FR2681666A1 - Steel bottle (cylinder) for a pressurised fluid, particularly to be built in to a drinks barrel where the drink is intended to be delivered under pressure - Google Patents

Steel bottle (cylinder) for a pressurised fluid, particularly to be built in to a drinks barrel where the drink is intended to be delivered under pressure Download PDF

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Publication number
FR2681666A1
FR2681666A1 FR9111806A FR9111806A FR2681666A1 FR 2681666 A1 FR2681666 A1 FR 2681666A1 FR 9111806 A FR9111806 A FR 9111806A FR 9111806 A FR9111806 A FR 9111806A FR 2681666 A1 FR2681666 A1 FR 2681666A1
Authority
FR
France
Prior art keywords
tube
main tube
axis
orifice
bottle according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR9111806A
Other languages
French (fr)
Inventor
Mariet Jacques
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.)
RECH COMMERC ASSIST TE ET
Original Assignee
RECH COMMERC ASSIST TE ET
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 RECH COMMERC ASSIST TE ET filed Critical RECH COMMERC ASSIST TE ET
Priority to FR9111806A priority Critical patent/FR2681666A1/en
Publication of FR2681666A1 publication Critical patent/FR2681666A1/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • 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
    • F17C2201/01—Shape
    • F17C2201/0138—Shape tubular
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0617—Single wall with one layer
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0639—Steels
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2181—Metal working processes, e.g. deep drawing, stamping or cutting
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/221—Welding
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/036—Very high pressure, i.e. above 80 bars
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/04—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by other properties of handled fluid after transfer
    • F17C2225/042—Localisation of the filling point

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

The invention relates to a steel bottle (cylinder) for a pressurised fluid of the type made up of a main tube which extends along a longitudinal axis and which is extended at one end by a laterally offset outlet pipe. According to the invention, the said end (1a) of the main tube (1) has been forged in order to exhibit a hemispherical shape, then pierced in order to exhibit an orifice (3) and the outlet pipe is made up of a pipe (5) which has been inserted into this orifice and welded to the main tube. The invention applies particularly to bottles intended to be incorporated in a drinks barrel in order to deliver this drink under pressure.

Description

L'invention concerne une bouteille en acier pour fluide sous pression et s'applique notamment aux bouteilles destinées à être incorporées à un fût de liquide pour fournir une pression de gaz en vue de la propulsion de ce liquide hors du fût
C'est le cas notamment des fûts de bière dont le contenu doit être propulsé depuis le fût jusqu'à un robinet où la bière doit être délivrée sous pression.The invention relates to a steel bottle for pressurized fluid and applies in particular to bottles intended to be incorporated into a barrel of liquid in order to provide a gas pressure for the propulsion of this liquid out of the barrel.
This is particularly the case with beer kegs, the contents of which must be propelled from the keg to a tap where the beer must be delivered under pressure.

Les bouteilles en cause sont constituées d'un tube principal qui constitue le réservoir du fluide sous pression, généralement du gaz carbonique liquéfié, et d'un conduit de sortie terminé par un raccord. The cylinders in issue consist of a main tube which constitutes the reservoir for the pressurized fluid, generally liquefied carbon dioxide, and an outlet conduit terminated by a connector.

Pour des raisons de place disponible, le conduit de sortie est généralement décalé latéralement par rapport à l'extrémité de la bouteille qu'il prolonge. For reasons of available space, the outlet conduit is generally offset laterally relative to the end of the bottle which it extends.

Pour fabriquer une telle bouteille, la solution courante consiste à fabriquer séparément le tube et le conduit de sortie et à les munir de raccords permettant de fixer le conduit sur le tube. Une telle technique de fabrication est coûteuse et d'un rendement peu élevée, sauf à disposer de plusieurs chaînes de fabrication fonctionnant en parallèle, ce qui nécessite des investissements élevés. To manufacture such a bottle, the current solution consists in separately manufacturing the tube and the outlet conduit and in providing them with fittings making it possible to fix the conduit on the tube. Such a manufacturing technique is expensive and of low efficiency, except for having several production lines operating in parallel, which requires high investments.

La présente invention vise à fournir une bouteille pour fluide sous pression obtenue essentiellement par forgeage. The present invention aims to provide a bottle for pressurized fluid obtained essentially by forging.

Dans son aspect le plus général, la bouteille de l'invention, constituée d'un tube principal qui s'étend selon un axe longitudinal et qui est prolongé à une extrémité par un conduit de sortie décalé latéralement, est caractérisée en ce que ladite extrémité du tube principal a été forgée pour présenter une forme hémisphérique puis percée pour présenter un orifice et en ce que le conduit de sortie est constitué par un tube secondaire forgé qui a été introduit dans ledit orifice et soudé au tube principal. In its most general aspect, the bottle of the invention, consisting of a main tube which extends along a longitudinal axis and which is extended at one end by an outlet duct offset laterally, is characterized in that said end of the main tube has been forged to have a hemispherical shape then pierced to present an orifice and in that the outlet duct is constituted by a secondary forged tube which has been introduced into said orifice and welded to the main tube.

Le forgeage permet de conserver le fibrage. Forging keeps the fiber.

Dans une réalisation particulière, le tube secondaire est droit et s'étend selon un axe parallèle à l'axe du tube principal mais décalé.  In a particular embodiment, the secondary tube is straight and extends along an axis parallel to the axis of the main tube but offset.

De préférence toutefois, le tube secondaire est un tube coudé, ce qui permet notamment de situer l'orifice au sommet de l'extrémité hémisphérique du tube principal. Preferably, however, the secondary tube is a bent tube, which in particular makes it possible to locate the orifice at the top of the hemispherical end of the main tube.

On décrira ci-après deux telles réalisations dans lesquelles l'orifice du tube principal est situé au sommet de l'extrémité hémisphérique, et soit axé sur l'axe du tube soit oblique, en référence aux figures du dessin joint sur lesquelles
- la figure l est une coupe longitudinale d'une première réalisation, et
- la figure 2 est une coupe longitudinale d'une deuxième réalisation.Two such embodiments will be described below in which the orifice of the main tube is located at the top of the hemispherical end, and is either centered on the axis of the tube or oblique, with reference to the figures of the attached drawing on which
FIG. 1 is a longitudinal section of a first embodiment, and
- Figure 2 is a longitudinal section of a second embodiment.

Sur ces figures, la référence l désigne le tube principal de forme générale cylindrique qui détermine un réservoir 2 pour un fluide sous pression et qui présente une extrémité la forgée pour présenter une forme hémisphérique puis percée pour présenter un orifice 3 centré sur l'axe 4 du tube, et la référence 5 désigne dans son ensemble le tube secondaire. A son autre extrémité (non représentée), le tube principal est raccordé de façon en soi connue à un détendeur. In these figures, the reference l designates the main tube of generally cylindrical shape which determines a reservoir 2 for a pressurized fluid and which has one end forged to present a hemispherical shape then pierced to present an orifice 3 centered on the axis 4 of the tube, and the reference 5 designates as a whole the secondary tube. At its other end (not shown), the main tube is connected in a manner known per se to a regulator.

Le tube principal et le tube secondaire sont en acier, la nuance de l'acier et l'épaisseur de paroi du tube étant choisies, de façon en soi connue, pour résister avec sécurité à la pression interne, par exemple pour résister à une pression interne de 150 à 300 bars. The main tube and the secondary tube are made of steel, the grade of steel and the wall thickness of the tube being chosen, in a manner known per se, to safely resist the internal pressure, for example to resist a pressure internal from 150 to 300 bars.

Dans la réalisation de la figure l, l'orifice 3 est axé sur l'axe du tube principal et le tube secondaire présente un tronçon d'entrée 5a rapporté dans cet orifice et également coaxial audit tube principal, un tronçon de sortie 5b qui s'étend selon un axe 6 parallèle mais décalé par rapport à l'axe 4 du tube principal et un tronçon intermédiaire 5c qui raccorde lesdits tronçons d'entrée et de sortie. In the embodiment of FIG. 1, the orifice 3 is centered on the axis of the main tube and the secondary tube has an inlet section 5a attached to this orifice and also coaxial with said main tube, an outlet section 5b which s 'extends along an axis 6 parallel but offset from the axis 4 of the main tube and an intermediate section 5c which connects said inlet and outlet sections.

Le tronçon intermédiaire est rectiligne, comme dans le cas représenté (ou courbe). The intermediate section is straight, as in the illustrated case (or curve).

Dans la réalisation de la figure 2, l'orifice 3' du tube principal est oblique par rapport à l'axe du tube principal et le tube secondaire 5' présente un tronçon d'entrée 5'a rapporté dans ledit orifice 3' et oblique par rapport à l'axe du tube principal et qui se prolonge par un tronçon de sortie 5'b qui s'étend selon un axe 6' parallèle mais décalé par rapport à l'axe du tube principal.  In the embodiment of FIG. 2, the orifice 3 'of the main tube is oblique with respect to the axis of the main tube and the secondary tube 5' has an inlet section 5 'added in said orifice 3' and oblique relative to the axis of the main tube and which is extended by an outlet section 5′b which extends along an axis 6 ′ parallel but offset from the axis of the main tube.

Dans ces deux réalisations, le tube secondaire a été obtenu par déformation d'une pièce droite après réalisation d'un conduit interne 7,7' au moins dans la partie de tube qui sera séparée par un coude d'une extrémité du tube. Le reste du conduit peut être formé avant ou après déformation. In these two embodiments, the secondary tube was obtained by deformation of a straight part after production of an internal conduit 7,7 'at least in the tube part which will be separated by an elbow from one end of the tube. The rest of the duct can be formed before or after deformation.

De préférence, le tube secondaire est usiné après assemblage au tube principal pour que le conduit de sortie présente une zone 8,8' de section droite rétrécie. Preferably, the secondary tube is machined after assembly with the main tube so that the outlet conduit has an area 8.8 'of narrowed cross section.

L'invention n'est pas limitée aux réalisations qui n'ont été décrites qu'à titre préférentiel. En particulier, l'orifice 3(3') de l'extrémité du tube principal est décalé par rapport au sommet de cette extrémité dans des variantes de réalisation, tout en étant soit axé sur un axe parallèle à celui du tube principal soit oblique.  The invention is not limited to the embodiments which have only been described on a preferential basis. In particular, the orifice 3 (3 ′) of the end of the main tube is offset from the top of this end in alternative embodiments, while being either centered on an axis parallel to that of the main tube or oblique.

Claims (10)

REVENDICATIONS 1. Bouteille en acier pour fluide sous pression, constituée d'un tube principal (1) qui s'étend selon un axe longitudinal (4) et qui est prolongé à une extrémité par un conduit de sortie décalé latéralement, caractérisée en ce que ladite extrémité (la) du tube principal a été forgée pour présenter une forme hémisphérique puis percée pour présenter un orifice (3;3') et en ce que le conduit de sortie est constitué par un tube secondaire forgé (5,5') qui a été introduit dans ledit orifice et soudé au tube principal.1. Steel bottle for pressurized fluid, consisting of a main tube (1) which extends along a longitudinal axis (4) and which is extended at one end by an outlet duct offset laterally, characterized in that said end (la) of the main tube has been forged to present a hemispherical shape then drilled to present an orifice (3; 3 ') and in that the outlet duct is constituted by a secondary forged tube (5.5') which has was introduced into said orifice and welded to the main tube. 2. Bouteille selon la revendication 1, caractérisée en ce que le tube secondaire est droit et s'étend selon un axe parallèle à l'axe du tube principal mais décalé.2. Bottle according to claim 1, characterized in that the secondary tube is straight and extends along an axis parallel to the axis of the main tube but offset. 3. Bouteille selon la revendication 1, caractérisée en ce que le tube secondaire (5 ; 5') est un tube coudé.3. Bottle according to claim 1, characterized in that the secondary tube (5; 5 ') is a bent tube. 4. Bouteille selon la revendication 3, caractérisée en ce que ledit orifice (3;3') est situé au sommet de l'extrémité hémisphérique du tube principal (1).4. Bottle according to claim 3, characterized in that said orifice (3; 3 ') is located at the top of the hemispherical end of the main tube (1). 5. Bouteille selon la revendication 4, caractérisée en ce que ledit orifice (3) est axé sur l'axe (4) du tube principal et en ce que le tube secondaire (5) présente un tronçon d'entrée (5a) rapporté dans cet orifice et coaxial audit tube principal, un tronçon de sortie (5b) qui s'étend selon un axe (6) parallèle mais décalé par rapport à l'axe (4) du tube principal et un tronçon intermédiaire (5c) qui raccorde lesdits tronçons d'entrée et de sortie.5. Bottle according to claim 4, characterized in that said orifice (3) is centered on the axis (4) of the main tube and in that the secondary tube (5) has an inlet section (5a) reported in this orifice and coaxial with said main tube, an outlet section (5b) which extends along an axis (6) parallel but offset with respect to the axis (4) of the main tube and an intermediate section (5c) which connects said said entry and exit sections. 6. Bouteille selon la revendication 5, caractérisée en ce que ledit tronçon intermédiaire (5c) est rectiligne.6. Bottle according to claim 5, characterized in that said intermediate section (5c) is rectilinear. 7. Bouteille selon la revendication 3 ou 4, caractérisée en ce que ledit orifice (3') est oblique par rapport à l'axe du tube principal et en ce que le tube secondaire (5') présente un tronçon d'entrée (5'a) rapporté dans ledit orifice et oblique par rapport à l'axe du tube principal et qui se prolonge par un tronçon de sortie (5'b) qui s'étend selon un axe (6') parallèle mais décalé par rapport à l'axe (4) du tube principal. 7. Bottle according to claim 3 or 4, characterized in that said orifice (3 ') is oblique with respect to the axis of the main tube and in that the secondary tube (5') has an inlet section (5 'a) attached in said orifice and oblique to the axis of the main tube and which is extended by an outlet section (5'b) which extends along an axis (6') parallel but offset from l 'axis (4) of the main tube. 8. Bouteille selon l'une des revendications 3 à 7, caractérisée en ce que ledit tube secondaire (5; 5') a été obtenu par déformation d'une pièce droite après réalisation d'un conduit interne (7,7') au moins dans la partie de tube qui doit être séparée par un coude d'une extrémité du tube.8. Bottle according to one of claims 3 to 7, characterized in that said secondary tube (5; 5 ') was obtained by deformation of a straight piece after production of an internal conduit (7,7') at less in the part of the tube which must be separated by an elbow from one end of the tube. 9. Bouteille selon l'une des revendications 3 à 7, caractérisée en ce que le tube secondaire (5 ; 5') est usiné après assemblage au tube principal (l) pour que leconduit de sortie présente une zone (8,8') de section droite rétrécie.9. Bottle according to one of claims 3 to 7, characterized in that the secondary tube (5; 5 ') is machined after assembly with the main tube (l) so that the outlet duct has a zone (8.8') of narrowed cross section. 10. Les fûts de boisson contenant une bouteille selon l'une des revendications 1 à 9 incorporée au fût. 10. Beverage barrels containing a bottle according to one of claims 1 to 9 incorporated into the barrel.
FR9111806A 1991-09-25 1991-09-25 Steel bottle (cylinder) for a pressurised fluid, particularly to be built in to a drinks barrel where the drink is intended to be delivered under pressure Pending FR2681666A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9111806A FR2681666A1 (en) 1991-09-25 1991-09-25 Steel bottle (cylinder) for a pressurised fluid, particularly to be built in to a drinks barrel where the drink is intended to be delivered under pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9111806A FR2681666A1 (en) 1991-09-25 1991-09-25 Steel bottle (cylinder) for a pressurised fluid, particularly to be built in to a drinks barrel where the drink is intended to be delivered under pressure

Publications (1)

Publication Number Publication Date
FR2681666A1 true FR2681666A1 (en) 1993-03-26

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Application Number Title Priority Date Filing Date
FR9111806A Pending FR2681666A1 (en) 1991-09-25 1991-09-25 Steel bottle (cylinder) for a pressurised fluid, particularly to be built in to a drinks barrel where the drink is intended to be delivered under pressure

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Country Link
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB422590A (en) * 1933-12-05 1935-01-15 Kidde & Co Walter Improved method of making high pressure metal containers for gas under pressure
FR1224793A (en) * 1958-07-11 1960-06-27 Otto Bernz Company Advanced pressure vessel
FR2106548A1 (en) * 1970-09-16 1972-05-05 Mannesmann Roehren Werke Ag
US3771278A (en) * 1972-08-02 1973-11-13 Mc Donnell Douglas Corp Fitting and method for filling or evacuating a container

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB422590A (en) * 1933-12-05 1935-01-15 Kidde & Co Walter Improved method of making high pressure metal containers for gas under pressure
FR1224793A (en) * 1958-07-11 1960-06-27 Otto Bernz Company Advanced pressure vessel
FR2106548A1 (en) * 1970-09-16 1972-05-05 Mannesmann Roehren Werke Ag
US3771278A (en) * 1972-08-02 1973-11-13 Mc Donnell Douglas Corp Fitting and method for filling or evacuating a container

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