EP3165807B1 - Schutzhaube für gasflasche - Google Patents

Schutzhaube für gasflasche Download PDF

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Publication number
EP3165807B1
EP3165807B1 EP16197142.9A EP16197142A EP3165807B1 EP 3165807 B1 EP3165807 B1 EP 3165807B1 EP 16197142 A EP16197142 A EP 16197142A EP 3165807 B1 EP3165807 B1 EP 3165807B1
Authority
EP
European Patent Office
Prior art keywords
gas cylinder
cap
ring
handle
cap according
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.)
Active
Application number
EP16197142.9A
Other languages
English (en)
French (fr)
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EP3165807A2 (de
EP3165807A3 (de
Inventor
Emmanuelle PERDRIX
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.)
Rovip SA
Original Assignee
Rovip SA
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Filing date
Publication date
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Publication of EP3165807A2 publication Critical patent/EP3165807A2/de
Publication of EP3165807A3 publication Critical patent/EP3165807A3/de
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Publication of EP3165807B1 publication Critical patent/EP3165807B1/de
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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
    • F17C13/005—Details of vessels or of the filling or discharging of vessels for medium-size and small storage vessels not under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0157—Details of mounting arrangements for transport
    • F17C2205/0165—Details of mounting arrangements for transport with handgrip
    • 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
    • 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
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/012—Reducing weight
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/037—Handling leaked fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles

Definitions

  • the present invention relates to the field of protection devices intended to protect a tap of a gas cylinder containing liquefied, dissolved or compressed gas. More specifically, the invention relates to a protective cap for a gas cylinder.
  • the cylinder valve When transporting or handling a gas cylinder, the cylinder valve may be subject to impacts that can damage it.
  • the gas cylinders are fitted with a safety device called a protective cap, intended to protect the valve during the handling and transport stages.
  • Protective caps must therefore comply with ISO standard 11117, according to which a protective cap mounted on a gas cylinder must protrude by a minimum height from the valve in the open position, in order to prevent any impact liable to damage it.
  • This ISO 11117 standard also imposes a resistance to shocks undergone by the cap and a resistance to tearing off of the cap when the latter is held on the gas cylinder.
  • the protective caps are screwed onto a screw thread present in the lower part of the valve of the gas cylinder.
  • a protective hat made of metal comprises a bell-shaped body intended to cover the tap of a gas bottle, a lower part of the body carrying a thread intended to cooperate with a thread of the gas bottle.
  • the metal structure of the body ensures impact resistance and the metal thread ensures resistance to tearing.
  • French patent application N ° 3,011,061 describes a partial solution to this problem by means of a cap formed by a ring made of plastic and a body made of two metal parts assembled on the ring.
  • the metal structure of the body provides impact resistance and the plastic ring provides resistance to tearing.
  • the document EP1041339 also describes a hat according to the prior art.
  • the metallic material of the cap body still heavily impacts the weight of the gas cylinder.
  • mounting and dismounting the two body parts on the ring is a complex process.
  • the technical problem of the invention consists in obtaining a gas bottle cap capable of guaranteeing impact resistance and resistance to tearing while limiting the weight of the cap.
  • the present invention aims to respond to this technical problem by means of a protective cap comprising a body and a ring made of two separate plastics, one being adapted to meet the constraints of impact resistance and the other being adapted to meet the tearing and wear resistance constraints.
  • the invention relates to a protective cap for a gas cylinder comprising a body configured to cover a tap of a gas cylinder, and a ring secured to the body and comprising a thread intended to cooperate with a thread d 'a gas bottle so as to hold the cap on a gas bottle.
  • the body and the ring are made of at least two separate plastic materials, the first plastic material of the body has an elongation at break greater than 200% capable of absorbing the shocks suffered by the body and the second plastic material of the ring has a elongation at break less than 100% able to guarantee cooperation of the thread with a thread of a gas cylinder.
  • the invention thus makes it possible to respond at the same time to the constraints of impact, wear and fixing.
  • the weight of the hat is also reduced compared to hats having at least one metal part.
  • the material of the body facilitates the design of structurally complex parts.
  • the invention also solves another problem of caps incorporating metallic bodies.
  • hats are conventionally painted for the sake of distinctiveness and handling the hats can damage the paint deposited on the body.
  • the plastic of the body makes it possible to integrate the color of the hat directly into the structure of the plastic thus limiting the delaminations of the paint.
  • first plastic material of the body and / or the second plastic material of the ring can be composed of an alloy of two materials without changing the invention.
  • the body is molded onto the ring. This embodiment guarantees the fixing between the body and the ring.
  • the hat also comprises a handle fixed with the body, the handle comprising two uprights fixed on the sides of the body and extending in the length of the body. , a gripping bar spaced from the uprights and extending perpendicular to the uprights, and two link arms each connecting a separate end of the gripping bar to an upright.
  • the cap comprises at least one vent configured to allow the escape of a gas between the internal volume of the body and the exterior of the body, the vent being disposed in a recess of the uprights.
  • the recess of the uprights makes it possible to limit the weight of the uprights and / or of the link arms. This embodiment protects the vent from rain when the cap is positioned on a straight bottle.
  • each upright has a substantially planar external wall configured to support clamping and / or loosening forces of a clamp.
  • the empty gas cylinders are again filled in a filling plant where the filling of the bottles and the encapsulation of their taps are done automatically.
  • the machines dedicated to this task include a U-shaped gripper with two arms extending downwards. The distance between the two arms is slightly greater than the external diameter of the body so that the arms of the clamp extend along the body and abut against the uprights during tightening or loosening operations of the cap. To do this, the gripper is rotated about a central axis substantially coaxial with the axis of the body.
  • This embodiment makes it possible to propose bearing surfaces which are particularly suitable for distributing the clamping and / or loosening forces of a clamp along the uprights.
  • the cap also includes a handle fixed with the body, the handle extending radially relative to the body. This feature improves the range of the bottle by the user by better distributing the forces.
  • the cap comprises drive means fixed with the body above the handle and extending radially relative to the body, the drive means being configured to withstand clamping forces and / or for loosening a clamp.
  • This embodiment makes it possible to propose bearing surfaces which are particularly suitable for distributing the clamping and / or loosening forces of a clamp along the uprights.
  • the cap comprises a reinforcing bar fixed to the body below the handle and extending parallel to the handle, one end of the reinforcing bar, opposite the body, being connected to one end of the handle, opposite the body, by an external upright.
  • This embodiment improves the resistance of the handle.
  • the reinforcement bar can conform to the shape of the gas bottle to improve the ergonomics of the cap when it is mounted on a gas bottle.
  • the ring has a stop at the bottom of the thread or a shoulder configured to form a support stop, the cap being intended to be screwed onto a gas bottle until the thread of the gas bottle butte against the stop at the bottom of the net or the shoulder.
  • the height of a gas cylinder valve can vary. Thus, some valves protrude from the cap and are not protected at their upper ends. In addition, it is not possible to increase the height of the cap body because certain storage spaces are dimensioned in height to receive gas bottles fitted with a cap with a predetermined height. There is therefore a need to protect the upper end of a gas cylinder fitted with a tall valve.
  • This embodiment makes it possible to solve this problem using a multi-size cap, the body of which has a constant height and intended to come into abutment on the thread of the tap instead of abutting against the upper wall of the bottle. gas. As a result, there may be a space between the upper wall of the gas cylinder and the lower end of the cap, but the risk of damage to the valve on this space is less than the risk of damage to the upper end of the valve when the tap protrudes from the cap.
  • the second plastic material of the ring comprises a homo or polyamide copolymer, advantageously loaded with fibers.
  • This embodiment is particularly suitable for ensuring cooperation of the thread of the ring with a thread of a gas cylinder.
  • the Figures 1 to 4 illustrate a protective cap 10a according to a first embodiment intended to cover the valve 49 with a gas bottle.
  • the cap 10a comprises a body 11a, a ring 12a and a handle 22a made of plastic.
  • the body 11a has a substantially constant shape of cylindrical revolution with a shoulder 19 at the part of the body 11a covering the ring 12a.
  • the length of the body 11a extends between a lower end 20 intended to come opposite a gas cylinder and an upper end 21 opposite the lower end 20.
  • the upper end 21 is closed by a closure plate 35 in disc shape.
  • the body 11a can have the shape of a bell or any other shape capable of surrounding the tap with a gas bottle.
  • the material of the body 11a has an elongation at break greater than 200% to absorb the shocks undergone by the body 11a so as to meet the stress resistance constraints imposed by the ISO 11117 standard.
  • the material of the body 11a corresponds to a homo or copolymer based on ethylene monomer.
  • the material of the body 11a can be chosen from the range of PE-TBD, PE-BDL, PE-BD, PE-MD, PE-HD, ULMWPE, PE-WAX, HMWPE, or an alloy of several of these products.
  • the elongation at break is measured by pulling two ends of the part. An elongation at break greater than 200% indicates that the part can be deformed by traction until it reaches 200% of its initial length before rupture.
  • the ring 12a has an annular shape whose external diameter cooperates with an internal diameter of the body 11a at the shoulder 19.
  • the body 11a is molded onto the ring 12a.
  • the body 11a and the ring 12a can be glued to one another or joined together by any known means.
  • the internal face of the ring 12a has a thread 13 intended to cooperate with a thread 51 of a gas bottle so as to maintain the cap on the bottle.
  • the pitch of the thread 13 of the ring corresponds to the pitch of the thread 51 of the gas bottle and the internal diameter of the ring 12a is adapted to the external diameter of the thread 51 of the gas bottle.
  • the material of the ring 12a has an elongation at break of less than 100% to guarantee cooperation of the thread 13 with a thread of a gas bottle so as to meet the stresses of resistance to tearing imposed by the ISO 11117 standard.
  • An elongation at break of less than 100% indicates that the part breaks before reaching a tensile deformation equal to 100% of its initial length.
  • the material of the ring 12a corresponds to a homo or polyamide copolymer.
  • the material corresponds to a homo or copolymer of polyamide loaded with fibers.
  • the material of the ring 12a can be chosen from the range of PA6, PA12, PA 6.6 / 6, PA MPD.I, or an alloy of several of these products.
  • the handle 22a has two uprights 25 fixed on the sides of the body 11a , a gripping bar 23 and two connecting arms 24 each connecting a separate end of the gripping bar 23 to an upright 25.
  • the gripping bar 23 has a shape substantially constant tubular with a length a few millimeters greater than the diameter of the body 11a .
  • An internal recess 36 of the grip bar 23 makes it possible to limit the weight of the grip bar 23.
  • the connecting arms 24 have a triangular shape whose thickness of material increases between the grip bar 23 and the uprights 25.
  • Each upright 25 has a substantially rectangular shape extending between the upper end 21 of the body 11a and a few millimeters below the shoulder 19.
  • An outer wall 29 extending in the thickness of the uprights 25 is substantially planar so to allow the positioning of a clamp intended to tighten or loosen the cap 10a on a gas cylinder.
  • the uprights 25 and the link arms 24 have an internal recess limiting the material thickness of the uprights 25 and the link arms 24.
  • the surface of the internal recess is determined so that the wall 29 of the uprights 25 is sufficient to withstand the clamping or loosening forces of a clamp.
  • at least one vent 28 is formed through the wall of the body 11a so as to use the outer wall 29 to protect the vent 28 from the rain.
  • the material of the handle 22a corresponds to the material of the body 11a or to the material of the ring 12a or even to a third separate material.
  • these two elements are preferably made together in one piece.
  • the handle 22a can be glued to the body 11a or fixed by any other known means.
  • the handle 22a can have a different shape without changing the invention.
  • the Figures 5 to 8 illustrate a protective cap 10b which is not part of the invention but intended to cover the valve 49 with a gas cylinder.
  • the cap 10b comprises a body 11b , a ring 12b and a handle 22b made of plastic.
  • the handle 22b is directly fixed to the body 11b and extends radially relative to the body 11b .
  • the handle 22b is solidified by a reinforcing bar 41 fixed to the body 11b below the handle 22b which extends parallel to the handle 22b.
  • One end of the reinforcement bar 41, opposite the body 11b, is connected to one end of the handle 22b, opposite the body 11b , by an external upright 42.
  • a first part 40a of the drive means is disposed above the handle 22b. This first part 40a is fixed both on the body 11b and on the handle 22b and extends radially relative to the body 11b .
  • the first part 40b has a central lip 46a extending parallel to the axis of the body 11b and has three cells disposed on either side of this central lip 46a.
  • the first part 40a forms an isosceles triangular piece, the base of which is fixed to the width of the handle 22b and the upper end of which is directed towards the upper end 21 of the body 10b .
  • a second part 40b of the drive means is fixed to the body 11b .
  • the second part 40b is diametrically opposite the first part 40a with respect to the body 11b .
  • the second part 40b has a central lip 46b and two cells disposed on either side of this central lip 46b so as to form an isosceles triangular part.
  • the drive means 40a-40b thus make it possible to improve access to the clamp intended to tighten or loosen the cap 10b on a gas bottle.
  • the upper end 21 of the body 11b is not closed and has an upper rim 43 extending radially towards the inside of the body 11b to improve the solidity of the body 11b in the event of an impact at the level of the upper end 21.
  • the reinforcing bar 41 and the handle 22b have a profile adapted to follow the curvature of the upper surface 48 of a gas bottle thus improving the aesthetics and the ergonomics of the cap 10b.
  • a lower flange 44 made in one piece with the body 11b , extends axially at the level of the lower end 20 of the body 11b in order to come into contact with the upper surface 48 of the gas cylinder and guarantee that the reinforcing bar 41 do not touch the gas cylinder.
  • This lower flange 44 makes it possible to integrate a distinctive pattern on the cap 10b , for example a color associated with a mark or with a container of the gas bottle.
  • the Figures 9 to 12 illustrate a protective cap 10c which is not part of the invention, and intended to cover the valve 49 with a gas cylinder.
  • the cap 10c comprises a body 11c , a ring 12c and a handle 22c made of plastic.
  • the handle 22c does not have a reinforcement bar 41 but a cellular reinforcement structure 47 disposed under the handle 22c.
  • the drive means 40c opposite the handle 22c have three cells unlike the drive means 40b 2. of the previous example so as to strengthen the solidity of the drive means 40a, 40c.
  • the cap 10a-10b is targeted on the thread 51 of the valve 49 of a gas bottle until it comes into contact with the upper surface 48 of a gas bottle.
  • the ring 12c has a shoulder 45 configured to form a support stop so that the cap 10c is aimed at the gas bottle until the thread 51 of the gas bottle abuts against the shoulder 45.
  • This mode fixing form a space 50 between the upper wall 48 of the gas cylinder and the lower end 20 of the cap 10c but the risk of damage to the valve 49 on this space 50 is less than the risk of damage to the upper end of the valve 49 when the valve 49 protrudes from the cap 10c.
  • the invention thus makes it possible to reduce the weight of a cap 10 of a gas cylinder while effectively responding to the constraints of impact resistance and tearing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (8)

  1. Schutzhaube (10a-10c) einer Gasflasche mit:
    - einem Körper (11a-11c), konfiguriert zum Abdecken des Ventils einer Gasflasche und
    - einem Ring (12a-12c) am Körper (11a-11c) befestigt und versehen mit einem Gewinde (13), passend zum Gewinde einer Gasflasche, um die Haube (10a-10c) auf einer Gasflasche zu halten,
    - einem Griff (22a-22c), der am Körper (11a-11c) befestigt ist, wobei der Griff (22a-22c) dadurch gekennzeichnet ist, dass er umfasst:
    - zwei Stützen (25), die an den Seiten des Körpers (11a-11c) befestigt sind und entlang des Körpers (11a-11c) verlaufen,
    - eine Greifstange (23), mit Abstand zu den Stützen (25), die senkrecht zu den Stützen (25) verläuft, und
    - zwei Verbindungsarme (24), die jeweils ein anderes Ende der Greifstange (23) mit einer Stütze (25) verbinden.
  2. Haube nach Anspruch 1, dadurch gekennzeichnet, dass sie mindestens eine Öffnung (28) enthält, so konfiguriert, dass Gas zwischen dem Innenraum des Körpers (11a-11c) und der Außenseite des Körpers (11a-11c) entweichen kann, die Öffnung (28) ist dabei in einer Aussparung der Stützen (25) angeordnet.
  3. Haube nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass jede Stütze (25) eine im Wesentlichen plane Außenwand (29) aufweist, die dazu konfiguriert ist, den Spann- und/ oder Lösekräften einer Zange zu widerstehen.
  4. Haube nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Körper (11a-11c) und der Ring (12a-12c) aus mindestens zwei verschiedenen Kunststoffen bestehen, der erste Kunststoff des Körpers (11a-11c) weist eine Bruchdehnung von über 200% auf, und ist in der Lage Erschütterungen des Körpers (11a-11c) zu absorbieren und der zweite Kunststoff des Rings (12a-12c) weist eine Bruchdehnung von unter 100% auf, und ist in der Lage, das Zusammenwirken des Gewindes (13) mit dem Gewinde einer Gasflasche zu gewährleisten.
  5. Haube nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Körper (11a-11c) über dem Ring (12a-12c) geformt ist.
  6. Haube nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Ring (12a-12c) eine Arretierung am Gewindeende oder eine Schulter (19) umfasst, konfiguriert um einen Stützanschlag zu bilden, die Haube soll dabei auf eine Gasflasche geschraubt zu werden, bis das Gewinde der Gasflasche gegen die Arretierung am Gewindeende oder die Schulter (19) stößt.
  7. Haube nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der zweite Kunststoff des Rings (12a-12c) ein Polyamid- Homo- oder Copolymer enthält.
  8. Haube nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der erste Kunststoff einem Homo- oder Copolymer auf Basis von Monomerethylen entspricht.
EP16197142.9A 2015-11-06 2016-11-03 Schutzhaube für gasflasche Active EP3165807B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1560671A FR3043443B1 (fr) 2015-11-06 2015-11-06 Chapeau de protection d'une bouteille de gaz

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EP3165807A2 EP3165807A2 (de) 2017-05-10
EP3165807A3 EP3165807A3 (de) 2017-06-07
EP3165807B1 true EP3165807B1 (de) 2020-01-01

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725187B1 (fr) * 1994-09-30 1996-12-13 Totalgaz Cie Fse Organe de manutention d'un objet, notamment d'une bouteille de gaz liquefie
FR2791757B1 (fr) * 1999-04-01 2001-06-15 Air Liquide Chapeau ouvert composite de grandes bouteilles de gaz industriels et medicaux
GB0522048D0 (en) * 2005-10-28 2005-12-07 Boc Group Plc Valve guard assembly
FR2897920B1 (fr) * 2006-02-24 2008-06-20 Codecom Sarl Chapeau de protection et de manipulation d'une bouteille metallique formant recipient sous pression, notamment une bouteille de gaz de petrole liquefie, et procedes de fabrication d'un tel chapeau
DE102011014064A1 (de) 2011-03-16 2012-09-20 Messer Gaspack Gmbh Originalitätssicherung für Druckgasflaschen
FR3011061B1 (fr) 2013-09-26 2015-09-11 Air Liquide Medical Systems Dispositif de stockage de fluide et procede de montage d'un chapeau sur un tel dispositif
FR3018581B1 (fr) * 2014-03-12 2017-01-27 Air Liquide Capotage avec rebord de protection de l'organe de commande rotatif d'un bloc robinet de recipient de gaz
FR3019623B1 (fr) * 2014-04-02 2021-01-22 Cie Des Gaz De Petrole Primagaz Poignee pour un reservoir mobile, comprenant un dispositif de communication

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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FR3043443A1 (fr) 2017-05-12
EP3165807A2 (de) 2017-05-10
FR3043443B1 (fr) 2018-04-13
EP3165807A3 (de) 2017-06-07

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