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Publication numberUS2561596 A
Publication typeGrant
Publication dateJul 24, 1951
Filing dateJun 5, 1947
Priority dateJun 5, 1947
Publication numberUS 2561596 A, US 2561596A, US-A-2561596, US2561596 A, US2561596A
InventorsRieke Irvin H
Original AssigneeRieke Metal Products Corp
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Container nestable and contractible pouring spout
US 2561596 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

y 1951 1. H. RIEKE 2,561,596

CONTAINER NESTABLE AND CONTRACTIBLE POURING SPOUT Filed June 5, 1947 2 Sheets-Sheet 1 ul 24, 1951 1. H. RIEKE 2,561,596

CONTAINER NESTABLE AND CONTRACTIBLE POURING SPOUT Filed June 5, 1947 2 Sheets-Sheet 2 Patented July 24, 1951 CONTAINER NE'STABLE AND CONTRACTIBLE q POURING SPOUT Irvin H. Rieke, Auburn, Ind.,' assignor to Rieke Metal Products Corporation Auburn, Ind., a

corporation of Indiana Application June 5, 1947, Serial No. 752,707

8 Claims. (01. 222-527) This invention relates to an extensible and contractible flexible pouring spout structure normally inestable in'a "container and mounted in *annpening therein and whichspout is of sealmg or scalable type. I

Thech'iefzobject of the present invention is to provide a spout ofthe aforesaid type andmountablewithin a container, or a' portion thereof, by

hand or machine as desired and at the time of container manufacture or subsequently, as for example, after a container is filled and the lid isto-be applied thereto. I i

The chief feature .of the present invention resides in peripherally anchoring :in an opening in a. container or a part thereof or in immediate proximity to that opening a flexible collapsed spout structure wihichiis normally nested wholly within the :container and is extensible therefrom for pouring purposes.

Another feature .ofthe present invention is that such spout is of sea-led, semi-self sealing or scalable type.

A further feature of the present invention is that one embodiment is capable of faucet replacement on a barrel for the dispensing of antitreeze liquid or the like.

Other objects and features of the invention will be set forth more fully hereinafter.

The full nature of the invention 'will be understood from the accompanying drawings and the following descriptionand claims: I

In the drawings Fig. 1 is a top plan view of a portion of a conventional cover or lid for a conta'iner and with ioneformof the invention applied thereto. i i i i Fig. 2 is a central sectional view of the same form applied to :a somewhat similar lid or cover, dotted lines indicating the extended position of the spout, the inventionherein being shown associated with a cap seal.

Fig. 3 is a central sectional view through a portion of a "modified .form of the invention prior to mounting and having a cap sealingclosure applied to the pouring end.

Fig. '4 is a central sectional view of a steel barrel applicationoof the invention, the barrel fixtures being of the Rieke type.

.2 Fig. 8 is a central sectional view of a modified form of the invention applied to a cap sealed opening in a container, dotted lines indicating the extended position. i

Fig. 9 is a top plan view of a slitableclosed' end of a pouring spout embodying the invention. dotted lines indicating where the slit maybe made. l In Figs. 6 and "7 the anchorable end of thespout is intentionally omitted for it :may be of the type shown in Figs. '2, 4, 5 or 8, as desired or required. I

In Figs. 3, 4, 5 and 8 the central sections'are not extended since Fig. '2shows the opposite side to be adup1icate in reverse of that illustrated.

Fig. l0 is a 'centralsectional view of a moditied and the preferred form of the invention. parts being shown in' the collapsed and shipping or storage position.

Fig. 11 is a similar view oi. the sameform with l the parts in extended position, certain parts *being removed to permit subsequent dispensing; dotted lines indicating the non-dispensing pos'ition. i

In Fig. 1 of thedrawings Ill indicates the de tachable lid or cover of'a containerhaving a pouring spout H applied to opening l2 therein, said lid having a peripheral groove formation13 with radial, apertured tongues 14.

'lnFig. 2, [5 indicates a detachable lid or cover defined by a reversely grooved peripheral port- 1 tion lfihavingradial, apertured tongues ll. The

opening T8 in the lid is definedby outwardly and laterally directed portion l9. Seated in said opening is the anchoring flange 2!! of the outer portion 2| of the pouring spout. An internally grooved head 22 rests upon the outer edge of portion I 9. Aclamping ring 2'3 secures the same together in leak-proof relation. This ring is of light metal and is readily deformed by a hand operable crimping tool or a crimping tool supported and operated by a power operable press,

Fig; ;5 is a similar view of a steel barrel application of the invention, the barrel fixtures beingnf the American Flange type.

Fig. 6 is; at central sectionalview of. a portion of a faucet replacing-embodiment ofthe .invention, the parts being shown in the collapsed position. I i i Fig. 7 is a similar view of the same embodiment in the extended position, dotted lines indicating the cut-off condition.

depending upon whether the spout is applied in the field or at the factory at the time of container formation, respectively.

Herein the outer portion 2 is of tapered cup like form and disposed wholly within the same is the oppositely tapered inner portion 24, the two being connected at the closest adjacent ends by integral shoulder-like formation or portion '25. Thesmaller endof the innerportion is closed by integral portion 26.

Whenever desired or required a cap seal 21,

having gripping vflange 2.8 engaging and looking .to anchor .ring 23 maybe applied. This prevents accidental extension of the spoutsh'ould the .container be disposed upside down in "transit or storage. Of course, when the container contents are to be used the cap seal aforesaid, which has been applied by a crimping tool, must be removed.

The inner ="portion of the spout isdisposed as shown in spaced relation to the larger and anchored outer portion, the spout when nested I A cap seal similar to that shown at 21-28 may forming an outwardly opening channel 29. The

thumb and fingers are inserted therein and the smaller end gripped therebetween and pulled out wardly about the connecting intermediate shoulder portion or formation 25. In this operation, the latter portion is inverted. The-parts, when the spout is extended, assume the position as shown by dotted lines in Fig. 2.

For pouring purposes the end 26 may be slit or be applied to the socket 39 and now standard barrel construction.

In Fig. 5 there is illustrated the invention applied to'the conventional steel'barrel or drum equipped with conventional fixturesof another type. Herein 43 indicates the barrel metal, 44

ime socket thereof, 45 the flange (of drop in type),

46 the gasket, 41 the bung or plug, and 4B the reversed anchoring portion on the flange for socket mounting and gripping purposes.

l Herein the tubular spout includes the outer fbeaded end 49 and the metal clamping ring 50 anchors the spout to the portion 48 as illustrated.

the end may be cut out. or cut off as desired.

When pouring is completed, portion 24 is again gripped and forced inwardly,'the portion 2| also being similarly forced inwardly accompaniedby reversal.

Certain synthetic rubber materialsare petroleum product resistant. Also certainplastic mater-i als are resilient and flexible. Thus the invention may be comprised of any suitable material compatible with the purposes hereof and duly resistant to the contents of the container.

" Dotted lines herein indicate the ring portion prior to crimping upon portion 43. As before the 'spoutis like that shown in'Fig. 2 but can be of the type shown in Figs. 3, 6 and '7, or Fig. 8 as desired or required. I W

Wherf bar'rels are loaded with alcohol'or anti-w freeze'solutions itis customary to remove the; plug orbung 42 or 41 in Figs. 4 or 5 respectively;

- and screw into the flange a faucet. F'Ihebarrel The presentinvention obviously provides a seal for "a container which inthe form so far disclosed is of tamper indicating type. It also provides a plug or closure. It furthermoreprovides an extensible and collapsible pouring spout.

In Fig. 3 there is illustrated a second embodi-. ment of the invention andsame, as the firstform includes the outer portion 30, the flanged outer end 3!, the inner portion 32,'the connecting integral portion 33 and the clamping and anchoring light metal ring 34.

Herein the two portions '30 and 32, are oppo-,

sitely tapered and the smaller end of portion 32 isexternally beaded as at 35. Secured thereon is a suitable cap type seal of light metal ora thus equippedis mounted so the faucet. is;disposed-.at 'ornear the lowest end so the contents can be drawn off intermittently by. the service:

station attendant. 1, One form of the present invention readily'lends I itself to faucet use with this advantagethat there is no projecting faucet to constitute'a-potential: accident hazard. This form of the invention'is shown in Figs. '6 and 7 and since it is equally ap plicable tothe barrels shown in Figs. 4 and 5, the

material the same as that of which the spout is made. :36 indicates the closure portion and 31 indicates the anchoring rim or flange.

In'this embodiment removal of the cap type seal immediately exposes the open end of the spout. This cap type seal may be of finger applied type or crimping tool applied type. In the latter event it and bead 35 may be severed from portion32. In the former the seal can be applied and removed at will as often as desired.

Extension and collapse of this spout is effected as previously described.

I Reference will now be had toFig. 4 wherein there is illustrated an example of a steel barrel or drum provided with conventional fixtures anchoring portions of the combination spout and.- faucet structure is intentionally omitted. 0b; viouslythis embodiment may be mounted on lidsor covers as well, as shown in Fig. 2, but its great-* est application is as previously stated;

' In Figs. G and-7; 5! indicates an outer tapering portion connected by intermediate integral p'or-a tion 52 to inner oppositely tapering portion 53.

The smaller end 'ofsthe latter pr'eferablyis closed as at 54 but same'may be omitted or this end may be formed as shown at 35 in Fig.3 and closed by a light metal seal. I I 1 The modification shown in Figs. 6. andv 7, however,-is intended'to show the application .of a cutoff device herein shown in the form of a tube 55 externally applied to'the inner-portion 53 intermediate its ends and suitably anchored or secured thereto, see bead 55. r This tube is slotted asat 51. Intel-posed in the slot is the pivotal portion 58 of a clamp member having finger piece 59 with curled free end 60 and arm 6| with curved clamping end 52. It-will be remembered' that the spout provides an ex;

modified as required herein and as'hereinafter pointed out. I I

,; In Fig. 4, 38 indicates the barrel portion having socket 39 formed therein to clampingly engage and seat the internally threaded flange '40.

Gasket 4| and bung or plug 42-completie the standard structure.

Herein flange 40 includes onits inner .end an outwardly directed lip 40 To this lip is anchored by a crimping tool the outer end of the outer portion of the spout structure by clamp ring 40 Dotted lines indicate the ring prior to tool deformation into anchoring portion. 'For purposes of illustration the spout structure is illustrated as that shownin Fig. 2 but it may partake ofthe'form shown in Figs. 3, 6 and '7, or Fig. 8

. that opposite sides of inner portion 53 have in terior contact, the same being crescentv like in a's'found most expedient or desirable, the. purpose of illustrating Fig, 4 being solely to show steel barrel application for alcohol, gasoline or 01 1.1 6-

' cut-off position as shown in Fig. 61

section. When the member 58--62 is so disposed the curled back edge of portion 63 does not cut the surface of the spout. Also finger piece 60 does notcut the spout. It may be of such size that the same contacts the outer wall defining channel 63 so that outer portion -5 news the rneinbe'rin the aromas 5. When the barrel or drum'iis properly posi tioned and the screw plug-aforesaid removed, the end 54' may be diametrically slit as indicated in Fig. 9, or cutoff or a piece out out or-i'f terminated as shown in Fig. 3, cap 36 t is removed. Then with member '54 still in out-off position the spout is extended, as illustrated in Fig. 7, and as pre-.

viously described, for dispensing purposes.

This is then effected by moving the cut-off member from the position shown in Fig. 6 'to the position shown in Fig. "7, reference being had to the full lines only and the relative position of that member to the slotted tube. If desired the cut-off member may be permanently and positively pivoted to slotted sleeve 55.

When dispensing the requiredminor amount is attained, the cut-off member isreturned to cutoff position. When the drum is positioned so that the spout, when extended, projects in a pathway, the spout can be renested or collapsed into the container, which event the cut-off member is constrained to and held by the outer portion inthe said cut-ofi position. .Thus the nested faucet type spout is not a potential accident hazard.

Reference will now be had to Figs. 8 and 9. Herein a further modified form of the basic embodiment of the collapsible and extensible spout is illustrated. This form, however, does not require inversion of a portion thereof for .extension. Otherwise expressed. this form is not of telescopic type, that is,-one part of the spout lcloes not telescope appreciably into another part thereof.

In Fig. .8, M indicates a. cover or lid or aportion of a drum or keg having opening defining portion M with reversed flange 55. The spout herein includes closed end 65 at the .outer end of bellows portion 6?! connected at .58 to the inner end of the outermost portion -69, shaving portion 'lrflsecured to flange Baby clamp ring 1 l.

The .full lines in Fig. 8 illustrate the container nestable spout in the collapsed position. Itma he suitably retained therein by cap seal I: havingflange 13 crimped to the portion e4 as shown. Qbviously the .ke etc... chime, not shown, preferably projects beyond the outer plane of portion 64 so that the cap l2-l3 does not project beyond the outermost plane of the adjacent chime.

When the canals removed, the .constraintis removed, and the spoutautomatically extends to the dotted line positionin Fig. 8. 56 may then be slit along dotted line 74, seoEig, .9. The outer end of the bellows portion 61 obviously may be cap sealed :as shown in Fig. 3,.i1f desired. When the slitend is utilized, this constitutes a semi-sealed end. Compression of the junction between portions .5 and 169 will effect opening end portion 65 atsl-it 'Mior rapid-discharge. Release of such compression will promptly result in the end closing because escape pressure on end 66 will tend to effect sealingbetween the adjacent walls formed by the slit 14. l

Reference will now be had to Figs. ,llland 11 wherein the preferred form of the invention is illustrated. Therein indicates the container shellor Llid having opening defined by-fiange T1. The flexible spout. includes the inner irustoeonica'lportion l8 united at 1.9 to the outer frustoconical portion an having the anchoring bead formation Bil. The .slopes.are of opposite charactor. A clamping ring 82 has its inner and router flanges 83 and 84 disposed in clamping association to grip therebetween flange 11 and bead 6 8!. The inner flange has inner extension :85. while the junction between head 81 .andportion 80 provides shoulder '80. Disposed therebetween is :a parafilned paper board cap .86.

This waxedpaper cap bears upon a light metal dust cap having central portion 81, side wall 88 and outer flange 89. The .dust cap "is nested in the outlet end ofthe inner conical member 18. This dust cap has iits flange .39 hearing 1011 the :discharge end 9d of :member 713. .A sealing memlerane .iil is disposed across member it between the ends. As herein illustrated the dust cap "bears on this membrane. Thus the collapsible spout can be held in nested relation under slight or greater pressure by the parafilned cap.

When dispensing is desired, if no exterior seal be employed, the paper cap is cut out, the dust cap removed and then the membrane out outor lit a shownin Fig. .9. The spout is then extended for pouring purposes,see Fig. 11 full lines. When further dispensing is not immediately desired, the dust cap is reapplied. To prevent accidental discharge the spout is then collapsed, see dotted lines inF'ig. 11.

While theinvention has been illustrated and described in great detail in the drawings and foregoing description, the same is to be considered as illustrative and not restrictive in character.

The several modifications described herein as well as others which will readily suggest themselves to persons skilled in this art, all are consideredto be within-the broad scope of the invention, reference being had to the appended claims;

The invention claimed is l 1. In combination with a liquid container having a top portion provided with an. annular filling openings ended by upstanding tilange, the combination therewith of a self-contained seal nd pouring spout assembly for said opening adaptedto be applied thereto after the ton tainer filled with liquid, said assembly incl-Lid": ing .a pouring spout structure comprising tubular body of flexible and self-sustaining material.

0 having an enlarged cup-likebase portion terminatingin a reducedshoulder from which extends a tubular elongated spout portion of less diameter thansaid base portion and normally nested therein, the material forming. said base portion b.e-. ingsu'fficiently flexible so that it can be rolled over upon itself axially to an inside out position carrying said spout portion from its inwardly.

nested position therein to a position extending outwardly therefrom, a removable closure for the free end of said spout portion, and a clamping and sealing ring secured in sealing relation with the open end of said cup-like base portion adapted. to be applied to the flange of said container and fixedly secured thereto in sea-ling relation after filling of the container. l

'2. In combination with a liquid-container having a top portion provided with an annular filling opening surrounded by an upstanding flange, the combination therewith of a seli contained seal and pouring spout assembly "for said opening adapted to be applied thereto alter the container is filled with liquid, said assembly including a pouring spout structure comprising a tubular body (of flexible and selfasustain'ing material :hava

. ing an enlarged cup-like base portion terminat ing in .a reduced shoulder from which extends a tubular elongated spout portion normally nested therein, said baseportion being adapted to roll over upon itself "to an inside out position carrying said spout portion from its inwardly nested position therein to a position extending outwardly therefrom, a" removable closure forthe free end of said spout portion, a clamping and sealing ring secured in'se'aling relation with the open end of said cup-like base portion adapted to be applied to the flan'ge'of said container and fixedly secured thereto in sealing relation after filling of the container, and "a removable metal cap secured over said. pouring spout structure and removably locked "to said clamping and sealing ring when said spout is in its nested position.

. '3. A sealing closure for a container having an opening therein defined by an upstanding exteriorly grooved flange, including a flexible self restoring and resilient tubular pouring spout having an intermediate annular shoulder which divides it into an inner and outer portion, the inner portion including an enlarged anchoring end comprising *an outwardly extending gasket portionseatable over said flange, said spout being generally tapering from the anchoring end outward toward its other end and invertible about its gasket portion, the material forming the inner portion being flexible so that it can be rolled upon itself axially to a position wherein the outer portion is whollydisposed inwardly 'of said enlarged anchoring end with the outer portion nested within the inner portion, or, alternatively, to a position where said outer portion is wholly disposed outwardly of said inner portion with thespout extended, and a locking ring U-shaped in cross'section having outer and inner walls carrying a bridging wall therebetween, the lower edge ofsaid-outer wall being inwardly turned into clamping'engagement with the groove of said flange, said bridging and inner walls engaging and compressing said gasket portion into sealing engagement with said flange.

4. A pouring spout structure comprising an elongated tubular body of self-sustaining mate' rial diminishing in diameter from one end to the other, the larger end of said body being open and providing an inner attaching portion and an outer reduced endportion providing the spout, an intermediate annular shoulder dividing said inner attaching portion from said outer reduced portion, the material'forming said inner portion being flexible so that it can be rolled upon itself axially to a position wherein the outer portion is wholly disposed inwardly of the inner portion with the outer portion of said spout nested within the inner portion and both of them being substantially wholly disposed on the inner side of said attaching portion, or, alternatively, to a position where said outer portion is wholly disposed outwardly of said inner portion with the spout extended and substantially wholly disposed on the opposite side of said attaching portion.

5. A pouring spout comprising a tubular body diminishing in diameter from one end to the other and adapted to have its larger end aflixed in sealed engagement with a container, the material forming the portions adjacent the larger end being flexible so that it can be rolled upon itself axially to a position wherein the smaller end is wholly disposed inwardly of the larger end, with the smaller end of said spout nesting within the larger end, or, alternatively, to a position Where said smaller end is wholly disposed outwardly of the larger end with the spout extended, an intermediate annular shoulder dividing the larger end portion from the smaller end portion, said larger end portion being of self-sustaining material to maintain itself in either of said positions, and

the smaller end portion being of" substantially rigid non-flexible material 6. A pouring spout comprising a tubular body, diminishing in diameter from a larger end to a smaller end and open at its larger end, an intermediate formation dividing said larger end from said smaller enclto provide inner and outer por tions respectively,. the material forming the wall of the larger end portion being sufiicientlyflexible to roll upon itself axially to a position where-:, in the smaller end portion is wholly disposed in-- wardly of the larger end and nested within said larger end portion, or, alternatively, to a posi-' tion where the smaller end portion is wholly dis-- posed outwardly of the largerend portion with the spout extended, said tubular body being sufliciently rigid to maintain itself in such alternative positions.

7. A self containing pouring spout assembly including a supporting ring, a pouring spout comprising a tubular body of flexible material dimin ishing in diameter from one end to the other and having an intermediate annular shoulder dividing said body into a larger inner portion and a smaller outer portion, the larger innerlpor l tion of said body being secured in sealed engagement with said ring, the said outer portion of said body being of less transverse diameter than the said inner portion thereof, the'material form ing the inner portion being flexible so that it can be rolled upon itself axially to a position wherein the outer portion is wholly disposed inwardly of the inner portion in nested relation, or, alternatively, to a position where said outer portion-is wholly disposed outwardly of said inner portion -with the spout extended, said tubular body being sufficiently rigid to maintain itself in said extended position beyond one side of said ring and to also maintain itself in extended position beyond the opposite side of said ring.

8. A self containing pouring spout assembly comprising a supporting ring, a tubular body hav ing a wall of flexible material and diminishing in diameter from one end to the other, an inter: mediate annular shoulder formed in said body dividing said body into an inner portion of larger diameter and an outer portion of smaller diam: eter, the larger end of said inner portion being secured in sealed engagement with said ring, the wall of the inner portion of said body between said ring and shoulder being of flexible material to permit the same to be rolled upon itself axially to a retracted nested position yet sufficiently rigid to maintain the outer portion of said body substantially within the plane of said ring when in its said retracted nested position, and capable of being rolled upon itself axially to project and maintain said outer portion beyond said ring in spout extended position.

IRVIN H. RIEKE.

REFERENCES crrno The following references are of record' in the 2,034,739 Bodor Mar. 24,

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Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2661128 *Feb 18, 1949Dec 1, 1953Rieke Metal Products CorpTamper and seal proof flexible pouring spout
US2718985 *Aug 4, 1954Sep 27, 1955Monitor Process CorpMilk dispenser
US2723060 *Jan 5, 1953Nov 8, 1955Rieke Metal Products CorpContainer and closure comprising a pouring spout therefor
US2736469 *Apr 15, 1952Feb 28, 1956Stone Ashton KSealing and pouring closures
US2771221 *Jan 2, 1953Nov 20, 1956Lining Components LtdLiquid container
US2773631 *Jan 16, 1952Dec 11, 1956Bryant Paul MMeasuring and dispensing devices for containers
US2795362 *Sep 6, 1955Jun 11, 1957Monitor Dispenser Co IncMilk dispenser and outlet unit therefor
US2804242 *Jul 7, 1955Aug 27, 1957Borah John EContainer spout and gasket combination
US2832515 *Sep 13, 1955Apr 29, 1958George BarradasSealing unit
US2898014 *Aug 1, 1956Aug 4, 1959Borah John ECombination extensible and foldable vent and spout for containers
US2898018 *Oct 26, 1955Aug 4, 1959Borah John EContainer spout
US3015418 *Jul 9, 1958Jan 2, 1962Hornston Joseph SPouring spout
US3040938 *Feb 17, 1958Jun 26, 1962Rieke Metal Products CorpVented pour spout
US3042271 *Jul 30, 1959Jul 3, 1962Hedwin CorpContainer with retractable projectable spout
US3204827 *Apr 1, 1963Sep 7, 1965Adam KrautkramerSpout seal
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US4294382 *Jul 26, 1979Oct 13, 1981Riche CorporationContainer closure device
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US4320861 *May 12, 1980Mar 23, 1982Rieke CorporationMolded plastic tamper-proof cap with pull ring and tearable membranes
US4555048 *May 16, 1984Nov 26, 1985Rieke CorporationVented nestable pouring spout
US4618078 *Aug 22, 1984Oct 21, 1986Rieke CorporationVented nestable pouring spout
US5256225 *Jan 13, 1992Oct 26, 1993Royal Packaging Industries Van Leer B.V.Pail closure application method
US7614530Jun 12, 2006Nov 10, 2009Rieke CorporationClosure assembly having a spout with a memory band for spout directing
US7789277May 7, 2009Sep 7, 2010Rieke CorporationClosure assembly having a spout with a thicker band for spout directing
US8292133Nov 3, 2009Oct 23, 2012Rieke CorporationVented closure assembly for a container
US20110049196 *Feb 27, 2008Mar 3, 2011Ron SturkClosures for plastic containers adapted for automated insert molding
US20120085794 *Oct 6, 2010Apr 12, 2012Letica CorporationCollapsible spout for a container and method of manufacture thereof
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DE3014208A1 *Apr 14, 1980Feb 19, 1981Rieke CorpBelueftungsvorrichtung fuer verschlussdeckel
DE3014689A1 *Apr 16, 1980Mar 26, 1981Rieke CorpVerschlussvorrichtung fuer behaelter
EP0319005A2 *Dec 1, 1988Jun 7, 1989Heinrich Stolz GmbH & Co KGContainer provided with a closure
WO1994014588A1 *Dec 21, 1993Jul 7, 1994Sdt Technologies IncClosure for dispensing produce from a container
Classifications
U.S. Classification222/527, 215/354
International ClassificationB65D47/06
Cooperative ClassificationB65D47/063
European ClassificationB65D47/06A1