baber/WOPTO huggingface dataset:
Patent KR-20030041422-A (KR)
Title: The preparation method of microcystin from the cytosolic fraction of cyanobacteria
Inventor: SUH KYONG HOON
IPC: C07K1/16
Filed: 2001-11-20
Abstract: PURPOSE: A method for producing microcystis from the cellular protoplasm components of cyanobacteria is provided, which microcystis is a toxin, and is useful of toxicity analysis or inhibition of the protein phosphatase activity. CONSTITUTION: The method for producing microcystis from the cellular protoplasm components of cyanobacteria comprises the steps of: disrupting Microcystis aeruginosa with glass beads and centrifuging the disrupted solution to remove the cell components; heating the cell components removed solution in a water bath at 80 deg. C for 5 minutes to remove the color components and centrifuging the solution to obtain the supernatant; freeze-drying the supernatant, dissolving the freeze-dried supernatant is methanol and developing the solution on the silica gel column using a developing solution(ethyl alcohol:isopropanol:water=30:45:25); collecting fractions showing the optical density at 260 nm and subjecting them to thin layer chromatography; and collecting fractions showing the same separation pattern.
Patent KR-20030043014-A (KR)
Title: Working fluid suction apparatus for hermetic compressor
Inventor: CHO JAE HO
IPC: F04B39/00
Filed: 2001-11-26
Abstract: PURPOSE: A working fluid suction apparatus of a hermetic compressor is provided to make an inlet part of a suction muffler neared to the inner wall surface of a hermetic container to the utmost. CONSTITUTION: An actuating fluid suction apparatus of a hermetic compressor comprises a suction pipe supplying an actuating fluid form the outside of the compressor to the inside, passing through a hermetic container; a suction muffler(30) installed inside the hermetic container; and an inlet part(35) of a flexible material detachably assembled to the suction muffler. The suction muffler removes noise of the actuating fluid sucked through the suction pipe and transfers the actuating fluid to a compression chamber side. The inlet part guides the actuating fluid transferred through the suction pipe to the inside of the suction muffler. In the inlet part, an inlet side is opposite to the suction pipe and an inlet side is communicated with the inside of the suction muffler. The sectional area gradually is narrowed from the inlet side toward the outlet side. A combining part(37) is installed to the outlet side of the inlet part and the combining part is assembled to a combining protrusion(32) formed on a side of the suction muffler. The section shape of the combining protrusion is a square shape. A combining chamber corresponding to the outer shape of the combining protrusion is formed to the combining part. Thus, leakage of the actuating fluid is minimized and efficiency of the compressor is improved.
Patent KR-20010110396-A (KR)
Title: 경편용 해도형 복합섬유 및 그의 제조방법
Inventor: YOON JUN YEONG
IPC: D01F8/14
Filed: 2001-11-27
Abstract: 본 발명은 경편용 해도형 복합섬유에 관한 것이다.     본 발명은 알칼리 이용해성의 공중합 폴리에스테르를 해성분으로 사용하고 주성분인 폴리에틸렌테레프탈레이트가 90몰% 이상인 폴리에스테르를 도성분으로 사용하여 방사 직접 연신 방식으로 제조된 경편용 해도형 복합섬유에 있어서,  아래 물성을 동시에 충족시킴을 특징으로 한다. 
     -  아   래  - 
     ·해성분 용출전의 원사 모듈러스 : 60∼90g/d 
     ·해성분 용출후의 원사 모듈러스 : 25∼60g/d 
     ·해성분 용출후의 원사 강도 : 2∼4g/d 
     본 발명으로 제조한 해도형 복합섬유는 열수축 특성이 양호하여 기모성이 우수하며, 경편지의 촉감 및 외관을 향상 시킨다.
Patent KR-20030044626-A (KR)
Inventor: CHOI SEONG BONG
IPC: D06F33/02
Filed: 2001-11-30
Abstract: PURPOSE: A washing method of a washing machine and an apparatus thereof are provided to prevent environmental pollution by producing alkaline water with increasing the amount of dissolved oxygen among washing water and discharging carbon dioxide. CONSTITUTION: The washing course is selected through buttons of a control panel(11), and washing water is moved up to contact air to washing water in selecting non-detergent or low detergent washing. A control unit(60) reads change of pH corresponding to circulation of water from a data storage unit(62), and moves up and injects washing water by rotating a pulsator(6) and a washing tub(5) at high speed. The amount of dissolved oxygen is increased by contacting washing water to the air, and alkaline water is produced by discharging carbon dioxide. Environmental pollution is prevented by manufacturing alkaline water mechanically without additional units.
Patent KR-20030047160-A (KR)
Title: System for servicing charged contents using prepaid-card on internet
Inventor: PARK SANG DON
Filed: 2001-12-08
Abstract: PURPOSE: A system for a charged contents service on the Internet using a prepayment card is provided to supply profits for a contents provider, a distribution businessman, a service provider, and a client who purchases a prepayment card and uses charged contents by enabling the service provider who services contents of the contents provider to sell a prepayment card through the distribution businessman by on-line or off-line. CONSTITUTION: A contents provider server(10) is cooperated with a service server(20), supplies charged contents to a homepage of the service server, and distributes a profit to a service provider. The service server(20) is linked with the contents provider server(10), constructs a homepage as a portal site for supplying contents of the contents provider server(10), manufactures a prepayment card capable of using the contents, requests a purchase to a distribution company(40) on an on/off line, distributes a profit with the contents provider and the distribution company(40), and inquires, manages, and pays the transaction by on-line. The distribution company(40) is connected to the service server(20) through the Internet, and sells an Internet prepayment card to many clients through an on-line/off-line sale through the Internet in accordance with a request of the service server(20).
Patent KR-20030001210-A (KR)
Title: Double-sided adhesive member holding construction
Inventor: INOUE YOSHIHIDE
IPC: C09J7/00
Filed: 2001-12-13
Abstract: PURPOSE: To provide a structure for holding double-coated pressure-sensitive adhesive members, having such a cut that the inside of the double-coated pressure-sensitive adhesive member is surely separated from the outside of a non-adhesion part, and therefore capable of surely and beautifully releasing and removing the non-adhesion part, and further capable of surely and beautifully adhering an adhesion part to an adherend member. CONSTITUTION: In this structure for holding the double-coated pressure-sensitive adhesive members, a plurality of double-coated pressure-sensitive adhesive members 3 of which the each has an internal opening 2 are adhered to a surface 1a of a base separator 1. A permanent member 6 composed of a doulbe-coated pressure-sensitive adhesive piece 4 for the internal opening and a non-adhesion layer 5 is inserted into the internal opening 2 of the double-coated pressure- sensitive adhesive member 3 and adhered to the surface 1a, so that a small clearance S of 0.1-2.0 mm is formed between the peripheral edge of the releasable member 6 and the inner peripheral edge of the internal opening 2.
Patent KR-20020048875-A (KR)
Inventor: TAKASE TAKESHI
IPC: G02F1/1339
Filed: 2001-12-14
Abstract: PURPOSE: A method for manufacturing a flat display element is provided to improve productivity by reducing the time for adjusting alignment. CONSTITUTION: A pair of motherboards are prepared, and a display forming portion is formed on each motherboard. A sealant(15) is located on one of the motherboards to surround the peripheral edge portion of the display forming portion, and end spacers for maintaining a gap between the two motherboards and a tacker covering the end spacers are located on the end portions of the motherboard. The motherboards are stuck on each other with the sealant, end spacers, and tacker between them, and the stuck motherboards are aligned with each other. After the alignment, the two motherboards are tacked to each other by curing the tacker. Thereafter, the motherboards are finally bonded to each other by curing the sealant. Then, substrates(11,12), stuck on each other with the sealant, are cut out by cutting the motherboards outside the sealant.
Patent KR-20030049769-A (KR)
Title: A structure of mounting plate for filling a pillar
Inventor: JUNG HO GI
IPC: B62D25/04
Filed: 2001-12-17
Abstract: PURPOSE: Plate mounting structure for charging filler is provided to restrict deformation by enduring pressure in foaming, to assemble easily by simplifying the assembling portion of the clip, and to shut off noise by improving filling efficiency. CONSTITUTION: A reinforcing panel(3) is installed between a side outer panel(1) and a side inner panel(2), and a guide flange(11) is bent and formed integrally under the upper part of the reinforcing panel. An assembling flange(12) is integrally formed at the side of the reinforcing panel and composed of a fitting sill. A filler charge plate(10) is formed smaller than the hollow between the side inner panel and the reinforcing panel. A foaming pad fixing groove is formed around a plastic plate(16), and a guide groove(13) opening the inlet is formed horizontally in the upper part of the plastic plate. An assembling clip is combined with the assembling flange, and formed in the end of the filler charge plate. The forming pad fixing groove is formed in the upper part of the assembling clip, and a flange insertion groove is formed in the lower part. The foaming pad is fixed in the foaming pad fixing groove, and the filler charge plate is combined with the reinforcing panel. The filler hollow is closed by foaming with applying heat.
Patent KR-20030051914-A (KR)
Title: WLL terminal system using a power line antenna
Inventor: LIM HUI CHAN
IPC: H04B7/24
Filed: 2001-12-20
Abstract: PURPOSE: A WLL(Wireless Local Loop) terminal system using a power line antenna is provided to install an external antenna in an optimum position of receive sensitivity, and to process signals received through the external antenna to the WLL terminal through a power line, thereby enabling the WLL system to perform excellent data communication. CONSTITUTION: An external antenna unit(2) comprises an RF(Radio Frequency) module(5) processing WLL communication signals transceived through an antenna(4) to RF signals, a power line modem(6) converting signals outputted from the RF module(5) into data suitable for power line communication and converting signals received through a power line network(1) into WLL communication signals, and a controller(7) controlling functions of the external antenna unit(2) on the whole. A WLL terminal(3) comprises a power line modem(8) converting signals received through the power line network(1) into WLL communication signals and converting WLL communication signals transmitted from the WLL terminal(3) into data suitable for the power line communication, an RF module(10) processing WLL communication signals transceived through an antenna(9) to RF signals, a receive sensitivity measurer(11) checking a receive sensitivity of the RF module(10) by being connected to the RF module(10), a controller(12) deciding receive sensitivities of the RF module(10) and the power line modem(8) to select one with an optimum receive sensitivity and controlling functions of the WLL terminal(3) on the whole, and a selection switch(13) selecting the RF module(10) or the power line modem(8) according to a selection control signal of the controller(12) to switch a transmission path. A codec(14) processing voice signals is connected to the controller(12).
Patent KR-20030052518-A (KR)
Title: Flying Remove Apparatus of Strip In A Process Hot Rolling
Inventor: BYUN GWI HWAN
IPC: B21B45/00
Filed: 2001-12-21
Abstract: PURPOSE: A flying removing apparatus for a strip is provided to improve a travelling property of the strip by compensating for the flying phenomenon of the strip using hydraulic pressure sprayed from a high-pressure spraying nozzle. CONSTITUTION: A flying removing apparatus includes a pair of spraying heads(10), a spraying nozzle(11), an electronic valve(30), and a central computer(40). The spraying heads(10) spray cooling water onto a flying part of a strip. The spraying nozzle(11) is provided in each spraying head(10) so as to adjust an angle of cooling water sprayed onto the strip. The electronic valve(30) installed at a connecting part of a cooling water line(14) so as to control the feeding of cooling water. Rolling information of the strip, such as thickness and width of the strip, is inputted into the central computer(40). The central computer(40) determines a cooling water spraying time.
Patent KR-20030053577-A (KR)
Title: electrolytic pickling method in nitric acid to pickle the stainless steel
Inventor: KIM HUI SAN
IPC: C25F1/06
Filed: 2001-12-22
Abstract: PURPOSE: A high rate electrolytic pickling method of stainless steel is provided. CONSTITUTION: In a high rate electrolytic pickling method of ferritic stainless steel that contains chromium of greater than 9 % via TCM-CAL, the electrolytic pickling method is characterized in that ferritic stainless steel is annealed in an atmospheric conditions of 5 % hydrogen and dew point of -30 deg.C after TCM process; dipping cold rolled stainless steel sheet with Cr content of 9 to 17 % into a salt solution at 400 to 500 deg.C for 3 to 8 sec, after annealing process; maximum current density applied to the stainless steel strip during electrolytic pickling is regulated within 0.005 to 0.1 A/cm¬2; pickling process is conducted for 15 to 50 sec at 50 to 65 deg.C; and the pickling solution is 4-8 % nitric acid.
Patent KR-20020062149-A (KR)
Inventor: KAWAMURA TAKATOSHI
IPC: B23K37/04
Filed: 2001-12-27
Abstract: PURPOSE: To provide a work holder for a bonding device which is capable of effectively absorbing the thermal expansion of its work holder and surely holding all the holding range of lead part of a lead frame. CONSTITUTION: First slits 20A and 20B are formed surrounding bonding windows 11A, 11B, and 11C, second slits 21A, 21B and 22A, 22B are provided extending outward from ends of the first slits 20A and 20B, respectively, and first connecting parts 30 and 31 are formed. Third slits 25 and 26 are formed outside of the second slits 21A, 21B and 22A, 22B, crossing the first connecting parts 30 and 31 at right angles, respectively, and second connecting parts 32 and 33 are formed.
Patent KR-20010071935-A (KR)
IPC: G02B5/04
Filed: 2000-04-20
Abstract: An optical element (10, 10', 10'') for deflecting light beams (18, 19), which enter and re-emerge from the latter, in such a way that their angle of emergence (gamma) is limited, in particular for use as a luminaire-cover, having a plate-like core (11, 11', 11'') of transparent material which on one side is occupied by microprisms (12, 13) that taper-starting from their root (15)-forming furrows (22), wherein all of the top surfaces (14) of the microprisms form the light-entry face and the other side (21) of the core forms the light-emergence face, and wherein the top surfaces (14) of the microprisms are formed convexly or concavely in a continuous or non-continuous manner, and also a method for producing the optical element (10, 10', 10'').
Patent KR-20010072018-A (KR)
Title: 고흡수성 복합체 시트 및 그 제조 방법
IPC: D04H1/492
Filed: 1999-07-19
Abstract: 본 발명은 웹 형태의 섬유 기재, 고흡수성 중합체, 및 이들 양자를 서로 결합시키는 결합 성분으로 주로 구성된 흡수성 복합체 시트로서, (a) 웹 형태의 섬유 기재는 약간의 구성 섬유가 서로 결합되어 있는 미결합 웹이고, (b) 고흡수성 중합체 및 결합 성분으로 주로 구성된 매체를 포함하는 액체 혼합 시스템이 사용되며, (c) 이 액체 혼합 시스템을 상기 웹 형태의 섬유 기재에 첨가시킴으로써 복합 웹이 형성되고, (d) 상기 복합 웹으로부터 액체 성분이 분리되어, 상기 고흡수성 중합체를 웹 형태의 섬유 기재에 고정시키는 것과 웹 형태의 섬유 기재의 웹들간의 결합이 동시에 달성되는 것을 특징으로 하는 흡수성 복합체 시트에 관한 것이다. 
     또한 이러한 흡수성 복합체 시트의 제조 방법이 제공된다.
Patent KR-20010072291-A (KR)
Title: 가스 터빈 스팀 냉각 베인
IPC: F01D9/02
Filed: 1999-08-04
Abstract: 폐쇄-루프 스팀 냉각 시스템을 가지고 있는 베인 세그먼트를 위한 설계가 제공된다.  베인 세그먼트는 외부 슈라우드(1), 내부 슈라우드(2) 및 에어포일(3)을 포함하며, 각각의 구성요소는 베인 벽의 내측 표면 상에 타겟 표면(6)을 가지고 있다.  장방형의 복수의 와플 구조부(11)가 타겟 표면 상에 제공되어 각각의 구성요소와 냉각 스팀 사이의 열 전달을 향상시킨다.  채널 시스템이 슈라우드에 제공되어 슈라우드를 통하는 스팀의 유동을 개선시킨다.  에어포일(3)에 있는 공동부에 위치하는 인서트 레그(54,56,72,74,76)가 또한 제공된다.  각각의 인서트 레그(54,56,72,74,76)는 레그의 주변부에 위치하는 외부 채널(60)을 포함하며, 각각의 외부 채널(60)은 외부 벽을 가지고 있고 또한 냉각 스팀의 충돌 제트를 생성하여 에어포일의 타겟 표면(6)과 접촉하게 하는 외부 벽 상의 충동 구멍을 가지고 있다.  각각의 인서트 레그(54,56,72,74,76)는 외부 벽 상에 위치하는 전체적으로 장방형의 복수의 리브를 더 포함하고 또한 레그의 외부 채널(60) 사이에 위치하여 교차 유동 저하를 최소화하는 복수의 개구를 더 포함한다.
Patent KR-20010079710-A (KR)
IPC: C04B35/52
Filed: 1999-08-24
Abstract: 후속적으로 도포되는 붕소 코팅의 부착력을 증가시키기에 충분한 표면 조직를 유지하면서 표면 공극을 줄이기 위해 흑연 또는 이에 필적하는 기재를 우선 탄소로 치밀화시킨 개선된 물품 및 그러한 물품을 제조하는 방법이 개시되어 있다.
Patent KR-20020015303-A (KR)
IPC: F04D29/04
Filed: 2000-03-13
Abstract: 본 발명은 터빈과 터보 과급기의 압축기 휠들을 상호 연결하는 축을 지지하기 위한 조합 베어링에 관한 것으로, 이는 회전식 저어널 베어링, 등록 및 보존 플랜지를 갖는 스퀴즈 필름댐퍼, 및 볼베어링 조립체를 수용한다. 상기 볼 베어링 조립체는 댐퍼 플랜지에 대한 트러스트 숄더와 등록 리시버를 제공하는 외측 레이스를 갖는다. 볼 롤러 요소들은 외측 레이스에 의해서 유지되고, 상기 외측 레이스상의 트러스트 숄더와 상기 축상의 대향 트러스트 숄더사이에서 결합된다.
Patent KR-20010101040-A (KR)
IPC: A61B6/00
Filed: 1999-11-12
Abstract: 본 발명은 대상물의 라디오그래프를 디스플레이하는데 사용하기 위해 대상물의 라디오그래픽 노출을 표시하기 위한 다수의 화소에 대응하는 제1세트의 디지털값으로부터 여과된 디지털값의 서브세트를 자동으로 형성하는 방법에 있어서, 제1세트의 디지털값내의 제1히스토그램을 발생시키는 단계와, 상기 제1히스토그램의 정수를 표시하는 정수곡선을 발생시키는 단계와, 제1히스토그램의 정수상에서 변곡점을 확인하고 그 대응의 디지털값(Vpeak1)을 확인하는 단계와,  상기 정수곡선은 가장 큰 디지털값으로부터 감소되는 방향으로 경사도를 먼저 변화시키며, Vtest = Vpeak1 - AR을 연산하는 단계와, 제1세트의 디지털값을 다수의 블럭 서브세트의 디지털값으로 공간적으로 분할하는 단계와, 각각의 블럭 서브세트내에서 디지털값의 발생주파수를 표시하는 블럭 서브세트 히스토그램을 구성하는 단계와, 각각의 블럭 서브세트상에서 블럭 서브세트 히스토그램의 설정의 낮은 포인트에 대응하는 낮은 포인트(BVlow)를 결정하는 단계와, 각각의 BVlow과 Vtest를 비교하는 단계와, Vtest 보다 큰 BVlow 를 갖는 모든 블럭 서브세트의 디지털값으로부터 여과된 디지털값의 서브세트를 형성하는 단계를 포함하며, 상기 정수곡선은 가장 높은 디지털값의 포인트로부터 시작하여 디지털값이 감소되는 방향으로 횡단할 때 먼저 경사도를 떨어뜨리며, 상기 AR은 대상물의 해부학적 범위를 나타내며, 상기 각각의 블럭 서브세트는 다수의 설정된 화소로 구성된 인접 화소로부터 디지털값을 포함하는 방법을 제공한다.
Patent KR-20010112220-A (KR)
Title: 윤활유 조성물용 분산제-점도 개선제
IPC: C08F291/00
Filed: 2000-09-14
Abstract: 윤활유 조성물을 위한 분산제-점도 개선제로서 유용한 그래프트 공중합체는 그 위에 중합된 그래프트를 갖는 탄화수소 중합체와 적어도 두 개의 질소 함유 단위(여기서, 질소 함유 단위 중 적어도 하나는 중성 N-(저급 하이드로카빌 그룹)-(메트)아크릴아미드 및 중성 N,N-디-(저급 하이드로카빌 그룹)-(메트)아크릴아미드 중 적어도 하나로부터 유래되며, 이때, 저급 하이드로카빌 그룹내 탄소 원자의 총 수는 9를 초과하지 않으며, 질소 함유 단위 중 적어도 하나는 적어도 하나의 비닐 질소 함유 헤테로사이클릭 화합물로부터 유래된다)를 포함한다.
Patent KR-20010081082-A (KR)
IPC: H01L21/3205
Filed: 1999-12-16
Abstract: 스캐빈저층은 스트론튬 비스무트 탄탈레이트(SBT)와 같은 금속 산화물 세라믹을 장치의 원치않는 부분에 형성하는 과잉 모빌 스피시의 확산을 방지하기 위해 제공된다.  Ti 및 산화물 상의 전이 금속과 같은 스캐빈저층이 금속 산화물 세라믹 위에 제공된다.  과잉 모빌 스피시가 금속 산화물 세라믹 밖으로 확산됨에 따라, 과잉 모빌 스피시는 스캐빈저층을 향해 이동되어 스캐빈저층과 반응한다.  반응은 과잉 모빌 스피시를 소비시킨다.
Patent KR-20030060410-A (KR)
Title: Apparatus for reducing molecular mass of oil and soot by using plasma
Inventor: PARK JAE YOON
IPC: C10G15/12
Filed: 2002-01-09
Abstract: PURPOSE: Provided is an apparatus for reducing a molecular weight of an oil and sooty smoke using plasma, by applying a high voltage to an oil to generate plasma by streamer discharge, thereby converting a high molecular weight oil to a low molecular weight and reducing harmful gases and particles generated during combustion of the oil. CONSTITUTION: The apparatus includes a square column oil tank having an oil inlet port at a side of the upper part and oil outlet port at a side of the lower part; a metallic electrode disposed at the bottom inside the oil tank; a dielectric device disposed at the bottom of the oil tank; a metallic grounding electrode; and a high voltage supplying part electrically connected to the metallic electrode and the metallic grounding electrode to apply a high voltage. The metallic electrode has a spiral shape, turning at an interval of 1 to 10mm, or a disc shape having a plurality of circular cones on the rear surface.
Patent KR-20030060575-A (KR)
Title: Rwmoving Apparatus and Method for core and shell of casting goods
Inventor: SUH BYOUNG SUN
IPC: B22D29/00
Filed: 2002-01-10
Abstract: PURPOSE: An apparatus and a method for removing sand from a casting article are provided to remove a sand shell formed in inner and outer portions of the casting article by using a sand removing apparatus having a simple structure with inexpensive cost. CONSTITUTION: A sand removing apparatus includes a transformer(20) for boosting AC power voltage of a power section(10). A rectifying device(30) is provided to rectify boosted AC power voltage. A fluid storing device(60) is provided for storing liquid and a casting article fixing device(70), which securely fixes a casting article. A charge capacitor is provided to charge or discharge DC voltage, which is rectified through the rectifying device(30). A switch(40) is operated when voltage of the charge capacitor exceeds a predetermined level. A shock wave generator(50) is immersed in liquid contained in the fluid storing device(60).
Patent KR-20030061151-A (KR)
Title: method and recorded media for setting the subscriber routing using traffic information
Inventor: KANG YEONG HYEON
IPC: H04L45/42
Filed: 2002-01-11
Abstract: PURPOSE: A method for setting a subscriber routing using traffic information and a recorded medium therefor are provided to perform a process of searching subscriber connection VPI/VCI, and to predict traffic in consideration of many variables and traffic factors when connecting subscribers, then to distribute load, thereby minimizing loss. CONSTITUTION: An NMS(Network Management System) server inputs a start point and an end point of an NE(Network Element) from an NMS client(S1). The NMS server retrieves a settable path between the start point and the end point(S2). The NMS server analyzes path target units, unit reserving ports, and subscriber connected states for the selected path(S3). The NMS server calculates weight on traffic congestion of a subscriber(S4). The NMS server selects a port having the least weight(S5), and sets VPI/VCI between the start point and the end point in the selected port(S6). The NMS server decides whether the set path satisfies conditions of a threshold value(S7). If so, the NMS server transmits path information to the NE, and sets a cross-connection between sections(S8).
Patent KR-20030026196-A (KR)
Title: Rail vehicle
Inventor: OHBA HIDESHI
IPC: B61F1/10
Filed: 2002-02-01
Abstract: PURPOSE: To provide a rail rolling stock which is capable of absorbing impact energy and is safe. CONSTITUTION: A front unit 100 is located at a front edge of the car. Its floor comprises a hollow material 200 constituting a buffer unit 200. The buffer unit comprises an upper and a lower buffer devices 200, 200. An annealed hollow material is used for a hollow type member 210. A longitudinal direction of the hollow members 210 is a longitudinal direction of the car body. Multiple hollow members 210 are laid out in a cross direction and jointed by a friction- stirring joint. When the impact load is imposed, the hollow members 210 are deformed into bellows and absorbs impact force. At that time, the impact force is applied upon the friction-stirring joint unit, however, thanks to the joint, any cracks do not occur and the deformation of the hollow members 210 into bellows is not hindered.
Patent KR-20020069165-A (KR)
Title: Server system and security system
Inventor: KAWATANI SATOSHI
IPC: G06F21/64
Filed: 2002-02-22
Abstract: PURPOSE: To provide a server system provided with a data falsification prevention function and capable of conveniently and safely performing a 24-hour operation at low cost, and a security system. CONSTITUTION: This server system that is provided with a hard disk 14 storing at least an operating system, application software and contents data and also receives connection from a plurality of clients through a network, is provided with a mode changeover switch 15 capable of physically switching a normal mode in which the hard disk 14 can write and a read only mode in which the hard disk 14 can not be written. The server system is switched to the read only mode to operate.