WO2015197357A1 - Récipient sous pression - Google Patents

Récipient sous pression Download PDF

Info

Publication number
WO2015197357A1
WO2015197357A1 PCT/EP2015/062871 EP2015062871W WO2015197357A1 WO 2015197357 A1 WO2015197357 A1 WO 2015197357A1 EP 2015062871 W EP2015062871 W EP 2015062871W WO 2015197357 A1 WO2015197357 A1 WO 2015197357A1
Authority
WO
WIPO (PCT)
Prior art keywords
shoulder portion
inner container
pressure vessel
connection element
connecting element
Prior art date
Application number
PCT/EP2015/062871
Other languages
German (de)
English (en)
Inventor
Raimund Helmig
Original Assignee
Kautex Textron Gmbh & Co. Kg
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 Kautex Textron Gmbh & Co. Kg filed Critical Kautex Textron Gmbh & Co. Kg
Publication of WO2015197357A1 publication Critical patent/WO2015197357A1/fr

Links

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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/06—Closures, e.g. cap, breakable member
    • 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
    • F17C2203/06—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
    • F17C2203/0612—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
    • F17C2203/066—Plastics
    • 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
    • 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
    • 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
    • F17C2203/0675—Synthetics with details of composition
    • 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
    • F17C2209/2109—Moulding
    • F17C2209/2127—Moulding by blowing
    • 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
    • F17C2209/22—Assembling processes
    • F17C2209/221—Welding
    • 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
    • F17C2209/22—Assembling processes
    • F17C2209/227—Assembling processes by adhesive means
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • 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
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • 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
    • F17C2223/031—Not under pressure, i.e. containing liquids or solids only
    • 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)
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/011—Improving strength
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0178—Cars
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • 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 pressure vessel, in particular for
  • Motor vehicles for receiving pressurized gases and / or liquids, in particular pressurized hydrogen and / or natural gas.
  • Pressure vessels are used to store pressurized and / or pressurized fluids. So find
  • Pressure vessel already in natural gas powered vehicles application Furthermore, pressure vessels for motor vehicles are known which can be filled with pressurized hydrogen.
  • the hydrogen can be in one
  • Combustion engine are burned with oxygen or react in a fuel cell with oxygen to water, wherein the recovered electrical energy is supplied to an accumulator or an electric motor.
  • pressure vessels for natural gas are filled with pressure up to 250 bar.
  • Pressure vessels for hydrogen are filled up to 700 bar.
  • Connection element an inner container and the inner container
  • the connecting element comprises a sleeve-shaped neck portion and a shoulder portion and has a rotationally symmetrical about its longitudinal axis passageway which is bounded by an inlet opening of the half portion.
  • the connection element is connected to the inner container and is in direct contact with the inner container via the shoulder portion and over part of the neck portion.
  • Support sleeve encloses the inner container and is located above the
  • Inner container end oriented directly on a parallel to the longitudinal axis
  • the neck portion of the connecting element further has an internal thread into which a valve device is screwed, which is connectable to a supply line. Due to the changing pressurization of the pressure vessel, these are in particular in the region of the connection of the connecting element with the
  • connection element can be dissipated from the connection element to the support shell only over the shoulder portion. The same applies to a drop test in which the pressure vessel is dropped onto the neck element.
  • the object underlying the present invention is to provide a more stable pressure vessel having a greater long-term stability.
  • the pressure vessel according to the invention comprises a
  • Connection element an inner container and the inner container
  • the connecting element comprises a sleeve-shaped neck portion and a shoulder portion. Furthermore, the connection element has a passage, which is at least sectionally rotationally symmetrical with respect to its longitudinal axis and which is delimited by an inlet opening of the neck section.
  • the connecting element is connected via an outer surface of the shoulder portion with an inner surface of the inner container.
  • the support shell is with the Inner container connected and encloses this thoroughly. Therefore, the
  • the pressure vessel according to the invention is characterized in that a contact surface directly connecting the connection element with the support shell is not parallel to the longitudinal axis of the
  • connection element can be transferred to the support shell. Since the contact surface between the connection element and the support sleeve is not aligned parallel to the longitudinal axis, pierces the longitudinal axis just this contact surface between the connection element and the support shell.
  • Contact surface is not aligned parallel to the longitudinal axis of the connection element, is equivalent and has the same effect as the feature according to which a normal vector of the contact surface has at least one extension component which is aligned parallel to the longitudinal axis of the connection element.
  • the contact surface thus includes with the longitudinal axis of the connecting element a different angle from 0 °.
  • the included by the contact surface with the longitudinal axis angle is between 1 ° and 90 °. Further preferably, the contact surface and the longitudinal axis of the close
  • Connection element an angle of more than 20 °, more preferably more than 30 °, more preferably more than 45 °, more preferably more than 60 °, but always less than 90 °.
  • connection element directly connecting the connection element with the support shell and connecting without interposition of the inner container is not aligned parallel to the longitudinal axis of the connection element, axial thrust forces exerted on the connection element when the pressure vessel is pressurized can be transmitted more effectively directly from the connection element to the support shell , Therefore, the between the shoulder area of the connection element directly connecting the connection element with the support shell and connecting without interposition of the inner container.
  • the connecting element may be made of a metal, in particular of aluminum.
  • an internal thread for screwing for example, a valve device may be arranged.
  • the inner container is preferably a blow-molded inner container.
  • the inner container is preferably formed as a multilayer inner container and can, for example, an outer layer of HDPE (high density polyethylene, high density polyethylene) an adhesion promoter, for example, LDPE (low density polyethylene, low density polyethylene), a barrier layer of, for example, EVOH (ethylene-vinyl alcohol Copolymer), a further adhesion promoter, for example comprising LDPE and an inner layer of HDPE.
  • an outer layer of HDPE high density polyethylene, high density polyethylene
  • an adhesion promoter for example, LDPE (low density polyethylene, low density polyethylene)
  • LDPE low density polyethylene, low density polyethylene
  • barrier layer for example, EVOH (ethylene-vinyl alcohol Copolymer)
  • a further adhesion promoter for example comprising LDPE and an inner layer of HDPE.
  • Other layer systems for the inner container are possible, restrictions on the layer structure of the inner container do not exist insofar.
  • the support shell may in particular be formed of carbon fiber reinforced plastic.
  • the support shell consists of a
  • the inner container may also be referred to as a lining and / or as an inner shell and / or as a liner and / or as an inliner.
  • the support shell can also be referred to as an outer shell.
  • the connection element can also as
  • connection element has a middle shoulder section which is arranged between the neck section and the shoulder section.
  • an outer surface of the middle shoulder portion is not aligned parallel to the longitudinal axis of the connecting element.
  • the support sleeve is with the connection element in Area of the middle shoulder portion without interposition of the inner container connected.
  • Outer surface at least one extension component, which is aligned parallel to the longitudinal axis of the connecting element. Furthermore, this feature is equivalent to the fact that the outer surface of the middle shoulder portion with the longitudinal axis of the connecting element forms an angle of more than 0 ° and less than 90 °.
  • the outer surface of the mid-shoulder portion and the longitudinal axis of the connecting element close an angle of more than 20 °, more preferably more than 30 °, more preferably more than 45 °
  • Elongated angle is the more effective, an axial thrust force can be transmitted from the connection element directly to the support shell.
  • Center shoulder portion is connected without interposition of the inner container, the inner container ends at a distance from the inlet opening in the region of
  • the connecting element has a conical outer contour and the
  • Outer diameter of the connecting element increases continuously from the inlet opening in the direction of the lower end of the connecting element.
  • the middle shoulder portion at least partially has a convex outer contour
  • the connecting element has at least partially between the neck portion and the middle shoulder portion and between the middle shoulder portion and the shoulder portion at least partially a concave outer contour.
  • the connecting element has an enveloping curve or an enveloping surface
  • Inner container and the connecting element encloses, in the boundary region between the outer surface of the inner container and the connecting element on a smoother surface, that is, a surface whose radii of curvature are increased. As a result, a clinging of the support shell on both the
  • connection element Boundary region between the connection element and the inner container particularly well possible because the support shell must follow no small radius of curvature or no small radii of curvature in the contact area of the inner container end with the connection element.
  • An appropriately trained pressure vessel thus has a further increased stability and longevity.
  • the inner container ends in the boundary region between the
  • connection element Shoulder section and the middle shoulder section. Further preferably, the inner container and the middle shoulder portion of the connection element are in alignment with each other.
  • a suitably trained Pressure vessel has a further increased stability when pressurized and increased longevity.
  • the outer surface of the shoulder portion facing the inner container and / or an outer surface of the middle shoulder portion facing the inner container and the supporting sleeve preferably have / have one of them
  • Support envelope facing outer surface of the neck portion at least partially an average roughness of more than 50 ⁇ on.
  • the average roughness indicates the mean distance of a measurement point on a surface to a centerline.
  • the midline cuts within the
  • the average roughness of the outer surface of the shoulder portion and / or the middle shoulder portion and / or the neck portion is preferably between 50 ⁇ and 1 .000 ⁇ , more preferably between 50 ⁇ and 500 ⁇ , more preferably between 80 ⁇ and 250 ⁇ and most preferably more than 120 ⁇ .
  • connection element Outside surfaces of more than 50 ⁇ the surface of the connection element, which is in contact with the inner container and / or with the support shell, increased, so that the connection element is more stable connected to the inner container and with the support shell.
  • Both an axial load capacity and a radial load of the connection element in comparison to pressure vessels known from the prior art is increased, since the holding force of the connection element on the inner container and / or on the support shell is increased.
  • the outer surface of the shoulder portion facing the inner container and / or an outer surface of the middle shoulder portion facing the inner container and the supporting sleeve are / or one of the outer surfaces Support envelope facing outer surface of the neck portion at least partially provided with a coating of thermoplastic material.
  • thermoplastic material may be, for example
  • Polyethylene in particular to low density polyethylene (LDPE) act.
  • LDPE low density polyethylene
  • connection element By coating the outer surface or the outer surfaces of the connection element with a thermoplastic material, this can adapt particularly well to the outer contour of the connection element, so that a connection of the connection element provided with a coating to the inner container and to the support shell is made more stable.
  • the recesses of the outer surface of the connecting element can be filled particularly effectively with the thermoplastic material by coating the outer surface of the connecting element with a thermoplastic plastic, so that the available connection surface of the connection element or the outer surface of the connection element can be used particularly effectively.
  • Terminal element has an average roughness of more than 50 ⁇ , and wherein the thickness of the coating is thinner than the average roughness of the outer surface of the connecting element, protrude parts of the outer surface of the applied coating, so that these outer surface parts in connecting the
  • Connection element with the inner container in addition to the cohesive
  • Connection form a positive connection with the inner container.
  • the roughening of the outer surface of the connection element takes place by blasting an abrasive blasting agent on the outer surface of the connection element
  • the blasting agent may be any abrasive blasting abrasive, for example sand (sand blasting).
  • abrasive abrasive but also ceramic particles, steel particles, steel gravel, corundum and corundum can be used.
  • a corresponding roughening of the outer surface by means of blasting an abrasive blasting abrasive is particular Furthermore, it is simply possible and, for example, does not require a potentially hazardous etchant compared to etching the outer surface. Furthermore, by
  • connection strength of the connecting element can be increased with the inner container. Furthermore, for roughening the outer surface of the connecting element
  • connection element no chemical etchant necessary, which is harmful to health and the environment.
  • the outer surface of the connection element and the inner surface of the inner container and optionally the inner surface of the support element or of the support shell enter into an intimate positive connection with each other.
  • the coating is preferably applied to the outer surface of the connection element by producing a plasma jet directed onto the outer surface of the connection element into which the thermoplastic material forming the coating is supplied in powder form into the plasma jet, the plasma jet and / or the connection element being relative to one another be moved so that the plasma jet the desired outer surface of the connection element, preferably the entire surface of the connection element moves away.
  • This coating process makes it possible to vary
  • thermoplastic material Plasma jet supplied thermoplastic material is coated, it is also possible before feeding the thermoplastic material
  • Metal powder ver preferably of the same material from which the surface of the connection element consists, to inject into the plasma jet, so that the metal powder in at least partially melted state on the
  • the surface of the connecting element is cleaned by applying the coating by the plasma jet by the plasma jet without Feeding the thermoplastic resin powder is moved over the surface of the connection element, so that impurities are reliably removed.
  • thermoplastic resin powder By feeding the present in powder form thermoplastic
  • thermoplastic material in the plasma jet, the thermoplastic material is melted at least at the surface, so that when hitting the at least partially melted thermoplastic material this particularly well the surface of the connection element conforms, so that a particularly effective toothing of the coating with the outer surface of the
  • Connecting element is achieved.
  • a gas of, for example, 98.5% nitrogen and 1.5% hydrogen is preferably used.
  • the outer surface of the shoulder portion facing the inner container and / or an outer surface of the middle shoulder portion facing the inner container and the supporting sleeve preferably have / have one of them
  • Support envelope facing outer surface of the neck portion at least one extending in the circumferential direction of the connecting element circumferential groove.
  • Connection element is axially stronger, without the connection to the inner container is destroyed. Furthermore, for the production of the connection of the connecting element with the inner container only an axial
  • connection element is pulled or pressed with a pulling force oriented parallel to its longitudinal axis into the warm-plastic inner container.
  • a pulling movement of the component holding the connecting element for example a blow tip, the connecting element is in the still warm plastic
  • the coating covers the entire outer surface of the
  • Connection element are transferable, without the connection between
  • connection element and inner container is destroyed.
  • the coating forms a closed surface of the connection element.
  • the outer surface of the shoulder portion and / or the outer surface of the middle shoulder portion preferably has / have at least one radial groove which has an extension component in the radial direction of the connection element.
  • the pressure vessel has a higher stability in a rotational load of the
  • Connection element can be exercised without the
  • Connection element from the inner container or from the support shell triggers.
  • the coating covers the entire outer surface of the
  • connection element Continuous shoulder portion and fills the at least one radial groove. This results in that the radial grooves can absorb increased forces at a radial load of the connection element. Furthermore, a correspondingly coated connection element with a closed
  • Coating surface improves connectable with the inner surface of the inner container connectable.
  • Pole piece is installed in the pressure vessel; a schematic sectional view of a pressure vessel according to the invention in the region of the pole cap; a representation of a connection element together with radial grooves and circumferential grooves, which on the outer surface of
  • Inserted connecting element and the connection element shown in Figure 4 provided with a coating in conjunction with an inner container and with a support sleeve.
  • the pressure vessel 1 comprises a connection element 10 which is connected to an inner container 30 of the pressure vessel 1.
  • the pressure vessel 1 further comprises a support shell 40 which completely encloses the inner container 30.
  • the support shell 40 is directly with the
  • the pressure vessel 1 has at least one inlet opening 2, which is bounded by a neck portion 1 1 of the connecting element 10.
  • Pressure vessel 1 not only has only one inlet opening 2 but at two opposite end portions of the pressure vessel 1 two
  • Inlets 2 are provided, wherein the two themselves
  • Connection elements 10 are connected to the inner container 30 and the support sleeve 40.
  • the connecting element 10 has a
  • the connecting element 10 is connected via an outer surface 13 'of the shoulder portion 13 with an inner surface 31 of the
  • Inner container 30 connected. As can be seen in FIG. 1, the inner container 30 is sandwiched between the shoulder portion 13 of the connecting element 10 and the supporting sleeve 40. Furthermore, it can be seen from FIG. 1 that the connecting element 10 directly connects to the support sleeve 40
  • Contact surface is not parallel to a longitudinal axis L of the connection element 10 is aligned.
  • a normal vector of the contact surface 13 ' has at least one extension component which is aligned parallel to the longitudinal axis L of the connection element 10.
  • an angle enclosed by the contact surface 13 with the longitudinal axis L is between 1 ° and 90 °.
  • Pressure vessel 1 according to the invention consequently has an increased long-term stability because it retains its fluid tightness over a larger number of refueling cycles without prejudice.
  • FIG. 2 a shows a connecting element 10 according to a further embodiment of a pressure vessel according to the invention
  • FIG. 2 b shows the connecting element 10 shown in FIG. 2 a in the installed position of a pressure vessel 1.
  • the pressure vessel 1 shown in Figures 2a and 2b is characterized in that the connecting element 30 has a middle shoulder portion 12 which is disposed between the neck portion 1 1 and the shoulder portion 13. In this case, an outer surface 12 'of the middle shoulder portion 12 is not aligned parallel to the longitudinal axis L of the connecting element 10.
  • the supporting sleeve 40 is connected to the connecting element 10 in the region of the middle shoulder section 12 without the interposition of the inner container 30. Because the inner container 30 is only with the shoulder portion 13 of the
  • the connecting element 10 has a conical outer contour and the
  • connection element 10 Outer diameter of the connecting element 10 increases steadily from the inlet opening 2 in the direction of the lower and located within the pressure vessel 1 end of the connecting element 10. Since the connecting element 10 has a middle shoulder portion 12 which is arranged between the shoulder portion 13 and the neck portion 10, the Angle of the outer surface of the middle shoulder portion and the outer surface of the shoulder portion may be formed differently from each other, so that the connecting element 10 can be adapted to a desired inner profile of the pressure vessel 1 improved.
  • FIG. 3 shows a part of a pressure vessel 1 according to the invention in accordance with a further embodiment of the present invention in more schematic form
  • Mid-shoulder portion 12 and the shoulder portion 13 each have a concave Having outer contour. Furthermore, it can be seen from FIG. 3 that the inner container 30 is located in the region of the concave boundary region between the
  • Connection element 10 wrapped, enlarged, a support shell 40 can be improved both on the connection element 10 and the inner container 30 create, especially in the boundary region between the connection element and the inner container 30. Because a clinging of the support shell 40 both on the connection element 10 and to the inner container 30, in particular to a boundary region between the connecting element 10 and the inner container 30 is particularly well possible because the support sleeve 40 must follow no small radii of curvature.
  • the inner container 30 and the middle shoulder portion 12 of the connecting element 10 are aligned in one another.
  • the appropriately designed pressure vessel 1 thus has a further increased stability and longevity.
  • Neck portion 1 1 and on the outer surface 12 'of the middle shoulder portion 12 a plurality of in the circumferential direction of both the neck portion 1 1 and the middle shoulder portion 13 entumblende circumferential grooves 14 may be formed. Furthermore, a plurality of radial grooves 15 may be formed on the outer surface 13 'of the shoulder portion 13, wherein the radial grooves 15 a
  • Extension component in the radial direction of the connecting element 10 have.
  • the warm plastic material fills the Radial grooves 15 off, allowing a stable connection between the
  • connection element 10 and the inner container 30 is realized.
  • the support sleeve 40 conforms to the middle shoulder portion 13 and the neck portion 10, so that the circumferential grooves 14 are filled by the support sleeve material 40, so that also an intimate connection of the connection element 10 with the
  • Support shell 40 is guaranteed.
  • thermoplastic of the coating 20 can be, for example, polyethylene, in particular low-density polyethylene (LDPE).
  • LDPE low-density polyethylene
  • the thickness of the coating 20 is so large that all circumferential grooves 14 and all radial grooves 15 with the
  • Coating 20 are filled. Consequently, the coating 20 forms a closed surface which can be materially bonded to the inner surface 31 of the inner container 30 and to an inner surface of the support sleeve 40.
  • the unevenness of the outer surfaces which are caused by, for example, a roughening of the outer surfaces can be carried out particularly well by the thermoplastic material of the coating 20, so that a particular connection between the coating 20 and the connection element 10 is effected. Furthermore, in the
  • Circumferential 14 better filled with a thermoplastic material so that once again increased stability of a corresponding
  • the coating 20 engages with the inner surface 31 of the inner container and with the inner surface of the support sleeve 40 a cohesive connection, so that in this way a more stable connection between the
  • the connecting element 10 may be made of a metal.
  • the connecting element 10 is made of aluminum.
  • the inner container 30 may be formed of a thermoplastic material, wherein the thermoplastic material may have a multilayer structure.
  • a centrally arranged EVOH layer can be connected by means of two adhesion promoters, for example in the form of LDPE layers with two outer layers, which consist of HDPE.
  • the support shell, which may also be referred to as outer shell 40 is made of a
  • the support shell may be formed of CVK (carbon reinforced plastic), wherein the plastic is preferably a thermoplastic material.
  • Mid-shoulder portion 12 and / or the outer surface 13 'of the shoulder portion 13 of the connecting element 10 have an average roughness, which is between 50 ⁇ and 1 .000 ⁇ .
  • connection element connection flange, insert, extension piece
  • outer shell comprising fiber reinforced plastic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un récipient sous pression (1) comprenant un élément de raccordement (10), un récipient intérieur (30) et une enveloppe de support (40) entourant le récipient intérieur (30). Le récipient sous pression (1) présente les caractéristiques suivantes : l'élément de raccordement (10) comprend une partie de col (11) présentant une forme de douille et une partie d'épaulement (13) ; l'élément de raccordement (10) comporte un canal de passage (3) au moins par endroits symétrique en rotation autour de l'axe longitudinal (L) de l'élément de raccordement, lequel canal de passage est délimité par une ouverture d'entrée (2) de la partie de col (11) ; l'élément de raccordement (10) est relié, par l'intermédiaire d'une surface extérieure (13') de la partie d'épaulement (13), à une surface intérieure (31) du récipient intérieur (30) ; l'enveloppe de support (40) est reliée au récipient intérieur (30) et entoure ce dernier en totalité ; et le récipient intérieur (30) est disposé entre la partie d'épaulement (13) de l'élément de raccordement (10) et l'enveloppe de support (40) à la manière d'un sandwich. Le récipient sous pression (1) est caractérisé en ce qu'une surface de contact (13') reliant directement l'élément de raccordement (10) à l'enveloppe de support (40) n'est pas orientée de manière parallèle par rapport à l'axe longitudinal (L) de l'élément de raccordement (10) de sorte qu'une force axiale exercée sur l'élément de raccordement (10) et s'étendant de manière parallèle par rapport à l'axe longitudinal (L) peut être transmise sur l'enveloppe de support (40) directement sans couche intermédiaire du récipient intérieur (30).
PCT/EP2015/062871 2014-06-27 2015-06-10 Récipient sous pression WO2015197357A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014009341.7A DE102014009341B4 (de) 2014-06-27 2014-06-27 Druckbehälter
DE102014009341.7 2014-06-27

Publications (1)

Publication Number Publication Date
WO2015197357A1 true WO2015197357A1 (fr) 2015-12-30

Family

ID=53396480

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/062871 WO2015197357A1 (fr) 2014-06-27 2015-06-10 Récipient sous pression

Country Status (2)

Country Link
DE (1) DE102014009341B4 (fr)
WO (1) WO2015197357A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021534360A (ja) * 2018-11-30 2021-12-09 プラスチック・オムニウム・アドヴァンスド・イノベーション・アンド・リサーチ 自動車両のための加圧流体貯蔵タンク用内側シェル
CN115127016A (zh) * 2021-03-29 2022-09-30 本田技研工业株式会社 高压气体储罐及其制造方法
US11668436B2 (en) * 2018-11-30 2023-06-06 Lotte Chemical Corporation Pressure vessel boss and pressure vessel having same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101731960B1 (ko) * 2016-07-21 2017-05-04 (주)동희산업 차량용 고압용기
JP7040425B2 (ja) 2018-11-29 2022-03-23 トヨタ自動車株式会社 高圧タンクの製造方法
EP4030095A1 (fr) 2021-01-13 2022-07-20 Magna Energy Storage Systems GesmbH Procédé de fabrication d'un corps creux

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843010A (en) * 1971-10-13 1974-10-22 Brunswick Corp Metal lined pressure vessel
EP0203631A2 (fr) * 1985-05-30 1986-12-03 Duktrad International Fermeture annulaire à col pour réservoir sous pression en matière synthétique
US20040173618A1 (en) * 2002-12-27 2004-09-09 Tetsuya Suzuki Pressure container
DE102010023386A1 (de) * 2010-06-10 2011-12-15 Volkswagen Ag Druckbehälter
EP2573447A1 (fr) * 2010-05-19 2013-03-27 Yachiyo Industry Co., Ltd. Elément de bouchon d'appareil sous pression et structure de mise en prise de poinçon de soufflage, structure de bouchon d'appareil sous pression comprenant ceux-ci et procédé de fabrication d'appareil sous pression
DE202012101004U1 (de) * 2012-03-21 2013-06-24 Rehau Ag + Co Vorrichtung zur Speicherung und Abgabe von flüssigen und/oder gasförmigen Medien unter Druck sowie Kraftstoffenergieumwandlungsvorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997020683A1 (fr) 1995-12-04 1997-06-12 Toray Industries, Inc. Recipient de pression et procede pour le fabriquer
JPH10332082A (ja) * 1997-05-28 1998-12-15 Mitsubishi Chem Corp 耐圧容器
KR100469636B1 (ko) * 2004-03-11 2005-02-02 주식회사 케이시알 복합재료 고압용기용 고밀폐도 금속성 노즐보스
JP4392804B2 (ja) * 2007-04-06 2010-01-06 豊田合成株式会社 圧力容器
CA2752513C (fr) * 2009-02-18 2014-12-09 Hexagon Technology As Bossage de reservoir sous pression resistant au cisaillement et element d'interface de coque
KR101221004B1 (ko) * 2011-01-19 2013-01-10 주식회사 일진유니스코 고압용기의 노즐 보스

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843010A (en) * 1971-10-13 1974-10-22 Brunswick Corp Metal lined pressure vessel
EP0203631A2 (fr) * 1985-05-30 1986-12-03 Duktrad International Fermeture annulaire à col pour réservoir sous pression en matière synthétique
US20040173618A1 (en) * 2002-12-27 2004-09-09 Tetsuya Suzuki Pressure container
EP2573447A1 (fr) * 2010-05-19 2013-03-27 Yachiyo Industry Co., Ltd. Elément de bouchon d'appareil sous pression et structure de mise en prise de poinçon de soufflage, structure de bouchon d'appareil sous pression comprenant ceux-ci et procédé de fabrication d'appareil sous pression
DE102010023386A1 (de) * 2010-06-10 2011-12-15 Volkswagen Ag Druckbehälter
DE202012101004U1 (de) * 2012-03-21 2013-06-24 Rehau Ag + Co Vorrichtung zur Speicherung und Abgabe von flüssigen und/oder gasförmigen Medien unter Druck sowie Kraftstoffenergieumwandlungsvorrichtung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021534360A (ja) * 2018-11-30 2021-12-09 プラスチック・オムニウム・アドヴァンスド・イノベーション・アンド・リサーチ 自動車両のための加圧流体貯蔵タンク用内側シェル
JP7053953B2 (ja) 2018-11-30 2022-04-12 プラスチック・オムニウム・ニュー・エナジーズ・フランス 自動車両のための加圧流体貯蔵タンク用内側シェル
US11506338B2 (en) 2018-11-30 2022-11-22 Plastic Omnium New Energies France Internal casing for pressurized fluid storage tank for a motor vehicle
US11668436B2 (en) * 2018-11-30 2023-06-06 Lotte Chemical Corporation Pressure vessel boss and pressure vessel having same
CN115127016A (zh) * 2021-03-29 2022-09-30 本田技研工业株式会社 高压气体储罐及其制造方法
US11852298B2 (en) 2021-03-29 2023-12-26 Honda Motor Co., Ltd. High-pressure gas tank and method for manufacturing high-pressure gas tank

Also Published As

Publication number Publication date
DE102014009341A1 (de) 2015-12-31
DE102014009341B4 (de) 2017-02-16

Similar Documents

Publication Publication Date Title
WO2015197357A1 (fr) Récipient sous pression
DE102014009343B4 (de) Druckbehälter
EP1989477B1 (fr) Contenant sous pression destiné à stocker des fluides liquides ou gazeux
DE10000705A1 (de) Druckbehälter zur Speicherung von flüssigen und/oder gasförmigen Medien unter Druck bestehend aus einem Kunststoff-Kernbehälter der mit faserverstärkten Kunststoffen verstärkt ist und Verfahren zu dessen Herstellung
EP2418168A2 (fr) Armature de prélèvement pour un conteneur de transport et de stockage pour fluides ainsi que conteneur de transport et de stockage doté d&#39;une telle armature de prélèvement
EP2742273A1 (fr) Dispositif pour accumuler et distribuer des milieux liquides et/ou gazeux sous pression, ainsi que dispositif de conversion d&#39;énergie de carburant et procédé pour le montage d&#39;un dispositif pour l&#39;accumulation et la distribution de milieux liquide et/ou gazeux sous pression
DE102010023386A1 (de) Druckbehälter
EP0635672A1 (fr) Récipient sous pression, en particulier récipient pour le stockage d&#39;un fluide sous pression, son procédé de fabrication et plastiques pour un tel récipient
DE102016125866A1 (de) Verbesserter antistatischer Drucktank
WO2015197375A1 (fr) Récipient sous pression
EP3365242B1 (fr) Dispositif de fermeture d&#39;un récipient
EP0719592B1 (fr) Buse pour l&#39;application de colle
EP2742272B1 (fr) Dispositif pour l&#39;accumulation et la distribution de milieux liquides et/ou gazeux sous pression, ainsi que dispositif de transformation d&#39;énergie de carburant et procédé pour le montage d&#39;un dispositif pour l&#39;accumulation et la distribution de milieux liquides et/ou gazeux sous pression
EP3869080A1 (fr) Récipient sous pression et procédé de fabrication d&#39;un récipient sous pression
DE2248589C3 (de) Elektrisch isolierende Rohrkupplung
DE102014109799A1 (de) Rohrkupplung
DE3018242A1 (de) Anschluss eines funktionsteiles einem kunststoffbehaelter
DE102012108617A1 (de) Förderrohr für den Feststofftransport mit Verschleißanzeige
DE102015225067A1 (de) Innendruckbelastetes Bauteil (Rail) mit Kunststoffauskleidung
DE102007000244A1 (de) Druckgasbehälter, insbesondere für Fahrzeuge, und ein Verfahren zu dessen Herstellung
DE102015212020B4 (de) Verbund-Druckbehälter sowie Verfahren zur Herstellung des Verbund-Druckbehälters
WO2000028252A1 (fr) Manchon emboitable pour assemblage par liaison de force longitudinale
EP3760415B1 (fr) Tuyau
WO2024114861A1 (fr) Dispositif d&#39;extrémité d&#39;une structure en matériau composite renforcé par des fibres
DE102016002959A1 (de) Vorrichtung zum Befestigen einer Leitung

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: 15728832

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15728832

Country of ref document: EP

Kind code of ref document: A1