baber/WOPTO huggingface dataset:
Patent KR-20100115179-A (KR)
Title: Yellow earth panel included heat pipe and onstruction method
Inventor: JUNG HYE JUNG
IPC: E04F15/08
Filed: 2009-04-17
Abstract: PURPOSE: A loess panel for providing heat and a construction method thereof are provided to increase heating effect and be used in floor material, wall, and a ceiling material. CONSTITUTION: A loess panel for providing heat comprises a heat leakage prevention member(600), a fire retardant characteristic insulating material(500), a first loess panel(400), an aluminum plate(300), a second loess panel(200), and an upper plate finishing material(100). The heat leakage prevention member blocks the moisture penetrating into floor or prevents heat loss. The fire retardant characteristic insulating material is located on the upper part of the heat leakage prevention member. The fire retardant characteristic insulating material is positioned on the upper part of the fire retardant characteristic insulating material. The aluminum plate is located on the upper part of the first loess panel. The second loess panel is positioned on the upper part of the aluminum plate.
Patent KR-20090092255-A (KR)
Title: System for recharging settlement means by voip
Inventor: LEE JANG HYUK
IPC: H04N21/60
Filed: 2009-04-20
Abstract: A payment unit money charging system through VoIP capable of performing a charging money input process is provided to transmit information to a VoIP terminal connected to a communication device after confirming payment unit charging information corresponding to customer ID information. An IPTV set top box(160) for IPTV is comprised for the IP-TV audition. A broadcasting station server(140) provides the IP-TV service to the set-top box. An IP-TV subscriber database(145) about set-top box is run the broadcaster server. An ISP(Internet Service Provider) server(120) provides the internet service about the set-top box for IP-TV. The IP-TV subscriber database stores the customer identification information.
Patent KR-20100116284-A (KR)
Title: Press apparatus and method
Inventor: RHIM SUNG HAN
IPC: H01G4/12
Filed: 2009-04-22
Abstract: PURPOSE: A press apparatus and a method is provided to obtain ceramic green bar having uniform density by applying uniform pressure on a ceramic green bar having a step portion. CONSTITUTION: A pressing unit includes a pressing unit(200) and a pressing plate(100). The pressing plate transfers the pressure supplied by a pressing unit to a ceramic bar having a step portion. The pressing plate is formed of an elastomer. The pressing plate includes a body member(120) and a projection(110). The projection is formed on the bottom of the body to correspond to the ceramic green bar.
Patent KR-20100121713-A (KR)
Title: Wet scrubber
Inventor: KIM KYUNG HEE
IPC: B01D47/12
Filed: 2009-05-11
Abstract: PURPOSE: A wet scrubber is provided to reduce water consumption by separately storing water for being sprayed to a filtering part in a separated water tank and supplying clean water to the other separated water tank. CONSTITUTION: Separated water tanks(14, 14a) are formed in a wet scrubber. A gas inlet(18) is installed to the lower side a main body(12), and an outlet(28) is installed to the upper side of the main body. Filtering parts(20, 20a) are separately installed in the main body. Nozzles(24, 24a) are installed to the upper side of the filtering parts. Guiding plates(30, 30a) is installed to the lower side of the filtering parts, and a plurality of through holes is formed in the guiding plates.
Patent KR-20100122175-A (KR)
Title: A high-affinity phosphate transporter gene ospt2 isolated from rice and transgenic plants expressing the said gene
Inventor: KIM DOH HOON
IPC: C12N15/29
Filed: 2009-05-12
Abstract: PURPOSE: A high affinity phosphate transporter gene OsPT2(Oryza sativa phosphate transporter 2) isolated from rice plant is provided to enhance growth of plant. CONSTITUTION: An OsPT2 gene comprises a nucleotide sequence encoding a polypeptide having an amino acid sequence of sequence number 2. The gene isolated from rice plant. The gene is expressed under phosphate depletion. A method for manufacturing a plant transformed by OsPT2 gene comprises: a step of constructing a recombinant vector having OsPT2 gene; a step of transforming the plant with a recombinant vector; and a step of redifferentiating the transformed plant.
Patent KR-20100125765-A (KR)
Inventor: KIM KYUNG HO
IPC: B22C17/08
Filed: 2009-05-21
Abstract: 본 발명은 고열의 맨홀 주조물을 탈형하는 장치에 있어서: 맨홀의 외형을 형성하도록 주형(1)을 안착하는 고정대(11)를 구비하고, 외면 양측에 서로 대응되게 회전축(12)을 구비하는 회전프레임(10); 상기 회전프레임(10)의 회전축(12)이 안착하도록 회전홈(22)이 개재되는 고정대(21)를 구비하고, 상기 고정대(21)와 인접하여 회전프레임(10)의 회전을 방지하도록 회전방지부(25)를 구비하는 고정프레임(20);를 포함하여 이루어지는 것을 특징으로 한다. 
     이에 따라 본 발명은, 간단한 비용으로 제작하여 고열의 맨홀의 주조물을 간편하게 탈형하여 편의성이 증진되고, 제조자의 안전성이 향상하며, 시간단축으로 인해 생산성이 향상되는 효과를 제공한다. 
       
     주형, 주물, 회전, 고열, 안전성, 편의성, 시간단축
Patent KR-20100128779-A (KR)
Title: Escape room for the fire
Inventor: OH SE JONG
IPC: E04H9/00
Filed: 2009-05-29
Abstract: PURPOSE: An escape room for fire is provided, which can protect users from heat, smoke, and poisonous gas generated from fire. CONSTITUTION: An escape room for fire comprises: a firewall(10) serving as fireproof material; a sealing door(20) capable of maintaining sealing state; an emergency power source unit(30) operated when a fire occurs in an apartment; a plurality of first and second ventilation members(40a,40b); a suction pipe(50a) which inhales the external air; an exhaust pipe(50b) discharging the inside air; and a controller(60) controlling on/off power source.
Patent KR-20100128953-A (KR)
Title: Hybrid type ink jet print head
Inventor: CHOI KYUNG HYUN
IPC: B41J2/04
Filed: 2009-05-29
Abstract: PURPOSE: A hybrid inkjet print head is provided to enable the energy to be less used for forming the ink droplet for printing since both an ESD print technique and a piezoelectric actuator based print technique are used. CONSTITUTION: A hybrid inkjet print head(100) comprises an ink chamber. The ink chamber comprises a first chamber, a second chamber, a nozzle(N) and an electrode. The first chamber has a cylindrical shape. The second chamber is formed on the lower end of the first chamber and the diameter of the second chamber becomes small to its lower part. The nozzle has the same center to the first and second chambers. The electrode is installed in the ink chamber and comprises a cylindrical part, a decreased part and a bent part. The decreased part is formed on the lower end of the cylindrical part and the diameter of the decreased part becomes small to its lower part. The bent part is formed on the upper end of the cylindrical part and is extended to the outside of the ink chamber.
Patent KR-20100035580-A (KR)
Inventor: LEE YONG HWA
IPC: F16D27/10
Filed: 2009-06-08
Abstract: 본 발명은 엔진의 회전으로 압축기를 직접 구동시키는 동력전달용 전자클러치에 관한 것으로, 회전력 전달수단, 상기 회전력 전달수단 일측면에 고정되는 디스크, 상기 디스크 일측면에 고정되는 스프링 플레이트, 상기 회전력 전달수단을 회전시키는 로터, 상기 로터에 삽입되어 결합되는 마그네틱이 구비되는 동력전달용 전자클러치에 있어서, 상기 로터를 회전시키는 회전축이 형성되고 엔진의 플라이휠에 고정되어 상기 플라이휠의 회전력을 직접 전달시키는 플랜지, 상기 마그네틱이 회전되지 않도록 상기 로터와 플랜지 사이에 배치되는 마그네틱 플랜지를 포함하는 것을 특징으로 한다. 
     이와 같은 본 발명은 엔진의 플라이휠 및 차량에 별도로 설치된 모터에 의해 선택적으로 압축기가 구동되므로 엔진의 구동 및 정지에 구애됨이 없이 압축기를 구동시킬 수 있으며, 이에 따라 압축기를 구동시키는 동력원에 의해 항시 구동시킬 수 있고, 압축기를 구동시키는 모터의 사용을 최소화하여 동력 효율을 극대화시키는 유용한 효과가 있다. 
       
     전자클러치, 압축기, 플랜지, 마그네틱 플랜지, 디스크
Patent KR-20090129354-A (KR)
Title: Heat processing apparatus and heat processing method for object to be processed, and storage medium
Inventor: YAMAGA KENICHI
IPC: H01L21/324
Filed: 2009-06-10
Abstract: PURPOSE: A heat processing apparatus and a heat processing method for an object to be processed, and a storage medium are provided to improve the accuracy of the device by measuring the temperature of an object to be processed accurately. CONSTITUTION: In a device, a processing vessel(8) accepts an object to be measured having an elastic wave component besides a plurality of objects. A keeping unit(22) maintains the object and an object for measuring the temperature. A gas inlet(40) introduces gas inside the processing vessel. A heating unit(12) heats the object and the object for measuring the temperature. A first conductive member is functioned as a transmission antenna connected to transmitter through the high frequency line. A second conductive member is functioned as a receiver antenna connected to the receiver through the high frequency line. A temperature analysis unit(70) calculates the temperature of the object for measuring temperature based on the electric wave receiving from the receiver antenna. A temperature controller(50) controls the heating unit.
Patent KR-20100137709-A (KR)
Title: Method and apparatus for manufacturing building panel, building panel therefrom
Inventor: AN JUNG SU
IPC: E04C2/26
Filed: 2009-06-23
Abstract: PURPOSE: A construction panel and a manufacturing method and apparatus for the same are provided to easily manufacture a construction panel with superior application, thermal insulation, and sound-absorbing properties. CONSTITUTION: A manufacturing apparatus for a construction panel comprises a top plate molding machine(210), a bottom plate molding machine(220), a horizontal transfer line(230), an inclined transfer line, a sound-absorbing material transfer guide(250), and a foaming machine(280). The horizontal transfer line transfers a top plate formed by the top plate molding machine. The inclined transfer line transfers a bottom plate formed by the bottom plate molding machine. The sound-absorbing material transfer guide supplies a sound absorbing material to the inner side of the bottom plate transferred through the inclined transfer line. The foaming machine foams expandable resin, a filler, between the top and bottom plates.
Patent KR-20100138337-A (KR)
Title: Control methode for time of green traffic light
Inventor: HWANG SANG HO
IPC: G08G1/07
Filed: 2009-06-25
Abstract: PURPOSE: A method for controlling a green traffic signal is provided to smooth traffic flow by controlling the current time of a green traffic signal by adding a weight factor according to the saturation state of an input unit. CONSTITUTION: A CPU board processes traffic situation information, control algorithm, and communicates with a control center. A modem communicates with a central server. A detector board processes data inputted from the detector. An option board controls the option function like a time receiving function and a pedestrian button function.
Patent KR-20110001431-A (KR)
Title: The method for evaluating advanced oxidation process(aop)
Inventor: MOON JI HEE
IPC: C02F1/52
Filed: 2009-06-30
Abstract: PURPOSE: A method for evaluating an advanced water oxidation process is provided to detect the concentration of an oxidizing object inside processing water without measuring. CONSTITUTION: A method for evaluating an advanced water oxidation process comprises the following steps: measuring the initial input concentration of an oxidizing object inside inflow water; inserting pCBA to the inflow water, and measuring the final processing concentration of the pCBA inside the processing water after oxidizing in an advanced water oxidation tank; and calculating the final calculation concentration of the oxidizing object inside the processing water.
Patent KR-20110001730-A (KR)
Title: A bottle cap
Inventor: KIM CHANG HWAN
IPC: B65D55/16
Filed: 2009-06-30
Abstract: PURPOSE: A bottle cap is provided to completely remove connection part or fixing part, thereby a user conveniently, and safely uses the bottle. CONSTITUTION: A bottle cap(2) has a fixing ring(3) which is easily cut off at the bottom part of the bottle cap. A moveable ring(4) is rotatively placed outer side of the bottle cap. A connection string(5) is interlinked to the moveable ring. Protruded parts(6,7) are formed on the upper portion and bottom of the bottle cap in order to not be deviated to outside. A spiral groove is formed on the outside of the bottle cap. The moveable ring moves to the top and bottom along the spiral groove.
Patent KR-20110003970-A (KR)
Title: Manufacturing method of touch panel
Inventor: WON U YEON
IPC: G06F3/041
Filed: 2009-07-07
Abstract: PURPOSE: A method for manufacturing a touch panel is provided to reduce the manufacturing cost by producing a transparent electrode film massively. CONSTITUTION: The heat is added to a transparent electrode film when the transparent electrode film, which a transparent electrode deposited on one side of an insulation film is formed, is wound with a roll-to-roll method(S10). By winding the transparent electrode film with a roll-to-roll method, a photoresist is coated on surface which the transparent electrode is formed(S20). By winding the transparent electrode film with roll-to-roll method, a pattern is used to a photomask and the pattern is generated on the photoresist(S30). By winding the transparent electrode film with a roll-to-roll method, the exposed photoresist is developed(S40).
Patent KR-20110008521-A (KR)
Title: Apparatus for processing paving stone using truck rear tandem axle and tire
Inventor: CHO NAM SEONG
IPC: B24B31/02
Filed: 2009-07-20
Abstract: PURPOSE: A paving stone processing device using two axles of rear wheels of a truck is provided to secure the stable rotational motion of the device by simultaneously rotating and supporting a drum using a rear wheel secondary axis. CONSTITUTION: A paving stone processing device comprises a frame, a rotary drum(120), one or more rear wheel secondary axis(130) and a rotation driving member. A stone inlet is form on one side of the rotary drum in a vertical direction. A processed paving stone outlet(122) is formed on the other end of the rotary drum. A rotational center line of the rotary drum inclines to a stone feed hopper to 0~10°. The rear wheel secondary axis supports contact between the rotary drum and a tire.
Patent KR-20110008644-A (KR)
Title: The falled patient monitoring system using the pressure-pad
Inventor: KIM DONG YOUNG
IPC: A61G7/05
Filed: 2009-07-20
Abstract: PURPOSE: A fallen patient monitoring system using a pressure pad is provided, which enables a user to urgently cope with patient's falling accident. CONSTITUTION: A fallen patient monitoring system using a pressure-pad comprises: a pressure pad(100) which is installed at the lower part of a mat of a bed for medical treatment, detects the state of a fallen patient, and transmits a warning signal including generic number of the bed for medical treatment; a relay(200) which receives the warning signal transmitted from the pressure pad, extracts ID corresponding to the generic number and transmits a call signal including the extracted ID; and an administrator terminal(300) receiving a call signal with ID transmitted from the relay.
Patent KR-20110009318-A (KR)
Title: Compact camera module
Inventor: RYU JAE CHANG
IPC: H04N5/225
Filed: 2009-07-22
Abstract: PURPOSE: A compact camera module is provided to keep an initial location and driving displacement of a lens barrel due to a posture difference of a camera module, thereby increasing the entire performance. CONSTITUTION: A magnetic body(900) is arranged in a lower side of a magnet(400) to pull the magnet in a magnetic direction. The magnetic body is made from a ferromagnetic material and has a hollow disc shape. The magnetic body is arranged between a lower side of a coil(600) and a mounting unit(710) of a base(700). The magnetic body is separated from the magnet with a thickness thicker than the thickness of the coil.
Patent KR-20110011472-A (KR)
Inventor: KIM JUNG MIN
IPC: G02C5/12
Filed: 2009-07-27
Abstract: 본 발명은 탄성을 가지는 코 받침이 일체로 구비된 뿔테 안경에 관한 것으로, 뿔테 안경의 가장 취약한 단점 즉, 만인만색으로 다양하고 다른 코 및 콧등의 모양에 관계없이 사이즈가 획일적이고 비과학적이며 유연함이 없는 안경테 일체식의 딱딱한 코 받침만이 형성됨으로써 안경을 착용하였을 때 안정감과 편안함이 없어 불편함은 물론 코 받침의 자국이 콧등에 선명하게 남게 되어 미관상 매우 좋지 못하고, 안경테에 충격이 가해지면 딱딱한 코 받침으로 인하여 상처를 입게 되는 큰 문제가 있는 바, 본 발명은 안경테와 일체식을 취하기는 하되 코 받침 부분을 탄력 있고 유연성이 우수하도록 하며 어떠한 형태와 모양을 가진 코 및 콧등이라도 매우 편안하고 안정되게 코 받침이 안착할 수 있도록 하는 특징을 가지는 것이다. 
       
     안경테, 코 받침(코받이)
Patent KR-20100017053-A (KR)
Title: Sheet discharging device and image forming apparatus including the sheet discharging device
Inventor: SAHARA HIROSHI
IPC: G03G15/00
Filed: 2009-07-29
Abstract: PURPOSE: A sheet discharging device and an image forming device including the sheet discharging device are provided to stabilize the posture of the exhausted sheet and to increase the rigidity of the sheet. CONSTITUTION: A sheet is loaded on a sheet loading part. A sheet exhaust roller pair comprises a sheet discharge driving roller(51) and a sheet discharge driven roller(52). The sheet exhaust roller pair discharges the sheet in which a toner image is settled using heat as u-shaped curve. The sheet exhaust roller pair comprises metal shafts(51b,52b) which are extended in a width direction.
Patent KR-20110011972-A (KR)
Title: Lime scattering device for prevention of epidemics
Inventor: CHOI JOON HONG
IPC: A01M7/00
Filed: 2009-07-29
Abstract: PURPOSE: A lime scattering apparatus for disinfection work is provided, which prevents lime from being conglomerated and enables a user to scatter lime on wide filed by him/herself. CONSTITUTION: A lime scattering apparatus for disinfection work comprises: a water tub(40) in which lime and water are contained; a mixer(10) for mixing the lime contained in the water tub; a drive motor(20) for drive of the mixer; and a suction device(30) connected to the drive motor. A suction line of the suction device is connected to one side of the mixer and inhales lime liquid while mixing lime. A return hose is connected to one side of the suction device. The other end of the return hose returns lime liquid.
Patent KR-20110012263-A (KR)
Title: Solenoid valve
Inventor: JOE CHOONG HEE
IPC: F16K51/00
Filed: 2009-07-30
Abstract: PURPOSE: A solenoid valve for high-pressure gas is provided to enable a solenoid valve to be stably operated since a main valve for controlling a flow path is formed on the solenoid valve and thus resistance, which is applied to the main valve, is minimized. CONSTITUTION: A solenoid valve for high-pressure gas comprises a body(110), a main valve(140), a coil housing(120) and a plunger(127). The body comprises an inlet port(111), into which high-pressure gas flows, and an outlet port(114). The outlet port is formed to be communicated with the inlet port and discharges the high-pressure gas. The main valve is movably installed on the flow path of the body, which connects to the inlet port to the outlet port. Flow paths(140a,140b), which connect the inlet port to the outlet port, are formed on one side of the main valve. The coil housing is connected to the body and a coil(122) is wound in the coil housing. The plunger is movably installed in the coil housing.
Patent KR-20110012870-A (KR)
Title: 내부전압 안정회로 및 반도체 메모리 장치
Inventor: KIM MIN CHANG
IPC: G11C7/20
Filed: 2009-07-31
Abstract: 내부전압 안정회로는 내부전압 공급단에 연결된 커패시터 및 파워업구간이 종료된 후 인에이블되는 리셋신호에 응답하여 상기 커패시터를 활성화시키는 스위치소자를 포함한다. 
       
     저장커패시터, 파워업구간
Patent KR-20110014476-A (KR)
Title: Multi-layer settlement meter, multi-layer settlement metering system, multi-layer settlement metering method
Inventor: RO HEE JONG
IPC: E02D1/00
Filed: 2009-08-05
Abstract: PURPOSE: A multi-layer settlement meter, a multi-layer settlement metering system, and a multi-layer settlement metering method are provided to more accurately check movement of ground by simultaneously detecting the displacement of a settlement meter with respect to a reference rod and the inclination change of the settlement meter. CONSTITUTION: A multi-layer settlement meter(100) comprises a rootage part(110), a sensing part(130), and a connection bar(120). The rootage part is inserted into a hole and rooted in the surrounding ground. The sensing part is located directly above the rootage part and senses the movement relative to a reference rod inserted in the hole. The connection bar connects the rootage part and the sensing part. The sensing part includes a case(131) which is formed of a cylindrical box connected to the connection bar, a sensor mount(132) which is fixed in the cylindrical box, a wiper(133), a rotary type variable resistor(135), and a clinometer(136).
Patent KR-20110014929-A (KR)
Title: Realtime distribution line monitoring system from the theft
Inventor: JU SEONG HO
IPC: G08B13/00
Filed: 2009-08-06
Abstract: PURPOSE: A power line monitoring system for protecting a power line from a theft is provided to reduce an error rate of a power line by comparing a wave with a spread spectrum signal. CONSTITUTION: A transformer(100) converts high voltage electricity into low voltage electricity. A signal supply unit(200) applies a certain signal to a power line. A terminal key apparatus(320) converts a signal from the signal supply unit into a spectral pattern signal A signal detector(400) is installed in a neutral line at low voltage section between the transformer and a subscriber and receives the spectral pattern signal passing through the terminal key apparatus An integrated data concentrator(500) senses whether the power line is stolen or not based on the spectral pattern signal.
Patent KR-20110016776-A (KR)
Title: Zrb2-sic composition of nano dimension and manufacturing method of the same from the zirconium silicides
Inventor: LEE SEA HOON
IPC: C04B35/58
Filed: 2009-08-12
Abstract: PURPOSE: A method for preparing ZrB_2-SiC composition of nanosize is provided to prevent local concentration of chemical composition. CONSTITUTION: A method for preparing ZrB_2-SiC composition of nanosize using zirconium silicide comprises: a step of mixing precursor, borons, and carbons including Zr and Si; and a step of performing thermal treatment of mixture at 1200-1650°C. The borons are at least one selected from boron carbide, boron oxide, and boric acid. The carbons are at least one selected from graphite, carbon black, activated carbon, phenolic resin, and pitch.
Patent KR-20110020075-A (KR)
Title: Magnetic force type connecting elements
Inventor: HAM KI JUN
IPC: F16B35/04
Filed: 2009-08-21
Abstract: PURPOSE: A screw fixing member using magnetic force is provided to easily attach boards with various materials on a construction surface without using a working tool. CONSTITUTION: A screw fixing member(200) using magnetic force comprises a first structure(210) and a second structure(220). The first structure has a head part and a male screw part(215) extended from the head part. The second structure has a female screw part coupled to the male screw part of the first structure. The first structure comprises a pressing part(225) with magnetic force. A magnetic ring(211) with a central hole is inserted into the head part of the first structure. The second structure is extended from the front of the female screw part. A guide hole(221) is formed in the second structure.
Patent KR-20110024585-A (KR)
Title: Elastic mat material and its method of manufacturing
Inventor: SO BYUNG CHUN
IPC: E01C13/00
Filed: 2009-09-02
Abstract: PURPOSE: An elastic floor material using expanded olefin and a construction method thereof are provided to enable environmentally-friendly construction by minimizing the elution of heavy metal and preventing the smell of rubber. CONSTITUTION: A construction method of an elastic floor material using expanded olefin is as follows. An expanded olefin sheet or mat is attached to concrete bottom by spreading an adhesive and pressing the sheet or mat. Polyurethane resin or urethane waterproofing agent is repetitively spread on the expanded olefin sheet or mat so as to flatten the constructed surface or mat. The flattened surface is finished with UV blocking agent such as acryl resin, antioxidant, or UV coating agent.
Patent KR-20110027263-A (KR)
Title: 빨대
Inventor: KIM PAN GYU
IPC: A47G21/18
Filed: 2009-09-10
Abstract: 본 발명은 빨대에 대한 것으로서, 더욱 상세하게는 결합부가 굴곡부로 형성된 2개의 파이프로 구성되어 2개의 파이프가 용이하게 분리되는 것을 방지할 수 있는 빨대에 대한 것이다. 
     본 발명에 따른 빨대는 외측파이프와, 내측파이프를 포함한다. 상기 외측파이프는 하단부에 복수의 굴곡이 형성된다. 상기 내측파이프는 상단부에 상기 외측파이프의 굴곡과 형합하는 복수의 굴곡이 형성된다. 그리고 상기 내측파이프가 슬라이딩을 하여 상기 외측파이프의 굴곡과 상기 내측파이프의 굴곡이 결합하면 상기 외측파이프의 하단이 상기 내측파이프의 굴곡의 오목한 골에 결합한다. 
     또한 상기의 빨대에 있어서, 상기 외측파이프의 하단부의 굴곡과 상기 내측파이프의 상단부의 굴곡은 유연하게 휘어질 수 있는 것이 바람직하다. 
     본 발명에 의하면, 빨대는 복수의 굴곡으로 내측파이프 및 외측파이프가 결합된 빨대를 제공함으로써 내측파이프 및 외측파이프가 쉽게 분리되는 것을 방지할 수 있다. 
       
     빨대, 굴곡부