baber/WOPTO huggingface dataset:
Patent KR-19990076763-A (KR)
IPC: C07D315/00
Filed: 1996-12-07
Abstract: PCT No. PCT/EP96/05486 Sec. 371 Date Apr. 13, 1998 Sec. 102(e) Date Apr. 13, 1998 PCT Filed Dec. 7, 1996 PCT Pub. No. WO97/24346 PCT Pub. Date Jul. 10, 1997A process for manufacturing gamma-butyrolactone by the catalytic hydrogenation of maleic anhydride, succinic anhydride or their acids in the vapor phase in the presence of catalysts based on copper oxide and aluminum oxide in reduced form is described. The process is characterized in that a catalyst is employed to conduct the reaction which is formed on the basis of 50 to 95% by weight copper oxide, 3 to 30% by weight aluminum oxide and 0 to 25% by weight of a binder. Preferably the catalyst is formed on the basis of 83.5 to 85.5% by weight copper oxide, 9 to 11% by weight aluminum oxide, and 4.5 to 6.5% by weight graphite. The reaction mixture obtained can be used directly without separating off the water, e.g. for manufacturing N-methylpyrrolidone.
Patent KR-19990077319-A (KR)
Title: 축합된 1,2,4-티아디아진 및 축합된 1,4-티아진 유도체, 그것의제조방법 및 사용
IPC: A61K31/54
Filed: 1997-01-16
Abstract: 화학식 I 
     (화학식 I) 
     
       
     
     (상기 화학식에서, A, B, D, R 1 , R 2 , R 3 및 R 4 는 상기한 바와같다)로 표시된 1,2,4-티아디아진 및 1,4-티아진 유도체, 그것의 조성물 및 그 화합물의 제조방법이 기재되어 있다. 이 화합물은 중추 신경계, 심장혈관계, 폐동맥계, 위장계 및 내분비계 질병의 치료에 유용하다.
Patent KR-19990087300-A (KR)
Title: 예비성형된 가요성 적층물
IPC: B29C48/08
Filed: 1997-02-26
Abstract: 복합 구조물은 단열된 유리 유닛으로서 유용한 적어도 제 1 및 제 2투명 또는 반투명 패널 부재(22,23)와 접촉 부착되는 예비성형된 가요성 적층물을 포함한다.  가요성 적층물은 코어 재료(24)에 부분적으로 또는 전체적으로 삽입된 진동하는 스페이서 요소(25)를 포함하며, 하나 이상의 표면 상에 중합체 코팅물(26)을 구비하고 있다.  가요성 적층물은 공기 및/또는 수분으로부터 패널 구조물의 내부를 효과적으로 밀봉하며, 패널(22,23)들 사이의 원하는 거리를 유지시킨다.  예비성형된 가요성 적층물을 형성하기 위한 다중 캐비티 사출 다이는 코어 재료(24)를 수용하기 위한 코어 캐비티 뿐만 아니라 연속하는 진동 스페이서 요소(25)를 포함하고 있다.  코어 캐비티 내의 수렴벽은 코어 재료(24)내의 스페이서 요소(25)의 적어도 일측부를 삽입시키는 역할을 하며, 랜드 영역은 원하는 형상을 형성하며, 스페이서 요소(25)는 진동을 유지한다.  코어 캐비티로부터 다운스트림에 위치한 하나 이상의 중합체 공급 캐비티와 랜드 영역은 삽입된 스페이서 요소(25)의 적어도 하나의 표면에 중합체막 또는 코팅물(26)을 적용한다.  다수의 선택적인 공급 캐비티는 삽입된 스페이서 요소(25)의 부가 표면에 동일하거나 상이한 중합체를 적용할 수 있으며, 부가 표면을 전체적으로 덮을 수 있다.
Patent KR-20000005484-A (KR)
Title: Smart card personalizing system and apparatus
Inventor: TUSHIE DAVID R
IPC: G06Q20/10
Filed: 1997-04-14
Abstract: PURPOSE: A data carrier issuing method is provided to apply an interface to any card issuer management system and support important management and reporting functions by maintaining statistics about real-time and off-line queries. CONSTITUTION: The method comprises the steps of obtaining a personalizing device recognizer and personal data about a person having a card from a card issuer management system, obtaining device characteristic data about a personal device shape from a record in database recognized by the recognizer, and transmitting the personalizing data to the personal device appointed by the device characteristic data to issue the data carrier.
Patent KR-19990045841-A (KR)
Title: 녹즙기의착즙장치
Filed: 1999-01-25
Abstract: 본 발명은 각종 채소나 약초등을 압착하여 즙을 추출하기 위한 것으로 착즙효과가 상승되도록 한 녹즙기의 착즙장치에 관한 것이다. 
     본 발명은 내부에 모타(M)가 장치된 본체(C)와, 상기 본체(C)와 분해결합 되도록 장치된 착즙통체(B)와, 상기 착즙통체(B)의 출구축에 결합된 유출부재(O)와, 상기 착즙통체(B) 내부에 장치되어 상기 모타(M)에 의하여 회동하도록 장치된 착즙부재(S)로 구성된 공지의 장치에 있어서, 몸체(11)의 외주면에 다수개가 형성된 회전날개(12)의 끝단부에 절단날(13)이 형성된 커터부(1)와, 출구측으로 향할수록 외경이 작아지도록된 외주면에 다수의 파쇄돌기(21)를 형성하여서된 파쇄부(2)와, 출구측으로 향할수록 외경이 작아지도록된 회동체(31)의 외주면에 다수의 나선돌기(32)가 형성되고 끝단부에 유출날개(33)가 돌출형성된 착즙부(3)로서 상기 착즙부재(S)를 구성하며, 상기 모타(M)에 의하여 회동되는 제 1 회동축(4a)에 커터부(1)를 장치하고 제 2 회동축(4b)에 파쇄부(2)와 착즙부(3)를 장치하여서 구성된 것이다. 
     본 발명은 녹즙기에 유입되는 가공물이 일정길이로 절단되게 하므로서, 사용이 간편할 뿐 아니라 기계에 과부화가 걸리는 일없이 안전하게 사용할 수 있으며, 가공물을 착즙하기에 앞서, 절단·파쇄의 공정을 거치므로서 착즙효과를 상승시킬 수 있는 유익한 발명인 것이다.
Patent KR-20000052110-A (KR)
Inventor: PARK YONG HYEON
IPC: H01L21/306
Filed: 1999-01-29
Abstract: PURPOSE: A method for etching an etch stopping layer of a self-aligned contact is to reduce a contact resistance and to improve a refresh characteristics of a device. CONSTITUTION: An etching method of an etch stopping layer of a self-aligned contact comprises the steps of: including a conductive layer pattern(8) covered with a first substance layer(10,12) on a semiconductor substrate(2); and etching an interlayer insulation layer(16) between the neighboring conductive layer pattern, and a second substance layer(14) formed under the insulation layer so as to form a contact hole, the second substance layer being an etch stopping layer when the interlayer insulation layer is etched using a down stream chamber.
Patent KR-20000059455-A (KR)
Inventor: KIM JEONG HWAN
IPC: H04M1/26
Filed: 1999-03-04
Abstract: PURPOSE: A method for correcting a wrong telephone number when inputting the number, is provided to correct the number with hold-on in a telephone set or device combining a liquid crystal display(LCD). CONSTITUTION: A method for correcting a wrong telephone number when inputting the number, comprises the steps of: if a telephone number of a receiving party is inputted in a hook-off-telephone, storing the inputted telephone number to count a waiting time; comparing whether the counted time exceeds a preset time; if so, creating a speech path by dialing to the stored telephone number; if not, confirming whether a specific key is inputted; performing an operation corresponding to the inputted key to correct the telephone number; and storing the corrected telephone number to repeat the steps after counting the waiting time.
Patent KR-20000059769-A (KR)
Inventor: LEE UK YONG
IPC: F25B39/00
Filed: 1999-03-08
Abstract: PURPOSE: A water-cooling and air-cooling combination type outdoor unit of an air conditioner is provided to improve cooling efficiency by mounting net type moisture providing element having high absorptance between upper and lower water tanks for providing water evenly to the whole condenser by using capillary and the gravity. CONSTITUTION: A combination type outdoor unit of an air conditioner including a compressor(51) for converting gas refrigerant of low temperature and low pressure to gas refrigerant of high temperature and high pressure, a condenser(52) for phase-converting the gas refrigerant to liquid refrigerant, an expansion element(53) for converting the liquid refrigerant of high temperature and high pressure to two-phase refrigerant of low temperature and low pressure, and a fan(58) for generating air flow for cooling the condenser, includes water tanks respectively mounted at upper and lower parts of the condenser for storing water, water level sensors mounted in the water tanks for sensing an amount of water, and a moisture providing element(56) mounted between the water tanks for providing humidity by using capillary phenomenon and the gravity.
Patent KR-20000061649-A (KR)
Inventor: KIM SEOK HYEON
IPC: B29C41/04
Filed: 1999-03-29
Abstract: PURPOSE: A method is provided, for preparing polyester resin product with specific pearl-like brilliance. CONSTITUTION: The method comprises the steps of injecting polyester resin where pearl-like brilliance dye is homogeneously diffused into the molding pipe (1); lowering a mold (3) where desired image or letter is formed from the upper part of the molding pipe (1) to the lower part to allow the pearl-like brilliance dye (7) contacted with the metal part (4) of the mold (3) to be pushed out to the space part (5) of the mold; curing polyester resin; cutting the polyester resin to obtain blank; and finishing the blank.
Patent KR-20000065294-A (KR)
Inventor: LEE DONG SEO
IPC: H01L21/66
Filed: 1999-04-01
Abstract: PURPOSE: A micro BGA block of a handler is provided to move a device when devices are continuously supplied to test the efficiency of the device. CONSTITUTION: A micro BGA block of a handler comprises a block body(10), a chip positioning section(12), and a plurality of guides(18). The chip positioning section(12) includes a vacuum hole(14) to accurately position a device of the micro BGA in the micro BGA block body(10). The guide(18) has inclined portions(16) so that it makes contact with the outer peripheral surface of the micro BGA device. The inclined portions are located at a same position as the thickness of the micro BGA device. The inclined angle of the inclined portions is fifteen to twenty five degree. A vacuum hole(14) is formed in the lower surface of the chip positioning section(12). The device is absorbed by using the vacuum hole(14).
Patent KR-20000066354-A (KR)
Title: Bi-directional shift register
Inventor: LEE CHAE HWA
IPC: G11C19/00
Filed: 1999-04-15
Abstract: PURPOSE: A bi-directional shift register is provided which can shift the input of parallel or serial data bidirectionally in a random step. CONSTITUTION: A bi-directional shift register comprises: a mode and road selection part(100) which receives a mode selection signal and a load/shift selection signal and selects the load or shift direction according to the received signal; a step selection part(200) determining a shift step according to a mode selection signal and a step selection signal; and a shift part(300) which is initialized by a set signal and latches data whose load or shift direction is controlled by the mode and load selection part and the step selection part, and then outputs by synchronizing to a rising edge of a clock signal. The bi-directional shift register can change the shift step to be programmable during shifting and also can shift bidirectionally free, and can load from eight bits to one bit along the same path, and can change the shift step of data to be programmable and bi-directionally.
Patent KR-20000066712-A (KR)
Inventor: YOO SEUNG JONG
IPC: H01L21/74
Filed: 1999-04-20
Abstract: PURPOSE: A method for reducing input impedance of a semiconductor memory device is provided to prevent a signal from being delayed in a high speed operation, by forming polysilicon having the same size as a pad in a lower part of the pad, so that a resistance composition is effectively reduced without increasing capacitance. CONSTITUTION: A conductive layer is formed on a semiconductor substrate having an N-well and a P-well. An interlayer dielectric is formed by an oxidation layer on the polysilicon layer. A metal layer is formed on the interlayer dielectric.
Patent KR-19990088062-A (KR)
Title: 액체방울검출장치
IPC: B60S1/08
Filed: 1999-05-06
Abstract: 창유리 등에 가공을 가하지 않고, 간단한 작업에 의해 부착시킬 수 있는 액체방울 검출장치를 제공하는 것을 과제로 한다. 
     발광소자(4)로부터 출사된 광은 회절격자(15)를 통하여 도광체(7)내에 도입되고, 도광체(7)내에서 전반사된 후, 실리콘부재(10), 도광체(9) 및 실리콘부재(10)를 투과하여 자동차 앞유리(G)내에 도입되며, 자동차 앞유리(G)내에서 전반사를 반복한 후, 실리콘부재(10), 도광체(9), 실리콘부재(10) 및 도광체(8)를 통하여 수광수단(5)에 의해 수광된다. 
     이때, 자동차 앞유리(G)의 외측면에 빗방울이 부착되고, 그 부착점이 상기 광의 전반사점일 경우, 자동차 앞유리(G)내에 도입된 광은 전반사하지 않고, 자동차 앞유리(G)로부터 빠져 나가게 된다.  그 결과, 수광소자(5)에 의해 수광되는 광량이 저하되고, 이것에 의해 빗방울이 부착된 것을 검지한다.
Patent KR-19990088151-A (KR)
Title: 디지탈비디오카세트레코더
IPC: G11B5/09
Filed: 1999-05-10
Abstract: 본 발명은 비교적 간단한 방법으로, 가능한한 적은 헤드수로 장시간 모드를 실현할 수 있는 디지탈 비디오 카세트 레코더의 실현을 과제로 한다.  이를 해결하기 위해, 본 발명은 회전 드럼(1)에 180°대향되게 -애지머스각을 가진 -애지머스 헤드 0ch와 +애지머스각을 가진 +애지머스 헤드(Ech)를 설치하고, 또한 회전 드럼(1)의 -애지머스 헤드(Och)로부터 회전 방향으로 270°의 위치에 +애지머스각을 가진 +애지머스 헤드(Lch)를 설치하며, 통상 모드에서는 -애지머스 헤드(Och)와 +애지머스 헤드(Ech)를 교대로 교체하여 기록 재생을 행하고, 장시간 모드에서는 테이프 이송 속도를 반으로 하여 -애지머스 헤드(Och)와 +애지머스 헤드(Lch)를 교대로 교체하여 2 회전에 1 회 기록 재생을 행한다.
Patent KR-20000073809-A (KR)
Inventor: LEE SEUNG GWAN
IPC: F24F11/02
Filed: 1999-05-14
Abstract: PURPOSE: A method for controlling an excessive load of heating in an air conditioner is provided to prevent noises and to decrease the upper and lower deviation of heating capacity when the excessive load condition of heating is sensed. CONSTITUTION: A controller(7) decides that a temperature of an indoor heat exchanger increases and reaches a drop temperature by an excessive load condition of heating. With the drop temperature, the controller decreases the indoor heat exchanger temperature by -2Hz from an operation frequency right before the temperature increases over the drop temperature. The controller starts a ten-minute count while establishing a limited frequency to the maximum frequency. The controller protects a compressor(13) until the indoor heat exchanger temperature decreases to the drop temperature.
Patent KR-20000074927-A (KR)
Inventor: BAE GWANG U
IPC: H04N5/50
Filed: 1999-05-27
Abstract: PURPOSE: A method of selecting a channel of a television receiver is provided to display a broadcasting channel information on a screen when a channel up/down key is pressed for a desired time. CONSTITUTION: The method of selecting a channel of a television receiver comprises the steps of: determining whether a broadcasting channel information is displayed on a screen as a when a channel up/down key signal is input; moving a cursor up and down so that the cursor is positioned at a desired channel selected by a user if the broadcasting channel information is displayed on the screen, and then outputting a PLL(phases locked loop) data of the channel, and determining whether the channel up/down key signal is continuously input for a desired time if the is not displayed; and displaying the broadcasting channel information stored in a memory on the screen if the channel up/down key signal is continuously input for the desired time, and selecting the channel in a channel up/down way if the channel up/down key signal is momently input.
Patent KR-20010001015-A (KR)
Inventor: SONG SEONG BAE
IPC: F24C15/20
Filed: 1999-06-01
Abstract: PURPOSE: An exhaust fan attachment structure for over-the-range oven is provided to achieve an improved exhaust performance by enhancing the structure of the upper plate of cavity. CONSTITUTION: An exhaust fan(70) is installed to the inner rear upper portion of a case(50). The lower end portion of the exhaust fan is mounted onto an upper plate(60a) of a cavity installed below the exhaust fan. The upper plate of the cavity has a groove(G) formed downward from the upper plate so as to ensure a space for installation of a large-sized exhaust fan. When a gas range installed beneath the oven is operated and an exhaust function of the oven is used, the smoke generated from the gas range is sucked through a suction port(50a) formed at the lower portion of the case. The sucked smoke flows toward the exhaust fan along an exhaust passage(50b) formed along the side surface of the case, and is discharged to the outside by the exhaust action of the exhaust fan. Since the exhaust fan with a large size is mounted in the portion where the groove(G) is formed, the exhaust performance is improved.
Patent KR-20010001177-A (KR)
Inventor: KIM IN HWAN
IPC: A61G7/00
Filed: 1999-06-02
Abstract: PURPOSE: An improved bed for a patient confined to bed for a long time prevents bedsores likely to occur on the patient's body. CONSTITUTION: The improved bed is provided with a lift of a framed net sheet over the mattress to move up and down for the patient on it to have enough air between the body and the mattress and prevent the development of bedsores, the air being irradiated with ions and ultraviolet rays for sterilization.
Patent KR-19990068801-A (KR)
Title: 합성수지관이음부의커플링구조
Filed: 1999-06-22
Abstract: 본 발명은 합성수지관(10)(10a)의 이음부를 결착하는 커플링(40)을 합성수지관(10)(10a)의 외경과 일치하는 중앙돌기부(20)와 그 중앙돌기부(20)를 기준으로 좌우에 주름관(30)(30a)을 형성시켜, 하나의 합성수지관(10)에 상기 커플링(40) 일측의 주름관(30)을 삽입시킨후 다른 하나의 합성수지관(10a)을 타측의 주름관(30a)에 삽입시키므로써, 별도의 치구가 필요없이 쉽게 합성수지관(10)(10a)을 연결시킴과 동시에 합성수지관(10)(10a)에 각각의 주름관(30)(30a)이 삽입되면서 주름이 펴져 강하게 밀착되도록 하여 수밀성을 향상시킬 수 있도록 한 것이다.
Patent KR-20000006467-A (KR)
Title: Open-celled rigid polyurethane foam and method for producing the same
Inventor: OGA MICHIHIRO
IPC: C08G101/00
Filed: 1999-06-25
Abstract: PURPOSE: A continuous foam hard polyurethane foaming body is provided to save the raw material cost per unit foaming body volume and supply an excellent surface smoothness. CONSTITUTION: A manufacturing method includes: step(A) mixing a polyol ingredient, an isocyanate ingredient, and a foaming ingredient including a foaming material for freely foaming; a first compressing step(B) compressing the free foaming body freely foamed in the step(A) before a gelatinizing time; and a second compressing step(C) additionally compressing the compressed foaming body obtained from the step(B) before a rise time.
Patent KR-20010008538-A (KR)
Title: Protective case of water meter provided with on-off key part and check valve
Inventor: KIM YEONG SANG
IPC: E03B9/10
Filed: 1999-07-01
Abstract: PURPOSE: A protective case of a water meter provided with an on-off key part and a check valve is provided to prevent a replacement of components due to frequent troubles and a backflow of impurities remaining in water pipes to the water meter due to a difference of water pressure. CONSTITUTION: A protective case of a water meter provided with an on-off key part and a check valve includes a small rod(10) formed integrally to an external side of a leg(11) of a water pipe(5) of water inflow part, an on-off ball valve(6) mounted at a side of a lower bent portion of the water pipe, an on-off rod(8) projected upwardly, an on-off key part(9) formed at an upper end and embedded in the small rod, a key part(13) for inserting the on-off key part, a ball valve(6) or a check valve(14) mounted on the upper end of the water pipe. The check valve has an up and down shutting part(15) projected from the center and a plurality of through holes(16,16') formed the surroundings of the up and down shutting part and located inside a connection pipe. If water flows backwardly, the check valve is lifted to block a discharge hole(21) of the ball valve.
Patent KR-19990073390-A (KR)
Filed: 1999-07-08
Abstract: 본 발명은 초미세회로기판(PCB)에 인쇄되어 있는 회로에 대하여 단락의 유무를 확인할 수 있는 전기적 검사방법 및 그 장치에 관한 것으로서, 치구의 저면에 회로와 같은 모양으로 측정용 핀을 설치하되 기판에 반도체가 고정되는 반도체안착부 위치의 치구에는 반도체안착부와 같은 모양과 크기의 전도체고무를 고정하고, 치구의 외각으로 회로와 같은 수의 핀을 설치하되 핀과 전도체 고무에는 전선을 연결하여서 된 것으로서,  기판에 인쇄되어 있는 회로의 조밀도에 상관없이 단락을 검사할 수가 있으며, 초 미세회로의 단락을 자동으로 검사하므로서 작업시간을 절감하고 제품의 불량 발생을 방지할 수가 있는 유용한 발명인 것이다
Patent KR-20000011974-A (KR)
Inventor: KARASAWA JUNICHI
IPC: H01L21/8244
Filed: 1999-07-26
Abstract: PURPOSE: A semiconductor memory device is provided to promote the slimming of a memory cell and to make fine the contacting with the upper layer wiring. CONSTITUTION: An SRAM comprises: a first conductive layer(16a) which is the gate electrode of a first load transistor(Q6) and a first driver transistor(Q4); a second conductive layer(16b) which is diverged from the first conductive layer on a field oxidization area and electrically connected with a second driver transistor activation area; and a third conductive layer(16c) which is the gate electrode of a second load transistor and a second driver transistor and electrically connected with the first load transistor activation area. Herein, the width of the second conductive layer which is placed on the field oxidization area is smaller than one of the first conductive layer.
Patent KR-20010016907-A (KR)
Inventor: CHO JAE SEOK
IPC: G01M99/00
Filed: 1999-08-05
Abstract: PURPOSE: A performance examination method of an air conditioner is provided to save work time and investment costs by simultaneously examining the performance of an outer unit and an inner unit in a production line and to improve examination efficiency by simultaneously examining the inner unit and the outer unit. CONSTITUTION: A bar code reader(100) reads a bar code of inner and outer units input in an examination process. A first examination device(110) examines the gas leakage defect of the outer unit and the action defection of the inner unit. Communication lines of the inner and outer units are connected and the outer unit is coupled with a pipe of a dummy inner unit. A second examination device(120) examines refrigerating, heating, communication and the action defect of the outer unit. A performance deciding device(140) analyzes the data of an examination set with the bar code. The performance deciding device performs sequentially each examination by receiving an examination signal from the first or second examination device. At the same tine, the performance deciding device decides a defect by synthetically analyzing the data. Thus, a work time and investment costs are saved. Further, examination efficiency is improved by simultaneously examining the inner and outer units.
Patent KR-20010018322-A (KR)
Title: Acupressure device for exercising finger as plaything
Inventor: KYUNG WON SEOK
IPC: A61H39/04
Filed: 1999-08-18
Abstract: PURPOSE: Provided is a finger exercising acupressure device which is covered with a thin layer of precious metals where precious stones or a similar stone thereto are attached, and can be used as a plaything with charming appearance. CONSTITUTION: The device composed of two spherical bodies is made by inserting a connecting axis(3) into holes of a coupling plate(1) and a spherical body(2) composed of two halves and compressing the both ends of the axis to form hollow parts where precious stones(5) are fitted in. The jewels(6,7) can be set on the coupling plate between the spherical bodies of the device or at the end of the plate. The two spherical bodies having a plurality of conic projections can include a jewel area(A) where precious stone-similar plates(5') are attached and coated.
Patent KR-20010018453-A (KR)
Inventor: BAEK JEONG U
IPC: H01L21/60
Filed: 1999-08-19
Abstract: PURPOSE: A gold alloy wire for bonding a semiconductor device is provided to prevent a ball from being separated from a pad and to improve adhesion between the pad and a lead, by making the ball have a proper strength when the ball becomes a pressured ball by pressure of a capillary. CONSTITUTION: A gold alloy wire is composed of Bi of 0.0003-0.003 in weight, Sb of 0.0003-0.003 in weight, Ce of 0.001-0.005 in weight, Ca of 0.001-0.005 in weight and Ag of 99.999 in purity. The gold is electrolytically refined gold of higher than 99.999 in purity. The total content of Ag, Cu and Fe included in the gold does not exceed 10 parts per million(ppm).
Patent KR-20010019246-A (KR)
Inventor: LEE SEONG IL
IPC: F01N1/08
Filed: 1999-08-26
Abstract: PURPOSE: A muffler is provided to enhance resonance effect due to small holes and enhance exhaust sound reducing effect by forming small holes in the specific portion of a U shaped discharge pipe. CONSTITUTION: A muffler installs a discharge pipe(430) in a U shape. Both ends of the discharge pipe are placed in a third space(330) and the bent portion is placed in a second space(320). Many small holes are formed on the bent portion and the second space is filled with sound absorbing materials(500). Then, the discharge pipe is getting longer and the second space fills the role of a resonator with small holes. Thus, exhaust sound is efficiently reduced and the sound absorbing material maximizes the exhaust sound reducing effect in the second space.
Patent KR-20010019857-A (KR)
Inventor: LEE HAK SANG
IPC: B60N2/015
Filed: 1999-08-31
Abstract: PURPOSE: A car seat separating and mounting device permits the firm mounting of a car seat and the speedy and simple separation thereof as needed. CONSTITUTION: A car seat separating and mounting device comprises a first separating and mounting tool(10), a second separating and mounting tool(14) and a roller device(19). The first separating and mounting tool(10) has a first locker(9) connected with a front catch releasing lever(8) elastically supported with a spring(7), to be separated from and mounted to a front striker(6a) disposed in the mounting groove(5) of a floor panel(4). The second separating and mounting tool(14) has a second locker(13) connected with an another second locker elastically supported with a spring(11) by a rear catch releasing lever(12) of a rod form to be separated from and mounted to a rear striker(6b). The roller device(19) disposed in the outside of the first and the second separating and mounting tool(10,14) comprises roller plates(17a,17b) having a front and a rear rollers(18a,18b) connected each other by a link(16) to be moved by a roller operating lever(15).