WO2004038268A1 - Valve de gonflage - Google Patents
Valve de gonflage Download PDFInfo
- Publication number
- WO2004038268A1 WO2004038268A1 PCT/IB2003/004651 IB0304651W WO2004038268A1 WO 2004038268 A1 WO2004038268 A1 WO 2004038268A1 IB 0304651 W IB0304651 W IB 0304651W WO 2004038268 A1 WO2004038268 A1 WO 2004038268A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- inflation valve
- housing
- disc
- opening
- filling nozzle
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
Definitions
- the present invention relates to inflation valves.
- the invention relates to inflation valves for inflating containers with non-rigid-walls.
- an inflation valve for inflating containers includes
- a housing including a first opening at a first end and a second opening at a second end, the housing being adapted to be secured to a container at the second end, and adapted to receive a gas filling nozzle at the first end;
- a resilient member associated with the housing and the disc, and being adapted in its inoperative position to hold the disc against the second opening to close it off, and when gas is released by the filling nozzle into the housing to allow the disc to move away from the second opening against the action of the resilient member.
- the container may have non-rigid walls.
- the first opening and the second opening may be perpendicular to each other.
- the housing may be provided with a plate shaped part for securing the valve to the container.
- the plate shaped part may be pivotally connected to the housing.
- the housing may be provided with guiding members at the second end to guide the disc.
- the disc may be provided with at least one washer.
- the housing may be provided with a circumferential ridge around the second opening and against which the disc abuts for closing off the second opening.
- the disc may be provided with a tubular part to receive the resilient member.
- the tubular part may be adapted to protect the resilient member from the gas filling nozzle.
- the resilient member may be an elongated rod slidingly arranged in a passage in the housing and having knobs at either end for preventing the rod from being withdrawn from the passage.
- the housing may be provided with guiding means for guiding the insertion of the gas filling nozzle in the first opening.
- the guiding means may be adapted to cooperate with locking means associated with the gas filling nozzle for locking the gas filling nozzle to the housing once inserted.
- the gas filling nozzle and the first opening may be sealed from the exterior by means of an o-ring.
- the gas filling nozzle may force the disc away from the second opening when the gas filling nozzle is locked in the first opening.
- the inflation valve may be adapted to enable measuring of air pressure inside the container.
- the resilient member may be a spring.
- the housing may be provided with a pin for deflating the container.
- the resilient member made be shaped as to cover the disc.
- the invention also extends to a container with non-rigid walls provided with an inflation valve as set out herein.
- the container may be a dunnage bag, a sack and/or any other flexible container to be pressurized.
- the housing and the filling nozzle may include cooperating threads.
- the gas filling nozzle may be provided with an external thread and the first opening of the housing with an associated internal thread.
- the housing may be made of plastics and may be injection moulded.
- the disc and/or the tubular part may be made of plastics, such as polycarbonate or silicon, and may be injection moulded.
- the resilient member may be made of suitable plastics material, such as silicon or rubber or other elastic material, and may be injection moulded.
- the disc and the resilient member may be manufactured by means of a two-step injection moulding process.
- the resilient member and the disc may be integrally formed.
- the resilient member and the disc may both be made of silicon.
- Figure 1 a top view of an inflation valve in accordance with a first embodiment of the invention.
- Figure 2 a sectional side view of the inflation valve seen along arrows II- II in Figure 1.
- Figure 3 a top view of an inflation valve in accordance with a second embodiment of the invention.
- Figure 4 a sectional side view of the inflation valve seen along arrows II- IV in Figure 3.
- an inflation valve in accordance with a first embodiment of the invention is shown.
- the inflation valve 10 includes a housing 12, a disc 14 and a resilient member in the form of a rod 16 slidingly mounted in a passage 17 in the housing 12.
- the rod 16 may also be in the form of a spring-like member, such as a coil spring.
- the housing 12 includes a first opening 18 at a first end 20 and a second opening 22 at a second end 24, the housing 12 being adapted to be secured to a container at the second end 24, and adapted to receive a gas filling nozzle (not shown) at the first end 20.
- the first opening 18 and the second opening 22 are perpendicular to each other.
- the housing 14 is generally made of plastics and by means of injection moulding.
- the disc 14 is adapted to close-off the second opening 22 and is held in its closing position by means of the resilient member or rod 16.
- the rod 16 has a widened part or collar 16.1 fitting into a recess 14.1 of the disc.
- the resilient member or rod 16 furthermore has a thickened part or knob 16.2 at its opposite end to prevent it from being pulled through the passage 17.
- the disc 14 is adapted to move away from the second opening 22 if gas is released by the filling nozzle (not shown) into the housing 12.
- the disc 14 is provided with a washer 26.
- the resilient member 16 is shaped as to cover the disc 14.
- the housing 12 may be provided with a plate shaped part 28 for securing the valve 10 to the container.
- the plate shaped part 28 can be formed so as to be pivotally connected to the housing 12.
- the housing 12 is provided with guiding members 30.1 , 30.2, 30.3, and 30.4 at the second end 24 to guide the disc 14.
- the housing 12 is also provided with a circumferential ridge 32 around the second opening 22 and against which the disc 14 abuts.
- the disc 12 is provided with a tubular part 34 to receive the resilient member 16.
- the tubular part 34 is adapted to protect the resilient member 16 from the gas filling nozzle and to enable the gas filling nozzle to push the disc 12 down during inflation so that the pressure inside the container can be determined.
- the disc 14 and the tubular part 34 is made of plastics, such as polycarbonate, and are injection moulded.
- the resilient member 16 is made of suitable plastics material, such as silicon or rubber or other elastic material, and is also injection moulded.
- the disc 14 and the resilient member 16 are conveniently manufactured by means of a two-step injection moulding process. In an alternative embodiment, the disc 14 and the resilient member 16 are integrally formed from silicon.
- the housing 12 is provided with guiding means 36 for guiding the insertion of the gas filling nozzle in the first opening 18.
- the guiding means 36 may be adapted to cooperate with locking means (not shown) associated with the gas filling nozzle once the gas filling nozzle is inserted in the first opening 14.
- the housing 12 can be provided with deflating means, e.g. a pin (not shown), for deflating the container when inflated.
- deflating means e.g. a pin (not shown), for deflating the container when inflated.
- the gas filling nozzle and the first opening 18 may be sealed from the exterior by means of an o-ring (not shown).
- the housing 12 and the filling nozzle include cooperating threads, e.g. the gas filling nozzle may be provided with an external thread and the first opening of the housing with an associated internal thread.
- the gas filling nozzle is inserted through the first opening 18 of the housing 12 and the gas filling nozzle is turned to enabling locking of the gas filling nozzle to the housing 12, the gas filling nozzle forces the tubular part 34 of the disc 14 towards the second opening 22 and thus the disc 14 away from the second opening 22, with the result that the second opening 22 is opened.
- This position enables measurement of the air pressure inside the container.
- the gas pressure forces the disc 14 away from the second opening 22 against the action of the resilient member 16, with the result that the second opening 22 is opened and the gas enters the container.
- the resilient member 16 pulls the disc 14 towards the second opening 22, and thus causing sealing and closing-off of the second opening 22.
- an inflation valve in accordance with a second embodiment of the invention is shown.
- the inflation valve 40 includes a housing 42, a disc 44 and a resilient member in the form of a rod 46 slidingly mounted in a passage 47 in the housing 42.
- the rod 46 may also be in the form of a spring-like member, such as a coil spring.
- the housing 42 includes a first opening 48 at a first end 50 and a second opening 52 at a second end 54, the housing 42 being adapted to be secured to a container at the second end 54, and adapted to receive a gas filling nozzle (not shown) at the first end 50.
- the first opening 48 and the second opening 52 are perpendicular to each other.
- the housing 44 is generally made of plastics and by means of injection moulding.
- the disc 44 is adapted to close-off the second opening 52 and is held in its closing position by means of the resilient member or rod 46.
- the rod 46 is integrally formed with the disc 44.
- the resilient member or rod 46 furthermore has a thickened part or knob 46.1 at its opposite end to prevent it from being pulled through the passage 47.
- a collar 56 is provided around the passage 47 in the housing 42 in order to protect the knob 46.1.
- the disc 44 is adapted to move away from the second opening 52 if gas is released by the filling nozzle (not shown) into the housing 42.
- the housing 42 may be provided with a plate shaped part 58 for securing the valve 40 to the container.
- the plate shaped part 58 can be formed so as to be pivotally connected to the housing 42.
- the housing 42 is also provided with a circumferential ridge 62 around the second opening 52 and against which the disc 44 abuts.
- the disc 42 is provided with a tubular part 64 to receive the resilient member 46.
- the tubular part 64 is adapted to protect the resilient member 46 from the gas filling nozzle and to enable the gas filling nozzle to push the disc 42 down during inflation so that the pressure inside the container can be determined.
- the tubular part 64 is made of plastics, such as polycarbonate, and are injection moulded.
- the disc 44 and the resilient member 46 are made of suitable plastics material, such as silicon or rubber or other elastic material, and are also injection moulded.
- the disc 44 and the resilient member 46 are conveniently manufactured by means of a two- step injection moulding process. Thus, the disc 44 and the resilient member 46 are integrally formed from silicon.
- the housing 42 is provided with guiding means 66 for guiding the insertion of the gas filling nozzle in the first opening 48.
- the guiding means 66 may be adapted to cooperate with locking means (not shown) associated with the gas filling nozzle once the gas filling nozzle is inserted in the first opening 44.
- the housing 42 can be provided with deflating means, e.g. a pin (not shown), for deflating the container when inflated.
- deflating means e.g. a pin (not shown), for deflating the container when inflated.
- the gas filling nozzle and the first opening 48 may be sealed from the exterior by means of an o-ring (not shown).
- the housing 42 and the filling nozzle include cooperating threads, e.g. the gas filling nozzle may be provided with an external thread and the first opening of the housing with an associated internal thread.
- the gas filling nozzle is inserted through the first opening 48 of the housing 42 and the gas filling nozzle is turned to enabling locking of the gas filling nozzle to the housing 42, the gas filling nozzle forces the tubular part 64 of the disc 44 towards the second opening 52 and thus the disc 44 away from the second opening 52, with the result that the second opening 52 is opened.
- This position enables measurement of the air pressure inside the container.
- the gas pressure forces the disc 44 away from the second opening 52 against the action of the resilient member 46, with the result that the second opening 52 is opened and the gas enters the container.
- the resilient member 46 pulls the disc 44 towards the second opening 52, and thus causing sealing and closing-off of the second opening 52.
- the inflation valve in accordance with the invention, provides a novel valve for containers with non-rigid walls such as dunnage bags, sacks and/or any other flexible containers to be pressurized.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Check Valves (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003272005A AU2003272005A1 (en) | 2002-10-23 | 2003-10-21 | Inflation valve |
EP03753846A EP1563212A4 (fr) | 2002-10-23 | 2003-10-21 | Valve de gonflage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA200208556 | 2002-10-23 | ||
ZA2002/8556 | 2002-10-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004038268A1 true WO2004038268A1 (fr) | 2004-05-06 |
WO2004038268A8 WO2004038268A8 (fr) | 2005-07-28 |
Family
ID=32178051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2003/004651 WO2004038268A1 (fr) | 2002-10-23 | 2003-10-21 | Valve de gonflage |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1563212A4 (fr) |
AU (1) | AU2003272005A1 (fr) |
WO (1) | WO2004038268A1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5839488A (en) * | 1997-05-29 | 1998-11-24 | Peters; Gerald L. | Hands-off low-air-loss quick-connect quick-disconnect fast-fill dunnage bag filling valve-nozzle assembly & system |
WO2000024599A1 (fr) * | 1998-10-28 | 2000-05-04 | Ronald Spencer Sampson | Valve d'arret de pression |
EP1103748A2 (fr) * | 1999-11-24 | 2001-05-30 | Carleton Technologies, Inc. | Soupape de gonflage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4102364A (en) * | 1977-07-29 | 1978-07-25 | Signode Corporation | Method of dunnage bag inflation |
AU2536184A (en) * | 1983-03-10 | 1984-09-13 | Besnainou, Charles | Plastics springs |
DE19605153A1 (de) * | 1996-02-13 | 1997-08-14 | Pfeiffer Erich Gmbh & Co Kg | Austragvorrichtung für Medien und Verfahren zur Herstellung einer Austragvorrichtung o. dgl. |
-
2003
- 2003-10-21 AU AU2003272005A patent/AU2003272005A1/en not_active Abandoned
- 2003-10-21 EP EP03753846A patent/EP1563212A4/fr not_active Withdrawn
- 2003-10-21 WO PCT/IB2003/004651 patent/WO2004038268A1/fr not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5839488A (en) * | 1997-05-29 | 1998-11-24 | Peters; Gerald L. | Hands-off low-air-loss quick-connect quick-disconnect fast-fill dunnage bag filling valve-nozzle assembly & system |
WO2000024599A1 (fr) * | 1998-10-28 | 2000-05-04 | Ronald Spencer Sampson | Valve d'arret de pression |
EP1103748A2 (fr) * | 1999-11-24 | 2001-05-30 | Carleton Technologies, Inc. | Soupape de gonflage |
Non-Patent Citations (1)
Title |
---|
See also references of EP1563212A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1563212A1 (fr) | 2005-08-17 |
AU2003272005A1 (en) | 2004-05-13 |
WO2004038268A8 (fr) | 2005-07-28 |
EP1563212A4 (fr) | 2005-12-07 |
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