baber/WOPTO huggingface dataset:
Patent KR-20010022401-A (KR)
Title: 산소를 이용하여 액체 반응물을 연소시켜 실리카를형성하기 위한 방법
IPC: C03B19/10
Filed: 1998-07-07
Abstract: 본 발명은 실리카를 제조하는 방법에 관한 것이다. 열산화분해법에 의해 SiO 2 로 전환될 수 있는 액체 실록산-함유 원료가 제공되며 연소 버너의 화염내로 직접 주입되는데, 상기 연소 버너의 화염은 미세하게 분할된 무정질의 수트를 형성하여 상기 화합물을 실리카로 전환시킨다. 상기 액체가 산소가스, 또는 산소가스 및질소가스와 같은 다른 가스의 혼합물의 스트림과 함께 분사되어 전환되는 전환 사이트 및/또는 증착 사이트에서 상기 수트는 기화된다. 상기 무정질의 수트는, 증착시에 실질적으로 동시에 또는 연속적으로 상기 수트가 광섬유 예비성형품과 같은 용융 실리카 유리의 바디로 소고되는 수용기 표면상에 증착된다.
Patent KR-20010024109-A (KR)
Title: 종양 또는 암 성장을 치료하고, 조혈을 회복시키거나증가시키기 위한 효력증진 조성물 및 방법
IPC: A61P43/00
Filed: 1998-09-17
Abstract: 본 발명은 종양 또는 암 성장을 치료할 뿐만 아니라 조혈을 회복시키거나 증가시키기 위해 이러한 환자를 치료하는 효력증진 조성물 및 방법을 제공하고 있다.  본 발명은 세포독성 T-림프구 유도 조성물 및 종양 분비된 면역억제 인자의 활성을 중화시키거나 하향 조절할 수 있는 1종 이상의 제제를 개별적으로 또는 배합하여 투여하는 것을 포함한다.
Patent KR-20010030659-A (KR)
Title: Pentopyranosyl nucleoside, and production and use of the same
IPC: C07K16/00
Filed: 1998-09-21
Abstract: The invention relates to a process for preparing a conjugate that includes a pentopyranosyl nucleic acid and a biomolecule. The process includes the steps of providing a pentopyranosyl nucleic acid having at least two pentopyranosyl nucleotide subunits that are covalently linked between carbon 4 and carbon 2 of their respective pentopyranosyl rings. The pentopyranosyl nucleic acid also has an electrophilic reactive group. A biomolecule having a nucleophilic reactive group is also provided. The electrophilic reactive group of the pentopyranosyl nucleic acid and the nucleophilic reactive group of the biomolecule are reacted to form a covalent bond.
Patent KR-20010032103-A (KR)
IPC: G01L13/00
Filed: 1998-11-13
Abstract: 본 발명은, 2개의 절대 압력 측정 장치(9a, 9b)가 단일 지지 기판, 특히 반도체 칩(1) 상에 모놀리식으로 집적된, 2개의 공간 또는 매체 사이의 압력차를 측정하기 위한 마이크로 기계적 차압 감응 장치에 관한 것이다. 상기 절대 압력 측정 장치(9a, 9b)는, 바람직하게는, 표면 마이크로 기계가공 기술에 의해 제조된다.
Patent KR-20010040389-A (KR)
Title: 열 충격 단백질을 사용하여 염증성 질환을 치료하는 방법
IPC: A61K38/16
Filed: 1999-01-22
Abstract: 본 발명은 염증성 반응과 연관된 질환으로부터, 특히 호산구증가증, 기도 반응성항진 및/또는 Th2형 면역 반응을 특징으로 하는 염증성 질환으로부터 포유동물을 보호하는 방법에 관한 것이다.  이 방법은 이러한 질환을 갖는 포유동물에게 열 충격 단백질의 투여를 포함한다.  본 발명의 방법에 유용한 제형이 또한 기술되어 있다.
Patent KR-20010052334-A (KR)
Title: 신티그래피용 특이 결합 분자,이를 함유하는 접합체 및맥관형성의 치료방법
IPC: A61K38/00
Filed: 1999-05-11
Abstract: 본 발명은 맥관형성 표지물인 피브로넥틴(fibronectin)의 ED-B 영역의 특징적 에피토프에 대한 특이적 부나노몰 친화성(sub-nanomolar affinity)을 갖는 항체에 관한 것이다.  또한, 본 발명은 생체내에서 신생 혈관을 검출하기 위한, 방사성표지 고친화성 항-ED-B 항체의 용도에 관한 것이다.  또한, 본 발명은 상기 항체 및 적당한 광활성 분자(예, 적당히 선택된 감광제)를 포함하는 접합체(conjugate) 및 새로운 혈관의 선택적 광-매개 폐색을 위한, 상기 접합체의 용도에 관한 것이다.
Patent KR-20010043878-A (KR)
Title: 허리 개구 주위에 증강된 신장성을 갖는 일회용 팬티형기저귀
IPC: A61F13/72
Filed: 1998-05-28
Abstract: 허리 개구 주위에 증강된 신장성을 갖는 일회용 가멘트가 개시되어 있다.  일회용 가멘트는 전방 영역, 후방 영역 및 상기 전방 영역과 후방 영역 사이의 가랑이 영역을 갖는다.  일회용 가멘트는 몸체부(chassis) 및 솔기를 포함한다.  몸체부는 상면시이트, 그에 연결된 배면시이트 및 상기 상면시이트와 배면시이트 사이에 위치된 흡수 코어를 갖는다.  몸체부는 전방 영역 및 후방 영역에 측부 가장자리 및 허리 가장자리를 갖는 중심 패널, 및 중심 패널의 측부 가장자리로부터 각각 측방향 바깥족으로 연장되는 귀형 패널을 갖는다.  귀형 패널은 신장되어 신장성 귀부를 형성한다.  신장성 귀부는 상부 말단 가장자리, 하부 말단 가장자리, 내부 측부 가장자리 및 외부 측부 가장자리를 갖는다.  외부 측부 가장자리는 내부 측부 가장자리에 평행하지 않고, 가멘트의 종방향 중심선에 평행하지 않으며, 상부 말단 가장자리에 근접하면서 측방향 바깥쪽으로 돌출된다.  내부 측부 가장자리와 외부 측부 가장자리 사이의 신장성 귀부의 측방향 나비는 하부 말단 가장자리에 인접한 부분보다 상부 말단 가장자리에 인접한 부분이 더욱 크다.  솔기는 외부 측부 가장자리를 따라 귀형 패널을 각각 일회용 가멘트의 반대쪽 영역의 상응하는 부분에 연결시켜, 하나의 허리 개구 및 두 개의 다리 개구를 형성한다.  솔기는 종방향 중심선에 평행하지 않다.
Patent KR-20020057453-A (KR)
Title: Study implement
Inventor: CHOI JAE MYOUNG
IPC: G09B1/08
Filed: 2001-01-04
Abstract: PURPOSE: A studying appliance is provided to maximize the interesting and the effect of studying and to save cost of manufacturing thereof by allowing a student to directly confirm whether answers are correct or not by using attractive force and repulsive force of magnets and increasing the amount of chips per unit area. CONSTITUTION: In the studying appliance that magnets attached to an answer attachment position(2) of a board(1) and a correct answer chip(3) are arranged to have opposite polarities, the magnets are formed by a rubber magnet(4) that the magnetism thereof is distributed in a linear form, and in addition, magnetic lines of force installed on the plural answer attachment positions and the correct answer chips are able to be arranged to have different angles.
Patent KR-20010067481-A (KR)
Title: A Probe Structure of a Therapeutic Laser System
Inventor: PARK JEONG HWAN
IPC: A61B18/20
Filed: 2001-01-09
Abstract: PURPOSE: A probe structure of a laser treatment device is provided to ensure the free movement of a patient by fixing a probe mounted with a laser diode on the affected part. CONSTITUTION: The structure of a probe(1) allows the laser diode to be fixed on the affected part by a decompressing absorption method with many laser diodes being uniformly spaced from the affected part. The probe structure is constituted by a bell-shaped elastic probe case(10); a laser diode(20,21) fixed in the probe case to face a bottom opening part of the probe case; an electric power introduction part(30) connected to a lead line of the laser diode; an air inlet and outlet part(40) penetrating the probe case; and a decompression adjustment device communicating the air inlet and outlet part.
Patent KR-20020060458-A (KR)
Title: Power supply with automatic power factor correction apparatus
Inventor: HONG UI SEONG
IPC: H02M1/12
Filed: 2001-01-11
Abstract: PURPOSE: A power supply device for automatically improving a power-factor is provided to obtain desired power-factor effect at first and second voltages. CONSTITUTION: A first rectifier circuit(21) rectifies an alternating current voltage from an alternating current power supply(25) to a ripple voltage. A transformer(23) transforms an amplitude of the ripple voltage rectified by the first rectifier circuit(21). A second rectifier circuit(24) rectifies the transformed ripple voltage from the transformer(23) to a constant voltage. An automatic power-factor improving device(22) automatically adjusts a power-factor according to an output voltage. A bridge rectifier(21a) rectifies the alternating current voltage. A capacitor(21b) converts the voltage rectified by the bridge rectifier(21a) into the ripple voltage. A winding section(23a) performs a transforming operation. A controller(23b) controls the winding section(23a).
Patent KR-20020061088-A (KR)
Title: Indoor Noise Measurement System on Car and the Operating Method
Inventor: LEE JUN HO
IPC: G01H17/00
Filed: 2001-01-13
Abstract: PURPOSE: A system for measuring indoor noise of vehicle and operating method of the same are provided to measure actual noise a passenger feels by measuring noise according to change of speed of the vehicle. CONSTITUTION: A system includes a sensor part(10) including a throttle position sensor(12) detecting opening degree of a throttle valve, a sound level meter(16) installed in a car room to detect indoor noise and a car speed sensor(14) detecting speed of the vehicle; a control part(20) connected with the sensor part to receive signal from the sensor and outputting noise measured according to change of the speed of the vehicle by opening degrees of the throttle valve; and a monitor(30) connected with the control part and displaying signals input by the sensor part to the control part.
Patent KR-20020060921-A (KR)
Title: Double cup container
Inventor: RYU UNG SANG
IPC: B65D81/34
Filed: 2001-01-13
Abstract: PURPOSE: A cup-form vessel capable of heating water supplied to an inner vessel by an exothermic reaction of water overflowed from the inner vessel with a heating element by forming a storage space for the heating element generating an exothermic reaction with water therein is provided which permits a user to have a taste of suitably cooked food. CONSTITUTION: This double-wall vessel comprises: an outer vessel(12) having a specified shape; an inner vessel(14) to be placed at the inside of the outer vessel to have a clearance space separated from the inner surface of the outer vessel with a specified distance and to contain cooked food; and a heating element(16) placed in the clearance space to react with water.
Patent KR-20010076276-A (KR)
Title: Bonding apparatus and bonding method
Inventor: ENOKIDO SATOSHI
IPC: H01L21/607
Filed: 2001-01-16
Abstract: PURPOSE: To eliminate the need for an exclusive camera for calibrating offset when using a reference member for calibrating offset. CONSTITUTION: An axis center 4a of a tool 4 is brought closer to a reference member 30, laser diodes 16 and 17 are sequentially turned on for picking up the images of the reference member 30 and the tool 4 in X and Y directions by a camera 7 for detecting positions, and the amount of deviation of the tool 4 and the reference member 30 is measured. The camera 7 for detecting positions is brought closer to the reference member 30 to measure the amount of deviation between a light axis 7a of the camera 7 for detecting positions and the reference member 30 using the camera 7 for detecting positions. Based on the measurement values and the amount of travel, an accurate amount of offset is obtained. The image light of the tool 4 and the reference member 30 is guided to the camera 7 for detecting positions by prisms 13, 14, and 18, and a half mirror 15, thus eliminating the need for an exclusive camera for detecting the amount of deviation between the tool 4 and the reference member 30.
Patent KR-20020062529-A (KR)
Title: Structure for preventing crack of four way-key metal dome in impact load shocking
Inventor: KIM JAE UK
IPC: H04M1/23
Filed: 2001-01-22
Abstract: PURPOSE: A device for preventing damage of a metal dome of a four-way key in generation of shock load is provided to improve the reliability of a terminal. CONSTITUTION: A key(30) of a keypad is located opposite to a metal dome(34) connected to a board(32). If the key(30) is pressed by a user, a bottom end of the key(30) presses the center of the metal dome(34), thereby inputting data in the state that the metal dome(34) contacts to the board(32). A damage prevention device(40) is mounted at the center of the board(34) where the metal dome is located. The damage prevention device(40) closes the center of the metal dome(34) and the board(32), and reduce the distance of the center of the metal dome(34) moving up and down, thereby absorbing force or shock applied to the metal dome(34).
Patent KR-20020063699-A (KR)
Title: Paper feeding apparatus having paper aligning function
Inventor: CHO YONG GON
IPC: B65H9/16
Filed: 2001-01-30
Abstract: PURPOSE: A feeder unit having a paper alignment function is provided to prevent double feed and jam error by stably aligning the tips of papers in tiers though large quantity of papers are loaded on a cassette. CONSTITUTION: A feeder unit abstracts the papers(1) loaded on a cassette(10) by rotational drive of a separation roller(21) one by one and feeds along the feed path in an image-forming machine. The feeder unit includes an aligning device aligning the tips of the papers loaded on the cassette in tiers. The aligning unit is an aligning roller disposed to the upper part of the separation roller and coupled to a rotating shaft eccentrically. The feeder unit includes a train of gearing(200) transmitting power to the aligning roller from a power source, and a clutch unit selectively shutting off power transmitted to the aligning roller. The train of gearing includes a driving gear(210) taking the power from the power source, a slave gear(250) coupled at the front end of the rotating shaft of the aligning roller, and connecting gears installed between the driving gear and slave gear. Therefore, double feed and jam error are prevented.
Patent KR-20010078788-A (KR)
Title: Crystalline silicon semiconductor device and method for fabricating same
Inventor: MINAGAWA YASUSHI
IPC: C30B25/02
Filed: 2001-02-08
Abstract: PURPOSE: A crystalline silicon semiconductor device is provided to have a uniformly oriented polysilicon layer for solar cells. CONSTITUTION: A rugged structure is formed on a substrate(1). A metallic catalyser(3) is dispersed to arrange in depressed parts of the ragged structure in a spotty manner. An amorphous silicon layer(4) is formed thereon. Crystalline phases(5) with respective orientation are brown from the parts of the metallic catalyser(3) by heat treatment. And, the crystalline phases(5) are mutually united by further continuing the treatment to form polycrystalline layer(6).
Patent KR-20020066699-A (KR)
Title: Liquid crystal display management method of mobile communication terminal
Inventor: KIM CHUN SEOP
IPC: H04B1/40
Filed: 2001-02-13
Abstract: PURPOSE: A method for managing a display screen of a mobile communication terminal is provided to vivify an image and 3-dimensionally display the image by adjusting a brightness according to each gradation. CONSTITUTION: A control unit of a mobile communication terminal receives an input for selecting one gradation among a plurality of gradations(101). The control unit selects the gradation according to the input(103). The control unit adjusts the brightness of the selected gradation according to the input of a directional key of a user(105). The control unit receives the input of a setting key from the user(107). The control unit sets the last selected brightness as the brightness of the selected gradation(109).
Patent KR-20010044397-A (KR)
Inventor: AHN TAE HYEON
Filed: 2001-02-16
Abstract: PURPOSE: The method for contents-certified web mail service using the third server is provided to check oneself easily only by seeing user information recorded to the third server, and to insure the loss of a content-certified e-mail. CONSTITUTION: A web mail user sends the contents-certified mail to a receiver(1). The third server returns the e-mail, that the user information and content-certification code are added, back to a sender for checking him(her)self(2). The web mail user confirms that a person who sends the content-certified e-mail is him(her)self(3). The third server sends a certification and the contents-certified e-mail, attached an e-mail address checking code, to the receiver(4). The receiver confirms the content-certified e-mail(5). The third server notifies the acceptance of the contents-certified e-mail to the sender(6).
Patent KR-20010085638-A (KR)
Title: Plating apparatus
Inventor: KAMEYAMA KOJIRO
IPC: H01L23/48
Filed: 2001-02-27
Abstract: PURPOSE: To provide a convenient lead-free soldering device to meet the demand of environmental protection. CONSTITUTION: A conductive member 21 is dipped in the plating solution of a first plating bath 2 and then in the plating solution of a second plating bath 3 to deposit two films 22 and 23 each of a different metallic material by this plating method. The plating solution of the first plating bath 2 and the plating solution of the second plating bath 3 have the same composition except the metallic material and an acidic solvent to dissolve the metallic material, hence a water washing bath is not needed, and a plating method is realized wherein the concentration control of the plating solution is facilitated.
Patent KR-20020073925-A (KR)
Inventor: SIM TAE YOUNG
IPC: E01D19/00
Filed: 2001-03-17
Abstract: PURPOSE: An installation structure of a beam for a bridge is provided to simplify the installation of the beam by making centers of the gravity of the beam and a bearing easily conformed. CONSTITUTION: In the beam(12) to be installed between bearings(10), each of which is installed on a pier(15) or abutment, the bearing is formed with a coupling protrusion(11) on the upper end, and the beam is formed with a coupling recess(13) on the side of the bottom surface and an elongate groove(14) at the opposite side of the bottom surface.
Patent KR-20020074950-A (KR)
Title: A Strength Member Fixed Device Of Optical Preconnectorized Cable
Inventor: CHO HAN DAE
IPC: G02B6/46
Filed: 2001-03-23
Abstract: PURPOSE: An apparatus for fixing a pulling line of an optical termination cable is provided to insert and fix the pulling line of the optical termination cable into a pulling line fixing device by installing the optical termination cable inside a branch device. CONSTITUTION: A receiving portion(300) is formed in a predetermined space of a direction of a center axis of a cylindrical body part(200). A pulling line of an optical cable is inserted into the receiving portion(300) of the cylindrical body part(200). A pulling line separation barrier is formed in an inner circumference of the receiving portion(300). A pulling line insertion identification portion(500) is used for identifying an inserting state of the pulling line into the receiving portion(300). A pulling line fixing portion(800) is installed inside a branch device.
Patent KR-20020076579-A (KR)
Title: Filter for washing machine
Inventor: KIM YEONG SU
IPC: D06F39/10
Filed: 2001-03-29
Abstract: PURPOSE: A nap collecting device for a washing machine is provided to collect the impurities contained in the washing water effectively by introducing the water stream into the filtering part via introduction holes of a cover and water stream guides. CONSTITUTION: A nap collecting device for a washing machine includes a cover(50) having a plurality of introduction holes(52) opened upwardly for the introduction of washing water, a plurality of water stream guides(55) protruded on the top surface of the cover and having a plurality of introduction holes(56) opened in the rotation direction of the cover for introducing the water, and a fixing case mounted with the cover and having a filtering part inside for filtering impurities contained in the water which passed the introduction holes of the cover and the water stream guides to discharge the impurities to a washing tub.
Patent KR-20010095138-A (KR)
Title: Exposure apparatus and exposure method, and method of manufacturing a device
Inventor: HAYASHI YUTAKA
IPC: H01L21/027
Filed: 2001-03-30
Abstract: PURPOSE: An exposure device, an exposure method and a method for preparing a device using the exposure device are provided, to maintain the transmittance of an exposure light and to improve the utilization efficiency of a low-absorption gas for inhibiting the useless consumption. CONSTITUTION: The exposure device(100) comprises at least one isolated space which is placed in the light path between an energy beam source(1) and a substrate(W); and a gas supply system which supplies the energy beam transmitting gas into a first chamber(a housing of a lighting optical system and the housing of a projection optical system) among the isolated spaces and supplies the gas from the first chamber into a second chamber(a mask chamber for accommodating a mask stage and a substrate chamber for accommodating a substrate stage) among the isolated spaces.
Patent KR-20020078330-A (KR)
Title: Deflection yoke for cathode ray tube
Inventor: HWANG SEONG GU
IPC: H01J29/76
Filed: 2001-04-09
Abstract: PURPOSE: A deflection yoke assembly for a CRT is provided to reduce dispersion of characteristics of ferrite core and improve screen quality by preventing movement of the ferrite core. CONSTITUTION: A deflection yoke assembly comprises a separator(11) integrally inserted into a funnel portion(15) of a CRT(14), and which has a first stopper protrusion formed at the outer surface of the separator; a ferrite core(12) having an end with a first coupling groove(23) such that the first protrusion of the separator is inserted into the first coupling groove when the ferrite core is coupled to the separator, wherein the ferrite core has the other end with a plurality of second coupling grooves; and a support member(13) having a plurality of second stopper protrusions(30), such that the support member fixes the ferrite core to the separator by permitting the second stopper protrusions to be coupled to the second coupling grooves formed at the ferrite core, when the support member is coupled to the separator.
Patent KR-20010087775-A (KR)
Title: a drainer for a breast wall
Inventor: KIM SEUNG GYU
IPC: E02D29/02
Filed: 2001-04-11
Abstract: PURPOSE: A retaining wall drain device is provided to promptly and smoothly drain water, to prevent the intrusion of soil and sand into an inlet of a drainage pipe, to prevent traffic jams by draining water through a drainage channel, and to prevent the staining and aging of the surface of the retaining wall. CONSTITUTION: A retaining wall drain device includes a gabion(10) of a prescribed size installed at an inlet(1a) of a drainpipe(1) disposed at an upper end of the retaining wall, to concentrate water toward the inlet of the drainpipe. An outlet(1b) of the drainpipe is located at a front and lower end of the retaining wall, i.e., in the inside of a drainage channel(50) installed at road sides, and thereby water is directly drained to the drainage channel.
Patent KR-20020080975-A (KR)
Title: A car frame reinforcing structure
Inventor: KIM CHAN HO
IPC: B62D21/15
Filed: 2001-04-18
Abstract: PURPOSE: A reinforcing structure of a frame for a vehicle is provided to prevent passengers from being injured by restricting deformation of the frame and by absorbing impact efficiently at a collision. CONSTITUTION: A triangular reinforcing structure(1) is folded at the center line, and plural slots(2) are spaced longitudinally in the reinforcing structure. Both edges(4) of the reinforcing structure are mounted at the sides of a vertical member, and the end of the reinforcing structure is attached to a horizontal member of a frame. A supporting plate(3) of the reinforcing structure is moved backward in applying impact at a head-on collision, and shock is absorbed with compressing the supporting plate. The passenger is protected safely by restricting deformation of the frame with absorbing impact.
Patent KR-20010100930-A (KR)
Title: 유기 ｅｌ 장치의 제조 방법
IPC: H01L27/32
Filed: 2001-04-30
Abstract: 개구율을 향상시키고 좁은 피치를 제공하여 화소 사이의 비점화부를 좁히는 것이 가능하고, 동시에 표시 화소 사이의 단락을 제거하여 누화와 비점화 화소를 제거할 수 있는 유기 EL 표시 장치의 제조 방법을 제공한다.  전극(6)의 증착 처리에서, 기판 상의 증착 물질의 입사각은 기판(1)과 마스크(11) 사이의 거리와 기판과 점 증발원(13) 사이의 거리와 같은 인자를 임의로 변화시켜 최적화된다.  따라서, 복수의 증발원으로부터 증착 물질이 마스크(11)의 개구(슬릿 11a)를 통해 다른 입사각으로 비스듬이 지나는 기판 표면에 부딪쳐서, 전극 패턴(6)의 폭(10)이 다른 입사각에서 슬릿을 지나는 증착 물질을 중첩시켜 슬릿의 폭 보다 넓어진다.
Patent KR-20020085604-A (KR)
Title: Hospital Home-page building system by using Internet community
Inventor: PARK GIL JUN
IPC: G06F17/00
Filed: 2001-05-09
Abstract: PURPOSE: A system for constructing a homepage of a hospital by using an Internet community is provided to make a homepage of high reliability and awareness by building a database including basic frames and design sources for the homepage. CONSTITUTION: A data providing module(1) provides the web design data stored in a server. A database module(3) collects and rearranges the data stored in the data providing module. A data categorizing and high-quality information database building module(2) updates and categorizes the data of the database module to directly use the data of the database module in the homepage. A purchaser module(4) selectively purchases the data of the data categorizing and high-quality information database building module. A homepage constructing agent module(5) builds a basic frame in a site by using the data selected in the purchaser module.
Patent KR-20020086795-A (KR)
Title: Suction valve fixing device for reciprocating compressor
Inventor: YOON HYEONG PYO
IPC: F04B39/10
Filed: 2001-05-11
Abstract: PURPOSE: A device for fixing intake valve of reciprocating compressor is provided to firmly join the intake valve to a piston while reducing dead volume between the intake valve and a discharge valve as far as possible. CONSTITUTION: A joining member mounting groove(11a) with fixed depth is formed on a center of a front end surface of a piston(11) to mount a joining member(13) easily welded to an intake valve(12). The larger a diameter of the joining member mounting groove the closer to an outside contacting with the atmosphere so that bubble generated when lead ash metal(14) is melt is easily discharged. An outer edge of the joining member mounting groove is beveled to be expanded outward.