EP0939875A1 - Bottle top - Google Patents

Bottle top

Info

Publication number
EP0939875A1
EP0939875A1 EP97945843A EP97945843A EP0939875A1 EP 0939875 A1 EP0939875 A1 EP 0939875A1 EP 97945843 A EP97945843 A EP 97945843A EP 97945843 A EP97945843 A EP 97945843A EP 0939875 A1 EP0939875 A1 EP 0939875A1
Authority
EP
European Patent Office
Prior art keywords
cap
compressed gas
bottle
cap according
shells
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
Application number
EP97945843A
Other languages
German (de)
French (fr)
Other versions
EP0939875B1 (en
Inventor
Ralf Igelhorst
Klemens Thoma
Ulrich Klebe
Wolfgang Grassl
Peter Neu
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.)
Air Liquide Deutschland GmbH
Messer Group GmbH
Original Assignee
Messer Griesheim GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of EP0939875A1 publication Critical patent/EP0939875A1/en
Application granted granted Critical
Publication of EP0939875B1 publication Critical patent/EP0939875B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/06—Closures, e.g. cap, breakable member
    • 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
    • F17C2205/0308—Protective 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • 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
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • 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
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)

Definitions

  • the invention relates to a cap for compressed gas cylinders.
  • EP 0 629 812 A1 describes a plastic cap for gas bottles with a lower part for attachment to the gas bottle and an upper part for protecting the valve, the lower part comprising a lateral projection with a curvature as a suspension device.
  • DE 44 40 298 A1 describes a protective valve collar for gas bottles which can be placed on the head section of a gas bottle and detachably attached to the valve sleeve.
  • EP 0 447 315 B1 describes a labeling and protective arrangement for the valve of a fluid container, a protective cap being attached to the handwheel of the valve.
  • WO 91/04197 describes a bell-shaped protective cap for compressed gas cylinders made of metal, which has an opening with a screw thread on the base side and a large side opening with an integrated handle and is open at the head.
  • the known protective devices or protective caps cannot be attached to the compressed gas bottle without first having to remove the pressure reducer from the cylinder valve. It has therefore not previously been possible to attach the protective device to an installed compressed gas cylinder.
  • the object of the invention is therefore to provide a protective device for compressed gas cylinders, the one connected to the compressed gas cylinder Protective device effectively protects the cylinder valve if the compressed gas cylinder falls over.
  • the protective device should form a unit with the compressed gas bottle if possible.
  • the protective device should be able to be attached and removed from the compressed gas cylinder with little effort and should not impair the functionality of the cylinder valve.
  • a cap for compressed gas cylinders which has two interconnected half-shells, an internal cavity for receiving the cylinder valve, at least one lateral recess and a recess on the head side and a device for attachment to the compressed gas cylinder, the cap being attached to the the cylinder valve equipped compressed gas bottle can be mounted without having to remove a pressure reducer or to disconnect connected lines.
  • Pressurized gas cylinders are pressurized containers like normal pressurized gas bottles, gas cartridges or pressure cans.
  • the cylinder valve is used for gas extraction and for filling the compressed gas bottle, the cylinder valve generally contains an integrated pressure reducer.
  • the inner cavity of the cap is advantageously dimensioned so that the space for receiving the cylinder valve with a pressure reducer is sufficient.
  • the cap contains, for example, two side cutouts for emptying and filling the compressed gas bottle when the cap is in place.
  • the side cutouts are preferably of the same or similar size and are opposite.
  • the cap can also have four lateral cutouts, which are advantageously arranged symmetrically to one another. The size of the side recess must ensure free connection to the valve when the protective cap is attached.
  • the size of the recess in the head area on the top of the cap is designed so that the handwheel of the cylinder valve is accessible and can be actuated when the cap is in place.
  • the cap is preferably dimensioned such that the cap fits on compressed gas cylinders of different sizes, for example on compressed gas cylinders with a volume of 2, 5, 10 or 20 liters.
  • the device for fastening is attached in the bottom region of the cap.
  • the fastening device is, for example, a thread or is formed by protruding designs, such as grooves or teeth, which engage in the external thread on the bottle neck of a compressed gas bottle.
  • the fastening device can also be designed as a bayonet lock, clamp lock or snap lock, it being possible for an adapter piece to be placed on the bottle thread. Even if the cap is fastened with a thread-like fastening device, an adapter piece for the compressed gas bottle can be advantageous, for. B. when attaching the cap to a compressed gas bottle with a smaller bottle thread.
  • the fastener may also include a strap or strap.
  • the tensioning strap is guided, for example, around the bottom of the compressed gas bottle and is releasably attached to the cap.
  • Eyelets, bands or tabs on the cap can also be used as the fastening device, corresponding counterparts for fastening being arranged on the compressed gas bottle.
  • a fork can also serve as a fastening device, which is guided through holes in the cap and engages with the bottle valve.
  • the cap can also have a continuous bead, rolled edge or collar on the base side of the cap, which serve as an attachment for a connecting element to the gas bottle.
  • the connecting element can consist of a metal or plastic, for example a shrink film tube.
  • the correspondingly equipped cap can also be attached to the gas bottle in a flange-like manner if the gas bottle has a corresponding counterpart.
  • the cap preferably contains an anti-rotation device, a roll protection device, a carrying device and / or a hanging device.
  • the anti-rotation lock of the cap serves to fix the cap on the compressed gas bottle so that the cap cannot be rotated relative to the compressed gas bottle.
  • the anti-rotation device is, for example, a rectangular recess in the interior of the cap for receiving the square, which is usually present, on the cylinder valve.
  • the roll lock is one or more formations on the cap that protrude beyond the gas bottle and prevent the bottle from lying down from rolling.
  • Roll protection is advantageously installed in the base or base area of the cap, that is to say on the part of the cap closest to the compressed gas bottle.
  • the roll lock is a component of the cap, which protrudes beyond the compressed gas bottle cross-section.
  • the roll lock is, for example, an angular bead, one or more angular projections, webs or pins, one or more webs, an angular base or an angular profile in the base area.
  • the corners of the cap formations are aligned with the base of the cap, i. H. in the plane of the base area or parallel to it.
  • the carrying device consists, for example, of one or more handles.
  • the handle can be a bracket, a handle bar, a handle plate or a recessed grip.
  • the handle is preferably integrated in the cap and is preferably movable, in particular foldable.
  • the foldable handle is rotatably mounted in one of the three spatial directions.
  • the handle can be folded out from the bottom upwards by a hinge in the head area, for example.
  • the handle can also be designed in the head region as a part that can be swung out laterally.
  • the handle can also be designed as a sliding part, for. B. as a pull-out handle in the direction of the longitudinal axis of the cap or perpendicular to it.
  • the movable carrying device can advantageously be locked.
  • the locking mechanism can be, for example, a device for engaging (e.g. a recess on the carrying device or cap, where a spring-mounted part (e.g. ball with compression spring, spring arm made of a flexible plastic with pin or hemispherical elevation) engages Locking can also be done by a clamping device.
  • the suspension device can be, for example, a hook or a hook-shaped part.
  • the suspension device is preferably movable, in particular foldable.
  • the suspension device can be constructed analogously to the carrying device, it can also be lockable.
  • the cap may also include devices that allow attachment of a hanger, e.g. B. a recess in which a hook can reach, such as threaded holes, webs or knobs.
  • a hanger e.g. B. a recess in which a hook can reach, such as threaded holes, webs or knobs.
  • the cap is preferably cylindrical.
  • Base area can be round, elliptical, square or polygonal, and should have a diameter that does not differ significantly from the diameter of the gas bottle.
  • the diameter of the cap is in the range from gas bottle diameter to 10 percent above. It is advantageous if the cap is flush with the gas bottle and has a largely symmetrical shape.
  • the Cap size may vary. The minimum size of the cap results from the fact that the cap can be put over the bottle valve.
  • the cap is advantageously formed from two interconnected half-shells.
  • the separation of the half-shells preferably takes place in a surface which contains the longitudinal axis of the cap.
  • the half-shells are preferably the same.
  • the half-shells can be detachably connected, for example, by screwing, by a plug connection, by a combined plug / screw connection, by one or more tensioning straps or rings.
  • the half-shells can contain, for example, dowel pins or tongue and groove (tongue or groove elements) as aids for a plug connection.
  • the assembled half shells can also be connected with a tape or strap or with a shrink wrap.
  • the cap can have additional cavities that are used to hold parts or information documents (e.g. chamber for accessories).
  • the chamber is preferably located in the head region of the cap (for example on the top as an annular cavity which can be closed with an annular lid).
  • the chamber is advantageously accessible from the outside.
  • the cap can also contain a spring clip (also several spring clips) to which an information sheet can be attached.
  • the spring clip can be made of plastic or metal.
  • the spring clip is shaped, for example, in the form of a ballpoint pen clip and is, for. B. in the case of plastic as a material molded onto a half-shell element or is attached, for example in the case of metal, analogously to ballpoint pens by means of a plug connection, or is extrusion-coated or cast in during the production of a plastic half-shell.
  • the cap has the following features:
  • the cap or parts of the cap are preferably made of a thermoplastic, e.g. B. polyoxymethylene, polyethylene, polypropylene, polystyrene, PVC, polyester, polyamide, liquid crystalline polymer (LCP).
  • the thermoplastic can also be a blend.
  • the thermoplastic materials are advantageously fiber-reinforced (e.g. glass fiber, mineral fiber, carbon fiber).
  • a suitable plastic is polyamide with 30 percent by weight glass fiber.
  • the plastic can be foamed.
  • the cap or parts of the cap can be produced by conventional thermal plastic processing methods such as extrusion or injection molding.
  • a thin-walled version of the protective cap is preferred.
  • the cap is preferably stackable.
  • the cap is designed such that the underside of the cap can be placed on the head of the cap, for example by conical flattening in the head area. The nature of the cap is explained below by way of example with reference to FIGS. 1 to 4. It is a cap that is formed from two identical half-shells. The half shells are connected to each other by screw connections.
  • Fig. 1 shows a side view of a half-shell with a partial section on the right side.
  • the side recess is located in the middle of the half-shell shown.
  • the threaded neck 2 in the lower region of the half-shell is half of an internal thread that fits on the external thread of the compressed gas bottle.
  • the half-shell is thin-walled (wall thickness in the range of 1 to 5 mm, preferably 2 to 3 mm).
  • a half shell contains two holes (3) for attaching a foldable handle and a foldable hook.
  • the half-shell has an outer profile with protruding webs (4) which prevent a lying compressed gas cylinder from rolling.
  • the collar (6) is angular and also serves as roll protection. The collar protrudes beyond the compressed gas bottle.
  • Fig. 2 shows the holes (5) made in the half-shell through which screws are passed. Two half-shells are connected to each other by a screw connection. A half shell contains four of the holes (5).
  • Fig. 3 shows the cross section of the half-shell in the lower and upper area.
  • Fig. 4 shows the assembled cap from two half-shells (1) and a handle (7) and a hook (8).
  • Table 1 Characteristic dimensions of a round cap (example for 51 and 101 compressed gas cylinders)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Pens And Brushes (AREA)
  • Catching Or Destruction (AREA)

Abstract

A cap for bottles of compressed gas, containing two interconnected half shells, an inner cavity to accommodate the bottle valve, at least one lateral opening and an opening on the face of the bottle top, and a device for fastening it to the bottle of compressed gas. The cap can be mounted on a closed compressed gas bottle without having to remove the connections from the bottle of compressed gas. The cap can have a support device and a hooking device.

Description

FiaschenkopfFiaschenkopf
Die Erfindung betrifft eine Kappe für Druckgasflaschen.The invention relates to a cap for compressed gas cylinders.
EP 0 629 812 A1 beschreibt eine Kunststoffkappe für Gasflaschen mit einem unteren Teil zum Anbringen an die Gasflasche und einem oberen Teil zum Schutz des Ventils, wobei der untere Teil einen seitlichen Vorsprung mit einer Krümmung als Aufhängevorrichtung umfaßt.EP 0 629 812 A1 describes a plastic cap for gas bottles with a lower part for attachment to the gas bottle and an upper part for protecting the valve, the lower part comprising a lateral projection with a curvature as a suspension device.
DE 44 40 298 A1 beschreibt einen Ventilschutzkragen für Gasflaschen, der auf den Kopfabschnitt einer Gasflasche aufsetzbar und lösbar an der Ventilmuffe befestigbar ist.DE 44 40 298 A1 describes a protective valve collar for gas bottles which can be placed on the head section of a gas bottle and detachably attached to the valve sleeve.
EP 0 447 315 B1 beschreibt eine Etikettier- und Schutzanordnung für das Ventil eines Fluidbehälters, wobei eine Schutzkappe auf das Handrad des Ventils aufgesteckt wird.EP 0 447 315 B1 describes a labeling and protective arrangement for the valve of a fluid container, a protective cap being attached to the handwheel of the valve.
WO 91/04197 beschreibt eine glockenförmige Schutzkappe für Druckgasflaschen aus Metall, die an der Grundseite eine Öffnung mit Schraubgewinde und eine große seitliche Öffnung mit integriertem Griff aufweist und am Kopf offen ist.WO 91/04197 describes a bell-shaped protective cap for compressed gas cylinders made of metal, which has an opening with a screw thread on the base side and a large side opening with an integrated handle and is open at the head.
Die bekannten Schutzeinrichtungen oder Schutzkappen können nicht an der Druckgasflasche angebracht werden, ohne daß zuvor der Druckminderer von dem Flaschenventil abgenommen werden muß. Die Befestigung der Schutzeinrichtung an einer installierten Druckgasflasche ist daher bisher nicht möglich.The known protective devices or protective caps cannot be attached to the compressed gas bottle without first having to remove the pressure reducer from the cylinder valve. It has therefore not previously been possible to attach the protective device to an installed compressed gas cylinder.
Der empfindlichste Teil einer Druckgasflasche ist das Flaschenventil. Besonders bei Gebrauch der Druckgasfiaschen ist das Flaschenventil weitgehend ungeschützt. Aufgabe der Erfindung besteht daher in der Bereitstellung einer Schutzeinrichtung für Druckgasflaschen, wobei die mit der Druckgasflasche verbundene Schutzeinrichtung bei einem Umfallen der Druckgasflasche das Flaschenventil wirkungsvoll schützt.The most sensitive part of a compressed gas cylinder is the cylinder valve. The cylinder valve is largely unprotected, especially when using the compressed gas bottle. The object of the invention is therefore to provide a protective device for compressed gas cylinders, the one connected to the compressed gas cylinder Protective device effectively protects the cylinder valve if the compressed gas cylinder falls over.
Ferner wird bei Druckgasflaschen, besonders im medizinischen Anwendungsbereich, ein ansprechendes Äußeres und eine leichte und sichere Handhabbarkeit gewünscht. Die Schutzeinrichtung sollte möglichst eine Einheit mit der Druckgasflasche bilden. Die Schutzeinrichtung sollte ohne großen Aufwand an der Druckgasflasche angebracht und entfernt werden können und sollte die Funktionsfähigkeit des Flaschenventils nicht beeinträchtigen.In the case of compressed gas cylinders, particularly in the medical field of application, an appealing exterior and easy and safe handling are also desired. The protective device should form a unit with the compressed gas bottle if possible. The protective device should be able to be attached and removed from the compressed gas cylinder with little effort and should not impair the functionality of the cylinder valve.
Die Aufgabe wurde gelöst durch eine Kappe für Druckgasflaschen, die zwei miteinander verbundene Halbschalen, einen inneren Hohlraum zur Aufnahme des Flaschenventils, mindestens eine seitliche Aussparung und eine Aussparung auf der Kopfseite und eine Einrichtung zur Befestigung an der Druckgasflasche aufweist, wobei die Kappe an der mit dem Flaschenventil ausgestatteten Druckgasflasche montiert werden kann, ohne daß ein Druckminderer abgenommen oder angeschlossene Leitungen gelöst werden müssen.The object was achieved by a cap for compressed gas cylinders, which has two interconnected half-shells, an internal cavity for receiving the cylinder valve, at least one lateral recess and a recess on the head side and a device for attachment to the compressed gas cylinder, the cap being attached to the the cylinder valve equipped compressed gas bottle can be mounted without having to remove a pressure reducer or to disconnect connected lines.
Druckgasflaschen sind Druckbehälter wie übliche Druckgasflaschen, Gaskartuschen oder Druckdosen.Pressurized gas cylinders are pressurized containers like normal pressurized gas bottles, gas cartridges or pressure cans.
Das Flaschenventil dient zur Gasentnahme und zur Befüllung der Druckgasfiasche, das Flaschenventil enthält im allgemeinen einen integrierten Druckminderer.The cylinder valve is used for gas extraction and for filling the compressed gas bottle, the cylinder valve generally contains an integrated pressure reducer.
Der innere Hohlraum der Kappe ist vorteilhaft so bemessen, daß der Raum für die Aufnahme des Flaschenventils mit Druckminderer ausreicht.The inner cavity of the cap is advantageously dimensioned so that the space for receiving the cylinder valve with a pressure reducer is sufficient.
Die Kappe enthält beispielsweise zwei seitliche Aussparungen für Entleerung und Befüllung der Druckgasflasche bei aufgesetzter Kappe. Die seitlichen Aussparungen sind bevorzugt von gleicher oder ähnlicher Größe und sind gegenüberliegend. Statt zwei seitlichen Aussparungen kann die Kappe auch vier seitliche Aussparungen aufweisen, die vorteilhaft symmetrisch zueinander angeordnet sind. Die Größe der seitlichen Aussparung muß bei aufgesetzter Schutzkappe den freien Anschluß an das Ventil gewährleisten.The cap contains, for example, two side cutouts for emptying and filling the compressed gas bottle when the cap is in place. The side cutouts are preferably of the same or similar size and are opposite. Instead of two lateral cutouts, the cap can also have four lateral cutouts, which are advantageously arranged symmetrically to one another. The size of the side recess must ensure free connection to the valve when the protective cap is attached.
Die Größe der Aussparung im Kopfbereich an der Oberseite der Kappe wird so ausgelegt, daß das Handrad des Flaschenventils bei aufgesetzter Kappe der Hand zugänglich ist und betätigt werden kann.The size of the recess in the head area on the top of the cap is designed so that the handwheel of the cylinder valve is accessible and can be actuated when the cap is in place.
Bevorzugt ist die Kappe so bemessen, daß die Kappe an Druckgasflaschen unterschiedlicher Größe paßt, beispielsweise an Druckgasflaschen mit 2, 5, 10 oder 20 Liter Volumen.The cap is preferably dimensioned such that the cap fits on compressed gas cylinders of different sizes, for example on compressed gas cylinders with a volume of 2, 5, 10 or 20 liters.
Die Einrichtung zur Befestigung, im folgenden Befestigungseinrichtung genannt, ist im Bodenbereich der Kappe angebracht. Die Befestigungseinrichtung ist beispielsweise ein Gewinde oder wird durch hervorstehende Ausbildungen wie Rillen oder Zähne gebildet, die in das Außengewinde am Flaschenhais einer Druckgasflasche greifen. Die Befestigungseinrichtung kann auch als Bajonettverschluß, Klemmverschluß oder Schnappverschluß ausgebildet sein, wobei ein Adapterstück auf das Flaschengewinde aufgesetzt werden kann. Auch bei einer Befestigung der Kappe mit einer gewindeartigen Befestigungseinrichtung kann ein Adapterstück zur Druckgasflasche vorteilhaft sein, z. B. bei der Befestigung der Kappe an eine Druckgasflasche mit kleinerem Flaschengewinde.The device for fastening, hereinafter called the fastening device, is attached in the bottom region of the cap. The fastening device is, for example, a thread or is formed by protruding designs, such as grooves or teeth, which engage in the external thread on the bottle neck of a compressed gas bottle. The fastening device can also be designed as a bayonet lock, clamp lock or snap lock, it being possible for an adapter piece to be placed on the bottle thread. Even if the cap is fastened with a thread-like fastening device, an adapter piece for the compressed gas bottle can be advantageous, for. B. when attaching the cap to a compressed gas bottle with a smaller bottle thread.
Die Befestigungeinrichtung kann auch ein Spannband oder Riemen enthalten. Das Spannband wird beispielsweise um den Boden der Druckgasflasche geführt und wird an der Kappe lösbar befestigt.The fastener may also include a strap or strap. The tensioning strap is guided, for example, around the bottom of the compressed gas bottle and is releasably attached to the cap.
Als Befestigungseinrichtung können auch Ösen, Bänder oder Laschen an der Kappe sein, wobei an der Druckgasflasche entsprechende Gegenstücke zur Befestigung angeordnet sind. Als Befestigungseinrichtung kann auch eine Gabel dienen, die durch Löcher in der Kappe geführt wird und am Flaschenventil greift.Eyelets, bands or tabs on the cap can also be used as the fastening device, corresponding counterparts for fastening being arranged on the compressed gas bottle. A fork can also serve as a fastening device, which is guided through holes in the cap and engages with the bottle valve.
Die Kappe kann als Befestigungeinrichtung auch einen durchgehenden Wulst, Rollrand oder Kragen an der Grundseite der Kappe aufweisen, die als Ansatz für ein Verbindungselement zur Gasflasche dienen. Das Verbindungselement kann aus einem Metall oder Kunststoff bestehen, beispielsweise ein Schrumpffolienschlauch. Die entsprechend ausgestattete Kappe kann auch flanschartig an der Gasflasche befestigt werden, wenn die Gasflasche ein entsprechendes Gegenstück aufweist.As a fastening device, the cap can also have a continuous bead, rolled edge or collar on the base side of the cap, which serve as an attachment for a connecting element to the gas bottle. The connecting element can consist of a metal or plastic, for example a shrink film tube. The correspondingly equipped cap can also be attached to the gas bottle in a flange-like manner if the gas bottle has a corresponding counterpart.
Die Kappe enthält vorzugsweise eine Verdrehsicherung, eine Rollsicherung, eine Tragevorrichtung und/oder eine Aufhängevorrichtung.The cap preferably contains an anti-rotation device, a roll protection device, a carrying device and / or a hanging device.
Die Verdrehsicherung der Kappe dient zur Fixierung der Kappe auf der Druckgasflasche, so daß die Kappe gegenüber der Druckgasflasche nicht verdreht werden kann. Die Verdrehsicherung ist beispielsweise eine rechteckige Aussparung im Inneren der Kappe zur Aufnahme des in der Regel vorhandenen Vierkants am Flaschenventil.The anti-rotation lock of the cap serves to fix the cap on the compressed gas bottle so that the cap cannot be rotated relative to the compressed gas bottle. The anti-rotation device is, for example, a rectangular recess in the interior of the cap for receiving the square, which is usually present, on the cylinder valve.
Die Rollsicherung ist eine oder mehrere Ausformungen an der Kappe, die über die Gasflasche überstehen und ein Rollen der liegenden Flasche verhindert. DieThe roll lock is one or more formations on the cap that protrude beyond the gas bottle and prevent the bottle from lying down from rolling. The
Rollsicherung ist vorteilhaft im Boden- oder Sockelbereich der Kappe, das heißt an dem der Druckgasflasche am nächsten gelegenen Teil der Kappe, angebracht. Die Rollsicherung ist ein Bestandteil der Kappe, der über den Druckgasflaschenquerschnitt übersteht. Die Rollsicherung ist beispielsweise ein eckiger Wulst, ein oder mehrere eckige Vorsprünge, Stege oder Zapfen, ein oder mehrere Stege, eine eckige Grundfläche oder ein eckiges Profil im Sockelbereich. Die Ecken der Kappenausformungen sind zur Grundfläche der Kappe ausgerichtet, d. h. in der Ebene der Grundfläche oder parallel dazu.Roll protection is advantageously installed in the base or base area of the cap, that is to say on the part of the cap closest to the compressed gas bottle. The roll lock is a component of the cap, which protrudes beyond the compressed gas bottle cross-section. The roll lock is, for example, an angular bead, one or more angular projections, webs or pins, one or more webs, an angular base or an angular profile in the base area. The corners of the cap formations are aligned with the base of the cap, i. H. in the plane of the base area or parallel to it.
Die Tragevorrichtung besteht beispielsweise aus einem oder mehreren Griffen. Der Griff kann ein Haltebügel, eine Griffstange, eine Griffplatte oder eine Griffmulde sein. Der Griff ist vorzugsweise in die Kappe integriert und ist bevorzugt beweglich, insbesondere klappbar. Der klappbare Griff ist in einer der drei Raumrichtungen drehbar gelagert. Der Griff kann beispielsweise durch ein Scharnier im Kopfbereich von unten nach oben herausgeklappt werden. Der Griff kann auch im Kopfbereich als seitlich ausschwenkbares Teil ausgebildet sein. Der Griff kann auch als schiebbares Teil ausgebildet sein, z. B. als herausziehbarer Griff in Richtung der Kappenlängsachse oder senkrecht dazu.The carrying device consists, for example, of one or more handles. The handle can be a bracket, a handle bar, a handle plate or a recessed grip. The handle is preferably integrated in the cap and is preferably movable, in particular foldable. The foldable handle is rotatably mounted in one of the three spatial directions. The handle can be folded out from the bottom upwards by a hinge in the head area, for example. The handle can also be designed in the head region as a part that can be swung out laterally. The handle can also be designed as a sliding part, for. B. as a pull-out handle in the direction of the longitudinal axis of the cap or perpendicular to it.
Die bewegliche Tragevorrichtung ist vorteilhaft arretierbar. Die Arretierung kann beispielsweise durch eine Vorrichtung zum Einrasten (z. B. eine Vertiefung an der Tragevorrichtung oder Kappe, wo ein federnd angebrachtes Teil (z. B. Kugel mit Druckfeder, Federarm aus einem biegsamen Kunststoff mit Zapfen oder halbkugelförmiger Erhebung) angreift. Die Arretierung kann auch durch eine Klemmvorrichtung erfolgen.The movable carrying device can advantageously be locked. The locking mechanism can be, for example, a device for engaging (e.g. a recess on the carrying device or cap, where a spring-mounted part (e.g. ball with compression spring, spring arm made of a flexible plastic with pin or hemispherical elevation) engages Locking can also be done by a clamping device.
Die Aufhängevorrichtung kann beispielsweise ein Haken oder ein hakenförmiges Teil sein. Die Aufhängevorrichtung ist bevorzugt beweglich, insbesondere klappbar. Die Aufhängevorrichtung kann analog zur Tragevorrichtung aufgebaut sein, sie kann auch arretierbar sein.The suspension device can be, for example, a hook or a hook-shaped part. The suspension device is preferably movable, in particular foldable. The suspension device can be constructed analogously to the carrying device, it can also be lockable.
Die Kappe kann auch Einrichtungen enthalten, die die Befestigung einer Aufhängevorrichtung ermöglichen, z. B. eine Aussparung, in die ein Haken greifen kann, wie Gewindelöcher, Stege oder Noppen.The cap may also include devices that allow attachment of a hanger, e.g. B. a recess in which a hook can reach, such as threaded holes, webs or knobs.
Die Kappe ist bevorzugt zylindrisch aufgebaut. Der Querschnitt der KappeThe cap is preferably cylindrical. The cross section of the cap
(Grundfläche) kann rund, elliptisch, viereckig oder vieleckig sein, und sollte einen Durchmesser haben, der sich nicht wesentlich vom Durchmesser der Gasflasche unterscheidet. Beispielsweise liegt der Durchmesser der Kappe im Bereich von Gasflaschendurchmesser bis 10 Prozent darüber. Günstig ist, wenn die Kappe bündig mit der Gasflasche abschließt und weitgehend symmetrische Gestalt hat. Die Größe der Kappe kann variieren. Die Mindestgröße der Kappe ergibt sich daraus, daß die Kappe über das Flaschenventil gestülpt werden kann.(Base area) can be round, elliptical, square or polygonal, and should have a diameter that does not differ significantly from the diameter of the gas bottle. For example, the diameter of the cap is in the range from gas bottle diameter to 10 percent above. It is advantageous if the cap is flush with the gas bottle and has a largely symmetrical shape. The Cap size may vary. The minimum size of the cap results from the fact that the cap can be put over the bottle valve.
Vorteilhaft wird die Kappe aus zwei miteinander verbundenen Halbschalen gebildet. Die Trennung der Halbschalen verläuft vorzugsweise in einer Fläche, die die Längsachse der Kappe enthält. Die Halbschalen sind vorzugsweise gleich. Die lösbare Verbindung der Halbschalen erfolgt beispielsweise durch eine Verschraubung, durch eine Steckverbindung, durch eine kombinierte Steck-/ Schraubverbindung, durch ein oder mehrere Spannbänder oder -ringe. Die Halbschalen können beispielsweise Paßstifte oder Nut/Feder (Nut- oder Federelemente) als Hilfsmittel für eine Steckverbindung enthalten. Die zusammengesteckten Halbschalen können zusätzlich mit einem Band oder Riemen oder mit einem Schrumpffolienschiauch verbunden werden.The cap is advantageously formed from two interconnected half-shells. The separation of the half-shells preferably takes place in a surface which contains the longitudinal axis of the cap. The half-shells are preferably the same. The half-shells can be detachably connected, for example, by screwing, by a plug connection, by a combined plug / screw connection, by one or more tensioning straps or rings. The half-shells can contain, for example, dowel pins or tongue and groove (tongue or groove elements) as aids for a plug connection. The assembled half shells can also be connected with a tape or strap or with a shrink wrap.
Die Kappe kann zusätzliche Hohlräume aufweisen, die zur Aufnahme von Teilen oder Informationsunterlagen dienen (z. B. Kammer für Zubehör). Die Kammer befindet sich bevorzugt im Kopfbereich der Kappe (z. B. auf der Oberseite als ringförmiger Hohlraum, der mit einem ringförmigen Deckel verschlossen werden kann). Die Kammer ist vorteilhaft von außen zugänglich.The cap can have additional cavities that are used to hold parts or information documents (e.g. chamber for accessories). The chamber is preferably located in the head region of the cap (for example on the top as an annular cavity which can be closed with an annular lid). The chamber is advantageously accessible from the outside.
Die Kappe kann auch einen Federclip (auch mehrere Federclips) enthalten, an den ein Informationsblatt geklemmt werden kann. Der Federclip kann aus Kunststoff oder Metall sein. Der Federclip ist beispielsweise in der Form eines Kugelschreiberclips ausgeformt und ist z. B. im Fall von Kunststoff als Material ein an eine Halbschale angeformtes Element oder ist z.B. im Fall von Metall analog zu Kugelschreibern durch eine Steckverbindung angebracht oder wird bei der Herstellung einer Kunststoff-Halbschale umspritzt oder eingegossen. In einer bevorzugten Ausführung weist die Kappe folgende Merkmale auf:The cap can also contain a spring clip (also several spring clips) to which an information sheet can be attached. The spring clip can be made of plastic or metal. The spring clip is shaped, for example, in the form of a ballpoint pen clip and is, for. B. in the case of plastic as a material molded onto a half-shell element or is attached, for example in the case of metal, analogously to ballpoint pens by means of a plug connection, or is extrusion-coated or cast in during the production of a plastic half-shell. In a preferred embodiment, the cap has the following features:
zwei Halbschalen mit angeformter Aufnahme (innen) für Flaschenventil, Direktbefestigung auf dem Flaschenhals (Flaschengewinde) ohne Zwischenstück,two half-shells with molded receptacle (inside) for bottle valve, direct attachment to the bottle neck (bottle thread) without intermediate piece,
Verbindung der Halbschalen durch Verschraubung oder kombinierte Steck-/Schraubverbindung, integrierter schwenkbarer Griff zum Ausklappen, dem Griff gegenüberliegender ausklappbarer Haken (zur Befestigung an externen Träger, z. B. Patientenbett), beidseitige Öffnungen (seitliche Aussparungen) für Schlauchanschlüsse, kopfseitige Öffnung (Aussparung) für Betätigung von Ventil-Handrad, Verdrehungssicherung (greift an Flaschenventil-Vierkant), Rollsicherung durch Stege im Sockelbereich der Kappe.Connection of the half-shells by screwing or combined plug-in / screw connection, integrated swiveling handle for folding out, fold-out hook opposite the handle (for attachment to an external support, e.g. patient bed), openings on both sides (side cutouts) for hose connections, head-side opening (cutout ) for actuation of the valve handwheel, anti-rotation device (grips the cylinder valve square), roll protection through webs in the base area of the cap.
Die Kappe oder Teile der Kappe bestehen vorzugsweise aus einem thermoplastischen Kunststoff, z. B. Polyoxymethylen, Polyethylen, Polypropylen, Polystyrol, PVC, Polyester, Polyamid, flüssigkristallines Polymer (LCP). Der thermoplastische Kunststoff kann auch ein Blend sein. Vorteilhaft sind die thermoplastischen Kunststoffe faserverstärkt (z. B. Glasfaser, Mineralfaser, Carbonfaser). Ein geeigneter Kunststoff ist Polyamid mit 30 Gewichtsprozent Glasfaser. Der Kunststoff kann geschäumt sein.The cap or parts of the cap are preferably made of a thermoplastic, e.g. B. polyoxymethylene, polyethylene, polypropylene, polystyrene, PVC, polyester, polyamide, liquid crystalline polymer (LCP). The thermoplastic can also be a blend. The thermoplastic materials are advantageously fiber-reinforced (e.g. glass fiber, mineral fiber, carbon fiber). A suitable plastic is polyamide with 30 percent by weight glass fiber. The plastic can be foamed.
Die Kappe oder Teile der Kappe können durch übliche thermische Kunststoff- verarbeitungsverfahren wie Extrusion oder Spritzguß hergestellt werden. Eine dünnwandige Ausführung der Schutzkappe wird bevorzugt. Die Kappe ist vorzugsweise stapelbar. Die Kappe ist so ausgestaltet, daß Kappen- Unterseite auf den Kopf der Kappe gesteckt werden kann, beispielsweise durch konische Abflachung im Kopfbereich. Die Beschaffenheit der Kappe wird im folgenden beispielhaft anhand der Figuren 1 bis 4 erläutert. Es handelt sich um eine Kappe, die aus zwei gleichen Halbschalen gebildet wird. Die Halbschalen werden durch Verschraubungen miteinander verbunden.The cap or parts of the cap can be produced by conventional thermal plastic processing methods such as extrusion or injection molding. A thin-walled version of the protective cap is preferred. The cap is preferably stackable. The cap is designed such that the underside of the cap can be placed on the head of the cap, for example by conical flattening in the head area. The nature of the cap is explained below by way of example with reference to FIGS. 1 to 4. It is a cap that is formed from two identical half-shells. The half shells are connected to each other by screw connections.
Fig. 1 zeigt eine Seitenansicht einer Halbschale mit einem Teilschnitt auf der rechten Seite. In der Mitte der abgebildeten Halbschale befindet sich die seitliche Aussparung. Der Gewindeansatz 2 im unteren Bereich der Halbschale ist die Hälfte eines Innengewindes, das auf das Außengewinde der Druckgasflasche paßt. Die Halbschale ist dünnwandig ausgeführt (Wandstärke im Bereich von 1 bis 5 mm, vorzugsweise 2 bis 3 mm). Eine Halbschale enthält zwei Löcher (3) zur Befestigung von einem klappbaren Handgriff und einem klappbaren Haken. Die Halbschale weist ein äußeres Profil mit vorstehenden Stegen (4) auf, die ein Rollen einer liegenden Druckgasflasche verhindern. Der Kragen (6) ist eckig und dient ebenfalls als Rollschutz. Der Kragen ragt über die Druckgasflasche hinaus.Fig. 1 shows a side view of a half-shell with a partial section on the right side. The side recess is located in the middle of the half-shell shown. The threaded neck 2 in the lower region of the half-shell is half of an internal thread that fits on the external thread of the compressed gas bottle. The half-shell is thin-walled (wall thickness in the range of 1 to 5 mm, preferably 2 to 3 mm). A half shell contains two holes (3) for attaching a foldable handle and a foldable hook. The half-shell has an outer profile with protruding webs (4) which prevent a lying compressed gas cylinder from rolling. The collar (6) is angular and also serves as roll protection. The collar protrudes beyond the compressed gas bottle.
Fig. 2 zeigt die in der Halbschale angebrachten Löcher (5), durch die Schrauben geführt werden. Durch eine Verschraubung werden zwei Halbschalen miteinander verbunden. Eine Halbschale enthält vier der Löcher (5).Fig. 2 shows the holes (5) made in the half-shell through which screws are passed. Two half-shells are connected to each other by a screw connection. A half shell contains four of the holes (5).
Fig. 3 zeigt den Querschnitt der Halbschale im unteren und oberen Bereich.Fig. 3 shows the cross section of the half-shell in the lower and upper area.
Fig. 4 zeigt die montierte Kappe aus zwei Halbschalen (1) und einem Griff (7) und einem Haken (8). Fig. 4 shows the assembled cap from two half-shells (1) and a handle (7) and a hook (8).
Tabelle 1 : Charakteristische Maße einer runden Kappe (Beispiel für 51- und 101- Druckgasflasche)Table 1: Characteristic dimensions of a round cap (example for 51 and 101 compressed gas cylinders)

Claims

Patentansprüche claims
1. Kappe für Druckgasflaschen, die zwei miteinander verbundene Halbschalen, einen inneren Hohlraum zur Aufnahme des Flaschenventils, mindestens eine seitliche Aussparung und eine Aussparung auf der Kopfseite und eine Einrichtung zur Befestigung an der Druckgasflasche aufweist, wobei die Kappe an der angeschlossenen Druckgasflasche montiert werden kann, ohne daß Anschlüsse der Druckgasflasche gelöst werden müssen.1. cap for compressed gas cylinders, which has two interconnected half-shells, an internal cavity for receiving the cylinder valve, at least one lateral recess and a recess on the top side and a device for attachment to the compressed gas cylinder, the cap being able to be mounted on the connected compressed gas cylinder without having to disconnect the compressed gas cylinder.
2. Kappe nach Anspruch 1 , enthaltend zwei gleiche Halbschalen.2. Cap according to claim 1, containing two identical half-shells.
3. Kappe nach Anspruch 1 , enthaltend zwei gleiche Halbschalen, die in einer Ebene senkrecht zur Grundfläche der Kappe verbunden werden.3. Cap according to claim 1, containing two identical half-shells, which are connected in a plane perpendicular to the base of the cap.
4. Kappe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Kappe mindestens einen Kunststoff oder mindestens ein Metall enthält.4. Cap according to one of claims 1 to 3, characterized in that the cap contains at least one plastic or at least one metal.
5. Kappe nach einem der Ansprüche 1 bis 4, enthaltend zwei oder vier seitliche Aussparungen, die gleich in Größe und Form sind.5. Cap according to one of claims 1 to 4, containing two or four lateral recesses, which are the same in size and shape.
6. Kappe nach einem der Ansprüche 1 bis 5, enthaltend mindestens eine Aufhängevorrichtung und/oder eine Tragevorrichtung.6. Cap according to one of claims 1 to 5, containing at least one suspension device and / or a carrying device.
7. Kappe nach einem der Ansprüche 1 bis 6, enthaltend mindestens einen beweglichen Haken und/oder einen beweglichen Griff. 7. Cap according to one of claims 1 to 6, containing at least one movable hook and / or a movable handle.
8. Kappe nach einem der Ansprüche 1 bis 7 mit einer Einrichtung zur Befestigung, die ein Gewinde oder Teile eines Gewindes enthält.8. Cap according to one of claims 1 to 7 with a device for fastening, which contains a thread or parts of a thread.
9. Kappe nach einem der Ansprüche 1 bis 8 mit einer Verdrehsicherung.9. Cap according to one of claims 1 to 8 with an anti-rotation device.
10.Kappe nach einem der Ansprüche 1 bis 9 mit einer Rollsicherung.10. Cap according to one of claims 1 to 9 with a roll lock.
11.Verwendung der Kappe nach einem der Ansprüche 1 bis 10 als Tragevorrichtung für Druckgasflaschen oder zum Schutz von Ventilen von Druckgasflaschen. 11. Use of the cap according to one of claims 1 to 10 as a carrying device for compressed gas cylinders or for protecting valves of compressed gas cylinders.
EP97945843A 1996-11-22 1997-10-16 Bottle top Expired - Lifetime EP0939875B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19648440 1996-11-22
DE19648440A DE19648440C1 (en) 1996-11-22 1996-11-22 Cap for bottle containing compressed gas
PCT/EP1997/005699 WO1998023895A1 (en) 1996-11-22 1997-10-16 Bottle top

Publications (2)

Publication Number Publication Date
EP0939875A1 true EP0939875A1 (en) 1999-09-08
EP0939875B1 EP0939875B1 (en) 2001-12-12

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EP97945843A Expired - Lifetime EP0939875B1 (en) 1996-11-22 1997-10-16 Bottle top

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EP (1) EP0939875B1 (en)
AT (1) ATE210796T1 (en)
DE (2) DE19648440C1 (en)
ES (1) ES2169879T3 (en)
TW (1) TW350016B (en)
WO (1) WO1998023895A1 (en)
ZA (1) ZA979234B (en)

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EP2101103A1 (en) 2008-03-13 2009-09-16 Messer GasPack GmbH Protection cap for pressurised gas container
WO2013001190A1 (en) 2011-06-01 2013-01-03 Air Liquide Medical Systems Protective cap for the tap of a pressurized fluid tank
WO2014005832A1 (en) 2012-07-05 2014-01-09 Messer Gaspack Gmbh Pressurized gas cylinder with valve protection device
EP2980468A1 (en) 2014-07-29 2016-02-03 Messer GasPack GmbH Protection device for pressurized gas containers
WO2019155153A2 (en) 2018-02-08 2019-08-15 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Protection cap, reservoir comprising such a cap and mounting method
WO2020165006A1 (en) 2019-02-15 2020-08-20 Messer Gaspack Gmbh Protective device for pressurized gas containers
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WO2013001190A1 (en) 2011-06-01 2013-01-03 Air Liquide Medical Systems Protective cap for the tap of a pressurized fluid tank
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EP3114388B1 (en) * 2014-03-03 2021-04-28 Luxembourg Patent Company S.A. Cover for gas cylinder tap
EP2980468A1 (en) 2014-07-29 2016-02-03 Messer GasPack GmbH Protection device for pressurized gas containers
EP3805627A1 (en) 2014-07-29 2021-04-14 Messer GasPack GmbH Protection device for pressurized gas containers
DE102014011214A1 (en) 2014-07-29 2016-02-04 Messer Gaspack Gmbh Protective device for pressurized gas containers
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WO2020165006A1 (en) 2019-02-15 2020-08-20 Messer Gaspack Gmbh Protective device for pressurized gas containers
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WO2024056257A1 (en) * 2022-09-15 2024-03-21 Robert Bosch Gmbh Tank valve, modular system, and protective sleeve for a tank valve

Also Published As

Publication number Publication date
DE59705811D1 (en) 2002-01-24
EP0939875B1 (en) 2001-12-12
ES2169879T3 (en) 2002-07-16
WO1998023895A1 (en) 1998-06-04
ZA979234B (en) 1998-05-11
TW350016B (en) 1999-01-11
DE19648440C1 (en) 1998-03-26
ATE210796T1 (en) 2001-12-15

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