EP3329171B1 - Chapeau de protection, bouteille comprenant un tel chapeau et son procédé de montage ou de démontage - Google Patents

Chapeau de protection, bouteille comprenant un tel chapeau et son procédé de montage ou de démontage Download PDF

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Publication number
EP3329171B1
EP3329171B1 EP16747844.5A EP16747844A EP3329171B1 EP 3329171 B1 EP3329171 B1 EP 3329171B1 EP 16747844 A EP16747844 A EP 16747844A EP 3329171 B1 EP3329171 B1 EP 3329171B1
Authority
EP
European Patent Office
Prior art keywords
bolt
nut
cap
collar
housing
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
EP16747844.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3329171A1 (fr
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
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 Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to PL16747844T priority Critical patent/PL3329171T3/pl
Publication of EP3329171A1 publication Critical patent/EP3329171A1/fr
Application granted granted Critical
Publication of EP3329171B1 publication Critical patent/EP3329171B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F17C13/06—Closures, e.g. cap, breakable member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0308—Protective caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles

Definitions

  • the present invention relates to a protective cap for a pressurized fluid bottle valve, a bottle comprising such a cap and its assembly or disassembly method.
  • the invention relates more particularly to a protective cap for a pressurized fluid cylinder valve comprising a rigid structure delimiting a protective volume for a valve, this structure comprising a lower end intended to be fixed to the upper end of a cylinder. fluid under pressure, said lower end comprising a mounting collar provided on its internal surface with hooking indentations, in particular an internal thread, intended to cooperate by hooking up with a mating imprint system, in particular a thread, of the end upper part of a pressurized fluid bottle, the collar being composed of at least two portions capable of being moved or deformed relative to one another to increase or reduce the diameter of said collar in order to facilitate its assembly and / or its disassembly, the cap further comprising a clamp tightening device to reduce its diameter and comprising a system of typ e screw and nut, the two portions of the collar each comprising a respective housing for a screw and nut system, the two housings being disposed adjacent, a first housing being provided to accommodate: a first end of a
  • the known solutions consist in providing a cap whose structure comprises several parts (for example two-half-shells) and possibly a split intermediate ring, a spacer tool, etc.
  • An object of the present invention is to overcome all or part of the drawbacks of the prior art noted above.
  • each housing comprises respective walls forming a system of stops for respectively the head of the screw and the nut to also transmit a force for separating the two portions of the collar when unscrewing the nut relative to the screw.
  • the invention also relates to a pressurized fluid bottle comprising a tap and a protective cap for the tap, the cap being mounted around a cylindrical neck, the cap conforming to any one of the above characteristics or below.
  • the invention also relates to a method for mounting or removing a cap conforming to any one of the characteristics above or below on a pressurized fluid bottle, the method comprising a screwing and / or unscrewing step. of the screw / nut system to bring the two portions of the bonnet mounting collar closer together or apart, respectively generating a force to move said portions closer together or apart via the nut and / or the head of the screw of the screw / nut system when the distance or the relative distance of the nut from the screw head.
  • the invention may also relate to any alternative device or method comprising any combination of the characteristics above or below, within the scope of the claims.
  • a protective cap 1 for a valve 7 of a pressurized fluid bottle 6 conventionally comprises a rigid structure 2 delimiting a protective volume for a valve 7 (cf. figure 1 ).
  • This rigid structure for example in the form of a cage, hoop or tube, has a lower end intended to be fixed to the upper end of a pressurized fluid bottle.
  • This lower end can comprise in particular a mounting collar 4 intended to be fixed on the neck (for example cylindrical) of the upper end of a bottle 6.
  • This collar 4 can be fixed directly on the bottle 6 or on a part. intermediate placed between the cap 1 and the bottle 6.
  • At least part of the internal surface of the collar 4 is provided with hooking impressions 40 intended to cooperate in coupling with a system 49 of conjugate impressions located on the upper end of the bottle 6.
  • the impression system may include ribs and hollows to block the cap 1 in vertical translation on the bottle 6 and preferably also to block it in rotation around the longitudinal axis of the bottle 6.
  • a classic hanging system is screwing. That is, collar 4 of cap 1 is threaded and is screwed onto a thread on bottle 6.
  • the collar 4 is composed of two portions 41, 42 capable of being moved relative to one another, by for example by elastic deformation, to increase or reduce the diameter of said collar 4 in order to facilitate its removal and / or its assembly.
  • the cap 1 comprises a device for tightening or loosening the collar 4 or for loosening it to reduce or increase its diameter.
  • This device comprises a screw 47 and nut 48 type system.
  • the two portions 41, 42 of the collar 4 each comprise a respective housing 44, 45 located adjacent to the gap (that is to say adjacent to the cutout of the collar 4).
  • a first housing 44 is provided to receive: a first end of a head 46 of the screw 47.
  • the second housing 45 is provided to accommodate the nut 48 and the end of the screw on which it is mounted.
  • the screw 47 and nut 48 device forms a system for adjusting the diameter or the shape of the collar 4 via the control of the spacing of the gap 43.
  • Each housing 44, 45 comprises respective walls 144, 244, 145, 245 forming a system of stops for respectively the head 46 of the screw and the nut 48.
  • the system screw-nut is loosened until the nut 48 and the screw head rest on the corresponding walls of the housings. An additional torque is applied to separate the two faces allowing the enlargement of the diameter of the thread.
  • the cap 1 can then be screwed more easily onto the bottle 6 by screwing via the threading / tapping system (or another equivalent system). As soon as the position of the cap assembly 1 on the bottle is satisfactory, the cap 1 can be maintained in its position by tightening the screw / nut assembly.
  • the screw 47 can be tightened until the screw head 46 rests on the internal wall 244 of the housing 44.
  • An additional tightening torque can be applied to bring the two parts 41 together, 42 allowing the rotation of the threads of the cap 1 on the threads of the bottle 6.
  • Disassembly can be done in reverse.
  • the screw / nut device can be loosened until it rests on the end walls 144, 145 of the housings 44, 45 (that is to say on the walls 144, 145 of the housings opposite the internal walls 244, 245). Then an additional torque can be applied to separate the two faces allowing the enlargement of the thread diameter.
  • the cap 1 can then be unscrewed more easily from the bottle 6.
  • the same screw system 47 and nut 48 can be used both in the phases of assembly and disassembly of the cap 1 with respect to the bottle 6 (to separate or tighten the collar 4 of the cap 1).
  • separate walls form stops for tightening and loosening, respectively.
  • Loosening allows the gap 43 to be enlarged beyond its “normal” size (the normal size refers to the size of the gap 43 when the collar is at rest, that is to say no subject to a tightening or loosening force).
  • end wall or walls 144 and in particular the end wall cooperating with the head 46 of the screw, forms a stop allowing the screw / nut system to separate the two portions.
  • the nut 48 and the head 46 of the screw comprise, for example, faces perpendicular to the longitudinal axis of the screw 47.
  • the walls 144, 244, 145, 245 of the housings 44, 45 form a system of stops for the head respectively.
  • 46 screw and nut 48 which are also perpendicular to the longitudinal axis of screw 47.
  • the nut 48 is locked in rotation in its housing 45 around the longitudinal axis of the screw 47 (for example the nut 48 is square and is received in a complementary housing which blocks it in rotation around the axis length of the screw 47).
  • the nut can rotate in its housing and in this case, its locking in rotation is ensured by a tool (screwdriver wrench) handled by an operator.
  • the head 46 of the screw 47 is free to rotate in its housing 44 around the longitudinal axis of the screw 47.
  • the cap 1 has an orifice 50 or passage for access to the internal volume of the housing 44 which houses the head 46 of the screw. to allow the passage of a tool (a screw or wrench or other) and allow the rotation of the head 46 of the screw 47.
  • assembly screw 47 may for example be of the type with hexagon socket.
  • the nut can have a hexagonal, triangular or any other suitable shape.
  • the head 46 of the screw 47 preferably has play in its housing 44, 45 in a direction parallel to the longitudinal axis of the screw 47.
  • the nut 48 and / or the screw 47 and in particular the head 46 of the screw are preferably housed in a stable manner in their housing 44, 45, in particular by fitting. That is to say that the clamping / loosening system is integral with the collar 4 or cap 1. The operator does not have to handle separate parts and is less likely to lose them.
  • the cap 1 has a specific cavity comprising or more zones allowing the insertion and the maintenance of the screw 47 and of the nut 48.
  • Other solutions than the installation by force can be envisaged (gluing, welding. , ).
  • the nut 48 separate from the cap can be replaced by an internal thread formed in a portion of the cap forming a threaded housing 45 intended to accommodate the end of the screw 47. That is to say that the screw 47 is screwed directly. in a threaded portion of the cap or of a part integral with the cap. In this case, the tightening / loosening force is transmitted directly to the bonnet (collar 4) via the threads of the tapping. That is to say that the threaded portion forms a nut which cooperates with the screw 47.
  • the cap 1 may include a second screw / nut tightening / loosening device as described. above or another known type.
  • this second clamping / loosening system is arranged diametrically opposite to the first clamping / loosening device at the level of the collar.
  • This tightening / loosening system can be applied in particular to a bonnet structure using a split intermediate mounting ring forming an entity structurally distinct from the bonnet (cf. for example FR2900717A1 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP16747844.5A 2015-07-31 2016-07-20 Chapeau de protection, bouteille comprenant un tel chapeau et son procédé de montage ou de démontage Active EP3329171B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16747844T PL3329171T3 (pl) 2015-07-31 2016-07-20 Nakładka ochronna, butelka zawierająca taką nakładkę oraz sposób jej montażu lub demontażu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1557424A FR3039623B1 (fr) 2015-07-31 2015-07-31 Chapeau de protection, bouteille comprenant un tel chapeau et son procede de montage ou de demontage
PCT/FR2016/051874 WO2017021614A1 (fr) 2015-07-31 2016-07-20 Chapeau de protection, bouteille comprenant un tel chapeau et son procédé de montage ou de démontage

Publications (2)

Publication Number Publication Date
EP3329171A1 EP3329171A1 (fr) 2018-06-06
EP3329171B1 true EP3329171B1 (fr) 2021-09-01

Family

ID=54260975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16747844.5A Active EP3329171B1 (fr) 2015-07-31 2016-07-20 Chapeau de protection, bouteille comprenant un tel chapeau et son procédé de montage ou de démontage

Country Status (6)

Country Link
US (1) US20180231187A1 (pl)
EP (1) EP3329171B1 (pl)
DK (1) DK3329171T3 (pl)
FR (1) FR3039623B1 (pl)
PL (1) PL3329171T3 (pl)
WO (1) WO2017021614A1 (pl)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004117A (en) * 1989-09-25 1991-04-02 Sakae Kitsuda Safety cylinder cap
WO1995011403A1 (en) * 1993-10-19 1995-04-27 Aba Of Sweden Ab Clamping collar
FR2729739B1 (fr) * 1995-01-25 1997-04-25 Soc D Anciennes Fonderies Et A Protecteurs pour bouteilles a gaz industriels, domestiques ou medicaux pourvus d'un collier autoserrant de securite
FR2900717B1 (fr) 2006-05-03 2008-07-11 Air Liquide Chapeau de protection pour recipient et recipient pourvu d'un tel chapeau

Also Published As

Publication number Publication date
WO2017021614A1 (fr) 2017-02-09
FR3039623A1 (fr) 2017-02-03
US20180231187A1 (en) 2018-08-16
PL3329171T3 (pl) 2022-01-17
FR3039623B1 (fr) 2018-03-02
DK3329171T3 (da) 2021-11-22
EP3329171A1 (fr) 2018-06-06

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