US2719662A

US2719662A - Fibre container

Info

Publication number: US2719662A
Application number: US276552A
Authority: US
Inventors: Robert D Minteer; Lester B Leighton
Original assignee: Greif Bros Cooperage Corp
Current assignee: Greif Inc
Priority date: 1952-03-14
Filing date: 1952-03-14
Publication date: 1955-10-04
Anticipated expiration: 1972-10-04

Description

Oct. 4, 1955 R. D. IMINTEER ET AL FIBRE CONTAINER 2 Sheets-Sheet 1 Filed March 14, 1952 IIIIIIIIIII INVENTORS M 2 MW? M fi 1J4 wp A,

F HHHIWIHHIIHIH FITTORNEYS Oct. 4, 1955 R. D. YMINTEER ET AL FIBRE CONTAINER United States Patent f) FIBRE CONTAINER Robert D. Minteer, Webster Groves, andLester B. Leighton, Clayton, Mo., assignorstmThaGreif Bros. Cooperage- Corporation, Delaware, Ohio, ar corporation; of.

This invention relates. to.an improved. fibre. drum or container.

Fibre drums and-containers are. characterized .by a:tu-

bular body portion made ofconvolutely wound, layers-of. Drums: and. containers :of;

kraftor similar. fibre board. this type are frequently used forbnlleshipments .of chem: icals, raw materials. or the. like.- As. originally. shipped from the manufacturer, acertain type. oflabelling isrer.

quired or desired on the outer surface-ofthe. container. In the course of merchandising the materials, it is frequently necessary or desirable tochange the labelling. This procedure has required the use. ofextraneousdabelling which impairs the appearance-of the container or hasrequired reprinting, repainting. orotherwise mutilating the surface of the container.

Itis an object ofthe present invention to. overcomethese difiiculties and disadvantages. and to provide any improved fibre drum or. container having aremovable sheath encasing the body portion and presentingthe same:

appearance as the surfaceof the container.to which.the original marking or labelling may be applied. Thereafter, during the course of merchandisingor using theproduct, the sheath may be readily removed when re labelling is required, or desired, without impairingthev appearance of the container so as to expose the. surface of the body of the container.

A further object is the provision of. a: fibre. drum or container havingan improved removable. sheath, of: the.

above character whicliissecured in position and assem; bled with the drum in an improved'fashion so as -.to.:sim-.

' locking rim removed, showing the sheath in the process of being removed from the drum;

Fig. 3 is a side elevational view of the assembled drum after the sheath has been fully removed;

Fig. 4 is a detailed sectional view of the upper portion of the drum after the sheath has been removed;

Fig. 5 is an elevational view partially in longitudinal section showing the assembled drum in its original condition with the sheath applied thereto;

Fig. 6 is an enlarged sectional detailed View, with the central portion omitted, of one side wall of the drum in its original condition with the sheath applied thereto; and

Fig. 7 is a cross-sectional view in the direction of the arrows on the line 77 of Fig. 5.

Our invention is applicable to fibre drums or containers. The expression fibre drums or containers is used in the trade to designate containers having a tubular body made from laminated layers of convolutely wound fibre material such as kraft board. The body portion of the drums aregenerally formedby,windingkraft. or fibre board, to, whichan adhesive. or resinhas been.

applied, around a mandrel until a drumbody of :the re quired-strength and thickness: has .been.formed.

In the accompanying drawings we.-ha ve illustrated ourv invention as appliedto one type of fibre drum-or con: tainer. having a tubular body portion 1 0 .with;a. bottom.

The body of the containeris tubular in formandhas a. side wall 15 formed oflaminated'convolutely wound;

layers of kraft or fibre board.

The bottom closure 11 consists-ofa metal disc'16- which may havea non-metallic. sealer-gasket 17 on. the.

inner surface thereof. The metaldiscand non-metallic.

gasket extend downwardly as .shown in Fig. 6, over. the lower. end of the container wall and then are extended outwardly into beaded interengagement with the body-v Wall; The. interengagemen-t may beaccomplished in-the manner taughtin patent applicationSerial No. 99-,476 of Herbert.L., Carpenter filed June/.16, 1949., for Fibre Drums,HavingMetalClosures and-Method of Making the .Same, by flaring the lowerendv of the body wallouta wardly. before the. adhesive hasv set andwhile the larni nated wall is stillworkable and, thereafter applyingthe metal disc and gasket and rolling them inwardly with the flarfid end 1 of the laminatedfbody Wall into a tight, beaded interengagement. It will be understoodofcourse that any other type of bottom closure may be usedwith the drum.

Near its. upper-end, the body wall 15 is .deformedor beaded inwardly as shown at 19 so as toprovide an internalrib. and an external gtQQve in registry witheach otherspaceda short distance beneath the pp'er end of the container. The binding or reinforcing rim 12 preferably takes the form of a. metal sheet or strip tightly embracing the outer surface of the upper end of the body walland fitted tightly into the groove asshown. It isalso extended-overthe top surface, ofthe bodyportion and crimped inwardly as shownatlflin Fig. 6 so thatthe crimping 2.0. and the, interengagementwith. the groove.-

serves. to. hold the binding or riminplace.

The removable head or closure l3 may be of any desired type embracingresting on, .or. fitting into the upper end of the container. In the illustrated embodiment the head takes the form of a wooden portion 13 fitted into the upper end of the container and resting on the internal rib and a supplementary head or gasket 21. made of strong-papenfibre board; plastic or metalextending over the inner surface ofthe wooden h'ead thence upwardly over the top surface of the body wall and downwardly for a short distance over the outer surface of the side wall as shown most clearly in Figs. 4 and 5.

The split clamping ring 14 is in the form of a split metal band of a size to embrace the end of the container body with its two ends in overlapping relationship. Locking rims of this type are shown in prior Patent No. 2,382,858 of Herbert L. Carpenter granted on August 14, 1945, and are provided with an apron portion 22 which engages in the external groove and with an inturned flange 23 which overlaps the head or closure 13. The interengagement between the clamping ring and the external groove together with the overlapping of the head serves to hold the closure in place. The clamping ring may be expanded to release it or contracted to lock it by means of lever 24 which extends between the two overlapping ends of the locking ring 14 and is pivotally Patented. Oct. 4,, 1 .95

connected at 25 and 26 respectively to the two ends of the ring. When the lever is in horizontal position the ring is contracted and when the lever is elevated the ring is expanded. The pivotal pin 25 is positioned past center with respect to the pivotal pin 26 so as normally to retain the ring in contracted or locked position. A small strap 27 may be struck outwardly from the surface of the ring to interengage with the hooked end portion of the lever 24 when it is in locked position. When the lever is in horizontal position and in engagement with the strap 27 the ring is contracted and will serve to retain the cover in place.

The drum as heretofore described is one type of drum to which our invention is applicable but it will be understood that our invention may be applied to other types of convolutely wound fibre drums and containers.

Our invention resides primarily in the provision of a sheath 30 embracing the body wall and preferably taking the form of a layer of fibrous material similar to the kraft or fibre board from which the body wall is made. The sheath is preferably free from any direct attachment by adhesives, nails, staples, rivets, or the like with the side wall. It is held in place by being tightly extended around the body wall with the two edges in overlapping relationship as shown at 31. The sheath is applied to the body wall before the binding or protecting rim 12 is secured in place and extends from approximately the upper portion of the external groove downwardly to a point immediately adjacent the bead.

18. When the binding or protecting rim 12 is applied to the upper end of the container and secured in place it embraces the end of the sheath as shown at 32 thereby frictionally holding the sheath in place.

When the drum is completed the sheath 30 presents the same appearance as the outer surface of the container body and the casual observer would not realize that the drum was provided as an extraneous sheath.

Suitable labelling or printed matter may be applied both to the surface of the drum body 15 and to the surface of the sheath 30. The labelling material and information contained on the sheath 30 may be applicable to the initial shipment and merchandising of the contents of the container, whereas the labelling appearing on the surface of the body 15 may be applicable to subsequent merchandising operations or to the use of the product. When the labelling appearing on the outer sheath has served its purpose the sheath may be slit longitudinally from the lower edge of binding 12 to the bottom of the sheath and thereafter pulled outwardly so that it tears along the lower edge of the binding 12. In this fashion the edge of rim 12 serves as a cutting edge in the nature of a straight edge or paper knife along which the sheath is severed. Under certain circumstances the sheath may fit loosely enough beneath the binding 12 so that it may be completely removed from beneath the binding. However, in other cases the binding frictionally grips the sheath and the sheath is severed along the binding, leavby the other set of markings.

ing the upper edge of the sheath beneath thebinding as shown at 32 in Fig. 4.

In those cases where the locking ring 14 extends downwardly beneath the lower end of binding 12 it may be desirable to remove the locking ring 14 before severing the sheath. Thus, in Fig. 2 the drum is illustrated with the locking ring removed and with the sheath in the process of being severed along the lower edge of binding 12. After the sheath is removed the drum continues to present the same complete appearance as it originally presented with a ditferent surface exposed on which new and additional labelling is or can be displayed.

I It will thus be seen that we have provided an improved drum or container having a tubular body made of laminated convolutely wound layers of fibrous material having an encasing sheath presenting substantially the "same appearance as the surface of the tubular body and which can be readily removed to expose the body surface. It will also be seen that suitable indicia, markings or labelling material may be applied both to the body surface and to the sheath so that one set of markings is originally displayed and when desired can be readily replaced Modifications may of course be made in the illustrated and described embodiment of our invention without departing from our invention as set forth in the accompanying claims.

We claim: 7

An improved fibre drum comprising: a tubular body portion made of convolutely wound laminated layers of fibrous material; a'bottom closure secured to the lower end of the body portion; a metal binding strip tightly embracing the outer surface of the upper end of said body portion; and a sheath made of a layer of fibrous material substantially similar to the material of the body portion tightly surrounding the body portion with its longitudinal edges secured to each other in overlapping relationship and with its upper edge positioned between the binding and the body portion so as to be frictionally held in position with the remainder of the sheath being free from attachment to the body portion, said sheath extending from the binding strip to a point adjacent the bottom closure so as to present the same external appearance as the body portion of the drum and said metal binding presenting a relatively straight cutting edge along the lower surface thereof whereby the sheath may be readily severed along the binding to be removed from the drum.

References Cited in the file of this patent UNITED STATES PATENTS 223,949 Preater Jan. 27, 1880 1,974,401 Miller Sept. 18, 1934 2,188,497 Calva Jan. 30, 1940 2,290,536 Chamberlain July 21, 1942 2,337,656 Haycock Dec. 28, 1943 2,614,349 Barnes Oct. 21, 1952