EP0300931B1 - Réservoir de fluide et son procédé de fabrication - Google Patents

Réservoir de fluide et son procédé de fabrication Download PDF

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Publication number
EP0300931B1
EP0300931B1 EP88420254A EP88420254A EP0300931B1 EP 0300931 B1 EP0300931 B1 EP 0300931B1 EP 88420254 A EP88420254 A EP 88420254A EP 88420254 A EP88420254 A EP 88420254A EP 0300931 B1 EP0300931 B1 EP 0300931B1
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EP
European Patent Office
Prior art keywords
envelope
reservoir
internal
internal envelope
thermoplastic material
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
EP88420254A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0300931A1 (fr
Inventor
Claude Léon Hembert
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Priority claimed from FR8710768A external-priority patent/FR2618524B1/fr
Priority claimed from FR8807256A external-priority patent/FR2632051B1/fr
Application filed by Individual filed Critical Individual
Priority to AT88420254T priority Critical patent/ATE67834T1/de
Publication of EP0300931A1 publication Critical patent/EP0300931A1/fr
Application granted granted Critical
Publication of EP0300931B1 publication Critical patent/EP0300931B1/fr
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
    • F17C1/12—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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0114—Shape cylindrical with interiorly 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0345—Fibres
    • F17C2203/035—Glass wool
    • 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
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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
    • 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
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    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
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    • F17C2203/0609—Straps, bands or ribbons
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    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0624—Single wall with four or more layers
    • 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
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    • F17C2203/00—Vessel construction, in particular walls or details thereof
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    • F17C2203/0646—Aluminium
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
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    • F17C2203/0648—Alloys or compositions of metals
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
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    • F17C2203/0656—Metals in form of filaments
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
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    • 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
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    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • F17C2203/0665—Synthetics in form of fibers or filaments radially wound
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
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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
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    • 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
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    • 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
    • F17C2205/0323—Valves
    • 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
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    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
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    • F17C2205/0338—Pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
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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
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    • F17C2209/21—Shaping processes
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    • F17C2223/0107—Single phase
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    • F17C2260/00—Purposes of gas storage and gas handling
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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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion

Definitions

  • the present invention relates to a reservoir for any fluid, such as gas at a pressure of the order of 10 to 500 bars (10 to 500 ⁇ 105 Pa), or a volatile flammable liquid or else a hydraulic fluid.
  • This reservoir is of the type comprising two concentric envelopes, namely an internal envelope intended to achieve fluid tightness and an external envelope intended to achieve mechanical strength.
  • This mechanical resistance is reinforced at the closed end of the container by a cup placed between the two envelopes.
  • a cup placed between the two envelopes, with which is associated a second part forming the neck, equipped with means for connection to pipes, regulator, valves, etc.
  • Such a reservoir is described in particular in French patent 2301746.
  • the cup and the neck have complementary flares facing outward, allowing the open edge of the reservoir to be pinched.
  • Document US-A-3840139 discloses a pressure tank comprising an internal envelope of thermoplastic material, and an external envelope with the interposition of a cup located on the side of the open end of the tank made in a single metal piece with a neck connection.
  • the part of the internal envelope located on the open side of the tank can be fixed on the metal part forming a neck and cup, over the entire contact surface between these two elements.
  • the outer surface of the cup and part of the outer surface of the neck are covered by the external envelope.
  • FR-A-2600750 (published on 31.12.87) on behalf of the Applicant provides an improved tank in which the neck and the cup, located on the side of the open end of the tank, are made in one piece, and in which the he inner shell is made of thermoplastic material. This tank is sealed using annular seals. However, these can have a defect or be damaged during assembly, which is relatively inconvenient. Long term leakage problems may therefore persist.
  • the present invention aims to provide a tank of this type, of simple construction, ensuring excellent sealing of the interior of the tank, without having to resort to sealing elements, such as seals.
  • the fluid reservoir of generally cylindrical shape which it relates to and which is of the type comprising an internal envelope made of thermoplastic material intended to produce the seal and an external envelope produced by filament winding and intended to ensure mechanical resistance, with the interposition between the two envelopes of a first cup located on the bottom side and a second cup located on the side of the open end of the tank, made in a single metal piece with a connection neck, the part of the inner casing located on the side of the open end of the reservoir being fixed on the metal part forming a neck and cup over the entire contact surface between the two elements, and the outside surface of the cup and part of the outside surface of the neck being covered by the outer shell, is characterized in that the connection between the inner shell and the metal part is produced by molding the internal envelope on the part, after the latter has been covered, on its surface with at least one layer of the thermoplastic material constituting the internal envelope, and after the part has been placed in the mold allowing the envelope to be obtained.
  • the two parts considered, neck and cup on the one hand, and inner envelope on the other hand, are completely integral with each other, so that the capacity thus produced is not subject to risk of leaks due to seals or detachment between the internal envelope and the stiffening insert when the capacity is subjected to very high pressure, as it exists in the case of gas pressure storage.
  • These assembled elements give the tank a seal and resistance excellent mechanics.
  • the internal face of the neck has, in its zone covered by the inner envelope, a recess of thickness corresponding substantially to the thickness of the envelope.
  • the inner casing is embedded in the neck, which further improves the conditions of connection with sealing between these two elements.
  • thermoplastic materials capable of constituting the internal envelope it is provided that at least the surface of the metal part intended to be in contact with the envelope is covered, prior to the assembly of these two elements, a layer of the thermoplastic material constituting the internal envelope allowing the attachment between said elements.
  • annular strip made of elastomeric material is interposed between the outer casing and at least one cup on the inclined surface of the latter so as to strengthen the mechanical connection between these two elements and to allow a certain possibility of radial displacement of the outer shell relative to the cup.
  • the reservoir comprises, over the entire contact surface between the metal part and the internal envelope, a two-component adhesion element constituted by a mixture of phenolic epoxy and of the thermoplastic material constituting the internal envelope considered.
  • the filament winding constituting the external envelope is advantageously a cross winding comprising fibers. coiled along the two diagonal planes of the cylindrical tank and fibers coiled along its circumference, so that the density of the fibers at the ends of the cylindrical tank is greater than that at its wall.
  • the reservoir is covered by a fire and thermal protective coating consisting of at least two layers, respectively inner and outer, the inner layer formed by a sheet of paper of ceramic fibers being intended to be fixed by one of its faces on the outer shell of the tank and to form a thermal barrier, the outer layer forming a fire protection capable of being brought into contact with flames consisting of a glass fabric / glass mat complex in which the glass fabric is mechanically bonded to the glass mat, itself fixed on the internal layer, this complex being coated or impregnated with a product for reinforcing the chemocatalytic effect.
  • a fire and thermal protective coating consisting of at least two layers, respectively inner and outer, the inner layer formed by a sheet of paper of ceramic fibers being intended to be fixed by one of its faces on the outer shell of the tank and to form a thermal barrier, the outer layer forming a fire protection capable of being brought into contact with flames consisting of a glass fabric / glass mat complex in which the glass fabric is mechanically bonded to the glass mat, itself fixed on the internal
  • the present invention also relates to a method of manufacturing the reservoir.
  • the reservoir designated by the general reference 2 of generally cylindrical shape, comprises an internal casing 3 made for example of polyamide, polypropylene or polyethylene, and an external casing 4 made, for example, of reinforced epoxy resin of glass fibers, and obtained by filament winding.
  • This tank is equipped, in a known manner and on the side of its closed end, with a bottom cup 5 , disposed between the two internal envelopes 3 and external 4 and made of a rigid material, such as bronze, mechanical stainless steel, alloy aluminum or stainless steel.
  • this part 6 comprises a tubular part 7 forming the neck, having a central passage 8 .
  • the end of the central passage 8 located on the outside is delimited by a tapped surface 9 allowing the connection of a tube, or else of a regulator or a tap.
  • the bottom cup 5 has a general shape identical to that of the metal part 6 .
  • This allows economical standardization of the metal parts 6 and 5 and it suffices to bore and tap a cup 5 to obtain a metal part 6 having a central passage 8 delimited by a tapping 9 .
  • the internal envelope 3 is shaped so as to have a cylindrical neck 14 extending over part of the length of the neck, and embedded in a recess 15 which the latter comprises, so that after mounting, there is a perfect continuity between the inner face of the envelope 3 and the inner face of the neck 8 .
  • the surface of the recess 15 and the surface 12 constitute the contact surface 16 between the metal part 6 and the internal envelope 3 which are integral with each other over this entire contact surface 16 .
  • this connection can be obtained by means of a two-component adhesion element constituted by a mixture of phenolic epoxy and polyamide covering the entire surface. contact 16 . It may, for example, be a mixture of phenolic epoxy and polyamide 11 , sold under the brands "RILPRIM 204" and "RILSAN NATUREL ES4".
  • the phenolic epoxy "RILPRIM 204" is, first of all, applied to the metal part 6, after which the assembly is brought to temperature before projection of the polyamide "RILSAN NATURAL ES4" and securing of the envelope of synthetic material, for example inside a mold.
  • the metal-synthetic bond thus produced which can withstand high mechanical stresses, provides excellent sealing.
  • bottom cup 5 can be fixed in the same way as the part 6 on the internal envelope 3 according to a connection having the characteristics described above.
  • the external envelope 4 covers the inclined external surface 13 of the cup 10 as well as part of the external surface of the neck 7 .
  • the filament winding constituting this external envelope 4 is, in fact, a crossed winding carried out along the two diagonal planes of the cylindrical tank 2 and along its circumference so that the density of the fibers at the ends of the cylindrical tank 2 is greater to that at its cylindrical wall.
  • This arrangement improves the mechanical strength of the tank and, in the event of bursting due to an internal overpressure, avoids its disintegration into several pieces. Indeed, in this case, it produces only a rupture along a band of limited surface, and localized in the cylindrical wall of least resistance.
  • annular strip 22 made of elastomeric material is interposed between the internal envelope 4 and each cup 10 , 5 on the inclined surface 13 of the latter.
  • This arrangement makes it possible to considerably reduce the stresses at the two ends of the tank 2 .
  • the fluid reservoir 2 also comprises a coating 17 for fire and thermal protection shown partially in the drawing, and comprising two layers, namely an inner layer 18 and an outer layer 19 .
  • the inner layer 18 is a sheet of paper made from ceramic fibers. This sheet 18 has a thickness chosen between 0.5 and 5 millimeters and a very low coefficient of thermal conductivity. It resists heat up to temperatures of around 1400 ° C.
  • This inner layer 18 is bonded by one of its faces to the outer envelope 4 and its other face is also assembled by bonding with the outer layer 19 of the coating 17 .
  • the latter is constituted by a fire-resistant complex glass fabric 20 / glass mat 21 assembled mechanically by any means known per se, in particular by tying points.
  • the glass mat 21 of the complex 19 is bonded during manufacture to the inner layer 18 , while the glass fabric 20 forms the surface of the coating 17 liable to be exposed to flames.
  • the complex 19 has a thickness of between 0.9 and 2 millimeters. It is also previously coated with an urea / formaldehyde resin etherified with a reactive system of the acrylonitrile / acrylate butadiene type in the presence of a catalyst of the thiocyanate type.
  • This resin is a product for reinforcing the chemocatalytic effect which makes it possible to increase the non-combustibility of the complex 19 .
  • the adhesive used for assembling the inner layer 18 to the outer layer 19 and for fixing the covering 17 to the outer envelope 4 is a non-flammable synthetic adhesive, for example a one-component epoxy resin, solvent-free, thermosetting and resistant to temperatures above 800 ° C.
  • the coating 17 has a thickness of 5 to 6 millimeters and can take any shape due to its flexibility.
  • the method of manufacturing the reservoir in its preferred embodiment described below consists, first of all, of cleaning and degreasing the metal part 6 using an organic solvent such as acetone, then degas it in an oven heated to around 300 ° C, in order to completely remove the grease and the solvent.
  • thermoplastic material of said shell 3 Is then applied at least on the surface 16 of the metallic part 6 intended to be in contact with the inner casing 3 a layer of the constituent thermoplastic material of said shell 3.
  • This application can be carried out by spraying the thermoplastic material or by immersing the part 6 in a hot fluidized bath of said material.
  • the mold is then heated, while the thermoplastic material considered, previously introduced into said mold, is brought into fusion therein so as to produce the internal envelope 3 by molding.
  • mold heating means are concentrated at each of its ends so that the heating temperature of the latter is higher than that of its central part connecting said ends.
  • the cylindrical internal envelope 3 is demolded, and a filament winding is then carried out around it along its two diagonal planes and along its circumference in order to obtain the external envelope 4 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
EP88420254A 1987-07-21 1988-07-20 Réservoir de fluide et son procédé de fabrication Expired - Lifetime EP0300931B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88420254T ATE67834T1 (de) 1987-07-21 1988-07-20 Fluessigkeitsbehaelter und sein herstellungsverfahren.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8710768A FR2618524B1 (fr) 1987-07-21 1987-07-21 Reservoir de fluide sous pression
FR8710768 1987-07-21
FR8807256A FR2632051B1 (fr) 1988-05-24 1988-05-24 Revetement de protection anti-feu et thermique
FR8807256 1988-05-24

Publications (2)

Publication Number Publication Date
EP0300931A1 EP0300931A1 (fr) 1989-01-25
EP0300931B1 true EP0300931B1 (fr) 1991-09-25

Family

ID=26226136

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88420254A Expired - Lifetime EP0300931B1 (fr) 1987-07-21 1988-07-20 Réservoir de fluide et son procédé de fabrication

Country Status (16)

Country Link
US (1) US4925044A (es)
EP (1) EP0300931B1 (es)
CN (1) CN1023149C (es)
AR (1) AR248451A1 (es)
AU (1) AU618009B2 (es)
BR (1) BR8803635A (es)
CA (1) CA1326832C (es)
DE (1) DE3865135D1 (es)
DK (1) DK168023B1 (es)
ES (1) ES2026682T3 (es)
FI (1) FI87269C (es)
GR (1) GR3003061T3 (es)
HU (1) HU201394B (es)
MX (1) MX170112B (es)
NO (1) NO170552C (es)
NZ (1) NZ225472A (es)

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Also Published As

Publication number Publication date
FI87269C (fi) 1992-12-10
NO170552B (no) 1992-07-20
AR248451A1 (es) 1995-08-18
HU201394B (en) 1990-10-28
NZ225472A (en) 1991-03-26
NO883221D0 (no) 1988-07-20
AU1921688A (en) 1989-01-27
US4925044A (en) 1990-05-15
CA1326832C (fr) 1994-02-08
GR3003061T3 (en) 1993-02-17
AU618009B2 (en) 1991-12-12
DE3865135D1 (de) 1991-10-31
ES2026682T3 (es) 1992-05-01
EP0300931A1 (fr) 1989-01-25
CN1031273A (zh) 1989-02-22
MX170112B (es) 1993-08-09
FI883436A0 (fi) 1988-07-20
NO170552C (no) 1992-10-28
FI87269B (fi) 1992-08-31
DK168023B1 (da) 1994-01-17
NO883221L (no) 1989-01-23
CN1023149C (zh) 1993-12-15
HUT50522A (en) 1990-02-28
DK392588A (da) 1989-01-22
DK392588D0 (da) 1988-07-14
BR8803635A (pt) 1989-02-08
FI883436A (fi) 1989-01-22

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