EP1041339B2 - Offene Verbundkappe für grosse industrielle und medizinische Gasflaschen - Google Patents

Offene Verbundkappe für grosse industrielle und medizinische Gasflaschen Download PDF

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Publication number
EP1041339B2
EP1041339B2 EP00400537A EP00400537A EP1041339B2 EP 1041339 B2 EP1041339 B2 EP 1041339B2 EP 00400537 A EP00400537 A EP 00400537A EP 00400537 A EP00400537 A EP 00400537A EP 1041339 B2 EP1041339 B2 EP 1041339B2
Authority
EP
European Patent Office
Prior art keywords
insert
cowling
mould
protective
metal
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.)
Expired - Lifetime
Application number
EP00400537A
Other languages
English (en)
French (fr)
Other versions
EP1041339B1 (de
EP1041339A1 (de
Inventor
Etienne Gounot
Alain Taillandier
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA a Directoire et Conseil de Surveillance 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9543904&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1041339(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide SA, LAir Liquide SA a Directoire et Conseil de Surveillance pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP1041339A1 publication Critical patent/EP1041339A1/de
Application granted granted Critical
Publication of EP1041339B1 publication Critical patent/EP1041339B1/de
Publication of EP1041339B2 publication Critical patent/EP1041339B2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/06—Closures, e.g. cap, breakable member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/054—Size medium (>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
    • 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
    • F17C2205/0338—Pressure regulators
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/7043—Guards and shields
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/6851—With casing, support, protector or static constructional installations
    • Y10T137/7043—Guards and shields
    • Y10T137/7062—Valve guards

Definitions

  • the present invention relates to the field of gas containers, in particular that of gas cylinders, and more precisely the protective covers intended to equip such gas containers.
  • valves of large industrial and medical gas cylinders are protected by protective covers, commonly called caps, of the open or closed type.
  • the protection of cylinder valves is essential for safety. In the event of a fall, when transporting the bottles, the caps must provide sufficient protection for the valve so that it remains maneuverable after the bottle has fallen.
  • the EN962 standard specifies the design, construction and tests relating to these caps.
  • hats are used to handle bottles and they also contribute to their commercial image.
  • Open hats offer many advantages over closed hats. They allow, in fact, to access the gas without having to be removed, both during packaging and when using the bottle.
  • the open hats of large bottles are mainly made of metal. Indeed, the weight of these bottles from 40 to 100 kg, makes the mechanical resistance requirements of the hat very high.
  • the caps made of plastic material do not offer sufficient resistance, particularly with regard to the fixing thread on the flange of the bottle.
  • caps made of plastic material have the advantage of being able to be produced more easily, that is to say by simple molding, and are also lighter than those made of metal.
  • plastic caps have the advantage of not being sensitive to corrosion by their composition, which is not the case with certain metal caps.
  • the problem which then arises is to be able to have a protective cover for a gas container, in particular for gas bottles, having, on the one hand, the advantages of plastic caps (easy to manufacture, absence of corrosion, etc.) and, on the other hand, those of metal caps (impact resistance ).
  • the solution provided by the present invention is a bi-material cap composed of a metal insert overmolded in a cover structure of polymer material.
  • the present invention therefore relates to an open protective cover for a fluid container, in particular for a gas bottle, composed of a cover body made of polymer material comprising a metal insert or a tapped metal alloy, characterized in that the insert comprises one or more recesses and / or one or more reinforcements on its external peripheral wall making it possible to improve the fixing of the insert in the plastic of the collection body, or several reinforcements on its external peripheral wall.
  • the invention also relates to a fluid container, in particular a gas cylinder, equipped with a valve block or a valve / regulator assembly and bearing, in addition, a protective cover according to the invention .
  • the insert is produced by molding a metal alloy and subsequent tapping of its internal wall.
  • Figure 1 shows schematically different possible forms of protective cover of the open type, which are conventionally encountered in the prior art. These are usually formed from a single structure of a metal alloy.
  • FIGS 2 and 3 shows, in turn, two embodiments of cowlings 1 according to the invention.
  • the cowlings of FIGS. 2 and 3 each consist of a cowling body 1 provided, at its base 4, with a metal insert 2.
  • the insert 2 consists of a molded metal alloy, for example Zamac 5, and intended to ensure the connection between the flange of the bottle and the polymer form.
  • Its tapping dimensions are a function of the dimensions and tolerances of the flange of the bottle, as well as of the shrinkage generated by the polymer form when the cap hardens (compression of the insert).
  • the insert 2 has ribbed reinforcements 6. Recesses 7 allow, moreover, a good connection between the insert 2 and the plastic, as well as good flow at the time of molding.
  • Screw passages 11 are provided for effective fixing and blocking of the cap on the gas bottle.
  • the polymer body 1 is made of impact-modified polyamide 6, for example of Grilon TM.
  • the shape of the hat combined with the characteristics of this polymer, solves the technical problems of rigidity / absorption mentioned above.
  • the body is surmounted by a knob 3 used for handling and which may contain an electronic chip (not shown).
  • a knob 3 used for handling and which may contain an electronic chip (not shown).
  • the plastic material of the cover makes the magnetic reading of the chip easier and efficient than in the case of a metal cover.
  • the hats are made as explained below.
  • the inserts are pre-molded and tapped.
  • an overmolding is carried out which consists in placing the insert on an insert holder around the core of the polymer mold.
  • the two mold cavities close, sealing is ensured between the cavities, the core and the insert itself.
  • the polymeric material is then injected and polymerized in the mold.
  • the cap is removed from the mold and the finishing touches are carried out, for example removing burrs.
  • a protective cap according to the invention can be used to protect fragile organs, in particular taps, regulators and / or pressure gauges, gas cylinders intended for any field of activity, in particular in the field of welding, electronics. , food and health.

Landscapes

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

Claims (9)

  1. Schutzkappe für einen Fluidbehälter, insbesondere für eine Gasflasche, die aus einem Kappenkörper (1) aus Polymermaterial mit einem Einsatz (2) aus Metall oder einer Metallegierung mit Innengewinde (10) besteht, dadurch gekennzeichnet, daß der Einsatz (2) eine oder mehrere Aussparungen (7) und mehrere Verstärkungen (6) an seiner Außenumfangswand bzw. mehrere Verstärkungen (6) an seiner Außenumfangswand enthält.
  2. Kappe nach Anspruch 1, dadurch gekennzeichnet, daß der Einsatz (2) im wesentlichen die Form eines Rings mit einer mit Innengewinde versehenen Innenwand aufweist.
  3. Kappe nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Kappenkörper (1) um den mit Innengewinde versehenen Einsatz (2) herum aufgespritzt ist.
  4. Kappe nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß der Einsatz (2) aus einem Zamac-Material besteht.
  5. Kappe nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß der Kappenkörper (1) aus einem Polyamid-Polymer besteht.
  6. Kappe nach den Ansprüchen 1 bis 5, dadurch gekennzeichnet, daß der Kappenkörper (1) aus einem den Einsatz (2) zumindest teilweise umfassenden Basisteil (4) besteht, welcher von einem Schutzbügel (5) überragt wird.
  7. Kappe nach den Ansprüchen 1 bis 6, dadurch gekennzeichnet, daß der Kappenkörper (1) einen Betätigungsknauf (3) aufweist, der Knauf (3) vorzugsweise von dem Schutzbügel (5) getragen wird und vorzugsweise einen elektronischen Chip enthält.
  8. Fluidbehälter, insbesondere Gasflasche, der mit einem Ventilblock oder einer Ventil-/Druckminderanordnung ausgestattet und des weiteren mit einer Schutzkappe gemäß einem der Ansprüche 1 bis 7 versehen ist.
  9. Verfahren zur Herstellung einer Schutzkappe gemäß einem der Ansprüche 1 bis 7, bei dem man
    a) einen Einsatz (2) aus Metall oder einer Metallegierung, der vorzugsweise ein Innengewinde aufweist, um einen Formwerkzeugkern herum anordnet;
    b) das Formwerkzeug um den mit dem Einsatz (2) versehenen Formwerkzeugkern herum positioniert;
    c) die Polymermaterialbestandteile in das Formwerkzeug einführt;
    d) die Kappe entformt und den Formwerkzeugkern der Kappe nach der Polymerisation herauszieht.
EP00400537A 1999-04-01 2000-02-29 Offene Verbundkappe für grosse industrielle und medizinische Gasflaschen Expired - Lifetime EP1041339B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9904090A FR2791757B1 (fr) 1999-04-01 1999-04-01 Chapeau ouvert composite de grandes bouteilles de gaz industriels et medicaux
FR9904090 1999-04-01

Publications (3)

Publication Number Publication Date
EP1041339A1 EP1041339A1 (de) 2000-10-04
EP1041339B1 EP1041339B1 (de) 2002-05-02
EP1041339B2 true EP1041339B2 (de) 2004-12-29

Family

ID=9543904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00400537A Expired - Lifetime EP1041339B2 (de) 1999-04-01 2000-02-29 Offene Verbundkappe für grosse industrielle und medizinische Gasflaschen

Country Status (15)

Country Link
US (1) US6311722B1 (de)
EP (1) EP1041339B2 (de)
JP (1) JP4611485B2 (de)
CN (1) CN1117944C (de)
AR (1) AR023257A1 (de)
AT (1) ATE217065T1 (de)
AU (1) AU752535B2 (de)
BR (1) BR0001513A (de)
CA (1) CA2300501C (de)
DE (1) DE60000143T3 (de)
DK (1) DK1041339T4 (de)
ES (1) ES2176155T5 (de)
FR (1) FR2791757B1 (de)
PT (1) PT1041339E (de)
ZA (1) ZA200001307B (de)

Cited By (1)

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DE102014011214A1 (de) 2014-07-29 2016-02-04 Messer Gaspack Gmbh Schutzvorrichtung für Druckgasbehälter

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EP2835573B1 (de) 2013-08-06 2019-11-20 Air Products And Chemicals, Inc. Zylinderreglerschutzhebeeinrichtung
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US9932148B2 (en) * 2015-01-23 2018-04-03 Amtrol Licensing Inc. Handle assembly for a portable pressurized gas cylinder
DE102015005599A1 (de) * 2015-04-29 2016-11-03 Messer Gaspack Gmbh Modulares Gasentnahmesystem für Druckgasflaschen
FR3043443B1 (fr) * 2015-11-06 2018-04-13 Rovip Chapeau de protection d'une bouteille de gaz
CN105546345A (zh) * 2016-01-28 2016-05-04 浙江伟鑫金属制品有限公司 一种氧气瓶保护罩
USD829859S1 (en) * 2016-07-13 2018-10-02 Luxembourg Patent Company S.A. Protection cap for cylinder valve
FR3054637B1 (fr) * 2016-07-26 2019-01-25 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Capotage de protection pour recipient de gaz a poignee de portage munie d’une etiquette electronique
CA184896S (fr) * 2017-06-22 2019-05-09 Air Liquide Chapeau de bouteille de gaz
WO2019046617A1 (en) 2017-08-30 2019-03-07 Wilkinson Michael Wayne QUICK RELEASE CAP FOR COMPRESSED GAS BOTTLE
US10753541B2 (en) 2018-05-16 2020-08-25 Amtrol Licensing Inc. Handle assembly for a portable pressurized gas cylinder
CN111396737B (zh) * 2019-01-02 2024-09-24 张家港中集圣达因低温装备有限公司 船用液罐
USD930109S1 (en) * 2020-08-06 2021-09-07 Amtrol Licensing, Inc. Handle
CN111853539A (zh) * 2020-08-12 2020-10-30 上海万亘实业有限公司 一种瓶帽及压力容器
CN111981317A (zh) * 2020-09-14 2020-11-24 诸暨市晓忠气体供应有限公司 一种气体钢瓶防护帽及其材料
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US20230115915A1 (en) 2021-10-11 2023-04-13 C&S Healthcare Consulting LLC Safety cap for laboratory and consumable containers
DE102021006171A1 (de) 2021-12-14 2023-06-15 Foot Print UG (haftungsbeschränkt) Abdeckkappe mit Ventilregulierung

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014011214A1 (de) 2014-07-29 2016-02-04 Messer Gaspack Gmbh Schutzvorrichtung für Druckgasbehälter
EP3805627A1 (de) 2014-07-29 2021-04-14 Messer GasPack GmbH Schutzvorrichtung für druckgasbehälter

Also Published As

Publication number Publication date
DK1041339T3 (da) 2002-07-08
CA2300501C (fr) 2008-01-29
US6311722B1 (en) 2001-11-06
DK1041339T4 (da) 2005-04-11
DE60000143T3 (de) 2005-08-11
JP4611485B2 (ja) 2011-01-12
AU752535B2 (en) 2002-09-19
ATE217065T1 (de) 2002-05-15
FR2791757A1 (fr) 2000-10-06
ES2176155T3 (es) 2002-12-01
AR023257A1 (es) 2002-09-04
EP1041339B1 (de) 2002-05-02
CN1269483A (zh) 2000-10-11
PT1041339E (pt) 2002-09-30
AU2265700A (en) 2000-10-05
CN1117944C (zh) 2003-08-13
DE60000143T2 (de) 2002-10-31
CA2300501A1 (fr) 2000-10-01
FR2791757B1 (fr) 2001-06-15
JP2000304197A (ja) 2000-11-02
DE60000143D1 (de) 2002-06-06
ZA200001307B (en) 2000-10-20
EP1041339A1 (de) 2000-10-04
ES2176155T5 (es) 2005-07-01
BR0001513A (pt) 2000-10-10

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