Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
  • F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
  • F17C2201/01—Shape
  • F17C2201/0104—Shape cylindrical
  • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
  • F17C2201/05—Size
  • F17C2201/056—Small (<1 m3)
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
  • F17C2201/05—Size
  • F17C2201/058—Size portable (<30 l)
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2203/00—Vessel construction, in particular walls or details thereof
  • F17C2203/01—Reinforcing or suspension means
  • F17C2203/011—Reinforcing means
  • F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2203/00—Vessel construction, in particular walls or details thereof
  • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
  • F17C2203/0602—Wall structures; Special features thereof
  • F17C2203/0604—Liners
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2203/00—Vessel construction, in particular walls or details thereof
  • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
  • F17C2203/0602—Wall structures; Special features thereof
  • F17C2203/0609—Straps, bands or ribbons
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2203/00—Vessel construction, in particular walls or details thereof
  • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
  • F17C2203/0602—Wall structures; Special features thereof
  • F17C2203/0612—Wall structures
  • F17C2203/0614—Single wall
  • F17C2203/0619—Single wall with two layers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2203/00—Vessel construction, in particular walls or details thereof
  • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
  • F17C2203/0634—Materials for walls or layers thereof
  • F17C2203/0658—Synthetics
  • F17C2203/0663—Synthetics in form of fibers or filaments
  • F17C2203/0668—Synthetics in form of fibers or filaments axially wound
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2203/00—Vessel construction, in particular walls or details thereof
  • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
  • F17C2203/0634—Materials for walls or layers thereof
  • F17C2203/0658—Synthetics
  • F17C2203/0663—Synthetics in form of fibers or filaments
  • F17C2203/067—Synthetics in form of fibers or filaments helically wound
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2203/00—Vessel construction, in particular walls or details thereof
  • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
  • F17C2203/0634—Materials for walls or layers thereof
  • F17C2203/0658—Synthetics
  • F17C2203/0663—Synthetics in form of fibers or filaments
  • F17C2203/0673—Polymers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
  • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
  • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
  • F17C2205/0305—Bosses, e.g. boss collars
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2209/00—Vessel construction, in particular methods of manufacturing
  • F17C2209/21—Shaping processes
  • F17C2209/2154—Winding
  • F17C2209/2163—Winding with a mandrel
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2209/00—Vessel construction, in particular methods of manufacturing
  • F17C2209/23—Manufacturing of particular parts or at special locations
  • F17C2209/234—Manufacturing of particular parts or at special locations of closing end pieces, e.g. caps
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2221/00—Handled fluid, in particular type of fluid
  • F17C2221/01—Pure fluids
  • F17C2221/012—Hydrogen
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
  • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
  • F17C2223/0107—Single phase
  • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
  • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
  • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
  • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
  • F17C2223/036—Very high pressure (>80 bar)
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02E60/30—Hydrogen technology
  • Y02E60/32—Hydrogen storage

Definitions

• the present invention relates to a method of making a pressurized fluid storage tank.
• the rigid waterproof casing also called a "liner”
• the rigid waterproof casing is for example made of metal for certain types of tank. It can be made in a polymer material for certain other types of tank where their weight reduction is an important issue or when they are mechanically stressed periodically.
• the sealed envelope is installed between two mandrels and an application head carried by a robot comes to apply the tape against the envelope as it is rotated by forming turns around the waterproof envelope.
• the composite tape is applied continuously, by first forming so-called "axial" turns where they extend in mean planes that are not very inclined with respect to the axis of rotation of the casing, then turns. circumferential which extend along mean planes neighboring planes perpendicular to the axis of rotation.
• the axial turns extend from one end of the envelope to the other, while the circumferential turns are formed in the cylindrical part of the envelope.
• a problem which arises and which the present invention aims to solve is to provide a method which makes it possible to locally reinforce the wall of the composite storage tanks.
• a method of producing a pressurized fluid storage tank comprising the following steps: a) a rigid support of revolution is provided comprising a central portion and two opposite rounded end portions; b) providing a composite tape comprising a thermoplastic polymeric material and a fibrous material embedded in said polymeric material; c) the polymer material of said tape is caused to melt and said tape is wound around said rigid support by making contiguous turns and superimposed turns so as to form a composite layer around said rigid support. And further applying locally a plurality of discontinuous portions of said tape on at least one of said two opposite rounded end portions.
• a characteristic of the invention resides in the use of a composite tape including a thermoplastic polymer material and in the local application of discontinuous portions of composite tape on the rounded end portion of the rigid support.
• the discontinuous portions of composite tape are preferably applied before step c), after causing the polymer material to melt.
• additional layers of composite tape are applied, on the end part exclusively, so as to locally obtain a greater wall thickness of the tank. In this way, we obtain better mechanical resistance of the rounded end.
• discontinuous portions of composite tape can also be applied during step c).
• portions of composite tape are applied locally on the helical turns of said tape. already formed.
• these discontinuous portions of tape are in turn covered by helical turns, as will be explained below. In this way, a better bond is obtained between the discontinuous portions of tape and the helical turns, and therefore better mechanical strength of the composite layer of the reservoir.
• the support of revolution can be considered as a whole as a solid of revolution, but that it can also have portions which do not strictly fall within this definition. For example, it may have flat portions.
• the discontinuous portions of said plurality of portions have ribbon ends extending into said central portion of said support.
• the central part of the holder has two opposing circular edges running along the opposite end parts. And the ends of the discontinuous portions of tape are applied in the corresponding circular border.
• said tape is wound around said support by covering said tape ends of said discontinuous portions. In this way, after the polymeric material of the tape and that of the ends of the discontinuous portions of tape become rigid again, the end wall of the reservoir and the central wall are mechanically linked together.
• each discontinuous portion of composite tape applied to the rounded end defines a mean plane, which mean plane is substantially inclined with respect to the axial plane containing the axis of rotation of the support or else coincides with the axial plane.
• the discontinuous portions of the strip may extend radially or else along chords if the projection of the rounded end on a radial plane is considered. .
• the two opposite ends of the portion of composite tape can then come to apply in the circular border of the central part.
• said mean planes are between planes inclined at an angle of 45 ° relative to said axial planes.
• said plans means are between planes inclined at an angle of 30 ° with respect to said axial planes.
• a plurality of discontinuous portions of said tape is applied locally on said two opposite rounded end portions. This reinforces the wall of the two opposite rounded ends of said reservoir.
• said support is a sealed envelope.
• This sealed envelope is for example made of a polymer material and it constitutes the “liner” of the reservoir. It has at least one opening in one of its two opposite rounded ends.
• the support is a fuse support.
• the support is for example an inflatable element or it is made of wax or any other material that can be extracted from the reservoir after it has been produced.
• the invention relates to an installation for implementing the method for producing a storage tank as described above, comprising: a) at least one support for supporting a rigid support of revolution comprising a central part and two opposite rounded end parts and at least one opening made in one of said two opposite end parts; b) an application head comprising on the one hand a reel for storing a composite tape comprising a thermoplastic polymer material and a fibrous material embedded in said polymer material, and on the other hand a device for producing thermal energy; c) a control robot adapted to receive said head so as to be able to wind said tape around said rigid support while said device for producing thermal energy causes the polymer material of said tape to melt, so as to produce contiguous turns and superimposed turns to form a composite layer around said rigid support.
• Said installation further comprises a device for cutting said composite tape installed on said application head in order to be able to cut said tape and locally apply a plurality of discontinuous portions of said tape on at least one of said rounded parts.
• a characteristic of the invention resides in the implementation of a device for cutting the composite tape making it possible to cut the tape, then to control the application head and the support so as to successively apply portions of contiguous ribbon on the rounded part.
• said application head further comprises a member for holding said cut tape.
• FIG. 1 is a partial schematic axial view of an installation allowing the implementation of the method according to the invention.
• FIG. 2 is a schematic side view of a storage tank in progress according to the method according to the invention.
• FIG. 1 shows, in radial section, a rigid support of revolution 10 and an application head 12 extending transversely with respect to the rigid support 10, and carried by a robot, not shown.
• the rigid support 10 is here a sealed envelope made of a polymer material.
• the rigid sealed casing 10 is provided with two end pieces 15 respectively installed in its two opposite ends. And these two end pieces are held in engagement in two opposing coaxial mandrels, not shown.
• the application head 12 comprises at one of its ends, a support roller 14, while on the other hand, it comprises a receiving coil 16.
• the support roller 14 is here carried bearing against the rigid sealed envelope of revolution 10 and its axis of rotation is substantially inclined relative to the axis of rotation A of the envelope 10 as will be explained below.
• thermoplastic composite tape 18 reinforced with longitudinal glass fibers.
• the thermoplastic composite tape 18 has a polymer matrix, for example made of polyamide.
• Other thermoplastic polymers can be advantageously used, for example polyetheretherketone (PEEK) or even polyetherketonketone (PEKK).
• PEEK polyetheretherketone
• PEKK polyetherketonketone
• the receiving coil 16 has an axis of rotation parallel to the axis of the support roller 14, and the thermoplastic composite tape 18 extends from the receiving reel 16 to the support roller 14 by means of a deflection roller 20.
• the thermoplastic composite tape 18 is here pressed flat against the outer surface 22 of the casing 10 by means of the support roller 14.
• the casing 10 is adapted to be driven in rotation, about its axis longitudinal, in the clockwise direction R as shown in the figure [Fig. 2] Therefore, the thermoplastic composite tape 18 can come wound up on the outer surface 22, while the receiving spool 16 unwinds in the counterclockwise direction AR.
• the application head 12 comprises a laser device 24 making it possible to focus a laser beam guided by an optical fiber 26, in the angle formed by the thermoplastic composite tape 18 and the outer surface 22 of the envelope. 10, upstream of the support roller 14.
• the laser device 24 then makes it possible to supply thermal energy to the thermoplastic tape 18 so that the thermoplastic polymer matrix can be carried in fusion, as will be explained below. -after.
• the laser device 24 also makes it possible to supply thermal energy to the layers of composite tape 18 previously wound up.
• the application head 12 is equipped with a cutting device, not shown, and located upstream of the support roller 14. In addition, it comprises a member for holding said cut tape located in the vicinity of the support roller 14.
• a composite layer is formed around the sealed casing 10 by moving the application head 12 and the sealed casing 10 with respect to one another. the other by forming contiguous turns and superimposed turns. These turns constitute a primary winding.
• the revolution support 10 can also be a fusible support and the method according to the invention then makes it possible to produce pressurized fluid storage tanks devoid of "liner". The implementation of such a possibility will be explained in the remainder of the description.
• FIG. 2 illustrates viewed from the side, the rigid sealed envelope 10 having two opposite rounded ends 30, 32. Also, the rigid sealed envelope 10 has a central portion 34 of cylindrical symmetry, while the two opposite rounded ends 30, 32 are of symmetry spherical. The two rounded ends 30, 32 each have an axial opening equipped with a nozzle 36, 38.
• discontinuous portions 40 of tape 18 in the two opposite rounded ends 30, 32 are applied locally beforehand, discontinuous portions 40 of tape 18 in the two opposite rounded ends 30, 32.
• the application head presses through its support roller 14 one end of tape in an edge 42 of the central part 34, in a direction substantially inclined with respect to the axis of symmetry A of the sealed envelope 10, while the laser member 24 causes the polymer material to melt.
• the application head 12 applies the tape flat on the surface of the rounded end 32 to the diametrically opposite border located behind the figure.
• the cutting device then makes it possible to cut the tape, and the application head 12 can then return to its initial position to apply a new portion of tape 40.
• the composite tape comprises a thermoplastic material which can be used. made viscous when desired by controlling the laser device 24.
• the portions of tape 40 can be applied parallel to each other, and contiguously avoiding the tip 38, as illustrated in the figure [Fig. 2]
• the portions of tape can be angularly offset with each application around the end piece 38.
• the tape portions are applied radically to the surface of the rounded end 32.
• a plurality of portions of tape 40 can be adjusted, by superimposing the portions 40 so as to cover the entire surface of the rounded end 32.
• all the portions of tape 40 have at least one free end which comes into the edge 42 of the central part 34, so that it can then be taken up in particular by the circumferential windings as is the case. will explain below.
• the other rounded end 30 can be covered in the same way by portions of tape 40 according to the same configuration.
• the composite tape 18 is first wound around the rigid sealed casing 10 according to mean planes called: "axial planes" so as to form turns which intersect at the level rounded ends 30, 32 and which come to cover the portions of tape 40.
• axial mean planes are slightly inclined with respect to the axis of rotation A around which the rigid sealed casing 10 is driven. They are for example inclined by an angle of less than 30 °.
• the composite tape 18 is wound circumferentially in contiguous turns on the cylindrical part 34 of the rigid sealed casing 10 so as to perfect the primary winding and form a homogeneous composite layer around it.
• a rigid fusible support for example wax, having an identical shape.
• a composite tank On the other hand, when it is finished, the wax support is removed by heating and the interior of the reservoir is thus released. We then do away with the “liner”.
• thermoplastic polymers which are themselves impervious.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Moulding By Coating Moulds (AREA)
• Filling Or Discharging Of Gas Storage Vessels (AREA)
• Laminated Bodies (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=70978250

Family Applications (1)

Country Status (3)

Families Citing this family (2)

Family Cites Families (4)

• 2020
  • 2020-04-15 FR FR2003800A patent/FR3109426B1/fr active Active
• 2021
  • 2021-04-14 EP EP21725974.6A patent/EP4136382A1/de active Pending
  • 2021-04-14 WO PCT/FR2021/050654 patent/WO2021209715A1/fr unknown

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