US2541065A - High-pressure container - Google Patents

High-pressure container Download PDF

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Publication number
US2541065A
US2541065A US570557D US57055744D US2541065A US 2541065 A US2541065 A US 2541065A US 570557 D US570557 D US 570557D US 57055744 D US57055744 D US 57055744D US 2541065 A US2541065 A US 2541065A
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container
end wall
thickness
wall
formations
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US570557D
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Jabour Sam
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Specialties Development Corp
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Specialties Development Corp
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    • 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
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/0119—Shape cylindrical with flat end-piece
    • 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
    • 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
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
    • 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
    • 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
    • F17C2205/018—Supporting feet
    • 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
    • F17C2205/0323—Valves
    • 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
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • 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
    • F17C2221/01—Pure fluids
    • F17C2221/013—Carbone dioxide
    • 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
    • F17C2221/014—Nitrogen
    • 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
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • 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
    • F17C2260/011—Improving strength
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/012—Reducing weight

Definitions

  • the present invention relates to containers, and, more particularly relates to metallic containers for high pressure fluid media such as carbon dioxide or oxygen and the like.
  • An object of the invention is to provide improved containers for high pressure fluid media.
  • Another object is to provide such containers having maximum strength and minimum wall thickness and minimum weight.
  • Another object is to provide a container of the foregoing character having a cylindrical side wall and a closed end wall of substantially uniform minimum thickness throughout, wherein the closed end wall is provided with formations shaped to serve as base portions to facilitate 'standing the container in upright position.
  • Another object is to provide a cold drawn container .of the foregoing character wherein the base formations are pressed from a closed end wall of generally ellipsoidal contour and maintain the strength of the closed end wall without the provision of portions of increased thickness.
  • Another object is to provide a container of the foregoin character which is adapted to pass a prescribed hydrostatic pressure test without deformation of its walls.
  • Figure 1 is a side elevational view of a container illustrating the present invention.
  • Figure 2 is an enlarged fragmentary longitudinal sectional view of the lower or closed end of the container.
  • Figure 3 is a sectional view taken along the line 3-3 on Figure 2.
  • Figure 4 is an enlarged fragmentary perspective view of the lower or closed end of the container.
  • Figures 5 and 5a are plan and sectional views of a blank from which the container is made.
  • Figures 6 to 9 are longitudinal sectional views illustrating some of the steps utilized in making the container.
  • a container l0 generally known as a cylinder, for storing high pressure fluid media such as liquefied or gaseous carbon dioxide, oxygen, air, nitrogen or other gases.
  • high pressure fluid media such as liquefied or gaseous carbon dioxide, oxygen, air, nitrogen or other gases.
  • Such containers usually are required to be subjected to a hydrostatic test pressure of about 3500 pounds per square inch without deformation thereof.
  • the container Ill comprises a cylindrical side wall II, a hemispherical upper end wall. l2 provided with a. restricted outlet or opening in the form of a short neck It for receiving a suitable valve or other discharge control device (not shown), and a closed lower end wall IS in accordance with the present invention.
  • the end wall I5 is illustrated in Figures 2 and 3, and, as shown, has a generally spherical contour or curvature as depicted by the portions l6 radiating from the central circular portion I! also of generally ellipsoidal shape, whereby the end wall l5 has maximum strength for a minimum thickness of material.
  • the end wall has formations 20 extending outwardly thereof.
  • These formations may be in the form of a plurality of radially extending ribs or channel portions of U-shaped cross-section ( Figure 3) and of increasing depth as they approach and join the peripheral portion of the cylindrical side wall at 2
  • six of'such ribs are provided and these ribs cooperate to prevent upsetting of the container in the same manner as a fiat closed end wall.
  • circular blank B is shown which is cut out of suitable metal plate or sheet stock of a predetermined uniform thickness for a container of a given ultimate wall thickness and capacity.
  • This blank B is cold pressed into a gated by a plurality of successive cold redrawing operations, intermediate shapes being illustrated by Figures 7 and 8, until an open ended container having a cylindrical side wall II and a closed end wall I of predetermined dimensions is provided ( Figure 9).
  • Figure 9 the thickness of the walls is maintained uniform substantially throughout.
  • the neck ll constitutes an outlet for the container whereby the container shown in Figure 1 is provided.
  • the present invention provides an improved lightweight high pressure container.
  • the container is constructed of a minimum amount of material to safely withstand a predetermined internal pressure, and the closed end wall thereof isconstructed to provide for maximum strength while facilitating standing the container in upright position.
  • a container constructed for confining a high pressure fluid medium comprising a one-piece substantially, rigid, seamlessly formed metallic cylinder having a cylindrical wall of substantially uniform thickness throughout adapted to safely confine the pressure medium at high pressures and having a generally ellipsoidal outwardly formed closed end wall provided with radial formations extending axially outwardly out of said end wall a relatively short distance beyond the center portion of said end wall, said end wall having a thickness at least equal to the thickness of said cylindrical wall whereby the strength thereof, due to its shape and thickness, is at least equal to said cylindrical wall in resisting internal pressure and whereby a container of maximum strength is provided having the lightest possible weight for a given diameter and volume and material and having a minimum overall length for a given volume and diameter, said formations serving as base portions for standing the container in upright position.
  • a container constructed for confining fluid medium under pressure comprising a metallic cylinder having a cylindrical wall adapted to safely confine the pressure medium within the rangeof positive pressures up to and including 3500 pounds per square inch and having a generally ellipsoidal outwardly formed closed end wall provided with radial formations extending axially outwardly out of said end wall a relatively short distance .beyond the center portion of said end wall, said end wall having a thickness f at least substantially equal to the thickness of said cylindrical wall whereby the strength there- 'of, due to its shape and thickness, is at least equal to said cylindrical wall in resisting internal pressure and whereby a container of maximum strength is provided having the lightest possible weight for a given diameter and volume and material and having a minimum overall length for a given volume and diameter, said formations serving as base portions for standing the container in upright position.
  • a metallic cylindrical container capable of confining fluid medium under pressure and provided with an outlet opening, said container comprising: a cylindrical wall of a substantially uniform thickness throughout and adapted to safely confine the pressure medium; a generally ellipsoidal outwardlyformed end wall at the bottom of and integral with said cylindrical wall; and an end wall at the top.
  • said bottom end wall being provided with a central portion and with interiorly hollow, radially and axially outwardly extending formations surrounding the central portion, said formations having their outermost axially extending portions positioned outwardly beyond the exterior of the central portion a relatively short distance to serve as base portions for standing the container in upright position and said formations being substantially equally spaced circumferentially about said bottom end wall with the base portions of adjacent formations considerably less than ninety degrees apart to provide stable support for such container adapted to resist toppling upon application of a force applied in any direction laterally of the longitudinal axis of the container; said bottom end wall having a thickness approximately equal to the thickness of said cylindrical wall whereby the strength thereof, due to its shape and thickness, is at least as strong as said cylindrical wall in resisting internal pressure and whereby a container of maximum strength is provided having the lightest possible weight for a given diameter, a given volume, and material of which it is constructed, and having a minimum overall length for a given volume and diameter.

Description

Feb. 13, 1951 s. JABOUR HIGH-PRESSURE CONTAINER Filed Dec. 30, 1944 Fig l INVILNYOR 5AM JABOUR ATTORN EY Patented Feb. 13, 1951 UNITED STATES PATENT OFFICE Application December 30, 1944, Serial No. 57055754 3 Claims. 1
The present invention relates to containers, and, more particularly relates to metallic containers for high pressure fluid media such as carbon dioxide or oxygen and the like.
An object of the invention is to provide improved containers for high pressure fluid media.
Another object is to provide such containers having maximum strength and minimum wall thickness and minimum weight.
Another object is to provide a container of the foregoing character having a cylindrical side wall and a closed end wall of substantially uniform minimum thickness throughout, wherein the closed end wall is provided with formations shaped to serve as base portions to facilitate 'standing the container in upright position.
Another object is to provide a cold drawn container .of the foregoing character wherein the base formations are pressed from a closed end wall of generally ellipsoidal contour and maintain the strength of the closed end wall without the provision of portions of increased thickness.
Another object is to provide a container of the foregoin character which is adapted to pass a prescribed hydrostatic pressure test without deformation of its walls.
Other and further objects of the invention will be obvious upon an understanding of the 11- lustrative embodiment about to be described, or will be indicated in the appended claims, and various advantages not referred to herein will occur to one skilled in the art upon employment of the invention in practice.
A preferred embodiment of the invention has been chosen for purposes of illustration and description and is shown in the accompanying drawing, forming a part of the specification, wherein:
Figure 1 is a side elevational view of a container illustrating the present invention.
Figure 2 is an enlarged fragmentary longitudinal sectional view of the lower or closed end of the container.
Figure 3 is a sectional view taken along the line 3-3 on Figure 2.
Figure 4 is an enlarged fragmentary perspective view of the lower or closed end of the container.
Figures 5 and 5a, respectively, are plan and sectional views of a blank from which the container is made.
Figures 6 to 9 are longitudinal sectional views illustrating some of the steps utilized in making the container.
Referring to the drawing, and more particularly to Figure 1, there is shown a container l0, generally known as a cylinder, for storing high pressure fluid media such as liquefied or gaseous carbon dioxide, oxygen, air, nitrogen or other gases. Such containers usually are required to be subjected to a hydrostatic test pressure of about 3500 pounds per square inch without deformation thereof.
The container Ill comprises a cylindrical side wall II, a hemispherical upper end wall. l2 provided with a. restricted outlet or opening in the form of a short neck It for receiving a suitable valve or other discharge control device (not shown), and a closed lower end wall IS in accordance with the present invention.
The end wall I5 is illustrated in Figures 2 and 3, and, as shown, has a generally spherical contour or curvature as depicted by the portions l6 radiating from the central circular portion I! also of generally ellipsoidal shape, whereby the end wall l5 has maximum strength for a minimum thickness of material.
In order to support the container on a substantially horizontal surface, the end wall has formations 20 extending outwardly thereof. These formations, as shown, may be in the form of a plurality of radially extending ribs or channel portions of U-shaped cross-section (Figure 3) and of increasing depth as they approach and join the peripheral portion of the cylindrical side wall at 2|. In the embodiment illustrated, six of'such ribs are provided and these ribs cooperate to prevent upsetting of the container in the same manner as a fiat closed end wall.
An important advantage of forming the closed end wall IS in the manner just described is that the ribs do not impair the strength of the closed end wall and thereby provide an end wall having at least the same strength of the hemispherical end wall 12. This is accomplished without increasing the thickness of portions of the end wall whereby increase in weight or material is avoided. In practice. it has been found that con tainers in accordance with the invention pass the hydrostatic pressure test to which containers of similar shape, capacity and thickness and provided with hemispherical closed end wall are subjected. The side wall II, the upper end wall l2 and the lower end wall l5 have a uniform thickness substantially throughout, whereby the container is adapted to be formed by an improved, simplified and rapid method.
The containers in accordance with the inven-- tion are adapted to be made as will now be de scribed in connection with Figures 5 and 5a to 9 of the drawing.
In Figure 5a, circular blank B is shown which is cut out of suitable metal plate or sheet stock of a predetermined uniform thickness for a container of a given ultimate wall thickness and capacity. This blank B is cold pressed into a gated by a plurality of successive cold redrawing operations, intermediate shapes being illustrated by Figures 7 and 8, until an open ended container having a cylindrical side wall II and a closed end wall I of predetermined dimensions is provided (Figure 9). During the redrawing operations the thickness of the walls is maintained uniform substantially throughout.
The closed end wall of the partly formed container shown in Figure 9 is then cold pressed by means of a cooperating die and plunger to provide the formations l8, l1 and 20 illustrated more particularly in Figures 2, 3 and 4. This is accomplished without altering the thickness of the end wall l5.
Thereafter, the upper portion of the side wall adjacent the opening is heated and is necked inwardly to form the upper end wall ii. The neck ll constitutes an outlet for the container whereby the container shown in Figure 1 is provided.
The foregoing pressing and cold drawing steps can beefiected in a simple and rapid manner whereby the foregoing described method readily lends itself to mass production.
From the foregoing description, it will be seen that the present invention provides an improved lightweight high pressure container. The container is constructed of a minimum amount of material to safely withstand a predetermined internal pressure, and the closed end wall thereof isconstructed to provide for maximum strength while facilitating standing the container in upright position.
As various changes may be made in the form, construction and arrangement of the parts herein, without departing from the spirit and scope of the invention and without sacrificing any of its advantages, it is to be understood that all matter herein is to be interpreted as illustrative and not in any limiting sense.
It is also to be understood that the following claims are intended to cover all the generic and specific features of the invention herein described, and all statements of the scope of the invention which, as a matter of language, might be said to fall therebetween.
I claim:
1. A container constructed for confining a high pressure fluid medium comprising a one-piece substantially, rigid, seamlessly formed metallic cylinder having a cylindrical wall of substantially uniform thickness throughout adapted to safely confine the pressure medium at high pressures and having a generally ellipsoidal outwardly formed closed end wall provided with radial formations extending axially outwardly out of said end wall a relatively short distance beyond the center portion of said end wall, said end wall having a thickness at least equal to the thickness of said cylindrical wall whereby the strength thereof, due to its shape and thickness, is at least equal to said cylindrical wall in resisting internal pressure and whereby a container of maximum strength is provided having the lightest possible weight for a given diameter and volume and material and having a minimum overall length for a given volume and diameter, said formations serving as base portions for standing the container in upright position.
2. A container constructed for confining fluid medium under pressure comprising a metallic cylinder having a cylindrical wall adapted to safely confine the pressure medium within the rangeof positive pressures up to and including 3500 pounds per square inch and having a generally ellipsoidal outwardly formed closed end wall provided with radial formations extending axially outwardly out of said end wall a relatively short distance .beyond the center portion of said end wall, said end wall having a thickness f at least substantially equal to the thickness of said cylindrical wall whereby the strength there- 'of, due to its shape and thickness, is at least equal to said cylindrical wall in resisting internal pressure and whereby a container of maximum strength is provided having the lightest possible weight for a given diameter and volume and material and having a minimum overall length for a given volume and diameter, said formations serving as base portions for standing the container in upright position.
' 3. A metallic cylindrical container capable of confining fluid medium under pressure and provided with an outlet opening, said container comprising: a cylindrical wall of a substantially uniform thickness throughout and adapted to safely confine the pressure medium; a generally ellipsoidal outwardlyformed end wall at the bottom of and integral with said cylindrical wall; and an end wall at the top. of said cylindrical wall; said bottom end wall being provided with a central portion and with interiorly hollow, radially and axially outwardly extending formations surrounding the central portion, said formations having their outermost axially extending portions positioned outwardly beyond the exterior of the central portion a relatively short distance to serve as base portions for standing the container in upright position and said formations being substantially equally spaced circumferentially about said bottom end wall with the base portions of adjacent formations considerably less than ninety degrees apart to provide stable support for such container adapted to resist toppling upon application of a force applied in any direction laterally of the longitudinal axis of the container; said bottom end wall having a thickness approximately equal to the thickness of said cylindrical wall whereby the strength thereof, due to its shape and thickness, is at least as strong as said cylindrical wall in resisting internal pressure and whereby a container of maximum strength is provided having the lightest possible weight for a given diameter, a given volume, and material of which it is constructed, and having a minimum overall length for a given volume and diameter.
SAM JABOUR.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 383,023 Stevenson May 15, 1888 555,300 Browne Feb. 25, 1896 651,884 Platz June 19, 1900 1,125,229 Webster Jan. 19, 1915 1,639,786 Steinmetz Aug. 23, 1927 1,798,535 Hill Mar. 31, 1931 2,280,501 Stephenson Apr. 21, 1942 2,331,504 Raymond et al Oct. 12, 1943 FOREIGN PATENTS Number Country Date 21,075 Great Britain 1891
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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889069A (en) * 1954-01-26 1959-06-02 Fuchs George Hugo Von Pressure vessels
US3010602A (en) * 1957-12-20 1961-11-28 Structural Fibers Impregnated glass fiber tanks
US3029507A (en) * 1957-11-20 1962-04-17 Coors Porcelain Co One piece thin walled metal container and method of manufacturing same
US3598270A (en) * 1969-04-14 1971-08-10 Continental Can Co Bottom end structure for plastic containers
US3727783A (en) * 1971-06-15 1973-04-17 Du Pont Noneverting bottom for thermoplastic bottles
US3746210A (en) * 1971-02-03 1973-07-17 Park Mfg Co Integrally formed glide-like supports for a tool box and the like
US3759410A (en) * 1971-12-15 1973-09-18 Owens Illinois Inc Pressure resistant plastic container
US3889835A (en) * 1974-05-10 1975-06-17 Bernzomatic Corp One-piece pressure container
US4175670A (en) * 1978-03-22 1979-11-27 Reynolds Metals Company Container construction
US4246046A (en) * 1979-03-09 1981-01-20 Michael Lameyer Stainless steel container for fluid and method
FR2505782A1 (en) * 1981-05-15 1982-11-19 Owens Illinois Inc Free-standing plastics bottle - has elliptical bottom wall with convex legs to provide flat base
US4402909A (en) * 1981-10-28 1983-09-06 Chemplex Industries, Inc. Vials for comminuting and blending samples for spectrochemical analysis
US5201893A (en) * 1991-07-25 1993-04-13 Vollrath Group, Inc. Irrigation container and syringe
US5598729A (en) * 1994-10-26 1997-02-04 Tandem Systems, Inc. System and method for constructing wall of a tube
US6212926B1 (en) 1999-04-21 2001-04-10 Tandem Systems, Inc. Method for spin forming a tube
US20040149781A1 (en) * 2003-01-31 2004-08-05 Kunesh Edward J. Pressurized plastic bottle for dispensing an aerosol
US20080110903A1 (en) * 2004-12-03 2008-05-15 Schur Warren M Water shedding designs for receptacle bottoms
USD746942S1 (en) * 2014-10-21 2016-01-05 Advanced Lightweight Engineering B.V. Low weight pressure vessel
USD759785S1 (en) 2014-09-30 2016-06-21 Hexagon Ragasco As Gas container
USD760589S1 (en) 2015-04-03 2016-07-05 Tsi Manufacturing, Llc Bottle
US20170267408A1 (en) * 2015-12-21 2017-09-21 Bill Martinez Dry Cup
USD814860S1 (en) 2016-08-02 2018-04-10 O2Cool, Llc Bottle
USD846073S1 (en) * 2017-02-20 2019-04-16 Hung Yam Ip Cylindrical tank
USD867519S1 (en) * 2017-10-02 2019-11-19 Ini Power Systems, Inc. Fuel tank
USD891869S1 (en) * 2018-12-19 2020-08-04 Can't Live Without It, LLC Beverage glass
USD891870S1 (en) * 2018-12-19 2020-08-04 Can't Live Without It, LLC Beverage glass
EP3139080B1 (en) * 2015-09-04 2021-06-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gas cylinder and bundle of gas cylinders with angular indexing
US11333301B2 (en) 2017-05-15 2022-05-17 Advanced Lightweight Engineering B.V. Pressure vessel for the storage of pressurized fluids and vehicle comprising such a pressure vessel

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US2280501A (en) * 1938-08-25 1942-04-21 British Oxygen Co Ltd Container for fluids under pressure
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US651884A (en) * 1900-02-17 1900-06-19 Hermann Platz Receptacle for gases, &c., and process of manufacturing same.
US1125229A (en) * 1913-02-06 1915-01-19 Bridgeport Brass Co Filler-tube cap.
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Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889069A (en) * 1954-01-26 1959-06-02 Fuchs George Hugo Von Pressure vessels
US3029507A (en) * 1957-11-20 1962-04-17 Coors Porcelain Co One piece thin walled metal container and method of manufacturing same
US3010602A (en) * 1957-12-20 1961-11-28 Structural Fibers Impregnated glass fiber tanks
US3598270A (en) * 1969-04-14 1971-08-10 Continental Can Co Bottom end structure for plastic containers
US3746210A (en) * 1971-02-03 1973-07-17 Park Mfg Co Integrally formed glide-like supports for a tool box and the like
US3727783A (en) * 1971-06-15 1973-04-17 Du Pont Noneverting bottom for thermoplastic bottles
US3759410A (en) * 1971-12-15 1973-09-18 Owens Illinois Inc Pressure resistant plastic container
US3889835A (en) * 1974-05-10 1975-06-17 Bernzomatic Corp One-piece pressure container
US4175670A (en) * 1978-03-22 1979-11-27 Reynolds Metals Company Container construction
US4246046A (en) * 1979-03-09 1981-01-20 Michael Lameyer Stainless steel container for fluid and method
FR2505782A1 (en) * 1981-05-15 1982-11-19 Owens Illinois Inc Free-standing plastics bottle - has elliptical bottom wall with convex legs to provide flat base
US4402909A (en) * 1981-10-28 1983-09-06 Chemplex Industries, Inc. Vials for comminuting and blending samples for spectrochemical analysis
US5201893A (en) * 1991-07-25 1993-04-13 Vollrath Group, Inc. Irrigation container and syringe
US5845527A (en) * 1994-10-26 1998-12-08 Tandem Systems, Inc. System and method for constricting wall of a tube
US5598729A (en) * 1994-10-26 1997-02-04 Tandem Systems, Inc. System and method for constructing wall of a tube
US6212926B1 (en) 1999-04-21 2001-04-10 Tandem Systems, Inc. Method for spin forming a tube
US20040149781A1 (en) * 2003-01-31 2004-08-05 Kunesh Edward J. Pressurized plastic bottle for dispensing an aerosol
US7028866B2 (en) 2003-01-31 2006-04-18 S.C. Johnson & Son, Inc. Pressurized plastic bottle for dispensing an aerosol
US20080110903A1 (en) * 2004-12-03 2008-05-15 Schur Warren M Water shedding designs for receptacle bottoms
USD759785S1 (en) 2014-09-30 2016-06-21 Hexagon Ragasco As Gas container
USD746942S1 (en) * 2014-10-21 2016-01-05 Advanced Lightweight Engineering B.V. Low weight pressure vessel
USD760589S1 (en) 2015-04-03 2016-07-05 Tsi Manufacturing, Llc Bottle
EP3139080B1 (en) * 2015-09-04 2021-06-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gas cylinder and bundle of gas cylinders with angular indexing
US20170267408A1 (en) * 2015-12-21 2017-09-21 Bill Martinez Dry Cup
USD814860S1 (en) 2016-08-02 2018-04-10 O2Cool, Llc Bottle
USD846073S1 (en) * 2017-02-20 2019-04-16 Hung Yam Ip Cylindrical tank
US11333301B2 (en) 2017-05-15 2022-05-17 Advanced Lightweight Engineering B.V. Pressure vessel for the storage of pressurized fluids and vehicle comprising such a pressure vessel
USD867519S1 (en) * 2017-10-02 2019-11-19 Ini Power Systems, Inc. Fuel tank
USD891869S1 (en) * 2018-12-19 2020-08-04 Can't Live Without It, LLC Beverage glass
USD891870S1 (en) * 2018-12-19 2020-08-04 Can't Live Without It, LLC Beverage glass

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