EP1803650B1 - Plastic container - Google Patents
Plastic container Download PDFInfo
- Publication number
- EP1803650B1 EP1803650B1 EP05028757A EP05028757A EP1803650B1 EP 1803650 B1 EP1803650 B1 EP 1803650B1 EP 05028757 A EP05028757 A EP 05028757A EP 05028757 A EP05028757 A EP 05028757A EP 1803650 B1 EP1803650 B1 EP 1803650B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- handle
- plastic container
- interior
- inlet
- ventilation duct
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 34
- 238000000071 blow moulding Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- 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 FR 2 675 771 A describes a hollow, venting handle. There is no additional drainage channel provided.
- the hollow handle is reduced at its rear end portion in cross-section to restrict the vent flow.
- the inlet and Aus colllstutzen 4 is provided with an external thread to unscrew a cap. In the pouring of the inlet and Aus colllstutzens 4 empties a vent channel 6. Also in this regard is with regard to the detailed construction of the prior art, for example, on the EP 0 677 445 A1 , referenced.
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen Kunststoffbehälter gemäß dem Oberbegriff des Hauptanspruchs.The invention relates to a plastic container according to the preamble of the main claim.
Im Einzelnen bezieht sich die Erfindung auf einen im Blasverfahren hergestellten Kunststoffbehälter zur Aufnahme einer Flüssigkeit, insbesondere von gefährlichen Flüssigkeiten wie etwa Öl, Chemikalien oder Ähnliches.In particular, the invention relates to a blown plastic container for holding a liquid, in particular hazardous liquids such as oil, chemicals or the like.
Ein Kunststoffbehälter der eingangs genannten Art ist beispielsweise aus der
Der bekannte Behälter umfasst an seiner oberen Wandung einen Ein- und Ausfüllstutzen sowie einen Griff. Um ein gleichmäßiges Entleeren des Behälters zu gewährleisten, ist ein Belüftungskanal einstückig mit dem Behälter ausgebildet, welcher sich von dem Ein- und Ausfüllstutzen aus entlang der oberen Wandung des Kunststoffbehälters erstreckt. Durch den Belüftungskanal ist es möglich, den sich ausbildenden Unterdruck in dem Behälter durch einströmende Luft auszugleichen. Somit werden Unterbrechungen oder Störungen des Ausgießens, beispielsweise Gluckern oder schwallweises Ausgießen, im Wesentlichen verhindert.The known container comprises on its upper wall an inlet and Ausfüllstutzen and a handle. In order to ensure a uniform emptying of the container, a ventilation channel is formed integrally with the container, which extends from the inlet and Ausfüllstutzen along the upper wall of the plastic container. Through the ventilation channel, it is possible to compensate for the forming negative pressure in the container by inflowing air. Thus, interruptions or disturbances of pouring, for example, gurgling or gushing out, are substantially prevented.
Als nachteilig erweist es sich beim Stand der Technik jedoch, dass unter bestimmten Umgebungsbedingungen und bei bestimmten Medien der Ausgießvorgang nicht unter allen Betriebsbedingungen optimal verlaufen kann.However, it proves to be disadvantageous in the prior art that under certain ambient conditions and with certain media the pouring process can not run optimally under all operating conditions.
Die
Die
Die
Der Erfindung liegt die Aufgabe zugrunde, einen Kunststoffbehälter der eingangs genannten Art zu schaffen, welcher bei einfachem Aufbau und einfacher, kostengünstiger Herstellbarkeit die Nachteile des Standes der Technik vermeidet und eine zuverlässige Belüftung des Innenraums beim Entleeren gewährleistet.The invention has for its object to provide a plastic container of the type mentioned above, which avoids the disadvantages of the prior art with a simple structure and simple, cost manufacturability and ensures reliable ventilation of the interior during emptying.
Erfindungsgemäß wird die Aufgabe durch die Merkmalskombination des Hauptanspruchs gelöst, die Unteransprüche zeigen weitere vorteilhafte Ausgestaltungen der Erfindung.According to the invention the object is achieved by the feature combination of the main claim, the subclaims show further advantageous embodiments of the invention.
Erfindungsgemäß ist somit vorgesehen, dass der Griff hohl ausgebildet ist und an seinem dem Ein- und Ausfüllstutzen zugewandten vorderen Endbereich mit dem Belüftungskanal in Strömungsverbindung ist und an seinem hinteren, dem Ein- und Ausfüllstutzen abgewandten Endbereich in den Innenraum des Kunststoffbehälters mündet. Bevorzugterweise erfolgt die Mündung des Innenraums des Griffes in einen erhöhten Bereich der oberen Wandung des Kunststoffbehälters.According to the invention it is thus provided that the handle is hollow and at its the inlet and Ausfüllstutzen facing front end portion with the ventilation duct in flow communication and opens at its rear end facing away from the inlet and Ausfüllstutzen end in the interior of the plastic container. Preferably, the mouth of the interior of the handle takes place in a raised portion of the upper wall of the plastic container.
Durch die erfindungsgemäße Ausgestaltung ist somit eine Vergrößerung des zur Belüftung zur Verfügung stehenden Querschnitts geschaffen worden, da die zum Ausgleich des sich im Behälter beim Ausgießen bildenden Unterdrucks einströmende Luft sowohl durch den Belüftungskanal als auch durch den hohen Griff in den Behälter einströmen kann. Da bei den aus dem Stand der Technik bekannten Konstruktionen der Belüftungskanal über seine gesamte Länge einen vorgegebenen, im Wesentlichen gleichbleibenden Querschnitt aufweist, können im Stand der Technik Situationen auftreten, bei welchen durch plötzlich auftretende Druckunterschiede oder Ähnliches der Ausgießvorgang unterbrochen oder durch ein unerwünscht starkes Ausschwappen oder Ausgießen der Flüssigkeit gestört wird. Diesem Effekt wirkt die erfindungsgemäße Konstruktion entgegen, da der hohl ausgebildete Griff einen zusätzlichen Belüftungs-Strömungsweg bildet. Weiterhin schafft das Innenvolumen des Griffs ein Puffervolumen, welches bei plötzlichen Druckunterschieden zu einem Druckausgleich beiträgt. Insbesondere zu Beginn des Ausgießvorgangs werden somit plötzliche Druckunterschiede, die sich auch durch mechanische Verformungen des Kunststoffbehälters beim Entleeren ergeben können, soweit kompensiert, dass eine gleichmäßige Lufteinströmung und damit Belüftung des BehälterInnenraums gewährleistet ist.As a result of the embodiment according to the invention, an enlargement of the cross-section available for ventilation has thus been created since the air flowing in to compensate for the negative pressure forming in the container during pouring can flow into the container both through the ventilation channel and through the high grip. Since in the constructions known from the prior art, the ventilation channel over its entire length has a predetermined, substantially constant cross-section, situations may occur in the prior art, in which interrupted by sudden pressure differences or the like, the pouring or by an undesirably strong Ausschwappen or pouring the liquid is disturbed. This effect counteracts the construction according to the invention, since the hollow handle forms an additional ventilation flow path. Furthermore, the inner volume of the handle creates a buffer volume, which contributes to pressure equalization in the event of sudden pressure differences. In particular, at the beginning of the pouring process, sudden pressure differences, which can also result from mechanical deformation of the plastic container during emptying, are compensated to the extent that a uniform air inflow and thus ventilation of the container interior is ensured.
Da der erfindungsgemäße Kunststoffbehälter in einem Blasverfahren hergestellt wird, ist es auf besonders einfache Weise möglich, den Griff hohl auszubilden und mit dem Belüftungskanal strömungstechnisch zu verbinden. Somit ergibt sich auch eine kostengünstige und einfache Herstellbarkeit des erfindungsgemäßen Kunststoffbehälters.Since the plastic container according to the invention is produced in a blow molding process, it is possible in a particularly simple manner to make the handle hollow and fluidically connect with the ventilation duct. This also results in a cost-effective and easy manufacturability of the plastic container according to the invention.
Erfindungsgemäß ist vorgesehen, dass der vordere Endbereich des Griffs, welcher in den Belüftungskanal mündet bzw. von diesem abzweigt, mit einem kleineren Querschnitt versehen ist, als der Innenraum des Griffs. Somit bildet der Innenraum des Griffs ein Puffervolumen, welches über einen kleineren Querschnitt mit dem Belüftungskanal verbunden ist. Dieses Luft-Puffer-Volumen ist besonders wirksam beim Ausgleich von plötzlich auftretenden Druckunterschieden zwischen dem Innenraum des teilweise entleerten Kunststoffbehälters und der Umgebung.According to the invention, it is provided that the front end region of the handle, which opens into the ventilation channel or branches off from it, is provided with a smaller cross section than the interior of the handle. Thus, the interior of the handle forms a buffer volume, which is connected via a smaller cross section with the ventilation duct. This air-buffer volume is particularly effective in compensating for sudden pressure differentials between the interior of the partially empty plastic container and the environment.
Weiter ist erfindungsgemäß vorgesehen, den hinteren Endbereich des Griffs, der in den Innenraum des Kunststoffbehälters mündet, mit einem kleineren Querschnitt zu versehen, als den Innenraum des Griffs. Auch hierdurch können die Strömungsverhältnisse bei der Belüftung des Behälters besonders günstig beeinflusst werden.Further, the invention provides, the rear end portion of the handle, which opens into the interior of the plastic container, to be provided with a smaller cross-section than the interior of the handle. This also allows the flow conditions in the ventilation of the container to be influenced particularly favorable.
Weiterhin ist es vorteilhaft, wenn die Mündung des vorderen Endbereichs des Griffs tiefer angeordnet ist, als die Mündung des Entlüftungskanals in den Ein- und Ausfüllstutzen. Auf diese Weise wird sichergestellt, dass Flüssigkeitsvolumina, welche beim geschlossenen Behälter bei dessen Transport in den Griff gelangen können, ungehindert in den Innenraum des Behälters rückfließen können.Furthermore, it is advantageous if the mouth of the front end region of the handle is arranged lower than the mouth of the venting channel in the inlet and Ausfüllstutzen. In this way, it is ensured that fluid volumes which can reach the handle when the container is closed can flow unhindered into the interior of the container.
Der oben beschriebene Effekt wird in vorteilhafter Weise dadurch unterstützt, dass der Belüftungskanal in einem Winkel von 2° bis 15° nach hinten von dem Ein- und Ausfüllstutzen verlaufend schräg abwärts geneigt ist. Wenn sich der Kunststoffbehälter in seiner üblichen normalen, aufrechten Position befindet, läuft somit jegliches Fluid, was in den Griff oder den Belüftungskanal gelangt sein mag, in den Innenraum des Behälters zurück.The effect described above is advantageously supported by the fact that the ventilation duct is inclined at an angle of 2 ° to 15 ° to the rear of the inlet and Ausfüllstutzen extending obliquely downwards. Thus, when the plastic container is in its usual normal upright position, any fluid that may have entered the handle or vent channel will revert to the interior of the container.
Um eine sichere Belüftung zu unterstützen, kann es weiterhin vorteilhaft sein, wenn der Belüftungskanal mit seinem hinteren Ende unterhalb des hinteren Endbereichs des Griffs mündet. Somit ist auch bei einem starken Schwappen der Flüssigkeit während des Entleerens des Behälters sichergestellt, dass die Belüftung des Innenraums durch den Griff erfolgen kann.In order to promote safe ventilation, it can also be advantageous if the ventilation duct opens with its rear end below the rear end region of the handle. Thus, even with a strong sloshing of the liquid during emptying of the container ensures that the ventilation of the interior can be done by the handle.
Der erfindungsgemäße Kunststoffbehälter bietet somit ein Höchstmaß an Sicherheit, da unter allen Betriebsbedingungen sichergestellt ist, dass der Innenraum beim Entleeren der Flüssigkeit in ausreichender Weise belüftet wird, um eine Unterbrechung oder eine Störung des Ausgießvorgangs zu verhindern. Selbst starkes Schwappen, unsachgemäße starke Neigungen des Behälters beim Ausgießen oder mechanische Verformungen des Behälters können somit den störungsfreien Entleerungsvorgang nicht stören.The plastic container according to the invention thus offers the highest degree of safety, as it is ensured under all operating conditions that the interior is sufficiently vented when emptying the liquid in order to prevent interruption or disturbance of the pouring process. Even heavy sloshing, improper strong inclinations of the container during pouring or mechanical deformation of the container can thus not interfere with the trouble-free emptying process.
Im Folgenden wird die Erfindung anhand eines Ausführungsbeispiels in Verbindung mit der Zeichnung beschrieben. Dabei zeigt:
- Fig. 1
- eine Teil-Schnittansicht des oberen Bereichs des erfindungsgemäßen Kunststoffbehälters,
- Fig. 2
- eine Draufsicht auf den erfindungsgemäßen Kunststoffbehälter,
- Fig. 3
- eine Schnittansicht längs der Linie B-B von
Fig. 1 , - Fig. 4
- eine Schnittansicht längs der Linie C-C von
Fig. 1 , und - Fig. 5
- eine Schnittansicht längs der Linie D-D von
Fig. 1 .
- Fig. 1
- a partial sectional view of the upper portion of the plastic container according to the invention,
- Fig. 2
- a top view of the plastic container according to the invention,
- Fig. 3
- a sectional view taken along the line BB of
Fig. 1 . - Fig. 4
- a sectional view taken along the line CC of
Fig. 1 , and - Fig. 5
- a sectional view taken along the line DD of
Fig. 1 ,
Der erfindungsgemäße Kunststoffbehälter ist als Stapelbehälter ausgebildet, er weist eine im Wesentlichen quaderförmige Außenkontur mit abgerundeten Ecken und Kanten auf, so wie dies aus dem Stand der Technik bekannt ist. Auf eine diesbezügliche Darstellung wurde deshalb verzichtet.The plastic container according to the invention is designed as a stack container, it has a substantially cuboid outer contour with rounded corners and edges, as is known from the prior art. On a related presentation was therefore omitted.
Die
Der Ein- und Ausfüllstutzen 4 ist mit einem Außengewinde versehen, um eine Verschlusskappe aufzuschrauben. Im Ausgießbereich des Ein- und Ausfüllstutzens 4 mündet ein Entlüftungskanal 6. Auch diesbezüglich wird hinsichtlich der Detailkonstruktion auf den bekannten Stand der Technik, beispielsweise auf die
Der Belüftungskanal 6 verläuft im Wesentlichen waagrecht unterhalb der oberen Wandung 3. Er ist einstückig mit dem Kunststoffbehälter mittels eines Blasformverfahrens ausgebildet.The
In einem Abstand von dem vorderen, dem Ein- und Ausfüllstutzen 4 zugewandten Bereich des Belüftungskanals 6 mündet in diesen ein vorderer Endbereich 8 des hohlen Griffs 5, durch welchen dessen Innenraum 7 mit dem Belüftungskanal 6 verbunden ist.At a distance from the front, the inlet and Ausfüllstutzen 4 facing area of the
Ein hinterer Endbereich 9 des hohlen Griffs 5 verbindet dessen Innenraum 7 mit dem Innenraum des Kunststoffbehälters, insbesondere mit einem durch einen erhöhten Bereich 10 der oberen Wandung 3 ausgebildeten Bereich.A
Wie sich insbesondere aus
Die
Die
- 11
- Seitenwandungsidewall
- 22
- Seitenwandungsidewall
- 33
- Obere WandungUpper wall
- 44
- Ein- und AusfüllstutzenInlet and outlet nozzles
- 55
- GriffHandle
- 66
- Belüftungskanalventilation duct
- 77
- Innenraum des GriffsInterior of the handle
- 88th
- Vorderer EndbereichFront end area
- 99
- Hinterer EndbereichRear end area
- 1010
- Erhöhter BereichElevated area
Claims (5)
- Plastic container for holding a liquid, having a base, side walls (1, 2) and an upper wall (3), which is provided with an inlet and outlet spout (4) which can be closed tightly by means of a screw cap, and with a handle (5) formed in one piece with the wall (3), underneath the upper wall (3) there being formed a ventilation duct (6) extending from the inlet and outlet spout (4), the plastic container being produced in one piece in the blow moulding process, the interior (7) of the handle (5) having a flow connection to the ventilation duct (6) in its front end region (8) facing the inlet and outlet spout (4), and the interior (7) of the handle (5) opening into an elevated region (10) of the upper wall (3) in its rear end region (9) facing away from the inlet and outlet spout (4), while the ventilation duct (6) underneath the handle (5) opens into the interior of the container,
characterized in that, in order to form an air buffer volume to compensate for pressure differences that occur suddenly, the front end region (8) of the handle (5) is formed with a smaller cross section than the central region of the handle (5) forming the interior (7) of the handle (5), and in that the rear end region (9) of the handle (5) is formed with a smaller cross section than the central region of the handle (5) forming the interior (7) of the handle (5). - Plastic container according to Claim 1, characterized in that the opening of the front end region (8) of the handle (5) is arranged lower than the opening of the ventilation duct (6) into the inlet and outlet spout (4).
- Plastic container according to Claim 1 or 2, characterized in that the ventilation duct (6) is inclined obliquely downwards, running towards the rear of the inlet and outlet spout (4) at an angle of 2° to 15°.
- Plastic container according to one of Claims 1 to 3, characterized in that the ventilation duct (6) opens with its rear end underneath the rear end region (9) of the handle (5).
- Plastic container according to one of Claims 1 to 4, characterized in that this is formed as a stacking canister.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT05028757T ATE409647T1 (en) | 2005-12-30 | 2005-12-30 | PLASTIC CONTAINERS |
EP05028757A EP1803650B1 (en) | 2005-12-30 | 2005-12-30 | Plastic container |
DE502005005565T DE502005005565D1 (en) | 2005-12-30 | 2005-12-30 | Plastic containers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05028757A EP1803650B1 (en) | 2005-12-30 | 2005-12-30 | Plastic container |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1803650A1 EP1803650A1 (en) | 2007-07-04 |
EP1803650B1 true EP1803650B1 (en) | 2008-10-01 |
Family
ID=36367051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05028757A Active EP1803650B1 (en) | 2005-12-30 | 2005-12-30 | Plastic container |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1803650B1 (en) |
AT (1) | ATE409647T1 (en) |
DE (1) | DE502005005565D1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2429004B (en) * | 2006-05-25 | 2007-10-17 | Jason Lee Bayliffe | Spout unit |
EP2248696B1 (en) | 2009-05-04 | 2015-04-08 | Ford Global Technologies, LLC | Use of a fuel tank with compensation conduit |
DE102009021997A1 (en) * | 2009-05-19 | 2010-11-25 | Fhw-Moulds Gmbh | Stackable container, particularly stackable can, for storage and transport of liquids, has pouring neck molded in border area at container upper side with lockable outlet opening |
DE102014116429B4 (en) | 2014-11-11 | 2020-06-25 | Fhw-Moulds Gmbh | container |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2506724B2 (en) * | 1981-05-26 | 1986-02-07 | Seprosy | CAN OF SYNTHETIC MATERIAL HAVING A FLOW REGULATOR |
DE9004463U1 (en) * | 1990-04-19 | 1990-09-20 | Muetz, Norbert | |
FR2675771B1 (en) * | 1991-04-29 | 1993-08-20 | Itm Entreprises | CONTAINER OF MOLDED SYNTHETIC MATERIAL, OF CANISTER TYPE OR THE LIKE, COMPRISING MEANS OF CONTROLLING FLOW. |
DE9406266U1 (en) | 1994-04-15 | 1994-06-30 | Frohn Walter | Containers for the transport of dangerous liquids |
SE9703162D0 (en) * | 1997-09-03 | 1997-09-03 | Hugo Nilsson | Container |
-
2005
- 2005-12-30 AT AT05028757T patent/ATE409647T1/en not_active IP Right Cessation
- 2005-12-30 EP EP05028757A patent/EP1803650B1/en active Active
- 2005-12-30 DE DE502005005565T patent/DE502005005565D1/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE502005005565D1 (en) | 2008-11-13 |
ATE409647T1 (en) | 2008-10-15 |
EP1803650A1 (en) | 2007-07-04 |
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