Abrégé

The present invention relates to a grate formed by coupling split ceramic blocks and, more specifically, to a grate formed by coupling split ceramic blocks, the grate comprising: a shaft coupling part including fitting grooves formed on opposite sides of one surface thereof; a plurality of ceramic blocks coupled to and being in contact with the one surface of the shaft coupling part so as to configure a main body of a grate; and a coupling frame having ends coupled to the fitting grooves in a state where the ceramic blocks are received in the coupling frame and thus coupling the ceramic blocks to the shaft coupling part. [Representative drawing] figure 3

Classes IPC  ?

• F23H 11/12 - Grilles mécaniques inclinées; Grilles mécaniques à gradins
• F23G 5/00 - Procédés ou appareils, p.ex. incinérateurs, spécialement adaptés à la combustion de déchets ou de combustibles pauvres

Abrégé

The present invention relates to a method for manufacturing a manifold insulator for a molten carbonate fuel cell, and a manifold insulator for a molten carbonate fuel cell, which is manufactured using same and has an intaglio part having a specular surface and, more specifically, to a method for manufacturing a manifold insulator for a molten carbonate fuel cell, and a manifold insulator for a molten carbonate fuel cell, which is manufactured using same and has an intaglio part having a specular surface, in which even the intaglio part formed on one surface of the insulator can be subjected to a grinding process to have a specular surface, so as to enable manufacturing of a manifold insulator for a molten carbonate fuel cell, which has an intaglio part having a specular surface, thereby preventing electrolyte from finely flowing from a fuel cell stack along the surface of an insulator to be short-circuited with a manifold.

Classes IPC  ?

• H01M 8/2485 - Dispositions pour le scellement des collecteurs d’admission externes; Dispositions pour le montage des collecteurs d’admission externes autour de l’empilement
• B24B 19/02 - Machines ou dispositifs conçus spécialement pour une opération particulière de meulage non couverte par d'autres groupes principaux pour meuler des gorges, p.ex. sur des arbres, dans des gaines, des tubes, des éléments de joint homocinétique
• B24B 57/02 - Dispositifs pour l'alimentation, l'application, le triage ou la récupération de produits de meulage, polissage ou rodage pour l'alimentation en produits de meulage, polissage ou rodage à l'état fluide, vaporisés, pulvérisés ou liquéfiés
• B24B 55/02 - Dispositifs de sécurité pour machines de meulage ou de polissage; Accessoires adaptés aux machines à meuler ou à polir pour maintenir les outils ou les parties de machines en bon état de marche Équipement pour refroidir les surfaces abrasives, p.ex. dispositifs d'alimentation en agent de refroidissement
• B24D 3/02 - Propriétés physiques des corps ou feuilles abrasives, p.ex. surfaces abrasives de nature particulière; Corps ou feuilles abrasives caractérisés par leurs constituants les constituants étant utilisés comme agglomérants
• H01B 19/00 - Appareils ou procédés spécialement adaptés à la fabrication d'isolateurs ou de corps isolants
• H01M 8/14 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Éléments à combustible; Leur fabrication Éléments à combustible avec électrolytes fondus

Abrégé

The present invention relates to an apparatus and a method for punching a film, the apparatus comprising: a conveyor for supporting and conveying, in one direction, a film which is a punching target punched by a metal embossing die; and a cutter for cutting the film conveyed by the conveyor, wherein the film is cut on the conveyor by the cutter. Therefore, the present invention enables efficient implementation of a series of processes of cutting a punching target, and separating and removing chips scattered when the punching target is punched or cut.

Classes IPC  ?

• B26D 1/04 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupant; Appareils ou machines à cet effet; Eléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant linéairement
• B26D 7/18 - Moyens d'enlèvement des matériaux découpés ou des chutes
• B26D 7/01 - Moyens pour maintenir ou mettre en position la pièce
• B26D 7/26 - Moyens de montage ou de réglage de l'outil de coupe; Moyens de réglage de la course de l'outil de coupe
• B26D 5/20 - Dispositions pour manœuvrer et commander les machines ou les dispositifs de coupe, découpage, poinçonnage, perforation ou séparation autrement que par coupe l'organe de coupe et d'avance de la pièce ayant une action conjuguée
• B26D 9/00 - Appareillages de coupe combinés avec des appareillages de poinçonnage ou de perforation, ou avec d'autres appareillages de coupe différents
• B65H 20/06 - Progression des bandes par un ruban de friction
• B65H 35/06 - Délivrance d'articles à partir de machines à découper ou à perforer linéairement; Appareils délivrant des articles ou des bandes, comportant des dispositifs pour couper ou perforer linéairement, p.ex. distributeurs de bande adhésive à partir de coupeuses ou de perforatrices transversales ou avec ces appareils à partir de découpeuses ou perforatrices à lames, p.ex. à lames de cisaillement, ou avec ces appareils
• B65H 39/16 - Assemblage de plusieurs bandes

Abrégé

The present invention relates to a manifold insulator comprising alumina particles in a first phase and zirconia particles in a second phase, wherein the zirconia particles are dispersed in the alumina particles, and the zirconia particles are located at the triple point of alumina grains. Compared with a conventional manifold insulator made of an alumina material, the manifold insulator of the present invention has an advantage of having remarkably excellent mechanical strength without a deterioration of dielectric breakdown strength.

Classes IPC  ?

• H01M 8/2485 - Dispositions pour le scellement des collecteurs d’admission externes; Dispositions pour le montage des collecteurs d’admission externes autour de l’empilement
• H01B 3/12 - Isolateurs ou corps isolants caractérisés par le matériau isolant; Emploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances inorganiques céramiques
• H01B 19/00 - Appareils ou procédés spécialement adaptés à la fabrication d'isolateurs ou de corps isolants
• H01M 8/14 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Éléments à combustible; Leur fabrication Éléments à combustible avec électrolytes fondus

Abrégé

The present invention relates to a blanking die and a method for manufacturing same, the method characterized by treating the other surface of a base plate, which has a blade and a machined groove formed on one surface thereof, and thus forming a chip discharge slot. Therefore, a blanking die can be manufactured in a short time by means of a relatively simple and easy work and thus the cost can be reduced as well.

Classes IPC  ?

• B23P 15/24 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe de matrices
• B23P 23/04 - Machines ou agencements de machines réalisant des combinaisons déterminées de différentes opérations d'usinage, non couverts par une seule autre sous-classe pour effectuer l'usinage ainsi que les autres opérations de travail du métal
• B26F 1/44 - Outils de coupe à cet effet; Matrices à cet effet
• C23F 3/00 - Brillantage des métaux par des moyens chimiques
• C23F 1/12 - Compositions gazeuses
• C23F 4/00 - Procédés pour enlever des matériaux métalliques des surfaces, non couverts par le groupe ou
• B24B 19/02 - Machines ou dispositifs conçus spécialement pour une opération particulière de meulage non couverte par d'autres groupes principaux pour meuler des gorges, p.ex. sur des arbres, dans des gaines, des tubes, des éléments de joint homocinétique

Abrégé

The present invention relates to a blanking mold and a method for manufacturing same, the blanking mold comprising: a base plate having a blade protruding on one surface; and a chip discharge guiding unit which comprises a first discharge slot, having a narrower width than the end part of the blade, and a second discharge slot, extending from the first discharge slot toward the other surface of the base plate and having a wider width than the first discharge slot, and forms a path through which chips being cut and removed from an object to be worked by means of the blade are stacked and discharged. Therefore, chips can smoothly be discharged by means of a relatively simple constitution.

Classes IPC  ?

• B26F 1/44 - Outils de coupe à cet effet; Matrices à cet effet
• B26D 7/18 - Moyens d'enlèvement des matériaux découpés ou des chutes
• B26F 1/40 - Découpage; Découpage à l'emporte-pièce utilisant une presse, p.ex. du type à pilon

Abrégé

The present invention relates to a blanking die and a method for manufacturing same, the method characterized by exposing and developing a PR layer formed on the other surface of a base plate, which has a blade and a machined groove formed on one surface thereof, and thus removing the PR layer corresponding to the machined groove formation position, and removing at a fixed thickness the other surface of the base plate from which the PR layer has been removed and thus forming a chip discharge slot. Therefore, a blanking die can be manufactured in a short time by means of a relatively simple and easy work and thus the cost can be reduced as well.

Classes IPC  ?

• B23P 15/24 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe de matrices
• B23P 23/04 - Machines ou agencements de machines réalisant des combinaisons déterminées de différentes opérations d'usinage, non couverts par une seule autre sous-classe pour effectuer l'usinage ainsi que les autres opérations de travail du métal
• B26F 1/44 - Outils de coupe à cet effet; Matrices à cet effet
• G03F 7/34 - Dépouillement selon l'image par transfert sélectif, p.ex. par arrachement
• G03F 7/32 - Compositions liquides à cet effet, p.ex. développateurs
• G03F 7/20 - Exposition; Appareillages à cet effet

Abrégé

The present invention relates to a method for preparing an NaA zeolite separation membrane. The method comprises: wet grinding and centrifuging NaA zeolite seed crystals; coating the seed crystals on the surface of a separation membrane support; adding an Al solution to a Si solution and stirring and aging to prepare a hydrothermal solution; and synthesizing a hydrothermal solution on the separation membrane support having the seed crystals attached thereto to grow the seed crystals, thereby capable of forming a uniform and dense zeolite separation membrane on the surface of the support. Accordingly, the present invention provides a plurality of NaA zeolite separation membranes having high selectivity and high transparency as a module and allows the same to be used with water, thereby eliminating the need for a separation membrane module having other properties and providing an effect of stably separating ethanol and water.

Classes IPC  ?

• B01D 71/02 - Matériaux inorganiques
• B01D 67/00 - Procédés spécialement adaptés à la fabrication de membranes semi-perméables destinées aux procédés ou aux appareils de séparation

Abrégé

The present invention relates to a β-alumina electrolyte for a sodium secondary battery, and a preparation method therefor and, more specifically, to: a β-alumina electrolyte for a sodium secondary battery, having dense particle precision, excellent strength and improved sodium ion conductivity by using a hot isostatic pressing method; and a preparation method therefor. The present invention prepares a sintered body by using the hot isostatic pressing method, thereby providing the β-alumina solid electrolyte forming a very dense structure having a high density, and thus the present invention can be utilized as a β-alumina solid electrolyte having more excellent physical properties.

Classes IPC  ?

• H01M 10/0562 - Matériaux solides
• H01M 10/054 - Accumulateurs à insertion ou intercalation de métaux autres que le lithium, p.ex. au magnésium ou à l'aluminium

Abrégé

The present invention relates to an embossing mold apparatus and a method for preparing a product by means of same. The method comprises the steps of: forming holes on a processed layer, which belongs in a processed film having an adhesive layer formed on the bottom side of the processed layer and comprising a release paper layer adhered to the bottom side of the processed layer, by means of a mold portion; forming an adhesion on the position which corresponds to the holes to be formed on the processed layer; laminating a chip removing release film with the processed layer; and separating the chip removing release film and the processed film from each other, wherein chips are removed by means of the chip removing release film. Therefore, defects can be prevented and a product can be mass produced quickly and efficiently by means of the simple structure.

Classes IPC  ?

• B26D 7/18 - Moyens d'enlèvement des matériaux découpés ou des chutes
• B26F 1/40 - Découpage; Découpage à l'emporte-pièce utilisant une presse, p.ex. du type à pilon
• B26F 1/44 - Outils de coupe à cet effet; Matrices à cet effet

Abrégé

The present invention relates to an embossing mold apparatus and a method for preparing a product by means of same. The method comprises the steps of: forming an adhesive on the position, on a chip removing release film, corresponding to holes to be formed on a processed film; laminating the chip removing film, on which the adhesive is formed, with the processed film; forming holes on the processed film by means of a mold portion; and separating the chip removing release film and the processed film from each other, wherein chips are removed by means of the adhesive formed on the chip removing release film. Therefore, defects can be prevented and a product can be mass produced quickly and efficiently by means of the simple structure.

Classes IPC  ?

• B26D 7/18 - Moyens d'enlèvement des matériaux découpés ou des chutes
• B26F 1/40 - Découpage; Découpage à l'emporte-pièce utilisant une presse, p.ex. du type à pilon
• B26F 1/44 - Outils de coupe à cet effet; Matrices à cet effet

Abrégé

The present invention relates to an ethanol dehydration system which has been developed in order to obtain higher purity ethanol using a single type of separation membrane, and not a separation membrane of a different nature, in the process of separating water from ethanol to obtain higher purity ethanol. An ethanol dehydration system for obtaining high purity ethanol by separating water by passing ethanol through a zeolite separation membrane which selectively transmits water comprises: an ethanol feeding pipe line which, when ethanol is supplied by means of a first pump from an ethanol supply tank which stores ethanol therein, allows the ethanol to be supplied by being branched into a plurality of paths, each branched path being provided with a first valve; a plurality of separation membrane modules in which a plurality of LTA zeolite separation membrane tubes are embedded in several bundles, and a pressure gauge capable of measuring the internal vacuum pressure of the LTA zeolite separation membrane tubes is formed, with one branched end of the ethanol feeding pipe line being connected to one side thereof, wherein the plurality of LTA zeolite separation membrane tubes are manufactured in a cylindrical shape by the following method: at least one of an aqueous alkali metal hydroxide solution and an aqueous alkaline earth metal hydroxide solution is added and mixed to an aqueous solution prepared by dissolving an alumina-based raw material, a silica-based raw material and sodium hydroxide dissolved in water, the mixture is aged to thereby obtain an hydrothermal solution, the hydrothermal solution is injected into an hydrothermal synthesizer, a porous support for growing a separation membrane is carried within the hydrothermal solution, and a hydrothermal treatment is performed whereby an ion-exchanged zeolite separation layer is formed on the surface of the support; a water discharge pipe line which is connected to the inside of the LTA zeolite separation membrane tubes in the direction opposite to the pressure gauge of the separation membrane modules and extended, and then the paths connected to the respective separation membrane modules are combined and connected; and an ethanol collection pipe line, the end of which is connected to the other side of the separation membrane modules connected to the ethanol feeding pipe line, and which is connected to the ethanol storage tank via a third valve after the paths connected to the respective membrane modules via a second valve are combined.

Classes IPC  ?

• B01D 61/00 - Procédés de séparation utilisant des membranes semi-perméables, p.ex. dialyse, osmose ou ultrafiltration; Appareils, accessoires ou opérations auxiliaires, spécialement adaptés à cet effet
• C07C 29/74 - Séparation; Purification; Stabilisation; Emploi d'additifs
• C07C 31/08 - Ethanol
• C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse

Abrégé

The present invention relates to a method for manufacturing a porous alumina tube. The method comprises: a first step for mixing alumina (Al2O3) and a binder at any one of 95:5wt%, 85:15wt%, or 90:10wt% to generate a powder; a second step for adding water to the powder generated in the first step to knead the powder, and vacuum-extruding the kneaded powder; a third step for drying the kneaded powder, which is vacuum-extruded in the second step, through a roller at room temperature for 24 hours; and a fourth step for calcining the composition, which is dried in the third step, at a temperature of 1400°C for 26 to 33.5 hours. The binder includes one composed of 67wt% of sodium carboxymethyl cellulose (CMC), 14wt% of polyvinyl alcohol (PVA), 13wt% of dextrin, 3wt% of oil, and 3wt% of a surfactant. Thus, the binder composed of CMC, MC, PVA, dextrin, oil (serving as a lubricant), and the surfactant is mixed with alumina to compose a filter and a hydrophilic separator through vacuum-extrusion under mild conditions, and thus the present invention can be applied to a dehydration process; is economical and efficient; and can mass-produce porous alumina tubes.

Classes IPC  ?

• C04B 35/10 - Produits céramiques mis en forme, caractérisés par leur composition; Compositions céramiques; Traitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base d'oxydes à base d'oxyde d'aluminium
• B01D 39/00 - Substance filtrante pour fluides liquides ou gazeux
• B01D 69/10 - Membranes sur support; Supports pour membranes

Abrégé

The present invention relates to an asymmetric embossing mold apparatus. An asymmetric embossing mold apparatus according to the present invention comprises: an object including a membrane or film to be delaminated; and an upper mold and a lower mold arranged on an upper side and a lower side of the object, respectively, wherein blades for removing the membrane or film formed on the object protrude in an embossed shape from the lower surface of the upper mold and the upper surface of the lower mold, and the blade has asymmetric opposite sides with reference to a vertical line with respect to the lower surface of the upper mold or the upper surface of the lower mold. By the above configuration, the asymmetric embossing mold apparatus according to the present invention can achieve an easy cutting of a workpiece during a cutting operation and also improve the lifespan of an embossing mold.

Classes IPC  ?

• B26F 1/38 - Découpage; Découpage à l'emporte-pièce
• B26F 1/44 - Outils de coupe à cet effet; Matrices à cet effet

Abrégé

The present invention relates to a system for separating and recycling perfluoro compounds, for treating gas containing dust, which is generated in a dry etching process and in exhaust gas generation equipment such as a CVD cleaning chamber and the like which uses or generates perfluoro compounds, the system comprising: an expansion pipe in which exhaust gas generated in at least one exhaust gas generation equipment flows, and the cross-sectional area of a pipe is expanded so as to be tapered, and a buffer tank extended to be long in a vertical direction below the expansion pipe; a horizontal distribution pipe of which one side is connected to the other side of the buffer tank in which the expansion pipe is formed; a plurality of membrane separation filters of which the lower ends are connected to the horizontal distribution pipe and which are extended to the vertical upper portion and provided so as to be spaced from one another at predetermined intervals; an impure gas discharge pipe collecting the impure gas, which does not pass through membrane separations at the plurality of membrane separation filters, and moving the collected impure gas to a re-treatment chamber; a first nitrogen gas recycle pipe in which a first vacuum pump is provided, and which re-separates nitrogen gas, which is sucked in by the first vacuum pump, by an auxiliary membrane separation filter, discharges impure gas to the impure gas discharge pipe, and moves the nitrogen gas so as to allow the nitrogen gas to be recycled; and a second nitrogen recycle pipe in which a second vacuum pump is provided, and which moves nitrogen gas of high purity, which is sucked in by the second vacuum pump, so as to allow the nitrogen gas to be recycled.

Classes IPC  ?

• B01D 53/68 - Halogènes ou composés halogénés
• F25J 1/00 - Procédés ou appareils de liquéfaction ou de solidification des gaz ou des mélanges gazeux
• B01D 61/00 - Procédés de séparation utilisant des membranes semi-perméables, p.ex. dialyse, osmose ou ultrafiltration; Appareils, accessoires ou opérations auxiliaires, spécialement adaptés à cet effet
• B01D 53/46 - Elimination des composants de structure définie

Abrégé

The present invention relates to a beta-alumina for a sodium secondary battery solid electrolyte. More specifically, beta-alumina according to the present invention comprises alumina; sodium oxide; alkali oxide being an oxide of one or more alkali elements selected from the group of alkali metals and the group of alkaline earth metals, excluding sodium; and ytterbium oxide.

Classes IPC  ?

• H01M 10/0562 - Matériaux solides
• C04B 35/113 - Céramiques fines à base d'oxyde d'aluminium bêta

Abrégé

An embossing mold according to the present invention comprises: a lower plate having a blade and an air passage hole formed therein, the blade having a predetermined pattern to process an object to be processed, the air passage hole allowing air to flow therethrough to suck and discharge chips cut by the blade; an upper plate located above the lower plate to form an air channel together with the lower plate, the air channel serving as a passage through which air flows to or from the air passage hole; and an ejector-pin that moves upward to open the air passage hole according to an intake of air into the air channel from the air passage hole and moves downward to push and discharge chips to the outside and simultaneously close the air passage hole according to discharge of air out of the air channel to the air passage hole.

Classes IPC  ?

• B26F 1/44 - Outils de coupe à cet effet; Matrices à cet effet
• B26D 7/18 - Moyens d'enlèvement des matériaux découpés ou des chutes

Abrégé

The present invention relates to a system for separating and reusing a perfluorocarbon compound, developed so as to effectively separate, discard or reuse a perfluorocarbon compound comprising sulfur hexafluoride, the perfluorocarbon compound being generated primarily during manufacturing of semiconductors. The system, for separating and reusing a perfluorocarbon compound, which handles gas comprising dust generated by discharge gas-emitting installations using or generating perfluorocarbons, such as a dry-etching process and a CVD cleansing chamber, comprises a first dry pump, a pre-processing filter, a membrane separation filter, a nitrogen reuse supply unit, a sulfur hexafluoride reuse supply unit, and a control unit, and thus facilitates separation and removal of a variety of gases and dust comprising perfluorocarbons generated by the electronics industry, and allows reuse of sulfur hexafluoride by separating same from the discharge gas and reprocessing same.

Classes IPC  ?

• B01D 53/68 - Halogènes ou composés halogénés
• B01D 53/02 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p.ex. chromatographie préparatoire en phase gazeuse
• B01D 53/78 - Procédés en phase liquide avec un contact gaz-liquide
• B01D 53/75 - Procédés multi-étapes

Abrégé

The present invention relates to a system for separating and reusing a perfluorocarbon compound, developed so as to effectively separate, discard or reuse a perfluorocarbon compound comprising sulfur hexafluoride, the perfluorocarbon compound being generated primarily during manufacturing of semiconductors. The system, for separating and reusing a perfluorocarbon compound, which handles gas comprising dust generated by discharge gas-emitting installations using or generating perfluorocarbons, such as a dry-etching process and a CVD cleansing chamber, comprises a first dry pump, a pre-processing filter, a membrane separation filter, a nitrogen reuse supply unit, a sulfur hexafluoride reuse supply unit, and a control unit, and thus facilitates separation and removal of a variety of gases and dust comprising perfluorocarbons generated by the electronics industry, and allows reuse of sulfur hexafluoride by separating same from the discharge gas and reprocessing same, thereby raising the effectiveness of discharge gas separation.

Classes IPC  ?

• B01D 53/68 - Halogènes ou composés halogénés
• B01D 53/02 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p.ex. chromatographie préparatoire en phase gazeuse
• B01D 53/78 - Procédés en phase liquide avec un contact gaz-liquide
• B01D 50/00 - Combinaisons de procédés ou de dispositifs pour la séparation de particules de gaz ou de vapeurs

Abrégé

The present invention relates to a mask, wherein a mask body comprises: a left upper contact hole unit which is combined with a left end of a cover unit, so that left upper contact holes are formed in the vertical direction of the cover unit; a left lower contact hole unit which is disposed on the lower side of the left upper contact hole unit, and is combined with the left end of the cover unit, so that a left string-pulling isolation space is formed in a gap between the left upper contact hole unit and the left lower contact hole unit and that left lower contact holes are formed in the vertical direction of the cover unit; a right upper contact hole unit which is combined with a right end of the cover unit, so that right upper contact holes are formed in the vertical direction of the cover unit; and a right lower contact hole unit which is disposed on the lower side of the right upper contact hole unit, and is combined with the right end of the cover unit, so that a right string-pulling isolation space is formed in a gap between the right upper contact hole unit and the right lower contact hole unit and that right lower contact holes are formed in the vertical direction of the cover unit. According to the present invention, a left string is combined with the mask body in such a manner that the left string passes through the left upper contact holes in the contacted state, is exposed to the left string-pulling isolation space, and passes through the left lower contact holes in the contacted state. Further, a right string is combined with the mask body in such a manner that the right string passes through the right upper contact holes in the contacted state, is exposed to the right string-pulling isolation space, and passes through the right lower contact holes in the contacted state.

Classes IPC  ?

• A62B 18/02 - Masques
• A62B 9/04 - Raccords; Carcasses