WO1998044221A1 - Inflatable and deflatable device for a deployable and collapsible arch - Google Patents
Inflatable and deflatable device for a deployable and collapsible arch Download PDFInfo
- Publication number
- WO1998044221A1 WO1998044221A1 PCT/FR1998/000663 FR9800663W WO9844221A1 WO 1998044221 A1 WO1998044221 A1 WO 1998044221A1 FR 9800663 W FR9800663 W FR 9800663W WO 9844221 A1 WO9844221 A1 WO 9844221A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- beams
- inflatable
- envelope
- orifice
- pressurized fluid
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
- E04H2015/202—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework
- E04H2015/204—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework made from contiguous inflatable tubes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H15/00—Tents or canopies, in general
- E04H15/20—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
- E04H2015/206—Details of inflation devices, e.g. valves, connections to fluid pressure source
Definitions
- the present invention relates to an inflation and deflation device for a deployable and retractable arch.
- the inflatable arches comprise a plurality of longitudinal beams arranged side by side, means for sliding at least one end of the beams along at least one deployment and folding path and means for supply of said beams with pressurized fluid.
- This type of vaults is designed, among other things, to allow its deployment by simple inflation, as well as its retraction by deflation, which allows at will to cover a space in order to protect it from bad weather and to discover it in good weather.
- Such a vault can be used to temporarily cover large installations, such as stadiums with stands reserved for spectators.
- each beam has two opposite panels forming flanges and each constituting one of the lobes of the inner and outer wall of the arch and two lateral panels forming the core of the beam .
- the means for supplying each beam with inflation fluid are formed by at least one conduit passing through said beams and being extensible in its length, its stretching and its retraction being controlled by the deployment and retraction of the arch respectively.
- the supply duct is common to all the beams and communicates with each of said beams by a closable orifice controlled by shutter means and the supply duct sealingly passes through an opening arranged in each of the side panels .
- FR-A-2 734 856 is an inflatable arch in which the beams sliding means are formed by a pipeline for transporting the pressurized fluid for the inflation or deflation of the beams communicating, on the one hand, with at least one of its ends with the means for supplying pressurized fluid, and on the other hand, with the interior of at least one beam inflatable by at least one orifice formed in the wall of the pipe and provided with means shutter.
- the sealing means are formed by watertight doors associated with means for controlling their opening or closing.
- Such devices for inflating and deflating the beams are complex and expensive and pose sealing problems.
- the object of the invention is to propose an inflation and deflation device which is simple to implement and which makes it possible to avoid the drawbacks mentioned above.
- the invention therefore relates to an inflation and deflating device for a folding and retractable arch, comprising: - a plurality of inflatable beams, longitudinal and arranged side by side, each beam being formed by an envelope delimiting an outer sole and an insole in said arch, means for supplying the inflatable beams with pressurized fluid,
- the means for supplying the inflatable beams with pressurized fluid comprise: a supply orifice formed in the envelope of each of said beams,
- the supply orifice is formed on the outer sole or on the inner sole of the envelope of the corresponding beam
- the means for transferring the pressurized fluid are formed, for each of said beams, by at least one flexible pipe, a first end of which is tightly fixed to the supply orifice of the corresponding beam and a second end of which is connected to said selective fluid distribution means,
- the first ends of the flexible pipes are offset longitudinally with respect to each other for storage one next to the other in the folded position of the arch, the first end of each flexible pipe has a portion penetrating 1 inside 1 '' envelope of the corresponding beam by a sealed crossing, -
- the watertight bushing is formed, on the one hand, by a flange connected to the first end of the corresponding flexible piping and arranged on the external face of the envelope of the corresponding inflatable beam and, on the other hand, by a counter flange disposed on the internal face of this envelope, said flange and said counter-flange being interconnected by connecting members by pinching said envelope with the interposition of a seal;
- the portion of each flexible pipe is formed by a spring fixed on the counter flange,
- each flexible pipe is supported by a pass, for example made of fabric fixed on the envelope of the corresponding beam near the watertight crossing,
- the selective means for distributing the fluid are formed by a distribution box connected to said pressurized fluid generator and by a plurality of parallel cylinders, each cylinder having a first orifice connected to a flexible pipe and a second orifice provided with a member shutter movable between a closed position of said second orifice and an open position communicating the corresponding flexible piping with the distribution box,
- the shutter member is formed by a valve mounted at the free end of a piston of a jack arranged in the distribution box,
- the number of cylinders is equal to the number of inflatable beams or to the number of groups of inflatable beams communicating with each other
- the means for transferring the pressurized fluid are formed by flexible tubing, a first end of which is intended to be connected successively to the supply orifices of the inflatable beams and of which a second end is connected to said generator of pressurized fluid
- the selective means for distributing the fluid are formed by a closing element mounted on each supply port of the inflatable beams and displaceable by the first end of the flexible tubing between a position for closing said supply port and a position d opening of this orifice placing the flexible piping in communication with the interior of the envelope of the corresponding inflatable beam,
- the closing element is formed by a non-return valve arranged in a first part of a fitting fixed on the supply orifice of the envelope of the inflatable beam and intended to be connected to a second part of said fitting. attached to the first end of the flexible piping.
- FIG. 1 is a schematic perspective view of a deployable and retractable arch
- - Fig. 2 is a schematic sectional view of a portion of the vault of FIG. 1
- - Fig. 3 is a schematic perspective view of a first embodiment of an inflation and deflation device according to the invention
- Fig. 4 is a schematic cross-sectional view of the beams of the vault in the folded position and showing the distribution of the means for transferring the fluid from the device of FIG. 3
- - Fig.5 is a schematic sectional view of the selective means for distributing the fluid of the device of Fig. 3
- FIG. 7 is a schematic sectional view of a second embodiment of an inflation and deflation device according to the invention.
- FIG. 1 there is shown schematically an inflatable arch 1 made up of a plurality of inflatable longitudinal beams A, B, C ... M, N and which are arranged side by side to form the arch 1.
- the beams A, B, C ... are independent of each other or connected to each other longitudinally by suitable means.
- These beams A, B, C ... are connected at each of their ends to foundation means or ballast 2 fixed to the ground. According to a variant, these beams can move on at least one deployment or folding path formed for example by a rigid beam.
- each beam A, B, C ... consists of a tubular and continuous envelope 4 ensuring the continuity of
- this vault 1 is equipped with means for supplying the inflatable beams A, B, C ... with fluid under pressure.
- these means for supplying inflatable beams A, B, C ... with pressurized fluid comprise:
- This device consists of a supply orifice 10 formed in the casing 4 of each of the inflatable beams A, B, C ..., of a generator of pressurized fluid 11 and of means for transferring the pressurized fluid between said supply orifice 10 and said generator 11.
- the feed orifice 10 is formed on the outer sole 7 of the envelope 4 or on the inner sole 8 of said envelope 4 of each of the beams
- the means for transferring the pressurized fluid are formed, for each of the beams A, B, C ..., by flexible piping, respectively 12a, 12b, 12c ...
- Each flexible pipe 12a, 12b, 12c has a first end 13a, 13b, 13c ... fixed in leaktight manner on the supply orifice 10 of the corresponding beam A, B, C ... and a second end 14a, 14b, 14c ... connected to selective means 20 for distributing the fluid under pressure.
- the first ends 13a, 13b, 13c ... of the flexible pipes 12a, 12b, 12c ... are spread longitudinally relative to each other for storage next to the others in the folded position of the arch 1, which makes it possible to reduce the size of the folded arch 1.
- the selective means 20 for distributing the fluid under pressure are formed, on the one hand, by a distribution box 21 connected to the generator 11 of fluid under pressure by a flexible pipe 22 and, on the other hand, by a plurality of parallel cylinders, respectively 23a, 23b, 23c. ..
- the selective means 20 for distributing the pressurized fluid comprise three parallel cylinders 23a, 23b and 23c.
- selective means 20 for distributing the fluid can be juxtaposed one beside the other to inflate the set of beams A, B, C ..., as shown in FIG. 3, each of these selective means 20 ensuring the supply of pressurized fluid to three inflatable beams.
- a single selective means 20 for distributing the fluid can ensure the inflation of all the beams A, B, C ...
- Each cylinder 23a, 23b and 23c has a first orifice 24a, 24b and 24c connected to a flexible pipe 12a, 12b and 12c and a second orifice 25a, 25b and 25c provided with a closure member 26a, 26b, 26c movable between a closed position of said second orifice 25a, 25b, 25c and an open position placing the corresponding flexible tubing 12a, 12b and 12c in communication with the distribution box 21.
- Each shutter member 26a, 26b and 26c is formed by a valve mounted at the free end of a piston of a jack 27a, 27b, 27c disposed in the distribution box 21.
- the number of cylinders 23a, 23b, 23c ... is equal to the number of inflatable beams A, B, C ... or to the number of groups of inflatable beams communicating with each other.
- the first end 13a of the flexible pipe 12a has been shown, the first ends of the other flexible pipes 12b, 12c ... being identical.
- the first end 13a of the flexible tubing 12a comprises a portion 15 penetrating inside the envelope 4 of the corresponding beam A by a sealed passage designated as a whole by the reference 16.
- This sealed passage 16 is formed, on the one hand, by a flange 16a connected to the first end 13a of the flexible piping 12a and disposed on the external face of the envelope 4 of the inflatable beam A and, on the other hand, by a counter-flange 16b disposed on the internal face of this envelope 4.
- the flange 16a and the counter-flange 16b are connected together by connecting members 17 by pinching the casing 4 of the beam A with the interposition of a seal 17a.
- the portion 15 of the flexible pipe 12a is formed by a spring fixed on the counter-flange 16b.
- This portion 15 can be formed by any other suitable element.
- the portions of the ends 13a, 13b, 13c .... penetrating inside the envelope 4 of the corresponding beam are offset transversely from one beam to the other.
- the flexible tubing 12a is supported by a pass-through 18, for example made of fabric, fixed to the casing 4 of the corresponding beam A near the watertight crossing 16.
- the other flexible pipes are fixed in the same way on the corresponding beams.
- the deployment of the vault 1 is carried out as follows. First of all, the beam A is inflated. For this, the actuator 27a is controlled so that the shutter member 26a releases the orifice 25a so as to put the distribution box 21 into communication with the cylinder 23a and also with flexible tubing 12a.
- the start-up of the fan 11 is controlled so that the pressurized fluid enters the beam A passing through the box of distribution 21, the cylinder 23a and the flexible piping 12a.
- the orifice 25a When the beam A is inflated to the desired pressure, the orifice 25a is closed by bringing the shutter member 26a to its initial position by means of the jack 27a and the procedure is followed by successively opening the orifices 27b and 27c for successively inflating the beams B and C and so on to inflate all of the beams constituting the vault 1.
- the means for transferring the pressurized fluid are formed by a flexible pipe 30, a first end 30a of which is intended to be connected successively to the supply orifices 10 of the inflatable beams A, B, C ... and a second end, not shown, connected to the generator 11 of pressurized fluid.
- the selective means for distributing the fluid are formed by a closing element 31 mounted on each supply orifice 10 of the inflatable beams A, B, C ...
- This closing element 31 is formed for example by a non-return valve arranged in a first part 32a of a connector 32 fixed on the supply orifice 10 of the casing 4 of the inflatable beam A.
- This connector 32 comprises a second part 32b fixed on the end 30a of the flexible pipe 30 and intended to be connected to the first part 32a of said connector 32, as shown in FIG. 7.
- the closing element 31 is displaceable by the second part 32b of the connector 32 between a position for closing the supply orifice 10 and a position for opening this orifice 10 putting the generator 11 of pressurized fluid into communication. with the interior of the envelope 4 of the beam A by means of the flexible piping 30.
- the deployment of the arch 1 is carried out as follows.
- the beam A is inflated.
- the second part 32b fixed to the end of the flexible pipe 30 is connected to the first part 32a of the connector 32 fixed to the supply orifice 10 of the beam. AT.
- the generator 11 is started up in such a way that the pressurized fluid inflates the envelope 4 of the beam A.
- the second part 32b is removed from the first part 32a of the connector 32 so that the closure element 31 resumes its position for closing the supply orifice 10 under the effect of the pressure prevailing inside the casing 4 of the beam A .
- the closing element 31 can be returned to its initial position, for example by a spring.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98917289A EP1114227A1 (en) | 1997-04-02 | 1998-04-01 | Inflatable and deflatable device for a deployable and collapsible arch |
AU70542/98A AU7054298A (en) | 1997-04-02 | 1998-04-01 | Inflatable and deflatable device for a deployable and collapsible arch |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR97/04009 | 1997-04-02 | ||
FR9704009A FR2761712B1 (en) | 1997-04-02 | 1997-04-02 | DEVICE FOR INFLATING AND DEFLATING A DEPLOYABLE AND RETRACTABLE VAULT |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998044221A1 true WO1998044221A1 (en) | 1998-10-08 |
Family
ID=9505435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/000663 WO1998044221A1 (en) | 1997-04-02 | 1998-04-01 | Inflatable and deflatable device for a deployable and collapsible arch |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1114227A1 (en) |
AU (1) | AU7054298A (en) |
FR (1) | FR2761712B1 (en) |
WO (1) | WO1998044221A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104763209B (en) * | 2015-03-25 | 2017-03-29 | 东南大学 | A kind of inflation cable-membrane analysis of foldable expansion |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3059656A (en) * | 1958-10-20 | 1962-10-23 | Union Carbide Corp | Inflatable plastic structure |
FR2070982A5 (en) * | 1969-12-12 | 1971-09-17 | Marseille Grands Travaux | |
US4167204A (en) * | 1976-04-22 | 1979-09-11 | Creative Balloons, Inc. | Apparatus for inflating toy balloons |
GB2177737A (en) * | 1985-06-27 | 1987-01-28 | Richard Heath Rohmer | Inflatable frame |
JPH05125860A (en) * | 1991-07-22 | 1993-05-21 | Ohbayashi Corp | Heat insulating air film structure |
-
1997
- 1997-04-02 FR FR9704009A patent/FR2761712B1/en not_active Expired - Fee Related
-
1998
- 1998-04-01 AU AU70542/98A patent/AU7054298A/en not_active Abandoned
- 1998-04-01 EP EP98917289A patent/EP1114227A1/en not_active Withdrawn
- 1998-04-01 WO PCT/FR1998/000663 patent/WO1998044221A1/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3059656A (en) * | 1958-10-20 | 1962-10-23 | Union Carbide Corp | Inflatable plastic structure |
FR2070982A5 (en) * | 1969-12-12 | 1971-09-17 | Marseille Grands Travaux | |
US4167204A (en) * | 1976-04-22 | 1979-09-11 | Creative Balloons, Inc. | Apparatus for inflating toy balloons |
GB2177737A (en) * | 1985-06-27 | 1987-01-28 | Richard Heath Rohmer | Inflatable frame |
JPH05125860A (en) * | 1991-07-22 | 1993-05-21 | Ohbayashi Corp | Heat insulating air film structure |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 17, no. 500 (M - 1477) 9 September 1993 (1993-09-09) * |
Also Published As
Publication number | Publication date |
---|---|
EP1114227A1 (en) | 2001-07-11 |
AU7054298A (en) | 1998-10-22 |
FR2761712B1 (en) | 1999-06-04 |
FR2761712A1 (en) | 1998-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1015717A1 (en) | Inflatable, deployable, and collapsible arch | |
EP0312429B1 (en) | Inflatable double-walled multiple vaulted structure | |
FR2772814A1 (en) | Inflatable canopy roof | |
FR2503687A1 (en) | TELESCOPIC CRANE ARROW | |
EP0517559B1 (en) | Inflatable deployable and retractable vaulted structure | |
EP0828910B1 (en) | Deployable and collapsible inflatable dome | |
WO1998044221A1 (en) | Inflatable and deflatable device for a deployable and collapsible arch | |
WO2005002960A1 (en) | Aerostat provided with an inflatable envelope having adjustable lifting volume | |
CA2823864A1 (en) | Inflation device | |
FR2711115A1 (en) | Method of making an inflatable fluid-tight enclosure provided with a valve | |
EP0241970B1 (en) | Method and device to develop a casing round an article, especially a satellite | |
FR2683305A1 (en) | IMPROVEMENT IN SYSTEMS COMPRISING AN EXTENDABLE DEPLOYABLE ELEMENT WITH PYROTECHNIC FUNCTION. | |
EP2933400A1 (en) | Device for protecting a tangible asset and use of such a device for protecting a tangible asset | |
EP0717484B1 (en) | Insulating support disc for a long distance, gasinsulated triphase cable | |
FR2521195A1 (en) | TRANSPORTABLE HOUSING | |
EP1064428B1 (en) | Device for rolling out on the floor a rolled stored temporary surface covering | |
EP0462858B1 (en) | Protection device against uncontrollable emissions of gas and insulation bag being part of such a device | |
EP0537077A1 (en) | Provisional sealing device for a pipe conveying any kind of fluid | |
FR2958312A1 (en) | METHOD AND DEVICE FOR AT LEAST PARTIAL CLOSURE OF A CAVITY, INSTALLATION, IN PARTICULAR FOR THE REPAIR OF AN ENGINE INCORPORATING SUCH A DEVICE | |
EP0537052A1 (en) | Obturator for a fluidum conduct | |
FR2812373A1 (en) | Inflatable plug for blocking a pipeline for maintenance consists of a pressurised gas cylinder surrounded by an inflatable membrane | |
FR2732380A1 (en) | METHOD AND DEVICE FOR MAINTAINING AN EVACUATION DRAINAGE DURING A PIPELINE CONSTRUCTION | |
EP3774577A1 (en) | Envelope-type flexible pouch for shipping items with inflatable protection device | |
BE881503A (en) | CONVEYOR FOR LOAD TRANSPORT ON AIR CUSHION | |
FR3031540A1 (en) | BOX FOR BOXING CONCRETE SLAB |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH GM GW HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW SD SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1998917289 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: JP Ref document number: 1998541257 Format of ref document f/p: F |
|
NENP | Non-entry into the national phase |
Ref country code: CA |
|
WWP | Wipo information: published in national office |
Ref document number: 1998917289 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1998917289 Country of ref document: EP |