US1685905A - Metal shipping container - Google Patents

Description

.11. .ll. WARN METAL SHIPPING CONTAINER Filed July 11. 1925 3 Sheets-Sheet A TTORNEY.

mm, 2, wmf

J. J. CAIN METAL SHIPPING CONTAINER Filed. July 11., 1925 5 Sheets-Sheet 2 INVENTOR;

ATTORNEY.

METAL SHIPPING CONTAINER Filedk July M, 1925 rattan was.

JOHN a. cam, or naronnn, new Jnnsnr.

, METAL SHIPPING CONTAINER.

Application filed July 11, 1925. Serial No. 43,053

This application is a continuation in part of my co-pending application, Serial No. 680,073, filed December 12, 1923.

vThis invention relates to metal shipplng containers, consisting of three pieces only, a body portion and two heads, adapted to be forwarded to the place of use in knockdown condition and there readily assembled.

The main feature of the invention relates to so forming the ends of the body portion as to provide chime channels, adapted to receive flanges extending from the per pheries of the heads; said channels beingformed by reversely folding the ends of the body whereby rigid and strong chimes are produced, consisting of a number of thicknesses of the metal used in the construction of the container, capable of resisting rough usage. This construction of chime channels on the body constitutes a leading object of the invention. p

Another object is to make the various steps or stages in the manufacture of metal containers as simple and cheap as possible.

A further object is to provide a simple, secure and readily manipulated means for fastening the body andheads together, which involves the formation of lugs or tongues in the parts of the body or in the parts of the heads included in the walls of the chimes,

or in both of said parts of the bodyv and heads, adapted to engage the chime walls of the other parts, in such manner as to fasten the body and heads securely together.

an example of the application of said improvements to shipping containers a metal barrel or cylindrical container is illustrated in the accompanying drawings, in which:

Figure 1 is a side elevation of a part of a barrel partly in section; L

Fig. 2 is a plan of the same showing a part of the chime in section;

Fig. 3 illustrates, in section, the chimes on the body and the flanges on the heads, which, when assembled, constitutes the completed chimes of the barrel on line 3, 3, Fig. 4

Fig. 4: is aside view of Fig. 3 looking to wards the right;

Fig. 5, is a vertical sectional view showing the parts of the body and head assembled in achime; U

Fig. 6 is a horizontal sectional view of the same, takenon the line 6,6, Fig.

Fig. 7 is a view similar to Fig. 5, taken on the line7, 7,Fig.1; p

Fig. 8 is a fragmentary view, in the flat,

of portions of the body, illustrating a process or stage in the manufacture of the containerr- Fig. 9 shows a modification in the flange Jfprmation of the heads, in section similar to Fig. 10 is a modification of the means for fastening the body and heads together;

Fig. 11 is a sectional view of a modification of the head and Fig. 12 is a plan view of the head shown in Fig. 11, Fig. 13 is a section on line 13-13 of Fig. 12. y

, The container consists of three pieces of sheet metal comprising all devices etc., necessary to'secure the parts together in a simple mannerat the place of their use, to which they may be sent in knock-down condition.

The longitudinalseam or joint of the body 11, is shown with overlapping edges, one of which is provided with slots and the other one with lugs or tongues, adapted to be passed through the slots and bentdown flatwise on the body, as shown at 12, Fig. 1. The fastenings of this scam may be of any suitable character, and when the barrel is completed at the place of manufacture the seam may be riveted or welded.

At each end of the body is formed a chime in which seats a downwardly extending flange formed on the periphery of a head 13. a

The body blank is formed as shown at Fig. 8. The corner of one of the overlapping edges is cut away, as at 14c, and the other edge slotted, as seen at 15. Adjacent the end of the body are formed openings 16, spaced apart to coact with fastening tongues 17, on the head 18, as hereafter described. The body portion of the chime comprises an outer wall 18, the edge of which may bebent inwardlyto form a stiffening hem 19; the outer fold itself is thus folded downwardly so that there are no free projecting edges at the upper part of the fold,

said outer wall being bent upwardly from an intermediate wall 20, which is folded downwardly from and pressed closely against the body or inner wall 21 of the chime.

Between the outer wall 18 and interme diate wall 20 is the chime channel before mentioned. These parts may be formed by a folding or a rolling process, and so formed the openings 16 are at the lower part of the wall 18.

The periphery of the flat portion of head l3 is formed with an upwardly extending inner flange wall 22, which is reversely downwardly bent to form the outer wall 23 of the head flange, the lower edge of which is slotted or nicked to form the tongues 17.

The dotted lines 24, and 26, Fig. 8, indicate the lines of folds at the ends of the body-in forming the chimes as before stated.

The chimes .at the ends of the body 11, made by the before-described folds and bends are seen at the lower parts of Figs. 3 and l the upper parts of said figures show the flange formation at the peripheries of the heads 13. Now when the head is seated in the body its outer wall 23 will rest in the chiin e channel between the outer wa-ll'18, of the chinie, and its'turned-over edge 19, and the intermediate wall 20, with the tongues 1'? facing the openings 16, the tongues then being in position to be bent outwardly and upwardly against the outer wall 18.

. The reversely folded metal at the end of the body portion thus forms a reinforcing flange which is further strengthened by the flanges of the head, and it is all so formed as to leave no projecting free metal edges.

Thedepthof the wall 23 is slightly less than the depth of the channel to insure that the bent edgeofthe walls 20'a1id 21 will fit snugly against the inside of the upper bend of the head flange when the tongues 17 are bentoutwardly, as'shownat Fig. 5, and also at Fig. 2, and finally pressed against the outer wall '18 of the chime, to securely fasten the'partstogether, as shown at Fig. 1, and by at dotted lin'e in Fig; 5. The chime thus completed consists of at least six thicknesses of metal compactly arranged, and is capable of resisting all conditions of transportation and rough handling.

v It is proposed to form depressions in the walls into which the tongues will fold, as shown in Fig. 6,so that the exposed surfaces will besubstantially smooth. This feature of construction may be adopted at other places where tongues" are folded against curved or flat'surfaces.

When; the chimes are formed and the body cylindrically rolled the free ends of the parts of the chimes abut, as at 27, Fig. 1, and as the foldof the walls 20, 21, is made on the line 26 FigtStand the slot 15 crosses this line its two. halyes will align forming a lug 28, which is bent inwardly over the horizontal edge of the'c'ut-out part 14, as shown in Fig; 7, in such manner as to allow sliding action be tween zth'ejfolded lug and the edge for the proper adjustment of the parts when the head is applied to the; body.

f The abutting edges of the chime may be covered by a'to'ngue 29, formed by slits made inthe outer wall" 23, of the head 13, said tongue being bent over theedge'of the chime and down against its outer wall 18 see Figs.

In some instances the inner wall of the flange of the head 13 may be omitted, the main or flat part of the head then connecting directly with the outer wall 23 of the flange, as shown in Fig. 9. This will incr'easethe holding capacity of the container to the full length of the body; in other rcspects the parts with the fastening tongues etc, may be as before described.

In another modification the openings 16 in the walls 18 of the body and the tongues 17 of the; flange 23 of the head may be omitted, and slits made in the part 19 of the out 1' wall 18, leaving tongues in plane with or extending from the top of the wall 18, when the balance of the part 19 is folded against the inside of the wall 18. These tongues will extend upwardly when the head is applied to the body with flange wall 23 in the. channel of the chime and then be folded over-the bend of the head flange and down aga'iii'st its inner wall 22', as shown in Fig. 10. This construction leaves the outer wall of the chime smooth and unbroken. These holding or locking tongues 30' may, if desired, be used in combination with the tongues 17. y

This method of forming the chimes on the body and the c'oacting' walls of the head flanges provides practically watertight joints between the body and the heads, thus preventing damage to the contents of the containers due to inclement weather conditions and other causes during transportation, etc.

The modification shown in Figs. 11, 12 and 13 .is an imj'n'ovcment upon that shown in the other figures. The upper part of the body of the. container may be arranged in any desirable manner. As shown in section, Fig. 11, the metal is bent back upon the body at 31 and turned up at 32 to form a groove. The flange 33 on the head 35;: fits into the groove in the manner described heretofore.

Some difiiculty has been cx iicrienced in getting the head, as shown in Figs. .1 and 2. into the groove around the top of the body after the container has been filled with certain materials. In order to overcome this (lilliculty, I have cut an opening in the head and placed a cover 35 over this opening. An upstanding flange; 36 is formed around the opening and a correspondin; flange portion 37 on the cover 35 fits over the flange 2-H}.

Lugs or ears 38 are welded or otherwise fastened to the head on the fiat portion between the edge andthe flange 36. The edge of the cover 35 is provided with cam like projections 39 which are moved under the lugs 38 to hold the cover securely in position. This is shown in Fi 13.

A reinforcing rib or fiiinge 40 is placed on the bottom of the container as shownv in Fig. 11. In assembling the container as Hit) neeaeos shown in this modification, exactly the same procedure is followed, as heretofore explained, except that the cover 35 is not applied to the container until after the same has been filled. By the provision of the opening in the head which is reinforced by the flange 36 and the corresponding flange on the edge, the container is not distorted or warped upon filling, whereupon the cover 35 may be easily and readily placed in posiiton. For the purposes of shipping the container when empty, the head may be assembled as a uintary structure includii'ig the cover 35.

This modification of my invention has several. advantages as will be apparent to those familiar with these articles. By reason of the fact that the fastening lugs are located between the flanges on the head, there is less liability of damage to them. By making the flanges on the head and cover fit snugly a water tight joint is secured. @ther advantages will be apparent.

Changes in details may be made without departing from the spirit of my invention.

1 claim 1. In a metal shipping container, a circular body portion having reverse folds of the material at the outside of an open end forming a flange with a channel between the folds, a head having a peripheral flange adapted to be received in said channel be tween the walls of the body folds, and tongues formed on one of said flanges and adapted to fold over the edge of the other flange to secure the head on the body.

2. In a metal shipping container, at body portion of sheet material with its open end folded down against the outside of the main portion, said folded portion being bent upwardly with its edge substanitally on the same level with the bend at the end of the body, said parts constituting a reinforcing flange at the end of the body portion with a channel between the folded down and upturned portions, a head provided with a peripheral flange adapted to seat in said channel, means for holding the head on the body, and a tongue extending from the head flange and folded over the top of said channel. and down against the outside of the container to cover the abutting edges of the body flange.

3. In shipping container, a body portion of sheet material with an end folded down against the outside of the main portion, said folded portion being, bent upwardly with its edge folded inwardly to stiffen it, said. folded portion constituting a reinforcing flange at the end of the body portion with a channel between the folded down and upturned portions, a head provided with a peripheral flange adapted to seat in the channel, and means comprising tongues on the head flange for holding the head on the body.

4. In a metal shipping container, a body portion having reverse folds of the material at an end forming a reinforcing flange with a channel between the folds, a head having a two wall peripheral flange adapted to engage with the walls of the body portion, one of said walls being adapted to be received in said channel between the reverse folds of said reinforcing flange, tongues formed by slits in the outer wall of the flange of the head, the outer fold of the body portion being provided with openings through which said tongues are adapted to be passed and folded against the outer wall of the body t portion to secure the head to the body portion.

5. ln a metal shipping container, a body portion having reverse folds of the material at an end forn'iing areinforcing flange with a channel between the folds, a head having a two wall peripheral flange adapted to engage with the walls of the body portion, one of said walls being adapted to be received in said channel between the reverse folds of said reinforcing flange, tongues formed by silts in the outer wall of the flange of the head, the outer fold of the body portion being provided at its lower portion with openings through which said tongues are adapted to be passed and folded against the outer wall of the body portion to secure the head to the body portion.

6. In a metal shipping container, a body portion having reverse folds of the material of an end forming a reinforcing flange with a channel between the folds, a head having a two wall peripheral flange adapted to engage with the walls of the body portion, one of said walls being adapted to be received in said channel between the reverse folds of said reinforcing flange, tongues formed by slits in the outer wall of the flange of the head, the outer fold of the body portion being provided with openings through which said tongues are adapted to be passed and with depressions on its outer side and located above said openings in which saidtongucs are received when passed through said. openings and folded up against the outside of the body portion.

JOHN J. CAIN.

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