WO2020221615A1 - Procédé de coulée de pâte fibreuse pour la fabrication d'une pièce façonnée, outil de puisage et procédé pour fabriquer un outil de puisage - Google Patents

Procédé de coulée de pâte fibreuse pour la fabrication d'une pièce façonnée, outil de puisage et procédé pour fabriquer un outil de puisage Download PDF

Info

Publication number
WO2020221615A1
WO2020221615A1 PCT/EP2020/061001 EP2020061001W WO2020221615A1 WO 2020221615 A1 WO2020221615 A1 WO 2020221615A1 EP 2020061001 W EP2020061001 W EP 2020061001W WO 2020221615 A1 WO2020221615 A1 WO 2020221615A1
Authority
WO
WIPO (PCT)
Prior art keywords
tool
liquid
pulp
molded part
counter
Prior art date
Application number
PCT/EP2020/061001
Other languages
German (de)
English (en)
Inventor
Stefan Müller
Andreas Dür
Original Assignee
Flatz Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Flatz Gmbh filed Critical Flatz Gmbh
Publication of WO2020221615A1 publication Critical patent/WO2020221615A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J7/00—Manufacture of hollow articles from fibre suspensions or papier-mâché by deposition of fibres in or on a wire-net mould

Definitions

  • the present invention relates to a fiber casting process for the production of a molded part, wherein a scooping tool with a separating body is immersed in a pulp comprising liquid and fibers and, to form the molded part, the fibers from the pulp on a shaping outer surface of the
  • Liquid of the pulp is sucked through the separating body.
  • the invention also relates to a scooping tool for use in a fiber casting method and a method for producing such a tool
  • these separating bodies are made from a base body or carrier with through openings, with fine-meshed single or multi-layer metal nets being drawn over these through openings in the base body or carrier.
  • the fine-meshed single or multi-layer metal nets are attached to the base body or carrier by hand.
  • the metal nets are made from many segments and are spot-welded together
  • the shaping outer surface of the separator body then represents a negative shape for the desired molded part.
  • the object of the invention is therefore to improve the initially mentioned fiber casting process in such a way that the separator bodies and thus the
  • Scooping tools can be produced more easily and cheaply in order to make the fiber casting process accessible to a wider range of applications for the production of molded parts.
  • Separator body is a porous aluminum alloy body and the liquid is sucked through the pore space of the separator body.
  • the invention has the advantage that the production of a separator body from a porous aluminum alloy is relatively inexpensive by using a blank made from a corresponding porous aluminum alloy using methods known per se, e.g. Milling, grinding, drilling and sawing
  • Another advantage of the invention is that even relatively complex shaping outer surfaces of the separating body can be produced relatively inexpensively, which in practice significantly increases the variety that can actually be produced in the shape of the molded part. It can thus also relatively complex shaped molded parts can be produced inexpensively in a fiber casting process, since the costs of producing the separator body and thus the
  • the scooping tool are significantly lower than in the above-mentioned state of the Technology.
  • separation bodies which consist of a porous
  • Aluminum alloy bodies also have the advantage that they are designed to be very stable and have good thermal conductivity, which enables liquid to be separated out from the molded part relatively quickly, as will be explained in more detail below.
  • the design of the separator body as a porous aluminum alloy body also has the advantage that the liquid can be sucked through the pore space of the separator body very quickly and evenly over the entire shaping outer surface of the separator body. During this fluid suction of the liquid through the pore space of the porous separating body, the fibers of the pulp are deposited on the shaping outer surface and are thus deposited there, so that the desired molded part with the desired wall thickness gradually emerges from the deposited or deposited on the shaping outer surface of the separating body Forms fibers. Due to the possibility of one-piece or one-material design of the separator body, it is preferably very stable and therefore very easy to handle and clean. The separation body can essentially be produced purely by machine and without manual work.
  • the pulp can consist of a mixture of at least one liquid and fibers.
  • the fibers can e.g. consist of paper, cellulose and / or other fiber materials. They can be newly manufactured or obtained in a recycling process.
  • the pulp can be used as a liquid e.g. Comprise water or a mixture of water and chemicals and / or adhesives.
  • the liquid of the pulp can therefore only be a liquid, e.g. Water, but also a mixture of different liquids.
  • the proportion of fibers in the total volume of the pulp is advantageously between 0.4% and 5%.
  • the composition of the pulp can be adapted in each case to the desired application.
  • the shaping outer surface of the separator body is a negative shape which, during the deposition process, specifies the shape of the molded part at least on the side that rests against the shaping outer surface during the deposition process.
  • the thickness of the molded part formed on the shaping outer surface of the separator body in the fiber casting method according to the invention can be varied via the
  • Fluid volume can be adjusted.
  • the liquid is advantageously sucked through the pore space of the separating body with a negative pressure in the range from -0.1 to -0.85 bar, preferably from -0.1 to -0 , 6 bar, worked.
  • the fiber casting process provides that as much liquid as possible is withdrawn from the molded part immediately after it has been deposited on the separating body of the scooping tool.
  • the separator body together with the molded part deposited thereon is removed from the pulp and the
  • Removing liquid consists in that, after the fibers have been separated from the pulp on the shaping outer surface of the separating body, the
  • Separating body together with the molded part deposited thereon is removed from the pulp and a counter-tool body with a shaping outer surface of the counter-tool body for removing the liquid from the molded part on a side facing away from the separating body is pressed against the molded part deposited on the shaping outer surface of the separating body, the counter-tool body being a porous one Aluminum alloy body and the liquid in the liquid and / or vaporized state through the pore space of the Separator body and / or passes through the pore space of the counter-tool body and / or is sucked through.
  • the pressing of the counter tool body against the side of the molded part facing away from the separator body can take place at relatively high pressures due to the use of the porous aluminum body for the separator body and the counter tool body.
  • contact pressures of up to 30 N / cm 2 (Newtons per square centimeter) are conceivable and possible.
  • the molded part can, so to speak, be pressed out between the counter-tool body and the separator body.
  • the liquid is removed from the molded part by suctioning the liquid through the pore space of the
  • liquid is withdrawn from the molded part particularly effectively when the liquid is on the counter-tool body or its
  • preferred embodiments of the fiber casting process according to the invention provide that, during the pressing of the counter tool body with its shaping outer surface on the side of the molded part deposited on the shaping outer surface of the separating body facing away from the separating body, the shaping outer surface of the separating body and / or the shaping outer surface of the
  • Counter tool body is heated to a temperature in a range from 40 ° Celsius to 200 ° C or are.
  • Corresponding heating devices can be provided both in the counter-tool body and in the separator body. It can be electrical heating devices, for example. Due to the good thermal conductivity of the porous aluminum alloy of the separator body and / or the counter-tool body, the temperature generated is in any case transferred very well to the respective shaping outer surfaces of these bodies, so that the desired temperature ranges can be achieved with relatively little heating power. This makes it possible to evaporate the liquid still present in the molded part at least in part on the shaping outer surface of the counter-tool body and / or the separator body. The steam generated can very quickly through the pore space of the counter tool body and / or the
  • the separator body can pass through and / or be sucked through, without this resulting in a sudden evaporation in some cases
  • Fiber casting process relatively well dried or at least predried molded parts can be produced very quickly and inexpensively. This saves time and money compared to the state of the art.
  • Molded part can in principle be continued until the molded part has reached its final state.
  • the counter tool can be used with the counter tool body to remove the molded part from the separator body.
  • the counter tool or the counter tool body can therefore also be used in preferred variants
  • Transfer tool are used and are also referred to accordingly.
  • the molded part is sucked against the shaping outer surface of the counter-tool body by means of a corresponding negative pressure, so that the
  • Counter tool body can be removed together with the molded part from the separator body. Then the molded part with the
  • the further drying can in principle take place as known per se in the prior art, e.g. in a drying tunnel.
  • the molding can also be dried by placing the molding between two drying tools.
  • These drying tools can in turn be drying tool bodies in the form of porous ones
  • the invention also relates to a scooping tool for use in a fiber casting process for producing a molded part, the scooping tool having a separating body with a shaping outer surface for separating fibers from a pulp and a suction chamber with a
  • This scooping tool is according to the invention.
  • the separator body is a porous aluminum alloy body with an open pore space for sucking liquid through the open pore space.
  • Such scooping tools are preferred in the invention Fiber casting process used.
  • the separating bodies of such scooping tools have an open pore space. This means that the pores of the pore space are connected to one another via pore connection openings so that the liquid or the vapor can pass or be sucked through from pore to pore through the pore space and thus through the separating body.
  • the suction chamber of the scooping tool is conveniently located on the side of the separating body opposite the shaping outer surface.
  • the negative pressure required to suck the liquid through the separating body is built up in the suction chamber.
  • the suction device required for this can be integrated directly into the suction chamber or connected to the suction chamber via said connection. Pumps known per se but also all other suitable means with which a corresponding negative pressure can be built up can be used as suction devices.
  • the negative pressures generated by the suction device in the suction chamber are advantageously, as already explained above for the fiber casting process, in the range from -0.1 to -0.85 bar, preferably from -0.1 to -0.6 bar.
  • the separator body preferably has a relatively high one
  • Porosity This is preferably in the range from 50% to 65%.
  • the porosity of the separation body is the ratio of the volume of the pore space to the total volume of the separation body. It is also beneficial if the
  • Separator body has a relatively high specific inner surface. This is favorably in the range from 4000 m 2 / m 3 to 10000 m 2 / m 3 .
  • the specific inner surface is calculated from the inner surface in the separator body formed by the pore space divided by the total volume of the
  • the separator body has a
  • the permeability coefficient K is calculated in the unit m 2 from the following form of Darcy's law
  • Separation bodies can be passed through the pore space of the separation body large volume flows of liquid in a short time.
  • liquid in the vaporized state can also be easily transported or sucked through this pore space.
  • the pore space of the separator body is advantageously formed from a plurality of pores, the pores each being connected in a fluid-conducting manner via, preferably a plurality of, pore connection openings with the pores adjacent thereto.
  • Fluid-conducting means that both liquid and liquid vapor can be guided or sucked through the pore space.
  • the pores are advantageously larger than the pore connecting openings connecting them to one another.
  • the pore diameter of the pores is greater than the opening diameter of the pores leading into them
  • Pore communication openings is.
  • the pore diameter of at least 50% of the pores is preferably in the range from 200 miti (micrometers) to 1000 mhh. It is also favorable if the opening diameter of at least 50% of the
  • Pore connection openings each in the range of 25 mhh to 400 miti.
  • the pore diameter is the largest that can be measured in the respective pore
  • the opening diameter is one
  • Pore connection opening also the largest diameter measurable in this pore connection opening.
  • the pore diameter and the opening diameter of the pore connection opening can be measured, for example, in a section through the separator body or through the porous aluminum alloy body.
  • the counter-tool body and any drying tool body used also preferably consist of a porous aluminum alloy body through the pore space of which the liquid is sucked through, as well as in the vaporized state.
  • drying tool body are formed, have the same material and pore space properties as those above for the
  • the invention also relates to a method for producing a scooping tool according to the invention.
  • the separating body with its shaping outer surface is machined by removing material from a blank made of a porous aluminum alloy and then the suction chamber with its suction device or its connection for the suction device, preferably on the side opposite the shaping outer surface of the separating body, on Separation body is attached.
  • the material can be removed by methods known per se, such as milling, sawing, drilling, grinding and the like. This makes it possible to manufacture the separator body with its shaping outer surface very cost-effectively and quickly.
  • molded parts of complex shape are also provided.
  • the blank made of the porous aluminum alloy is advantageously produced in a casting process.
  • grains of salt which have been sieved out beforehand and are thus defined in terms of their dimensions, for example from sodium chloride or potassium chloride salt, are poured into a casting mold and compacted. Then the mold with the poured liquid aluminum alloy.
  • the individual salt grains which touch each other via various contact points, are washed around by the hot aluminum alloy melt when pouring, whereby the contact points of the salt grains do not come off. Due to the surface tension of the aluminum alloy melt, it forms a one at the sharp-edged contact points of the salt grains
  • Aluminum alloy body is produced, with which the blank is then completed and, as stated above, can be further processed.
  • the above-mentioned preferred properties of the pore space can be set and achieved in a targeted manner. Above all, this also ensures that the individual pores in the pore space are always connected to one another via several pore connecting openings. As a result, the good permeability of the pore space is maintained even if individual pore connection openings should be blocked.
  • AlSi 7 Mg for example, can be used as the aluminum alloy. Others too
  • Aluminum alloys are possible.
  • the melting point of this aluminum alloy should be well below the melting point of the salt.
  • the melting point of sodium chloride is around 800 ° C, that of potassium chloride around 770 ° C.
  • Separation body can be ensured that the liquid from the pulp is sucked exclusively through the separation body and not past it.
  • the counter tool and any drying tools used can be designed and manufactured in a manner analogous to the scooping tool.
  • FIG. 7 shows an exemplary, schematic representation of the pore space of a
  • FIGS. 1 to 6 each show schematic vertical sections.
  • Fig. 1 is a
  • a scooping tool 10 is shown above a plunge pool 19.
  • the pulp 3 which is a mixture of liquid and fibers.
  • the liquid can consist of water or a mixture of water and additives or chemicals.
  • the fibers can also consist of different materials and have a wide variety of sizes, as already explained at the beginning.
  • the scooping tool 10 according to the invention provided for use in the fiber casting process according to the invention has the separating body 2 with the shaping outer surface 4.
  • the shaping outer surface 4 is provided so that the fibers from the pulp 3 are deposited on it.
  • the separating body 2 of the scooping tool 10 is provided with a suction chamber 11
  • a suction device such as e.g. a pump may be provided.
  • the suction chamber 11 has at least one connection 12 to which a suction device, not shown here, e.g. via a hose or the like
  • the separator body 2 is
  • a porous aluminum alloy body with an open pore space 5 through which the liquid can be sucked is attached to the suction chamber 11 on the side opposite the outer surface 4, as is preferably provided.
  • the connection between the separator body 2 and the suction chamber 11 can be implemented in the most varied of ways known per se in the prior art. In the embodiment shown, the attachment of the
  • Fastening glasses 17 These can e.g. by screwing, welding,
  • a seal 18 shown schematically here can ensure that the liquid from the pulp 3 is sucked into the suction chamber 11 exclusively through the separation body 2 or its pore space 5.
  • Separation body 2 immersed in pulp 3.
  • the separating body 2 should generally be completely sunk into the pulp 3, that is to say not protrude from the pulp 3.
  • the liquid of the pulp 3 is sucked through the separating body 2 or its pore space 5.
  • Separation body 2 is by means of a suitable, not shown here
  • Suction device in the suction chamber 1 1 generates a corresponding negative pressure.
  • the suction device is not shown in FIG. 2 either. It can e.g. be a pump or the like connected to the connection 12 of the suction chamber 11 via a hose.
  • the amount of fibers deposited on the shaping outer surface 4 during this deposition process and thus the thickness of the molded part 1 that is created as a result As already explained at the beginning, the duration, the negative pressure in the suction chamber 11 and ultimately also the composition of the pulp 3, i.e. in particular the fiber content in the pulp 3, can be controlled so that the molded part 1 is created with the desired thickness.
  • the counter tool 20 has a counter tool body 6 with a
  • the counter-tool body 6 can be pressed with its shaping outer surface 7 on the side 8 facing away from the separator body 2 against the molded part 1 deposited on the shaping outer surface 4 of the separator body 2.
  • the counter-tool body 6 is, as already explained at the beginning, advantageously also a porous aluminum alloy body, so that the liquid from the molded part 1 can be sucked through the pore space 5 of the separating body 2 and additionally also through the pore space 9 of the counter-tool body 6.
  • the counter-tool body 6 can consist of a porous aluminum alloy body which has the same material and pore space properties as the separator body
  • the counter tool 20 has a suction chamber 11 in which the negative pressure required for sucking liquid through the counter tool body 6 can be built up.
  • a corresponding suction device such as a pump can be integrated into the suction chamber 11.
  • the suction chamber 11 of the counter-tool 20 can also have a connection 12 to which a suction device (not shown here) such as a pump, preferably via a
  • the counter tool body 6 is also a
  • Fastening glasses 17 attached to the suction chamber 11 of the counter-tool 20 with the interposition of a corresponding seal 18.
  • the fastening can in turn take place via appropriate screw connections, adhesives, welds, clamps or the like.
  • counter-tool body 6 is particularly well suited to transferring the heat generated by heating devices 21 to the shaping outer surface 7 of counter-tool body 6.
  • the counter-tool body 6 or its shaping body is expediently
  • Corresponding heating devices 21 can of course also be used in the
  • Separator body 2 be integrated. This heating or heaters can with appropriate
  • temperature setting can be achieved so that the liquid suddenly evaporates from the molded part 1 in the position shown in FIG.
  • the highly permeable pore space 9 of the opposing tool body 6, as well as the highly permeable pore space 5 of the separating body 2 allow the evaporated liquid to be sucked off or penetrating very quickly through the opposing tool body 6 and / or the separating body 2, so that the sudden vapor generated very quickly and without Damage to the surfaces of the molded part 1 can be removed from this.
  • the removal of the liquid from the molded part 1 by pressing and / or evaporation or suction can simultaneously e.g. in the operating position shown in FIG. 4, but also one after the other or individually.
  • Counter tool 20 can be used as a transfer tool for removing the molded part 1 from the separator body 2. This is shown schematically in FIG.
  • the molded part 1 is sucked onto the shaping outer surface 7 of the counter-tool body 6, while the suction process through the separator body 2 is ended.
  • the molded part 1 is then held on the counter-tool body 6 or its shaping outer surface 7 by means of negative pressure and can then be lifted off the separator body 2 together with the counter-tool 20 in the manner shown in FIG. 5 and to the subsequently desired location be transported.
  • This can e.g. can be used to transport the molded part 1 into a known drying tunnel, not shown here, in which the molded part 1 is fed to its final drying after being appropriately released from the counter-tool 20.
  • drying tools between which the molded part 1, as shown in FIG. 6, can be completely dried out.
  • These drying tools 22 and 23 can, if a certain amount of shrinkage also takes place when the molded part 1 dries out, also the shrinkage caused by shrinkage or already
  • the drying tools shown in FIG. 6 comprise an upper drying tool 22 and a lower drying tool 23.
  • the upper drying tool 22 has an upper drying tool body 24 and a suction chamber 11 attached to it.
  • the structure of the upper drying tool 22 can, as in this
  • the upper drying tool body 24 is also advantageously designed as a porous aluminum alloy body. He can do the same
  • the heating devices 21, preferably also electrically operated heating rods, are arranged in the upper drying tool body 24.
  • the upper drying tool body 24 is fastened to the suction chamber 11 by means of fastening glasses 17 and a seal 18.
  • the Suction chamber 11 can in turn be integrated with a suction device.
  • the connection 12 can also be provided to which the
  • Suction device z. B. can be connected via a line or a hose.
  • the lower drying tool 23 has a lower one
  • Drying tool body 25 This is also preferably a porous one
  • Aluminum alloy body which in turn particularly prefers the pore space and material properties such as the separator body 2 or the
  • Dry tool body 25 be attached, like the suction chamber 1 1 in
  • the embodiment shown is attached to the upper drying tool body 24.
  • In the lower drying tool body 25 are shown
  • Embodiment according to FIG. 6 heating devices 21.
  • the drying tools 22 and 23 shown in Fig. 6 make it possible in any case to dry the molded part 1 by pressing the drying tools 22 and 23 together and / or by heating the upper and / or lower drying tool body 24 or 25 to the extent desired in the end product .
  • the liquid or the steam emerging in the process can pass through the outer surfaces 27 and 28 of the upper drying tool body 24 and the lower
  • Drying tool body 24 and 25 are transported away. If a corresponding suction chamber 11 is present, this can be an active suction through the respective drying tool body 24 or 25 or a passing through if there is no active suction.
  • FIG. 7 shows, enlarged and schematized, a section through a porous aluminum alloy body, such as is used as a separator body 2 as a counter tool body 6 but also as an upper or lower drying tool body 24 or 25 can be.
  • the matrix material is shown in black in FIG. 7, that is to say the walls between the pores 13, which consist of the aluminum alloy.
  • the pores 13 and the pore connecting openings 14, which connect the pores 13 to one another in a fluid-conducting manner, are shown in white.
  • the shape and size of the pores is, as described above, when the blank of the
  • Aluminum alloy body predetermined by the size and packing density and the shape of the salt grains. After the salt has been washed out, the pores 13 remain, which are each connected to one another by a plurality of pore connecting openings 14.
  • the values of the porosity, the specific inner surface and / or the internal surface area already explained at the beginning are preferred
  • Pore connection openings 14 are preferably in those mentioned at the beginning
  • the pore structure which is generally irregularly pronounced, as shown in FIG. 7, is formed on the surface of the molded part 1.
  • a molded part 1 produced using a fiber casting method according to the invention or a scooping tool 10 according to the invention can be distinguished from another molded part which is produced according to the prior art using scooping tools with lattice-shaped separating bodies.
  • the regular lattice-like structure of the separator bodies according to the prior art is reproduced.
  • the invention and its preferred embodiments have various advantages.
  • a scooping tool is created which, on the one hand, can be manufactured very cheaply, but, on the other hand, also offers great freedom of design.
  • the separation body is due to the use of the porous
  • Aluminum alloy but also very stable, so it is also suitable for a quick
  • Predrying can be used directly after the deposition process, as was explained in detail with reference to FIGS. 3 and 4.
  • the risk that the pore space, which represents the transport path, is clogged is relatively low, since the pores are each connected to one another via several pore connection openings. Should cleaning be necessary, this is relatively inexpensive, e.g. by means of
  • the invention allows a very rapid pre-drying and drying process, so that overall time and energy can be saved when drying the molded part 1 compared to the prior art. All of this enables short cycle times and thus low process costs in the production of the molded parts 1, and thus a very favorable overall

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

L'invention concerne un procédé de coulée de pâte fibreuse pour la fabrication d'une pièce façonnée (1), un outil de puisage (10) présentant un corps de séparation (2) étant plongé dans une pâte (3), qui présente du liquide et des fibres, et, pour la formation de la pièce façonnée (1), les fibres étant séparées de la pâte (1) sur une surface externe de façonnage (4) du corps de séparation (2) de l'outil de puisage (10) en ce que le liquide de la pâte (3) est aspiré à travers le corps de séparation (2), le corps de séparation (2) étant un corps poreux en alliage d'aluminium et le liquide étant aspiré à travers l'espace poreux (5) du corps de séparation (2).
PCT/EP2020/061001 2019-05-02 2020-04-20 Procédé de coulée de pâte fibreuse pour la fabrication d'une pièce façonnée, outil de puisage et procédé pour fabriquer un outil de puisage WO2020221615A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA155/2019A AT522488A1 (de) 2019-05-02 2019-05-02 Fasergussverfahren zur Herstellung eines Formteils
ATA155/2019 2019-05-02

Publications (1)

Publication Number Publication Date
WO2020221615A1 true WO2020221615A1 (fr) 2020-11-05

Family

ID=70470985

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/061001 WO2020221615A1 (fr) 2019-05-02 2020-04-20 Procédé de coulée de pâte fibreuse pour la fabrication d'une pièce façonnée, outil de puisage et procédé pour fabriquer un outil de puisage

Country Status (2)

Country Link
AT (1) AT522488A1 (fr)
WO (1) WO2020221615A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022101093U1 (de) 2022-02-25 2022-03-04 Varta Microbattery Gmbh Verpackung für eine Mehrzahl von elektrochemischen Energiespeicherzellen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016101976A1 (fr) * 2014-12-22 2016-06-30 Celwise Ab Outil ou partie d'outil, système comprenant un tel outil ou une telle partie d'outil, procédé de production d'un tel outil ou d'une telle partie d'outil, et procédé de moulage de produit à partir de pâte liquide
DE102017214473A1 (de) * 2017-08-18 2019-02-21 Sig Technology Ag Ein Verfahren zum Herstellen eines Behälters aus einer Zusammensetzung, beinhaltend eine Flüssigkeit und eine Vielzahl von Partikeln, insbesondere unter Einhaltung einer maximalen Geschwindigkeit der Zusammensetzung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2836801B2 (ja) * 1992-03-06 1998-12-14 日本碍子株式会社 繊維成形物の抄造型、抄造方法及び抄造装置、並びに抄造された繊維成形物
US6083447A (en) * 1997-06-17 2000-07-04 Cin-Made Packaging Group, Inc. Method for molding articles from a fibrous slurry
WO2012033449A1 (fr) * 2010-09-07 2012-03-15 Pakit International Trading Company Inc. Agencement de moule pour pâte
US10300762B2 (en) * 2016-04-20 2019-05-28 Toledo Molding & Die, Inc. Method of making an acoustic automotive HVAC and AIS duct with a particle fiber slurry

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016101976A1 (fr) * 2014-12-22 2016-06-30 Celwise Ab Outil ou partie d'outil, système comprenant un tel outil ou une telle partie d'outil, procédé de production d'un tel outil ou d'une telle partie d'outil, et procédé de moulage de produit à partir de pâte liquide
DE102017214473A1 (de) * 2017-08-18 2019-02-21 Sig Technology Ag Ein Verfahren zum Herstellen eines Behälters aus einer Zusammensetzung, beinhaltend eine Flüssigkeit und eine Vielzahl von Partikeln, insbesondere unter Einhaltung einer maximalen Geschwindigkeit der Zusammensetzung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022101093U1 (de) 2022-02-25 2022-03-04 Varta Microbattery Gmbh Verpackung für eine Mehrzahl von elektrochemischen Energiespeicherzellen

Also Published As

Publication number Publication date
AT522488A1 (de) 2020-11-15

Similar Documents

Publication Publication Date Title
EP3083207B1 (fr) Procédé d'impression 3d à étape de séchage rapide
DE2902347C2 (fr)
DE3850792T2 (de) Verfahren und Vorrichtung zum Filtrieren.
DE2258461A1 (de) Giessverfahren
DE2820057A1 (de) Filterelement
DE3741002A1 (de) Form und verfahren zur herstellung eines formkoerpers
WO2011080289A1 (fr) Procédé d'infusion et structure pour la mise en oeuvre d'un procédé d'infusion
DE69319483T2 (de) Verfahren und Vorrichtung zum Herstellen von Gefässen zum Heizen von Materialien
WO2020221615A1 (fr) Procédé de coulée de pâte fibreuse pour la fabrication d'une pièce façonnée, outil de puisage et procédé pour fabriquer un outil de puisage
DE3628066A1 (de) Giessduese und verfahren zur herstellung einer giessduese
DE2118116A1 (de) Verfahren zur Herstellung von rohr- bzw. schlauchförmigen Membranen für die umgekehrte Osmose und nach diesem Verfahren hergestellte Einrichtung
DE102005036907A1 (de) Druckgussform zur Herstellung von Geschirrteilen
DE102011107043A1 (de) Filtervorrichtung und -Verfahren
DE2256980A1 (de) Verfahren und vorrichtung zum filtrieren und zur weiterbehandlung des filterkuchens
DE69706972T2 (de) Schlickergiessverfahren
DE2106077C3 (de) Röhrenfilterpresse
DE1157425B (de) Vorrichtung zum Abfuellen des Bruches und zum Pressen von Kaese nach dem Emmentaler-Typ
DE2548185A1 (de) Verfahren zum entfernen von ueberschuessigem fluessigem impraegniermittel aus einer relativ dicken fasermatte
DE1933455A1 (de) Zellenartiger,starrer,dreidimensionaler Koerper,sein Herstellungsverfahren und Werkzeuge fuer elektrolytische Bearbeitung
AT405915B (de) Verfahren zum herstellen von metall-matrix-verbundwerkstoffen und vorformhalter für dessen durchführung
DE3726022A1 (de) Verfahren zur herstellung von ein- oder mehrwandigen koerpern
DE358104C (de) Verfahren und Vorrichtung zur Auskleidung von Roehren
DE1906664C (de) Verfahren und Vorrichtung zum Her stellen von Formkorpern zum Auskleiden von Kokillen
DE102021132136A1 (de) Verfahren und Vorrichtung zur Herstellung keramischer Faserkomposite mit variabler Geometrie
DE649558C (de) Vorrichtung zum Herstellen von geformten Dichtungskoerpern

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20722238

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20722238

Country of ref document: EP

Kind code of ref document: A1