EP4493753A1 - Systeme d'aiguilletage pour la fabrication d'une preforme textile - Google Patents
Systeme d'aiguilletage pour la fabrication d'une preforme textileInfo
- Publication number
- EP4493753A1 EP4493753A1 EP23713709.6A EP23713709A EP4493753A1 EP 4493753 A1 EP4493753 A1 EP 4493753A1 EP 23713709 A EP23713709 A EP 23713709A EP 4493753 A1 EP4493753 A1 EP 4493753A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- needling
- textile
- preform
- head
- needling head
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
- D04H18/02—Needling machines with needles
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/02—Reinforcing materials; Prepregs
Definitions
- the present invention relates to the manufacture of textile preform by needling, and more particularly a needling system for the manufacture of a textile preform.
- Textile preforms form the reinforcement of composite materials with an organic or ceramic matrix. They form a reinforcement for the material taking up most of the mechanical forces, which is reinforced and protected by the organic or ceramic matrix of the composite material.
- needling consists of superimposing textile plies and linking these plies together by needling.
- needling consists of linking the plies together by transferring fibers from one ply to another in the Z direction, that is to say along the thickness of the preform, thus creating connections mechanical between the folds in this direction.
- Current needling systems thus make it possible to produce axisymmetric preforms or preforms whose geometry is open.
- the current needling means are programmed to follow a certain trajectory so as to needle the preform according to certain criteria, such as for example the fiber density in Z.
- the current programs are specific to the machine used, and cannot be used on a other.
- they can follow an axisymmetric profile based on an adaptive mode, which allows the position of the machine to be corrected according to the excess thickness encountered during needling.
- certain preforms such as atmospheric re-entry thermal protection preforms, can have a spherical cap shape (non-opening geometry) or a non-axisymmetric geometry and current needling means are not adapted to this type of geometry. .
- the present invention relates to a needling system for producing a textile preform comprising:
- a robotic arm movable in several degrees of freedom, carrying the needling head and configured so as to move the needling head along predetermined trajectories and orientations;
- a device for feeding a textile strip mounted on the needling head and configured to place the textile strip on a support and cut it
- control unit configured to control the robotic arm, the actuation of the needling head and the deposition of the textile strip according to a predefined program for the production of the textile preform.
- the invention thus provides a modular needling head because, thanks to the robotic arm, it can adapt to complex preform geometries.
- the system needling of the invention therefore makes it possible to manufacture preforms with non-opening geometry, such as a spherical cap, or non-axisymmetric geometries.
- the needling system of the invention also makes it possible to configure custom textile strip trajectories, without trajectory limitation.
- the presence of the device for feeding a textile strip on the needling head makes it possible to envisage depositing a strip and its needling on the strips previously deposited simultaneously with a single system.
- This makes it possible to lay the textile strips in various directions in thin or thick thickness, and also to automate the placement of the strips thanks to the robotic arm and the control unit.
- This also makes it possible to do without fixing additives between the strips or other elements which could pollute the strips forming the preform and which could disrupt the fiber/matrix connections during densification of the needled preform, because maintaining the strips together is carried out during needling by the partial transfer in the transverse direction of the fibers coming from the deposited strips.
- the invention is a mechanical binding of the textile strips and not a chemical one, unlike the processes of the prior art making it possible to deposit and maintain the textile strips and/or the threads (such as Automatic Tape Laying (ATL) and Automatic Fiber Placement (AFP) technologies.
- ATL Automatic Tape Laying
- AFP Automatic Fiber Placement
- the device for feeding a textile strip comprises a regulation system, for example a braking system, configured to adjust the tension of the textile strip when it is deposited on the support in operation. of a given instruction, or according to a particular point of the trajectory.
- a regulation system for example a braking system
- the device for feeding a textile strip comprises a system for guiding the textile strip.
- the system for guiding the textile strip comprises adjustable detour rollers according to at least one spherical three-dimensional reference.
- the device for feeding a textile strip comprises a lateral position regulation system.
- Another object of the invention relates to a method of manufacturing a textile preform by needling implemented by the needling system of the invention on support tooling whose shape corresponds to that of the textile preform to be produced, the method comprising the deposit and needling of a textile strip on the support tooling.
- This process allows the textile strip to be directly needled to the shape of the final preform.
- the support tooling has a non-axisymmetric and/or non-opening shape.
- the textile strip is deposited and needled on the support tooling without trajectory limitation.
- the needling head forms an angle of between -85° and 85° relative to the direction perpendicular to the tangent plane of the support tooling during all or part of the deposition and the needling of the textile strip.
- the present invention also relates to a method for determining a program for moving and orienting a needling head for producing a textile preform by needling a textile strip on support tooling, comprising at least :
- the crossing points and the orientation of the needling head are determined before starting needling taking into account the complexity of the geometry of the preform to be produced, the density and the orientation of the fibers in Z while ensuring that the support tooling and the preform do not collide with the needling head.
- This program is therefore not linked to a particular machine and can be adapted to all machines and desired preform shapes. It thus makes it possible to versatilely manufacture textile preforms by needling according to the needs and the desired thermostructural properties, such as for example the density of fibers in Z and the orientation of the fibers in Z.
- the number of crossing points is adapted to reduce calculation times and the program itself. For example, if an area has a small local radius of curvature, the number of crossing points will be greater in this area than another area with a larger radius of curvature.
- the determination of the triplets of coordinates of the crossing points of the needling head and the angular orientation of the head can result from one or more several calculations, or certain parameters (coordinate or angle) can be predefined in advance.
- the determination of the triplets of coordinates of the crossing points of the needling head can also be carried out depending on the width of the textile strip and its possible overlap.
- the determination of the angular orientation of the needling head can be carried out relative to the normal to the local geometry.
- the support tooling rotates around an axis of rotation and the method comprises a mathematical projection of the passage points determined on a fixed or mobile reference plane relative to the tooling support and comprising the axis of rotation of the support tooling.
- the method further comprises determining a local movement speed of the needling head as a function of the rate of fibers in Z in the associated zone of the preform to be produced and a rotation of the support tooling.
- the method further comprises producing a mesh of the geometry of the textile preform to be produced, the determination of all the triplets of coordinates (x, y, z) being carried out on this mesh.
- the mesh allows a more precise mathematical use of the geometry of the preform to then be able to apply all the operations of determining the crossing points and the angular orientation of the head, but also of discretize the number of crossing points according to the geometric complexity of the preform to be produced.
- the support tooling has a non-axisymmetric and/or non-opening shape.
- Another object of the invention is a method of manufacturing a textile preform by needling comprising the determination of a program of movement and orientation of a needling head according to the invention and the manufacture by needling of the textile preform on support tools, the shape of which corresponds to that of the textile preform to be produced, using a needling head programmed according to the determined program.
- Figure 1 represents, schematically and partially, a needling system according to one embodiment of the invention.
- Figure 2 represents, partially, a needling head being deposited and needling according to one embodiment of the invention.
- Figure 3 represents, schematically and partially, the needling head of Figure 2, in particular the orientation of the needles relative to the deposited strip.
- Figure 4 represents a flowchart of the method for determining a movement and orientation program for a needling head according to one embodiment of the invention.
- Figure 5A represents, schematically and partially, step 409 of the method described in Figure 4.
- Figure 5B represents, schematically and partially, step 410 of the method described in Figure 4.
- Figure 5C represents, schematically and partially, step 420 of the method described in Figure 4.
- Figure 5D represents, schematically and partially, step 421 of the method described in Figure 4.
- Figure 6 represents a flowchart of the process for manufacturing a textile preform by needling according to one embodiment of the invention.
- Figure 1 represents, schematically and partially, a needling system 100 according to one embodiment of the invention making it possible to produce a textile preform.
- the system 100 comprises a needling head 110 on which is mounted a device 130 for feeding a textile strip, a robotic arm 120 movable in several degrees of freedom and carrying the needling head 110 and a control unit 140 .
- the robotic arm 120 is configured to move the needling head 110 along predetermined trajectories and orientations.
- the feeding device 130 is configured to deposit the textile strip on a support and cut the deposited strip.
- the control unit 140 is configured to control the robotic arm 120, the actuation of the needling head 110 and the deposition of the textile strip according to a predefined program for producing the textile preform.
- Figure 2 represents, partially, a needling head 210 carrying a device 230 for feeding a textile strip 233 according to one embodiment of the invention during the manufacture of a textile preform, in particular when of the deposition and needling of a textile strip 234 on a support tool 250.
- Figure 3 represents a schematic view of Figure 2, in particular the orientation of the needles of the needling head relative to the deposited strip, the references used for these two figures representing the same objects.
- the device 230 for feeding a textile strip 233 comprises a cassette support 232 and a cassette 231 containing the textile strip 233 and placed on the cassette support 232.
- the cassette 231 has a width corresponding substantially to the width of the strip textile 233 wound on cassette 231.
- the textile strip 233 is for example a strip or a sheet of threads whose properties are useful as fibrous reinforcement in the preform composing a composite material, for example a thread or a set of threads, a fabric, a non-woven textile. multidirectional (or “Non Crimp Fabric, NCF”), a braid, or even a non-woven veil.
- the needling head 210 comprises a plurality of needles 211 mounted on a needle board which make it possible to needle the textile strip 234 which has just been deposited on the support tooling 250.
- This textile strip 234 is thus needled with the strips 235 previously deposited in order to produce the textile preform.
- the deposition and needling takes place on the support tooling 250 which has a shape corresponding to that of the preform to be produced.
- the support tooling 250 has a non-axisymmetric shape.
- the support tooling 250 can also be mobile, for example rotating around an axis, in order to facilitate the movements of the robotic arm and the needling head 210.
- the needling head 210 also includes a stripper 212 comprising a plate having a plurality of perforations.
- the plate has an internal face and an external face, the external face being present on the side of the support tooling 250.
- the needle board faces the internal face of the stripper and the needles 211 are aligned with the perforations present on the stripper plate 212.
- the needles 211 pass alternately from a retracted position in which they do not protrude from the external surface of the stripper plate 212 to an extended position in which they protrude from the external face of the plate in order to penetrate the textile strip 234.
- the feeding device 230 of a textile strip 233 is fixed to the needling head 210 transversely to the perforated plate of the stripper 212 intended to be crossed by the needles 211.
- the device 230 for feeding a textile strip 233 may comprise a guiding system 270 for the textile strip and/or a braking system which makes it possible to adjust the tension of the strip 234 when it is deposited.
- the guiding system 270 can be fixed on the surface of the stripper 212 or on the needling head 210, ideally as close as possible to the surface of the stripper 210, carrying the feeding device 230.
- the textile belt guiding system can be provided with detour rollers 271 adjustable according to a three-dimensional reference, in particular in a spherical reference.
- These rollers 271 are for example adjustable in translation according to the direction of the width of the strip 234 and adjustable in rotation along two axes making it possible to adjust the angle of the strip 234 relative to the support tooling 250.
- These detour rollers 271 make it possible to guide the strip 234 from the cassette 231 to the deposition surface of the support tooling 250.
- the width of these rollers 271 can be adapted to the width of the strip 234.
- the device for feeding a textile strip can be configured to store a textile strip with a width of between 5 mm and 500 mm, preferably between 5 mm and 200 mm.
- the needling head can be configured for different widths of needle board (support carrying the plurality of needles) and/or for different widths of stripper, for example so as to be able to needle strips textiles with a width between 5 mm and 500 mm, preferably textile strips with a width between 5 mm and 200 mm.
- the needle board and the stripper can also be removable from the needling head in order to adapt them to the geometry of the preform to be produced and/or to the widths of the needled textile strips.
- the needling head in particular the needles, forms an angle a (shown in Figure 3) variable with respect to a perpendicular axis 270 to the tangent plane 260 of the support tooling 250 during all or part of the deposition and needling of the textile strip, for example this angle is between -85° and 85°, preferably between -30° and 30°. More generally, the needling head is adjustable in all directions around this perpendicular axis 270. This makes it possible to needle the textile strips in different orientations, for example at an angle or at an angle to transfer fibers in a certain orientation for confer certain thermomechanical and/or abrasion resistance properties to the final part.
- the needling head can be programmed to move and orient itself, thanks to the robotic arm, around the support tooling to deposit and needle the textile strip.
- the program for moving and orienting the needling head thus includes the passage points and the angular orientation of the needling head around the support tooling.
- the crossing points can be determined according to the positions of the Z fibers in the textile preform to be produced, its local radius of curvature and a minimum distance to be respected between the needling head and the support tooling or the preform to avoid damaging the preform.
- the angular orientation of the needling head can be determined for each passing point as a function of the angular orientation of the Z fibers in the preform to be produced.
- the crossing points can be expressed in terms of distance between the needling head and support tooling. To do this, the crossing points can be projected into a fixed reference plane relative to the support tooling, and thus program the head according to the distance between the needling head and the support tooling.
- the stripper can apply pressure on the strip so as to hold it in place when the needles come out.
- Figure 4 represents a flowchart of the method 400 for determining a movement and orientation program of a needling head according to one embodiment of the invention
- Figures 5A, 5B, 5C and 5D represent the different stages of this same process. The process is thus described with reference to Figures 4, 5A, 5B, 5C and 5D.
- the method 400 is a method for determining a movement and orientation program of a needling head 530 for producing a textile preform 500 by needling a textile strip on a support tool 505.
- This method 400 comprises the determination 410 of a set of triplets of coordinates (x, y, z), (xl, yl, zl), (x2, y2, z2), (x3, y3, z3) of the crossing points 520 , 521, 522, 523 of the needling head 530.
- x, y, z coordinates
- x2, y2, z2 x3, y3, z3
- the crossing points 521, 522, 523 are determined as a function of the positions of the fibers along the axes X, Y, Z, in particular along the axis Z in the textile preform to be produced 500, the local geometry of the preform 500, for example its local radius of curvature, and the minimum distance d m in.
- This minimum distance d m in is a distance making it possible to avoid a collision between the needling head 530 and the preform 500 being produced or support tooling 505.
- the minimum distance d m in is predetermined by the user. This step 410 is shown in Figure 5B.
- the number of crossing points 520, 521, 522, 523 may depend on the complexity of the preform to be produced 500. For example, if the preform is of complex shape (for example, a non-axisymmetric shape), the number of points passage will generally be greater than a preform of simple shape (for example, an axisymmetric shape).
- the method 400 comprises the determination 420 of the angular orientation of the needling head 530 for each passage point 520, 521, 522, 523 determined in step 410 as a function of the angular orientation of the fibers in Z in the textile preform to be produced 500.
- This step 420 is shown in Figure 5C.
- the method 400 can also include a step 409 of producing a mesh 510 of the geometry of the textile preform to be produced 500.
- the determination 410 of all the triplets of coordinates (x, y, z) of the crossing points is thus carried out on this mesh 510.
- This step 409 is shown in Figure 5A. This makes it possible to simplify the geometry of the preform 500 and to more easily determine the crossing points 520.
- the method 400 can also include a step 421 of projecting the crossing points 520 determined in step 410 into a reference plane 540 fixed or mobile relative to to the support tooling 505 and comprising the axis of rotation 580 of the support tooling 505.
- the reference plane 540 can for example be the plane (YZ) or the plane (XY) or even the plane ( ⁇ ) . This allows us to determine the polar coordinates (r, 0, z) of the crossing points 520.
- This step 421 is shown in Figure 5D.
- the method 400 may also include the determination of a local movement speed of the needling head 530 as a function of the rate of fibers in Z in the associated zone of the preform to be produced 500 as a function of a possible movement of the support tooling 505. For example, if the support tooling 505 is rotating during needling, depending on the radius of curvature of the geometry of the preform to be produced 500, it may be interesting to vary the speed of movement of the needling head 530 between the crossing points 520 along this radius of curvature to best adapt the fiber rate of Z.
- Figure 6 represents a flowchart of the process 600 for manufacturing a textile preform by needling according to one embodiment of the invention.
- the method 600 firstly comprises the determination 610 of a program for moving and orienting a needling head according to the invention, therefore for example according to the method described previously, then the manufacturing 620 by needling of the preform textile on support tools.
- the support tooling has the same shape as the internal surface of the preform to be produced. Needling is carried out using a needling head programmed according to the program determined in step 601.
- a needling system used for manufacturing is for example a system comprising:
- a robotic arm movable in several degrees of freedom, carrying the needling head and configured so as to move the needling head following trajectories and orientations predetermined in the movement and orientation program;
- a device for feeding a textile strip mounted on the needling head and configured to deposit the textile strip on a support tool and cut it and - a control unit configured to control the robotic arm, the actuation of the needling head and the deposition of the textile strip according to the movement and orientation program of the head.
- the support tooling used to determine the movement and orientation program of the needling head and for the manufacture of the textile preform may have a non-axisymmetric and/or non-opening shape. This makes it possible to produce a preform with a non-axisymmetric and/or non-opening shape, which can, for example, thus form a thermal protection preform for atmospheric re-entry.
- the support tooling can also rotate, in both directions around an axis of rotation, during needling, in order to facilitate the movement of the robotic arm.
- the control unit can, in this case, control the rotation of the support tooling. For example, it can control the axis of rotation and/or the speed of rotation of the support tooling.
- the expression “between ... and ...” must be understood as including the limits.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24216051.3A EP4534747B1 (fr) | 2022-03-14 | 2023-03-08 | Système d'aiguilletage pour la fabrication d'une préforme textile |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2202207A FR3133395B1 (fr) | 2022-03-14 | 2022-03-14 | Procédé de détermination d’un programme de déplacement et d’orientation d’une tête d’aiguilletage |
| FR2202206A FR3133396B1 (fr) | 2022-03-14 | 2022-03-14 | Système d’aiguilletage pour la fabrication d’une préforme textile |
| PCT/FR2023/050307 WO2023175255A1 (fr) | 2022-03-14 | 2023-03-08 | Systeme d'aiguilletage pour la fabrication d'une preforme textile |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24216051.3A Division EP4534747B1 (fr) | 2022-03-14 | 2023-03-08 | Système d'aiguilletage pour la fabrication d'une préforme textile |
| EP24216051.3A Division-Into EP4534747B1 (fr) | 2022-03-14 | 2023-03-08 | Système d'aiguilletage pour la fabrication d'une préforme textile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4493753A1 true EP4493753A1 (fr) | 2025-01-22 |
| EP4493753B1 EP4493753B1 (fr) | 2026-05-06 |
Family
ID=85775913
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24216051.3A Active EP4534747B1 (fr) | 2022-03-14 | 2023-03-08 | Système d'aiguilletage pour la fabrication d'une préforme textile |
| EP23713709.6A Active EP4493753B1 (fr) | 2022-03-14 | 2023-03-08 | Systeme d'aiguilletage pour la fabrication d'une preforme textile |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24216051.3A Active EP4534747B1 (fr) | 2022-03-14 | 2023-03-08 | Système d'aiguilletage pour la fabrication d'une préforme textile |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12270133B1 (fr) |
| EP (2) | EP4534747B1 (fr) |
| JP (2) | JP7771424B2 (fr) |
| WO (1) | WO2023175255A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12460331B1 (en) * | 2024-11-13 | 2025-11-04 | Q-Carbon Material Co., Ltd. | Right-angle needle-punching mechanisms and needle-punching devices |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557550B1 (fr) * | 1983-12-28 | 1986-05-30 | Europ Propulsion | Procede et appareillage pour la fabrication de structures tridimensionnelles de revolution |
| FR2669941B1 (fr) * | 1990-12-03 | 1993-03-19 | Europ Propulsion | Installation pour la realisation de preformes fibreuses aiguilletees destinees a la fabrication de pieces en materiau composite. |
| US5093059A (en) * | 1991-01-18 | 1992-03-03 | Shell Oil Company | Method for the transport of a homogeneous mixture of chopped fibers |
| FR2735456B1 (fr) * | 1995-06-19 | 1997-09-12 | Europ Propulsion | Procedes et appareil pour la fabrication de pieces annulaires en materiau composite et de preformes pour ces pieces |
| CN105755680B (zh) * | 2016-04-25 | 2017-10-20 | 天津工业大学 | 一种机器人针刺设备 |
| CN110109421B (zh) * | 2018-02-01 | 2023-03-14 | 天津工业大学 | 一种针刺机器人路径规划方法 |
| CN112318499A (zh) | 2020-10-16 | 2021-02-05 | 西安工程大学 | 一种异型预制体机器人针刺成形路径规划方法 |
| US12404616B2 (en) * | 2022-10-31 | 2025-09-02 | Rohr, Inc. | Systems and methods for robotic arm end effector for tailored through thickness reinforcement |
-
2023
- 2023-03-08 EP EP24216051.3A patent/EP4534747B1/fr active Active
- 2023-03-08 US US18/846,972 patent/US12270133B1/en active Active
- 2023-03-08 EP EP23713709.6A patent/EP4493753B1/fr active Active
- 2023-03-08 JP JP2024554838A patent/JP7771424B2/ja active Active
- 2023-03-08 WO PCT/FR2023/050307 patent/WO2023175255A1/fr not_active Ceased
-
2024
- 2024-12-19 JP JP2024223699A patent/JP2025066103A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP4534747A1 (fr) | 2025-04-09 |
| US20250207310A1 (en) | 2025-06-26 |
| EP4534747B1 (fr) | 2026-05-13 |
| US20250109537A1 (en) | 2025-04-03 |
| WO2023175255A1 (fr) | 2023-09-21 |
| EP4493753B1 (fr) | 2026-05-06 |
| JP2025066103A (ja) | 2025-04-22 |
| JP7771424B2 (ja) | 2025-11-17 |
| JP2025512747A (ja) | 2025-04-22 |
| US12270133B1 (en) | 2025-04-08 |
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