baber/WOPTO huggingface dataset:
Patent WO-2009051413-A2 (WO)
Title: Procédé et appareil d'égalisation de charge en deux étapes pour chaîne de batteries raccordées en série
Inventor: LEE JOONG HUI
IPC: H02J7/02
Filed: 2008-10-16
Abstract: L'invention concerne un appareil d'égalisation de charge en deux étapes pour chaîne de batteries raccordées en série, qui comprend: un module à plusieurs batteries raccordées en série; une chaîne de batteries comportant M (M≥2) modules de batteries raccordées en série; M modules commutateurs de régulation de charge raccordées en parallèle à chacun des M modules de batteries; M seconds convertisseurs CC/CC raccordés à chacun des M modules commutateurs de régulation de charge; un premier convertisseur CC/CC unique raccordé au M second convertisseur CC/CC; et un microprocesseur qui commande le module commutateur de régulation de charge. Le premier convertisseur CC/CC reçoit un potentiel global de la chaîne de batteries et produit un potentiel inférieur à celui entré, et chacune des batteries composant le module de batteries partage le second convertisseur CC/CC utilisant le module commutateur de régulation de charge.
Patent WO-2009136729-A2 (WO)
Inventor: CHANG SUNG CHEOL
IPC: H04W72/10
Filed: 2009-05-06
Abstract: A terminal transmits control information to a base station by using a periodically allocated dedicated channel. In further detail, the terminal checks control information that needs to be transmitted, detects a priority of the checked control information, and selects control information to be transmitted to the base station based on the detected priority. The terminal forms a PDU by multiplexing the selected control information, and transmits the PDU to the base station.
Patent WO-2010047483-A2 (WO)
Title: Group-iii nitride semiconductor light emitting device
Inventor: KIM CHANG TAE
IPC: H01L33/20
Filed: 2009-10-07
Abstract: The present disclosure relates to a Group-III nitride semiconductor light emitting device, more specifically to the Group-III nitride semiconductor light emitting device comprising: a substrate; a first nitride semiconductor layer that is formed on the substrate and has a first conductivity; a second nitride semiconductor layer that is formed on the first nitride semiconductor layer and has a second conductivity different from the first conductivity; plural Group-III nitride semiconductor layers that are placed between the first and second nitride semiconductor layers and include an activation layer, wherein the activation layer generates light through the recombination of electrons with holes; and openings that are formed from the substrate to the plural Group-III nitride semiconductor layers and have first and second scattering planes. The first scattering plane scatters the light generated from the activation layer, and the second scattering plane has a different inclination from the first scattering plane.
Patent WO-2010137853-A2 (WO)
Title: Roller for printing materials on metal
Inventor: KIM HYEONG PYO
IPC: B05C17/02
Filed: 2010-05-25
Abstract: The present invention relates to a roller for printing materials on metal, used for printing a base color on a metal sheet. The roller comprises: a core (10) serving as a rotary shaft; a cylindrical roller body (20) coupled to the core; and a printing plate (30) detachably attached to an outer surface of the roller body (20). The roller of the present invention enables the replacement of the printing plate alone instead of replacing the entire body of the roller, thereby enabling the easy replacement of the roller and shortening the time taken for replacing the roller.
Patent WO-2011025221-A2 (WO)
Title: Procédé et appareil de demande de ressource de liaison montante et de transfert dans un système de communication sans fil comportant des stations relais
Inventor: CHO HEE JEONG
IPC: H04B7/14
Filed: 2010-08-24
Abstract: L'invention concerne un procédé de demande de ressource de liaison montante et de transfert dans un système de communication sans fil comportant des stations relais, qui consiste à transmettre une demande d'allocation de ladite ressource à une station relais et à recevoir un message indiquant que cette station ne peut pas allouer ladite ressource à la station mobile dans une période qui est le délai d'attente de réponse à la station mobile de la part de la station relais.
Patent WO-2011034386-A2 (WO)
Title: Apparatus and method for configuring frame structure in relay wireless communication system
Inventor: CHANG YOUNG-BIN
IPC: H04B7/14
Filed: 2010-09-17
Abstract: An apparatus and method for reduces an overhead caused by an operation transition gap in a Relay Station (RS) of a relay wireless communication system. The method includes identifying a signal delay time with an upper node. A transmission/reception operation transition time is determined through a negotiation with the upper node. An idle time is identified. An overhead caused by a transmission/reception operation transition is determined with consideration of a start time point of an Uplink (UL) subframe dependent on the signal delay time, the transmission/reception operation transition time, and the idle time. And communication is performed considering the overhead. The start time point of the UL subframe is set earlier than a start time point of a UL subframe of the upper node in consideration of the idle time.
Patent WO-2011043623-A2 (WO)
Title: 다층 광학 필름 및 이의 제조방법
Inventor: JOO CHEON YONG
IPC: B32B7/023
Filed: 2010-10-08
Abstract: PEN을 포함하는 제1수지층 및; 헤테로사이클릭 다가알콜이 공중합된 PET를 포함하는 제2수지층이 교대로 적층된 구조를 가지는 다층 광학 필름은, 내열성이 우수하고 제조시 연신성이 우수하며 헤이즈가 낮고 수지층 간의 굴절률 차이가 커서 광학적 특성이 우수하다.
Patent WO-2011052992-A2 (WO)
Title: Device and method for inserting watermarks in contents and for detecting inserted watermarks
Inventor: HWANG INGU
IPC: H04N5/913
Filed: 2010-10-27
Abstract: Provided are a device and method for detecting watermarks in content carrying watermarks. One method for watermark detection according to the present invention comprises the steps of: extracting the label of a frequency component of the content; generating a bit sequence by making bit values correspond on the basis of changes in the label being extracted; checking correlation while shifting the phase of the band-spreading code (pn sequence) with respect to the generated bit sequence; and checking the amount of phase shift in the band-spreading code at times when the correlation checked in this way falls into the category of autocorrelation, and then determining a bit group having a value corresponding to the amount of phase shift checked in this manner. The bit group determined in this way constitutes part of watermark data.
Patent WO-2011102698-A2 (WO)
Title: Method and apparatus for device synchronization and power conservation in a wireless communication system
Inventor: BHATIA ASHUTOSH
IPC: H04W52/02
Filed: 2011-02-22
Abstract: The present invention provides a method and apparatus for device synchronization and power conservation in a wireless communication system. In one embodiment, a method of a communication device for device synchronization and conserving power includes determining one or more device parameters in a wireless communication system, where the one or more device parameters are indicative of one or more time slots and at least one additional guard slot required during data transaction. The method also includes forming a connection request including the one or more device parameters, and communicating the connection request to a controller in the wireless communication system. Moreover, the method includes receiving a connection assignment frame including a device allocation interval from the controller based on the one or more device parameters, wherein the device allocation interval includes the one or more time slots and the at least one additional guard slot allocated to the communication device for data transaction.
Patent WO-2011126221-A2 (WO)
Title: Power control system by using distributed generation
Inventor: LEE DONG-GEUN
IPC: H02J9/04
Filed: 2011-03-14
Abstract: A power control system is connected to a grid to control power supplied to a load. The power control system includes a battery unit configured to give a power charging/discharging function; a distributed generation configured to generate power by consuming fuel; a power conditioning system configured to receive power from the grid and charge the battery unit with the received power, the power conditioning system converting power discharged from the battery unit and power generated at the distributed generation suitably for the grid and supplying the converted power to the load; a controller configured to control the battery unit and the distributed generation such that at least one of the battery unit and the distributed generation supplies power to the load when the load demands reserve power.
Patent WO-2011115415-A2 (WO)
Title: Crochet needle having a handle
Inventor: CHO IN SUNG
IPC: D05B91/02
Filed: 2011-03-15
Abstract: The present invention relates to a crochet needle having a handle, in which a crochet hook unit and a handle unit are firmly coupled together to prevent the hands of a user from slipping during use and relieve fatigue and pain in the hands. For this purpose, the crochet needle having a handle according to the present invention comprises: a rod-shaped crochet hook unit, one end of which has a hook for catching thread; and a handle unit to which a base portion, which is the other end of the crochet hook unit, is coupled, wherein the base portion of the crochet hook unit has a flat bar shape. In addition, the crochet needle of the present invention has a cushion portion made of a soft resin, formed at the area which the hands of the user contact. Thus, the crochet needle of the present invention prevents the hands of the user from slipping during use, relieves fatigue and pain in the hands caused by long-term use, and prevents the crochet hook unit from rotating at or escaping from the handle unit.
Patent WO-2011118975-A2 (WO)
Inventor: HAN SEUNG HEE
IPC: H04B7/26
Filed: 2011-03-23
Abstract: 본 발명은 무선 통신 시스템에 관한 것이다. 구체적으로, 본 발명은 무선 통신 시스템에서 복수의 PUCCH를 전송하는 방법 및 이를 위한 장치에 관한 것으로서, 상기 복수의 PUCCH 중에서 제1 PUCCH에 대한 자원을 확인하는 단계; 상기 복수의 PUCCH 중에서 상기 제1 PUCCH를 제외하고 남은 하나 이상의 제2 PUCCH에 대한 자원을 상기 제1 PUCCH에 대한 자원으로부터 유추하는 단계; 및 상기 복수의 PUCCH를 해당 자원을 통해 동시에 전송하는 단계를 포함하는 PUCCH 전송 방법 및 이를 위한 장치에 관한 것이다.
Patent WO-2011149190-A2 (WO)
Title: 온수기용 온수저장탱크
Inventor: MIN TAE SIK
IPC: F24H9/02
Filed: 2011-04-22
Abstract: 본 발명은 온수저장탱크의 본체에 구비된 입수구와 출수구의 결합구조를 간단하게 구성하여 제작이 용이하고 비용을 절감할 수 있는 온수기용 온수저장탱크를 제공함에 그 목적이 있다. 이를 실현하기 위한 본 발명의 온수저장탱크는, 온수가 내부에 저장되는 본체와, 상기 본체의 내부로 온수가 유입되는 입수구와, 상기 본체로부터 온수가 유출되는 출수구가 구비된 온수기용 온수저장탱크에 있어서, 상기 본체에는 상기 입수구와 상기 출수구가 동일한 위치에 형성되고, 상기 출수구는 상기 입수구의 내부를 관통하여 위치된 것을 특징으로 한다. 본 발명에 의하면, 입수구와 출수구를 본체의 동일한 위치에 형성하고, 입수구의 내부로 출수구가 관통되도록 위치시킴으로써 온수저장탱크의 전체 구조가 간단해져 온수저장탱크의 제작이 용이하고 제작 비용을 절감할 수 있는 효과가 있다.
Patent WO-2011149213-A2 (WO)
Title: １１베타－ｈｓｄ１ 효소의 억제활성을 갖는 신규 유도체, 이의 제조방법 및 이를 유효성분으로 함유하는 약학적 조성물
Inventor: HAN CHEOL KYU
IPC: A61P3/04
Filed: 2011-05-17
Abstract: 본 발명은 11-베타-HSD1 효소의 억제활성을 갖는 신규 유도체, 이의 제조방법 및 이를 유효성분으로 함유하는 약학적 조성물에 관한 것으로, 본 발명에 따른 화합물은 11-베타-하이드록시스테로이드 데하이드로게나아제 타입 1(11β-HSD1)을 선택적으로 억제함으로 상기 11β-HSD1의 과활성에 의해 유발되는 질환, 예를 들면 인슐린 비의존성 타입 2 당뇨병, 인슐린 내성, 비만, 지질 장애, 대사 증후군, 및 과도한 글루코코르티코이드 작용에 의해 매개되는 질환 및 상태를 치료하기 위한 치료제로서 유용하게 사용할 수 있다.
Patent WO-2012047055-A2 (WO)
Title: 입체적 구조의 바이오센서 및 그 제조 방법
Inventor: LEE JIN WOO
IPC: G01N35/00
Filed: 2011-10-07
Abstract: 본 발명은 3D MID(molded interconnect devices) 기술로 입체적 구조를 갖도록 제조한 바이오센서 및 그 제조 방법에 관한 것으로, 3D MID 기술을 이용하여 중합체(polymer)의 표면 상에 반응 전극과 신호 전달부를 입체적 구조로 형성한 바이오센서 및 그 제조 방법을 제공한다.
Patent WO-2012064123-A2 (WO)
Title: 3dtv 서비스에서의 영상 압축 규격 결정 방법 및 장치
Inventor: KIM SUNG HOON
IPC: H04N7/24
Filed: 2011-11-10
Abstract: 3DTV 서비스에서의 영상 압축 규격 결정 방법 및 장치가 제공된다. 영상 압축규격 결정 방법은 고화질 영상을 부호화하여 채널 1을 통해 전송하고, 부호화된 저화질 영상의 해상도가 부호화된 고화질 영상 대비 기준값 이상에 해당하는 영상 압축 규격을 결정하고, 결정된 영상 압축 규격에 따라 저화질 영상을 부호화하여 채널 2를 통해 전송할 수 있다. 3DTV 서비스에서의 영상 압축 규격 결정 방법 및 장치가 제공된다. 영상 압축규격 결정 방법은 고화질 영상을 부호화하여 채널 1을 통해 전송하고, 부호화된 저화질 영상의 해상도가 부호화된 고화질 영상 대비 기준값 이상에 해당하는 영상 압축 규격을 결정하고, 결정된 영상 압축 규격에 따라 저화질 영상을 부호화하여 채널 2를 통해 전송할 수 있다.
Patent WO-2013048084-A2 (WO)
Title: 프로파일 관리 방법, 내장 ｕｉｃｃ 및 내장 ｕｉｃｃ 탑재 기기
Inventor: PARK JAEMIN
IPC: H04W4/70
Filed: 2012-09-25
Abstract: 본 발명은 내장 UICC 내 프로파일 관리 방법에 관한 것으로서, 더욱 상세하게는, 내장 UICC 내에 탑재되어 통신 및 부가 서비스를 제공하는데 필수적인 프로파일에 대한 관리 정보를 내장 UICC 외부로 제공할 수 있도록 해주는 내장 UICC 내 프로파일 방법과, 이를 위한 내장 UICC 및 내장 UICC 탑재 기기에 관한 것이다.
Patent WO-2016126026-A2 (WO)
Title: 당뇨병 치료 조성물 및 이의 용도
Inventor: JUNG HYE SEUNG
IPC: A61K31/405
Filed: 2016-01-21
Abstract: 본 발명은 저농도의 PERK(Eukaryotic translation initiation factor 2-alpha kinase 3) 저해제를 유효성분으로 함유하는, 당뇨병 치료용 약학적 조성물 및 이의 용도에 관한 것이다. 본 발명에 의하면, 고혈당 자극에 의한 췌장 베타세포 내 칼슘 및 인슐린을 증가시킴으로써 혈중 인슐린 농도를 높이고, 당뇨병을 치료할 수 있다.
Patent WO-2017160106-A2 (WO)
Title: 두타스테라이드 및 탐수로신 함유 경질 캡슐 복합제 및 그 제조방법
Inventor: LEE BENJAMIN JOON
IPC: A61K9/48
Filed: 2017-03-16
Abstract: 본 발명의 일 양상은 두타스테라이드 또는 이의 약학적으로 허용가능한 염을 포함하는 두타스테라이드 독립부 및 탐수로신 또는 이의 약학적으로 허용가능한 염을 포함하는 탐수로신 독립부를 분리된 상태로 포함하는 경질 캡슐 복합제로서, 상기 두타스테라이드 독립부는, 두타스테라이드, 오일 및 계면활성제로 구성되는 자가유화에멀젼을 함유하는 제제이며; 상기 탐수로신 독립부는 서방화 기제를 함유하는 고형제제이며; 상기 두타스테라이드 독립부와 탐수로신 독립부가 서로 분리된 상태로 포함되며 0 내지 3호 캡슐에 충전 가능한 경질 캡슐 복합제, 및 그 제조방법을 제공한다.
Patent WO-2021066479-A2 (WO)
Inventor: CHOE JUN-HO
IPC: A61B17/32
Filed: 2020-09-28
Abstract: The present invention relates to a magnetic induction-type surgical instrument. The surgical instrument comprises: a base electrode (11); a magnetic layer (12) formed on the base electrode (11); and a current induction pattern layer (13) for inducing a magnetic field in the magnetic layer (12).
Patent WO-2023085531-A2 (WO)
Title: Dispositif d'acquisition d'image couleur à l'aide de rayons x
Inventor: HWANG JEONG WOONG
IPC: A61B6/00
Filed: 2022-04-11
Abstract: La présente invention concerne un dispositif de capture d'une image couleur à l'aide de rayons X, le dispositif étant caractérisé en ce qu'il comprend : une unité de génération de rayons X qui génère des rayons X et émet ces derniers vers un objet ; une unité de détection de rayons X comprenant des premier à troisième scintillateurs qui détectent différentes bandes d'énergie de rayons X qui ont traversé l'objet et convertissent les rayons X en rayons visibles ; et une unité de génération d'image qui comprend des photodiodes correspondant aux rayons visibles respectifs convertis dans l'unité de détection de rayons X, et génère une image couleur.
Patent WO-2006031132-A2 (WO)
Title: Animaux pour la preservation d'acides gras n-3 hautement insatures
Inventor: GEIRINGER KARL THOMAS
Filed: 2005-09-13
Abstract: La présente invention a trait à des animaux comestibles pour la fourniture d'aliments pour humains riche en au moins un des acides gras de la série n-3 hautement insaturés (acides gras oméga 3 hautement insaturés) favorables à la santé sélectionnés et élevés de sorte qu'une plus grande proportion des acides gras de la série n-3 hautement insaturés soit préservée dans les tissus alimentaires des animaux et transférée dans les aliments pour humains. L'invention a également trait à la mise en évidence de l'héritabilité, des procédés pour l'identification phénotypique ou génotypique et la sélection d'animaux génétiquement adaptés pour cette fonction. Les animaux comprennent des mammifères et d'oiseaux d'élevage, des animaux d'eau de mer ou d'eau douce comprenant les poissons, les crustacées et les mollusques.
Patent WO-2008041873-A2 (WO)
Title: Poste de travail
Inventor: BURAK EDWARD JOHN
Filed: 2007-10-08
Abstract: L'invention porte sur un système de postes de travail (1) comprenant plusieurs bureaux, par exemple (3a), comportant chacun une aire de travail primaire (33) et au moins une partie en retrait, par exemple (34b), constituant une aire de travail annexe, par exemple (36b). Les parties en retrait (34b) de bureaux voisins (3a-3d) peuvent être disposées pour servir d'aire de travail commune (6a-6d) à plusieurs personnes.
Patent WO-2008007992-A2 (WO)
Title: Procédé de production de nanoparticules à base de phosphate de calcium de haute pureté et leurs utilisation
Inventor: BRITO LOPES JOSE CARLOS
Filed: 2007-07-16
Abstract: La présente invention concerne un procédé en continu de production de nanoparticules de phosphate de calcium dans un réacteur de mélangeur en réseau ou de mélangeur statique, alimenté par une solution de calcium, une solution de phosphore et une solution alcaline et, éventuellement, un solvant ou un agent de dispersion. Le procédé selon l'invention permet le contrôle de macromélange, qui est essentiel pour former des structures nanométriques, mais constitue également un facteur déterminant dans la pureté des cristaux, la cristallinité et la morphologie. Le schéma de distribution de réactifs au niveau de l'orifice d'admission du réacteur et dans le réacteur, réalisé en continu ou variant dans le temps, est également un facteur crucial pour programmer le pH du milieu de réactifs dans le réacteur. La suspension de nanoparticules sortant du réacteur peut être soumise à des traitements supplémentaires de vieillissement, ultrasonore, de séparation, de séchage et de broyage. Certains phosphates de calcium sont considérés comme biomatériaux, utilisés en tant que: additifs alimentaires et de suppléments nutritifs; des biociments et de revêtement d'implant métallique. Certaines applications les plus récentes comprennent leur utilisation pour réduire les rides par stimulation de la formation du tissu conjonctif.
Patent WO-2022075872-A2 (WO)
Title: Aparelhos e processos de reciclagem de cápsulas
Inventor: CAMPOS PAULA PEDRO JORGE
IPC: B30B1/04
Filed: 2021-10-08
Abstract: A presente invenção refere-se a aparelhos (1) e processos para reciclagem de materiais em cápsulas (2) de café ou substâncias similares, apresentando um envelope de cápsula rígido e/ou semirrígido em pelo menos um material de envelope (A) que confina uma substância edível (B), e adaptadas de modo que podem ser usadas na preparação de bebidas aromáticas. O aparelho (1) apresenta um envelope (3) que pode recolher o material de envelope (A) e a substância edível (B) e que pode ser manipulado entre uma posição de fecho (I) e de aberto (II), sendo que uma primeira parte de envelope (31) pode ser manipulada para compressão de cápsula (2) e para rotação desta relativamente a um eixo central (X1) de aparelho, de modo que é melhorada a fiabilidade de abertura da cápsula (2) e melhor separação dos conteúdos da mesma.
Patent WO-2006126915-A2 (WO)
Title: Screw pile and method for inserting it
Inventor: KOZLOVICH ARKADY VIKTOROVICH
Filed: 2006-05-19
Abstract: The invention relates to civil engineering, in particular to a method for inserting a screw pile and to a method for building a cut-and-cover tunnel using said screw pile. The inventive screw pile comprises a metal tube (1) provided with a spiral coiling (2) arranged thereon. A concrete head whose thickens ranges from 1/4 to 5 tube diameters is mounted on the pipe (1) and comprises metal rods whose length is equal to the head length. Said spiral coiling is embodied along the entire bore length in the form a spiral blade whose width is half to five times the diameter of the external concrete head. In the lower part of the pile, the spiral coiling is shaped in the form of a cone, wherein metal triangle stiffener ribs (5) are arranged along the entire helicoidal surface of the blade, the bases of the adjacent ribs are connected to each other and a applied to the concrete ahead, whereas the tops thereof (6) are arranged along the blade edge. The metal rod (7) is placed in the top (6) of each stiffener rib (5). The rods are interconnected by metal fittings (8) placed along the blade edge. Additional triangle stiffener ribs (9) are arranged in the spiral coiling in a perpendicular position with respect to the main stiffener ribs and are also connected to the tube by the bases thereof and to the tops of respective main stiffener ribs by the tops thereof. A unit for connecting to the hook (13) of a pile screwing device and an element for connecting the pile to the structure are mounted on the top part of the tube.
Patent WO-2009028999-A2 (WO)
Inventor: RAKUSHIN ALEXANDER STEPANOVICH
IPC: H04W12/06
Filed: 2008-08-15
Abstract: The invention provides technical conditions for building addressless data transmission networks and enables a network user to organise a private address space, thereby protecting against unauthorised information distribution. At the beginning, one or more messages about the person of an information receiving user are formed on the device of the information receiving user and are transmitted to a data transmission network. Information, containing a ready to receive signal, is received and put aside on the device of a user, which has a channel for communicating with the information receiving user. The messages and the feature of a channel, viawhich the information has been received, are recorded on an intermediate device. Afterwards, an information message, a message about the person of the information receiving user and a message about a region where said user is located are formed on the device of the information sending user and are transmitted to a network. The message about the region of the information receiving user is compared, on the intermediate device which has a channel for communicating with the device of the information sending user or with another intermediate device, with the earlier formed messages about said region. In the case of coincidence, the feature of a communication channel corresponding to the region, where said user is located is identified and the messages are transmitted via a communication channel having the identified feature. When the region, where the device of the information receiving user is located, coincides with the region where the intermediate device is located, the message about the person of the information receiving user received from the device of the information sending user is compared with the earlier received messages. When the compared messages coincide, the feature of the channel, via which the information, containing the ready to receive signal and the message about the person of the information receiving user, has been received, is determined. The messages formed on the device of the information sending user are transmitted to the device of the information receiving user.
Patent WO-2012067546-A2 (WO)
Title: Dispositif pour la production de suie contenant des fullerènes
Inventor: SEDOV ANATOLY IVANOVICH
IPC: C01B31/02
Filed: 2011-11-14
Abstract: Un dispositif pour la production de suie contenant des fullerènes comprend un réacteur à plasma cylindrique comprenant une chambre d'évacuation hermétique cylindrique horizontale (1), dans laquelle deux électrodes à tige en graphite (2, 3) sont situées le long de l'axe de la chambre; un système de circulation de gaz inerte (principalement de l'hélium) comprenant un compresseur de gaz (5) pour la création d'un écoulement de gaz inerte et son alimentation dans la chambre d'évacuation (1), un pipeline (6) pour le transport de gaz inerte ne contenant pas de suie, un pipeline (7) pour le retrait de gaz et de suie contenant des fullerènes et un moyen (8) permettant de piéger la suie contenant des fullerènes, par exemple sous la forme de trois cyclones (9, 10 et 11), une alimentation tangentielle en gaz inerte étant montée au niveau de l'entrée du système (4) de circulation de gaz inerte. Des électrodes (2, 3) sont installées de manière à permettre un mouvement alternatif axial. Un cylindre creux (12) et des couvercles d'extrémité (13, 14) composés d'un matériau hautement fondu sont également installés dans la chambre d'évacuation (1). Le cylindre (12) et le corps de la chambre comprennent des orifices destinés à l'alimentation en gaz inerte (15, 16) et la sortie (17) et les couvercles d'extrémité (13, 14) comprennent des trous (18, 19) destinés à l'alimentation desdites électrodes en graphite.