검출기(self-powered fixed incore detector)는 바나듐 소자(vanadium element)와 같은 낮은 중성자 흡수 교차 섹션(low neutron absorption section)을 갖는 중성자 감지 에미터 소자(neutron sensitive emitter element)를 가지며, 이것은 반응 연료 영역(active fuel region)의 길이를 확장시키고, 전체 길이 전력(full length power)을 나타내는 전체 길이 신호(full length signal)를 생성한다.   여러 가지 감마 감지 에미터 소자들(gamma sensitive emitter elements), 즉, 바람직하게는 플래티나(platinum), 그러나, 대안적으로 지르코늄(zirconium), 세륨(cerium), 탄탈(tantalum) 또는 오스뮴(osmium) 소자들은 순차적으로 증가하는 중첩(overlap)에 중성자 감지 에미터 소자를 제공하여 반응 연료 영역의 축 영역(axial regions)을 정의하고, 할당 신호(apportioning signals)를 생성한다.   코어(core)의 각각의 축 영역으로 인한 중성자 감지 에미터 소자에 의해 생성되는 전체 길이 신호의 부분(portion)은 감마 감지 소자에 의해 생성된 할당 신호의 비(ratios)에 의해 결정된다.   할당 신호의 비(ratioing)는 핵분열 생성물(products of fission)로부터 지연된 감마 방사의 영향을 감소시키지만, 감마 감지 에미터 소자에 의해 생성된 할당 신호의 이와 같은 성분을 필터 처리함으로써 순간적인 반응이 더 향상될 수 있다.
Patent KR-19990066960-A (KR)
Title: 내연기관용 배기 가스 정화 장치
IPC: F01N3/023
Filed: 1996-10-30
Abstract: 배기 가스 제어 장치(124)의 최적 재생 동작을 얻기 위하여, 자동차 운항 시스템(141, 841) 등으로부터 얻은 미래 구동 조건 정보에 기초하여 촉매(125, 812)에 흡수된 산화 질소량(C)과 배기 가스 온도(T)가 예측되며, 촉매(125, 812)의 흡수량이 크다고 예상되며 배기 가스 온도(T)는 소정의 온도 범위내에 있다고 예상될 때 적절한 재생 시간이 결정된다.  재생 시점에 도달할 때, 배기 가스는 풍부하게 되며 산화 질소는 촉매를 재생시키기 위하여 촉매(125, 812)로부터 배출된다.  촉매(125, 812)로부터 배출된 산화 질소는 배기 가스 등에서 불완전 연소 탄화수소에 의하여 무독성 물질로 감소된다.  이 장치가 디젤 엔진의 미립자 필터(814)에 적용될 때, 배기 가스 온도(T)를 상승시키는 동작을 할 수 있는 기회가 감소하여, 연료 소비의 악화가 억제될 수 있다.
Patent KR-19990072204-A (KR)
Title: Eeprom 기술을 사용하여 연료주입기와 함께 성능데이터들을 옮기는 방법
IPC: F02M65/00
Filed: 1996-12-11
Abstract: 솔레노이드로 작동되는 연료주입기(10)와 연관된 기술적 데이터들을 보유하고 회수하는 방법은 엔진 배기를 개선시킨다. 각 연료 주입기는 상기 연료주입기에 관련되는 기술적 데이터들의 규격명세를 만들기 위하여 테스트된다. 그리고 상기 기술적 데이터들의 규격명세는 EEPROM 메모리 칩과 같이 연료주입기(10)에 부착된 메모리 수단에 전송된다. 그래서 주입기는 그 특유의 기술적 데이터들의 규격명세를 옮긴다. 따라서 이 기술적 데이터들의 규격명세는 연료주입기로부터 판독될 수 있으며, 회수된 기술적 데이터들의 규격명세는 차량의 컴퓨터에 제공된다. 차량의 컴퓨터는 하나의 중심상의 주입기 유동에 대하여 주입기들의 가변성을 없애기 위하여 연료 주입기들 사이의 편차들을 조정한다.
Patent KR-19990081858-A (KR)
Title: 식물바이러스 병해의 예방 또는 방제법
IPC: A01N33/04
Filed: 1997-11-04
Abstract: 본 발명을 식물바이러스 병해의 예방 또는 방제법 등을 제공하는 것이고, 구체적으로는 본 발명은 식물에 있어서의 페르옥시다아제 유도활성을 가지는 화합물을 식물체에 접촉시키는 것을 특징으로 하는 식물바이러스 병해의 예방 또는 방제법, 4-히드록시안식향산히드라지드 등의 안식향산유도체 또는 그들의 염, 2-초성점액산 등의 퓨란 고리를 가지는 화합물 또는 그들 염 등의 페르옥시다아제 유도활성을 가지는 화합물을 유효성분으로 함유하는 식물바이러스 병해의 예방 또는 방제용 제재에 관한 것이다.
Patent KR-19990082510-A (KR)
IPC: B29C41/04
Filed: 1997-02-12
Abstract: PCT No. PCT/NL97/00055 Sec. 371 Date Mar. 1, 1999 Sec. 102(e) Date Mar. 1, 1999 PCT Filed Feb. 12, 1997 PCT Pub. No. WO97/29903 PCT Pub. Date Aug. 21, 1997A method for producing optical rod-shaped graded-index polymer preform by making the composition of the preform near the core differ from the composition of the shell of the preform by polymerization with rotation of a mixture containing the starting substances, whereby a mixture comprising various monomers is rotated and that after achieving a distribution of the monomers, the polymerization is carried out with rotation of the mixture, or that a monomer and thermoplastic polymer-containing mixture, whereby said monomer is different from the monomer from which said polymer has been prepared, is rotated and that, after achieving a distribution of said monomer and polymer, the monomer present in said mixture is subsequently polymerized with rotation, in which both cases the rotation is carried out with a diameter dependent rotation velocity, represented by the following general equation: rpm>10,000 d-0.5 wherein: rpm=rotation velocity, revolutions per minute d=diameter of the preform (cm). The invention furthermore relates to optical lenses and fibres formed of the polymer preform thus produced.
Patent KR-19990087235-A (KR)
Title: 감압성 접착제
IPC: C09J7/02
Filed: 1997-01-16
Abstract: 본 발명은 비교적 소량의 가소제가 혼입된 아크릴레이트 공중합체 감압성 접착제(PSA)에 관한 것이다. 상기 PSA는 그래픽 마킹 필름용 접착제로 사용되는 경우에, 개선된 저온 성능을 나타내며, 기타 성능에 최소한의 영향을 미친다. 이 접착제 계는 그래픽 마킹 필름이 20℉(-7℃) 정도의 낮은 온도에서 부착될 수 있고, 마킹 필름과 기판 사이에 공기가 포획되는 일 없이 기판에 필름이 부착되는 성능을 개선시킨다. 상기 마킹 필름의 접착제 계는 리벳 헤드 및 트럭 트레일러 측면의 통상 굴곡진 곳의 복합 곡선 표면 주변에 텐팅 내성을 나타낸다.
Patent KR-20000050409-A (KR)
Inventor: BAEK IN CHEOL
IPC: H02M1/08
Filed: 1999-01-08
Abstract: PURPOSE: A circuit for regulating an initial power source of a power device driving device of a boot strap type is provided to improve the reliability of the operation of the circuit by preventing a high side capacitor and a lower side capacitor for driving a driving IC from being charged before the DC link voltage is supplied to a DC link capacitor. CONSTITUTION: First and third switches(S1,S3) have parallel diodes(D1,D3). Second and fourth switches(S2,S4) have parallel diodes(D2,D[) and is connected to the first and third switches(S1,S3) in parallel. A DC link capacitor(Cdc) is connected to the second and fourth switches(S2,S4) in parallel. A load coil(Lp) is connected to the common contact point of the first and third switches(S1,S3) and to the common contact point of the second and fourth switches(S2,S4). The circuit for regulating an initial power source of a power device driving device of a boot strap type comprises a high side capacitor(Vf), a low side capacitor, a Zener diode, and resistances.
Patent KR-19990037778-A (KR)
Title: 유분리기
IPC: F25B43/02
Filed: 1999-01-19
Abstract: 본 발명은 냉동기에서, 액화냉매에 포함된 미세한 오일입자를 효과적으로 제거함으로써 응축기, 팽창밸브, 증발기(20) 등으로 넘어가는 오일의 양을 대폭 감소시킴으로써 오일의 응고에 의한 증발기 모세관의 폐색(閉塞)을 방지하여 저온용 냉동기의 기능을 증대시키기 위한 유분리기에 관한 것이다. 
     이를 위하여 본 발명은, 내부에 공극이 큰 불활성 충진재가 채워진, 수직으로 세워진 부드러운 지그재그 형상의 사행형관 내부에 압축기를 통과한 고압의 기체 상태 냉매가 유동하면서 통과되도록 하고, 상기 세워진 사행형관의 내부에 모여진 오일을 배출하는 유배출장치로 이루어진 유분리기를 제공한다. 
     본 발명에 의한 유분리기는 단순하고 효율적으로 압축기를 통과한 냉매에 혼합된 오일을 분리하기 때문에 저온 냉동기가 효율적으로 기능할 수 있게 한다.
Patent KR-19990077389-A (KR)
Title: 크로스이레이즈특성을개선한광디스크기록장치및방법
IPC: G11B7/28
Filed: 1999-01-20
Abstract: 본 발명은 디스크 기록 및 재생 방식에 있어서 리라이트(rewrite) 시 레이저의 파워를 제어하여 크로스 이레이즈(cross erase) 현상을 개선하기 위한 광 디스크 기록 방법 및 장치에 관한 것이다. 
     본 발명에 의하면 오버라이팅 전후의 소거 부분이 겹치는 부분에서는 재생 파워 이하의 레벨로 레이저의 파워를 낮추어 기록함으로써, 기록시의 열적인 영향으로 인하여 인접 트랙의 신호에 영향을 주는 크로스 이레이즈 현상을 개선할 수 있을 뿐만 아니라, 오버라이팅 트랙에서의 싸이클어빌리티를 향상시킬 수 있는 효과가 있다.
Patent KR-19990072353-A (KR)
Title: 전력변환장치
IPC: H02M7/12
Filed: 1999-02-01
Abstract: 스나바 회로를 없애어, 부품 갯수, 종류를 삭감하고, 소형 경량화, 저가격화가 가능한 전력 변환 장치를 실현한다. 
     2개의 직렬 접속된 반도체 소자(1)의 양단에 병렬로 콘덴서(8)를 접속하고, 이 콘덴서의 접속 단자를 반도체 소자(1)의 단자 바로 가까이에 되도록 배치하고, 또한 반도체 소자(1)와 콘덴서(8)로 구성되는 루프형 회로의 인덕턴스를 250nH 이하로 하여 반도체 스위칭 회로를 구성한다.  그리고 이 반도체 스위칭 회로를 3조 병렬로 접속하고, 반도체 스위칭 회로 각각에 있어서의 상하로 직렬 접속된 반도체 소자의 양단을 주 회로 입력 또는 출력, 상하의 반도체 소자의 중간 접속점을 회로 출력으로 함으로써 콘덴서(8)를 필터 콘덴서 겸 서지 전압 흡수용 콘덴서로 하고, 이 콘덴서와 반도체 소자와의 2종류만으로 전력 변환부를 구성한다.
Patent KR-20000055607-A (KR)
Inventor: KIM WAN JU
IPC: G11B20/04
Filed: 1999-02-08
Abstract: PURPOSE: A method and apparatus for automatically and successively storing/reproducing real-time signal is provided to always reproduce, search, edit and delete an analog signal and a digital signal including real-time sound/video signals previously transmitted, if necessary by successively storing an inputted signal during a uniform time without a specific operation. CONSTITUTION: An input circuit(1) inputs an external signal through wire/wireless. A control circuit(5) controls an automatic storing operation, a reproducing operation, a search operation, an editing operation, a maintenance operation, a deleting operation, a compress/decompress operation and a converting operation, and processes a signal inputted from the input circuit(1). A storing circuit(4) stores a signal processed in the control circuit(5) as a digital type automatically and successively. An output signal selecting circuit(3) selects one signal between the signal inputted from the input circuit(1) and the signal stored in the storing circuit(4). An output circuit(2) outputs one signal selected in the output signal selecting circuit(3) to the outside.
Patent KR-20000065647-A (KR)
Inventor: PARK HAENG EUL
IPC: A47J37/06
Filed: 1999-04-07
Abstract: PURPOSE: A gas combustion type roaster using charcoal fire which does not need to make a fire with charcoal separately and which can directly roast or cook with a gas burner when charcoal fire is not applied is provided. CONSTITUTION: A gas combustion type roaster using charcoal fire comprises: a) a water collecting barrel having an inner wall surrounding the burner head of gas burner in which an engaging jaw for installing a charcoal container burned by the flame of the burner head is formed on the inner wall ; b) an inside barrel for supporting the water collecting barrel and an outside barrel for forming a cycling path between these barrels; c) a cycling duct formed on the outside barrel which connects a suction port formed on the top of the inside barrel and a cycling port formed on the bottom of the inside barrel; and d) a cycling fan rotated by a motor and installed at the cycling duct, a first combustion port for cycling air toward the burner head formed on the inside of the inner wall of water collecting barrel and a second combustion port for cycling air toward the charcoal container formed on the outer circumference of the water collecting barrel.
Patent KR-20000073614-A (KR)
Inventor: LEE CHANG GI
IPC: H04W24/06
Filed: 1999-05-12
Abstract: PURPOSE: A method for forecasting/registering shadow area of mobile station in mobile radio communication system using CDMA is provided to register the service base station by forecasting this previously when the mobile station is entered in the shadow area and to report the shadow area to the upper processor, when the pilot receive strength of service area and the pilot receive strength of neighbor area are smaller than the reference critical value. CONSTITUTION: A method for forecasting/registering shadow area of mobile station in mobile radio communication system using CDMA comprises the steps; monitoring the pilot receive strength of the base stations(310); checking that the pilot receive strength of service area are smaller than the reference critical value(320); checking that the pilot receive strength of neighbor area are smaller than the reference critical value(320); reporting the hand off generation to the upper processor(340); reporting information that the mobile station is entered to the shadow land to the upper processor(350); monitoring the pilot receive strength of base station in service interruption(360); checking that the pilot receive strength of service area are larger than the reference critical value(370); and reporting the service possibility status to the upper processor(380).
Patent KR-19990068416-A (KR)
Title: 전해콘덴서용외장용기의제조방법
Filed: 1999-05-18
Abstract: 본 발명은 에틸렌 테레프탈레이트를 주 반복단위로 하고 융점이 250℃ 이상인 폴리에스테르로 이루어지는 제1층과 융점이 250℃ 이하이고 적어도 80 몰% 이상이 에틸렌 테레프탈레이트를 주반복단위로 하는 공중합 폴리에스테르로 이루어지는  제2층으로 구성되는 무연신 폴리에스테르 수지 필름을 알루미늄 판의 한 면 또는 양면에 제2층이 알루미늄 판과 접착되게 하여 적층시킨 다음 수지 적층면이 외면이 되게 인발 가공함으로써 이루어지는 알루미늄 전해 콘덴서용 외장용기의 제조방법을 제공한다.
Patent KR-20000074152-A (KR)
Inventor: JANG YEONG WAN
IPC: H04M1/66
Filed: 1999-05-18
Abstract: PURPOSE: A method for monitoring calls of specific numbers in a communication network is provided to allocate calls for monitoring to a switching network or a desired subscriber channel without a specific algorithm, and to make a central processing unit(CPU) check whether a special bit exists in control instructions of higher software. CONSTITUTION: A central processing unit(CPU) detects a highest bit, and checks an optional higher control instruction in a search range. If an effective bit having a control instruction exists, the CPU checks a next special bit. If an effective bit does not exist, the CPU re-checks the control instruction of higher software. And if the special bit exists, the CPU enters a route for monitoring. The CPU senses a channel in a first range in a monitoring route, and designates optional group data to set up necessary data. The CPU sets up data of same groups in a second range and a third range, and conference control configuring data according to a next channel, then sets up a call for a monitored object in a tripartite-speech system.
Patent KR-20000075265-A (KR)
Inventor: KIM CHEOL MIN
IPC: H04N5/765
Filed: 1999-05-31
Abstract: PURPOSE: A copy control apparatus and method of a video signal is to detect a copy protection signal and to interrupt recording operation, informing a user that a record carrier to be copied is a copy protected one, when the video signal with the copy protection signal inserted therein is recorded. CONSTITUTION: A copy control apparatus comprises: a video signal processing unit(203) for separating a composite synchronization signal from a video input signal to be recorded and for performing modulation and demodulation of the video signal; a determination unit(204) of presence/absence of a copy protection signal for receiving the composite synchronization signal and for determining if the copy protection signal is included therein; and a control unit(205) for generating a copy protection control signal to interrupt a recording execution mode, when the copy protection signal is determined to be included. Further, a copy control method comprise the steps of: determining if a copy command is inputted; comparing a time(T1) read from a timer with a threshold value(T0); determining whether the copy protection signal is detected from the video signal to be recorded, if the T1 is T0 or more; and interrupting a copy mode when the copy protection signal is detected.
Patent KR-20010001460-A (KR)
Inventor: MUN BYEONG SEOP
IPC: G06K9/00
Filed: 1999-06-04
Abstract: PURPOSE: The apparatus and the method for recognizing a written-down style are provided to efficiently recognize the character and the number inputted into an inking area, by distinguishing the inking area from each other, without the operation for assigning the kind of a recognizer in advance according to the type of a character that will be recognized. CONSTITUTION: A microprocessing unit(30) includes an inking determination part, a recognizer determining part and a recognition part. The inking determination part checks if the inking of a character is continued on a touch screen(38). The recognizer determining part decides for what recognizer an inputted character is included in the area. The recognition part recognizes the inputted character by the recognizer determined by the recognizer determining part. A memory(32) stores data. The character is inputted via a keyboard(34). The touch screen(38) responds to the pressure on its surface applied when the character and the number are inked, and a display controller(36) converts the pressure to an electric signal.
Patent KR-20000006260-A (KR)
Inventor: ASHIKARI MOTOYUKI
IPC: C12R1/91
Filed: 1999-06-17
Abstract: PURPOSE: A DNA is provided to dwarf the agricultural products or garden plants by controlling the expression of the dl gene, which encodes protein concerned in the dwarfism of rice, or to artificially control the plant size by applying the knowledge obtained from the morphogenesis. CONSTITUTION: The plant-dwarfing DNA for encoding the antisense RNA is composed of: the DNA including the amino acid sequence of the seq. No.1, and encoding the protein; the DNA including the nucleotide sequence of the seq. No. 2; and the DNA hybridized with the DNA including the nucleotide sequence of the seq. No. 2 and for encoding the protein, which is same functionally as the protein including the amino acid sequence of the seq.No. 1.
Patent KR-20010003722-A (KR)
Inventor: KIM SEON JA
IPC: E01D21/06
Filed: 1999-06-24
Abstract: PURPOSE: A construction method for a beam is provided to install the beam, of which the height of section is changing, by pushing out method. CONSTITUTION: A construction method for beam comprises the steps of; forming numerous prominent part in an eaves rafter of a beam(4); processing a lower chord(6) in accordance with a curve of the eaves rafter; fastening the prominent part with the lower chord(6) directly or by a connection member(7) to form a bonded body of the beam(4) of which the eaves rafter forms a straight line; pushing out the bonded body of the beam(4) in the axial direction of a bridge from an abutment(2); and removing the lower chord(6) and the connection member(7) when the eaves rafter moves and then is placed in a designed location during being supported on piers(3).
Patent KR-20010004121-A (KR)
Inventor: CHO JAE HYEON
IPC: H01M10/052
Filed: 1999-06-28
Abstract: PURPOSE: A cross-linkage agent is provided for producing a solid polymer electrolyte having improved mechanical property and high ionic conductivity. The agent has three unsaturated functional radicals at the end of its chemical structure. CONSTITUTION: A cross-linkage agent to enhance mechanical property and ionic conductivity and a solid polymer electrolyte prepared by using the agent is disclosed. The electrolyte comprises the cross-linkage agent having three unsaturated functional radicals at the end of its structure. In addition to, the electrolyte contains polyalkylene glycol alkylether alkyl(meta)crylate having one functional radical, lithium salt and curing initiator. The electrolyte is produced by the hardening reaction of each of the constitutional components under light or heat.
Patent KR-20010010059-A (KR)
Inventor: LEE TAE HUN
IPC: F16J15/34
Filed: 1999-07-15
Abstract: PURPOSE: An oil seal is provided to lengthen useful life of oil seal by arranging the seal rib to be resiliently and continuously adhered to the driving axis of the oil pump even when the seal rib is worn. CONSTITUTION: An oil seal(10a) has a recess portion (26) formed at a surface of the oil seal, and an outer rib(22) and a seal rib(24) formed integrally with the inner periphery of the oil seal. A plate spring(12) is curved in such a manner that both ends of the plate spring are fixed to the inner wall and entrance surface of the recess portion of the oil seal, respectively. A compression spring(14) has both ends fixed to the inner surface of the curved plate spring and the inner wall of the recess portion of the oil seal, respectively. The plate spring is made up of a material having a high resilience, so that the end of the plate spring fixed to the entrance surface of the recess portion is arranged to be drawn toward the inner wall of the recess portion by the elasticity of the compression spring.