EP2483591A1 - Bouteille de gaz dual-phase ou complex-phase - Google Patents
Bouteille de gaz dual-phase ou complex-phaseInfo
- Publication number
- EP2483591A1 EP2483591A1 EP10773126A EP10773126A EP2483591A1 EP 2483591 A1 EP2483591 A1 EP 2483591A1 EP 10773126 A EP10773126 A EP 10773126A EP 10773126 A EP10773126 A EP 10773126A EP 2483591 A1 EP2483591 A1 EP 2483591A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bottle
- deformation
- gas
- phase
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 42
- 239000010959 steel Substances 0.000 claims abstract description 42
- 238000003466 welding Methods 0.000 claims abstract description 16
- 230000009977 dual effect Effects 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000000137 annealing Methods 0.000 description 6
- 238000010606 normalization Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009661 fatigue test Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/14—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminium; constructed of non-magnetic steel
-
- 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
- F17C2201/058—Size portable (<30 l)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0639—Steels
-
- 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
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/22—Assembling processes
- F17C2209/221—Welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
- F17C2209/232—Manufacturing of particular parts or at special locations of walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/23—Manufacturing of particular parts or at special locations
- F17C2209/234—Manufacturing of particular parts or at special locations of closing end pieces, e.g. caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
-
- 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
- F17C2221/032—Hydrocarbons
- F17C2221/035—Propane butane, 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
- F17C2223/01—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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/011—Improving strength
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/07—Applications for household use
- F17C2270/0745—Gas bottles
Definitions
- the invention relates to a "Dual Phase” steel or “Complex Phase” steel gas cylinder corresponding to the draft European standard prEN10338 comprising two half-shells welded together, the one forming the upper part of said bottle being provided, substantially at its top by welding, a receiving flange of a gas distribution valve.
- the present invention is in the field of gas cylinders designed in steel known as “Dual Phase” steel called “two-phase” or “double phase” in French, or steel called “complex phase” that is to say “phase complex "in French. These steels are covered by the draft standard prENl0338.
- draft standard prEN10338 relates to "cold-rolled flat products in multiphase steels for cold forming" in which the so-called “Dual Phase” (DP) steels and the “Complex Phase” (CP) steels are more particularly described. .
- the "two-phase" steel is a ferritic matrix steel containing a second martensitic phase present in the form of islands and optionally bainite as a complementary phase. Because of their high level of tensile strength, DP steels have a low yield strength ratio and a high coefficient of work hardening.
- the latter is a ferritic / bainitic matrix steel containing small amounts of martensite, residual austenite and / or perlite. Extreme grain refining is caused by delayed recrystallization or precipitation of the microalloy elements.
- a low pressure steel gas cylinder consists of two half-shells designed by stamping that is assembled by welding. At the top of the half-shell intended to form the part the top of the bottle is formed an opening at which is welded a flange provided for receiving a gas valve. More particularly, in the center of this collar may be provided a thread in which can be screwed this valve. As for the half-shell forming the lower part of the bottle, it can receive, if necessary, a ring intended to form the foot of the bottle and ensure its stability to the ground.
- bottles made of classic steel, are designed according to the following steps:
- the thus-finished bottle is subjected to a normalization annealing heat treatment, the purpose of which is to eliminate the stresses in the steel as a result of the mechanical deformations during stamping and the heating during the various welds;
- Such cylinders thus designed in conventional steel have mechanical characteristics, more particularly an elastic resistance, called (Re) and a resistance to rupture, said (Rm) substantially identical at all points of the bottle due to the normalization annealing step giving the steel a standardized microstructure.
- the fatigue test which consists of subjecting the bottle to the maximum pressure before plastic deformation a very large number of times, revealed that the performance of these bottles is generally dependent on the quality of the welds and the annealing, while that breaks have no preferential localization.
- the thickness of this bottle may be smaller compared to the thickness of the steel bottles conventionally used before.
- the bottle can be of a lower weight.
- the stamping stress has the effect of increasing the elastic resistance (Re) and the breaking strength (Rm) of the material, these stresses are not uniformly applied to the sheet to obtain the two half - shells brought to design the bottle.
- the dome of these half-shells forming, as the case, the lower part or the upper part of the bottle, is less solicited by this stamping operation and, consequently, has an elastic resistance (Re) and a resistance at break (Rm) weaker.
- This welding operation has for therefore subject the material to high temperature stresses.
- substantially at the level of this weld of the collar there is a zone having been thermally affected, knowing that the effects of this weld can not be eliminated by a normalization annealing operation.
- the invention relates to a "Dual Phase” or “Complex Phase” steel gas cylinder comprising two half-shells welded together, the one forming the upper part of said bottle being provided, substantially at its top by welding, of a receiving collar of a gas distribution valve, characterized in that this half-shell forming the upper part of the bottle comprises a deformation in the form of at least one boss and / or at least one recess circling the receiving flange of the gas valve.
- the advantages deriving from the present invention consist in that, on the periphery of the receiving flange of the gas distribution valve, a deformation to the material, more particularly to the DP steel constituting the half-shell forming the upper part of the bottle, the elastic resistance Re and the breaking strength Rm of the material in the immediate vicinity of the zone thermally affected by the welding of the said material are improved. collar. Also, this deformation, in the form of strapping, better resistant to deformation stresses, has the direct consequence of limiting the stresses to the thermally affected zone when the bottle is pressurized.
- the invention also relates to a method of manufacturing such a "Dual Phase” or “Complex Phase” steel gas cylinder, characterized in that:
- one of the half-shells is cut into a hole
- this half-shell Before or after welding, in this half-shell is formed a deformation in the form of at least one boss and / or at least one recess.
- Figure 1 shows schematically and in perspective a gas cylinder according to the invention
- FIG. 2 shows schematically and front view of a gas cylinder according to the invention
- FIG. 3 shows schematically and seen from above the dome of the half-shell forming the upper part of the bottle
- the present invention is in the field of gas cylinders and more particularly in gas cylinders designed in steel known as “Dual Phase” (DP) or “Complex Phase” (CP) corresponding to the draft standard prENl0338.
- DP Dual Phase
- CP Complex Phase
- CP is manufactured according to the following process. To manufacture such a gas cylinder is first cut two identical discs made of steel "Dual Phase" said DP or “complex phase” said CP in a sheet or plate. Once these two disks obtained are stamped, using a stamping press, these two disks to compose two half-shells which are assembled by welding to form said gas cylinder. Following this stamping, one of the two half-shells is selected, which then becomes the upper part of the gas bottle while the other forms the lower part which can comprise base means.
- this half-shell is made a deformation in the form of at least one boss and / or at least one recess.
- this deformation is carried out by stamping.
- deformation is carried out during or after stamping of the half-shell intended to form the upper part of the bottle.
- the deformation is carried out during or after the cutting of the hole in this half-shell.
- the gas bottle 1 is generally in the form of a bottle and comprises two half-shells 2A and 2B, preferably assembled together by a weld 3.
- these two half-shells are in the form of a preferably cylindrical body ending in a spherical dome, ellipsoidal, paraboloidal or the like.
- one of the two half-shells 2 is designed to form the upper part of the bottle of gas 1, while the other forms its lower part.
- the half-shell 2B forming the lower part may comprise at its lower end a ring forming the feet of said gas cylinder 1.
- the half-shell 2A forming the upper part comprises more precisely at its top, forming a dome 4, a hole 5, of axis A.
- This hole 5 is preferably made by a punching operation in said half-shell 2A at the drawing end of the latter being specified that the present invention is not limited to this single embodiment. In particular, one could imagine cutting this hole at the very moment of stamping for the design of this half-shell 2A.
- this hole 5 is welded a flange 6 for receiving a gas distribution valve. It will be observed that there is around the collar 6 a weld seam.
- this collar 6 can be engaged in this hole 5 from the inside of the half-shell 2A.
- a recess at its periphery comes to form a stop in cooperation with the surroundings of this hole 5 by ensuring the positioning of this collar 6.
- this half-shell 2A forming the upper part of the gas cylinder 1 further comprises at least one deformation 7 in the form of at least one boss and / or at least one recess circling the collar 6 for receiving the valve. gas.
- this deformation 7 is formed by a stamping.
- this or these bosses and / or this or these recesses making it possible, by taking advantage of the particular characteristics of the steel DP or CP, to increase the elastic resistance (Re) and the breaking strength (Rm) of the gas bottle 1 at the dome of the upper part of the latter, more particularly near the flange 6 welded in the hole 5. Indeed, this zone has been thermally weakened by the welding between the flange 6 and the hole 5.
- the deformation or deformations that is to say the bosses and / or the or recesses are located in an area between the flange 6 and the cylindrical portion of the half-shell 2A.
- this deformation 7, which is a boss or recess, is at a distance, relative to the axis A of the hole 5, beyond one millimeter with respect to the outside edge of the weld bead of the collar 6.
- this boss creates a stiffening ring around said collar 6 tending to limit the deformation movements between the flange 6 and the half-shell 2A on which is welded it.
- this boss makes it possible, on the one hand, to deport the movements of the stresses undergone by the thermally affected zone to the outside of the latter and, on the other hand, to increase the rigidity of this zone.
- first boss or first recess is at a distance beyond one millimeter from the outer edge of the weld bead of the flange 6.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0956839A FR2950952B1 (fr) | 2009-10-01 | 2009-10-01 | Bouteille de gaz en acier double phase et procede de fabrication d'une telle bouteille |
| PCT/FR2010/052033 WO2011039463A1 (fr) | 2009-10-01 | 2010-09-28 | Bouteille de gaz dual-phase ou complex-phase |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2483591A1 true EP2483591A1 (fr) | 2012-08-08 |
| EP2483591B1 EP2483591B1 (fr) | 2013-09-11 |
Family
ID=41698460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10773126.7A Not-in-force EP2483591B1 (fr) | 2009-10-01 | 2010-09-28 | Bouteille de gaz dual-phase ou complex-phase |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2483591B1 (fr) |
| FR (1) | FR2950952B1 (fr) |
| WO (1) | WO2011039463A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015107871A1 (de) * | 2015-05-19 | 2016-11-24 | Schmitt Prof. Möhlmann & Collegen Wirtschaftskanzlei - lnsolvenzverwalter Aktiengesellschaft | Verfahren zur Oberflächenbehandlung einer Gasflasche |
| IT202100007097A1 (it) * | 2021-03-24 | 2022-09-24 | Renato Rinaldi | Metodo di realizzazione di una bombola per gas in pressione e relativa bombola |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2981556A (en) * | 1957-05-16 | 1961-04-25 | Bonney Forge & Tool Works | Welding stress-free outlet fitting |
| NO300033B1 (no) * | 1994-10-19 | 1997-03-24 | Norsk Hydro As | Fremgangsmåte for fremstilling av en trykkbeholder av aluminium |
| DE19914029C2 (de) * | 1999-03-27 | 2001-05-10 | Alugas Vertrieb Von Gasflasche | Gasflasche |
| PL213317B1 (pl) * | 2007-12-21 | 2013-02-28 | Elpigaz Spolka Z Ograniczona Odpowiedzialnoscia | Zbiornik cisnieniowy, zwlaszcza czterodennicowy |
-
2009
- 2009-10-01 FR FR0956839A patent/FR2950952B1/fr not_active Expired - Fee Related
-
2010
- 2010-09-28 EP EP10773126.7A patent/EP2483591B1/fr not_active Not-in-force
- 2010-09-28 WO PCT/FR2010/052033 patent/WO2011039463A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2011039463A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011039463A1 (fr) | 2011-04-07 |
| FR2950952B1 (fr) | 2011-11-18 |
| FR2950952A1 (fr) | 2011-04-08 |
| EP2483591B1 (fr) | 2013-09-11 |
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Legal Events
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