EP2058579A2 - Removable protective enclosure for a tank containing fluid under pressure, suitable removal tool and use of such a tool - Google Patents

Removable protective enclosure for a tank containing fluid under pressure, suitable removal tool and use of such a tool Download PDF

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Publication number
EP2058579A2
EP2058579A2 EP08291045A EP08291045A EP2058579A2 EP 2058579 A2 EP2058579 A2 EP 2058579A2 EP 08291045 A EP08291045 A EP 08291045A EP 08291045 A EP08291045 A EP 08291045A EP 2058579 A2 EP2058579 A2 EP 2058579A2
Authority
EP
European Patent Office
Prior art keywords
envelope
base
container
casing
tool
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.)
Withdrawn
Application number
EP08291045A
Other languages
German (de)
French (fr)
Other versions
EP2058579A3 (en
Inventor
Frédéric Martin
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.)
TotalEnergies Marketing Services SA
Original Assignee
Total Raffinage Marketing SA
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
Application filed by Total Raffinage Marketing SA filed Critical Total Raffinage Marketing SA
Publication of EP2058579A2 publication Critical patent/EP2058579A2/en
Publication of EP2058579A3 publication Critical patent/EP2058579A3/en
Withdrawn legal-status Critical Current

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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
    • F17C13/08—Mounting arrangements for vessels
    • F17C13/084—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
    • 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
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0111—Boxes
    • 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
    • F17C2205/0103—Exterior arrangements
    • F17C2205/0115—Dismountable protective hulls
    • 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
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/0126—One vessel
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/011—Improving strength
    • 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
    • F17C2270/01—Applications for fluid transport or storage
    • 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 invention relates to a removable protective envelope for a container of pressurized fluid, a suitable disassembly tool, and the use of such a tool.
  • the invention particularly relates to containers for receiving gas under pressure.
  • Pressurized fluid tanks are generally containers with a valve at their upper end.
  • Some containers are provided with a protective envelope which partially or completely surrounds the container, this envelope being provided with an opening at the upper end to allow the passage of the valve of the container.
  • documents WO 01 59358 and FR 2,875,891 describe an envelope formed of several parts enclosing the container, these parts being permanently fixed together by connecting elements, so that it is necessary to break these connecting elements to open the envelope and inspect the metal container. A simple inspection of the container thus requires the change of the envelope.
  • the invention aims to overcome these drawbacks by proposing a removable protective envelope, the latter being designed to allow rapid disengagement of a portion of the envelope to extract the container or to change all or part of the envelope .
  • the invention also relates to a tool for rapid disassembly of such an envelope.
  • a first object of the invention relates to a removable protective envelope for a container of pressurized fluid, said envelope being formed of at least two parts interconnected by securing means so as to form a closed envelope provided with an orifice for the passage of a valve mounted on the container, a first part forming a bottom able to rest stably on a flat surface, characterized in that the bottom is removable and is connected to an opening of the other part of the envelope by means of at least one retractable connecting element, said opening being sufficient to allow extraction of the container, and in that the bottom is provided with at least one orifice located under the retractable connecting element and opening on the bottom wall intended to rest on the ground, said orifice being adapted to allow the passage of a pin of a tool for disengagement of said retractable connecting member.
  • the connecting element is formed of a tongue, one end of which is connected to the edge of each orifice via an elastic pivot connection and the other end of which is folded in order to be suitable. to engage with a wall of the casing, the elastic pivot connection maintaining the tongue engaged with the casing, in an inclined position above the corresponding orifice.
  • edges of said orifice project at least partly towards the container substantially perpendicular to the wall of the bottom, so as to form guides for the introduction of the pin.
  • the bottom is provided with side walls flaring towards the container, in which is formed at least one cutout adapted to receive a centering element of a tool.
  • the upper edge of this cutout can serve in particular to support the centering element.
  • this cut forms a gripping zone of the envelope, thus allowing the user to easily grasp the envelope by its bottom.
  • the envelope comprises at least two retractable connecting elements and two corresponding orifices, preferably at least four.
  • the casing is formed of the removable bottom, two half-shells adapted to cover the side walls of the container and a cover coming to cover the upper part of the container, the lid and the bottom being secured respectively at the upper and lower ends of the two assembled half-shells.
  • the inner wall of the two half-shells may be provided with projecting ribs extending substantially parallel to the axis of the reservoir and forming air circulation channels between the casing and the container, these channels communicating with openings made in the bottom and the lid.
  • openings may correspond to the cuts described above intended to receive the centering elements of the tool and forming gripping areas.
  • Another object of the invention relates to a disassembly tool for disassembling a protective envelope according to the invention, comprising a base able to rest on a flat surface and intended to receive the bottom of said envelope, the base being provided with at least one protruding pin perpendicularly adapted to be introduced into the corresponding orifice provided in the bottom of said envelope in order to disengage the connecting element from said envelope and to separate the bottom of the other part of the envelope .
  • the base is provided with at least one centering element adapted to cooperate with a cutout made in the side wall of the bottom of the envelope, in order to position the base relative to the base.
  • a centering element facilitates the correct positioning of the envelope on the disassembly tool.
  • the centering element may be configured to bear against the upper edge of the bottom cutout to support said bottom.
  • the disassembly tool may then comprise a damping element placed between the centering element and the base. This avoids a sudden shock to the envelope and the container it protects in case the set would be posed brutally on the base.
  • the centering element is mounted on two substantially vertical axes integral with the base so as to slide along the axes.
  • Each axis can then be provided with a helical spring placed between the base and the centering element in order to damp the movements of the centering element towards the base, which makes it possible to avoid deterioration of the element or elements. retractable link, while protecting the envelope and its contents against shocks.
  • the disassembly tool comprises at least two centering elements.
  • the centering element advantageously consists of at least one attachment system of the bottom of the envelope which holds it at the time of disassembly of the bottom of the rest of the envelope.
  • this centering element makes it possible to connect the bottom to the tool in two stages.
  • at least two centering elements are introduced into the appropriate cavities of the bottom of the casing, for example an annular recess comprising at least two arcs, then by rotational movement the hooks are fixed on the bottom of the casing. envelope at the junction of these arches.
  • disassembly of the envelope can be done only when the bottom is fixed: in this embodiment, the disengagement pins are vertically reassembled in the bottom of the envelope fixed by the centering element, to disengage the connecting element and disassemble the bottom of the rest of the envelope.
  • the invention also relates to the use of a disassembly tool according to the invention to disassemble the bottom of a protective envelope of a pressure fluid container according to the invention, wherein the container is positioned on the base of the tool so that the centering element (s) engages (s) in the corresponding cutouts made in the bottom of the casing thus allowing the immediate disengagement or after actuation of the retractable connecting element or elements between the bottom and the other part of the envelope.
  • the figure 1 represents a removable protective envelope 10 for a container 1 of fluid under pressure.
  • the fluid container used is made of metallic material, but any other suitable material can be envisaged.
  • the removable envelope 10 is made of rigid material, preferably made of plastic, for example polypropylene or polyethylene.
  • the envelope 10 comprises a removable bottom 11 capable of stably resting on a flat surface, two half-shells 12 adapted to cover the side walls of the container and a cover 13 coming to cover the upper part of the container.
  • the lid and the bottom are secured respectively to the upper and lower ends of the two half-shells 12 assembled.
  • the two half-shells 12 are identical and joined in a median vertical plane.
  • the lid is further provided with an orifice 14 for the passage of the valve 15 of the container 1 and two handles 16 made in one piece with the lid.
  • the handles and the cover can be made in several parts secured to one another.
  • the bottom 11 is provided with rolling means 20.
  • the rolling means comprise two rollers 20 mounted on a substantially horizontal axis. These rollers can be notched to promote the rolling of the tank. They are located near an edge of the bottom wall forming the seat of the envelope, so as not to project from the plane of said bottom wall.
  • the bottom 11, the two half-shells 12 and the cover 13 are provided with securing means (not shown) so as to form the closed envelope 10. It is for example clipping means.
  • one of the parts may be provided with one or more flexible tongues whose end engages with a wall provided for this purpose of the other part to be assembled.
  • the inner wall of the two half-shells is further provided with projecting ribs (not shown) extending substantially parallel to the axis of the container and forming air flow channels between the casing and the reservoir, these channels communicating with openings 17, 18 formed in the cover 13 and the bottom 11, respectively.
  • the inner wall of the two half-shells may also comprise ribs extending substantially horizontally and projecting towards the container.
  • the bottom 11 is connected to the two half-shells 12 by retractable fastening means, and the two half-shells 12 are designed to allow the introduction of the container through their lower opening, when the bottom is takes away.
  • the bottom 11 is also provided with orifices 110 located under each of said retractable connecting elements and opening on the bottom wall intended to rest on the ground, said orifices 110 being able to allow the passage of pins of a tool for disengagement said retractable connecting elements.
  • the retractable connecting elements are each formed of a tongue 112, one end of which is connected to the edge of each orifice 110 via an elastic pivot connection 114 and the other end 116 of which is folded back.
  • the elastic pivot connection holding the tongue engaged with the casing, in an inclined position above the corresponding orifice.
  • Each tongue 112 may be integral with the bottom 11, the pivot connection being formed by a pin 114 housed in the bottom of a U-shaped portion of the end of the tongue connected to the bottom, to force the tongue towards the side walls of the envelope.
  • each tongue 112 engages with a return 19 of the wall forming a half-shell 12, this return protruding substantially horizontally towards the container 1 (see figure 5 ).
  • the folded end 116 of each tongue thus extends into direction of the corresponding half-shell 12, while the pivot connection 114 forces the tongue in the direction of the half-shell.
  • edges of the orifices 110 project at least partly towards the container, substantially perpendicular to the wall of the bottom, so as to form guides for the introduction of the pins of the disassembly tool.
  • the protective envelope 10 comprises four retractable connecting elements 112 and four corresponding orifices 110.
  • the bottom 11 is also provided with side walls flaring towards the container, in which are formed cuts adapted to receive a centering element of a tool.
  • these cutouts form the orifices 18 described above, which allow the ventilation of the container.
  • These cuts may also be designed to form a gripping area of the envelope.
  • the figure 2 represents a disassembly tool 30 according to the invention, for dismantling a protective envelope 10 according to the invention.
  • This tool 30 comprises a base 31 adapted to rest on a flat surface and for receiving the bottom 11 of the envelope.
  • the base 31 is provided with pins 32 projecting perpendicularly from the base, able to be introduced into the corresponding orifices 110 provided in the bottom 11 of the envelope in order to disengage the connecting elements 112 from said envelope and to allow the separation of the bottom 11 from the rest of the envelope.
  • the base 31 is provided with four pins 32.
  • the base is provided with at least one centering element 33 adapted to cooperate with a cutout 18 made in the side wall of the bottom of the envelope, in order to position the base relative to the base.
  • these centering elements are three in number.
  • each centering element 33 is configured to bear against the upper edge of the cutout 18 of the bottom to support said bottom.
  • the cutouts 18 have a shape of a symmetrical trapezium whose small base forms the upper edge of each cut.
  • the centering elements 33 have a parallelepipedal shape which has a section in a vertical plane substantially of the same trapezoidal shape as the cut (see FIG. figures 2 and 6 ).
  • the latter comprises a damping element placed between each centering element 33 and the base 31.
  • each centering element 33 is mounted on two substantially vertical axes 34 integral with the base 31 so as to be able to slide along these axes 34.
  • Each axis 34 is provided with a helical spring 35 placed between the base 31 and the corresponding centering element 33 (see FIG. figure 6 ), in order to damp the movements of the centering element towards the base.
  • the disassembly of a protective envelope comprising two half-shells, a lid and a bottom surrounding a container, as described above, is made in the following manner.
  • the bottom of the envelope is placed on the base of the tool, so that the centering elements 33 are positioned in the cutouts 18 of the bottom of the envelope.
  • the inclined walls of the centering elements and cutouts facilitate this implementation.
  • the envelope is then in the position represented on the figure 6 .
  • the envelope can then be released, and descends slowly, under the effect of its own weight due to the damping sliding of the centering elements 33 on their axes 34.
  • a vertical pressure from top to bottom exerted manually or by a tool allows lower the envelope until it is in contact with the base.
  • the pins 32 When the bottom of the envelope rests on the base, the pins 32 are then in a position where they enter the envelope through the orifices 110 of the bottom and maintain the tongues 112 spaced from their clipping position with the half-shells 12, as visible on the figure 5 . It is then sufficient to lift the two half-shells assembled to the cover to access the container 1 protected by the envelope.
  • the connecting elements 112 and pins 32 may be envisaged.
  • the centering elements and damping elements of the tool can be made differently.
  • the connecting elements and the pins may be arranged to ensure the centering of the tool.
  • the damping elements when they are present, they can be designed to be directly in contact with the envelope to be disassembled. They may for example consist of a shock-absorbing coating covering at least partially the base of the tool receiving the envelope.
  • the figure 7 represents a disassembly tool 30 according to the invention, for dismantling a protective envelope 10 according to the invention.
  • This tool 30 comprises a base 31 adapted to rest on a flat surface and for receiving the bottom 11 of the envelope.
  • the base 31 is provided with movable pins 32 which can protrude perpendicularly from the base under the action of a pedal or a gas under pressure, these pins being able to be introduced into the corresponding orifices 110 provided in the bottom 11 of the envelope to disengage the connecting elements 112 of said envelope and to allow the separation of the bottom 11 of the rest of the envelope.
  • the base 31 is provided with four pins 32.
  • the base is provided with a centering element 33 adapted to cooperate with an annular cutout 18 made in the bottom of the envelope comprising a plurality of arcs separated by links 18 ', in order to position the base relative to the base and then to fix it to the tool.
  • the centering element 33 is configured so as to catch on the links 18 'of the annular cutout 18 by means of four hooks 34 integral with a pivoting disc equipped with a handle, the cooperation between the centering element and the bottom of the casing being obtained by operating the handle so as to make the hooks 34 of the links 18 'integral. Only when the bottom is attached to the base, the pins are actuated to cause disassembly.
  • the bottle is first attached to the base before being disassembled.
  • the advantage of this tool will appear to the user more particularly reassembly because the clipping of the different parts will not be hindered by the presence of the pins 32 which will no longer fit into the bottom of the envelope of the bottle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Devices For Opening Bottles Or Cans (AREA)

Abstract

The cover (10) has a portion forming a disassembling bottom (11) stably retained on a flat surface, where the bottom is detachable and connected to an opening of another portion of the cover by a retractable connection element e.g. flap. The opening is sufficient for allowing extraction of a pressurized fluid container, and the bottom is provided with an orifice formed below the connection element. The orifice is opened on a bottom wall to be retained on a ground, and allows a passage of a pin of a disassembling tool for withdrawing the connection element.

Description

L'invention concerne une enveloppe protectrice démontable pour récipient de fluide sous pression, un outil de démontage adapté, et l'utilisation d'un tel outil.The invention relates to a removable protective envelope for a container of pressurized fluid, a suitable disassembly tool, and the use of such a tool.

L'invention concerne notamment les récipients destinés à recevoir du gaz sous pression.The invention particularly relates to containers for receiving gas under pressure.

Les réservoirs de fluide sous pression sont généralement des récipients équipés d'une valve à leur extrémité supérieure.Pressurized fluid tanks are generally containers with a valve at their upper end.

Certains récipients sont pourvus d'une enveloppe protectrice qui entoure partiellement ou complètement le récipient, cette enveloppe étant pourvue d'une ouverture au niveau de l'extrémité supérieure afin de permettre le passage de la valve du récipient.Some containers are provided with a protective envelope which partially or completely surrounds the container, this envelope being provided with an opening at the upper end to allow the passage of the valve of the container.

Par exemple, les documents WO 01 59358 et FR 2 875 891 décrivent une enveloppe formée de plusieurs parties enfermant le récipient, ces parties étant solidarisées de manière définitive entre elles par des éléments de liaison, de sorte qu'il est nécessaire de casser ces éléments de liaison pour ouvrir l'enveloppe et inspecter le récipient métallique. Une simple inspection du récipient nécessite ainsi le changement de l'enveloppe.For example, documents WO 01 59358 and FR 2,875,891 describe an envelope formed of several parts enclosing the container, these parts being permanently fixed together by connecting elements, so that it is necessary to break these connecting elements to open the envelope and inspect the metal container. A simple inspection of the container thus requires the change of the envelope.

D'autres documents décrivent des enveloppes en plusieurs parties reliées de manière à pouvoir être séparées. C'est le cas du document FR 2 892 797 qui décrit une enveloppe formée d'un fourreau fermée par un fond vissé. C'est également le cas du document FR 2 707 369 , qui décrit une enveloppe formée de deux parties reliées par des éléments de liaison escamotables, ce qui permet de les séparer sans destruction. Ces éléments de liaison sont conçus de manière à ce que la séparation ne puisse être effectuée que par des professionnels. Ils ne permettent cependant pas une séparation rapide des parties de l'enveloppe.Other documents describe multi-part envelopes connected so that they can be separated. This is the case of the document FR 2 892 797 which describes an envelope formed of a sheath closed by a screwed bottom. This is also the case of the document FR 2,707,369 , which describes an envelope formed of two parts connected by retractable connecting elements, which allows to separate them without destruction. These connecting elements are designed in such a way that separation can only be performed by professionals. However, they do not allow rapid separation of the parts of the envelope.

Bien que les différentes parties formant ces enveloppes puissent être désolidarisées, la séparation en elle-même ne peut être réalisée rapidement et simplement, l'enveloppe devant être maintenue pendant le dévissage du fond ou la séparation des parties reliées par les éléments de liaison escamotable. Il en résulte une perte de temps lors de l'inspection des récipients ou du changement de l'enveloppe.Although the various parts forming these envelopes can be detached, the separation itself can not be performed quickly and simply, the envelope to be maintained during the unscrewing of the bottom or the separation of the parts connected by the retractable connecting elements. This results in a loss of time during the inspection of the containers or the change of the envelope.

L'invention vise à pallier ces inconvénients en proposant une enveloppe protectrice démontable, cette dernière étant conçue de manière à permettre une désolidarisation rapide d'une partie de l'enveloppe afin d'extraire le récipient ou de changer tout ou partie de l'enveloppe. A cet effet, l'invention concerne également un outil de démontage rapide d'une telle enveloppe.The invention aims to overcome these drawbacks by proposing a removable protective envelope, the latter being designed to allow rapid disengagement of a portion of the envelope to extract the container or to change all or part of the envelope . For this purpose, the invention also relates to a tool for rapid disassembly of such an envelope.

Un premier objet de l'invention concerne une enveloppe protectrice démontable pour récipient de fluide sous pression, ladite enveloppe étant formée d'au moins deux parties reliées entre elles par des moyens de solidarisation de manière à former une enveloppe fermée pourvue d'un orifice pour le passage d'une valve montée sur le récipient, une première partie formant un fond apte à reposer de manière stable sur une surface plane, caractérisée en ce que le fond est amovible et est relié à une ouverture de l'autre partie de l'enveloppe au moyen d'au moins un élément de liaison escamotable, ladite ouverture étant suffisante pour permettre l'extraction du récipient, et en ce que le fond est pourvu d'au moins un orifice situé sous l'élément de liaison escamotable et débouchant sur la paroi du fond destinée à reposer sur le sol, ledit orifice étant apte à permettre le passage d'un pion d'un outil pour le désengagement dudit élément de liaison escamotable.A first object of the invention relates to a removable protective envelope for a container of pressurized fluid, said envelope being formed of at least two parts interconnected by securing means so as to form a closed envelope provided with an orifice for the passage of a valve mounted on the container, a first part forming a bottom able to rest stably on a flat surface, characterized in that the bottom is removable and is connected to an opening of the other part of the envelope by means of at least one retractable connecting element, said opening being sufficient to allow extraction of the container, and in that the bottom is provided with at least one orifice located under the retractable connecting element and opening on the bottom wall intended to rest on the ground, said orifice being adapted to allow the passage of a pin of a tool for disengagement of said retractable connecting member.

Dans un mode de réalisation, l'élément de liaison est formé d'une languette dont une extrémité est reliée au bord de chaque orifice par l'intermédiaire d'une liaison pivot élastique et dont l'autre extrémité est repliée afin d'être apte à venir en prise avec une paroi de l'enveloppe, la liaison pivot élastique maintenant la languette en prise avec l'enveloppe, dans une position inclinée au dessus de l'orifice correspondant.In one embodiment, the connecting element is formed of a tongue, one end of which is connected to the edge of each orifice via an elastic pivot connection and the other end of which is folded in order to be suitable. to engage with a wall of the casing, the elastic pivot connection maintaining the tongue engaged with the casing, in an inclined position above the corresponding orifice.

Avantageusement, les bords dudit orifice saillent au moins en partie vers le récipient sensiblement perpendiculairement à la paroi du fond, de manière à former des guides pour l'introduction du pion.Advantageously, the edges of said orifice project at least partly towards the container substantially perpendicular to the wall of the bottom, so as to form guides for the introduction of the pin.

Avantageusement, le fond est pourvu de parois latérales s'évasant en direction du récipient, dans lesquelles est réalisée au moins une découpe apte à recevoir un élément de centrage d'un outil.Advantageously, the bottom is provided with side walls flaring towards the container, in which is formed at least one cutout adapted to receive a centering element of a tool.

Le bord supérieur de cette découpe peut notamment servir d'appui à l'élément de centrage.The upper edge of this cutout can serve in particular to support the centering element.

Avantageusement, cette découpe forme une zone de préhension de l'enveloppe, permettant ainsi à l'utilisateur de saisir aisément l'enveloppe par son fond.Advantageously, this cut forms a gripping zone of the envelope, thus allowing the user to easily grasp the envelope by its bottom.

De préférence, l'enveloppe comprend au moins deux éléments de liaison escamotables et deux orifices correspondants, de préférence au moins quatre.Preferably, the envelope comprises at least two retractable connecting elements and two corresponding orifices, preferably at least four.

Dans un mode de réalisation particulier, l'enveloppe est formée du fond amovible, de deux demi-coques aptes à recouvrir les parois latérales du récipient et d'un couvercle venant recouvrir la partie supérieure du récipient, le couvercle et le fond étant solidarisés respectivement aux extrémités supérieure et inférieure des deux demi-coques assemblées.In a particular embodiment, the casing is formed of the removable bottom, two half-shells adapted to cover the side walls of the container and a cover coming to cover the upper part of the container, the lid and the bottom being secured respectively at the upper and lower ends of the two assembled half-shells.

Plus particulièrement, la paroi interne des deux demi-coques peut être pourvue de nervures en saillies s'étendant sensiblement parallèlement à l'axe du réservoir et formant des canaux de circulation d'air entre l'enveloppe et le récipient, ces canaux communiquant avec des ouvertures réalisées dans le fond et le couvercle.More particularly, the inner wall of the two half-shells may be provided with projecting ribs extending substantially parallel to the axis of the reservoir and forming air circulation channels between the casing and the container, these channels communicating with openings made in the bottom and the lid.

Une telle configuration permet d'assurer une circulation d'air autour du récipient lorsque ce dernier est enfermé dans l'enveloppe, cette circulation d'air favorisant les échanges thermiques entre le récipient et l'air extérieur.Such a configuration makes it possible to ensure air circulation around the container when the latter is enclosed in the envelope, this circulation of air favoring heat exchanges between the container and the outside air.

Ces ouvertures peuvent correspondre aux découpes décrites plus haut destinées à recevoir les éléments de centrage de l'outil et formant des zones de préhension.These openings may correspond to the cuts described above intended to receive the centering elements of the tool and forming gripping areas.

Un autre objet de l'invention concerne un outil de démontage destiné au démontage d'une enveloppe de protection selon l'invention, comprenant un socle apte à reposer sur une surface plane et destiné à recevoir le fond de ladite enveloppe, le socle étant pourvu d'au moins un pion saillant perpendiculairement, apte à être introduit dans l'orifice correspondant prévu dans le fond de ladite enveloppe afin de désengager l'élément de liaison de ladite enveloppe et de séparer le fond de l'autre partie de l'enveloppe.Another object of the invention relates to a disassembly tool for disassembling a protective envelope according to the invention, comprising a base able to rest on a flat surface and intended to receive the bottom of said envelope, the base being provided with at least one protruding pin perpendicularly adapted to be introduced into the corresponding orifice provided in the bottom of said envelope in order to disengage the connecting element from said envelope and to separate the bottom of the other part of the envelope .

Il suffit ainsi de poser l'enveloppe sur le socle pour désengager l'élément de liaison et désassembler le fond du reste de l'enveloppe. Ainsi l'opérateur n'a pas besoin de maintenir l'outil, il lui suffit de placer l'enveloppe sur l'outil et d'ôter la partie supérieure de l'enveloppe. Le démontage peut ainsi être réalisé très simplement et rapidement. La pression à effectuer pour désengager l'élément de liaison et désassembler le fond du reste de l'enveloppe peut être exercée manuellement ou au moyen d'un outil, tel qu'une presse.Just put the envelope on the base to disengage the connecting element and disassemble the bottom of the rest of the envelope. Thus the operator does not need to hold the tool, he just put the envelope on the tool and remove the upper part of the envelope. Disassembly can be done very simply and quickly. The pressure to be performed to disengage the connecting element and disassemble the bottom of the rest of the envelope can be exerted manually or by means of a tool, such as a press.

Avantageusement, le socle est pourvu d'au moins un élément de centrage apte à coopérer avec une découpe réalisée dans la paroi latérale du fond de l'enveloppe, afin de positionner le fond par rapport au socle. Un tel élément de centrage permet de faciliter le positionnement correct de l'enveloppe sur l'outil de démontage.Advantageously, the base is provided with at least one centering element adapted to cooperate with a cutout made in the side wall of the bottom of the envelope, in order to position the base relative to the base. Such a centering element facilitates the correct positioning of the envelope on the disassembly tool.

Plus particulièrement, l'élément de centrage peut être configuré de manière à venir en appui contre le bord supérieur de la découpe du fond afin de supporter ledit fond.More particularly, the centering element may be configured to bear against the upper edge of the bottom cutout to support said bottom.

L'outil de démontage peut alors comprendre un élément amortisseur placé entre l'élément de centrage et le socle. Cela permet d'éviter un choc brutal à l'enveloppe et au récipient qu'elle protège au cas où l'ensemble serait posé brutalement sur le socle.The disassembly tool may then comprise a damping element placed between the centering element and the base. This avoids a sudden shock to the envelope and the container it protects in case the set would be posed brutally on the base.

Dans un mode de réalisation particulier, l'élément de centrage est monté sur deux axes sensiblement verticaux solidaires du socle de manière à pouvoir coulisser le long des axes.In a particular embodiment, the centering element is mounted on two substantially vertical axes integral with the base so as to slide along the axes.

Chaque axe peut alors être pourvu d'un ressort hélicoïdal placé entre le socle et l'élément de centrage afin d'amortir les déplacements de l'élément de centrage en direction du socle, ce qui permet d'éviter une détérioration du ou des éléments de liaison escamotables, tout en protégeant l'enveloppe et son contenu contre les chocs.Each axis can then be provided with a helical spring placed between the base and the centering element in order to damp the movements of the centering element towards the base, which makes it possible to avoid deterioration of the element or elements. retractable link, while protecting the envelope and its contents against shocks.

Avantageusement, l'outil de démontage comprend au moins deux éléments de centrage.Advantageously, the disassembly tool comprises at least two centering elements.

Dans un autre mode de réalisation, l'élément de centrage est constitué avantageusement d'au moins un système d'accroche du fond de l'enveloppe qui le retient au moment du désassemblage du fond d'avec le reste de l'enveloppe. De façon avantageuse, cet élément de centrage permet de raccorder le fond à l'outil en deux temps. Dans un premier temps, au moins deux éléments de centrage sont introduits dans les cavités appropriées du fond de l'enveloppe, par exemple un évidement annulaire comportant au moins deux arcs, puis par mouvement de rotation les crochets se fixent sur le fond de l'enveloppe à la jonction de ces arcs. Bien entendu, le démontage de l'enveloppe ne se peut se faire que lorsque le fond est fixé : dans ce mode de réalisation, les pions de désengagement sont remontés verticalement dans le fond de l'enveloppe fixé par l'élément de centrage, pour désengager l'élément de liaison et désassembler le fond du reste de l'enveloppe.In another embodiment, the centering element advantageously consists of at least one attachment system of the bottom of the envelope which holds it at the time of disassembly of the bottom of the rest of the envelope. Advantageously, this centering element makes it possible to connect the bottom to the tool in two stages. In a first step, at least two centering elements are introduced into the appropriate cavities of the bottom of the casing, for example an annular recess comprising at least two arcs, then by rotational movement the hooks are fixed on the bottom of the casing. envelope at the junction of these arches. Of course, disassembly of the envelope can be done only when the bottom is fixed: in this embodiment, the disengagement pins are vertically reassembled in the bottom of the envelope fixed by the centering element, to disengage the connecting element and disassemble the bottom of the rest of the envelope.

L'invention concerne également l'utilisation d'un outil de démontage selon l'invention pour démonter le fond d'une enveloppe protectrice d'un récipient de fluide sous pression selon l'invention, dans laquelle le récipient est positionné sur le socle de l'outil de sorte que le ou les éléments de centrage s'engage(nt) dans la ou les découpes correspondantes réalisées dans le fond de l'enveloppe permettant ainsi le désengagement immédiat ou après actionnement du ou des éléments de liaison escamotables entre le fond et l'autre partie de l'enveloppe.The invention also relates to the use of a disassembly tool according to the invention to disassemble the bottom of a protective envelope of a pressure fluid container according to the invention, wherein the container is positioned on the base of the tool so that the centering element (s) engages (s) in the corresponding cutouts made in the bottom of the casing thus allowing the immediate disengagement or after actuation of the retractable connecting element or elements between the bottom and the other part of the envelope.

Il suffit alors d'ôter la partie supérieure de l'enveloppe, par exemple formée des deux demi-coques et d'un couvercle, ces parties restant assemblées entre elles, pour dégager le récipient contenant le fluide sous pression et le contrôler.It is then sufficient to remove the upper part of the envelope, for example formed of the two half-shells and a lid, these parts remaining assembled together, to clear the container containing the fluid under pressure and control.

L'invention est maintenant décrite en référence aux dessins annexés, non limitatifs, dans lesquels :

  • la figure 1 est une vue en perspective d'une enveloppe selon l'invention ;
  • la figure 2 est une vue en perspective d'un outil de démontage selon l'invention ;
  • la figure 3 est une vue de dessus du fond de l'enveloppe de la figure 1 reposant sur l'outil de démontage de la figure 2 ;
  • la figure 4 est une vue en coupe suivant la ligne C-C de la figure 3 ;
  • la figure 5 est une vue en coupe suivant la ligne A-A de la figure 3 ;
  • la figure 6 est une vue de côté du fond de l'enveloppe de la figure 1 et de l'outil de démontage de la figure 2, l'enveloppe ne reposant pas encore sur l'outil.
  • la figure 7 est une vue en perspective d'un deuxième outil de démontage selon l'invention ;
  • la figure 8 est une vue en coupe suivant la ligne D-D de la figure 7 ;
  • la figure 9 est une vue de dessus du fond de l'enveloppe de la figure 1 reposant sur l'outil de démontage de la figure 7 ;
  • la figure 10 est une vue en coupe suivant la ligne A-A de la figure 7 ;
The invention is now described with reference to the appended non-limiting drawings, in which:
  • the figure 1 is a perspective view of an envelope according to the invention;
  • the figure 2 is a perspective view of a disassembly tool according to the invention;
  • the figure 3 is a top view of the bottom of the envelope of the figure 1 based on the disassembly tool of the figure 2 ;
  • the figure 4 is a sectional view along the line CC of the figure 3 ;
  • the figure 5 is a sectional view along line AA of the figure 3 ;
  • the figure 6 is a side view of the bottom of the envelope of the figure 1 and the disassembly tool of the figure 2 , the envelope not yet resting on the tool.
  • the figure 7 is a perspective view of a second disassembly tool according to the invention;
  • the figure 8 is a sectional view along line DD of the figure 7 ;
  • the figure 9 is a top view of the bottom of the envelope of the figure 1 based on the disassembly tool of the figure 7 ;
  • the figure 10 is a sectional view along line AA of the figure 7 ;

La figure 1 représente une enveloppe protectrice démontable 10 pour un récipient 1 de fluide sous pression.The figure 1 represents a removable protective envelope 10 for a container 1 of fluid under pressure.

De préférence, le récipient de fluide utilisé est en matériau métallique, mais tout autre matériau adéquat peut être envisagé.Preferably, the fluid container used is made of metallic material, but any other suitable material can be envisaged.

L'enveloppe démontable 10 est en matériau rigide, de préférence en matière plastique, par exemple en polypropylène ou polyéthylène.The removable envelope 10 is made of rigid material, preferably made of plastic, for example polypropylene or polyethylene.

Dans l'exemple représenté, l'enveloppe 10 comprend un fond 11 amovible apte à reposer de manière stable sur une surface plane, deux demi coques 12 aptes à recouvrir les parois latérales du récipient et un couvercle 13 venant recouvrir la partie supérieure du récipient. Le couvercle et le fond sont solidarisés respectivement aux extrémités supérieure et inférieure des deux demi-coques 12 assemblées.In the example shown, the envelope 10 comprises a removable bottom 11 capable of stably resting on a flat surface, two half-shells 12 adapted to cover the side walls of the container and a cover 13 coming to cover the upper part of the container. The lid and the bottom are secured respectively to the upper and lower ends of the two half-shells 12 assembled.

Dans l'exemple, les deux demi-coques 12 sont identiques et réunies suivant un plan vertical médian.In the example, the two half-shells 12 are identical and joined in a median vertical plane.

Le couvercle est en outre pourvu d'un orifice 14 pour le passage de la valve 15 du récipient 1 et de deux poignées 16 réalisées d'une pièce avec le couvercle. Dans une variante non représentée, les poignées et le couvercle peuvent être réalisées en plusieurs parties solidarisées l'une à l'autre.The lid is further provided with an orifice 14 for the passage of the valve 15 of the container 1 and two handles 16 made in one piece with the lid. In a variant not shown, the handles and the cover can be made in several parts secured to one another.

Le fond 11 est pourvu de moyens de roulement 20. Dans l'exemple représenté, les moyens de roulement comprennent deux roulettes 20 montées sur un axe sensiblement horizontal. Ces roulettes peuvent être crantées afin de favoriser le roulement du réservoir. Elles sont situées à proximité d'un bord de la paroi de fond formant l'assise de l'enveloppe, de manière à ne pas saillir du plan de ladite paroi de fond.The bottom 11 is provided with rolling means 20. In the example shown, the rolling means comprise two rollers 20 mounted on a substantially horizontal axis. These rollers can be notched to promote the rolling of the tank. They are located near an edge of the bottom wall forming the seat of the envelope, so as not to project from the plane of said bottom wall.

Le fond 11, les deux demi-coques 12 et le couvercle 13 sont pourvus de moyens de solidarisation (non représentés) de manière à former l'enveloppe fermée 10. Il s'agit par exemple de moyens de clipsage. Par exemple, l'une des parties peut être pourvue d'une ou plusieurs languettes souples dont l'extrémité vient en prise avec une paroi prévue à cet effet de l'autre partie à assembler.The bottom 11, the two half-shells 12 and the cover 13 are provided with securing means (not shown) so as to form the closed envelope 10. It is for example clipping means. For example, one of the parts may be provided with one or more flexible tongues whose end engages with a wall provided for this purpose of the other part to be assembled.

La paroi interne des deux demi-coques est en outre pourvue de nervures en saillies (non représentées) s'étendant sensiblement parallèlement à l'axe du récipient et formant des canaux de circulation d'air entre l'enveloppe et le réservoir, ces canaux communiquant avec des ouvertures 17, 18 réalisées dans le couvercle 13 et le fond 11, respectivement.The inner wall of the two half-shells is further provided with projecting ribs (not shown) extending substantially parallel to the axis of the container and forming air flow channels between the casing and the reservoir, these channels communicating with openings 17, 18 formed in the cover 13 and the bottom 11, respectively.

La paroi interne des deux demi-coques peut également comprendre des nervures s'étendant sensiblement horizontalement et saillant vers le récipient.The inner wall of the two half-shells may also comprise ribs extending substantially horizontally and projecting towards the container.

Selon l'invention, le fond 11 est relié aux deux demi-coques 12 par des moyens de solidarisation escamotables, et les deux demi-coques 12 sont conçues de manière à permettre l'introduction du récipient par leur ouverture inférieure, lorsque le fond est ôté.According to the invention, the bottom 11 is connected to the two half-shells 12 by retractable fastening means, and the two half-shells 12 are designed to allow the introduction of the container through their lower opening, when the bottom is takes away.

Cela permet d'éviter de démonter entièrement l'enveloppe pour accéder au récipient. Ainsi, seuls les moyens de solidarisation reliant le fond aux coques peuvent être conçus escamotables, les autres moyens de solidarisation pouvant être définitifs.This avoids disassembling the entire envelope to access the container. Thus, only the securing means connecting the bottom to the shells can be designed retractable, the other securing means can be final.

Le fond 11 est également pourvu d'orifices 110 situés sous chacun desdits éléments de liaison escamotables et débouchant sur la paroi du fond destinée à reposer sur le sol, lesdits orifices 110 étant aptes à permettre le passage de pions d'un outil pour le désengagement desdits éléments de liaison escamotables.The bottom 11 is also provided with orifices 110 located under each of said retractable connecting elements and opening on the bottom wall intended to rest on the ground, said orifices 110 being able to allow the passage of pins of a tool for disengagement said retractable connecting elements.

Dans l'exemple représenté, les éléments de liaison escamotables sont chacun formés d'une languette 112 dont une extrémité est reliée au bord de chaque orifice 110 par l'intermédiaire d'une liaison pivot élastique 114 et dont l'autre extrémité 116 est repliée afin d'être apte à venir en prise avec une paroi de l'enveloppe, la liaison pivot élastique maintenant la languette en prise avec l'enveloppe, dans une position inclinée au dessus de l'orifice correspondant.In the example shown, the retractable connecting elements are each formed of a tongue 112, one end of which is connected to the edge of each orifice 110 via an elastic pivot connection 114 and the other end 116 of which is folded back. in order to be able to engage with a wall of the casing, the elastic pivot connection holding the tongue engaged with the casing, in an inclined position above the corresponding orifice.

Chaque languette 112 peut être venue de matière avec le fond 11, la liaison pivot étant formée par un téton 114 logé dans le fond d'une partie en forme de U de l'extrémité de la languette reliée au fond, afin de forcer la languette en direction des parois latérales de l'enveloppe.Each tongue 112 may be integral with the bottom 11, the pivot connection being formed by a pin 114 housed in the bottom of a U-shaped portion of the end of the tongue connected to the bottom, to force the tongue towards the side walls of the envelope.

Dans l'exemple, chaque languette 112 vient en prise avec un retour 19 de la paroi formant une demi-coque 12, ce retour saillant sensiblement horizontalement en direction du récipient 1 (voir figure 5). L'extrémité repliée 116 de chaque languette s'étend ainsi en direction de la demi-coque 12 correspondante, tandis que la liaison pivot 114 force la languette dans la direction de la demi-coque.In the example, each tongue 112 engages with a return 19 of the wall forming a half-shell 12, this return protruding substantially horizontally towards the container 1 (see figure 5 ). The folded end 116 of each tongue thus extends into direction of the corresponding half-shell 12, while the pivot connection 114 forces the tongue in the direction of the half-shell.

En outre, les bords des orifices 110 saillent au moins en partie vers le récipient, sensiblement perpendiculairement à la paroi du fond, de manière à former des guides pour l'introduction des pions de l'outil de démontage.In addition, the edges of the orifices 110 project at least partly towards the container, substantially perpendicular to the wall of the bottom, so as to form guides for the introduction of the pins of the disassembly tool.

Dans l'exemple, l'enveloppe protectrice 10 comprend quatre éléments de liaison escamotables 112 et quatre orifices 110 correspondants.In the example, the protective envelope 10 comprises four retractable connecting elements 112 and four corresponding orifices 110.

Le fond 11 est également pourvu de parois latérales s'évasant en direction du récipient, dans lesquelles sont réalisées des découpes aptes à recevoir un élément de centrage d'un outil. Dans l'exemple, ces découpes forment les orifices 18 décrits plus haut, qui permettent la ventilation du récipient.The bottom 11 is also provided with side walls flaring towards the container, in which are formed cuts adapted to receive a centering element of a tool. In the example, these cutouts form the orifices 18 described above, which allow the ventilation of the container.

Ces découpes peuvent également être conçues pour former une zone de préhension de l'enveloppe.These cuts may also be designed to form a gripping area of the envelope.

La figure 2 représente un outil de démontage 30 selon l'invention, destiné au démontage d'une enveloppe de protection 10 selon l'invention.The figure 2 represents a disassembly tool 30 according to the invention, for dismantling a protective envelope 10 according to the invention.

Cet outil 30 comprend un socle 31 apte à reposer sur une surface plane et destiné à recevoir le fond 11 de l'enveloppe. Le socle 31 est pourvu de pions 32 saillants perpendiculairement du socle, aptes à être introduits dans les orifices 110 correspondants prévus dans le fond 11 de l'enveloppe afin de désengager les éléments de liaison 112 de ladite enveloppe et de permettre la séparation du fond 11 du reste de l'enveloppe.This tool 30 comprises a base 31 adapted to rest on a flat surface and for receiving the bottom 11 of the envelope. The base 31 is provided with pins 32 projecting perpendicularly from the base, able to be introduced into the corresponding orifices 110 provided in the bottom 11 of the envelope in order to disengage the connecting elements 112 from said envelope and to allow the separation of the bottom 11 from the rest of the envelope.

Dans l'exemple représenté sur les figures, le socle 31 est pourvu de quatre pions 32.In the example shown in the figures, the base 31 is provided with four pins 32.

En outre, le socle est pourvu d'au moins un élément de centrage 33 apte à coopérer avec une découpe 18 réalisée dans la paroi latérale du fond de l'enveloppe, afin de positionner le fond par rapport au socle. Dans l'exemple ces éléments de centrage sont au nombre de trois.In addition, the base is provided with at least one centering element 33 adapted to cooperate with a cutout 18 made in the side wall of the bottom of the envelope, in order to position the base relative to the base. In the example, these centering elements are three in number.

En particulier, chaque élément de centrage 33 est configuré de manière à venir en appui contre le bord supérieur de la découpe 18 du fond afin de supporter ledit fond.In particular, each centering element 33 is configured to bear against the upper edge of the cutout 18 of the bottom to support said bottom.

Dans l'exemple, les découpes 18 présentent une forme d'un trapèze symétrique dont la petite base forme le bord supérieur de chaque découpe. Les éléments de centrage 33 présentent une forme de parallélépipède qui présente une section suivant un plan vertical sensiblement de la même forme trapézoïdale que la découpe (voir figures 2 et 6).In the example, the cutouts 18 have a shape of a symmetrical trapezium whose small base forms the upper edge of each cut. The centering elements 33 have a parallelepipedal shape which has a section in a vertical plane substantially of the same trapezoidal shape as the cut (see FIG. figures 2 and 6 ).

Afin d'amortir la pose de l'enveloppe sur l'outil, ce dernier comprend un élément amortisseur placé entre chaque élément de centrage 33 et le socle 31.In order to damp the laying of the envelope on the tool, the latter comprises a damping element placed between each centering element 33 and the base 31.

Dans l'exemple représenté, chaque élément de centrage 33 est monté sur deux axes 34 sensiblement verticaux solidaires du socle 31 de manière à pouvoir coulisser le long de ces axes 34.In the example shown, each centering element 33 is mounted on two substantially vertical axes 34 integral with the base 31 so as to be able to slide along these axes 34.

Chaque axe 34 est pourvu d'un ressort hélicoïdal 35 placé entre le socle 31 et l'élément de centrage 33 correspondant (voir figure 6), afin d'amortir les déplacements de l'élément de centrage en direction du socle.Each axis 34 is provided with a helical spring 35 placed between the base 31 and the corresponding centering element 33 (see FIG. figure 6 ), in order to damp the movements of the centering element towards the base.

Le démontage d'une enveloppe protectrice, comprenant deux demi-coques, un couvercle et un fond entourant un récipient, tel que décrit ci-dessus, est réalisé de la manière suivante.The disassembly of a protective envelope, comprising two half-shells, a lid and a bottom surrounding a container, as described above, is made in the following manner.

Le fond de l'enveloppe est placé sur le socle de l'outil, de sorte que les éléments de centrage 33 viennent se positionner dans les découpes 18 du fond de l'enveloppe. Les parois inclinées des éléments de centrage et des découpes facilitent cette mise en place. L'enveloppe est alors dans la position représentée sur la figure 6. L'enveloppe peut alors être lâchée, et descend doucement, sous l'effet de son propre poids grâce au coulissement amorti des éléments de centrage 33 sur leurs axes 34. Une pression verticale de haut en bas exercée manuellement ou par un outil permet d'abaisser l'enveloppe jusqu'à ce qu'elle soit en contact avec le socle. Lorsque le fond de l'enveloppe repose sur le socle, les pions 32 sont alors dans une position où ils pénètrent dans l'enveloppe au travers des orifices 110 du fond et maintiennent les languettes 112 écartées de leur position de clipsage avec les demi-coques 12, tel que visible sur la figure 5. Il suffit alors de soulever les deux demi-coques assemblées au couvercle pour avoir accès au récipient 1 protégé par l'enveloppe.The bottom of the envelope is placed on the base of the tool, so that the centering elements 33 are positioned in the cutouts 18 of the bottom of the envelope. The inclined walls of the centering elements and cutouts facilitate this implementation. The envelope is then in the position represented on the figure 6 . The envelope can then be released, and descends slowly, under the effect of its own weight due to the damping sliding of the centering elements 33 on their axes 34. A vertical pressure from top to bottom exerted manually or by a tool allows lower the envelope until it is in contact with the base. When the bottom of the envelope rests on the base, the pins 32 are then in a position where they enter the envelope through the orifices 110 of the bottom and maintain the tongues 112 spaced from their clipping position with the half-shells 12, as visible on the figure 5 . It is then sufficient to lift the two half-shells assembled to the cover to access the container 1 protected by the envelope.

Bien entendu, d'autres modes de réalisation des éléments de liaisons 112 et des pions 32 peuvent être envisagés. De même, les éléments de centrage et les éléments amortisseurs de l'outil peuvent être réalisés de manière différente. Notamment, les éléments de liaison et les pions peuvent être disposés de manière à assurer le centrage de l'outil. Quant aux éléments amortisseurs, quand ils sont présents, ils peuvent être conçus pour être directement en contact avec l'enveloppe à démonter. Ils peuvent par exemple consister en un revêtement amortissant les chocs recouvrant au moins partiellement le socle de l'outil recevant l'enveloppe.Of course, other embodiments of the connecting elements 112 and pins 32 may be envisaged. Similarly, the centering elements and damping elements of the tool can be made differently. In particular, the connecting elements and the pins may be arranged to ensure the centering of the tool. As for the damping elements, when they are present, they can be designed to be directly in contact with the envelope to be disassembled. They may for example consist of a shock-absorbing coating covering at least partially the base of the tool receiving the envelope.

La figure 7 représente un outil de démontage 30 selon l'invention, destiné au démontage d'une enveloppe de protection 10 selon l'invention.The figure 7 represents a disassembly tool 30 according to the invention, for dismantling a protective envelope 10 according to the invention.

Cet outil 30 comprend un socle 31 apte à reposer sur une surface plane et destiné à recevoir le fond 11 de l'enveloppe. Le socle 31 est pourvu de pions 32 mobiles pouvant saillir perpendiculairement du socle sous l'action d'une pédale ou d'un gaz sous pression, ces pions étant aptes à être introduits dans les orifices 110 correspondants prévus dans le fond 11 de l'enveloppe afin de désengager les éléments de liaison 112 de ladite enveloppe et de permettre la séparation du fond 11 du reste de l'enveloppe.This tool 30 comprises a base 31 adapted to rest on a flat surface and for receiving the bottom 11 of the envelope. The base 31 is provided with movable pins 32 which can protrude perpendicularly from the base under the action of a pedal or a gas under pressure, these pins being able to be introduced into the corresponding orifices 110 provided in the bottom 11 of the envelope to disengage the connecting elements 112 of said envelope and to allow the separation of the bottom 11 of the rest of the envelope.

Dans l'exemple représenté sur les figures, le socle 31 est pourvu de quatre pions 32.In the example shown in the figures, the base 31 is provided with four pins 32.

En outre, le socle est pourvu d'un élément de centrage 33 apte à coopérer avec une découpe annulaire 18 réalisée dans le fond de l'enveloppe comprenant plusieurs arcs séparés par des liaisons 18', afin de positionner le fond par rapport au socle puis de le fixer à l'outil. Dans l'exemple, l'élément de centrage 33 est configuré de manière à venir se raccrocher aux liaisons 18' de la découpe annulaire 18 au moyen de quatre crochets 34 solidaires d'un disque pivotant équipé d'une manette, la coopération entre l'élément de centrage et le fond de l'enveloppe étant obtenue en actionnant la manette de façon à rendre solidaire les crochets 34 des liaisons 18'. Ce n'est que lorsque le fond est fixé au socle que les pions sont actionnés pour provoquer de désassemblage.In addition, the base is provided with a centering element 33 adapted to cooperate with an annular cutout 18 made in the bottom of the envelope comprising a plurality of arcs separated by links 18 ', in order to position the base relative to the base and then to fix it to the tool. In the example, the centering element 33 is configured so as to catch on the links 18 'of the annular cutout 18 by means of four hooks 34 integral with a pivoting disc equipped with a handle, the cooperation between the centering element and the bottom of the casing being obtained by operating the handle so as to make the hooks 34 of the links 18 'integral. Only when the bottom is attached to the base, the pins are actuated to cause disassembly.

Dans ce mode de réalisation de l'outil, la bouteille est d'abord fixée au socle avant d'être désassemblée. L'avantage de cet outil apparaîtra à l'utilisateur plus particulièrement au remontage car le clipsage des différentes parties ne sera pas gêné par la présence des pions 32 qui ne rentreront plus dans le fond de l'enveloppe de la bouteille.In this embodiment of the tool, the bottle is first attached to the base before being disassembled. The advantage of this tool will appear to the user more particularly reassembly because the clipping of the different parts will not be hindered by the presence of the pins 32 which will no longer fit into the bottom of the envelope of the bottle.

Claims (18)

Enveloppe protectrice (10) démontable pour récipient (1) de fluide sous pression, ladite enveloppe (10) étant formée d'au moins deux parties reliées entre elles par des moyens de solidarisation de manière à former une enveloppe fermée pourvue d'un orifice pour le passage d'une valve montée sur le récipient, une première partie formant un fond (11) apte à reposer de manière stable sur une surface plane, caractérisée en ce que le fond (11) est amovible et relié à une ouverture de l'autre partie de l'enveloppe au moyen d'au moins un élément de liaison (112) escamotable, ladite ouverture étant suffisante pour permettre l'extraction du récipient, et en ce que le fond (11) est pourvu d'au moins un orifice (110) situé sous l'élément de liaison (112) escamotable et débouchant sur la paroi du fond destinée à reposer sur le sol, ledit orifice (110) étant apte à permettre le passage d'un pion (32) d'un outil pour le désengagement dudit élément de liaison (112) escamotable.Removable protective cover (10) for a container (1) of pressurized fluid, said envelope (10) being formed of at least two parts interconnected by securing means so as to form a closed envelope provided with an orifice for the passage of a valve mounted on the container, a first part forming a bottom (11) able to rest stably on a flat surface, characterized in that the bottom (11) is removable and connected to an opening of the another part of the envelope by means of at least one retractable connecting element (112), said opening being sufficient to allow the extraction of the container, and in that the bottom (11) is provided with at least one opening (110) located under the connecting element (112) retractable and opening on the bottom wall intended to rest on the ground, said orifice (110) being adapted to allow the passage of a pin (32) of a tool for disengaging said connecting member (112) esca motable. Enveloppe protectrice selon la revendication 1, caractérisée en ce que l'élément de liaison (112) est formé d'une languette dont une extrémité est reliée au bord de chaque orifice par l'intermédiaire d'une liaison pivot élastique (114) et dont l'autre extrémité (116) est repliée afin d'être apte à venir en prise avec une paroi (19) de l'enveloppe, la liaison pivot élastique maintenant la languette (112) en prise avec l'enveloppe, dans une position inclinée au dessus de l'orifice (110) correspondant.Protective casing according to claim 1, characterized in that the connecting element (112) is formed of a tongue, one end of which is connected to the edge of each orifice via an elastic pivot connection (114) and of which the other end (116) is folded so as to be able to engage a wall (19) of the casing, the elastic pivot connection holding the tongue (112) in engagement with the casing, in an inclined position above the corresponding orifice (110). Enveloppe protectrice selon la revendication 1 ou 2, caractérisée en ce que les bords dudit orifice (110) saillent au moins en partie vers le récipient, sensiblement perpendiculairement à la paroi du fond, de manière à former des guides pour l'introduction du pion.Protective shell according to claim 1 or 2, characterized in that the edges of said orifice (110) project at least partly towards the container, substantially perpendicular to the wall of the bottom, so as to form guides for the introduction of the pin. Enveloppe protectrice selon l'une des revendications 1 à 3, caractérisée en ce que le fond (11) est pourvu de parois latérales s'évasant en direction du récipient, dans lesquelles est réalisée au moins une découpe (18) apte à recevoir un élément de centrage d'un outil.Protective casing according to one of Claims 1 to 3, characterized in that the base (11) is provided with lateral walls flaring in the direction of the receptacle, in which at least one cutout (18) adapted to receive an element is formed. centering a tool. Enveloppe protectrice selon la revendication 4, caractérisée en ce que ladite découpe (18) forme une zone de préhension de l'enveloppe.Protective envelope according to claim 4, characterized in that said cutout (18) forms a gripping area of the envelope. Enveloppe protectrice selon l'une des revendications 1 à 5, caractérisée en ce qu'elle comprend au moins deux éléments de liaison (112) escamotables et deux orifices (110) correspondants, de préférence au moins quatre.Protective casing according to one of claims 1 to 5, characterized in that it comprises at least two retractable connecting elements (112) and two corresponding openings (110), preferably at least four. Enveloppe protectrice selon l'une des revendications 1 à 6, caractérisée en ce que l'enveloppe est formée du fond amovible (11), de deux demi-coques (12) aptes à recouvrir les parois latérales du récipient (1) et d'un couvercle (13) venant recouvrir la partie supérieure du récipient, le couvercle et le fond étant solidarisés respectivement aux extrémités supérieure et inférieure des deux demi-coques assemblées.Protective casing according to one of Claims 1 to 6, characterized in that the casing is formed of the removable bottom (11), of two half-shells (12) capable of covering the side walls of the container (1) and of a lid (13) covering the upper part of the container, the lid and the bottom being secured respectively to the upper and lower ends of the two assembled half-shells. Enveloppe protectrice selon la revendication 7, caractérisée en ce que la paroi interne des deux demi-coques est pourvue de nervures en saillie s'étendant sensiblement parallèlement à l'axe du réservoir et formant des canaux de circulation d'air entre l'enveloppe et le réservoir, ces canaux communiquant avec des ouvertures (18, 17) réalisées dans le fond (11) et le couvercle (13).Protective casing according to claim 7, characterized in that the inner wall of the two half-shells is provided with projecting ribs extending substantially parallel to the axis of the reservoir and forming air circulation channels between the casing and the tank, these channels communicating with openings (18, 17) formed in the bottom (11) and the lid (13). Outil de démontage (30) destiné au démontage d'une enveloppe de protection selon l'une des revendications précédentes, caractérisé en ce qu'il comprend un socle (31) apte à reposer sur une surface plane et destiné à recevoir le fond (11) de ladite enveloppe, le socle (31) étant pourvu d'au moins un pion (32) saillant perpendiculairement du socle, apte à être introduit dans l'orifice (110) correspondant prévu dans le fond de ladite enveloppe afin de désengager l'élément de liaison (112) de ladite enveloppe et de séparer le fond (11) de l'autre partie de l'enveloppe.Disassembly tool (30) for disassembly of a protective casing according to one of the preceding claims, characterized in that it comprises a base (31) adapted to rest on a flat surface and intended to receive the bottom (11). ) of said envelope, the base (31) being provided with at least one pin (32) protruding perpendicularly from the base, adapted to be introduced into the corresponding hole (110) provided in the bottom of said envelope to disengage the connecting member (112) of said casing and separating the bottom (11) from the other part of the casing. Outil de démontage selon la revendication 9, caractérisé en ce que le socle (31) est pourvu d'au moins un élément de centrage (33) apte à coopérer avec une découpe (18) réalisée dans le fond ou la paroi latérale du fond de l'enveloppe, afin de positionner le fond par rapport au socle.Disassembly tool according to claim 9, characterized in that the base (31) is provided with at least one centering element (33) adapted to cooperate with a cutout (18) formed in the bottom or side wall of the bottom of the the envelope, in order to position the bottom relative to the base. Outil de démontage selon la revendication 10, caractérisé en ce que l'élément de centrage (33) est configuré de manière à venir en appui contre le bord supérieur de la découpe (18) du fond afin de supporter ledit fond.Disassembly tool according to claim 10, characterized in that the centering element (33) is configured to bear against the upper edge of the bottom cut (18) to support said bottom. Outil de démontage selon la revendication 11, caractérisé en ce qu'il comprend un élément amortisseur placé entre l'élément de centrage (33) et le socle (31).Disassembly tool according to claim 11, characterized in that it comprises a damping element placed between the centering element (33) and the base (31). Outil de démontage selon l'une des revendications 10 à 12, caractérisé en ce que l'élément de centrage (33) est monté sur deux axes (34) sensiblement verticaux solidaires du socle de manière à pouvoir coulisser le long des axes.Disassembly tool according to one of claims 10 to 12, characterized in that the centering element (33) is mounted on two substantially vertical axes (34) integral with the base so as to slide along the axes. Outil de démontage selon la revendication 13, caractérisé en que chaque axe (34) est pourvu d'un ressort hélicoïdal (35) placé entre le socle (31) et l'élément de centrage (33) afin d'amortir les déplacements de l'élément de centrage en direction du socle.Disassembly tool according to Claim 13, characterized in that each axis (34) is provided with a helical spring (35) placed between the base (31) and the centering element (33) in order to damp the movements of the centering element in the direction of the base. Outil de démontage selon l'une des revendications 9 à 14, caractérisé en ce qu'il comprend au moins deux éléments de centrage (33).Disassembly tool according to one of claims 9 to 14, characterized in that it comprises at least two centering elements (33). Outil de démontage selon la revendication 10, caractérisé en ce que l'élément de centrage (33) est configuré de manière à s'insérer et se fixer sur les liaisons (18') de la découpe annulaire (18).Disassembly tool according to claim 10, characterized in that the centering element (33) is configured to fit and attach to the links (18 ') of the annular cutout (18). Outil de démontage selon la revendication 16, caractérisé en ce que le socle (31) est pourvu d'au moins deux pions (32) escamotables par tous moyen dans le socle (31)Disassembly tool according to claim 16, characterized in that the base (31) is provided with at least two pins (32) retractable by any means in the base (31) Utilisation d'un outil de démontage selon l'une des revendications 9 à 17 pour démonter le fond (11) d'une enveloppe protectrice d'un récipient de fluide sous pression selon l'une des revendications 1 à 8, dans laquelle le récipient est positionné sur le socle de l'outil de sorte que le ou les éléments de centrage (33) s'engage(nt) dans la ou les découpes (18) correspondantes réalisées dans le fond de l'enveloppe provoquant ainsi le désengagement du ou des éléments de liaison (112) escamotables entre le fond et l'autre partie de l'enveloppe.Use of a disassembly tool according to one of claims 9 to 17 for dismounting the bottom (11) of a protective envelope of a pressure medium container according to one of claims 1 to 8, wherein the container is positioned on the base of the tool so that the centering element or elements (33) engages (s) in the corresponding cutouts (18) made in the bottom of the envelope thus causing the disengagement or connecting elements (112) retractable between the bottom and the other part of the envelope.
EP08291045A 2007-11-09 2008-11-07 Removable protective enclosure for a tank containing fluid under pressure, suitable removal tool and use of such a tool Withdrawn EP2058579A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0707883A FR2923576B1 (en) 2007-11-09 2007-11-09 DETACHABLE PROTECTIVE ENVELOPE FOR PRESSURIZED FLUID CONTAINER, ADAPTIVE DISASSEMBLY TOOL, AND USE OF SUCH A TOOL

Publications (2)

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EP2058579A2 true EP2058579A2 (en) 2009-05-13
EP2058579A3 EP2058579A3 (en) 2010-04-14

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EP08291045A Withdrawn EP2058579A3 (en) 2007-11-09 2008-11-07 Removable protective enclosure for a tank containing fluid under pressure, suitable removal tool and use of such a tool

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FR (1) FR2923576B1 (en)
MA (1) MA30467B1 (en)

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FR2946121A1 (en) * 2009-06-02 2010-12-03 Gaz Liquefies Ind BOTTLE OF GAS UNDER PRESSURE
FR3034490A1 (en) * 2015-03-31 2016-10-07 Butagaz FUSE FOR GAS BOTTLE HOUSING OF TWO HALF SHELLS
EP3114392A1 (en) * 2014-03-07 2017-01-11 Air Liquide Santé (International) Assembly for packaging, storing and dispensing gas, in particular medical quality oxygen
CN113898874A (en) * 2021-10-26 2022-01-07 肇庆市海特复合材料技术研究院 Impact-resistant composite gas cylinder

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FR2707369A1 (en) 1993-07-09 1995-01-13 Schneider Ind Reservoir, particularly of the gas bottle (cylinder) type
WO2001059358A1 (en) 2000-02-09 2001-08-16 Amtrol, Inc. Full jacket gas cylinder
FR2875891A1 (en) 2004-09-29 2006-03-31 Air Liquide Sante Int BOTTLE OF MEDICAL GAS WITH PERIPHERAL PROTECTIVE SHELL
FR2892797A1 (en) 2005-10-27 2007-05-04 Air Liquide PROTECTIVE DEVICE FOR PRESSURIZED FLUID RESERVOIR AND RESERVOIR WITH SUCH A DEVICE

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JPH1149288A (en) * 1997-08-08 1999-02-23 Shigeki Kashiwabara Unpacking tool for tablet or encapsulated drug
US6672455B2 (en) * 1998-01-29 2004-01-06 Nexpak Corporation Lockable media storage box with lock and key
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FR2707369A1 (en) 1993-07-09 1995-01-13 Schneider Ind Reservoir, particularly of the gas bottle (cylinder) type
WO2001059358A1 (en) 2000-02-09 2001-08-16 Amtrol, Inc. Full jacket gas cylinder
FR2875891A1 (en) 2004-09-29 2006-03-31 Air Liquide Sante Int BOTTLE OF MEDICAL GAS WITH PERIPHERAL PROTECTIVE SHELL
FR2892797A1 (en) 2005-10-27 2007-05-04 Air Liquide PROTECTIVE DEVICE FOR PRESSURIZED FLUID RESERVOIR AND RESERVOIR WITH SUCH A DEVICE

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2946121A1 (en) * 2009-06-02 2010-12-03 Gaz Liquefies Ind BOTTLE OF GAS UNDER PRESSURE
WO2010139885A1 (en) * 2009-06-02 2010-12-09 Gaz Liquefies Industrie Pressurized gas cylinder
EP3114392A1 (en) * 2014-03-07 2017-01-11 Air Liquide Santé (International) Assembly for packaging, storing and dispensing gas, in particular medical quality oxygen
FR3034490A1 (en) * 2015-03-31 2016-10-07 Butagaz FUSE FOR GAS BOTTLE HOUSING OF TWO HALF SHELLS
CN113898874A (en) * 2021-10-26 2022-01-07 肇庆市海特复合材料技术研究院 Impact-resistant composite gas cylinder

Also Published As

Publication number Publication date
FR2923576B1 (en) 2011-01-14
EP2058579A3 (en) 2010-04-14
FR2923576A1 (en) 2009-05-15
MA30467B1 (en) 2009-06-01

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