EP0804703B1 - Internally pressurised fluid container - Google Patents

Internally pressurised fluid container Download PDF

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Publication number
EP0804703B1
EP0804703B1 EP95920135A EP95920135A EP0804703B1 EP 0804703 B1 EP0804703 B1 EP 0804703B1 EP 95920135 A EP95920135 A EP 95920135A EP 95920135 A EP95920135 A EP 95920135A EP 0804703 B1 EP0804703 B1 EP 0804703B1
Authority
EP
European Patent Office
Prior art keywords
container
vessel according
outer jacket
layer
space
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.)
Expired - Lifetime
Application number
EP95920135A
Other languages
German (de)
French (fr)
Other versions
EP0804703A1 (en
Inventor
Gérard DINOUARD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ODIN SARL
Original Assignee
ODIN Sarl
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 ODIN Sarl filed Critical ODIN Sarl
Publication of EP0804703A1 publication Critical patent/EP0804703A1/en
Application granted granted Critical
Publication of EP0804703B1 publication Critical patent/EP0804703B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
    • 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
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • 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
    • F17C2201/054—Size medium (>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
    • F17C2201/056—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
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/014—Suspension means
    • F17C2203/018—Suspension means by attachment at the neck
    • 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
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0329—Foam
    • 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
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0329—Foam
    • F17C2203/0333—Polyurethane
    • 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
    • F17C2203/0607—Coatings
    • 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
    • F17C2203/0617—Single wall with one layer
    • 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
    • F17C2203/0636—Metals
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0111—Boxes
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/0126—One vessel
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0157—Details of mounting arrangements for transport
    • F17C2205/0165—Details of mounting arrangements for transport with handgrip
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • 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
    • 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
    • F17C2205/0341—Filters
    • 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
    • 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
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • F17C2209/2145—Moulding by rotation
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/238—Filling of insulants
    • 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
    • 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
    • F17C2221/031—Air
    • 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
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    • 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
    • F17C2223/013—Single phase liquid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/012—Reducing weight
    • 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
    • F17C2270/05—Applications for industrial use
    • 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
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles
    • 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
    • F17C2270/07—Applications for household use
    • F17C2270/0754—Fire extinguishers

Definitions

  • the present invention relates to a fluid container with internal pressure, such as liquids and / or gases exerting a pressure of the interior of the container towards the outside thereof.
  • It may be, for example, containers in which the fluid exerts an internal pressure due to its own nature, such as soft drinks and / or fermenting drums, gas bottles, extinguishers or other.
  • containers in which the internal pressure exerted by the fluid comes from the pressure of a distribution network in which they are integrated such as storage water heaters, vases of central heating expansion, pool filters, sand filters, brake circuit tanks, water fountain tanks, compressed air tanks or others.
  • one of the applications relates to a use of the present invention, for example, in the brewery industry as packaged food fluids such as beer. This is not, however, limiting.
  • thermoplastic containers such as polyethylene or polypropylene are known. These containers have the disadvantage of not being resistant enough to internal pressures when they are too high. Their impact resistance is also low.
  • a container of a particular type comprising a container provided with a fiberglass liner to give it resistance to pressure and, between said container and an outer casing, a lining in at least two external shock-absorbing parts, is described in the document WO-A-8,803,899 .
  • the object of the present invention is to provide a container that overcomes the drawbacks of known devices and is both resistant to internal pressure and light compared to the mainly metal container mentioned above.
  • Another object of the present invention is to provide a container also resistant to external mechanical shocks.
  • Another object of the present invention is to facilitate its use due to its weight and shape characteristics.
  • Another object of the present invention is to provide a container having, in addition, characteristics of thermal insulation and impermeability to gases and liquids corresponding to the nature and properties of the fluid contained.
  • Another object of the present invention is to provide, incidentally, a disposable container, given its cost.
  • the invention relates to a container according to claim 1.
  • Figure 1 is a perspective view of one embodiment of a container according to the present invention.
  • Figure 2 is a top view of the container shown in the previous figure.
  • FIG. 3 is a sectional view along line III - III of FIG. 2.
  • FIG. 4 shows a cardboard blank capable of constituting a bottom and sides of the outer casing of the container represented in FIG.
  • Figure 5 shows a partial side view of an alternative embodiment of the material layer completely filling the space between the container and the outer shell.
  • FIG. 6 is a partial sectional view along the line VI-VI of FIG. 5.
  • FIG. 7 is a partial sectional view along the line III-III of an embodiment of a orifice of the container according to the invention.
  • the present invention relates to a container for fluids with internal pressure, such as liquids and / or gases exerting a pressure of the interior of the container to the outside thereof. It applies to all economic areas where fluids with internal pressure are used.
  • FIG. 1 shows a perspective view of the particular embodiment mentioned above. Its structure is detailed in the following figures.
  • the container for containing fluids with internal pressure 1 has a sandwich structure 2.
  • the internal pressure can be taken up to 7 bar.
  • the present sandwich structure 2 is able to withstand such efforts.
  • the sandwich structure 2 also comprises relative positioning means 6 of the container 3 and the outer casing 4 and a layer 7 of a material 8 completely filling the space 5.
  • this container can withstand high internal pressures thanks to the so-called “sandwich effect" which allows a distribution and distribution of pressure efforts.
  • the sandwich structure 2 is all the more effective that the layer 7 perfectly fits both the outer surface of the container 3 and the inner surface of the outer casing 4 and contains no hernia.
  • the container 3 presents, for example a base 9 and an apex 10 equipped, for example, with a neck 23.
  • this base 9 and this vertex 10 have a shape that is as close as possible to a half ellipsoid of revolution. This profile will, compared to other volumes with salient edges, to better distribute the forces exerted by the internal pressure of the content.
  • the container also consists of a lateral body 11 connecting the base 9 and the top 10.
  • This body 11 is, for example, in a shape approximating a cylinder. This makes it possible to increase the interior volume of the container 2. This thus has a shape that reconciles volumetric capacity and resistance to pressure forces. It includes, at least one orifice.
  • the container 2 may also be reinforced by metal or other hoops. These allow to ensure a better resistance to pressure.
  • the outer casing 4 is, for example, of parallelepipedal shape. It makes it possible, in particular, to include the container 3. According to FIGS. 2 and 3, it consists of a bottom 12, a cover 13 and lateral sides 43.
  • the cover 13 has, for example, an impervious outer face 19.
  • the outer casing 4 may also be in a polyhedral or other form depending on the handling and / or storage constraints that correspond to its use.
  • FIG. 3 also shows a particular embodiment of the fixed contact points 42.
  • these relative positioning means 6 are formed, for example, on the one hand, a housing 20 formed in the bottom 12. It cooperates with a centering pin 21, provided at the base 9 of the container 3.
  • the housing 20 and the pin 21 are for example of cylindrical shape.
  • the pin 21 is constituted, during the production of the container 3, for example, by extrusion blow molding.
  • the relative positioning means 6 also comprise, for example, an orifice 22, formed in the cover 13. It cooperates with the neck 23 provided at the top 10 of the container 3.
  • the relative positioning means 6 further comprise, for example, a washer 25 interposed between the orifice 22 of the lid 13 and the neck 23 of the container 3.
  • the container 3 further comprises, for example, a filling rod and / or withdrawal 24.
  • This rod 24 is provided with means for closing tightly known to those skilled in the art and not shown on the different figures.
  • the washer 25 is provided with a threaded orifice 26 cooperating with a thread 27 machined at one end of the rod 24.
  • FIG 7 we can see a particular embodiment of the orifice of the container 3.
  • a part 50, of revolution, constituting a gland, is provided in its lower part with a thread 49 and in its upper part. of the threaded orifice 26. It is thus adapted to secure the container 3, at the tapping 49, and the rod 24 through its thread 27. This connection is sealed thanks to an upper elastic seal 47 and a lower elastic seal 48.
  • the outer casing 4 is constituted, more specifically, for example, a box 28, known as the American half-box.
  • This box 28 comprises flaps 29, 30, 31, 32 constituting an extension of flat surfaces 14, 15, 16, 17 constituting the sides 43. These flaps 29, 30, 31, 32 are provided with edges 33, 34, 35, 36 joined. They reinforce thus the squareness of the outer envelope 4.
  • the latter further comprises, for example, a reinforcing plate 37 of the bottom 12 in which the housing 20 is formed.
  • some of the flat surfaces 14, 15, 16, 17 comprise at least one orifice 18 insertion of the material 8 completely filling the space 5.
  • the lid 13 is secured to these flat surfaces 14, 15, 16, 17 by means of a fold 38.
  • a box 28 of the type known as the American cash register can be encountered.
  • the housing 20 and the orifice 22 can be made directly in flaps of the corresponding box 28.
  • the outer casing 2 further comprises, for example, handles 39. According to the particular embodiment shown, they are constituted by the oblong orifices 18 extended by reservations in the material 8 completely filling the space 5.
  • the materials of the sandwich structure 2 are chosen according to their property.
  • the container 3 is, for example, made from a thermoplastic material more particularly capable of facilitating the forming and to ensure impermeability to liquids and gases. It may be either polyethylene or polypropylene or, in another embodiment, metal, glass or other
  • the outer casing 4 is made, for example, from a blank 40 of cardboard, wood, or lightweight laminate based, for example thermoplastic and / or thermosetting, or other. In the case of a carton, it may be a veneer and / or a corrugated.
  • the material 8 completely filling the space 5 is composed of a thermosetting and / or thermoplastic foam, expanded or not, chosen for its strength properties. It may be, for example, polyvinyl chloride, polyvinyl chloride or vinylidene, polyurethane or the like.
  • the layer 7 of material 8 that completely fills the space 5 is in the form of a honeycomb structure 44, constituted, for example, from of thermoplastic material.
  • This honeycomb structure 44 has, for example, cavities 45 of longitudinal axes 46, substantially perpendicular to the container 3 and to the outer casing 4.
  • this honeycomb structure 44 comprises, for example, cavities coated on each side with a nonwoven which is glued on the one hand against the outer wall of the container 3 and on the other. part against the inner wall of the outer casing 4.
  • the honeycomb structure 44 is in the form of ribs obtained by rotational molding of the container 3.
  • this same structure 44 contains cavities obtained by overmolding a thermoplastic resin, such as polyethylene, on the container 3.
  • a thermoplastic resin such as polyethylene
  • buffer layer 41 of thermoplastic foam-based material is placed between the cover 13 and the layer 7 of material 8 filling the space 5.
  • all the materials used in the container can make the latter a disposable product considering the cost.
  • the invention also relates to a process specially designed for the manufacture of the container for fluids with internal pressure such as, in particular, liquids and / or gases exerting a pressure from the inside of the container to the outside thereof.
  • a container 3 is formed. It can, for example, operate by extrusion blow molding.
  • An outer casing 4 is formed, suitable for including this container 3, in particular by folding a blank 40 of cardboard such as that shown in FIG. 4.
  • This figure shows dashed lines, they constitute, in the particular embodiment corresponding, fold lines.
  • a bottom 12 is thus obtained from an overlap of the flaps 29, 30, 31, 32.
  • a reinforcing plate 37 provided with a housing 20 is superposed.
  • the container 3 is centered in the outer casing 4 by means of relative positioning means 6.
  • These relative positioning means 6 comprise, for example, a nipple 21 which, for example, fits into the housing 20. centering, in addition, by positioning a plate constituting a cover 13 of the outer casing 4 by means of an orifice 22 made in this cover 13 cooperating with a neck 23 of the container 3.
  • This container 3 and the outer envelope 4 thus define between them a space 5.
  • the outer casing 2 is then placed in a shaper and, when necessary, the container 3 can be filled with a fluid able to exert a back pressure.
  • This fluid may, for example, be water.
  • the shaper comprises projections involved in the formation of handles 39.
  • a material 8 is then inserted to completely fill the space 5 by orifices 18.
  • the latter are, for example, constituted by at least one of the handles 39 left free to access before the complete closure of the shaper.
  • the material 8 which may be, for example, a thermoplastic foam, is subjected to expansion and this expansion can be controlled by means of a buffer layer 40.
  • a buffer layer 40 This latter thus provides a filling clearance which makes it possible not to damage the container 3 and the outer shell 4 during expansion.
  • the latter can be controlled, moreover, for example, thanks to a suitable temperature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Packages (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • External Artificial Organs (AREA)

Abstract

An internally pressurized fluid vessel, in particular for liquids and/or gases exerting pressure outwards from the container has a sandwich structure capable of withstanding the internal pressure. The vessel has an interior container, an outer jacket in which the container is positioned and a material filling the space between the container and the outer jacket.

Description

La présente invention a pour objet un récipient pour fluide avec pression interne, tel que des liquides et/ou gaz exerçant une pression de l'intérieur du récipient vers l'extérieur de celui-ci.The present invention relates to a fluid container with internal pressure, such as liquids and / or gases exerting a pressure of the interior of the container towards the outside thereof.

Elle trouvera notamment son utilisation dans tous les domaines économiques dans lesquels on est amené à manutentionner et/ou stocker des fluides avec pression interne.It will find particular use in all economic areas in which one is led to handle and / or store fluids with internal pressure.

Il pourra s'agir, par exemple, de récipients dans lesquels le fluide exerce une pression interne due à sa nature propre, tels que des fûts à boissons gazeuses et/ou fermentantes, des bouteilles de gaz, des extincteurs ou autres.It may be, for example, containers in which the fluid exerts an internal pressure due to its own nature, such as soft drinks and / or fermenting drums, gas bottles, extinguishers or other.

Il pourra s'agir également, par exemple, de récipients dans lesquels la pression interne exercée par le fluide vient de la pression d'un réseau de distribution dans lequel ils sont intégrés, tels que des chauffe-eaux à accumulation, des vases d'expansion de chauffage central, des filtres de piscine, des filtres à sable, des réservoirs de circuits de freins, des réservoirs de fontaines d'eau, des réservoirs d'air comprimé ou autres.It may also be, for example, containers in which the internal pressure exerted by the fluid comes from the pressure of a distribution network in which they are integrated, such as storage water heaters, vases of central heating expansion, pool filters, sand filters, brake circuit tanks, water fountain tanks, compressed air tanks or others.

Aussi, une des applications concerne une utilisation de la présente invention, par exemple, dans l'industrie de la brasserie comme conditionnements de fluides alimentaires tels que de la bière. Celle-ci n'est toutefois pas limitative.Also, one of the applications relates to a use of the present invention, for example, in the brewery industry as packaged food fluids such as beer. This is not, however, limiting.

Actuellement, pour stocker et/ou transporter des fluides avec pression interne, on connaît différents types de récipients en matière thermoplastique comme du polyéthylène ou du polypropylène. Ces récipients présentent l'inconvénient de n'être pas assez résistant aux pressions internes lorsque celles-ci sont trop élevées. Leur résistance aux chocs est également faible.Currently, for storing and / or transporting fluids with internal pressure, different types of thermoplastic containers such as polyethylene or polypropylene are known. These containers have the disadvantage of not being resistant enough to internal pressures when they are too high. Their impact resistance is also low.

Un récipient d'un type particulier, comportant un récipient muni d'un chemisage en fibres de verre pour lui conférer une résistance à la pression et, entre ledit récipient et une enveloppe externe, un garnissage en au moins deux parties absorbant les chocs externes, est décrit dans le document WO-A-8 803 899 .A container of a particular type, comprising a container provided with a fiberglass liner to give it resistance to pressure and, between said container and an outer casing, a lining in at least two external shock-absorbing parts, is described in the document WO-A-8,803,899 .

D'autre part, on connaît différents types de récipients principalement métalliques à base d'acier inoxydable ou d'aluminium. Un inconvénient de ce type de récipients est d'être coûteux et lourd. En outre, ils obligent leurs utilisateurs à développer de nombreux efforts, notamment de recyclage d'où une augmentation du prix de revient final.On the other hand, there are various types of mainly metal containers based on stainless steel or aluminum. A disadvantage of this type of container is to be expensive and heavy. In addition, they force their users to develop many efforts, including recycling, resulting in an increase in the final cost price.

Le but de la présente invention est de proposer un récipient qui permette de pallier les inconvévients des dispositifs connus et qui soit à la fois résistant à une pression interne et léger par rapport au récipient principalement métallique évoqué plus haut.The object of the present invention is to provide a container that overcomes the drawbacks of known devices and is both resistant to internal pressure and light compared to the mainly metal container mentioned above.

Un autre but de la présente invention est de proposer un récipient résistant également aux chocs mécaniques externes.Another object of the present invention is to provide a container also resistant to external mechanical shocks.

Un autre but de la présente invention est de faciliter son utilisation grâce à ses caractéristiques de poids et de forme.Another object of the present invention is to facilitate its use due to its weight and shape characteristics.

Un autre but de la présente invention est de proposer un récipient présentant, en outre, des caractéristiques d'isolation thermique et d'imperméabilité aux gaz et aux liquides correspondant à la nature et aux propriétés du fluide contenu.Another object of the present invention is to provide a container having, in addition, characteristics of thermal insulation and impermeability to gases and liquids corresponding to the nature and properties of the fluid contained.

Un autre but de la présente invention est de proposer, accessoirement, un récipient jetable, compte tenu de son coût de revient.Another object of the present invention is to provide, incidentally, a disposable container, given its cost.

D'autres buts et avantages de la présente invention apparaîtront au cours de la description qui va suivre qui n'est donnée qu'à titre indicatif et qui n'a pas pour but de la limiter.Other objects and advantages of the present invention will become apparent from the following description which is given for information only and which is not intended to limit it.

L'invention a pour objet un récipient selon la revendication 1.The invention relates to a container according to claim 1.

L'invention sera mieux comprise si l'on se réfère à la description suivante ainsi qu'aux dessins en annexe qui en font partie intégrante.The invention will be better understood by reference to the following description and the accompanying drawings which form an integral part thereof.

La figure 1 est une vue en perspective d'un des modes de réalisation d'un récipient conforme à la présente invention.Figure 1 is a perspective view of one embodiment of a container according to the present invention.

La figure 2 est une vue de dessus du récipient représenté à la figure précédente.Figure 2 is a top view of the container shown in the previous figure.

La figure 3 est une vue en coupe suivant la ligne III-III de la figure 2.FIG. 3 is a sectional view along line III - III of FIG. 2.

La figure 4 présente un flan en carton apte à constituer un fond et des côtés de l'enveloppe extérieure du récipient représenté à la figure 1.FIG. 4 shows a cardboard blank capable of constituting a bottom and sides of the outer casing of the container represented in FIG.

La figure 5 présente une vue partielle de côté d'une variante de réalisation de la couche de matériau remplissant intégralement l'espace entre le contenant et l'enveloppe extérieure.Figure 5 shows a partial side view of an alternative embodiment of the material layer completely filling the space between the container and the outer shell.

La figure 6 est une coupe partielle de face suivant la ligne VI-VI de la figure 5.FIG. 6 is a partial sectional view along the line VI-VI of FIG. 5.

La figure 7 est une vue partielle en coupe suivant la ligne III-III d'un mode de réalisation d'un orifice du récipient conforme à l'invention.FIG. 7 is a partial sectional view along the line III-III of an embodiment of a orifice of the container according to the invention.

La présente invention a pour objet un récipient pour fluides avec pression interne, tels que des liquides et/ou gaz exerçant une pression de l'intérieur du récipient vers l'extérieur de celui-ci. Elle s'applique à tous les domaines économiques où l'on utilise des fluides avec pression interne.The present invention relates to a container for fluids with internal pressure, such as liquids and / or gases exerting a pressure of the interior of the container to the outside thereof. It applies to all economic areas where fluids with internal pressure are used.

Le mode particulier de réalisation développé ci-dessous s'applique, par exemple, dans le domaine de la brasserie ou autre, à des fluides alimentaires comme, par exemple de la bière. Néanmoins, cela n'est en aucun cas une limitation de son application.The particular embodiment developed below applies, for example, in the field of brewery or other, to food fluids such as, for example beer. Nevertheless, this is in no way a limitation of its application.

La figure 1 présente une vue en perspective du mode particulier de réalisation évoqué ci-dessus. Sa structure est détaillée aux figures suivantes.Figure 1 shows a perspective view of the particular embodiment mentioned above. Its structure is detailed in the following figures.

Si l'on se réfère plus précisément aux figures 2 et 3, le récipient pour contenir des fluides avec pression interne 1 présente une structure sandwich 2.Referring more specifically to FIGS. 2 and 3, the container for containing fluids with internal pressure 1 has a sandwich structure 2.

Dans le secteur de la brasserie, par exemple, la pression interne peut être reprise jusqu'à 7 bars. La présente structure sandwich 2 est apte à résister à de tels efforts.In the brewery sector, for example, the internal pressure can be taken up to 7 bar. The present sandwich structure 2 is able to withstand such efforts.

Pour résister à la pression interne, elle comprend un contenant 3 pour le fluide 1 et une enveloppe extérieure 4 définissant ainsi entre eux un espace 5. La structure sandwich 2 comprend également des moyens de positionnement relatifs 6 du contenant 3 et de l'enveloppe extérieure 4 et une couche 7 d'un matériau 8 remplissant intégralement l'espace 5.To withstand the internal pressure, it comprises a container 3 for the fluid 1 and an outer casing 4 thus defining between them a space 5. The sandwich structure 2 also comprises relative positioning means 6 of the container 3 and the outer casing 4 and a layer 7 of a material 8 completely filling the space 5.

C'est grâce à la coopération de ce contenant 3, de cette enveloppe extérieure 4 et de cette couche 7 que le récipient peut résister à des pressions internes élevées grâce à l'effet dit "effet sandwich" qui permet une distribution et une répartition des efforts de pression. La structure sandwich 2 est d'autant plus efficace que la couche 7 épouse parfaitement à la fois la surface extérieure du contenant 3 et la surface intérieure de l'enveloppe extérieure 4 et ne contient aucune hernie.It is thanks to the cooperation of this container 3, this outer shell 4 and this layer 7 that the container can withstand high internal pressures thanks to the so-called "sandwich effect" which allows a distribution and distribution of pressure efforts. The sandwich structure 2 is all the more effective that the layer 7 perfectly fits both the outer surface of the container 3 and the inner surface of the outer casing 4 and contains no hernia.

Toujours suivant la figure 3, le contenant 3 présente, par exemple une base 9 et un sommet 10 équipé, par exemple, d'un goulot 23. Dans le mode particulier de réalisation exposé à cette figure, cette base 9 et ce sommet 10 présentent une forme se rapprochant le plus possible d'un demi ellipsoide de révolution. Ce profil permettra, comparé à d'autres volumes présentant des arêtes saillantes, de mieux répartir les efforts exercés par la pression interne du contenu.Still following Figure 3, the container 3 presents, for example a base 9 and an apex 10 equipped, for example, with a neck 23. In the particular embodiment shown in this figure, this base 9 and this vertex 10 have a shape that is as close as possible to a half ellipsoid of revolution. This profile will, compared to other volumes with salient edges, to better distribute the forces exerted by the internal pressure of the content.

Dans ce même mode de réalisation, le contenant est également constitué d'un corps latéral 11 reliant la base 9 et le sommet 10. Ce corps 11 se présente, par exemple, sous une forme se rapprochant d'un cylindre. Ceci permet d'augmenter le volume intérieur du contenant 2. Celui-ci présente ainsi une forme qui concilie capacité volumétrique et résistance aux efforts de pression. Il comprend, au moins un orifice.In this same embodiment, the container also consists of a lateral body 11 connecting the base 9 and the top 10. This body 11 is, for example, in a shape approximating a cylinder. This makes it possible to increase the interior volume of the container 2. This thus has a shape that reconciles volumetric capacity and resistance to pressure forces. It includes, at least one orifice.

Suivant un des modes de réalisation de l'invention non représenté, le contenant 2 peut également être renforcé par des cerclages métalliques ou autres. Ces derniers permettent d'assurer une meilleure tenue à la pression.According to one of the embodiments of the invention not shown, the container 2 may also be reinforced by metal or other hoops. These allow to ensure a better resistance to pressure.

Si l'on se reporte à la figure 1, on constate que l'enveloppe extérieure 4 est, par exemple, de forme parallélépipédique. Elle permet, notamment, d'inclure le contenant 3. Suivant les figures 2 et 3, elle est constituée d'un fond 12, d'un couvercle 13 et de côtés latéraux 43.Referring to FIG. 1, it can be seen that the outer casing 4 is, for example, of parallelepipedal shape. It makes it possible, in particular, to include the container 3. According to FIGS. 2 and 3, it consists of a bottom 12, a cover 13 and lateral sides 43.

Pour éviter la détérioration de l'enveloppe extérieure 4 lors de manipulations du fluide, le couvercle 13 présente, par exemple, une face extérieure 19 imperméabilisée.To avoid deterioration of the outer casing 4 during handling of the fluid, the cover 13 has, for example, an impervious outer face 19.

Suivant d'autres modes de réalisation non représentés, l'enveloppe extérieure 4 peut également se présenter sous une forme polyédrique ou autre suivant les contraintes de manutention et/ou de stockage qui correspondent à son utilisation.According to other embodiments not shown, the outer casing 4 may also be in a polyhedral or other form depending on the handling and / or storage constraints that correspond to its use.

La figure 3 montre également un exemple particulier de réalisation des points de contact fixes 42. Suivant ce mode, ces moyens de positionnement relatifs 6 sont constitués, par exemple, d'une part, d'un logement 20 ménagé dans le fond 12. Il coopère avec un téton 21 de centrage, prévu à la base 9 du contenant 3.FIG. 3 also shows a particular embodiment of the fixed contact points 42. In this mode, these relative positioning means 6 are formed, for example, on the one hand, a housing 20 formed in the bottom 12. It cooperates with a centering pin 21, provided at the base 9 of the container 3.

Le logement 20 et le téton 21 sont par exemple de forme cylindrique. Le téton 21 est constitué, lors de la réalisation du contenant 3, par exemple, par extrusion soufflage .The housing 20 and the pin 21 are for example of cylindrical shape. The pin 21 is constituted, during the production of the container 3, for example, by extrusion blow molding.

Les moyens de positionnement relatifs 6 comprennent également, par exemple, un orifice 22, ménagé dans le couvercle 13. Il coopère avec le goulot 23 prévu au sommet 10 du contenant 3.The relative positioning means 6 also comprise, for example, an orifice 22, formed in the cover 13. It cooperates with the neck 23 provided at the top 10 of the container 3.

Suivant le mode particulier de réalisation représenté à la figure 3, les moyens de positionnement relatifs 6 comprennent, en outre, par exemple, une rondelle joint 25 intercalée entre l'orifice 22 du couvercle 13 et le goulot 23 du contenant 3.According to the particular embodiment shown in FIG. 3, the relative positioning means 6 further comprise, for example, a washer 25 interposed between the orifice 22 of the lid 13 and the neck 23 of the container 3.

Par ailleurs, le contenant 3 comprend, en outre, par exemple, une canne de remplissage et/ou soutirage 24. Cette canne 24 est munie de moyens pour l'obturer de manière étanche connus de l'homme de l'art et non représentés sur les différentes figures. La rondelle joint 25 est munie d'un orifice taraudé 26 coopérant avec un filetage 27 usiné à l'une des extrémités de la canne 24.Furthermore, the container 3 further comprises, for example, a filling rod and / or withdrawal 24. This rod 24 is provided with means for closing tightly known to those skilled in the art and not shown on the different figures. The washer 25 is provided with a threaded orifice 26 cooperating with a thread 27 machined at one end of the rod 24.

A la figure 7, on peut voir un mode particulier de réalisation de l'orifice du contenant 3. Une pièce 50, de révolution, constituant un presse-étoupe, est munie dans sa partie inférieure d'un taraudage 49 et dans sa partie supérieure de l'orifice taraudé 26. Elle est ainsi apte à solidariser le contenant 3, au niveau du taraudage 49, et la canne 24 grâce à son filetage 27. Cette liaison est rendue étanche grâce à un joint élastique supérieur 47 et un joint élastique inférieur 48.In Figure 7, we can see a particular embodiment of the orifice of the container 3. A part 50, of revolution, constituting a gland, is provided in its lower part with a thread 49 and in its upper part. of the threaded orifice 26. It is thus adapted to secure the container 3, at the tapping 49, and the rod 24 through its thread 27. This connection is sealed thanks to an upper elastic seal 47 and a lower elastic seal 48.

Suivant les figures 2 et 4, l'enveloppe extérieure 4 est constituée, plus précisément, par exemple, d'une caisse 28, connue sous le nom de demi-caisse américaine. Cette caisse 28 comprend des rabats 29, 30, 31, 32 constituant un prolongement de surfaces planes 14, 15, 16, 17 constituant les côtés 43. Ces rabats 29, 30, 31, 32 sont munis de bords 33, 34, 35, 36 jointifs. Ils renforcent ainsi l'équerrage de l'enveloppe extérieure 4.According to Figures 2 and 4, the outer casing 4 is constituted, more specifically, for example, a box 28, known as the American half-box. This box 28 comprises flaps 29, 30, 31, 32 constituting an extension of flat surfaces 14, 15, 16, 17 constituting the sides 43. These flaps 29, 30, 31, 32 are provided with edges 33, 34, 35, 36 joined. They reinforce thus the squareness of the outer envelope 4.

Cette dernière comprend, en outre, par exemple, une plaque de renforcement 37 du fond 12 dans laquelle est ménagé le logement 20. Dans ce mode de réalisation, certaines des surfaces planes 14, 15, 16, 17 comprennent au moins un orifice 18 d'insertion du matériau 8 remplissant intégralement l'espace 5.The latter further comprises, for example, a reinforcing plate 37 of the bottom 12 in which the housing 20 is formed. In this embodiment, some of the flat surfaces 14, 15, 16, 17 comprise at least one orifice 18 insertion of the material 8 completely filling the space 5.

Le couvercle 13 est solidaire de ces surfaces planes 14, 15, 16, 17 grâce à un repli 38.The lid 13 is secured to these flat surfaces 14, 15, 16, 17 by means of a fold 38.

Dans d'autres modes de réalisation, on peut rencontrer une caisse 28 de type connu sous le nom de caisse américaine. Le logement 20 et l'orifice 22 peuvent être réalisés directement dans des rabats de la caisse 28 correspondante.In other embodiments, a box 28 of the type known as the American cash register can be encountered. The housing 20 and the orifice 22 can be made directly in flaps of the corresponding box 28.

Pour faciliter la manutention, l'enveloppe extérieure 2 comprend en outre, par exemple, des poignées 39. Selon le mode particulier de réalisation représenté, elles sont constituées par les orifices 18 oblongs prolongés par des réservations ménagées dans le matériau 8 remplissant intégralement l'espace 5.To facilitate handling, the outer casing 2 further comprises, for example, handles 39. According to the particular embodiment shown, they are constituted by the oblong orifices 18 extended by reservations in the material 8 completely filling the space 5.

Les matériaux de la structure sandwich 2 sont choisis d'après leur propriété.The materials of the sandwich structure 2 are chosen according to their property.

Le contenant 3 est, par exemple, réalisé à partir d'une matière thermoplastique plus particulièrement apte à faciliter le formage et à assurer l'imperméabilité aux liquides et aux gaz. Il pourra s'agir soit de polyéthylène ou de polypropylène ou, dans un autre mode de réalisation, de métal, de verre ou autreThe container 3 is, for example, made from a thermoplastic material more particularly capable of facilitating the forming and to ensure impermeability to liquids and gases. It may be either polyethylene or polypropylene or, in another embodiment, metal, glass or other

L'enveloppe extérieure 4 est réalisée, par exemple, à partir d'un flan 40 de carton, de bois, ou de stratifié léger à base, par exemple de matière thermoplastique et/ou thermodurcissable, ou autre. Dans le cas d'un carton, il pourra s'agir d'un plaqué et/ou d'un ondulé.The outer casing 4 is made, for example, from a blank 40 of cardboard, wood, or lightweight laminate based, for example thermoplastic and / or thermosetting, or other. In the case of a carton, it may be a veneer and / or a corrugated.

Le matériau 8 remplissant intégralement l'espace 5 est composé d'une mousse thermodurcissable et/ou thermoplastique, expansée ou non, choisie pour ses propriétés de résistance mécanique. Il pourra s'agir, par exemple, d'un polychlorure de vinyl, d'un polychlorure de vinylidène, d'un polyuréthane ou autre.The material 8 completely filling the space 5 is composed of a thermosetting and / or thermoplastic foam, expanded or not, chosen for its strength properties. It may be, for example, polyvinyl chloride, polyvinyl chloride or vinylidene, polyurethane or the like.

Dans un autre mode de réalisation, exposé aux figures 5 et 6, la couche 7 de matériau 8 remplissant intégralement l'espace 5 se présente sous la forme d'une structure 44, dite en nids d'abeilles constituée, par exemple, à partir de matière thermoplastique. Cette structure 44 en nids d'abeilles présente, par exemple, des alvéoles 45 d'axes longitudinaux 46, sensiblement perpendiculaires au contenant 3 et à l'enveloppe extérieure 4.In another embodiment, shown in FIGS. 5 and 6, the layer 7 of material 8 that completely fills the space 5 is in the form of a honeycomb structure 44, constituted, for example, from of thermoplastic material. This honeycomb structure 44 has, for example, cavities 45 of longitudinal axes 46, substantially perpendicular to the container 3 and to the outer casing 4.

Selon une première variante de réalisation, cette structure 44 en nids d'abeilles comprend, par exemple, des alvéoles revêtues de chaque côté d'un non-tissé qui est collé d'une part contre la paroi extérieure du contenant 3 et d'autre part contre la paroi intérieure de l'enveloppe extérieure 4.According to a first variant embodiment, this honeycomb structure 44 comprises, for example, cavities coated on each side with a nonwoven which is glued on the one hand against the outer wall of the container 3 and on the other. part against the inner wall of the outer casing 4.

Dans une autre variante de réalisation, la structure 44 en nids d'abeilles se présente sous la forme de nervures obtenues par roto-moulage du contenant 3.In another variant embodiment, the honeycomb structure 44 is in the form of ribs obtained by rotational molding of the container 3.

Dans une autre variante de réalisation, cette même structure 44 contient des alvéoles obtenues par surmoulage d'une résine thermoplastique, comme du polyéthylène, sur le contenant 3.In another variant embodiment, this same structure 44 contains cavities obtained by overmolding a thermoplastic resin, such as polyethylene, on the container 3.

Cela étant, dans le mode de réalisation particulier de l'invention représenté à la figure 3, on remarque, en outre, une couche tampon 41 de matière thermoplastique à base de mousse alvéolaire. Elle est placée entre le couvercle 13 et la couche 7 de matériau 8 remplissant l'espace 5.However, in the particular embodiment of the invention shown in Figure 3, there is also noted a buffer layer 41 of thermoplastic foam-based material. It is placed between the cover 13 and the layer 7 of material 8 filling the space 5.

Suivant un mode particulier de réalisation de l'invention, l'ensemble des matériaux utilisés dans le récipient peut faire de ce dernier un produit jetable compte tenu du coût.According to a particular embodiment of the invention, all the materials used in the container can make the latter a disposable product considering the cost.

L'invention a également pour objet un procédé spécialement conçu pour la fabrication du récipient pour fluides avec pression interne tels que, notamment, des liquides et/ou gaz exerçant une pression de l'intérieur du récipient vers l'extérieur de celui-ci.The invention also relates to a process specially designed for the manufacture of the container for fluids with internal pressure such as, in particular, liquids and / or gases exerting a pressure from the inside of the container to the outside thereof.

Suivant l'invention, on forme un contenant 3. On peut, par exemple, opérer par extrusion-soufflage.According to the invention, a container 3 is formed. It can, for example, operate by extrusion blow molding.

On forme une enveloppe extérieure 4, apte à inclure ce contenant 3, notamment, par pliage d'un flan 40 de carton comme celui représenté à la figure 4. Cette figure montre des lignes en pointillés, elles constituent, dans le mode de réalisation particulier correspondant, des lignes de pliage.An outer casing 4 is formed, suitable for including this container 3, in particular by folding a blank 40 of cardboard such as that shown in FIG. 4. This figure shows dashed lines, they constitute, in the particular embodiment corresponding, fold lines.

On obtient ainsi un fond 12 à partir d'un recouvrement des rabats 29, 30, 31, 32. On superpose une plaque de renforcement 37 munie d'un logement 20.A bottom 12 is thus obtained from an overlap of the flaps 29, 30, 31, 32. A reinforcing plate 37 provided with a housing 20 is superposed.

On centre le contenant 3 dans l'enveloppe extérieure 4 grâce à des moyens de positionnement relatifs 6. Ces moyens de positionnement relatifs 6 comprennent, par exemple, un téton 21 qui, par exemple, s'emmanche dans le logement 20. On perfectionne le centrage, en outre, en positionnant une plaque constituant un couvercle 13 de l'envelopppe extérieure 4 grâce à un orifice 22 réalisé dans ce couvercle 13 coopérant avec un goulot 23 du contenant 3.The container 3 is centered in the outer casing 4 by means of relative positioning means 6. These relative positioning means 6 comprise, for example, a nipple 21 which, for example, fits into the housing 20. centering, in addition, by positioning a plate constituting a cover 13 of the outer casing 4 by means of an orifice 22 made in this cover 13 cooperating with a neck 23 of the container 3.

Ce contenant 3 et l'enveloppe extérieure 4 définissent ainsi entre eux un espace 5.This container 3 and the outer envelope 4 thus define between them a space 5.

On place alors l'enveloppe extérieure 2 dans un conformateur et, lorsque cela s'avère nécessaire, on peut remplir le contenant 3 d'un fluide apte à exercer une contre-pression. Ce fluide peut, par exemple, être de l'eau.The outer casing 2 is then placed in a shaper and, when necessary, the container 3 can be filled with a fluid able to exert a back pressure. This fluid may, for example, be water.

Suivant le mode particulier de réalisation présenté, le conformateur comprend des saillies participant à la formation de poignées 39.According to the particular embodiment presented, the shaper comprises projections involved in the formation of handles 39.

On insère ensuite un matériau 8 pour remplir intégralement l'espace 5 par des orifices 18. Ces derniers sont, par exemple, constitués par au moins une des poignées 39 laissée libre d'accès avant la fermeture complète du conformateur.A material 8 is then inserted to completely fill the space 5 by orifices 18. The latter are, for example, constituted by at least one of the handles 39 left free to access before the complete closure of the shaper.

Selon les cas, on soumet le matériau 8 qui peut être, par exemple, une mousse thermoplastique, à une expansion et on peut contrôler cette expansion grâce à une couche tampon 40. Celle-ci réalise ainsi un jeu de remplissage qui permet de ne pas endommager le contenant 3 et l'enveloppe extérieure 4 lors de l'expansion.Depending on the case, the material 8 which may be, for example, a thermoplastic foam, is subjected to expansion and this expansion can be controlled by means of a buffer layer 40. This latter thus provides a filling clearance which makes it possible not to damage the container 3 and the outer shell 4 during expansion.

Cette dernière peut être contrôlée, en outre, par exemple, grâce à une température adaptée.The latter can be controlled, moreover, for example, thanks to a suitable temperature.

Naturellement, d'autres mises en oeuvre de la présente invention à la portée de l'homme de l'art auraient pu être envisagées sans pour autant sortir du cadre des revendications.Naturally, other implementations of the present invention within the reach of those skilled in the art could have been envisaged without departing from the scope of the claims.

Claims (14)

  1. A vessel for fluids having internal pressure comprising:
    (a) a container (3) for fluid, said container having a base (9), a top (10) having a shape approaching that of a semi-ellipsoid of revolution, and a lateral member (11) the shape of which approaches that of a cylinder, and being provided with at least one orifice (22);
    (b) an outer jacket (4) comprising a bottom (12), lateral sides (43) and a cover (13) closing the container;
    (c) means comprising at least two fixed points of contact (42) for the relative positioning of the container (3) and of the outer jacket (4) to define a space (5) between the container and the outer jacket, wherein said at least two fixed points of contact are centrally disposed adjacent to the base (9) and top (10) of the container (3); and
    (d) a layer (7) of material (8) filling the space (5),
    characterized in that the outer jacket (4) is comprised of a box (28) comprising a bottom (12), a cover (13) and lateral sides (43) whereas the lateral sides (43) are made of planar surfaces (14, 15, 16, 17) prolonged by flaps (29, 30, 31, 32).
  2. The vessel according to claim 1, characterized in that the flaps (29, 30, 31, 32) are provided with contiguous edges (33, 34, 35, 36).
  3. The vessel according to one of claims 1 or 2, characterized in that the outer jacket (4) is selected from an American half-caisson and an American caisson.
  4. The vessel according to claim 1, characterized in that the outer jacket (4) is made from a panel (40) of cardboard, of wood or of light laminate.
  5. The vessel according to claim 1, characterized in that the layer (7) of material (8) completely filling the space (5) has a honeycomb structure (44).
  6. The vessel according to claim 1, characterized in that at least the lateral sides (43) of the entire outer jacket (4) are formed from a single, contiguous piece of material.
  7. The vessel according to claim 1, characterized in that the cover (13) and the layer (7) of material (8) filling the space (5) are separated by a buffer layer (41) based on cellular foam.
  8. The vessel according to claim 1, characterized in that the outer jacket (4) comprises a box (28) of which
    the lateral sides (43) take the form of planar surfaces (14, 15, 16, 17), and are provided with at least one orifice (18) for insertion of material (8) to form a layer of material completely filling the space (5) and with a fold (38) for firmly attaching the cover (13) and the said lateral sides (14, 15, 16, 17), and
    the bottom has flaps (29, 30, 31, 32) extending from said planar surfaces, comprising prolonging edges (33, 34, 35, 36), liable to reinforcing the square shape, and a reinforcing plate (37) in which is arranged the seat (20).
  9. The vessel according to claim 1, wherein the said at least two fixed points of contact (42) comprise a seat (20) arranged in the bottom (22) and cooperating with a centering stud (21), provided at the base (9) of the container (3), as well as an orifice (22), arranged in the cover (13) and cooperating with the neck (23) provided at the top (10) of the container (3).
  10. The vessel according to claim 8, characterized in that the cover (13) and the layer (7) of material (8) filling the space (5) are separated by a buffer layer (41) composed of cellular foam-based thermoplastic foam and/or duroplastic material.
  11. The vessel according to anyone of claims 1 to 10, characterized in that the container (3) further comprises a filling and/or draining pipe (24).
  12. The vessel according to anyone of claims 1 to 10, characterized in that the container (3) for fluid has a shape approaching that of a semi-ellipsoid of revolution.
  13. The vessel according to anyone of claims 1 to 10, characterized in that said external jacket (4) is parallelepipedal, cylindrical or polyhedral in form.
  14. The vessel according to anyone of claims 1 to 10, characterized in that the layer (7) of material (8) completely fills the space (5), whereas the container (3), the layer of material (8) and the outer jacket (4) on their own and together form a sandwich structure for withstanding the internal pressure by distribution of stresses among the container (3), the layer (7) and the outer jacket (4).
EP95920135A 1994-05-11 1995-05-10 Internally pressurised fluid container Expired - Lifetime EP0804703B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9406025 1994-05-11
FR9406025A FR2719825B1 (en) 1994-05-11 1994-05-11 Fluid container with internal pressure.
PCT/FR1995/000613 WO1995031671A1 (en) 1994-05-11 1995-05-10 Internally pressurised fluid container

Publications (2)

Publication Number Publication Date
EP0804703A1 EP0804703A1 (en) 1997-11-05
EP0804703B1 true EP0804703B1 (en) 2008-01-09

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ID=9463277

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EP95920135A Expired - Lifetime EP0804703B1 (en) 1994-05-11 1995-05-10 Internally pressurised fluid container

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US (1) US5984132A (en)
EP (1) EP0804703B1 (en)
JP (1) JP2007315608A (en)
CN (1) CN1083964C (en)
AT (1) ATE383541T1 (en)
AU (1) AU2570895A (en)
CA (1) CA2189753C (en)
DE (1) DE69535682T2 (en)
FR (1) FR2719825B1 (en)
IN (1) IN191007B (en)
MA (1) MA23546A1 (en)
WO (1) WO1995031671A1 (en)

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Publication number Publication date
JP4035161B2 (en) 2008-01-16
DE69535682D1 (en) 2008-02-21
WO1995031671A1 (en) 1995-11-23
JP2007315608A (en) 2007-12-06
FR2719825A1 (en) 1995-11-17
JPH10503824A (en) 1998-04-07
AU2570895A (en) 1995-12-05
CN1083964C (en) 2002-05-01
CA2189753A1 (en) 1995-11-23
ATE383541T1 (en) 2008-01-15
US5984132A (en) 1999-11-16
FR2719825B1 (en) 1996-10-11
MA23546A1 (en) 1995-12-31
CA2189753C (en) 2006-11-14
IN191007B (en) 2003-09-13
CN1154736A (en) 1997-07-16
EP0804703A1 (en) 1997-11-05
DE69535682T2 (en) 2008-12-24

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