|Publication number||US2052817 A|
|Publication date||Sep 1, 1936|
|Filing date||Sep 26, 1933|
|Priority date||Sep 26, 1933|
|Publication number||US 2052817 A, US 2052817A, US-A-2052817, US2052817 A, US2052817A|
|Inventors||Llewellyn W Evans|
|Original Assignee||Rheem Mfg Co|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (6), Classifications (8)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Sept. l; 1936.
L. w. .EVANS METAL BARREL Filed Sept. 26, 1933 Patented Sept. l, 1936 UNITED STATES PATENT GFFICE METAL BARREL Llewellyn W. Evans, `Richmond, Calif., assigner to Rheem Manufacturing Company, Richmond, Calif.
Application September 26, 1933, Serial No. 691,009
The invention relates-to metal barrels and particularly to the multi or hollow-walled type.
An object of the invention is to provide a doul ble-walled metal barrel in which both the innerl 'inner and outer walls are so formed individually and associated the one with the other in such manner as to make the assembled structure of maximum strength and sturdiness with the use of but comparatively very light and thin material for the walls.
A further object of the invention is to provide the barrel with rolling shoulders which will communicate their load directly'to the inner as well as the outer wall of the barrel but without shock or jar.
The invention possesses other objects and features of advantage, some of which, with the foregoing, willbe set forth in the following description of the preferred form of the invention which is illustrated in the drawing accompanying and forming part of the specification. It is to be understood, however, that variations in the showing made by the said drawing and description may be adopted within the scope of the invention as set forth in the claims.
Referring to said drawing:
Figure l is a longitudinal sectional view of a barrel formed in accordance with my invention.
Figure 2 is a view similar to Figure 1 with parts broken away to reduce the size of the figure, and showing a modified form of the invention.
The barrel as illustrated in 'Figure 1 includes inner and outer shells 3 and 4 each having side and end walls so as to provide complete but entirely independent enclosures. Both shells are each formed of two half-sections, and the sections 6 and I of the inner shell are connected preferably by a lock seam and assembled with the joint 8 therebetween in a plane coextensive with the longitudinal axis of the barrel, whereas the sections 9 and I0 of the outer shell are connected preferably by a butt seam and with the joint I2 thereof disposed in a plane transversely of said axis. The sections of the shell 4 are assembled and connected after the sections 6 and 'I of the inner shell have been welded at the joint and ctherwise rendered suitable for use as a container. It is important to note that due to the weldcompletely around the shell and provides the poring and presence of added material at the joints, the shells will have thereat the greatest resistance to collapsing, and since the joints for the different shells are at right angles to one an- 'other and traverse the longitudinal and trans- 5 verse centers of the barrel, a most effective reenforcement for the barred will be provided. It will of course be understood that while I have shown the shells as each formed of two sections, such number may be varied. 10 Means are provided for holding the different shells in position with the sides .and ends of the one shell in opposed and spaced relation to the sdes and ends of the other shell, or in other words l supporting the inner shell within but entirelyr15 spaced from the outer one. Furthermore the means so provided serve not only to space the shells but to a very material extent prevent the inner casing from receiving the shocks and'jars to which the outer shell may be subjected when 20- the barrel is being roughly handled. The means aforesaid, in the present embodiment, are in the form of spacing rings I4 and I5, and spacer plates I6, the rings i4 being interposed -between the opposing side walls of the shells while the rings I5 25 are located at the juncture of the side and end walls of the different shells. The plates I6 are fitted between the opposing end walls and may be co-extensive with joint 8 thereat so as to prevent damage to the latter in case an end wall of the outer shell is bent inward. All the rings and plates areformed of a resilient material, such as rubber, and are fitted tightly between the opposing shell surfaces so as to hold the shells firmly in the desired spaced relation. The plates are 35 seated in pockets I8 in the end wall of the outer shell so that they cannot become displaced, while the rings I5 are for a like purpose provided with extended portions I9 which engage in recesses 2I defined on the inside of rims 22 at the juncture of the side and end walls of the outer shell. Incidentally, it will be noted that the rims 22 are formed as integral extensions of the walls of the outer shell and are strengthened with reenforcing rings 23 conforming to the shape of and locked in 45 the interior of the rims.
The rings I4 not only serve to hold the side walls of the shells spaced, but for directly communicating to the inner shell without jar, some of the load on the outer shell such as when the barrel is being rolled on its sides. As will be clear from Figure 1, there is formed in and as part of the side walls ofthe outer shell, on each side of the joint I2, a rolling shoulder ,26 which extends tion thereof of lgreatest diameter so that when the barrel is laid on its sides the shoulders will ordinarily rest on the supporting surface. The shoulders present on the inner surface of the outer shell annular grooves 21, and it is in such grooves that the rings I4 are seated and thereby held against displacement. 'I'he ringsl I4 preferably llthe entire space in the grooves and have their base portion widened so as to afford a. large area, of contact with the inner shell. In order to render the outer shell somewhat resilient and yet of greater strength, the side Wall portions from the shoulder to the rim are formed with annular corrugations 28. It will thus be evident that whether the barrel is set on end or side, the load on the rim or on the shoulders will be smoothly absorbed by the outer shell, and with greater smoothness, but to a lesser extent, by the inner shell. v
Preferably a band of asbestos 29 or the like is arranged along the joint l2 on the inner side of the outer shell, and a bung opening 3| and' inlet opening 32 are provided respectivelyon the side scribed embodiment, and accordingly the outer shell 34 is in the form of a hollow cylinder 35 made of half sections and secured to end walls 36 by a double lock seam joint 31; the' latter, which is enclosed by and locked together with a covering 38, conveniently serves as the rim of the barrel. Support of the inner shell 3 within-the outer shell is aior-ded through means of spacers 39 and 4l formed of rubber or other resilient rnaterial. In this case heavy annular bands 42 are aixed to the exterior of the outer shell and provide roller shoulders 43. The bung hole structure here shown comprises a hollow fitting 44 ."t Within a neck 45 formed with extensions of the inner and outer shells and joined in a lock seam. A strip 41 secured to the outer shell and formed either separate lof or integral with the bands 42 has an opening 48 for the reception of the fitting 44, and preferably the outer surface of the strip is ilush with the to'p of the fitting 44 so as to form a guard for the latter.
opposed receptacles connected by a joint at their open sidesand disposed transversely of and in a plane at right angles to thevjolnt of the inner shell.
3. In .a barrel, a closed sectional inner shell comprising like opposed receptacles connected by a reenforcing joint and extending circumferentially about-the center of the shell at their open sides, a closed sectional outer shell surroundr ing and spaced from said inner shell and comprising like opposed receptacles connected by a reenforcing joint at their open side which 'encircles the outer shell about the mid-portion 'thereof transversely of and in a plane at right angles to the joint of the inner shell, and means between said shells serving to keep same resiliently spaced apart. A
, 4. In a barrel, a shell having substantially cylindrical sectional side walls connected with a longitudinally extending reenforci'ng joint disposed ln a plane extending through the center of the shell longitudinally thereof, a shell enclosing said flrst shell and having cylindrical sectional side Walls connected with a circumferential extending reenforcing joint disposed in a plane extending through the center of the shells radially thereof and intersecting and at right angles to said first plane, and means to resiliently hold said walls in spaced concentric relation.
5. In a steel barrel, an inner shell comprising
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|U.S. Classification||220/4.4, 220/DIG.100, 220/592.19, 220/669|
|Cooperative Classification||Y10S220/01, B65D7/045|