US2613462A - Pressure vessel - Google Patents

Pressure vessel Download PDF

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US2613462A
US2613462A US19254A US1925448A US2613462A US 2613462 A US2613462 A US 2613462A US 19254 A US19254 A US 19254A US 1925448 A US1925448 A US 1925448A US 2613462 A US2613462 A US 2613462A
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crown
neck
head
collar
cylinder
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US19254A
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Carl E Johnson
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SCAIFE Co
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SCAIFE Co
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/002Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • F17C13/003Means for coding or identifying them and/or their contents
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/05Vessel or content identifications, e.g. labels

Definitions

  • This invention relates to shipping containers for compressed gases, and more particularly -to means for identifying such containers.
  • each container ⁇ usually termed cylinder
  • certain information such as the name of the manufacturer, the weight of; the cylinder and its serial number.
  • containers When containers are furnished on any order they must be numbered consecutively.
  • stamp therequired information into the metal of the head of the cylinder around its neck. This ha-s to be done before the cylinder is completed and tested.
  • the neck at the center of the convex head of a compressed gas cylinder is encircled by an identificationmember in the formof a wide flange or crown, the outer edge of which engages the head.
  • the upper surface of the crown has stamped deeply therein identifying numbers and figures pertaini 2 it has passed its tests.
  • Fig. '1- is a side view of my pressure vessel; ⁇ Fig. 2is a plan view thereof; Fig.
  • FIG. 3 is anenlarged central verticalsection through the upper portion of this vessel with the valve and valvecap removed;
  • Fig. 4 is a similar view of the same parts just before ythe collar is fastened to the neck; ⁇ and Figs. 5, 6 and? are frag- -mentary views, similar to Fig. 3, of three modifications of this invention.'
  • the compressed gas cylinder ha-s the usual convex head l provided with a central opening 2 from which a'neck 3 extend-s upward.
  • the lower end offthe neck V may rest on the head around the opening andbe welded to the head, or it may be integral with the head.
  • the neck is provided f with a threaded passage 4 for receiving the usual shut-off valve (not shown).
  • the upper end of the neck is provided with an encircling recess 6 having a horizontal bottom and an upwardly tapered side.
  • a metal collar 'l which has a horizontal top wall, the inner edge of which extends into the neck recess and substanti'all'y ⁇ engagesits lower surface.
  • the collar ing to the cylinder'carrying it.
  • the crown is held in place by a threaded collar ⁇ which encircles the neck and is permanently attached to the upper end of it.
  • the crown and collar maybe made in one piece or vas separate members. but they are not applied to the' cylinder until after may be secured to the neck by a continuous braze or weld B which lls the downwardly tapered annular groove formed between the side of the recess andthe collar. If desired, ⁇ however, the co1- lar can be joined to the neck by a mechanical connection.
  • the top Wall of the collar extendends away from the neck and is integrally connected to the upper end of a side Wall which is spaced ⁇ from the neck.
  • the outer surface of this side wall is provided with screw threads 9 onto which la 'valve protection cap lIl ,can be screwed.
  • the lowrend of the side wall is rounded transversely and is seated in a circular groove I2 formed in a wide metal dished crown I3 that encircles the neck and extends outward over the head.
  • This groove is formed by bending an annular portion of the crown downward near its inner edge, thereby forming below the groove an annular rib--I4 which-preferably. although not necessarily, engage'sxthe top of the head.
  • the outer edge of the crown also engages the head.
  • the inner edge of the crown can be extended up into the collar as far as desired. Stamped in the upper surface of the crown around the collar' is the data required by the Interstate.
  • the crown will protect the top ofthe head: against denting bycareless handlingot the.- container or by bumping withk awrenchv while removing valve cap I I ⁇ or the valve.
  • While ⁇ the collar is held in this position. it is welded to the neck by circular weld 8, oris otherwise permanently attached to theneck, whereby the crown is held firmly and permanently inplace againstthe head.
  • this invention makes itpossible to test the cylinders before-anyfpermanent identifying data is appliedy tothem. Consequently, if any cylinder fails it is unnecessary to go. back and make a new cylinder to take: its ⁇ place and to carry. the same serial number as the cylinder that failed.
  • the unsatisfactory cylinderI is merely discarded. and its .place is taken bythe next cylinder ⁇ in line, because the permanent identifying' data is not appliedtoa cylinder. until after itl'h'asV passed. its. test.. Thisfsav'esa ma- 4 terial amount of time in the production of pressure vessels.
  • the shape and inclination of the element bearing the stamped data is such that all essential data, including serial number, water capacity and tare weight, can be read from almost any position without turning the container to cause such data to face him. This is not Dossible with a small diameter part or where the part is sloped upward very much. With a separate data-carrying member, as disclosed herein, the data can be stamped into that member as deeply as desired without weakening the head of the cylinder.l l
  • the modified embodiment of the invention shown in Fig. 5v has the advantage over the one previously ⁇ described of permanently joining the inner edge of the identication member 2
  • the opening through the center of the annular member4 is considerably smaller than the one in crown I3,so thattheinneredge of., the crown can extend into the lower part ofa deep recess 2li' encircling the v upper end of the neck.
  • the dished crown 2I ismade. in. the same. w'ay as the one described above.
  • The: collar then is pressed downward to force the inner portion ofv ther crown, wherev it joins the collar, .against the. head, or nearly so.
  • the inner edge of the top wall of the collar is disposed in a recess 33 encircling the upper Aend of the neck 34 on the cylinderv head 3G, andv is permanently held therein in any suitable manner, preferably by abraze or weld 31.
  • This formv of the invention The. adjoiningfi'nner. edges of the collar 42 and the crown-.43am welded yto the side of the neck. 'Ihis figure al'solshows vthat the crown rib 44 may be, flef.t spacedfromthe cylinder head. 45.
  • a pressure vessel comprising a cylinder having a convex head provided with a neck, a wide identication metal crown encircling the neck with its outer edge engaging the head, the upper surface of the crown being provided with identifying data stamped therein, the inner portion of the crown having a downwardly bent annular portion forming a groove in its top and a rib on its bottom, and an externally threaded collar encircling the neck and joined to the upper end of it, the bottom of the collar seating in said groove and pressing said rib toward the head.
  • a pressure vessel comprising a cylinder having a convex head provided with a neck, a wide identification metal crown encircling the base of the neck with its outer edge engaging the head, the inner portion of the crown having a downwardly bent annular portion forming a groove in its top and a rib on its bottom, all but said outer edge of the crown originally being spaced from the head, a collar encircling the f neck and having an externally threaded side wall spaced therefrom and a top wall extending inward toward said neck, the upper end of the neck being encircled by a recess receiving the inner edge portion of said top Wall, and a weld joining said inner edge portion to the neck, the bottom of said side wall seating in said groove and springing said rib down toward the head, and the upper surface of the crown around the collar having identifying data stamped therein.
  • a pressure vessel comprising a cylinder having a convex head provided with a neck, a wide identification metal crown encircling the neck with its outer edge engaging the head and its inner edge spaced from the head and secured to the neck, the crown having a downwardly bent annular portion between its edges forming a groove in its top and a rib on its bottom, and an externally threaded collar encircling the neck and joined to the upper end otit. the bottom of the collar seating in vsaid groove and pressing said rib toward the head, and the upper surface of the crown having identifying data stamped in it outside of the collar.
  • a pressure vessel comprising a cylinder having a convex -head provided with a neck encircled at its upper end by a recess, a wide identification metal crown of greater convexity than the head encircling the neck with its inner edge disposed in the neck recess and its outer edge engaging the head, a collar encircling the neck and extending into said recess above the crown, the collar having an externally threaded side wall spaced from the neck with the bottom of said wall springing an annular portion of the crown toward the head to press the outer edge of the crown tightly against the head, and a weld in said recess joining the inner edges of the collar and crown to the neck, the upper surface of the crown having identifying data stamped therein around the collar.
  • a pressure vessel comprising a cylinder having a convex head provided with a neck, a wide identication metal crown of greater convexity than the head encircling the neck with its inner edge near the upper end of the neck and its outer edge engaging the head, a collar encirling the neck and having a top wall close to the neck above the crown, the collar having an externally threaded side wall spaced from the neck with the bottom of the side wall springing an annular portion of the crown toward the head to press the outer edge of the crown tightly against the head, and a weld joining the inner edge of the collar top wall to the neck, the upper surface of the crown having identifying data stamped therein around the collar.

Description

C. E. JOHNSON PRESSURE VESSEL Oct. 14, 1952 Filed April 6, 1948 1 VENToR we a BY @Mwmmqmryu J4 nrroe/vgrs.
Patented Oct. 14, 1952 PRESSURE vE'ssEI'; v Carl E. Johnson,-Verona, Pa'., assignor-to` Scaife Company, Oakmont,
Pennsylvaniay Pa.; a corporation vol' Applicationpril 6, 194.8,` "Serial"y ldd-19,254'
This invention relates to shipping containers for compressed gases, and more particularly -to means for identifying such containers.
In the manufacture ofcontainers for handling or shipping liquefied petroleum gas and other compressed gases the Interstate Commerce Commission requires that each container,` usually termed cylinder, be impressed with certain information, such as the name of the manufacturer, the weight of; the cylinder and its serial number. When containers are furnished on any order they must be numbered consecutively. In the past it has been the practice to stamp therequired information into the metal of the head of the cylinder around its neck. This ha-s to be done before the cylinder is completed and tested.
If the cylinder fails the test, the data carried by it has to be applied to a new cylinder in order that there will be no gaps in the numbering system. The time required to make the new cylinder, which can not be made until it is known which cylinder it will replace, slows down production. 'Ihe lightwalls of these pressure cylinders make it unwise to stamp data into them deeply, which otherwise would be desirable for the sake of legibility-i A simple solution to theseA problems would seem to be to stamp the necessary information on metal plates and then weld them to the cylinder heads after the cylinders have been tested, but such a procedure is not allowed by ICC regulations without subsequent heat treatment, which must be done before testing.
It is among the objects of this invention to provide a pressure vessel which can be tested before permanent identifying data is applied to it,
but which later receives a data-carrying member y that is permanently attached to it without being welded to the'cylinder head or side wall. Other objects are to provide such a vessel with an identication member that is easy to read and that can carry additional data desired =by the user but l not presently allowed to be stamped into the wall of acontainer.
In accordance with this invention the neck at the center of the convex head of a compressed gas cylinder is encircled by an identificationmember in the formof a wide flange or crown, the outer edge of which engages the head. The upper surface of the crown has stamped deeply therein identifying numbers and figures pertaini 2 it has passed its tests. The-y ttom of the collarpressesthe' underlying portionof the crown toward the head. so that the crown is permanently clamped in place by the collar. If desired.
when the collar is separate from the crown, the
collar, lthe lower surf-ace of 'the grooved portion forming a rib that-may be pressed against the head. .l y f l The invention is illustrated inthe accompanying drawings in which Fig. '1- is a side view of my pressure vessel;` Fig. 2is a plan view thereof; Fig.
3 is anenlarged central verticalsection through the upper portion of this vessel with the valve and valvecap removed; Fig. 4 is a similar view of the same parts just before ythe collar is fastened to the neck;` and Figs. 5, 6 and? are frag- -mentary views, similar to Fig. 3, of three modifications of this invention.'
Y Referring to Figs. 1 to 3 of the drawings. the compressed gas cylinder ha-s the usual convex head l provided with a central opening 2 from which a'neck 3 extend-s upward. The lower end offthe neck Vmay rest on the head around the opening andbe welded to the head, or it may be integral with the head. Y The neck is provided f with a threaded passage 4 for receiving the usual shut-off valve (not shown). The upper end of the neck is provided with an encircling recess 6 having a horizontal bottom and an upwardly tapered side. Also encircling the neck is a metal collar 'l which has a horizontal top wall, the inner edge of which extends into the neck recess and substanti'all'y` engagesits lower surface. The collar ing to the cylinder'carrying it. The crown is held in place by a threaded collar` which encircles the neck and is permanently attached to the upper end of it. The crown and collar maybe made in one piece or vas separate members. but they are not applied to the' cylinder until after may be secured to the neck by a continuous braze or weld B which lls the downwardly tapered annular groove formed between the side of the recess andthe collar. If desired,` however, the co1- lar can be joined to the neck by a mechanical connection. The top Wall of the collar-extends away from the neck and is integrally connected to the upper end of a side Wall which is spaced `from the neck. The outer surface of this side wall is provided with screw threads 9 onto which la 'valve protection cap lIl ,can be screwed.
' l The lowrend of the side wall is rounded transversely and is seated in a circular groove I2 formed in a wide metal dished crown I3 that encircles the neck and extends outward over the head. This groove is formed by bending an annular portion of the crown downward near its inner edge, thereby forming below the groove an annular rib--I4 which-preferably. although not necessarily, engage'sxthe top of the head. The outer edge of the crown also engages the head. The inner edge of the crown can be extended up into the collar as far as desired. Stamped in the upper surface of the crown around the collar' is the data required by the Interstate. Commerce Commission, including the.l serial number of theV cylinder on which the crown is mounted, as well as all those additional markings that are convenient and desirable, such as thewa'ter capacity and tare weight of the container, and the name and address of its owner; It will be observed that the crown is clamped permanently in place onthe cylinder by means of the collar. which ispermanently attached to the neck, buty that neither the crown norV the collar is. Weldedi to the head. However, if found desirablelthe outer edge of. the crown could in some casesfbe welded or brazed to the head. Where a weld 8 -is used-l for connecting the collar to therneck,the weldwillnotaiect the strength of thehead. This also is true ot any other form of attachment'at. thspoint. The crown will protect the top ofthe head: against denting bycareless handlingot the.- container or by bumping withk awrenchv while removing valve cap I I` or the valve.
In making such a pressure Vessel the neck. 3if a separate member, is welded. or brazed tothe head I and then the. cylinder is tested. After testing, the metal crown, which then is in the form of a flat perforated disk, is stamped with the seria1 number and other informationapplicable to that particular. cylinder. The perforated disk thenY is pressed `to provide it with the;y groove I2 and the rib I4 andv to makeitconvex. The convexity of the annular disk isx greater than that .of the headY so that whenv the. crown is dropped over the neck, only its outer edgewill engagethe head, as shown. in Fig. 1l.V The rib will-.be-'spaced from the head as well as from the neck.. Thefthreaded collar I then is set on thezcrownwithfitsflower edge seated in the groove; Due. to theribbeing spaced kfrom the head, the top of thezcollar'will be above the top ofthe` neck, and the-lower surface of. the top wall of the collar willbe spaced from the bottom of the neck recess; 6/ a distance at least as great as that between theribf andhead. Thecollar then is pressed down to` spring: the inner portion. of the crown down, preferablyfuntil its rib engages the top of the head. At the same time the top wall of the collar willengage or substantially engage the bottom of' the neck recess.
While` the collar is held in this position. it is welded to the neck by circular weld 8, oris otherwise permanently attached to theneck, whereby the crown is held firmly and permanently inplace againstthe head.
It will be seen that this invention makes itpossible to test the cylinders before-anyfpermanent identifying data is appliedy tothem. Consequently, if any cylinder fails it is unnecessary to go. back and make a new cylinder to take: its `place and to carry. the same serial number as the cylinder that failed. The unsatisfactory cylinderI is merely discarded. and its .place is taken bythe next cylinder `in line, because the permanent identifying' data is not appliedtoa cylinder. until after itl'h'asV passed. its. test.. Thisfsav'esa ma- 4 terial amount of time in the production of pressure vessels. The shape and inclination of the element bearing the stamped data is such that all essential data, including serial number, water capacity and tare weight, can be read from almost any position without turning the container to cause such data to face him. This is not Dossible with a small diameter part or where the part is sloped upward very much. With a separate data-carrying member, as disclosed herein, the data can be stamped into that member as deeply as desired without weakening the head of the cylinder.l l
The modified embodiment of the invention shown in Fig. 5v has the advantage over the one previously `described of permanently joining the inner edge of the identication member 2| to the neck 22 of the cylinder head 23. In this case the opening through the center of the annular member4 is considerably smaller than the one in crown I3,so thattheinneredge of., the crown can extend into the lower part ofa deep recess 2li' encircling the v upper end of the neck. The dished crown 2I ismade. in. the same. w'ay as the one described above. by pressing a latperforated disk to make it moreshajrply concave than the head and to provide itwith a circular groove26 in its top and a ,ribj 2,1 on its-bottom. However, the inner. portion of the crownextends some distance inward from the'groove, and upward. When the crown is dropped-over the neckr of the cylinder, only the outer edge` of ther-crown will engage the head. The` inner edge will project into the central portion of neck` recess 24. An` externally threaded collar 28 then is set in the crown groove and pressed down to spring the rib down toward the head.l This-Will lower both collar and crown in the neckfrecess. While heldl inA this position the inner edges ,off the collar and crown are permanently fastened to the neck, preferably by arbrazefor Weld 29 that joins the `adjoining surfaces into asingleunit. Thusthe crown as well asthe collar. isrwelded to the neck, but neither needbe welded' tothe head. If the threads on the collar become worn or rusted, the collar can be replaced by a new' one without disturbing the crown,= by merely chipping Aout or otherwise removing the upper partr of weld 29 and then re- Welding a new collar.
- In the embodimentsl'iownin Fig. 6 the collar 3I and annular lidentification member 32 are made in onervpiece, with the crown 32 projecting from the bottom of the collar like a flange. When this combined unit is first setv down on the head,
- onlyV the outer edge of. the crown engages the head.
The: collar then is pressed downward to force the inner portion ofv ther crown, wherev it joins the collar, .against the. head, or nearly so. The inner edge of the top wall of the collar is disposed in a recess 33 encircling the upper Aend of the neck 34 on the cylinderv head 3G, andv is permanently held therein in any suitable manner, preferably by abraze or weld 31. This formv of the invention The. adjoiningfi'nner. edges of the collar 42 and the crown-.43am welded yto the side of the neck. 'Ihis figure al'solshows vthat the crown rib 44 may be, flef.t spacedfromthe cylinder head. 45.
According to the provisions of the patent statutes, I have explained the principle of my invention and have illustrated and described what I now consider to represent its best embodiment. However, I desire to have it understood that, within the scope of the appended claims, the invention may be practiced otherwise than as specifically illustrated and described.
I claim:
1. A pressure vessel comprising a cylinder having a convex head provided with a neck, a wide identication metal crown encircling the neck with its outer edge engaging the head, the upper surface of the crown being provided with identifying data stamped therein, the inner portion of the crown having a downwardly bent annular portion forming a groove in its top and a rib on its bottom, and an externally threaded collar encircling the neck and joined to the upper end of it, the bottom of the collar seating in said groove and pressing said rib toward the head.
2. A pressure vessel comprising a cylinder having a convex head provided with a neck, a wide identification metal crown encircling the base of the neck with its outer edge engaging the head, the inner portion of the crown having a downwardly bent annular portion forming a groove in its top and a rib on its bottom, all but said outer edge of the crown originally being spaced from the head, a collar encircling the f neck and having an externally threaded side wall spaced therefrom and a top wall extending inward toward said neck, the upper end of the neck being encircled by a recess receiving the inner edge portion of said top Wall, and a weld joining said inner edge portion to the neck, the bottom of said side wall seating in said groove and springing said rib down toward the head, and the upper surface of the crown around the collar having identifying data stamped therein.
3. A pressure vessel comprising a cylinder having a convex head provided with a neck, a wide identification metal crown encircling the neck with its outer edge engaging the head and its inner edge spaced from the head and secured to the neck, the crown having a downwardly bent annular portion between its edges forming a groove in its top and a rib on its bottom, and an externally threaded collar encircling the neck and joined to the upper end otit. the bottom of the collar seating in vsaid groove and pressing said rib toward the head, and the upper surface of the crown having identifying data stamped in it outside of the collar.
4. A pressure vessel comprising a cylinder having a convex -head provided with a neck encircled at its upper end by a recess, a wide identification metal crown of greater convexity than the head encircling the neck with its inner edge disposed in the neck recess and its outer edge engaging the head, a collar encircling the neck and extending into said recess above the crown, the collar having an externally threaded side wall spaced from the neck with the bottom of said wall springing an annular portion of the crown toward the head to press the outer edge of the crown tightly against the head, and a weld in said recess joining the inner edges of the collar and crown to the neck, the upper surface of the crown having identifying data stamped therein around the collar.
5. A pressure vessel comprising a cylinder having a convex head provided with a neck, a wide identication metal crown of greater convexity than the head encircling the neck with its inner edge near the upper end of the neck and its outer edge engaging the head, a collar encirling the neck and having a top wall close to the neck above the crown, the collar having an externally threaded side wall spaced from the neck with the bottom of the side wall springing an annular portion of the crown toward the head to press the outer edge of the crown tightly against the head, and a weld joining the inner edge of the collar top wall to the neck, the upper surface of the crown having identifying data stamped therein around the collar.
CARL E. JOHNSON.
REFERENCES CITED The following references are of record in the ille of this patent:
UNITED STATES PATENTS Number Name Date 1,948,953 Wayer et al Feb. 27, 1934 1,948,966 Jaeger Feb. 27, 1934 2,031,351 Rheem Feb. 18, 1936 2,356,901 Wackman Aug. 29, 1944 2 421 460 Merker et al June 3. 194'?
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Cited By (22)

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US2761229A (en) * 1954-08-13 1956-09-04 Gregory Ind Inc Billet identification
US3079716A (en) * 1961-03-27 1963-03-05 Specialties Dev Corp Valve and nameplate assembly
US3152718A (en) * 1962-03-08 1964-10-13 Weatherhead Co Cylinder boss
US4282974A (en) * 1978-08-22 1981-08-11 Schafer Werke Gmbh Plastic-enclosed metal barrel
US4461397A (en) * 1981-02-23 1984-07-24 Midland Manufacturing Corp. Protective device for mobile tanks having bottom discontinuities
US4521676A (en) * 1982-09-30 1985-06-04 Aga Ab Encoded cap for a pressurized gas cylinder
US4582100A (en) * 1982-09-30 1986-04-15 Aga, A.B. Filling of acetylene cylinders
WO1986004175A1 (en) * 1984-12-31 1986-07-17 Hearst David T Identification device for a container
US4657055A (en) * 1982-09-30 1987-04-14 Aga Ab Filling of acetylene cylinders
US4697528A (en) * 1986-04-18 1987-10-06 Pullman Rail Leasing Inc. Railway tank car with protective device for protrusion
EP0314609A2 (en) * 1987-10-26 1989-05-03 MANNESMANN Aktiengesellschaft Pressure container for gases of high purity
US5422152A (en) * 1994-02-03 1995-06-06 Oliver Products Company Sleeve label attachment
US5555655A (en) * 1994-09-26 1996-09-17 Aga Ab Identification device for a container
US5651357A (en) * 1991-11-14 1997-07-29 Ohmeda Inc. Connection to a gas cylinder
WO2001027905A1 (en) * 1999-10-14 2001-04-19 The Goodyear Tire & Rubber Company Part number identification tag
US20040020947A1 (en) * 2000-11-10 2004-02-05 Denis Delbarre Cask for drawing off liquids under the effect of pressure
US20040244836A1 (en) * 2003-03-21 2004-12-09 Ratermann George W. Protection and tamper notification device for use with a valve
US20060169386A1 (en) * 2005-02-01 2006-08-03 Bfs Diversified Products, Llc Air spring and hanging label assembly and method of assembling same
US20110278316A1 (en) * 2010-05-11 2011-11-17 Bernardo Herzer Protective Cap for Tank
US20110315567A1 (en) * 2010-06-29 2011-12-29 Clever Girl Concepts, LLC Customizable Storage Container System
US20110315566A1 (en) * 2010-06-29 2011-12-29 Clever Girl Concepts, LLC Customizable storage container system
US20190360641A1 (en) * 2016-04-29 2019-11-28 Aygaz Anonim Sirketi A cylinder

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US1948953A (en) * 1931-10-07 1934-02-27 Wayer Henry Valve protector for gas containers
US1948966A (en) * 1931-11-04 1934-02-27 Jaeger Gebhard Valve protector for gas containers
US2031351A (en) * 1935-01-22 1936-02-18 Rheen Mfg Company Container fitting
US2356901A (en) * 1940-08-30 1944-08-29 Louis B Wackman Method of constructing bushing fixtures for metallic containers
US2421460A (en) * 1944-03-20 1947-06-03 Pressed Steel Tank Company Compressed gas container

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US1948953A (en) * 1931-10-07 1934-02-27 Wayer Henry Valve protector for gas containers
US1948966A (en) * 1931-11-04 1934-02-27 Jaeger Gebhard Valve protector for gas containers
US2031351A (en) * 1935-01-22 1936-02-18 Rheen Mfg Company Container fitting
US2356901A (en) * 1940-08-30 1944-08-29 Louis B Wackman Method of constructing bushing fixtures for metallic containers
US2421460A (en) * 1944-03-20 1947-06-03 Pressed Steel Tank Company Compressed gas container

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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