EP1149023B2 - Bung barrel - Google Patents

Bung barrel Download PDF

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Publication number
EP1149023B2
EP1149023B2 EP00903525A EP00903525A EP1149023B2 EP 1149023 B2 EP1149023 B2 EP 1149023B2 EP 00903525 A EP00903525 A EP 00903525A EP 00903525 A EP00903525 A EP 00903525A EP 1149023 B2 EP1149023 B2 EP 1149023B2
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EP
European Patent Office
Prior art keywords
barrel
housing
edge
lateral walls
transitional portions
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Expired - Lifetime
Application number
EP00903525A
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German (de)
French (fr)
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EP1149023B1 (en
EP1149023A1 (en
Inventor
Karl-Heinz Roesing
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Kautex Maschinenbau GmbH
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Kautex Maschinenbau GmbH
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    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/12—Cans, casks, barrels, or drums
    • B65D1/20—Cans, casks, barrels, or drums characterised by location or arrangement of filling or discharge apertures

Definitions

  • the invention relates to a bung barrel made of thermoplastic material according to the preamble of claim 1.
  • the arrangement is such that the bunghole at least partially protrudes into the interior of the barrel and is provided at its portion which is located inside the barrel with at least one opening to allow a substantial emptying of the barrel.
  • This embodiment has the disadvantage that the bunghole must be made separately and attached in a special operation on the barrel body. It can thus the advantages of the blowing process, which is often used for the production of such plastic barrels and allows one-piece production in one operation, not be used.
  • the invention has for its object to produce a bung barrel of thermoplastic material so that with respect to the emptying even better properties than the barrel according to EP 0 291 695 A2 and is easy to produce.
  • the invention can be summarized to the effect that the two transitions, each bounding the top and bottom of each side wall of the same diverge from the frontal boundary wall thereof towards the edge region of the barrel, with the result that the inclination of each side wall of the end wall in the direction decreases to the edge area.
  • a further advantage of the barrel according to the invention is that, since the side walls of the housing are flatter than in the prior art, the shaping of the barrel by blowing is easier. This is particularly important because usually the separation surface of the generally two-part blow mold passes through the nozzle and thus through the nozzle housing, with the result that the preform from which the drum is made by applying internal pressure between the two moldings straight is clamped near the region along the parting surface, in which the preform for forming strongly bent and curved wall regions z. B. must be deformed in the region of the housing.
  • the barrel according to the invention reduces the resulting problems due to the design of the housing. Also, the demolding of the barrel according to the invention, due to its design of the housing portion noticeably easier.
  • transitions between the side walls of the housing and the bottom thereof may be substantially parallel to each other. But it may also be appropriate to let these transitions converge slightly from the end boundary wall of the housing in the direction of the barrel edge, with the result that the housing bottom becomes somewhat narrower in the direction of the barrel edge and thus also the two transitions even closer to the bunghole lie, whereby the emptying is further improved.
  • a stackable bung barrel 10 has a barrel body 12, a topsoil 14 and an underbody 16.
  • the upper bottom 14 is provided with two trough-shaped depressions, each forming a housing 18 or 20 for a nozzle 22 and 24 respectively.
  • Each neck defines an opening 25 and 26.
  • the barrel 10 is provided in the region of the top 14 with a peripheral transport ring 28 which is supported by a circumferential ridge 58. The latter limits with the upper bottom 14 a still open at the top groove 30th
  • the housing associated with the neck of this opening can also be designed in the usual way, that is, narrower, in order to obtain the largest possible stacking area.
  • the drum according to the drawing is provided with two openings for the emptying and shows possible different embodiments of the housing.
  • the depth of the two housings 18, 20 is dimensioned such that the respective connection piece 22 or 24 does not protrude upwards beyond the upper boundary surface 29 of the upper floor, which at the same time serves as a stacking surface.
  • each of the two arranged in the edge region of the top 14 housing 18, 20 is open at its the barrel edge or the ring 28 facing side.
  • the housing is bounded by an end wall 32 and 34, which extends inclined between the bottom 36 and 38 of the housing and the topsoil 14.
  • the transitions 48, 50 between the respective end wall 32 and 34 on the one hand and the housing bottom and the top bottom 14 on the other hand are shown as edges. In fact, however, these are rounded transitions, as is common in the shaping of plastics, especially in blow molding.
  • a lateral boundary wall 40 and 42 connects, which also extends between the housing bottom 36 and 38 on the one hand and the topsoil 14.
  • rounded transitions 44 are provided between the housing bottom 36 or 38 and the respective wall 40 or 42 and between the respective wall and the top bottom 14, the latter transitions being designated 46.
  • the transitions 44 and 46 are arranged divergently such that, starting from the respectively associated end wall 32 and 34, the distance between the transitions 44, 46 in the direction of the L-ring and thus the barrel edge increases.
  • each sidewall 40, 42 of each housing 18, 20 and the housing bottom 36 and 38 extend close to the nozzle 22 and 24, so that when the upper transitions 46 form an angle ⁇ of, for example 140 °, each sidewall 40, 42 has an extent of about 70 ° radians between lower junction 44 and upper junction 46.
  • the respective radian dimension thus corresponds to the length of the transition 70 between the side wall 40 and 42 on the one hand and the boundary of the groove 30 on the other. Since the length of the transition 70 also determines the slope with respect to the emptying in a certain position of the barrel, the latter can therefore also be determined by the choice of the size of the angle ⁇ . An angle ⁇ of more than 180 ° will normally not be considered if the barrel should be stackable, since then the stack area would be reduced too much and there would be a risk that the nozzle would have to play a supporting role.
  • the two transitions 44 extend from the front-side boundary wall 34, essentially parallel to the rim of the drum, to which the housing which is bounded on only three sides by the walls is open.
  • the latter also applies to the left in Fig. 2 illustrated housing 18, the lower transitions 44 of the side walls, however, starting from the associated end wall 32, converge slightly in the direction of the barrel edge, whereby the flowable filling material by the oblique side walls 42, 44 is brought closer to the outlet opening 26.
  • FIG. 3 shows that the bottom 36 of the housing 18 is provided in the region between the nozzle 22 and the barrel edge with a fold 52 which forms an upwardly from the housing bottom 36 protruding bead 54, which corresponds to a recess 56 on the inside of the housing bottom 36.
  • This fold forms a deformation zone between the barrel rim or the annular web 58 carrying the transport ring 28 on the one hand and the respective neck 22 and 24 on the other hand, which serves to intercept forces acting on the barrel edge in the direction of the neck at least to the extent that no unacceptable stresses occur occur in the area of the neck.
  • this effect is due to a temporary deformation reached the fold. However, this is irrelevant, since the fold springs back to its original position after completion of the shock or impact stress.
  • the barrel 10 is on its inside with a substantially radially extending groove-shaped recess 60 (FIG. Fig. 3 and 5 ), which extends from the recess 56 caused by the fold 52 approximately radially through the lower in the normal position of the drum portion of the nozzle 22 and 24 in the limited opening 25 and 26 thereof.
  • the neck is provided at its lower edge in the normal position with a recess 62.
  • the channel 60 is intended to allow even further emptying of the barrel, so that also in the area between the nozzle and the barrel edge befind Anlagen Bigutreste, possibly by appropriate pivoting of the barrel, can flow out of the barrel.
  • Fig. 3 the drawing is shown that during the emptying of the remaining contents of the latter approximately from area A via the lateral preferably planar boundary walls 40, 42 flows in the direction of the arrows 64 in the area B between the nozzle and barrel edge and from there in particular through the groove-shaped recess 60 in the spout and through this runs out of the barrel.
  • the side walls of the housing additionally assume the function to guide the filling in the direction of the discharge opening during the emptying.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Cartons (AREA)
  • Closures For Containers (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Basic Packing Technique (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Stackable Containers (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)
  • Cyclones (AREA)
  • General Details Of Gearings (AREA)
  • Glass Compositions (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

A barrel of thermoplastic material has a peripherally extending carrier and transportation ring in the region of its upper end portion and at least one plughole connection in the edge region of the latter. The bung hole connection is disposed within a housing which is let into the upper end portion. The housing is open at its side towards the edge of the barrel while at its other side it has a boundary end wall, from each of the two ends of which a respective wall extends towards the edge of the barrel, the walls laterally defining the housing. The walls defining the housing are delimited at the top side by a transition from the respective wall into the upper end portion of the barrel and at the lower end by a transition from the respective wall into the bottom of the housing. The spacing between the upper transitions of the two ends of the housing is greater than the spacing between the two lower transitions and the upper transitions diverge towards the edge of the barrel. The transitions between the side walls and the upper end portion of the barrel body on the one hand and the transitions between the side walls and the bottom of the housing on the other hand do not extend parallel. The transitions between the side walls and the upper end portion include an angle which is at least 120 DEG .

Description

Die Erfindung betrifft ein Spundfaß aus thermoplastischem Kunststoff gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a bung barrel made of thermoplastic material according to the preamble of claim 1.

Bei einem aus EP 0 291 695 A2 bekannten derartigen Spundfaß ist die Anordnung so getroffen, daß der Spundlochstutzen zumindest teilweise in das Innere des Fasses hineinragt und an seinem Abschnitt, der sich im Inneren des Fasses befindet, mit wenigstens einer Durchbrechung versehen ist, um eine weitgehende Entleerung des Fasses zu ermöglichen. Diese Ausgestaltung hat den Nachteil, daß der Spundlochstutzen gesondert hergestellt und in einem besonderen Arbeitsgang am Fasskörper angebracht werden muß. Es können somit die Vorteile des Blasverfahrens, das vielfach für die Fertigung derartiger Kunststoff-Fässer benutzt wird und eine einstückige Herstellung in einem Arbeitsgang ermöglicht, nicht genutzt werden.At one off EP 0 291 695 A2 known such Spundfaß the arrangement is such that the bunghole at least partially protrudes into the interior of the barrel and is provided at its portion which is located inside the barrel with at least one opening to allow a substantial emptying of the barrel. This embodiment has the disadvantage that the bunghole must be made separately and attached in a special operation on the barrel body. It can thus the advantages of the blowing process, which is often used for the production of such plastic barrels and allows one-piece production in one operation, not be used.

Der Erfindung liegt die Aufgabe zugrunde, ein Spundfaß aus thermoplastischem Kunststoff so herzustellen, das bezüglich der Restentleerung noch bessere Eigenschaften aufweist als das Faß gemäß EP 0 291 695 A2 und dabei auf einfache Weise herstellbar ist.The invention has for its object to produce a bung barrel of thermoplastic material so that with respect to the emptying even better properties than the barrel according to EP 0 291 695 A2 and is easy to produce.

Diese Aufgabe wird gelöst durch die Anwendung der im Anspruch 1 angegebenen Merkmale.This object is achieved by the application of the features specified in claim 1.

Die Erfindung läßt sich dahingehend zusammenfassen, daß die beiden Übergänge, die jede Seitenwand des Gehäuses jeweils oben und unten begrenzen, von der stirnseitigen Begrenzungswand desselben in Richtung auf den Randbereich des Fasses divergieren mit der Folge, daß die Neigung jeder Seitenwand von der Stirnwand in Richtung auf den Randbereich abnimmt.The invention can be summarized to the effect that the two transitions, each bounding the top and bottom of each side wall of the same diverge from the frontal boundary wall thereof towards the edge region of the barrel, with the result that the inclination of each side wall of the end wall in the direction decreases to the edge area.

Zwar ist aus EP 0 515 390 B1 ein Spundfaß bekannt, bei welchem der Oberboden zusätzlich zum bzw. neben dem Spundlochstutzen-Gehäuse ein im wesentlichen kreisabschnittsförmiges Flächenteil bzw. eine Abschrägung aufweist, wobei die Abschrägung ihre tiefste Stelle auf der Seite des Faßmantels im Nahbereich des Spundlochstutzens hat. Diese Ausgestaltung hat jedoch zur Folge, daß im Bereich des Oberbodens verhältnismäßig viele gebogene und abgewinkelte Wandbereiche vorhanden sind, die zum Teil etwa rechtwinklig zueinander verlaufen und eine Versteifung des Oberbodens bewirken, die bei Beanspruchungen des Oberbodens durch Stoß und Schlag zu unkontrollierbaren Spannungen und unzulässigen Beanspruchungen des Kunststoffmaterials führen kann. Die Anwendung der Erfindung führt zu einer einfacheren Ausgestaltung, da der Oberboden neben dem Spundlochgehäuse keine weiteren Abschrägungen und kreisabschnittförmige Flächen benötigt, um den angestrebten Effekt zu erzielen.Although is off EP 0 515 390 B1 a bung barrel known, in which the topsoil in addition to or next to the bunghole housing has a substantially kreisabschnittsförmiges surface part or a chamfer, wherein the bevel has its lowest point on the side of the barrel shroud in the vicinity of the bunghole. However, this design has the consequence that relatively many curved and angled wall areas are present in the region of the top, which extend approximately at right angles to each other and cause a stiffening of the top, the stresses of the topsoil by impact and shock to uncontrollable stresses and impermissible stresses of the plastic material can result. The application of the invention leads to a simpler design, since the topsoil next to the bunghole housing no further bevels and circular sector-shaped surfaces needed to achieve the desired effect.

Tatsächlich sind es die seitlichen Begrenzungswände des Spundlochstutzen-Gehäuses, die aufgrund ihres erfindungsgemäßen Verlaufes in der Entleerungsposition des Fasses zugleich auch eine weitestgehende Restentleerung ermöglichen. Allgemein wird gelten, daß mit zunehmendem Winkel, welcher von den beiden seitlichen Wandungen des Spundlochstutzen-Gehäuses gebildet wird, eine zunehmende Restentleerung erreicht wird. Da andererseits mit zunehmendem Winkel die verbleibende Fläche des Oberbodens, die als Stapelfläche benutzt wird, abnimmt, wird es in der Praxis darauf ankommen, ein Optimum bezüglich beider Erfordernisse zu finden. Dies ist ohne weiteres möglich, da beispielsweise bei einem Winkel von 140°, der von den beiden Seitenwänden an ihrem Übergang zum Oberboden eingeschlossen wird, im allgemeinen einen allen praktischen Erfordernissen genügende Restentleerung erreichbar und die Stapelfläche ausreichend groß ist.In fact, it is the lateral boundary walls of the bunghole housing, which also allow a largely residual emptying due to their course according to the invention in the emptying position of the barrel. Generally, it will be appreciated that with increasing angle formed by the two lateral walls of the bung-stub housing, increased residual emptying is achieved. On the other hand, as the remaining surface of the topsoil used as the stacking surface decreases with increasing angle, in practice it will be important to find an optimum with respect to both requirements. This is easily possible, since, for example, at an angle of 140 °, which is enclosed by the two side walls at their transition to the topsoil, generally achieves all practical requirements sufficient emptying and the stacking area is sufficiently large.

Ein weiterer Vorteil des Fasses gemäß der Erfindung besteht darin, daß, da die Seitenwände des Gehäuses flacher verlaufen als beim Stand der Technik, die Formgebung des Fasses im Blasverfahren einfacher ist. Dies ist insbesondere deshalb von Bedeutung, weil normalerweise die Trennfläche der im allgemeinen zweiteiligen Blasform durch den Stutzen und damit durch das Stutzengehäuse verläuft mit der Folge, daß der Vorformling, aus welchem das Faß durch Anwendung von innerem Überdruck hergestellt wird, zwischen den beiden Formteilen gerade nahe dem Bereich entlang der Trennfläche eingespannt ist, in welchem der Vorformling zur Bildung von stark abgewinkelten und gebogenen Wandbereichen z. B. im Bereich des Gehäuses verformt werden muß. Das Faß gemäß der Erfindung verringert auf Grund der Ausgestaltung des Gehäuses die sich daraus ergebenden Probleme. Auch ist das Entformen des Fasses gemäß der Erfindung auf Grund seiner Ausgestaltung des Gehäusebereiches merklich einfacher.A further advantage of the barrel according to the invention is that, since the side walls of the housing are flatter than in the prior art, the shaping of the barrel by blowing is easier. This is particularly important because usually the separation surface of the generally two-part blow mold passes through the nozzle and thus through the nozzle housing, with the result that the preform from which the drum is made by applying internal pressure between the two moldings straight is clamped near the region along the parting surface, in which the preform for forming strongly bent and curved wall regions z. B. must be deformed in the region of the housing. The barrel according to the invention reduces the resulting problems due to the design of the housing. Also, the demolding of the barrel according to the invention, due to its design of the housing portion noticeably easier.

Die Übergänge zwischen den Seitenwänden des Gehäuses und dessen Bodens können im wesentlichen parallel zueinander verlaufen. Es kann aber auch zweckmäßig sein, diese Übergänge von der stirnseitigen Begrenzungswand des Gehäuses in Richtung auf den Faßrand etwas konvergieren zu lassen, mit dem Ergebnis, daß der Gehäuseboden in Richtung auf den Faßrand etwas schmaler wird und damit auch die beiden Übergänge noch näher am Spundloch liegen, wodurch die Restentleerung zusätzlich verbessert wird.The transitions between the side walls of the housing and the bottom thereof may be substantially parallel to each other. But it may also be appropriate to let these transitions converge slightly from the end boundary wall of the housing in the direction of the barrel edge, with the result that the housing bottom becomes somewhat narrower in the direction of the barrel edge and thus also the two transitions even closer to the bunghole lie, whereby the emptying is further improved.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen:

Fig. 1
die Seitenansicht eines Spundfasses mit zwei Spundlochstutzen, deren Gehäuse beide für die Restentleerung eingerichtet sind,
Fig. 2
die dazugehörige Draufsicht, wobei die beiden Gehäuse unterschiedlich ausgeführt sind,
Fig. 3
einen Schnitt nach der Linie III-III der Fig. 2,
Fig. 4
einen Schnitt nach der Linie IV-IV der Fig. 2,
Fig. 5
einen Schnitt gemäß der Linie V-V der Fig. 3.
Fig. 6
einen Schnitt nach der Linie VI-VI der Fig. 2.
In the drawing, an embodiment of the invention is shown. Show it:
Fig. 1
The side view of a bung barrel with two bunghole nozzles, whose housing are both set up for emptying,
Fig. 2
the associated plan view, wherein the two housings are designed differently,
Fig. 3
a section along the line III-III of Fig. 2 .
Fig. 4
a section along the line IV-IV of Fig. 2 .
Fig. 5
a section along the line VV of Fig. 3 ,
Fig. 6
a section along the line VI-VI of Fig. 2 ,

Das in der Zeichnung dargestellte Ausführungsbeispiel eines stapelbaren Spundfasses 10 weist einen Faßkörper 12, einen Oberboden 14 und einen Unterboden 16 auf. Der Oberboden 14 ist mit zwei muldenförmigen Vertiefungen versehen, die jeweils ein Gehäuse 18 bzw. 20 für einen Stutzen 22 bzw. 24 bilden. Jeder Stutzen begrenzt eine Öffnung 25 bzw. 26. Das Faß 10 ist im Bereich des Oberbodens 14 mit einem umlaufenden Transportring 28 versehen, der von einem umlaufenden Steg 58 getragen ist. Letzterer begrenzt mit dem Oberboden 14 eine noch oben offene Nut 30.The illustrated in the drawing embodiment of a stackable bung barrel 10 has a barrel body 12, a topsoil 14 and an underbody 16. The upper bottom 14 is provided with two trough-shaped depressions, each forming a housing 18 or 20 for a nozzle 22 and 24 respectively. Each neck defines an opening 25 and 26. The barrel 10 is provided in the region of the top 14 with a peripheral transport ring 28 which is supported by a circumferential ridge 58. The latter limits with the upper bottom 14 a still open at the top groove 30th

Üblicherweise dient nur eine der beiden Öffnungen des Fasses der Restentleerung, während die andere Öffnung für die normale Entleerung des Fasses beispielsweise unter Verwendung eines eine Pumpe eingeschlossenen Rohres benutzt wird, welches durch die Öffnung in das Faßinnere eingeführt wird. Das dem Stutzen dieser Öffnung zugeordnete Gehäuse kann deshalb auch in üblicher Weise, also enger ausgeführt sein, um eine möglichst große Stapelfläche zu erhalten. Das Faß gemäß der Zeichnung ist mit zwei Öffnungen für die Restentleerung versehen und zeigt mögliche unterschiedliche Ausgestaltungen des Gehäuses.Usually, only one of the two openings of the drum serves to emptying the waste, while the other opening is used for the normal emptying of the drum, for example using a tube enclosed by a pump, which is introduced through the opening into the drum interior. Therefore, the housing associated with the neck of this opening can also be designed in the usual way, that is, narrower, in order to obtain the largest possible stacking area. The drum according to the drawing is provided with two openings for the emptying and shows possible different embodiments of the housing.

Die Tiefe beider Gehäuse 18, 20 ist so bemessen, daß der jeweilige Stutzen 22 bzw. 24 nicht nach oben über die obere Begrenzungsfläche 29 des Oberbodens, die zugleich als Stapelfläche dient, hinausragt.The depth of the two housings 18, 20 is dimensioned such that the respective connection piece 22 or 24 does not protrude upwards beyond the upper boundary surface 29 of the upper floor, which at the same time serves as a stacking surface.

Jedes der beiden im Randbereich des Oberbodens 14 angeordneten Gehäuse 18, 20 ist an seiner dem Faßrand bzw. dem Ring 28 zugekehrten Seite offen. An der gegenüberliegenden, dem Ring 28 jeweils abgekehrten Seite des Stutzens 22 bzw. 24 ist das Gehäuse durch eine Stirnwand 32 bzw. 34 begrenzt, die geneigt zwischen dem Boden 36 bzw. 38 des Gehäuses und dem Oberboden 14 verläuft. In der Zeichnung, insbesondere in Fig. 2, sind die Übergänge 48, 50 zwischen der jeweiligen Stirnwand 32 bzw. 34 einerseits und dem Gehäuseboden bzw. dem Oberboden 14 andererseits als Kanten dargestellt. Tatsächlich handelt es sich dabei jedoch um abgerundete Übergänge, wie dies bei der Formgebung von Kunststoffen, insbesondere im Blasverfahren durchweg üblich ist.Each of the two arranged in the edge region of the top 14 housing 18, 20 is open at its the barrel edge or the ring 28 facing side. At the opposite, the ring 28 each side facing away from the nozzle 22 and 24, the housing is bounded by an end wall 32 and 34, which extends inclined between the bottom 36 and 38 of the housing and the topsoil 14. In the drawing, in particular in Fig. 2 , the transitions 48, 50 between the respective end wall 32 and 34 on the one hand and the housing bottom and the top bottom 14 on the other hand are shown as edges. In fact, however, these are rounded transitions, as is common in the shaping of plastics, especially in blow molding.

An beiden Enden der stirnseitigen Begrenzungswand 32 bzw. 34 schließt sich jeweils eine seitliche Begrenzungswand 40 bzw. 42 an, die sich auch zwischen dem Gehäuseboden 36 bzw. 38 einerseits und dem Oberboden 14 erstreckt. Auch hier sind abgerundete Übergänge 44 zwischen Gehäuseboden 36 bzw. 38 und der jeweiligen Wandung 40 bzw. 42 sowie zwischen der jeweiligen Wandung und dem Oberboden 14 vorgesehen, wobei die letztgenannten Übergänge mit 46 bezeichnet sind. Im Unterschied zu den die stirnseitigen Wandungen 32 bzw. 34 begrenzenden Übergängen 48, 50, die im wesentlichen parallel verlaufen, sind die Übergänge 44 und 46 divergierend angeordnet derart, daß, ausgehend von der jeweils zugehörigen Stirnwand 32 bzw. 34 der Abstand zwischen den Übergängen 44, 46 in Richtung auf den L-Ring und damit den Faßrand zunimmt. Insbesondere Fig. 2 läßt erkennen, daß die die Seitenwandungen unten und oben begrenzenden Übergänge 44, 46 sehr stark divergieren, so daß die Seitenwandungen Schrägflächen bilden, deren Neigung von der jeweils zugehörigen Stirnwand 32 bzw. 34 in Richtung auf den Transportring 28 abnimmt. Es entstehen somit in Richtung auf den Rand und die jeweilige Öffnung 26 bzw. 28 verlaufende Schrägflächen, die, wie insbesondere Fig. 5 erkennen läßt, in der Entleerungsstellung des Fasses gemäß den Fig. 3 und 4 die Flüssigkeit in Richtung auf die jeweilige Öffnung 26 bzw. 28 leiten.At both ends of the front-side boundary wall 32 and 34, in each case a lateral boundary wall 40 and 42 connects, which also extends between the housing bottom 36 and 38 on the one hand and the topsoil 14. Here, too, rounded transitions 44 are provided between the housing bottom 36 or 38 and the respective wall 40 or 42 and between the respective wall and the top bottom 14, the latter transitions being designated 46. In contrast to the end walls 32 and 34 delimiting transitions 48, 50 which are substantially parallel, the transitions 44 and 46 are arranged divergently such that, starting from the respectively associated end wall 32 and 34, the distance between the transitions 44, 46 in the direction of the L-ring and thus the barrel edge increases. Especially Fig. 2 indicates that the side walls at the bottom and top bounding transitions 44, 46 diverge greatly, so that the side walls form inclined surfaces whose inclination decreases from the respectively associated end wall 32 and 34 in the direction of the transport ring 28. It thus arise in the direction of the edge and the respective opening 26 and 28 extending inclined surfaces, which, in particular Fig. 5 can recognize, in the emptying position of the barrel according to the 3 and 4 the liquid in the direction of the respective opening 26 and 28, respectively.

Die beiden Übergänge 44 zwischen den Seitenwänden 40, 42 jedes Gehäuses 18, 20 und dem Gehäuseboden 36 bzw. 38 verlaufen dabei dicht neben dem Stutzen 22 bzw. 24, so daß, wenn die oberen Übergänge 46 einen Winkel α von beispielsweise 140° einschließen, jede Seitenwand 40, 42 eine Erstreckung von etwa 70° im Bogenmaß zwischen unterem Übergang 44 und oberem Übergang 46 aufweist. Das jeweilige Bogenmaß entspricht somit der Länge des Überganges 70 zwischen der Seitenwand 40 bzw. 42 einerseits und der Begrenzung der Nut 30 andererseits. Da die Länge des Überganges 70 auch in bezug auf die Entleerung in einer bestimmten Position des Fasses das Gefälle bestimmt, kann letzteres demzufolge auch über die Wahl der Größe des Winkels α bestimmt werden. Ein Winkel α von mehr als 180° wird normalerweise nicht in Betracht kommen, wenn das Faß stapelbar sein soll, da dann die Stapelfläche zu stark reduziert werden würde und die Gefahr bestünde, daß der Stutzen eine tragende Funktion übernehmen müßte.The two transitions 44 between the side walls 40, 42 of each housing 18, 20 and the housing bottom 36 and 38 extend close to the nozzle 22 and 24, so that when the upper transitions 46 form an angle α of, for example 140 °, each sidewall 40, 42 has an extent of about 70 ° radians between lower junction 44 and upper junction 46. The respective radian dimension thus corresponds to the length of the transition 70 between the side wall 40 and 42 on the one hand and the boundary of the groove 30 on the other. Since the length of the transition 70 also determines the slope with respect to the emptying in a certain position of the barrel, the latter can therefore also be determined by the choice of the size of the angle α. An angle α of more than 180 ° will normally not be considered if the barrel should be stackable, since then the stack area would be reduced too much and there would be a risk that the nozzle would have to play a supporting role.

Bei dem in Fig. 2 rechts dargestellten Gehäuse 20 verlaufen die beiden Übergänge 44 von der stirnseitigen Begrenzungswand 34 ausgehend im wesentlichen parallel zum Faßrand, an welchem das nur an drei Seiten durch die Wandungen begrenzte Gehäuse offen ist. Letzteres gilt auch für das links in Fig. 2 dargestellte Gehäuse 18, dessen unteren Übergänge 44 der Seitenwandungen jedoch, ausgehend von der zugehörigen Stirnwand 32, in Richtung auf den Faßrand etwas konvergieren, wodurch das fließfähige Füllgut durch die schrägen seitlichen Wände 42, 44 noch dichter an die Auslauföffnung 26 herangeführt wird.At the in Fig. 2 On the right-hand side of the housing 20, the two transitions 44 extend from the front-side boundary wall 34, essentially parallel to the rim of the drum, to which the housing which is bounded on only three sides by the walls is open. The latter also applies to the left in Fig. 2 illustrated housing 18, the lower transitions 44 of the side walls, however, starting from the associated end wall 32, converge slightly in the direction of the barrel edge, whereby the flowable filling material by the oblique side walls 42, 44 is brought closer to the outlet opening 26.

Insbesondere Fig. 3 läßt erkennen, daß der Boden 36 des Gehäuses 18 im Bereich zwischen Stutzen 22 und dem Faßrand mit einer Falte 52 versehen ist, die einen nach oben aus dem Gehäuseboden 36 vorstehenden Wulst 54 bildet, dem eine Vertiefung 56 an der Innenseite des Gehäusebodens 36 entspricht. Diese Falte bildet eine Verformungszone zwischen Faßrand bzw. dem den Transportring 28 tragenden ringförmigen Steg 58 einerseits und dem jeweiligen Stutzen 22 bzw. 24 andererseits, die dazu dient, auf den Faßrand in Richtung auf den Stutzen einwirkende Kräfte zumindest soweit abzufangen, daß keine unzulässigen Beanspruchungen im Bereich des Stutzens auftreten. Zwar wird dieser Effekt durch eine zeitweilige Verformung der Falte erreicht. Dies ist jedoch ohne Bedeutung, da die Falte nach Beendigung der Stoß- oder Schlagbeanspruchung wieder in die ursprüngliche Lage zurückfedert.Especially Fig. 3 shows that the bottom 36 of the housing 18 is provided in the region between the nozzle 22 and the barrel edge with a fold 52 which forms an upwardly from the housing bottom 36 protruding bead 54, which corresponds to a recess 56 on the inside of the housing bottom 36. This fold forms a deformation zone between the barrel rim or the annular web 58 carrying the transport ring 28 on the one hand and the respective neck 22 and 24 on the other hand, which serves to intercept forces acting on the barrel edge in the direction of the neck at least to the extent that no unacceptable stresses occur occur in the area of the neck. Although this effect is due to a temporary deformation reached the fold. However, this is irrelevant, since the fold springs back to its original position after completion of the shock or impact stress.

Weiterhin ist das Faß 10 an seiner Innenseite mit einer im wesentlichen radial verlaufenden rillenförmigen Vertiefung 60 (Fig. 3 und 5) versehen, die sich von der durch die Falte 52 bewirkten Vertiefung 56 etwa radial durch den in der Normalposition des Fasses unteren Bereich des Stutzens 22 bzw. 24 in die von diesem begrenzte Öffnung 25 bzw. 26 erstreckt. Dazu ist der Stutzen an seinem in der Normalposition unteren Randbereich mit einer Ausnehmung 62 versehen. Die Rinne 60 soll eine noch weitergehende Entleerung des Fasses ermöglichen, damit auch im Bereich zwischen Stutzen und Faßrand befindliche Füllgutreste, ggf. durch entsprechendes Verschwenken des Fasses, aus dem Faß ausfließen können.Furthermore, the barrel 10 is on its inside with a substantially radially extending groove-shaped recess 60 (FIG. Fig. 3 and 5 ), which extends from the recess 56 caused by the fold 52 approximately radially through the lower in the normal position of the drum portion of the nozzle 22 and 24 in the limited opening 25 and 26 thereof. For this purpose, the neck is provided at its lower edge in the normal position with a recess 62. The channel 60 is intended to allow even further emptying of the barrel, so that also in the area between the nozzle and the barrel edge befindlicher Füllgutreste, possibly by appropriate pivoting of the barrel, can flow out of the barrel.

In Fig. 3 der Zeichnung ist dargestellt, daß während der Entleerung des restlichen Füllgutes letzteres etwa vom Bereich A über die seitlichen vorzugsweise ebenen Begrenzungswänden 40, 42 in Richtung der Pfeile 64 in den Bereich B zwischen Stutzen und Faßrand fließt und von dort insbesondere durch die rinnenförmige Vertiefung 60 in den Stutzen und durch diesen aus dem Faß herausläuft.In Fig. 3 the drawing is shown that during the emptying of the remaining contents of the latter approximately from area A via the lateral preferably planar boundary walls 40, 42 flows in the direction of the arrows 64 in the area B between the nozzle and barrel edge and from there in particular through the groove-shaped recess 60 in the spout and through this runs out of the barrel.

Durch die vorbeschriebene Ausgestaltung wird erreicht, daß die Seitenwandungen des Gehäuses zusätzlich die Funktion übernehmen, bei der Entleerung das Füllgut in Richtung auf die Entleerungsöffnung zu leiten.Due to the above-described embodiment it is achieved that the side walls of the housing additionally assume the function to guide the filling in the direction of the discharge opening during the emptying.

Claims (7)

  1. Barrel with a bung and made of thermoplastic plastics, having a peripheral supporting and transport ring (28) arranged in the region of the barrel top (14) and having at least one bunghole socket (22, 24) which is arranged in the region of the edge of the barrel top and is disposed inside a housing (18, 20) recessed in the barrel top, which housing is open at its side facing the edge and has on its side opposite the open side an end delimiting wall (32, 34), from each of the two ends of which there extends, in the direction towards the edge of the barrel, a wall (40, 42) which delimits the housing laterally, wherein the walls delimiting the housing are delimited at the top by a transitional portion (46, 50) from the respective wall to the barrel top and are delimited at the bottom by a transitional portion (48, 44) from the respective wall to the housing base (36, 38), and wherein the distance between the upper transitional portions (46) of the two lateral walls of the housing is greater than the distance between the two lower transitional portions (44), and wherein the upper transitional portions diverge in the direction towards the side of the housing that is open to the edge of the barrel, wherein the transitional portions (46) between the lateral walls (40, 42) and the barrel top (14) on the one hand and the transitional portions (44) between the lateral walls (40, 42) and the housing base (36, 38) on the other hand do not extend parallel to one another, and the transitional portions (46) between the lateral walls (40, 42) and the barrel top (14) enclose an angle (α) which is at least 120°, and wherein the lateral walls (40, 42) form sloping surfaces whose slope decreases from the end wall (32, 34) in the direction towards the transport ring (28), so that the lateral walls (40, 42) guide the liquid in the direction towards the opening (25, 26) when the barrel is in the emptying position.
  2. Barrel with a bung according to claim 1, characterised in that the transitional portions (44) between the lateral walls (40, 42) and the housing base (38) extend substantially parallel to one another.
  3. Barrel with a bung according to claim 1, characterised in that the transitional portions (44) between the lateral walls (40, 42) and the housing base (36) converge from the end delimiting wall (32) in the direction towards the edge of the barrel.
  4. Barrel with a bung according to claim 1, characterised in that the transitional portions between the lateral walls and the housing base diverge from the end delimiting wall in the direction towards the edge of the barrel, the extent of the divergence being smaller than that of the transitional portions between the lateral walls and the barrel top.
  5. Barrel according to claim 1, characterised in that the angle (α) enclosed by the two transitional portions (46) between the lateral walls (40, 42) and the barrel top is no smaller than 140°, preferably approximately 160°.
  6. Barrel according to claim 1, characterised in that a deformation zone is provided between the socket element (22, 24) and the edge of the barrel, which deformation zone has at least one recess (52) extending substantially parallel or tangential to the edge of the barrel.
  7. Barrel according to claim 1, characterised in that a trough-like depression (60) is present on the inside of the barrel between the bunghole socket (22, 24) and the recess (52).
EP00903525A 1999-02-11 2000-01-13 Bung barrel Expired - Lifetime EP1149023B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19905898 1999-02-11
DE19905898A DE19905898A1 (en) 1999-02-11 1999-02-11 Bung
PCT/DE2000/000096 WO2000047478A1 (en) 1999-02-11 2000-01-13 Bung barrel

Publications (3)

Publication Number Publication Date
EP1149023A1 EP1149023A1 (en) 2001-10-31
EP1149023B1 EP1149023B1 (en) 2002-10-23
EP1149023B2 true EP1149023B2 (en) 2009-09-02

Family

ID=7897308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00903525A Expired - Lifetime EP1149023B2 (en) 1999-02-11 2000-01-13 Bung barrel

Country Status (14)

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US (1) US6145694A (en)
EP (1) EP1149023B2 (en)
JP (1) JP4692864B2 (en)
KR (1) KR100563793B1 (en)
CN (1) CN1230357C (en)
AT (1) ATE226542T1 (en)
AU (1) AU2534300A (en)
BR (1) BR0008166A (en)
CA (1) CA2360328A1 (en)
DE (2) DE19905898A1 (en)
ID (1) ID30047A (en)
MX (1) MXPA01008147A (en)
TR (1) TR200102291T2 (en)
WO (1) WO2000047478A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6419109B1 (en) * 2001-03-08 2002-07-16 Russell-Stanley Corporation Tighthead drum
DE102004061677B4 (en) * 2004-12-22 2007-05-10 Schütz GmbH & Co. KGaA bung barrel
DE102005028705A1 (en) * 2005-06-20 2006-12-28 Heco Maschinen- Und Werkzeugbau Gmbh Cover part e.g. for bung barrel featuring optimized emptying of leftover liquid, has base region, inlet region which is offset relative to it from outside perspective and in which bung hole is provided near edge for emptying bung barrel

Citations (3)

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Publication number Priority date Publication date Assignee Title
EP0291695A2 (en) † 1987-04-23 1988-11-23 Kautex-Werke Reinold Hagen Aktiengesellschaft Barrel made from thermoplastic plastic
EP0504718A1 (en) † 1991-03-16 1992-09-23 Schütz-Werke GmbH & Co. KG. Stackable barrel of plastic
DE4016600C2 (en) † 1990-02-15 1993-07-15 Mauser-Werke Gmbh, 5040 Bruehl, De

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DE3024810A1 (en) * 1980-07-01 1982-01-28 Mauser-Werke GmbH, 5040 Brühl TANK
DE8628811U1 (en) * 1986-10-29 1986-12-04 Mauser-Werke Gmbh, 5040 Bruehl bung barrel
DE8631318U1 (en) * 1986-11-22 1987-01-15 Schütz-Werke GmbH & Co KG, 5418 Selters bung barrel
DE8705915U1 (en) * 1987-04-23 1987-06-25 Kautex Werke Reinold Hagen AG, 5300 Bonn Barrel made of thermoplastic material
US4941584A (en) * 1987-12-03 1990-07-17 Ashland Oil Inc. Reusable plastic drum container assembly
DE58906019D1 (en) * 1988-10-28 1993-12-02 Sotralentz Sa Process for the production of a bung with barrel casing, barrel bottom and barrel cover.
DE8908528U1 (en) * 1989-07-13 1989-08-31 Schütz-Werke GmbH & Co KG, 5418 Selters bung barrel
DE4016785A1 (en) * 1990-05-25 1991-11-28 Kautex Maschinenbau Gmbh THERMOPLASTIC PLASTIC BARREL
US5217142A (en) * 1991-03-16 1993-06-08 Schuetz Udo Stackable bunghole barrel of synthetic resin
DE4236338C2 (en) * 1992-10-28 1999-12-30 Mauser Werke Gmbh Drum lid
US5273181A (en) * 1993-01-26 1993-12-28 Greif Bros. Corporation Plastic drum with drain sump and method of making the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0291695A2 (en) † 1987-04-23 1988-11-23 Kautex-Werke Reinold Hagen Aktiengesellschaft Barrel made from thermoplastic plastic
DE4016600C2 (en) † 1990-02-15 1993-07-15 Mauser-Werke Gmbh, 5040 Bruehl, De
EP0515390B1 (en) † 1990-02-15 1993-12-29 MAUSER-WERKE GmbH Drum with bung
EP0504718A1 (en) † 1991-03-16 1992-09-23 Schütz-Werke GmbH & Co. KG. Stackable barrel of plastic

Also Published As

Publication number Publication date
EP1149023B1 (en) 2002-10-23
KR100563793B1 (en) 2006-03-27
ID30047A (en) 2001-11-01
JP4692864B2 (en) 2011-06-01
MXPA01008147A (en) 2002-10-23
ATE226542T1 (en) 2002-11-15
JP2002536258A (en) 2002-10-29
US6145694A (en) 2000-11-14
EP1149023A1 (en) 2001-10-31
BR0008166A (en) 2002-01-22
AU2534300A (en) 2000-08-29
CN1341068A (en) 2002-03-20
TR200102291T2 (en) 2001-12-21
CA2360328A1 (en) 2000-08-17
WO2000047478A1 (en) 2000-08-17
DE19905898A1 (en) 2000-08-24
CN1230357C (en) 2005-12-07
DE50000674D1 (en) 2002-11-28
KR20010103008A (en) 2001-11-17

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