baber/WOPTO huggingface dataset:
Patent KR-20010018360-A (KR)
Inventor: KIM TAE DONG
IPC: C22B1/16
Filed: 1999-08-19
Abstract: PURPOSE: A method for manufacturing unburned pellet is provided to economically manufacture unburned pellet having superior strength and low adhesive property by dividing assembling step of unburned pellet into two steps and differing types of bonding agent used in each steps. CONSTITUTION: A method for manufacturing unburned pellet in which fine powder of iron ore or iron contained dusts are used as a main material, hydraulic bonding agent added compounding raw materials are assembled, and then cured comprises the steps of a first assembly step in which a first compounding raw material to which one or more normal bonding agents are added is first assembled to a particle diameter which is 70 to 96% of final pellet particle diameter, a second assembly step in which a second compounding raw material to which super fine cement is added is adhered to surface layer part of first assembled new pellet, thereby second assembling to the final particle diameter of the pellet, and hardening the new pellet second assembled in the second assembly step.
Patent KR-20010019854-A (KR)
Inventor: LIM KWAN JAE
IPC: A63B55/57
Filed: 1999-08-31
Abstract: PURPOSE: Stand for supporting a golf bag is provided which simplifies function and also loses weight so that it enables users to carry more conveniently. CONSTITUTION: The stand for supporting the golf bag comprises the parts of: an upper support plate(10) wherein a binding groove(11) is placed in both bodies and the lower part and a working part(12) with spherical form is projected in the middle part of body; a rotation body(20) wherein an insertion groove is formed with keeping the same slide angle as an insertion projection inside the body and a binding projection(22) is formed outwardly in the middle lower part of the body; a stand(30) which is inserted into the middle lower side of the rotation body; and a tension spring(40) which is adhered to the binding projection and controls support or recover force of the rotation body with including a support plate(41).
Patent KR-20010026056-A (KR)
Inventor: KIM YEONG UN
IPC: B60K26/00
Filed: 1999-09-02
Abstract: PURPOSE: An engine interruption preventing system hinders an immediate clutch return of a clutch when releasing a clutch to prevent an engine from being interrupted, thereby making possible an easy departure and providing a driver with reliability. CONSTITUTION: An engine interruption preventing system comprises a first gear position sensor(12) as well as a reverse gear position sensor(14), an ECU, a relay-1(26) as well as a relay-2(24), an on/off switch(10), an actuator driving member(28) and a vacuum solenoid valve(29). The first gear position sensor(12) and the reverse gear position sensor(14) connected between an ignition switch and an ECU perceive a gearshift state. The ECU receives signals from the first gear position sensor(12), the reverse gear position sensor(14), a RPM sensor(20) and a transmission shaft RPM sensor(22). The relay-1(26) and the relay-2(24) are operated by the signal of the ECU. The on/off switch(10) selectively operates the actuator driving member. The actuator driving member(28) is operated by the signal of the ECU. The vacuum solenoid valve(29) is operated by the signal of the ECU. The actuator driving member(28) has an air cylinder moves with a clutch pedal. The air cylinder has two air outlets, one having an air adjusting screw and the other having a disk operated by an actuator. When a vehicle starts, the disk closes the air outlet to slow down the return of the clutch pedal and when the starting is completed, the disk opens the air outlet not to interfere with the return of the clutch pedal.
Patent KR-20010026442-A (KR)
Inventor: JUNG HYUNG GEUN
IPC: A63H3/16
Filed: 1999-09-06
Abstract: PURPOSE: An assembly kit of a pose changeable doll and an assembly method thereof are provided to assembly a doll while varying the pose of the doll according to the preference of an assembler. CONSTITUTION: An assembly kit consists of a set of doll components(10,10',10"), a joint member(20) connected to a connection part at the end thereof, and filling material. In the doll component set, at least one connection part(14,14',14") and a skin part(16) are included. The joint member has a flexible joint in the middle part thereof to adjust the mutual pose relation between the doll components. The filling material is filled in a region between the doll components and the connection parts assembled in a desired pose relation. As the filling material is solidified, the desired pose relation between the doll components is fixed. For assembling the doll components, each fixing part of the joint member is fixed to the connection parts of the doll components. The flexible joint is deformed to ensure the doll components to be arranged to have a specific shape according to the preference of an assembler. When the filling material is filled and solidified, the assembly process is completed.
Patent KR-20010027641-A (KR)
Inventor: KOO DO SEO
IPC: H01L21/68
Filed: 1999-09-15
Abstract: PURPOSE: A wafer tweezer is provided to prevent a wafer from being separated from a portion of a vacuum hole and being damaged even when a vacuum applying pressure decreases a little because of a temporary abnormal state of a vacuum tube, by making a vacuum type wafer tweezer stably grab the wafer. CONSTITUTION: A hole(23,33) for applying vacuum is divided into more than two portions to form a wafer tweezer(10), the hole being in contact with a wafer. A tip portion of the wafer tweezer is divided, and the hole for applying vacuum is installed in the respective tip portions.
Patent KR-20000000280-A (KR)
Inventor: KIM CHEOL SOO
IPC: H01F3/00
Filed: 1999-10-09
Abstract: PURPOSE: A core characteristic controller fixes one side core of a core having first and second cores separable from each other to a movable moving plate, makes the user move the moving plate, varies a magnetic flux density of a core body according to a variable length between the first and second cores, easily designs a filter for filtering noises of a specific frequency band, and easily sets an optimum core to be used to the filter. CONSTITUTION: A case(1) has an inside space of a predetermined size. A knob(2) is projected to an upper part of the case(1), and is rotated by the user. A gear(4) is connected to a rotation shaft(3) extended from the knob(2). A rack(5) is meshed with one side of the gear(4), and goes straight with being meshed with the gear(4) when the user rotates the knob(2). A moving plate(6) is connected to a front end of the rack(5). A core body(9) has the first and second cores separable from each other, is connected to the moving plate(6), makes a distance between the first core(7) and the second core(8) be varied according to a manipulation of the user's knob(2), and varies a magnetic flux. Accordingly, a filter for filtering noises of a specific frequency band is easily designed, and an optimum core used to the filter is set.
Patent KR-20010037368-A (KR)
Inventor: SEO CHUN KYO
IPC: G06F17/00
Filed: 1999-10-15
Abstract: PURPOSE: The method for illustrating guide information is provided to improve the convenience of a user when the guide information in a telephone directory book is serviced, by displaying the guide information obviously so that the user can see the information at one glance. CONSTITUTION: The guide information such as the information of a telephone directory book includes a trademark name, a user name, a telephone number and an address. The data of an explanation is attached to the end of the guide information so that the guide information can be suitable for an internet search engine. The telephone directory book as the guide information including the explanation removes an unnecessary click when the user surfs on the internet, and thereby reduces the waste of a band width.
Patent KR-20010038224-A (KR)
Inventor: LEE DONG HEE
IPC: G06F3/12
Filed: 1999-10-22
Abstract: PURPOSE: A copy machine and its control method is provided to normalize two dimensional curved image data by using three dimensional geometry data taken with a three dimensional digital camera so that it can copy efficiently copy curved target objects and reduce a malfunction. CONSTITUTION: The machine comprises an image taking device(10), a controller(20), and a printer(30). The image taking device(10) takes the three dimensional geometry data and the two dimensional image data from a target copy object. The controller(20) accepts the images, taken by the device(10), normalizes the curved two dimensional image data, and converts the normalized data into the printable image data. The printer(30) prints the converted data on a paper. The image taking device(10) projects Moire interference pattern, analyzes the variation of the pattern, and obtains the three dimensional geometry data.
Patent KR-20010045375-A (KR)
Inventor: KIM SEUNG MO
IPC: H01L23/48
Filed: 1999-11-04
Abstract: PURPOSE: A method for manufacturing a lead frame is provided to reduce a mounting area of a semiconductor package on a mother board and decrease an electrical path of the semiconductor chip, by forming a lead frame in which the ends of leads are bent to overlap each other so that the bend overlap portion is exposed to the exterior. CONSTITUTION: A lead frame material(50) to be a lead frame is punched to form a penetration hole. The peripheral portion of the penetration hole is separately punched to form a lead(30). End portions of a plurality of the leads are simultaneously bent and overlapped to form an overlap portion(32).
Patent KR-20000012329-A (KR)
Inventor: LEE KANG KOOK
IPC: C01B5/00
Filed: 1999-11-26
Abstract: PURPOSE: An alkaline purified water containing much minerals and its preparation provided which does not contain metal and bacteria contamination and contains much minerals with alkalinity, above pH 8.0 at 20°C. CONSTITUTION: An alkaline purified water containing much minerals is prepared by mixing water and 1-50 wt.% of loess in a rotary agitator under stirring at 50 to 150 rpm, precipitating the mixture for 30-60 minutes, compulsorily transporting the supernatant liquid to a two-step filtration system, and sterilizing the mixture through an ultraviolet sterilizer.
Patent KR-20010063949-A (KR)
Inventor: HAN SANG HYEON
IPC: H01J29/87
Filed: 1999-12-24
Abstract: PURPOSE: A structure for fixing a ground plate of a cathode ray tube is provided to easily release the ground plate of the cathode ray tube from an electromagnetic wave shielding film. CONSTITUTION: The structure for fixing a ground plate of a cathode ray tube comprises an electromagnetic wave shielding film(15) having a supporting bracket(16) formed at an edge thereof; and a ground plate(20) including a rounded surface portion(21), a horizontal surface portion(22) and a locking portion(23). The horizontal surface portion(22) is formed at the end of the rounded surface portion(21) so that a predetermined slit is formed between the horizontal surface portion(22) and the rounded surface portion(21). A cut-away groove(26) is formed at the horizontal surface portion(22). The locking portion(23) protrudes from one side corner of the cut-away groove(26) in the horizontal surface portion(22). When the ground plate(20) is mounted to the electromagnetic wave shielding film(15), the supporting bracket(16) is introduced through the slit of the ground plate(20) and passes through the cut-away groove(26). Then, the supporting bracket(16) is brought into contact with the front surface of the locking portion(23).
Patent KR-20010060707-A (KR)
Inventor: JUNG HEUNG GYO
IPC: C10B39/14
Filed: 1999-12-27
Abstract: PURPOSE: An apparatus for replacing a quenching car capable of easily transferring the quenching car to a rail placed radially by subjecting a rail placed radially during rotation of a rotary plate to coincidence with a rail mounted on the rotary plate using a circular rotary plate is provided, which reduces replacing time and available hands. CONSTITUTION: The apparatus for replacing a quenching car comprises: a circular rotary plate(50) supported by a supporting rod of a rotary rod mounted with a rotary rod supporting roller and installed with a movable car rail at the upper part; rails(1)(3) installed radially to conform to the movable car rail; a pinion gear(23) for transferring power by a motor and speed reducer; a rocking cylinder(30) for fixing to the supporting rod of the rotary rod to insert into a plurality of rocking holes; and a magnet(40) and proximity switch installed on the side surface of rotary plate mounting holes.
Patent KR-20010059955-A (KR)
Inventor: KIM SEONG GEOL
IPC: B21C47/00
Filed: 1999-12-31
Abstract: PURPOSE: A tension controller is provided to minimize a change of quality by automatically controlling braking force according to weight of a bobbin and uniformly maintaining tension of supplied wires. CONSTITUTION: A tension controller(20) comprises a bobbin for supplying a wire(10); a first and a second guides(21,22) to guide the wire(23) from the bobbin(10) by installing outside the bobbin(10); a dancer body(24) elastically installed in the opposite side to the guides(21,22); and a band brake lining(25) contacted with a flange of the bobbin(10) by fixing in the dancer body(24). Many wires are arranged between the second guide(22) and a guide boom(24a) and moved by reciprocating between the guide(22) and the guide boom(24a).
Patent KR-20000023581-A (KR)
Inventor: VIEJA TOMAS
IPC: H05K3/40
Filed: 1999-01-06
Abstract: PURPOSE: A method for metalizing one more printed circuit board or one more pressed screen and one more hybrid is provided to bond reliably a printed circuit board or a pressed screen and a hybrid by using a simple method. CONSTITUTION: A method for metalizing one more printed circuit board or one more pressed screen and one more hybrid comprises the steps of: manufacturing contact elements(31) on a metalizing foil(30); arranging the metalizing foil on the hybrid to locate the contact elements at a predetermined place between lead circuits of a hybrid(20) and lead circuits of a printed circuit board(10); and etching a portion of the metalizing foil to be accessed to some of the contact elements.
Patent KR-20000068578-A (KR)
Title: 디스플레이 디바이스
IPC: G02F1/1343
Filed: 1998-05-11
Abstract: 디스플레이 디바이스는 이온화가능한 개스(33)를 함유하는 채널들(30, 30', 30")과 동작동안 이온화가능한 개스(33)의 플라즈마 방전을 선택적으로 발생시키기 위하여 전극들(31, 32)를 포함하는 상기 채널들(30, 30', 30")의 벽들을 포함하는 채널 플레이트(39)를 포함한다. 디스플레이 디바이스는 플라즈마 방전의 방전 상태에 의해 조절되는 광학 특성을 갖는 물질의 전자-광학층(35)을 또한 포함한다. 디스플레이 디바이스는 상기 전극들(31, 32)중 적어도 하나의 전극이 평균 직경 2.5㎛, 바람직하게는 1.5㎛를 갖는 스퍼터-저항 물질의 입자들을 포함하는 층(37)을 포함한다. 입자들은 희토류 붕화물들(예를들어 LaB 6 ) 또는 루테늄 산화물로 이루어지는 것이 바람직하다.
Patent KR-20000068785-A (KR)
Title: 내식성 및 내화성 파이프시스템
IPC: F16L9/12
Filed: 1998-08-28
Abstract: 본 발명은 해양산업과 군사용 및 민간용 원양어선의 스프링클러 시스템과 관공서 및 공업용 빌딩의 스프링클러 시스템용으로 적합한 내식성 및 내화성 파이프 시스템에 관계한다.  본 파이프시스템은 하나이상의 관형 고무층(11,13,15)과 상기 고무층(11,13,15)을 에워싸는 강직성 냉간성형성 파이프 섹션(10)을 포함한다.  상기 보강층은 감기고, 꼬이고, 편직되거나 서로 교차하는 와이어 또는 리본으로 구성되며 각 리본 또는 와이어는 파이프 섹션의 종축과 보강된 관형 고무층(11,13,15)에 최고의 강도를 부여하는 감기 또는 나선각도를 형성한다.  본 파이프 시스템은 다중-경로 커플링시 파이프 섹션(10)은 또다른 파이프 섹션에 연결시키는 브렌치 연결부(18)를 포함한다.
Patent KR-20000053361-A (KR)
Title: Adaptive sparse equalization filter
Inventor: LU CHENG-YOUN
IPC: H04L25/03
Filed: 1997-10-29
Abstract: PURPOSE: A TLLS adaptive filter which is implement with one or more input-weighted TLLS FIR filters, or with only a forward TLLS FIR filter or with only a feedback TLLS FIR filter is provided. CONSTITUTION: A sparse digital adaptive equalizer including forward and feedback Finite Impulse Response(FIR) filters exhibits improved Least Mean Square operation. A switch assigns one of several multipliers of each filter to any one of the tap locations of that filter. Each multiplier is initially assigned to a preselected tap location with a predetermined weighting coefficient. After completing successive time cycles having a duration equal to a given number of data sample periods, for each filter there is determined a first group of coefficients associated with multipliers then assigned to non-zero value tap locations, and a second group of coefficients associated with multipliers then assigned to zero valued locations. Multipliers associated with first group coefficients during a just-completed time cycle retain their tap locations during the next time cycle. Multipliers associated with second group coefficients during a just-completed time cycle are reassigned to new tap locations for use during the next time cycle.
Patent KR-20000069398-A (KR)
IPC: B01J23/18
Filed: 1997-11-12
Abstract: 본 발명은 산소를 사용하는 암모니아 산화에 의해 아산화질소를 제조하는데 사용되는 특허청구된 촉매에 관한 것이다.  본 발명은 반응 혼합물 중의 산소 함량이 화학량론적 양에 근접하거나 이하일 때 고활성을 나타내고, 아산화질소에 대한 높은 선택도 및 산화질소에 대한 낮은 선택도를 나타내는 촉매를 제공하는 것을 목적으로 한다.  촉매 조성은 산화망간(MnO 2 로 언급함) 5.0 내지 35.0질량%, 산화비스무트 4.5 내지 30.0질량% 및 산화알루미늄 35.0 내지 90.5질량%이고, 비표면적은 5 내지 80m 2 /g이다.
Patent KR-20000070398-A (KR)
Title: 설파미드-메탈로프로테아제 억제제
IPC: C07D211/36
Filed: 1998-01-14
Abstract: 본 발명은 메탈로프로테아제의 억제제인 하기 화학식 I의 설파미드, 이를 함유하는 약학 조성물, 이의 사용 방법 및 이들 화합물의 제조 방법에 관한 것이다: 
     화학식 I 
     
       
     
     상기 식에서, 
     R 1 , R 2 , R 3 , R 10 , R 20 및 R 21 은 명세서 및 청구의 범위에서 정의한 바와 같다.
Patent KR-20000070549-A (KR)
Title: 가장자리 대 중심부의 변화가 있는 홀로그래픽 스크린이 구비된 투사형 텔레비전
IPC: H04N9/31
Filed: 1998-01-29
Abstract: 텔레비전용 투사 스크린(22)은 필름판(24) 위에 3차원 홀로그램(26)을 갖는다.  상기 스크린(22)은 복수 개의 겹침식 홀로그램 및/또는 프레넬 렌즈를 포함할 수 있으며, 이들의 광학적 성질은 수직과 수평 방향으로 변화한다.  서로 다른 컬러에 대한 이미지 투사기들(14, 16, 18)은 광전송용 판넬 위에 있는 적어도 하나의 홀로그램(26)에 의해 형성된 투사 스크린(22)으로 수렴하는 이미지를 조정하는데,상기 투사기(14, 16, 18)로부터 후면위로 수렴하는 빛을 모으고, 그 이미지를 제어된 광분산으로 정면에 디스플레이시킴으로써 상기 이미지가 실질적으로 앞쪽을 향하도록 한다.  상기 홀로그래픽 스크린(22)은 간섭 배열을 형성하고 시청 영역에 있어서 홀로그래픽 이득, 조준, 센터링 중 적어도 어느 하나의 광학적 성질이 수평과 수직 방향으로 변화하게 된다.  조준은 적어도 하나의 프레넬 부분에 의하여 제공되며, 이 프레넬 부분의 초점거리는 중심점으로부터 가장자리부까지 변화될 수 있는데, 이는 광선을 중심축쪽을 향하여 더욱 안쪽으로 향하게 함으로써 가장자리부의 휘도를 개선시키기 위한 것이다. 상기 중심점은 상기 스크린의 중심으로부터 특히 수직 방향으로 이격되어 있을 수 있으며, 프레넬 초점거리에 있어서의 변화율은 반대 방향에서 또는 서로 다른 평면에서 상기 중심점과 다를 수 있다.  상기 프레넬 부분은 선형의 렌즈형 프레넬인 것이 좋다.
Patent KR-20000075805-A (KR)
Title: 열전 변환 소자
IPC: H01L35/32
Filed: 1998-12-24
Abstract: 본 발명에 따른 열전 변환 소자에서 전력 발생 효율(즉, 변환 효율)은 Si 베이스 P 형 및 N 형 반도체 사이에 PN 접합 형성용 Ag, Al 또는 은 납땜 재료로 이루어진 금속막을 삽입하고, 반도체와 리드 배선 사이의 접합부에 Zn, Ni, Cu, Ag, Au 또는 Cu-30Zn 중 하나로 이루어진 금속막을 삽입함으로써 개선되며, 이로써 기전력과 열 기전력은 금속과 반도체 사이의 계면 영역에 발생된 쇼트키 장벽에 기인하여 서로 제거되지 않게 된다.  소정의 열전 변환 효율은 원래의 열전 속성이 저하하는 일 없이 본 발명에 개시된 재료에 의해 달성될 수 있다.
Patent KR-20010020123-A (KR)
Title: 플레이트형 열교환기의 제조방법
IPC: F28F3/08
Filed: 1998-04-21
Abstract: 본 발명은 플레이트형 열교환기(1) 바람직하게는 소위 회수기의 제조방법에 관계한다.  이것은 플레이트 사이에 조립배치된 유동채널을 구비하며 하나걸러의 각 채널은 열방출매질흐름을 또다른 각 채널는 열흡수매질흐름을 수용하도록 설계된다. 하나의 매질 바람직하게는 열방출매질을 위한 유동채널이 상기 매질을 위한 매니폴드와 평행하게 연결된다.  또한 플레이트는 하나의 역류부와 2개의 직교류부를 회수기 내에 형성하도록 설계된 승강패턴을 가지며 이 승강패턴의 하나는 역류부의 각 측면에 있고 또한 직교류부는 역류부보다 높이가 낮은 승강패턴을 가진다.  펀칭 및 프레스조작을 이용하여 각 플레이트에 개구부(4',6')를 형성하며 측벽은 개구부의 엣지 주변에 형성된다.  조인트작업을 통해 측벽이 내압식 조인트연결되면 측벽은 매니폴드(4,6)의 벽을 형성한다.  각 플레이트 상에 있는 역류부와 직교류부의 전체 승강패턴은 상기 프레스조작에서 각각의 승강패턴높이까지 압축된다.
Patent KR-20010081218-A (KR)
Title: Impingement cooling for the shroud of a gas turbine
Inventor: BURDGICK STEVEN SEBASTIAN
IPC: F01D5/14
Filed: 2000-02-11
Abstract: PURPOSE: A cooling apparatus of a shroud system is provided to improve cooling efficiency by preventing leak in a cooling passage to an inner shroud segment, and by minimizing collision distance between an opening part of a cooling member and a cooling wall. CONSTITUTION: An inner shroud(22) is combined with an outer shroud(20), and cooling air is supplied through an inlet to the inner shroud. The inner shroud is composed of a wall(42) dividing a high temperature gas passage(16), plural cavities formed in the opposite of the wall, and a cover having compartments(52). An opening part is formed in the lower part of the compartment, and the compartment is placed in the cavity in fixing the cover in the inner shroud. Cooling air is moved into the compartment through the opening part, and bumped into the wall of the inner shroud for cooling. Air is discharged through a passage(45) of the wall. Leakage between the outer shroud and the cover is prevented, and cooling efficiency is improved with minimizing distance between the opening part and the cooling wall.
Patent KR-20010083719-A (KR)
Title: Apparatus for back lighting of LCD having an optical fiber
Inventor: BADIMBEUI SEUMIREUNOPEU
IPC: G02B6/00
Filed: 2000-02-21
Abstract: PURPOSE: A back light unit of an LCD using an optical fiber is provided to supply light to a back light unit and improve a quality of picture by using an optical fiber. CONSTITUTION: An optical fiber(61) of a back light unit(60) is installed in bundle units. The number of optical fiber(61) corresponds to the number of pixel formed on a polarization plate(81) installed on a back face of an LCD panel(80). A diffusion line(83) is formed to a longitudinal direction of an outer circumference face of the optical fiber(61). The diffusion line(83) has the same length(L1) as a pixel line(82). The light irradiated through an inside of the optical fiber(61) is emitted to the outside of the optical fiber(61) through the diffusion line(83). The emitted light is transmitted to the LCD panel(80) through the pixel line(82).
Patent KR-20010082844-A (KR)
Inventor: CHOI JAE BEOM
IPC: G02F1/136
Filed: 2000-02-21
Abstract: PURPOSE: A liquid crystal display is to enable to manufacture the display at a low temperature by eliminating a deposition process of a semiconductor material and an insulating layer used to form a switching element on a substrate. CONSTITUTION: A substrate includes a pixel area and a switching area. The pixel area is arranged in an nxm matrix form, and the switching area is disposed at a region in which four pixel areas are adjacent. A nano block is formed on respective switching areas in a rectangular shape. Four thin film transistors having a gate electrode and a source/drain electrode are integrated in the nano block. Each thin film transistor has a gate and a source/drain pad and is formed symmetrically on four faces. The m numbers of data interconnections(160) for applying a signal to each nano block are formed on boundaries of a column direction of each pixel area. The n numbers of gate interconnections(150) for commonly applying a signal to N-th and (N+1)th nano blocks are formed on boundaries of a row direction of each pixel area. A pixel electrode(170) formed on each pixel area commonly receives a signal from the N-th and (N+1)th nano blocks.
Patent KR-20010084877-A (KR)
Inventor: CHO JUNG HYU
IPC: F22B1/28
Filed: 2000-02-29
Abstract: PURPOSE: An electric boiler is provided to reduce cost for using and installing the boiler through obtaining selected heating water and hot water by using a minimum amount of calories through directly contacting a heater and circulating water. CONSTITUTION: A boiler is formed by boiler units(10) for heating water inputted to the units by using a heater. Then, the water is discharged through hot water and vapor discharging pipes(18). Herein, a hot water and vapor discharging main pipe(19) and a water supplying main pipe(17) are connected from upper and lower head portions of the boiler units. Thus, water is supplied to the boiler units, and the water is heated for being supplied to the hot water and vapor discharging main pipe. Herein, the heat generated from the heater is contacted to the water flowing in a boiler unit main body. The water is supplied to an upper portion of the main body for being discharged to the hot water and vapor discharging main pipe by passing through the hot water and vapor discharging pipes. Herein, the water is conveniently heated by the boiler units, and the water is combined in the hot water and vapor discharging main pipe for increasing amount of hot water.