WO2024200460A1 - Ensemble de gonflage pour une structure gonflable - Google Patents
Ensemble de gonflage pour une structure gonflable Download PDFInfo
- Publication number
- WO2024200460A1 WO2024200460A1 PCT/EP2024/058144 EP2024058144W WO2024200460A1 WO 2024200460 A1 WO2024200460 A1 WO 2024200460A1 EP 2024058144 W EP2024058144 W EP 2024058144W WO 2024200460 A1 WO2024200460 A1 WO 2024200460A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inflation
- valve
- inflatable
- assembly
- tubes
- 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.)
- Ceased
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
- E04H2015/201—Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable tubular framework, with or without tent cover
-
- 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 the field of inflatable structures, more particularly of the type comprising air chambers or inflatable tubes forming part of the framework of enclosures, shelters or tents when it is covered with a canvas, or of any structure comprising an assembly of at least two inflatable tubes.
- enclosures comprising a framework made by assembling inflatable tubes connected together. Each tube is equipped with an inflation valve. After inflation, the tubes ensure the stiffening of the framework.
- These structures are generally self-supporting, once inflated they maintain their shape and support covers or doors, in the case of enclosures, or shelters, or they support other elements belonging to the structure.
- Such an enclosure is known from document FR 3080391.
- the enclosure comprises several inflatable modules connected to each other and comprising covers.
- An inflatable module has a frame composed of beams, spacers and crosspieces made from inflatable air chambers connected together.
- the air chambers comprise sealed tubes equipped with inflation valves and are placed within a textile envelope.
- two neighboring air chambers are connected to each other by means of a connecting pipe equipped with a closing clamp (or "clamp" in English) in order to isolate one air chamber from the other.
- the air chambers of the module are selectively inflated according to a pre-established operating procedure.
- the clamp present on a tube connecting two neighboring air chambers is in the open position, they are inflated from a single inflation point.
- the clamp is then closed to isolate one chamber from the other in order to isolate them in the event of failure of one of the chambers.
- An objective of the invention is to remedy the drawbacks of the aforementioned documents and to make it possible to simplify and make more flexible the air supply to an inflatable structure, while being reliable in operation.
- an inflation assembly for an inflatable structure comprising at least two inflatable tubes, said assembly comprising an inflation valve and two connecting pipes, each connecting pipe having a first end and a second end, as well as means for connecting the valve allowing it to be connected to each of said first ends of the connecting pipes, and where the second ends of the connecting pipes are capable of each being connected in a sealed manner to the air chamber of an inflatable tube so that the inflation of two different inflatable tubes is carried out by connecting said valve to a source of pressurized air.
- the invention proposes an inflation assembly for an inflatable structure comprising several inflatable tubes, in which at least two tubes are each connected by a connection pipe to a common inflation valve which is external to the tubes.
- the assembly thus produced makes it possible to inflate the two tubes, preferably adjacent, simultaneously when the inflation valve connected to the connection pipe is connected to a source of pressurized air.
- it is possible to inflate two adjacent tubes from a single inflation valve which is no longer integrated into the wall of one or each inflatable tube, as in the solutions of the prior art, but which is offset to the outside thereof, connected to the connection pipe which connects it from the outside to two internal air chambers of the two adjacent tubes.
- This inflation assembly thus makes it possible to eliminate the multiple valves of the inflatable structure, valves which were fully integrated into the construction of each inflatable tube, and replace them with external valves added to the system of connecting pipes thus connecting the inflatable tubes together.
- valve of the inflation assembly being capable of inflating and deflating the inflatable tubes to which it is connected, by inflation assembly, we understand an assembly capable of both inflating them when the valve is connected to a source of pressurized air, as well as deflating them by exposing the valve to the air.
- Said inflation valve may be supported at the upper part of a hollow body having a general T shape and where each of the lateral branches of said body may be connected to a first end of the connecting pipe.
- a three-branched body of the assembly is a rigid part which can better support the various components, for example one of its branches may form a seat for the inflation valve and the others for the two connecting pipes. This also makes it possible to offset the various components relative to each other for a better arrangement thereof within the assembly.
- Said inflation valve can be connected to said first end of each connecting pipe by means of a closing device allowing to pass from an open position in which it allows air communication between said two inflatable tubes and a closed position in which the air communication between the two tubes is stopped. This allows to isolate the valve from each inflatable tube and to allow the easy replacement of a faulty inflatable tube.
- Said valve can be removably mounted within the assembly. This allows an inflation valve to be easily installed within the assembly and removed to be replaced by another valve.
- Said inflation valve can be arranged at an equal distance from each inflatable tube. This allows good balancing of the assembly, the rigid body being connected to connecting pipes which are preferably flexible pipes.
- Said inflation valve may comprise a non-return valve. It may thus be capable of moving from an open position to a closed position under the action of a membrane acting as a non-return valve. This allows simplified operation of the assembly and makes the two inflatable tubes that it connects independent, the valve being in the closed position during operation.
- Said closing device may be a flap valve.
- a flap valve or butterfly valve type device comprises a disk which blocks the passage of air in the closed position, while in the open position the disk is rotated by an actuating rod.
- Such a device is of simplified construction and takes up little space.
- Each closure device may be connected by a mounting adapter to each first end of the connecting pipe. This has the advantage of ensuring easy assembly and disassembly of the components of the assembly.
- Assembly according to the invention characterized in that it comprises a pressure measuring device. This makes it possible to know the value of the pressure of the inflation gas inside an inflatable tube or both inflatable tubes.
- Said pressure measuring device is mounted on said hollow body opposite the inflation valve. This allows the weight of the components within the inflation assembly to be distributed in a balanced manner.
- Said inflatable sausage may have a tubular shape and it may be made from a polyurethane film or a polyurethane-coated fabric.
- Said second end of the connecting pipe can be connected by welding to the internal wall of the air chamber of said inflatable tube. This makes it possible to ensure increased sealing of their connection.
- the objective of the invention is also achieved with a method of inflating an inflatable structure comprising an inflation assembly according to the invention, characterized in that the inflation of two different inflatable tubes of said structure is carried out from an inflation valve which is arranged outside each of said tubes.
- Figure 1 is a schematic perspective view of the structure of an inflatable enclosure according to the state of the art
- Figure 2 is a perspective view on an enlarged scale of a part of the inflatable structure of Figure 1
- Figure 3 is a perspective view of an inflation assembly according to a first embodiment of the invention
- Figure 4 is a perspective view of a variant of the embodiment of Figure 3
- Figure 5 is a top view
- Figure 6a is a sectional view of the assembly
- Figure 6b is a three-dimensional sectional view on an enlarged scale of the valve of Figure 6a
- Figure 7 is a perspective view of an inflation assembly according to a second embodiment of the invention.
- the inflatable structure 100 of FIG. 1 is an enclosure comprising a framework 101 made from several inflatable tubes 10 of the state of the art.
- the inflatable tubes have a generally tubular shape, they are made from an airtight film by successive manufacturing and assembly operations to form a sealed air chamber. After manufacturing, the inflatable tubes are inserted into a textile envelope.
- the textile envelope can contain one or more inflatable tubes and is made by sewing in order to take the shape of an element of the enclosure framework, such as a beam, an arch or a crosspiece.
- Figure 2 illustrates by an enlarged view a part of the frame 101 of Figure 1 in which two adjacent inflatable tubes are noted whose air chambers are arranged in their respective textile envelopes. More particularly, a first vertical inflatable tube 102 and a second horizontal inflatable tube 103 adjacent to the first and assembled to it by a joining seam 107 of the frame 101 are observed.
- the first tube 102 comprises an inflation valve 104 integrated into its wall and communicating with the air chamber thereof to inflate and deflate it.
- the second inflatable tube 103 comprises a similar inflation valve.
- the air chambers of the two adjacent inflatable tubes also have an air flow connection using a connecting pipe 105 equipped with a closing clamp (or “clamp” in English) making it possible to isolate, when it is in the closed position, the first inflatable tube 102 relative to the second inflatable tube 103.
- the inflation assembly 10 of the invention is visible in FIGS. 3 to 7. More particularly with reference to FIG. 3, there is an inflation assembly 10 which comprises an inflation valve 12 and two connecting pipes, in particular a first connecting pipe 14 and a second connecting pipe 16, each connecting pipe having a first end 14a, respectively 16a and a second end 14b, respectively 16b.
- the inflation assembly 10 also comprises connection means 11 of the valve 12 making it possible to connect it to each of said first ends 14a, 16a of the connecting pipes 14 and 16.
- the second ends 14b and 16b of the connecting pipes 14 and 16 are capable of being each connected in a sealed manner to the air chamber of a different inflatable bladder.
- the inflation assembly 10 of the invention is mounted in the space between two adjacent inflatable tubes, such as tubes 102 and 103 of FIG. 2, replacing the connecting pipe 105.
- the second end 14b of the first connecting pipe 14 is fixed in an airtight manner, for example by high-frequency welding (HF welding), to the internal wall of the air chamber of a first inflatable tube 102.
- the second end 16b of the second connecting pipe 16 is fixed in an airtight manner, for example by high-frequency welding (HF welding) to the inner wall of the air chamber of the second inflatable tube 103.
- the air chamber of an inflatable tube is made from a polyurethane-based thermoplastic film or a polyurethane-coated fabric. The different parts of the film are assembled for example by high-frequency welding (HF welding).
- the thickness of the film used to manufacture the tube is between 100 and 300 ⁇ m, preferably between 100 and 160 ⁇ m.
- the inflation assembly 10 of the invention thus produced makes it possible to connect two different tubes 102, 103 in a sealed manner to a single inflation valve 12 external to the two tubes, or which does not belong to either of them, but is located in the space between two neighboring tubes, preferably at an equal distance from each.
- the inflation valve 12 is connected to a source of pressurized air, the simultaneous inflation of the first inflatable tube 102 and the second inflatable tube 103 is carried out, without one of these tubes being provided with an inflation valve in the wall of its internal chamber.
- connection means 11 of the inflation assembly 10 of FIGS. 3 and 4 comprise a T-shaped body 20, a body which is hollow inside and each branch 21, 22, 23 of which comprises at its end a thread allowing the connection of the body 20 with the other elements of the inflation assembly.
- the branch 21 of the body 20 ends at its end with a tip provided with a female thread which is capable of being assembled with the male thread of the inflation valve 20.
- the two axially opposite branches 22 and 23 each end with a male thread capable of being assembled with female threads of the two connectors 24 and 26 which carry the first ends 14a, respectively 16a of the pipes 14, respectively 16.
- the pipes 14, 16 are flexible pipes, made for example of silicone having an internal diameter of approximately 8 mm, an external diameter of approximately 14 mm and a length of between 60 and 80 mm. Their first ends 14a and 16a are mounted using a tight and airtight assembly, one in a connector 24 and the other in a connector 26.
- the connectors 24 and 26 are rigid parts made for example of PVC or PE.
- the body 20 is also a rigid part made for example of PVC or PE.
- the inflation assembly 10 of FIGS. 3 and 4 further comprises two closing clamps 15 and 17 each mounted on a pipe 14, respectively 16.
- the clamps are of the type molded in a single piece of plastic material and are capable of regulating the flow of air through the flexible pipe from an open position in which they allow air to pass to a completely closed position in which they pinch the flexible pipe and prevent the flow of air through the pipe.
- a clamp is of the type marketed by the company WANIKOU®.
- the inflation valve 12 is of the GAASTRA type, more precisely known under the reference GA-KITES GAASTRA KITE VENTIL from the company CORONATION®. It is of the type capable of moving from an open position, under the action of the pressure of the inflation air, to a closed position using a membrane acting as a non-return valve.
- An inflation valve 12 is shown in FIG. 6b. It comprises a body 32 having a generally tubular shape, provided in its lower part with a threaded portion 33 intended for its mounting in a corresponding thread of the body 20 of the assembly and a protective cap 31 in its upper part.
- the body of the valve is made of a plastic material, for example ABS.
- the cap 31 is removed to be able to connect the inside of the valve to the tip of an inflation pump.
- the valve 12 is thus directly connected to a source of pressurized air.
- the lower part of the body 32 ends with a flexible membrane 34 which can deform under the pressure of the air blown during inflation and move away from it in order to allow the air blown to pass through the orifices 35 of the valve towards the main conduit 50 of the body 20 of the assembly.
- FIG 4 illustrates an alternative embodiment of the inflation assembly 10 of Figure 3.
- the inflation assembly 10 further comprises an inflation pressure measuring device 30.
- the inflation pressure measuring device 30 is for example a pressure gauge, it is fixed on the body 20 opposite the inflation valve 12 so as to be in fluid communication with the pipes 14 and 16.
- the pressure gauge thus mounted measures the pressure existing in the two tubes when the closing clamps 15, 17 are open or, in a single inflatable tube when one of the clamps is closed and the other is open.
- the inflation pressure is generally between 0.1 and 0.5 bar, more preferably between 0.2 and 0.35 bar.
- Figures 5 to 7 illustrate an inflation assembly 10 according to a second embodiment of the invention.
- the inflatable tubes 102 and 103 to which the inflation assembly 10 of the invention is connected are shown in dotted lines in Figure 5 and are omitted in the representation of Figures 6 to 7 for clarity.
- the inflation assembly 10 according to this embodiment comprises flexible connecting pipes 14, 16 shorter than those of the embodiment of Figures 3 and 4.
- the second ends 14b, respectively 16b are connected by HF welding, using the bases 14c, respectively 16c, provided for this purpose, with the interior of the air chamber of each inflatable tube 102, respectively 103, thus forming an airtight connection therewith.
- the first ends 14a and 16a of the pipes 14, 16 are connected in an airtight manner by intermediate connectors 44 and 46 respectively to closing devices which are flap valves 45, 47 respectively, in turn connected in an airtight manner to the lateral inlets in a hollow, rigid body 40 of the assembly.
- the body 40 has a general T shape, with a main branch 50 and two lateral branches 48 and 50, it has three air circulation channels inside: a main channel 50' which connects it to the outlet of the inflation valve 12, main channel which branches into two lateral channels 48' and 49' each oriented towards a connecting pipe 14, 16 respectively, being connected in an airtight manner to each of the pipes.
- a pressure gauge or pressure measuring device 30 is mounted at the lower portion of the body 40 to measure the pressure therein.
- the inflation assembly according to this embodiment has more rigidity than that of the first embodiment and is easier to install, the intermediate connectors 44 and 46 being connectors made of PVC or PE, therefore more rigid than the silicone connecting pipes which are themselves shortened as much as possible.
- the pipes 14 and 16 are materialized by the outlet pipe of the elbow valves of the type of adhesive outlet valves of an inflatable tube such as the ONE PUMP valves marketed by the company WANIKOU®.
- the intermediate connectors 44 and 46 can be connected directly to the outlet pipes of these valves.
- the inflation assembly 10 is connected to the inflatable tubes 102 and 103 by being connected by the second ends of the connecting pipes 14, 16 and in a sealed manner to the air chambers thereof.
- the closing devices are open in order to allow air to circulate freely between the two inflatable tubes through the hollow body of the assembly 10.
- the air outlet of an air pump is then connected to the inlet of the inflation valve 12 and pressurized air is injected into the two inflatable tubes simultaneously.
- the pump is stopped and its tip is removed from the inflation valve.
- the protective cap of the valve is closed and also the closing devices located between the hollow body of the assembly and the connecting pipes so as to isolate the two inflatable tubes 102, 103 from each other.
- the inflation valve 12 is exposed to air after having chosen the open position of the closing devices of the inflation assembly 10.
- Other variants and embodiments of the invention may be envisaged within the scope of the invention as claimed. It is thus possible to use different types of inflation valves with the assembly of the invention.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
- Buffer Packaging (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24714487.6A EP4689326A1 (fr) | 2023-03-31 | 2024-03-26 | Ensemble de gonflage pour une structure gonflable |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2303158A FR3147309B1 (fr) | 2023-03-31 | 2023-03-31 | Ensemble de gonflage pour une structure gonflable |
| FRFR2303158 | 2023-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024200460A1 true WO2024200460A1 (fr) | 2024-10-03 |
Family
ID=87554570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2024/058144 Ceased WO2024200460A1 (fr) | 2023-03-31 | 2024-03-26 | Ensemble de gonflage pour une structure gonflable |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4689326A1 (fr) |
| FR (1) | FR3147309B1 (fr) |
| WO (1) | WO2024200460A1 (fr) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202016000836U1 (de) * | 2015-09-08 | 2016-03-10 | Westfield Outdoors Gmbh | Ein Typ von Zelt sowie Rahmen mit aufblasbaren Schläuchen |
| US20160201351A1 (en) * | 2015-01-12 | 2016-07-14 | Ryan Pirkle | Inflatable frame assembly |
| FR3080391A1 (fr) | 2018-04-18 | 2019-10-25 | Emmanuel Fievet | Hangar modulaire gonflable. |
| KR20200054481A (ko) * | 2018-11-11 | 2020-05-20 | 주식회사 세텍 | 안전성이 확보되는 에어텐트 |
-
2023
- 2023-03-31 FR FR2303158A patent/FR3147309B1/fr active Active
-
2024
- 2024-03-26 EP EP24714487.6A patent/EP4689326A1/fr active Pending
- 2024-03-26 WO PCT/EP2024/058144 patent/WO2024200460A1/fr not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160201351A1 (en) * | 2015-01-12 | 2016-07-14 | Ryan Pirkle | Inflatable frame assembly |
| DE202016000836U1 (de) * | 2015-09-08 | 2016-03-10 | Westfield Outdoors Gmbh | Ein Typ von Zelt sowie Rahmen mit aufblasbaren Schläuchen |
| FR3080391A1 (fr) | 2018-04-18 | 2019-10-25 | Emmanuel Fievet | Hangar modulaire gonflable. |
| KR20200054481A (ko) * | 2018-11-11 | 2020-05-20 | 주식회사 세텍 | 안전성이 확보되는 에어텐트 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4689326A1 (fr) | 2026-02-11 |
| FR3147309B1 (fr) | 2025-04-11 |
| FR3147309A1 (fr) | 2024-10-04 |
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