EP0459124B1 - Wide-mouthed barrel - Google Patents

Wide-mouthed barrel Download PDF

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Publication number
EP0459124B1
EP0459124B1 EP91105996A EP91105996A EP0459124B1 EP 0459124 B1 EP0459124 B1 EP 0459124B1 EP 91105996 A EP91105996 A EP 91105996A EP 91105996 A EP91105996 A EP 91105996A EP 0459124 B1 EP0459124 B1 EP 0459124B1
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EP
European Patent Office
Prior art keywords
barrel
region
barrel body
wall
diameter increase
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP91105996A
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German (de)
French (fr)
Other versions
EP0459124A1 (en
Inventor
Dietmar Przytulla
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mauser Werke GmbH
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Mauser Werke GmbH
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Publication date
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0233—Nestable containers

Definitions

  • the invention relates, according to the preamble of claim 1, to a large-volume, wide-necked container for transporting, in particular, dangerous liquid or solid filling goods with a jacket flange arranged at the upper filling opening or in the vicinity thereof on the outer wall of the barrel body for gas and liquid-tight fastening of a standard barrel lid by means of an overarching clamping ring.
  • Such standard-lid drums are generally known (see, for example, DE-A-2 544 491) and are used, for example, in the large chemical industry on the basis of test approvals for various drum sizes (for example 30, 60, 120 or 220 l capacity) for a wide variety of filling goods .
  • These lid barrels usually have a slightly smaller barrel diameter in the upper and lower barrel area and the largest barrel diameter in the middle barrel area, so that empty lid barrels, especially when shipping overseas, cannot be stacked in large numbers and therefore also cause high freight costs due to the large cargo volume.
  • the wide-necked container according to the invention can be optimally stacked into one another for transport purposes and therefore requires considerably less cargo space than transport containers of the same size that cannot be stacked one inside the other. Due to the step-wise increase in diameter, the upper barrel, each stacked in a lower barrel, can be supported on the upper barrel edge of the filling opening of the lower barrel, so that several barrels stacked one inside the other are prevented from wedging into one another almost inextricably or only with great effort by two operators can be lifted off.
  • this barrel according to the invention is excellent for optimal residual emptying, suitable for possible cleaning work and for purposes of reuse or multiple use.
  • this non-generic rain barrel is a stationary container and is not suitable for transporting particularly dangerous liquid or solid contents, since the barrel is also not securely closable.
  • the uppermost edge of the filler opening is flanged outward at almost a right angle and forms the support for a barrel lid that dips into the barrel opening and is supported on the flange edge, this barrel lid cannot be liquid-tight on the barrel opening by means of a clamping ring due to the lack of sealing options and differences in diameter of the barrel flange and lid rim be fixed.
  • the lid has a central inlet opening that cannot be closed for the rainwater to be collected and, moreover, only serves to prevent particles such as leaves from falling into the barrel.
  • Reference number 10 in FIG. 1 denotes the barrel body of a large-volume wide-neck container (lid barrel).
  • the barrel body 10 has a smaller diameter in the area of the bottom 18 than in the area of the upper filler opening 16, it being provided with a step-wise stepped diameter enlargement 12 in the area of its upper third, and the barrel wall 14 of this diameter enlargement 12 runs from steady and straight to the upper barrel opening 16.
  • the upper area of the barrel body 10 above the step-shaped diameter enlargement 12 - with a length less than or equal to a quarter of the total barrel height - is cylindrical up to the barrel opening 16, while the area of the barrel body 10 below the step-shaped diameter enlargement 12 down to the barrel bottom 18 is continuously tapered.
  • the barrel bottom 18 is for better stability and to balance e.g. internal overpressure in the center of the bottom is convex or concave.
  • the increase in diameter 12 from the smaller to the larger diameter of the barrel body 10 is three to six times, preferably about four times the thickness (thickness) of the barrel wall 14.
  • the wall thickness is one made of plastic manufactured barrel about 4 mm, while the thickness of the barrel wall of a 220 l plastic barrel is about 6 mm.
  • the stepped diameter enlargement 12 is preferably formed by an obliquely conical shape of the barrel wall 14 in the transition area.
  • the standard lid 22 has an inner lid ring which engages in the barrel fill opening 16 and an outer rim which overlaps the barrel top edge 24 and has an outer flange 26 which extends essentially radially therefrom.
  • a sealing ring 28 is arranged which, when the cover 22 is clamped by means of a clamping ring 30, seals the barrel opening 16 against the top edge 32 of the top rim 24 engaging in the ring recess.
  • the clamping ring 30 is of equal-leg design and can be mounted and clamped as desired without a special orientation over the jacket flange 20 of the barrel body 10 and the outer flange 26 of the cover 22.
  • the stepped diameter enlargement 12 is formed in the transition area by an obliquely conical shape of the barrel wall 14, this results in an outer contact edge for a stacked barrel on the inner top edge 32 as can be seen from FIG. 3 for several barrels stacked one inside the other. This leaves an air space between the inner wall of the lower outer barrel and the outer wall of the inner barrel stacked from above, so that the formation of negative pressure and mutual suction of the barrels with very difficult denesting is reliably prevented.
  • the barrel body 10 is preferably made of plastic and is produced in a blow molding process with an upset jacket flange 20.
  • the plastic barrel body 10 can also be produced by injection molding or rotary centrifugation. Another possibility can be that the barrel body 10 manufactured in the blow molding process and the peripheral jacket flange 20 is glued or welded onto the barrel wall 14 as a separately prefabricated part.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Stackable Containers (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Catching Or Destruction (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Closures For Containers (AREA)

Abstract

The invention relates to a large-volume wide-mouthed barrel, in particular a barrel with cover made of thermoplastic material, for the transport of liquid or solid filling materials. For dispatch of empty barrels in a manner which saves freight space and costs, it is envisaged according to the invention that the barrel body (10) has a smaller diameter in the bottom region (18) than in the region of the upper filling opening (16) and consequently a number of barrels can be stacked inside one another in a space-saving manner. <IMAGE>

Description

Die Erfindung bezieht sich gemäß Oberbegriff des Anspruches 1 auf ein großvolumiges Weithalsgebinde zum Transport von insbesondere gefährlichen flüssigen oder festen Füllgütern mit einem an der oberen Einfüllöffnung bzw. in deren Nahbereich an der Aussenwandung des Faßkörpers angeordneten Mantelflansch zur gas- und flüssigkeitsdichten Befestigung eines Standard-Faßdeckels mittels eines übergreifenden Spannringes.The invention relates, according to the preamble of claim 1, to a large-volume, wide-necked container for transporting, in particular, dangerous liquid or solid filling goods with a jacket flange arranged at the upper filling opening or in the vicinity thereof on the outer wall of the barrel body for gas and liquid-tight fastening of a standard barrel lid by means of an overarching clamping ring.

Derartige Standarddeckel-Fässer sind allgemein bekannt (siehe z.B. die DE-A-2 544 491) und finden z.B. in der chemischen Großindustrie aufgrund von prüfamtlichen Zulassungen für verschiedene Faßgrößen (z.B. 30, 60, 120 oder 220 l Fassungsvermögen) Anwendung für die verschiedenartigsten Füllgüter.
Diese Deckelfässer weisen üblicherweise im oberen und unteren Faßbereich einen geringfügig verkleinerten und im mittleren Faßbereich den größten Faßdurchmesser auf, so daß leere Deckelfässer, insbesondere beim Überseeversand,in größerer Anzahl nicht ineinandergestapelt werden können und dadurch aufgrund des insgesamt großen Frachtvolumens auch hohe Frachtkosten bedingen.Such standard-lid drums are generally known (see, for example, DE-A-2 544 491) and are used, for example, in the large chemical industry on the basis of test approvals for various drum sizes (for example 30, 60, 120 or 220 l capacity) for a wide variety of filling goods .
These lid barrels usually have a slightly smaller barrel diameter in the upper and lower barrel area and the largest barrel diameter in the middle barrel area, so that empty lid barrels, especially when shipping overseas, cannot be stacked in large numbers and therefore also cause high freight costs due to the large cargo volume.

Es ist daher Aufgabe der vorliegenden Erfindung, eine Konstruktionsausführung für Weithalsgebinde bzw. großvolumige Transportfässer der eingangs genannten Art anzugeben, die einen frachtraum- und kostensparenden Versand, insbesondere im Überseeversand, von leeren Fässern ermöglicht.It is therefore an object of the present invention to provide a design for wide-necked containers or large-volume transport drums of the type mentioned at the outset, which enables empty drums to be shipped in a manner that saves freight space and costs, particularly in overseas shipping.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is achieved according to the invention by the characterizing features of claim 1.

Das erfindungsgemäße Weithalsgebinde ist in unbefülltem Zustand für Transportzwecke optimal ineinanderstapelbar und benötigt daher wesentlich weniger Frachtraum als gleichgroße nicht ineinanderstapelbare Transportfässer.
Aufgrund der sprunghaften stufenförmigen Durchmesservergrößerung kann sich das obere, jeweils in ein unteres Faß eingestapelte Faß am oberen Faßrand der Einfüllöffnung des unteren Fasses abstützen, so daß verhindert ist, daß sich mehrere ineinandergestapelte Fässer nahezu unlösbar ineinander verkeilen oder nur mit großer Kraftanstrenung zweier Bedienungsleute wieder voneinander abgehoben werden können.The wide-necked container according to the invention can be optimally stacked into one another for transport purposes and therefore requires considerably less cargo space than transport containers of the same size that cannot be stacked one inside the other.
Due to the step-wise increase in diameter, the upper barrel, each stacked in a lower barrel, can be supported on the upper barrel edge of the filling opening of the lower barrel, so that several barrels stacked one inside the other are prevented from wedging into one another almost inextricably or only with great effort by two operators can be lifted off.

Dadurch, daß die Faßwandung von der sprunghaften Durchmesservergrößerung aus stetig und geradlinig bis zur oberen Faßöffnung hin verläuft bzw. vom Faßboden bis zur Faßöffnung hin lediglich Durchmesservergrößerungen und keine nachteiligen Durchmesserverkleinerungen (Wülste, Borduren, Senken, Einschnürungen) aufweist, ist dieses erfindungsgemäße Faß hervorragend für eine optimale Restentleerung, für mögliche Reinigungsarbeiten und für Zwecke der Wieder- oder Mehrfachverwendung geeignet.Characterized in that the barrel wall from the sudden increase in diameter from steady and straight to the top barrel opening or from the bottom of the barrel to the barrel opening only diameter increases and no disadvantageous diameter reductions (beads, borders, sinks, constrictions), this barrel according to the invention is excellent for optimal residual emptying, suitable for possible cleaning work and for purposes of reuse or multiple use.

Es ist zwar bereits eine Kunststoff-Regentonne mit einem insgesamt konischen Faßkörper bekannt, diese gattungsfremde Regentonne ist jedoch ein stationärer Behälter und nicht zum Transport von insbesondere gefährlichen flüssigen oder festen Füllgütern geeignet, da die Tonne auch nicht fest verschließbar ist. Zwar ist der oberste Rand der Einfüllöffnung nahezu rechtwinklig nach außen abgeflanscht und bildet das Auflager für einen in die Faßöffnung eintauchenden und sich auf dem Flanschrand abstützenden Faßdeckel, dieser Faßdeckel kann jedoch mangels Dichtungsmöglichkeit und Durchmesserunterschiede von Faßflansch und Deckelrand nicht mittels eines Spannringes flüssigkeitsdicht auf der Faßöffnung fixiert werden. Dies ist hierbei auch garnicht vorgesehen, da der Deckel eine nicht verschließbare zentrale Einlauföffnung für das aufzufangende Regenwasser aufweist und im übrigen lediglich dazu dient, daß ein Hineinfallen von Partikeln wie z.B. Blättern in das Faß verhindert wird.Although a plastic rain barrel with an overall conical barrel body is already known, this non-generic rain barrel is a stationary container and is not suitable for transporting particularly dangerous liquid or solid contents, since the barrel is also not securely closable. Although the uppermost edge of the filler opening is flanged outward at almost a right angle and forms the support for a barrel lid that dips into the barrel opening and is supported on the flange edge, this barrel lid cannot be liquid-tight on the barrel opening by means of a clamping ring due to the lack of sealing options and differences in diameter of the barrel flange and lid rim be fixed. This is also not provided here, since the lid has a central inlet opening that cannot be closed for the rainwater to be collected and, moreover, only serves to prevent particles such as leaves from falling into the barrel.

Die Erfindung wird nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispieles näher erläutert und beschrieben.
Es zeigen:

Figur 1
eine Seitenansicht mit Teilschnitt eines erfindungsgemässen Fasses,
Figur 2
eine Detailvergrößerung aus Fig. 1 und
Figur 3
eine Seitenansicht mit Teilschnittdarstellung von drei zu Transportzwecken ineinandergestapelten erfindungsgemäßen Fässern.
The invention is explained and described in more detail below with reference to an embodiment shown in the drawings.
Show it:
Figure 1
2 shows a side view with partial section of a barrel according to the invention,
Figure 2
a detail enlargement of Fig. 1 and
Figure 3
a side view with partial sectional view of three barrels according to the invention stacked one inside the other for transport purposes.

Mit der Bezugsziffer 10 ist in Figur 1 der Faßkörper eines großvolumigen Weithalsgebindes (Deckelfaß) bezeichnet. Um eine Ineinanderstapelung für Transportzwecke zu ermöglichen, weist der Faßkörper 10 im Bereich des Bodens 18 einen geringeren Durchmesser als im Bereich der oberen Einfüllöffnung 16 auf, wobei er im Bereich seines oberen Drittels mit einer sprunghaften stufenförmigen Durchmesservergrößerung 12 versehen ist, und die Faßwandung 14 von dieser Durchmesservergrößerung 12 aus stetig und geradlinig bis zur oberen Faßöffnung 16 hin verläuft.
Der obere Bereich des Faßkörpers 10 oberhalb der stufenförmigen Durchmesservergrößerung 12 - mit einer Längenerstreckung von kleiner gleich einem Viertel der gesamten Faßhöhe - ist bis zur Faßöffnung 16 hin zylindrisch ausgebildet, während der Bereich des Faßkörpers 10 unterhalb der stufenförmigen Durchmesservergrößerung 12 nach unten hin bis zum Faßboden 18 sich stetig konisch verjüngend ausgebildet ist.Reference number 10 in FIG. 1 denotes the barrel body of a large-volume wide-neck container (lid barrel). In order to enable stacking into one another for transport purposes, the barrel body 10 has a smaller diameter in the area of the bottom 18 than in the area of the upper filler opening 16, it being provided with a step-wise stepped diameter enlargement 12 in the area of its upper third, and the barrel wall 14 of this diameter enlargement 12 runs from steady and straight to the upper barrel opening 16.
The upper area of the barrel body 10 above the step-shaped diameter enlargement 12 - with a length less than or equal to a quarter of the total barrel height - is cylindrical up to the barrel opening 16, while the area of the barrel body 10 below the step-shaped diameter enlargement 12 down to the barrel bottom 18 is continuously tapered.

Der Faßboden 18 ist zur besseren Standfestigkeit und zum Ausgleich von z.B. innerem Überdruck in der Bodenmitte nach innen bombiert bzw. konkav ausgebildet.The barrel bottom 18 is for better stability and to balance e.g. internal overpressure in the center of the bottom is convex or concave.

Die Durchmesservergrößerung 12 von dem kleineren auf den größeren Durchmesser des Faßkörpers 10 beträgt das Dreifache bis Sechsfache, vorzugsweise etwa das Vierfache der Stärke (Dicke) der Faßwandung 14. Bei einem 60 l-Faß beträgt die Wandstärke eines aus Kunststoff gefertigten Fasses ca. 4 mm, während die Dicke der Faßwandung eines 220 l-Kunststoff-Fasses etwa 6 mm beträgt. Die stufenförmige Durchmesservergrößerung 12 ist vorzugsweise durch einen schräg konischen Verlauf der Faßwandung 14 in dem Übergangsbereich ausgebildet.The increase in diameter 12 from the smaller to the larger diameter of the barrel body 10 is three to six times, preferably about four times the thickness (thickness) of the barrel wall 14. In the case of a 60 liter barrel, the wall thickness is one made of plastic manufactured barrel about 4 mm, while the thickness of the barrel wall of a 220 l plastic barrel is about 6 mm. The stepped diameter enlargement 12 is preferably formed by an obliquely conical shape of the barrel wall 14 in the transition area.

Wie aus Figur 2 deutlich wird, weist der Standard-Deckel 22 einen inneren in die Faßeinfüllöffnung 16 eingreifenden Deckelring und einen den Faßoberrand 24 übergreifenden Außenrand mit sich davon im wesentlichen radial abstreckendem Aussenflansch 26 auf. In der zwischen innerem Deckelring und Deckelaußenrand freibleibenden Ringausnehmung ist ein Dichtungsring 28 angeordnet, der bei mittels eines Spannringes 30 aufgespanntem Deckel 22 die Faßöffnung 16 gegen die Faßoberkante 32 des in die Ringausnehmung eingreifenden Faßoberrandes 24 abdichtet.As is clear from FIG. 2 , the standard lid 22 has an inner lid ring which engages in the barrel fill opening 16 and an outer rim which overlaps the barrel top edge 24 and has an outer flange 26 which extends essentially radially therefrom. In the ring recess that remains free between the inner cover ring and the outer edge of the cover, a sealing ring 28 is arranged which, when the cover 22 is clamped by means of a clamping ring 30, seals the barrel opening 16 against the top edge 32 of the top rim 24 engaging in the ring recess.

Zweckmäßigerweise ist der Spannring 30 gleichschenkelig ausgebildet und kann beliebig ohne eine besondere Orientierung über den Mantelflansch 20 des Faßkörpers 10 und den Außenflansch 26 des Deckels 22 aufgezogen und festgespannt werden.Expediently, the clamping ring 30 is of equal-leg design and can be mounted and clamped as desired without a special orientation over the jacket flange 20 of the barrel body 10 and the outer flange 26 of the cover 22.

Da die stufenförmige Durchmesservergrößerung 12 in dem Übergangsbereich durch einen schräg konischen Verlauf der Faßwandung 14 ausgebildet ist, ergibt sich hieraus eine äußere Anlagekante für ein eingestapeltes Faß an der inneren Faßoberkante 32 wie aus Figur 3 für mehrere ineinandergestapelte Fässer ersichtlich ist. Dadurch verbleibt ein Luftfreiraum zwischen Innenwandung des unteren äußeren Fasses und Außenwandung des inneren von oben eingestapelten Fasses, so daß eine Unterdruckbildung und gegenseitige Ansaugung der Fässer mit sehr erschwerter Entstapelung sicher verhindert wird.Since the stepped diameter enlargement 12 is formed in the transition area by an obliquely conical shape of the barrel wall 14, this results in an outer contact edge for a stacked barrel on the inner top edge 32 as can be seen from FIG. 3 for several barrels stacked one inside the other. This leaves an air space between the inner wall of the lower outer barrel and the outer wall of the inner barrel stacked from above, so that the formation of negative pressure and mutual suction of the barrels with very difficult denesting is reliably prevented.

Vorzugsweise besteht der Faßkörper 10 aus Kunststoff und ist im Blasformverfahren mit angestauchtem Mantelflansch 20 hergestellt. Der Kunststoff-Faßkörper 10 kann aber auch im Spritzgußverfahren oder Rotationsschleuderverfahren hergestellt sein. Eine weitere Möglichkeit kann darin bestehen, daß der Faßkörper 10 im Blasformverfahren hergestellt und der umlaufende Mantelflansch 20 als separat vorgefertigtes Teil auf die Faßwandung 14 aufgeklebt oder aufgeschweißt ist.The barrel body 10 is preferably made of plastic and is produced in a blow molding process with an upset jacket flange 20. The plastic barrel body 10 can also be produced by injection molding or rotary centrifugation. Another possibility can be that the barrel body 10 manufactured in the blow molding process and the peripheral jacket flange 20 is glued or welded onto the barrel wall 14 as a separately prefabricated part.

Claims (2)

  1. A large-volume, wide-mouthed cask manufactured by blow moulding, injection moulding or rotary centrifuging from a plastics material for the purposes of storage and transportation, in particular of dangerous solid or fluid substances, having a shell flange (20) which is - at the upper charging opening (16) or in the vicinity of the latter - arranged on the outer wall of the barrel body (10) and is for securing - in a gas-tight and fluid-tight manner - a standard barrel lid (22) by means of a clamping ring (30) engaging over the flange, characterised in that the barrel body (10) is smaller in diameter in the region of the base (18) than in the region of the upper charging opening (16) and in the region of its upper third is provided with a sudden stepped diameter increase (12), the barrel wall (14) running in a steady and rectilinear manner from this diameter increase (12) to the upper charging opening (16) and as a result being cylindrical, the stepped diameter increase (12) being formed by a conically inclined course of the barrel wall (14) in this transition region and the diameter increase (12) from the smaller to the larger diameter of the barrel body (10) amounting to three times to six times, preferably approximately four times, the thickness of the barrel wall (14), and the region of the barrel body (10) below the stepped diameter increase tapering conically downwards in a steady manner towards the barrel base (18).
  2. A wide-mouthed cask in accordance with Claim 1, characterised in that the barrel body (10) is manufactured by a blow moulding process and the encircling shell flange (20) is a part which is prefabricated separately and is stuck or welded onto the barrel wall (14).
EP91105996A 1990-05-31 1991-04-16 Wide-mouthed barrel Revoked EP0459124B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9006150U DE9006150U1 (en) 1990-05-31 1990-05-31 Wide-neck containers
DE9006150U 1990-05-31

Publications (2)

Publication Number Publication Date
EP0459124A1 EP0459124A1 (en) 1991-12-04
EP0459124B1 true EP0459124B1 (en) 1994-11-30

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ID=6854268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91105996A Revoked EP0459124B1 (en) 1990-05-31 1991-04-16 Wide-mouthed barrel

Country Status (7)

Country Link
US (1) US5190157A (en)
EP (1) EP0459124B1 (en)
JP (1) JPH0769336A (en)
AT (1) ATE114581T1 (en)
CA (1) CA2041383A1 (en)
DE (2) DE9006150U1 (en)
NO (1) NO911308L (en)

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US3343711A (en) * 1965-08-04 1967-09-26 Bennett Ind Inc Plastic containers
US3648888A (en) * 1970-03-02 1972-03-14 Carthage Cup Co Thin-walled nestable container
US3609263A (en) * 1970-05-06 1971-09-28 Sandro Clementi Plastic containers and cover closures therefor
US3949877A (en) * 1974-03-04 1976-04-13 Greif Bros. Corporation Nestable drum
US4177934A (en) * 1975-10-04 1979-12-11 Mauser Kommandit-Gesellschaft Container and lid
DE2544491C2 (en) * 1975-10-04 1983-12-22 Mauser KG, 5040 Brühl Lidded barrel
US4293073A (en) * 1976-01-16 1981-10-06 Growth International Industries Corp. Container with collar
FR2431962A1 (en) * 1978-07-28 1980-02-22 Silfa Srl Open ended steel storage drum - has lower half tapered to allow stacking when empty and rolled peripheral lips and flanges for rigidity
US4231476A (en) * 1979-07-02 1980-11-04 Mars Limited Plastics containers
US4366696A (en) * 1980-12-24 1983-01-04 Western Can Company Nestable can method of manufacture
NL8204725A (en) * 1982-12-07 1984-07-02 Mako Bv WASTE CONTAINER, METHOD AND APPARATUS FOR MANUFACTURING SUCH A CONTAINER AND COVER ACCOMPANYING THE CONTAINER.
CH668034A5 (en) * 1985-11-21 1988-11-30 Plastomatic Ag Symmetrical blow-moulded drum - has one or more end rings and rolling collars welded on by being placed in grooves in mould before parison is blow-moulded
US4817801A (en) * 1987-03-06 1989-04-04 Reynolds Metals Company Two piece package for paper baking cups
US4828112A (en) * 1987-06-12 1989-05-09 Polar Ware Company Metal transport pan
EP0668034A1 (en) * 1994-02-14 1995-08-23 Excellent Gesellschaft für feine Schneidwaren mbH Collosity remover

Also Published As

Publication number Publication date
NO911308L (en) 1991-12-02
CA2041383A1 (en) 1991-12-01
NO911308D0 (en) 1991-04-04
EP0459124A1 (en) 1991-12-04
DE9006150U1 (en) 1990-08-09
ATE114581T1 (en) 1994-12-15
DE59103627D1 (en) 1995-01-12
JPH0769336A (en) 1995-03-14
US5190157A (en) 1993-03-02

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