EP3260760B1 - Protective hood with pivoting attachment system having a halting abutment for a gas cylinder - Google Patents

Protective hood with pivoting attachment system having a halting abutment for a gas cylinder Download PDF

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Publication number
EP3260760B1
EP3260760B1 EP17305601.1A EP17305601A EP3260760B1 EP 3260760 B1 EP3260760 B1 EP 3260760B1 EP 17305601 A EP17305601 A EP 17305601A EP 3260760 B1 EP3260760 B1 EP 3260760B1
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EP
European Patent Office
Prior art keywords
covering
stop
coupling device
cowling
covering body
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
EP17305601.1A
Other languages
German (de)
French (fr)
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EP3260760A1 (en
Inventor
Antoine Frenal
Renaud Ligonesche
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP3260760A1 publication Critical patent/EP3260760A1/en
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Publication of EP3260760B1 publication Critical patent/EP3260760B1/en
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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
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels 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
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/011—Oxygen
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/031—Air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0486—Indicating or measuring characterised by the location
    • F17C2250/0491—Parameters measured at or inside the 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/015—Facilitating maintenance
    • 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
    • F17C2270/02—Applications for medical applications
    • F17C2270/025—Breathing

Definitions

  • the present invention relates to a protective cover, also called a cap, for gas cylinders, in particular medical gas, equipped with a pivoting attachment device with stopper (s), making it possible to hang the cover on a bed, a stretcher, an armchair or the like, as well as a gas container, such as a gas cylinder, equipped with such a protective cover arranged around a valve block, with or without an integrated regulator.
  • Gas receptacles typically gas cylinders, equipped with a valve block, with or without an integrated regulator, namely a simple open / closed type valve or a valve with an integrated regulator, also called RDI, making it possible to control the flow and pressure of the gas delivered.
  • RDI integrated regulator
  • valve In order to protect this valve block, more simply called a "valve", it is common practice to arrange at the level of the neck of the gas cylinder and around the valve block, a protective cover forming a protective shell around the valve block. Such a cowling is commonly called a "cap”.
  • bottle / cap / valve assembly to be hung on a support, such as a hospital bed bar, a stretcher, a rod or hanging support for an emergency vehicle, for example a SAMU unit or the like, it is customary to arrange on the cap, a fixed hooking system.
  • a support such as a hospital bed bar, a stretcher, a rod or hanging support for an emergency vehicle, for example a SAMU unit or the like.
  • hoods with a pivoting attachment system having a specific housing in which a pivoting arm is inserted or have an exterior surface shaped to accommodate the pivoting arm when it is completely folded, that is to say in its position of storage along and in contact with the outer surface of the cowling.
  • a pivoting attachment system having a specific housing in which a pivoting arm is inserted or have an exterior surface shaped to accommodate the pivoting arm when it is completely folded, that is to say in its position of storage along and in contact with the outer surface of the cowling.
  • the solution of the invention is a protective cowling or “cap” for a gas receptacle, in particular for a gas cylinder, equipped with a valve block, with or without an integrated regulator, as defined by claim 1.
  • the hooking device does not become embedded in the outer wall of the cowling body, so can be easily grasped by the user given that the hooking device mechanically abuts against the stopper which stops its stroke when folded into its rest position.
  • the invention also relates to a gas container equipped with a valve unit, whether it is with or without an integrated regulator, characterized in that it comprises a protective cover according to the invention arranged around at least part of said valve block.
  • the invention also relates to a use of a gas container according to the invention for distributing a gas or gas mixture, in particular a gas or gas mixture is chosen from oxygen, air, N 2 O / O 2 , He / O 2 and NO / nitrogen.
  • the Figures 1 to 6 present an embodiment of a rigid protective cowling 1, commonly called a “cap”, arranged around a valve unit 3, itself fixed to the neck of a gas cylinder 10.
  • the gas cylinder 10 has typically a size between 10 and 150 cm, and a capacity of 0.5 to 20 liters (in water equivalent).
  • the protective cover 1 is used to protect the valve block 3 against impacts, whether said valve block 3 is of the type with integrated gas regulator or RDI, or of the type without integrated regulator.
  • the protective casing 1 comprises a casing body 2 forming a rigid protective shell around an internal volume dimensioned to receive the valve unit 3, a carrying handle 4 designed to be taken in the hand by an operator, said carrying handle 4 being formed of a rigid material, and carried by one or more support uprights 5 mechanically connecting the cowling body 2 to the carrying handle 4, that is to say that the support upright or uprights 5 are secured to the carrying handle 4 so as to allow a user to easily carry the cap / valve / bottle assembly.
  • the body 2 of the cowling 1 is typically made of a material of polymer and / or metal type, preferably of a plastic material, such as PVC, PE, PET, PP, PMMA, PU, PA, etc.
  • the support uprights 5 can be formed from a plastic material, such as the body of the cowling 1, but also from an aluminum alloy or any other metallic material.
  • the protective cover 1 also has openings giving access to the valve unit 3 located in the internal volume of the cover body 2 1, in particular to the outlet connection 8, to the filling connection 11, to the outlet connection under pressure 12, on the rotary handwheel 7 ...
  • valve unit 3 typically of the RDI type, comprises a rotary handwheel 7, located on the front face 2a, which can be manipulated by a user to control the gas flow, a gas outlet connector 8 to withdraw the gas stored in the gas flow.
  • bottle 10 a manometer 9 to control the gas pressure
  • a filling connection 11 located on the rear face 2b, used to introduce gas into the bottle 10 when the latter is empty, and a pressurized gas outlet connection 12 located laterally and used to distribute the gas at operating pressure compatible with the downstream application.
  • the assembly of the protective cover 1 and its fixing around the valve block carried by the gas cylinder 10, is done by screwing by means of fixing elements, namely screws or the like.
  • the body 2 of the protective cowling 1 is formed of at least two half-shells coming to be joined to one another, along a vertical junction plane.
  • the two half-shells then take the tap 3 and the neck of the container 10 in a sandwich so as to contain the tap block 3 in their internal space or volume.
  • the hooking device 6 is in the rest position, while on the Figures 2 to 4 , it is in the hooking position, that is to say completely unfolded.
  • These two positions therefore constitute the extreme angular positions which the attachment device 6 can adopt when it is pivoted about the axis AA.
  • the pivot angle a between these two extreme angular positions is less than or equal to 170 ° and greater than 0 °, preferably greater than 90 °, for example an angle of the order of 150 °.
  • one (or more) stop 13 is arranged between the outer surface of the body 2 of the cowling 1, namely its rear face 2a, and the hooking device 6 so that the latter comes to rest against the stop 13, when the attachment device 6 is in the "rest" position, and therefore does not become embedded in an imprint or a housing of the cowling 1.
  • the stop (s) 13 will therefore stop the angular pivoting travel of the attachment device 6 when the latter is folded up by the user to make it pass from its attachment position ( Fig. 4 ) to its rest position ( Fig. 5 and 6 ), since the hooking device 6 will meet the stop 13, that is to say come up against the latter.
  • the stop 13 constitutes a sort of protuberance of height H, for example a height H of 1 mm to 15 mm, carried for example by the outer surface of the body 2 of the cowling 1 and projecting outward from the cowling 1.
  • the stop 13 is located opposite the hooking device 6, that is to say opposite the hooking device 6.
  • the stopper (s) 13 is sandwiched between the hooking device 6 and the cowling body 2.
  • a single stop 13 is arranged at the level of the base 14 of the body 2 of the cowling 1 which here has the shape of a collar.
  • the stop 13 is arranged on the body 2 of the cowling 1 but according to another embodiment, it is also possible to arrange a stop 13 on the fastening device 6 itself or, according to another embodiment. Another embodiment, stops 13 can be arranged both on the hooking device 6 and on the body 2 of the cowling 1.
  • the stop 13 can also have another function, namely, as in the case of the embodiment illustrated in the Figures 1 to 5 , receive a screw 15 or the like serving to secure the two (or more) half-shells forming the cowling body 2, one with the other given that, in the embodiment shown, the stop 13 is formed here of two stop parts or sub-units, namely here half-stops, each half-stop being carried by one of the half-shells forming the cowling body 2, which makes it possible to fix the two half-shells one to the other by means of the screw 15 or the like passing through the half-stops. In other words, the stop 13 is formed by meeting the two half-stops which are fixed to one another by screwing the screw 15 or the like, which also leads to a joining of the two half-shells. forming the cowling body 2, one to the other.
  • the attachment device 3 forms a curved three-dimensional structure surrounding the cowling body 2, when the attachment device 3 is in the rest position.
  • the curved three-dimensional structure forming the attachment device 6 comprises two arms, namely a right arm 6a and a left arm 6b, taking the cowling body 2 substantially “in sandwich”, when the attachment device 3 is in the rest position, that is to say folded in contact with the stop 13.
  • Each of the arms 6a, 6b carries a fixing notch 16 serving for the attachment of the assembly to a support, such as a hospital bed bar or the like.
  • Each fixing notch 16 has an arcuate shape, for example in the form of an arc of a circle, as illustrated in Figure 2 , so as to best match the shape of a tubular bed bar, stretcher, wheelchair or other.
  • the hooking device 6 is positioned around the body 2 of the cowling 1, that is to say that the right 6a and left 6b arms are positioned on either side of the body 2 of cowling 1, so as to minimize the general bulk of the cowling 1, when the fastening device 3 is folded up as on the Figure 2 .
  • the hooking device 6 therefore comprises a free downstream end carrying the arms 6a, 6b, and an upstream end which is pivotally fixed (axis AA) to the cowling body 2 1.
  • An opening can be provided in the wall of the body 2. cover 1 to allow and / or facilitate the pivoting of the attachment device 6 from its rest position to that of attachment, or vice versa.
  • the hooking device 6 can be formed of plastic, metal or a combination of the two.
  • the three-dimensional structure constituting the attachment device 6 comprises a central opening 17, revealing the filling connection 11, when the attachment device 6 is in the rest position, that is to say. that is to say folded up and in contact with the stop 13. This allows the user to fill the cylinder 10 with fresh gas, without having to unfold the hooking device 6, that is to say, leaving the device d 'hooking 6 in its rest position, as illustrated in Figures 1 and 5 .
  • a gas cylinder equipped with a cover according to the invention is particularly well suited to the storage and distribution of medical gases.

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

Description

La présente invention concerne un capotage de protection, encore appelé chapeau, pour bouteilles de gaz, en particulier de gaz médical, équipé d'un dispositif d'accrochage pivotant à butée(s) d'arrêt, permettant d'accrocher le capotage sur un lit, un brancard, un fauteuil ou autre, ainsi qu'un récipient de gaz, telle une bouteille de gaz, équipé d'un tel capotage de protection agencé autour d'un bloc robinet, avec ou sans détendeur intégré.The present invention relates to a protective cover, also called a cap, for gas cylinders, in particular medical gas, equipped with a pivoting attachment device with stopper (s), making it possible to hang the cover on a bed, a stretcher, an armchair or the like, as well as a gas container, such as a gas cylinder, equipped with such a protective cover arranged around a valve block, with or without an integrated regulator.

Les gaz industriels et médicaux sont couramment conditionnés dans des récipients de gaz, typiquement des bouteilles de gaz, équipés d'un bloc robinet, avec ou sans détendeur intégré, à savoir un robinet simple de type ouvert/fermé ou un robinet à détendeur intégré, encore appelé RDI, permettant de contrôler débit et pression du gaz délivré.Industrial and medical gases are commonly packaged in gas receptacles, typically gas cylinders, equipped with a valve block, with or without an integrated regulator, namely a simple open / closed type valve or a valve with an integrated regulator, also called RDI, making it possible to control the flow and pressure of the gas delivered.

Afin de protéger ce bloc robinet, plus simplement appelé « robinet », il est courant agencer au niveau du col de la bouteille de gaz et autour du bloc robinet, un capotage de protection formant coque protectrice autour du bloc robinet. Un tel capotage est couramment appelé « chapeau ».In order to protect this valve block, more simply called a "valve", it is common practice to arrange at the level of the neck of the gas cylinder and around the valve block, a protective cover forming a protective shell around the valve block. Such a cowling is commonly called a "cap".

Par ailleurs, pour permettre d'accrocher l'ensemble bouteille/chapeau/robinet à un support, tel un barreau de lit d'hôpital, un brancard, une tringle ou support d'accrochage d'un véhicule d'urgence, par exemple une unité de SAMU ou analogue, il est usuel d'aménager sur le chapeau, un système d'accrochage fixe.Furthermore, to allow the bottle / cap / valve assembly to be hung on a support, such as a hospital bed bar, a stretcher, a rod or hanging support for an emergency vehicle, for example a SAMU unit or the like, it is customary to arrange on the cap, a fixed hooking system.

Il existe des systèmes d'accrochage fixes et d'autres mobiles, en particulier translatants ou pivotants, par exemple ceux décrits par les documents EP-A-629812 , DE-A-10057469 , US-A-2004/020793 et EP-A-2586481 .There are fixed hooking systems and other movable ones, in particular translating or pivoting, for example those described by the documents EP-A-629812 , DE-A-10057469 , US-A-2004/020793 and EP-A-2586481 .

Certains capotages à système d'accrochage pivotant possédant un logement spécifique dans lequel vient s'insérer un bras pivotant ou présentent une surface extérieure conformée pour accueillir le bras pivotant lorsqu'il est complètement replié, c'est-à-dire dans sa position de rangement le long et au contact de la surface externe du capotage. On peut citer par exemple EP-A-2918893 et WO-A-2015/132092 .Certain hoods with a pivoting attachment system having a specific housing in which a pivoting arm is inserted or have an exterior surface shaped to accommodate the pivoting arm when it is completely folded, that is to say in its position of storage along and in contact with the outer surface of the cowling. We can cite for example EP-A-2918893 and WO-A-2015/132092 .

Si de telles solutions sont séduisantes en théorie, en pratique il a été mise en évidence que ce type de capotage présentait un inconvénient majeur, à savoir celui d'engendrer une difficulté pour les utilisateurs à saisir aisément le dispositif d'accrochage pour le faire passer de sa position de repos à sa position dépliée, c'est-à-dire active servant à l'accroche de l'ensemble à un barreau de lit ou analogue.If such solutions are attractive in theory, in practice it has been demonstrated that this type of cowling has a major drawback, namely that of causing difficulty for users to easily grasp the attachment device to pass it through. from its rest position to its unfolded position, that is to say active, serving to attach the assembly to a bed bar or the like.

Au vu de cela, le problème qui se pose est de proposer un capotage de protection ou chapeau pour bouteille de gaz comprenant un dispositif d'accrochage pivotant amélioré ne présentant pas l'inconvénient majeur susmentionné et qui soit d'une conception telle qu'elle ne nécessite pas de modifications importantes par rapport aux dispositifs d'accrochage existants.In view of this, the problem which arises is to provide a protective cowling or cap for a gas cylinder comprising an improved pivoting attachment device which does not have the aforementioned major drawback and which is of a design such as does not require significant modifications compared to existing fastening devices.

La solution de l'invention est un capotage de protection ou « chapeau » pour récipient de gaz, en particulier pour bouteille de gaz, équipé d'un bloc robinet, avec ou sans détendeur intégré, ainsi que défini par la revendication 1.The solution of the invention is a protective cowling or “cap” for a gas receptacle, in particular for a gas cylinder, equipped with a valve block, with or without an integrated regulator, as defined by claim 1.

Grâce à cette butée, le dispositif d'accrochage ne vient pas s'incruster dans la paroi externe du corps de capotage, donc peut être aisément saisi par l'utilisateur étant donné que le dispositif d'accrochage vient buter mécaniquement contre la butée qui stoppe sa course lorsqu'on le replie dans sa position de repos.Thanks to this stopper, the hooking device does not become embedded in the outer wall of the cowling body, so can be easily grasped by the user given that the hooking device mechanically abuts against the stopper which stops its stroke when folded into its rest position.

Selon le cas, le capotage de protection selon l'invention peut comprendre l'une ou plusieurs des caractéristiques techniques suivantes :

  • le dispositif d'accrochage est maintenu à une distance (ou espacement) donnée E d'au moins 1 mm environ par rapport à la surface externe du corps de capotage, par exemple entre 1.5 et/ou 10 mm environ par rapport à la surface externe du corps 2 de capotage, de manière à être en légère surélévation par rapport à la surface du corps du capotage et pouvoir être aisément saisi par l'utilisateur.
  • la butée est agencée sur le corps de capotage.
  • une butée est agencée au niveau de la base du corps de capotage.
  • une butée est agencée sur une collerette aménagée à la base du corps de capotage.
  • le dispositif d'accrochage comporte deux bras s'étendant latéralement, de part et d'autre du corps de capotage, ladite au moins une butée étant agencée de manière à être prise en sandwich entre le dispositif d'accrochage au niveau des deux bras et le corps du capotage.
  • le corps de capotage porte au moins une butée faisant saillie en éloignement par rapport à la surface externe dudit corps de capotage.
  • le corps de capotage porte au moins une butée faisant saillie par rapport à la surface externe dudit corps de capotage, ladite butée ayant une hauteur H comprise entre 1 et 15 mm.
  • la butée est agencée sur le corps de capotage et peut être traversée par un moyen de fixation, notamment de fixation par vissage, de préférence une vis, un boulon ou analogue.
  • le corps de capotage comprend deux demi-coques solidarisées l'une à l'autre au moyen dudit un moyen de fixation traversant la butée. De préférence, les deux demi-coques sont solidarisées l'une à l'autre selon un plan vertical ou sensiblement vertical.
  • la butée est formée d'une ou plusieurs parties ou sous-unités, par exemple de deux parties ou sous-unités.
  • la butée est formée de deux sous-unités, notamment de deux demi-butées.
  • le corps de capotage comprend deux demi-coques, chaque demi-coque portant une sous-unité de butée.
  • les sous-unités de butée et les demi-coques portant lesdites sous-unités de butée sont formées d'une seule pièce, notamment par moulage ou analogue.
  • le corps de capotage comprend une collerette aménagée à sa base, ladite au moins une butée étant agencée sur ladite collerette.
  • le dispositif d'accrochage est fixé de manière pivotante autour d'un axe AA, de préférence situé sur la face arrière du corps du capotage.
  • le dispositif d'accrochage comprend une structure tridimensionnelle, de préférence elle a une forme générale incurvée.
  • un système de blocage permet de bloquer et maintenir le dispositif d'accrochage en position de repos.
  • le dispositif d'accrochage pivote entre la position de repos et la position d'accrochage d'un angle (α) inférieur à 180°, typiquement inférieur à 150°.
  • au moins un montant-support solidaire du corps de capotage porte une poignée de portage.
  • la poignée de portage est portée par deux montants-supports solidaires du corps de capotage.
  • la poignée de portage a une forme longiligne et comprend un montant-support raccordé à chacune de ses deux extrémités.
  • le corps du capotage et le dispositif d'accrochage sont formés de matériau polymère. Typiquement, le matériau de type polymère est un matériau plastique, tel que PVC, PE, PET, PP, PMMA, PU, PA...
  • le dispositif d'accrochage comprend deux bras s'étendant de part et d'autre du capotage, c'est-à-dire vers la droite et la gauche du capotage, de manière à le ceinturer partiellement, notamment en position de repos, c'est-à-dire repliée.
  • le dispositif d'accrochage est formé d'une seule pièce, notamment par moulage.
  • le dispositif d'accrochage comprend une ouverture centrale venant se positionner en regard du raccord de remplissage lorsque le dispositif d'accrochage est en position de repos.
  • le dispositif d'accrochage est au contact de la butée lorsqu'il est en position de repos.
  • le capotage comprend en outre un volant rotatif de contrôle de la sortie de gaz et un raccord de sortie de gaz.
  • le capotage comprend en outre un manomètre servant à indiquer la pression du gaz dans la bouteille équipée du capotage.
Depending on the case, the protective cowling according to the invention may include one or more of the following technical characteristics:
  • the attachment device is maintained at a given distance (or spacing) E of at least approximately 1 mm relative to the external surface of the cowling body, for example between approximately 1.5 and / or 10 mm relative to the external surface of the cowling body 2, so as to be slightly raised relative to the surface of the cowling body and to be easily grasped by the user.
  • the stopper is arranged on the cowling body.
  • a stopper is arranged at the base of the cowling body.
  • a stopper is arranged on a collar arranged at the base of the cowling body.
  • the attachment device comprises two arms extending laterally, on either side of the cowling body, said at least one stop being arranged so as to be sandwiched between the attachment device at the level of the two arms and the body of the cowling.
  • the cowling body carries at least one stop projecting away from the outer surface of said cowling body.
  • the cowling body carries at least one stop projecting relative to the external surface of said cowling body, said stop having a height H of between 1 and 15 mm.
  • the stopper is arranged on the cowling body and may be traversed by a fixing means, in particular fixing by screwing, preferably a screw, a bolt or the like.
  • the cowling body comprises two half-shells secured to one another by means of said one fixing means passing through the stop. Preferably, the two half-shells are secured to one another along a vertical or substantially vertical plane.
  • the stopper is formed from one or more parts or sub-units, for example two parts or sub-units.
  • the stopper is formed of two sub-units, in particular two half-stops.
  • the cowling body comprises two half-shells, each half-shell carrying a stop sub-unit.
  • the abutment sub-units and the half-shells carrying said abutment sub-units are formed in one piece, in particular by molding or the like.
  • the cowling body comprises a collar formed at its base, said at least one stop being arranged on said collar.
  • the hooking device is fixed in a pivoting manner about an axis AA, preferably located on the rear face of the body of the cowling.
  • the hooking device comprises a three-dimensional structure, preferably it has a generally curved shape.
  • a locking system makes it possible to lock and maintain the hooking device in the rest position.
  • the attachment device pivots between the rest position and the attachment position by an angle (α) less than 180 °, typically less than 150 °.
  • at least one support upright integral with the cowling body carries a carrying handle.
  • the carrying handle is carried by two support uprights integral with the cowling body.
  • the carrying handle has an elongated shape and comprises a support post connected to each of its two ends.
  • the body of the cowling and the attachment device are made of polymer material. Typically, the polymer type material is a plastic material, such as PVC, PE, PET, PP, PMMA, PU, PA ...
  • the attachment device comprises two arms extending on either side of the cowling, that is to say to the right and the left of the cowling, so as to partially surround it, in particular in the rest position, c 'that is to say folded.
  • the attachment device is formed in one piece, in particular by molding.
  • the attachment device comprises a central opening which is positioned opposite the filling connector when the attachment device is in the rest position.
  • the hooking device is in contact with the stop when it is in the rest position.
  • the cowling further comprises a rotary handwheel for controlling the gas outlet and a gas outlet connection.
  • the cowling further comprises a manometer serving to indicate the gas pressure in the bottle equipped with the cowling.

Par ailleurs, l'invention porte aussi sur un récipient de gaz équipé d'un bloc robinet, qu'il soit avec ou sans détendeur intégré, caractérisé en qu'il comprend un capotage de protection selon l'invention agencé autour d'au moins une partie dudit bloc robinet.Furthermore, the invention also relates to a gas container equipped with a valve unit, whether it is with or without an integrated regulator, characterized in that it comprises a protective cover according to the invention arranged around at least part of said valve block.

Selon le cas, le récipient de gaz de l'invention peut comprendre l'une ou plusieurs des caractéristiques techniques suivantes :

  • il est choisi parmi les bouteilles de gaz.
  • il est une bouteille de gaz ayant une taille comprise entre 10 et 150 cm.
  • il est une bouteille de gaz contenant de 0,5 à 20 litres (contenance en équivalent eau), voire même une contenance supérieure.
  • il est une bouteille de gaz de corps cylindrique creux.
  • il est une bouteille de gaz comprenant un col portant un orifice de sortie du gaz.
  • le capotage est fixé au col du récipient de gaz.
  • il est une bouteille de gaz contenant un gaz ou mélange gazeux choisi parmi l'oxygène, l'air, un mélange N2O/O2, un mélange He/O2, un mélange NO/azote ou tout autre gaz ou mélange gazeux.
  • le bloc robinet est de type à détendeur intégré, c'est-à-dire un RDI.
  • la bouteille est en acier, en un alliage d'aluminium ou en matériau composite.
  • la bouteille contient un gaz à une pression allant jusqu'à 350 bar environ.
Depending on the case, the gas container of the invention may comprise one or more of the following technical characteristics:
  • it is chosen from the gas cylinders.
  • it is a gas cylinder having a size between 10 and 150 cm.
  • it is a gas cylinder containing 0.5 to 20 liters (water equivalent capacity), or even a higher capacity.
  • it is a hollow cylindrical body gas cylinder.
  • it is a gas cylinder comprising a neck carrying a gas outlet orifice.
  • the cowling is attached to the neck of the gas container.
  • it is a gas cylinder containing a gas or gas mixture chosen from oxygen, air, an N 2 O / O 2 mixture, a He / O 2 mixture, an NO / nitrogen mixture or any other gas or gas mixture .
  • the valve block is of the type with integrated regulator, that is to say an RDI.
  • the bottle is made of steel, aluminum alloy or composite material.
  • the cylinder contains gas at a pressure of up to approximately 350 bar.

L'invention concerne aussi une utilisation d'un récipient de gaz selon l'invention pour distribuer un gaz ou mélange gazeux, en particulier un gaz ou mélange gazeux est choisi parmi l'oxygène, air, N2O/O2, He/O2 et NO/azote.The invention also relates to a use of a gas container according to the invention for distributing a gas or gas mixture, in particular a gas or gas mixture is chosen from oxygen, air, N 2 O / O 2 , He / O 2 and NO / nitrogen.

L'invention va maintenant être mieux comprise grâce à la description détaillée suivante, faite à titre illustratif mais non limitatif, en référence aux figures annexées parmi lesquelles :

  • la Figure 1 représente une vue de la face avant d'un capotage de protection selon l'invention équipant une bouteille de gaz,
  • la Figure 2 représente une vue de la face arrière du capotage de la Figure 1 avec dispositif d'accrochage en position d'accrochage,
  • la Figure 3 est une vue de ¾ arrière du capotage de la Figure 2,
  • la Figure 4 représente une vue partielle en coupe du capotage des Figures 3 et 4, et
  • la Figure 5 est similaire à la Figure 4 mais montre le dispositif d'accrochage en position de repos, et
  • la Figure 6 est une vue de dessus du capotage de la Figure 1, avec dispositif d'accrochage en position de repos comme sur la Figure 5.
The invention will now be better understood by virtue of the following detailed description, given by way of illustration but not limitation, with reference to the appended figures, among which:
  • the Figure 1 represents a view of the front face of a protective cowling according to the invention fitted to a gas cylinder,
  • the Figure 2 shows a view of the rear face of the cowling of the Figure 1 with hooking device in hooking position,
  • the Figure 3 is a rear ¾ view of the cowling of the Figure 2 ,
  • the Figure 4 shows a partial sectional view of the cowling of the Figures 3 and 4 , and
  • the Figure 5 is similar to Figure 4 but shows the hooking device in the rest position, and
  • the Figure 6 is a top view of the cowling of the Figure 1 , with hooking device in rest position as on the Figure 5 .

Les Figures 1 à 6 présentent un mode de réalisation d'un capotage de protection 1 rigide, couramment appelé « chapeau », agencé autour d'un bloc robinet 3, lui-même fixé sur le col d'une bouteille de gaz 10. La bouteille de gaz 10 a typiquement une taille entre 10 et 150 cm, et une contenance de 0,5 à 20 litres (en équivalent eau). Le capotage de protection 1 sert à protéger le bloc robinet 3 contre les chocs, que ledit bloc robinet 3 soit du type avec détendeur de gaz intégré ou RDI, ou du type sans détendeur intégré.The Figures 1 to 6 present an embodiment of a rigid protective cowling 1, commonly called a “cap”, arranged around a valve unit 3, itself fixed to the neck of a gas cylinder 10. The gas cylinder 10 has typically a size between 10 and 150 cm, and a capacity of 0.5 to 20 liters (in water equivalent). The protective cover 1 is used to protect the valve block 3 against impacts, whether said valve block 3 is of the type with integrated gas regulator or RDI, or of the type without integrated regulator.

Le capotage de protection 1 comprend un corps 2 de capotage formant une coque protectrice rigide autour d'un volume interne dimensionné pour recevoir le bloc robinet 3, une poignée de portage 4 conçue pour être prise en main par un opérateur, ladite poignée de portage 4 étant formée d'un matériau rigide, et portée par un ou plusieurs montants-supports 5 reliant mécaniquement le corps 2 de capotage à la poignée de portage 4, c'est-à-dire que le ou les montants-supports 5 sont solidarisés à la poignée de portage 4 de manière à permettre à un utilisateur de transporter facilement l'ensemble chapeau/robinet/bouteille.The protective casing 1 comprises a casing body 2 forming a rigid protective shell around an internal volume dimensioned to receive the valve unit 3, a carrying handle 4 designed to be taken in the hand by an operator, said carrying handle 4 being formed of a rigid material, and carried by one or more support uprights 5 mechanically connecting the cowling body 2 to the carrying handle 4, that is to say that the support upright or uprights 5 are secured to the carrying handle 4 so as to allow a user to easily carry the cap / valve / bottle assembly.

Le corps 2 du capotage 1 est typiquement en un matériau de type polymère et/ou métal, préférentiellement en matériau plastique, tel que PVC, PE, PET, PP, PMMA, PU, PA... De même, les montants-supports 5 peuvent être formés d'un matériau plastique, comme le corps du capotage 1, mais aussi en alliage d'aluminium ou tout autre matériau métallique.The body 2 of the cowling 1 is typically made of a material of polymer and / or metal type, preferably of a plastic material, such as PVC, PE, PET, PP, PMMA, PU, PA, etc. Likewise, the support uprights 5 can be formed from a plastic material, such as the body of the cowling 1, but also from an aluminum alloy or any other metallic material.

Le capotage de protection 1 présente par ailleurs des ouvertures donnant accès au bloc robinet 3 situé dans le volume interne du corps 2 de capotage 1, en particulier au raccord de sortie 8, au raccord de remplissage 11, au raccord de sortie sous pression 12, au volant rotatif 7...The protective cover 1 also has openings giving access to the valve unit 3 located in the internal volume of the cover body 2 1, in particular to the outlet connection 8, to the filling connection 11, to the outlet connection under pressure 12, on the rotary handwheel 7 ...

Plus précisément, le bloc robinet 3, typiquement de type RDI, comprend un volant rotatif 7, situé en face avant 2a, manipulable par un utilisateur pour contrôler le débit de gaz, un raccord de sortie de gaz 8 pour soutirer le gaz stocké dans la bouteille 10, un manomètre 9 pour contrôler la pression du gaz, un raccord de remplissage 11, situé en face arrière 2b, servant à introduire du gaz dans la bouteille 10 lorsque celle-ci est vide, et un raccord de sortie de gaz sous pression 12 situé latéralement et servant à distribuer le gaz à pression de service compatible avec l'application aval.More precisely, the valve unit 3, typically of the RDI type, comprises a rotary handwheel 7, located on the front face 2a, which can be manipulated by a user to control the gas flow, a gas outlet connector 8 to withdraw the gas stored in the gas flow. bottle 10, a manometer 9 to control the gas pressure, a filling connection 11, located on the rear face 2b, used to introduce gas into the bottle 10 when the latter is empty, and a pressurized gas outlet connection 12 located laterally and used to distribute the gas at operating pressure compatible with the downstream application.

L'assemblage du capotage de protection 1 et sa fixation autour du bloc de robinet porté par la bouteille de gaz 10, se fait par vissage au moyen d'éléments de fixation, à savoir des vis ou analogues.The assembly of the protective cover 1 and its fixing around the valve block carried by the gas cylinder 10, is done by screwing by means of fixing elements, namely screws or the like.

De préférence, le corps 2 du capotage de protection 1 est formé d'au moins deux demi-coques venant se solidariser l'une à l'autre, selon un plan de jonction vertical. Les deux demi-coques viennent alors prendre le robinet 3 et le col du récipient 10 en sandwich de manière à contenir le bloc robinet 3 dans leur espace ou volume interne.Preferably, the body 2 of the protective cowling 1 is formed of at least two half-shells coming to be joined to one another, along a vertical junction plane. The two half-shells then take the tap 3 and the neck of the container 10 in a sandwich so as to contain the tap block 3 in their internal space or volume.

Afin de permettre l'accroche ou l'arrimage de l'ensemble bouteille 10/bloc robinet 3/capotage 1 à un support, tel un barreau de lit d'hôpital ou de brancard, le capotage de protection 1 comprend, du côté de sa face arrière 2b, un dispositif d'accrochage 6 pivotant autour d'un axe AA, entre :

  • une position totalement repliée, dite « de repos », c'est-à-dire la position adoptée par le dispositif d'accrochage 6 lorsqu'il est rangé et positionné en contact ou quasi-contact du corps 2 du capotage 1, et
  • une position totalement dépliée dite « d'accrochage », c'est-à-dire la position adoptée par le dispositif d'accrochage 6 lorsqu'il est complètement sorti et peut être accroché à un support, tel un barreau de lit ou analogue.
In order to allow the bottle 10 / valve unit 3 / cover 1 assembly to be attached or secured to a support, such as a hospital bed bar or stretcher, the protective cover 1 comprises, on the side of its rear face 2b, a hooking device 6 pivoting about an axis AA, between:
  • a fully folded position, called "rest", that is to say the position adopted by the attachment device 6 when it is stored and positioned in contact or quasi-contact with the body 2 of the cowling 1, and
  • a completely unfolded position called "hooking", that is to say the position adopted by the hooking device 6 when it is completely out and can be hooked to a support, such as a bed bar or the like.

Sur les Figures 1, 5 et 6, le dispositif d'accrochage 6 est en position de repos, alors que sur les Figures 2 à 4, il est en position d'accrochage, c'est-à-dire totalement déplié. Ces deux positions constituent donc les positions angulaires extrêmes que peut adopter le dispositif d'accrochage 6 lors de son pivotement autour de l'axe AA. Typiquement, l'angle a de pivotement entre ces deux positions angulaires extrêmes est inférieur ou égale à 170° et supérieur à 0°, préférentiellement supérieur à 90°, par exemple un angle de l'ordre de 150°.On the Figures 1 , 5 and 6 , the hooking device 6 is in the rest position, while on the Figures 2 to 4 , it is in the hooking position, that is to say completely unfolded. These two positions therefore constitute the extreme angular positions which the attachment device 6 can adopt when it is pivoted about the axis AA. Typically, the pivot angle a between these two extreme angular positions is less than or equal to 170 ° and greater than 0 °, preferably greater than 90 °, for example an angle of the order of 150 °.

Afin de résoudre certains des problèmes posés par les dispositifs d'accrochage pivotants connus, dans le cadre de la présente invention, on veille à conserver un espacement E non nul (voir Fig. 5 et 6) entre le dispositif d'accrochage 6 et le corps 2 du capotage de protection, lorsque le dispositif d'accrochage 6 est en position totalement repliée, c'est-à-dire « de repos ».In order to solve some of the problems posed by known pivoting attachment devices, in the context of the present invention, care is taken to keep a non-zero spacing E (see Fig. 5 and 6 ) between the attachment device 6 and the body 2 of the protective cowling, when the attachment device 6 is in the fully folded position, that is to say “at rest”.

Pour ce faire, on aménage une (ou plusieurs) butée 13 entre la surface externe du corps 2 de capotage 1, à savoir sa face arrière 2a, et le dispositif d'accrochage 6 de sorte que ce dernier vienne reposer contre la butée 13, lorsque le dispositif d'accrochage 6 est en position « de repos », et donc ne vienne pas s'incruster dans une empreinte ou un logement du capotage 1.To do this, one (or more) stop 13 is arranged between the outer surface of the body 2 of the cowling 1, namely its rear face 2a, and the hooking device 6 so that the latter comes to rest against the stop 13, when the attachment device 6 is in the "rest" position, and therefore does not become embedded in an imprint or a housing of the cowling 1.

La (ou les) butée(s) 13 va donc stopper la course en pivotement angulaire du dispositif d'accrochage 6 lorsque celui-ci est replié par l'utilisateur pour le faire passer de sa position d'accrochage (Fig. 4) à sa position de repos (Fig. 5 et 6), puisque le dispositif d'accrochage 6 va rencontrer la butée 13, c'est-à-dire venir buter contre celle-ci.The stop (s) 13 will therefore stop the angular pivoting travel of the attachment device 6 when the latter is folded up by the user to make it pass from its attachment position ( Fig. 4 ) to its rest position ( Fig. 5 and 6 ), since the hooking device 6 will meet the stop 13, that is to say come up against the latter.

Ainsi, il restera toujours un espacement E minimum entre le dispositif d'accrochage 6 et la corps 2 du capotage 1 qui permettra alors à l'utilisateur de saisir facilement le dispositif d'accrochage 6 et de le faire pivoter vers sa position d'accrochage (Fig. 4). Le dispositif d'accrochage 6 est donc maintenu volontaire à une distance ou espacement E minimum de la surface externe du corps 2 du capotage 1, comme visible sur la Figure 6.Thus, there will always remain a minimum spacing E between the attachment device 6 and the body 2 of the cowling 1 which will then allow the user to easily grip the attachment device 6 and rotate it towards its attachment position. ( Fig. 4 ). The attachment device 6 is therefore kept deliberately at a minimum distance or spacing E from the external surface of the body 2 of the cowling 1, as visible on the figure. Figure 6 .

La butée 13 constitue une sorte d'excroissance de hauteur H, par exemple une hauteur H de 1 mm à 15 mm, portée par exemple par la surface externe du corps 2 de capotage 1 et se projetant vers l'extérieur du capotage 1. La butée 13 se situe en regard du dispositif d'accrochage 6, c'est-à-dire en face du dispositif d'accrochage 6. Dit autrement la (ou les) butée 13 est prise « en sandwich » entre le dispositif d'accrochage 6 et le corps 2 de capotage.The stop 13 constitutes a sort of protuberance of height H, for example a height H of 1 mm to 15 mm, carried for example by the outer surface of the body 2 of the cowling 1 and projecting outward from the cowling 1. The stop 13 is located opposite the hooking device 6, that is to say opposite the hooking device 6. In other words, the stopper (s) 13 is sandwiched between the hooking device 6 and the cowling body 2.

Dans le mode de réalisation de la Figure 3, une butée 13 unique est agencée au niveau de la base 14 du corps 2 de capotage 1 qui a ici une forme de collerette. Toutefois, selon un autre mode de réalisation, on peut agencer plusieurs butées 13, par exemple deux butées ou plus, entre le dispositif d'accrochage 6 pivotant et le corps 2 du capotage 1.In the embodiment of the Figure 3 , a single stop 13 is arranged at the level of the base 14 of the body 2 of the cowling 1 which here has the shape of a collar. However, according to another embodiment, it is possible to arrange several stops 13, for example two or more stops, between the pivoting attachment device 6 and the body 2 of the cowling 1.

De façon analogue, sur les Figures, la butée 13 est aménagée sur le corps 2 du capotage 1 mais selon un autre mode de réalisation, on peut aussi agencer une butée 13 sur le dispositif d'accrochage 6 lui-même ou, selon encore un autre mode de réalisation, des butées 13 peuvent être agencées à la fois sur le dispositif d'accrochage 6 et sur le corps 2 de capotage 1.Similarly, in the Figures, the stop 13 is arranged on the body 2 of the cowling 1 but according to another embodiment, it is also possible to arrange a stop 13 on the fastening device 6 itself or, according to another embodiment. Another embodiment, stops 13 can be arranged both on the hooking device 6 and on the body 2 of the cowling 1.

La butée 13 peut en outre avoir une autre fonction, à savoir, comme dans le cas du mode de réalisation illustré sur les Figures 1 à 5, recevoir une vis 15 ou analogue servant à solidariser les deux (ou plus) demi-coques formant le corps 2 de capotage, l'une avec l'autre étant donné que, dans le mode de réalisation représenté, la butée 13 est ici formée de deux parties ou sous-unités de butée, à savoir ici des demi-butées, chaque demi-butée étant portée par une des demi-coques formant le corps 2 de capotage, ce qui permet de fixer les deux demi-coques l'une à l'autre grâce à la vis 15 ou analogue traversant les demi-butées. En d'autres termes, la butée 13 est formée par réunion des deux demi-butées qui sont fixées l'une à l'autre par vissage de la vis 15 ou analogue, ce qui conduit par ailleurs à une solidarisation des deux demi-coques formant le corps 2 de capotage, l'une à l'autre.The stop 13 can also have another function, namely, as in the case of the embodiment illustrated in the Figures 1 to 5 , receive a screw 15 or the like serving to secure the two (or more) half-shells forming the cowling body 2, one with the other given that, in the embodiment shown, the stop 13 is formed here of two stop parts or sub-units, namely here half-stops, each half-stop being carried by one of the half-shells forming the cowling body 2, which makes it possible to fix the two half-shells one to the other by means of the screw 15 or the like passing through the half-stops. In other words, the stop 13 is formed by meeting the two half-stops which are fixed to one another by screwing the screw 15 or the like, which also leads to a joining of the two half-shells. forming the cowling body 2, one to the other.

Par ailleurs, comme illustré sur les Figure, le dispositif d'accrochage 3 forme une structure tridimensionnelle incurvée venant ceinturer le corps 2 de capotage, lorsque le dispositif d'accrochage 3 est en position de repos.Furthermore, as illustrated in the Figures, the attachment device 3 forms a curved three-dimensional structure surrounding the cowling body 2, when the attachment device 3 is in the rest position.

Plus précisément, la structure tridimensionnelle incurvée formant le dispositif d'accrochage 6 comprend deux bras, à savoir un bras droit 6a et un bras gauche 6b, venant prendre le corps 2 de capotage sensiblement « en sandwich », lorsque le dispositif d'accrochage 3 est en position de repos, c'est-à-dire replié au contact de la butée 13.More precisely, the curved three-dimensional structure forming the attachment device 6 comprises two arms, namely a right arm 6a and a left arm 6b, taking the cowling body 2 substantially “in sandwich”, when the attachment device 3 is in the rest position, that is to say folded in contact with the stop 13.

Chacun des bras 6a, 6b porte une encoche de fixation 16 servant à l'accrochage de l'ensemble à un support, tel un barreau de lit d'hôpital ou analogue. Chaque encoche de fixation 16 a une forme arquée, par exemple conformée en arc de cercle, comme illustré en Figure 2, de manière à épouser au mieux la forme d'un barreau tubulaire de lit, de brancard, de fauteuil roulant ou autre.Each of the arms 6a, 6b carries a fixing notch 16 serving for the attachment of the assembly to a support, such as a hospital bed bar or the like. Each fixing notch 16 has an arcuate shape, for example in the form of an arc of a circle, as illustrated in Figure 2 , so as to best match the shape of a tubular bed bar, stretcher, wheelchair or other.

En position de rangement, le dispositif d'accrochage 6 vient se positionner autour du corps 2 de capotage 1, c'est-à-dire que les bras droit 6a et gauche 6b viennent se positionner de part et d'autre du corps 2 de capotage 1, de manière à minimiser l'encombrement général du capotage 1, lorsque le dispositif d'accrochage 3 est replié comme sur la Figure 2.In the storage position, the hooking device 6 is positioned around the body 2 of the cowling 1, that is to say that the right 6a and left 6b arms are positioned on either side of the body 2 of cowling 1, so as to minimize the general bulk of the cowling 1, when the fastening device 3 is folded up as on the Figure 2 .

Lorsque la structure tridimensionnelle formant le dispositif d'accrochage 6 est repliée, elle fait saillie extérieurement du fait de la présence de la butée 13 sur lequel il vient prendre appui mais sans pour autant augmenter l'encombrement global du capotage 1. Le dispositif d'accrochage 6 vient alors au contact ou quasi-contact (en 20) de la butée 13 en recouvrant la butée 13, comme schématisé en Figure 5.When the three-dimensional structure forming the fastening device 6 is folded back, it protrudes outwardly due to the presence of the stop 13 on which it comes to rest but without increasing the overall size of the cowling 1. The device of hooking 6 then comes into contact or quasi-contact (at 20) with stop 13 by covering stop 13, as shown diagrammatically in Figure 5 .

Le dispositif d'accrochage 6 comporte donc une extrémité aval libre portant les bras 6a, 6b, et une extrémité amont venant se fixer en pivotement (axe AA) au corps 2 de capotage 1. Une ouverture peut être prévue dans la paroi du corps 2 de capotage 1 pour permettre et/ou faciliter le pivotement du dispositif d'accrochage 6 de sa position de repos à celle d'accrochage, ou inversement.The hooking device 6 therefore comprises a free downstream end carrying the arms 6a, 6b, and an upstream end which is pivotally fixed (axis AA) to the cowling body 2 1. An opening can be provided in the wall of the body 2. cover 1 to allow and / or facilitate the pivoting of the attachment device 6 from its rest position to that of attachment, or vice versa.

Le dispositif d'accrochage 6 peut être formé de plastique, de métal ou d'une combinaison des deux.The hooking device 6 can be formed of plastic, metal or a combination of the two.

Par ailleurs, dans une variante de réalisation, la structure tridimensionnelle constituant le dispositif d'accrochage 6 comprend une ouverture centrale 17, laissant apparaitre le raccord de remplissage 11, lorsque le dispositif d'accrochage 6 est en position de repos, c'est-à-dire replié et au contact de la butée 13. Ceci permet à l'utilisateur de remplir la bouteille 10 en gaz frais, sans avoir à déplier le dispositif d'accrochage 6, c'est-à-dire en laissant le dispositif d'accrochage 6 dans sa position de repos, comme illustré en Figures 1 et 5.Furthermore, in an alternative embodiment, the three-dimensional structure constituting the attachment device 6 comprises a central opening 17, revealing the filling connection 11, when the attachment device 6 is in the rest position, that is to say. that is to say folded up and in contact with the stop 13. This allows the user to fill the cylinder 10 with fresh gas, without having to unfold the hooking device 6, that is to say, leaving the device d 'hooking 6 in its rest position, as illustrated in Figures 1 and 5 .

Une bouteille de gaz équipée d'un capotage selon l'invention est particulièrement bien adaptée au stockage et à la distribution de gaz médicaux.A gas cylinder equipped with a cover according to the invention is particularly well suited to the storage and distribution of medical gases.

Claims (14)

  1. Protective covering (1) for a gas container (10) equipped with a valve unit, comprising:
    - a covering body (2) forming a protective shell delimiting an internal volume designed to receive all or part of the valve unit (3), and
    - a coupling device (3) that pivots between a plurality of angular positions comprising a rest position, in which the coupling device (3) is entirely retracted, and a coupling position, in which the coupling device (3) is extended,
    - at least one stop (13) arranged between the coupling device (6) and the covering body (2), said coupling device (6) coming into contact with said stop (13) when it is in the rest position,
    characterized in that said coupling device is kept by said stop (13) at a distance (E) of at least around 1 mm from the external surface of the covering body (2), said at least one stop (13) being arranged at the base (14) of the covering body (2) so as to stop the travel of the coupling device in the rest position, and so as to be slightly raised from the surface of the covering body and to be able to be grasped easily by the user.
  2. Covering according to the preceding claim, characterized in that the coupling device (3) is kept at a given distance (E) of between 1.5 and 10 mm from the external surface of the covering body (2).
  3. Covering according to either of the preceding claims, characterized in that the stop (13) is arranged on the covering body (2).
  4. Covering according to one of the preceding claims, characterized in that the coupling device (3) has two arms (6a, 6b) that extend laterally on either side of the covering body (2), said at least one stop (13) being arranged so as to be sandwiched between the coupling device (3) at the two arms (6a, 6b) and the body (2) of the covering (1).
  5. Covering according to one of the preceding claims, characterized in that the covering body (2) bears at least one stop (13) protruding away from the external surface of said covering body (2).
  6. Covering according to one of the preceding claims, characterized in that the covering body (2) bears at least one stop (13) protruding from the external surface of said covering body (2), said stop (13) having a height H of between 1 and 15 mm.
  7. Covering according to one of the preceding claims, characterized in that the stop (13) is arranged on the covering body (2) and is passed through by a fastening means (15), preferably a screw or a bolt.
  8. Covering according to Claim 7, characterized in that the stop (13) is arranged on the covering body (2) and is passed through by a screw or a bolt.
  9. Covering according to one of the preceding claims, characterized in that the covering body (2) comprises two half-shells that are secured together by means of said one fastening means (15) passing through the stop (13).
  10. Covering according to one of the preceding claims, characterized in that the stop (13) is formed of a plurality of parts, in particular of two half-stops.
  11. Covering according to one of the preceding claims, characterized in that the covering body (2) comprises two half-shells that each bear a half-stop (13).
  12. Covering according to one of the preceding claims, characterized in that the covering (1) body (2) comprises a collar provided at its base (14), said at least one stop (13) being arranged on said collar.
  13. Gas container (10) equipped with a valve unit (3) and a protective covering (1) arranged around at least one part of said valve unit (3), characterized in that it comprises a protective covering (1) according to one of the preceding claims.
  14. Use of a gas container according to Claim 13 for storing or distributing a gas or gaseous mixture, the gas or gaseous mixture preferably being chosen from oxygen, air, N2O/O2, He/O2 and NO/nitrogen.
EP17305601.1A 2016-06-21 2017-05-23 Protective hood with pivoting attachment system having a halting abutment for a gas cylinder Active EP3260760B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1655752A FR3052846B1 (en) 2016-06-21 2016-06-21 PROTECTIVE COVERAGE WITH SWIVEL HINGING SYSTEM FOR A GAS CONTAINER

Publications (2)

Publication Number Publication Date
EP3260760A1 EP3260760A1 (en) 2017-12-27
EP3260760B1 true EP3260760B1 (en) 2021-03-10

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Application Number Title Priority Date Filing Date
EP17305601.1A Active EP3260760B1 (en) 2016-06-21 2017-05-23 Protective hood with pivoting attachment system having a halting abutment for a gas cylinder

Country Status (3)

Country Link
EP (1) EP3260760B1 (en)
ES (1) ES2876875T3 (en)
FR (1) FR3052846B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3094447B1 (en) 2019-03-25 2021-06-25 Air Liquide Electronic device for gas container
IT202100032201A1 (en) * 2021-12-22 2023-06-22 Cavagna Group Spa PROTECTIVE DEVICE FOR PRESSURE VESSELS
WO2024015052A1 (en) 2022-07-13 2024-01-18 Praxair Technology, Inc. Protective shroud for a valve integrated pressure regulator (vipr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706016B1 (en) 1993-06-03 1995-07-28 France Prod Oxygenes Co Gas bottle cap.
FR2807820B1 (en) 2000-04-17 2002-06-14 Air Liquide Sante Int GAS BOTTLE WITH PROTECTIVE COVERS FOR USE IN THE MEDICAL FIELD
DE10057469C2 (en) 2000-11-20 2003-04-17 Messer Griesheim Gmbh Protective cap for compressed gas cylinders with a holding rail
FR2897920B1 (en) * 2006-02-24 2008-06-20 Codecom Sarl HAT FOR THE PROTECTION AND HANDLING OF A METAL BOTTLE FORMING A CONTAINER UNDER PRESSURE, IN PARTICULAR A BOTTLE OF LIQUEFIED PETROLEUM GAS, AND METHODS OF MANUFACTURING SUCH A HAT
EP2586481A1 (en) 2011-10-27 2013-05-01 Linde Aktiengesellschaft Cover for a valve cap of a gas cylinder
LU92388B1 (en) 2014-03-03 2015-09-04 Luxembourg Patent Co Sa Cover for gas cylinder tap
FR3018584B1 (en) * 2014-03-12 2016-04-15 Air Liquide PROTECTIVE COVERAGE WITH PIVOTING CLAMP SYSTEM FOR GAS BOTTLE

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP3260760A1 (en) 2017-12-27
FR3052846B1 (en) 2019-03-15
ES2876875T3 (en) 2021-11-15
FR3052846A1 (en) 2017-12-22

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