EP1529004B1 - Fuel tin - Google Patents

Abstract

The invention relates to a fuel paste tin, comprising a dished tin body (1) and a sealing lid (3), fixed to the tin body (1) with two pre-scored lines (6), along which a partial lid section (7) may be removed from the sealing lid (3) by breaking a material connection to generate a precisely defined opening (4, 10, 11) in the sealing lid (3). The invention permits the production of fuel paste tins with may be employed directly as paste burners with a desired burn capacity and burn duration, which are economic to produce and cause little litter.

Description

TECHNICAL AREA

The invention relates to a fuel can, and the use of the fuel can as a heat and / or light source according to the preambles of the independent claims.

STATE OF THE ART

Fuel cans having a fuel charge and a closure cap are widely used as small containers for providing fuel for combustion burners and, in a known embodiment, comprise a fuel pan filled aluminum tray with peelable film lid which is inserted into a chimney burner for use after removal of the film lid Area of the fuel surface provides a burner opening and a plurality of air supply openings. These fuel cans are inexpensive to manufacture and cause relatively little waste, but require a suitable burner for their intended use.

Also Brennmitteldosen with fuel paste filling are known, which consist of a tin pot similar from a tin can with an upwardly narrowed opening and a clamping lid, the narrowed opening after removal of the lid serves as a burner opening. As a result, the fuel can can be used directly as a burner, but is costly to manufacture and causes relatively much waste. CH690317 discloses a fuel paste and a fondue and raclette burner adapted thereto. FR2624104 discloses a plastic container with lid for heating food. DE1586927 discloses an aluminum composite film with defined gas permeability and its use as packaging material. US3194479 discloses a container with the lid sealed.

DESCRIPTION OF THE INVENTION

It is therefore an object to provide a fuel can and a cap for a fuel can available that do not have the aforementioned disadvantages of the prior art, or at least partially avoided.

This object is achieved by the fuel can and the cap according to the independent claims.

In a first aspect of the invention, the fuel can, which is provided as a disposable container for heating and / or lighting purposes, a cup or cup-like can body with a fuel filling and a closure lid which closes the can body tightly and is firmly connected thereto, which For example, by welding or gluing the closure lid to the can body, in particular by heat sealing the same to the can body, or by crimping can be achieved. The closure lid has one or more predetermined separating points, to which one or more lid part elements are integrally connected, ie by integral formation, by gluing or by welding or soldering, with the remaining closure lid, such that a partial or complete Ab- and / or Separating this cover part elements by hand and without the use of tools from the rest of the closure lid or out of it is possible and thereby create one or more well-defined openings in the cap. The planar extent of these openings is significantly smaller than the total surface of the closure lid or the surface of a fuel filling in the can body at medium filling level. The predetermined separation points can be designed, for example, as areas weakened by punching or material removal or as adhesive surfaces. As Brennmittelfüllungen all fillings are provided, which after the separation or separation of the Cover part elements on the opening thus produced provide a fuel in flammable form, and preferably such that it can not be spilled at least at room temperature and directly after opening. The fuel fillings must not be formed exclusively by the fuel, but may also include wicks and absorbent carrier materials for immobilization and / or as a wick for the fuel, which is particularly useful when liquid at room temperature fuel, such as diethylene glycol, are used , By means of the invention it is possible to realize fuel cans which can be used directly as a heat source, for example a rechaud burner, or a light source with a desired power and burning time, are inexpensive to manufacture and safe to operate and cause little waste.

In a preferred embodiment of the fuel can, the predetermined separation points are designed such that the one or more separable lid part elements are not completely separated from the lid after a complete separation of the predetermined separation points, but remain captive with this. As a result, all components of the fuel can stay together, which facilitates disposal and also opens the possibility to close the used fuel can at least temporarily again.

In a further preferred embodiment of the fuel can, the closure lid is designed in such a way that at least part of the openings which can be produced by separating and / or separating lid part elements can be exposed by peeling off one or more lid part elements designed as peel-off foil elements, it being preferred if Exactly one such Abziehfolienelement extends continuously over the entire closure lid. The Abziehfolienelemente thus cover openings in underlying Cover parts and can be removed by releasing their adhesive bond with these cover parts, which represents the predetermined separation point, whereby the openings are released. This construction offers the advantage that the detachable cover part elements can be made of a different material than the rest of the lid, which is hot in operation and therefore in the choice of materials leaves little choice, and that any problems in canceling the cohesive connection along the predetermined separating points has virtually no influence on the geometry of the opening to be exposed. It is also possible to use a multilayer film with a Abziehfoliendeckschicht for the production of the closure lid and insert the desired openings already in all film layers except the Abziehfoliendeckschicht by punching, so that the punched parts are automatically removed when removing the Abziehfoliendeckschicht from the openings.

In yet another preferred embodiment of the fuel can, the closure lid is designed such that at least a portion of the openings can be produced by separating out portions of the actual closure lid, so are formed integrally with the opening elements delimiting the opening to be generated prior to their separation. The term "actual lid" here refers to the one or more components which remain after removing the detachable or detachable cover part elements on the can body and limit the openings. This has the advantage that the closure lid consists of a single-layer semifinished product, e.g. Foil or sheet, can be produced, which can be realized particularly simple and inexpensive cover.

In a further preferred embodiment, the closure lid of the fuel can is designed such that the separation or separation one or more openings with different opening geometries and surfaces can be created by one or more cover part elements and / or the number of openings can be set optionally. Thus, for example, various cover part elements may be present, which can be separated or separated depending on the desired burning time and power or can remain untouched. As a result, it is possible in a simple manner to produce a heating and / or light source specially tailored for the respective intended use from the fuel box according to the invention, depending on the means of transport and other design.

Preferably, the closure lid of the inventive fuel can substantially consists of a foil or a sheet, in the latter case preferably made of aluminum sheet, since these materials are inexpensive as a semi-finished material available and can be processed with only a few and relatively simple processing steps to a novel closure cap. The term "essentially" here means that at least the areas of the closure lid which remain on the can body after removal of the removable or detachable lid part elements are made of such a material.

If the closure cap consists of a sealing foil, which is preferably formed from several different layers of material, then it can be sealed by simple means on a flange edge of the can body, whereby a secure and tight connection between closure cap and can body can be produced.

In this case, it is preferable to use a sealing film which, in addition to the sealing layer, has at least two metal foils, preferably made of aluminum, which are connected to each other in a planar manner by means of a plastic layer located between them, preferably of polyethylene.

If a first of the two metal foils, preferably the one which faces away from the can body, is weakened or interrupted along the predetermined separation point, while the other metal foil is formed continuously in the area of the predetermined separation point, then a lid with high strength and a reliably separable lid results predetermined breaking point.

In all embodiments, to facilitate removal or removal, the lid member elements preferably have opening aids which are advantageously designed as pull tabs or pull rings and advantageously overhang an outer boundary of the fuel box, e.g. as an extension of the closure lid, so that they can be grasped by hand. In the case of pull tabs, notches are advantageously present at the transition from the tab to the actual lid, which facilitate tearing of the predetermined separating points.

Advantageously, the closure lid is designed in such a way that an opening or openings with an opening pattern resulting from the separation or separation of the lid part elements, which has two axes of symmetry, wherein it is preferred that the axes of symmetry substantially in a vertical axis through the Cut center of can body. In this way it can be ensured that the most symmetrical flame pattern possible is achieved during operation and that a uniform burnup of the combustion medium located in the can body takes place.

Preferably, the closure lid is designed such that by opening or removing the lid part elements in the closure lid in the region of the center of the fuel can an opening, called the center opening, produce, which has substantially the same shape as the surface of a fuel filling in can body, especially at medium level, and is arranged concentrically to this. This embodiment provides the advantage that the boundaries of the fuel surface are almost everywhere equidistant from the boundaries of the center opening, which serves as a burner opening in operation, whereby a uniform burning of the fuel is promoted.

It is preferred if the center opening is substantially circular or square and preferably has an area which corresponds to at least 15%, preferably at least 20% of the surface of the fuel charge, in particular at medium filling level. This results over the entire burning time a uniform burner performance and a stable flame image. The term "substantially circular or square" means that this opening has a shape which is circular or square or approximated to the circular shape or the shape of the square, in the case of the circular shape e.g. through a uniform polygon.

If at least one radially outwardly extending strip-shaped opening element extends from the center opening, which preferably extends as far as the closure lid edge, then an opening image can be produced by separating out a single lid part element in which the center opening exclusively serves as a burner opening, while the one or more strip-shaped opening elements serve as air supply openings. As a result, a particularly stable flame pattern and a high burner output is achieved.

It is advantageous if the transition between the center opening and the radially outwardly extending strip-shaped opening form elements is flowing or harmonious, since so abrupt changes in shape, which could lead to problems when separating the predetermined separation points, can be avoided can. It is particularly preferred if the center opening forms a pear-shaped cover part element together with a radially outwardly extending strip-shaped opening form element.

Advantageously, the closure lid is designed such that the removal or removal of preferably exactly one lid part element results in an opening pattern in which two strip elements opening at an angle of 180 ° extend outwardly from the center opening. Such an arrangement favors a problem-free separation of the lid part element from the closure lid.

Similar advantages as described above result if, in addition to the center opening, further smaller, preferably substantially circular openings can be produced by the removal or separation, wherein it is preferred if these surround the center opening concentrically and with a uniform pitch.

If the closure lid is designed in such a way that the sealing substance bond between the lid part element and the adjacent lid regions along the predetermined separation point is irreversibly removed by the separation or separation, then used or opened fuel cans can be distinguished in a simple manner from new, closed ones.

As a can body preferably a deep-drawn cup or a deep-drawn shell made of aluminum or tinplate is used, since such can bodies can be produced inexpensively, generate relatively little waste after use and can also be recycled, it being particularly advantageous if the can body and the cap are essentially made of identical materials.

In a preferred embodiment of the fuel can, the fuel charge consists of a Fuel paste with or without wick, preferably from a 80g to 100g or 150g to 300g heavy filling of thickened ethanol, isopropanol or methanol, in which case no wick is required due to the low ignition temperature. Such fuel cans can be used excellently as burners for rechauds.

In another preferred embodiment of the fuel can, the fuel charge consists of a fixed at room temperature fuel with or without wick, it being preferred, polyethylene glycols, stearin, paraffin, hydrocarbon derivatives, waxes, waxy fuels or their derivatives or a mixture of these with to use a wick. In particular, when using fuel fills from enriched with fragrances stearin and / or paraffin combined bulbs with additional fragrance effect can be provided in this way, which can be stored for a long time in the unused condition without sacrificing their fragrance effect.

Preferably, the fuel charge is a liquid or solid fuel which is obtained by incorporation in an absorbent, preferably wadding or nonwoven material, such as e.g. Stone or glass wool, pulp or wadding, is immobilized, i. can not be distributed with open fuel can. In this case, the absorbent material preferably simultaneously assumes the function of a wick, if such is required. This refinement makes it possible to use firing agents which are liquid at room temperature, such as diethylene glycol or solid at room temperature and burners liquefying when burning, such as polyethylene glycol in a safe manner as fuel.

A second aspect of the invention relates to the use of the fuel can according to the first aspect of the invention Invention as a heat, heating and / or light source, in particular as a Rechaudbrenner or lamp.

BRIEF DESCRIPTION OF THE DRAWINGS

• Fig. 1a eine perspektivische Ansicht einer erfindungsgemässen Brennmitteldose mit einem einstückigen Folien-Verschlussdeckel mit einem heraustrennbaren Teilbereich in ungeöffnetem Zustand;
• Fig. 1b eine perspektivische Ansicht der Brennmitteldose aus Fig. 1a in geöffnetem Zustand;
• Fig. 2 eine Draufsicht auf die Brennmitteldose aus Fig. 1a;
• Fig. 3 bis Fig. 12 Draufsichten auf weitere erfindungsgemässe Brennmitteldosen mit einstückigen Folien-Verschlussdeckeln mit heraustrennbaren Teilbereichen;
• Fig. 13 bis Fig. 17 Draufsichten auf weitere erfindungsgemässe Brennmitteldosen mit Verschlussdeckeln aus Blech mit heraustrennbaren Teilbereichen;
• Fig. 18 bis Fig. 21 Draufsichten auf weitere erfindungsgemässe Brennmitteldosen mit Verschlussdeckeln mit Abziehfolienelementen; und
• Fig. 22 einen nichtmasstäblichen Schnitt durch den Siegelfoliendeckel einer Brennmitteldose gemäss einer der Figuren 1 bis 12.

Further embodiments, advantages and applications of the invention will become apparent from the dependent claims and from the following description with reference to FIGS. Showing:

• Fig. 1a a perspective view of an inventive fuel can with a one-piece Foil cap with a detachable section in unopened condition;
• Fig. 1b a perspective view of the fuel can Fig. 1a in open condition;
• Fig. 2 a plan view of the fuel can Fig. 1a ;
• FIG. 3 to FIG. 12 Top views of further fuel cans according to the invention with one-piece foil closure lids with detachable partial regions;
• FIGS. 13 to 17 Top views of further inventive fuel cans with caps made of sheet metal with separable portions;
• FIG. 18 to FIG. 21 Top views of further inventive fuel cans with caps with Abziehfolienelementen; and
• Fig. 22 a non-dimensional section through the sealing foil lid of a fuel can according to one of FIGS. 1 to 12 ,

WAYS FOR CARRYING OUT THE INVENTION

The basic principle of the invention can be based on the FIGS. 1a and 1b recognize which perspective views of a fuel container according to the invention once in the unopened state ( Fig. 1a ) and once in the open state ( Fig. 1b ) demonstrate. As can be seen, the fuel can consists of a can body 1 in the form of a deep-drawn aluminum cup with flange-like edge, which is filled with a fuel 2, in the present case with fuel paste 2 from thickened ethanol, and from a closure cap 3 in the form of a multilayer sealing film, which is firmly and tightly connected to the can body 1 by sealing on the flange-like edge.

How out Fig. 1a it can be seen, the closure lid 3 in the unopened state, a lid part element 7, which is configured as part of the closure lid 3 which can be separated out along two predetermined separating points 6 (dashed lines). The predetermined separation points 6 were produced by weakening the film forming the closure cap 3 along the dashed lines, in the present case by punching or burning away with a laser some but not all material layers of the film, so that a continuous tight and cohesive connection between the cover part element 7 and the adjacent thereto areas of the closure lid 3 is maintained. As can also be seen, the removable cover part element 7 extends in places to the edge of the closure lid 3 and ends there at a location in a pull tab 8, which protrudes beyond the outer boundary of the fuel can and by means of which the lid member 7 without the use of tools by hand can be separated out of the closure lid 3 by pulling up the pull tab 8. When separating the lid part element 7, the cohesive connection with the adjacent lid areas along the predetermined separation points 6 is irreversibly dissolved by tearing the non-punched or burned-out material layers, the lid part element 7 is completely separated from the closure lid, so that a reclosure of the opened fuel can is not possible and this moreover, it is recognizable as already opened.

As it turned out Fig. 1b results, which shows the fuel can after removing the cover part element 7, the closure lid 3 is configured in the present case such that the opening of the lid part element 7 results in an opening 4 with an opening pattern with two axes of symmetry, which in a vertical axis through the Cutting center of fuel can. In this case, the opening 4 consists of a circular center opening 11, which concentric to the circular surface of the fuel paste filling is arranged in the can body 1 and from which two strip-shaped opening form elements 10 extend radially outward to the closure lid edge. The two strip-shaped opening form elements 10 are exactly opposite, ie they have a common longitudinal axis which passes through the center of the center opening 11.

In the FIGS. 2 to 12 are plan views of further inventive fuel cans, also with closure lids 3 of a multi-layered sealing film with fully or partially detachable portions 7, shown in the unopened state, wherein Fig. 2 a plan view of the already described fuel can.

The FIGS. 3 to 10 each show plan views of fuel cans, the closure lid 3 has a single detachable cover part element 7, wherein when separating it along the predetermined separation point 6 different opening images result, namely in the in FIGS. 3 to 7 illustrated fuel cans aperture images with only one axis of symmetry ( Fig. 3 Circle with a strip-shaped opening shaped element, FIGS. 4 and 5 pear-shaped openings, Fig. 6 Circular section, Fig. 7 Circle segment) and in the other fuel cans opening images with two mutually perpendicular symmetry axes ( Fig. 8 Lemon shape, Fig. 9 Strip form, Fig. 10 Rhombus with two opposite strip-shaped opening form elements), which also intersect in a vertical axis through the center of the can body 1 and thus give a burner geometry, which favors a stable flame and a uniform burnup of the fuel during operation.

At the in Fig. 5 shown Brennmitteldose ends the predetermined separation points 6 within the areal extent of the closure lid 3, so that here a only partially detachable subregions 7 is present, which remains captive after separation of the predetermined separation points on the closure lid 3, such that it can be folded down when using the fuel can and can be folded in a business interruption temporarily again on the released by him burner opening to this during to cover the disuse.

In contrast to all other shown fuel cans, the in Fig. 10 shown Brennmitteldose on a square shell as a can body 1. As a result, such fuel cans require very little space during transport and storage. As can be seen from the dashed lines separating points 6, here is the closure lid, as already in the fuel can in Fig. 2 , Such designed that by the separation of the lid part element 7, a center opening is formed, which has substantially the same shape as the surface of the fuel charge in the can body, so in the present case, a substantially square shape, and is also arranged concentrically to this surface. In addition, after removal of the lid part element 7, starting from two opposite corners of the square center opening, two strip-shaped and outwardly widening opening shape elements extend toward the corresponding corners of the closure lid 3. This training favors in operation a separation of the total opening in burner zone (square center opening) and air supply zones (strip-shaped opening form elements), which incidentally also on the opening shapes of the in the FIGS. 1 to 5 and 11 and 12 shown fuel cans applies.

The FIGS. 11 and 12 show, in contrast to the previously shown fuel cans, which have only foil closure lid 3 with a single detachable lid part element 7, such which the closure lid 3 two ( Fig. 11 ) or three ( Fig. 12 ) has detachable cover part elements 7a, 7b and 7a, 7b, 7c along predetermined separating points 6. Each of the cover part elements 7 extends to the lid edge, where it ends in a projecting beyond the fuel can contour pull tab 8, by means of which it is manually separable from the closure lid 3.

Like the predetermined breaking points 6 in FIG Fig. 11 can be seen, the closure lid 3 of this fuel can is designed such that depending on the desired burner performance and burning time either the cover part element 7a (for smaller burner power and longer burning time) or the cover part element 7b (for greater burner power and shorter burning time) can be separated out in the the latter case, the lid part element 7a is automatically separated out with the lid part element 7b. After separation, an opening geometry similar to that results in both cases FIG. 1b already described, however, each with different sized center openings 11 and different width strip-shaped opening form elements 10th

Like the predetermined breaking points 6 in FIG Fig. 12 can be seen, the closure lid 3 in this further embodiment of the inventive fuel can is designed such that after separation of the lid part element 7b results in an opening which is identical in shape and size with that in Fig. 1b is. In addition, however, here still the cover part elements 7a and 7c can be separated out, whereby an opening image of higher symmetry is achieved, which leads to an increased burner performance and a more uniform burning of the fuel charge during operation.

The FIGS. 13 to 17 show plan views of further inventive fuel cans, which in contrast to the previously shown with closure lids are made of aluminum sheet. Again, the closure lid 3 in the unopened state cover part elements 7, 7a, 7b, which are each formed as separable along a predetermined separation point 6 portions of the closure lid 3. The predetermined separation points 6 were generated in these embodiments in that the metal sheet forming the closure lid 3 was weakened along the dashed lines, in the present case by embossing corresponding notches in the surface of the sheet.

In order to facilitate a separation of the cover part elements, each cover part element 7, 7a, 7b a pull ring 9, with which by folding first a part of the cover part element 7, 7a, 7b are bent under tearing of the sheet at a location of the predetermined separation point 6 for can interior can and then the entire lid member 7 can be separated by pulling on the pull ring 9 with a further separation along the predetermined separation point 6 from the cap 3. In this case, the cohesive connection with the adjacent lid areas along the predetermined separation points 6 is irreversibly dissolved, so that again a resealing of the opened fuel can is not possible and this is undoubtedly recognizable as already open.

As is apparent from the predetermined breaking points 6 shown by dashed lines, the closure lid 3 of the in the Fig. 13 to 16 shown fuel cans each exactly one completely detachable cover part element 7, wherein they are in the shape or arrangement of the same ( Fig. 13 Circle arranged on the edge of the lid, Fig. 14 Circular section arranged on the edge of the lid, Fig. 15 Circle arranged in the lid center, Fig. 16 Free form arranged in the center of the lid). Accordingly, the separation of the lid part elements leads 7 to open fuel cans different opening images, which represent burners of different characteristics.

In the Fig. 16 shown freeform from regularly around a center arranged around identical round lobes has four axes of symmetry, which intersect in a vertical axis through the center of the can body 1, and has the advantage that the resulting after separation correspondingly shaped opening has a surface dominant dominant center, which is surrounded by the four radially outwardly extending Endlappenformelementen, whereby the center in operation forms the burner opening and serve the outer flap portions of the air supply. This burner geometry also promotes a stable flame and a uniform combustion of the fuel.

Like the predetermined breaking points 6 in FIG Fig. 17 can be seen, the cap 3 of this fuel can as in the fuel can according to Fig. 11 designed such that depending on the desired burner output and burning time either the circular central cover part element 7a (for smaller burner power and longer burning time) or the annular, the cover part element 7a surrounding cover part element 7b (for greater burner power and shorter burning time) can be separated out, in the latter case the lid part element 7a is automatically separated out with the lid part element 7b. After separation, an opening geometry is obtained in both cases, as in Fig. 15 , but with different opening areas.

The FIGS. 18 to 21 show plan views of further inventive fuel cans, in which the closure lid 3 are provided with Abziehfolienelemente 5 separable lid part elements 7 with pull tabs 8, which release after their removal indicated here by dashed lines openings in the cap. The target separating points 6 are formed in these embodiments by the bond between Abziehfolienelement 5 and support surface and are therefore not directly visible in the plan view.

In the fuel cans of FIGS. 18 and 19 the actual closure lid 3 consists of a sealing foil or a metal sheet with the desired opening ( Fig. 18 circular opening in the center, Fig. 19 cross-shaped opening in the center), wherein the opening is covered by a glued Abziehfolienelement 5.

The covers of the fuel cans according to FIGS. 20 and 21 are made of a multi-layered sealing film with a Abziehfoliendeckschicht so that the or the Abziehfolienelemente 5, 5a. 5b extend over the entire closure lid 3. The openings shown by dashed lines in the lid material remaining after the removal of the release liner elements 5, 5a, 5b were produced by punching through all the film layers except for the release liner cover layer. When the peel-off film elements 5, 5a, 5b are peeled off, the punched-out film parts are removed together with them.

Like the solid thin line in the lid area in Fig. 21 3 shows the lid 3 of the fuel can shown in this figure two substantially concentric Abziehfolienelemente 5a, 5b, depending on the desired burner performance and burning time either only the central Abziehfolienelement 5a (for smaller burner power and longer burning time) or both Abziehfolienelemente 5a, 5b (for greater burner power and shorter burning time) can be removed. By subtracting the central Abziehfolienelements 5a a central circular burner opening and some of this burner opening with uniform division surrounding smaller circular air supply openings are released, whereby the opening pattern of a base burner. If, in addition, the peel-off film element 5b is pulled off, additional air supply openings of the type described above are released, resulting in the opening image of a burner with increased burner output.

Fig. 22 shows a non-dimensional section through an inventive cap 3 from a sealing film according to the invention. Such a closure lid 3 is also in the FIGS. 1 to 12 shown. As can be seen, the sealing film, from which the closure lid 3 is formed, consists of two approximately 30 μm thick aluminum foils 13, 14, which are connected to one another via an intermediate approximately equally thick PE layer 12 (polyethylene layer). The can body 1 facing aluminum foil 14 is continuous and carries on its side facing the can body 1 side a sealing layer 15, with which the closure lid 3 is sealed onto the flange of the can body 1 (not shown). The side facing away from the can body 1 aluminum foil 13 has on its side facing away from the can body 1 a printing 16 and is interrupted in the region of the predetermined separation point 6, which was achieved in the present case by burning off material with a laser.

While preferred embodiments of the invention are described in the present application, it is to be understood that the invention is not limited thereto and may be embodied otherwise within the scope of the following claims. In particular, various embodiments can be combined with each other and a variety of fuel fills are used with solid or liquid or gelatinous fuel, the fuel filling may include, for example, absorbent substrates for immobilization and / or as a wick for the fuel and individual wicks. It should also be noted that the invention does not occur Rechaudbrenner limited but fuel cans for all conceivable uses as heat, heating and light sources within the scope of the following claims recorded.

Claims (24)

1. Fuel can with a can body (1) containing a fuel filling (2) and a cover lid (3) which is formed by a sealing foil and which by sealing onto a flange like rim of the can body (1) is firmly connected to the can body (1), characterized

   • in that the cover lid (3) is designed in such a manner that at least one opening (4, 10, 11) in the cover lid (3) is producible by a complete or partial severing or detaching of one or more lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c) along one or more material bonded predetermined breaking locations (6) and

   • in that the sealing foil of the cover lid (3) comprises, apart from the sealing layer, at least two metal foils (13, 14) interconnected by a synthetic material layer (12) located between same.
2. Fuel can according to claim 1, characterized in that the metal foils are aluminum foils (13, 14), which are interconnected with each other by a PE-layer (12).
3. Fuel can according to one of the preceding claims, characterized in that a first one (13) of the two metal foils (13, 14) is weakened or interrupted along the predetermined breaking location (6) whereas the second metal foil (14) is continuous in the area of the predetermined breaking location (6).
4. Fuel can according to claim 3, characterized in that the second metal foil (14) faces the can body (1).
5. Fuel can according to one of the preceding claims, characterized in that after the complete severing of the predetermined breaking locations (6) the severable or detachable lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c) remain undetachably connected at the cover lid (3).
6. Fuel can according to one of the preceding claims, characterized in that at least a part of the severable or detachable lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c) are designed as peel-off foil elements (5), and in particular, in that they are formed by a peel-off foil element (5) extending across the entire cover lid (3).
7. Fuel can according to one of the preceding claims, characterized in that at least a part of the severable or detachable lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c) is designed as a subarea (7) which is detachable from the cover lid (3).
8. Fuel can according to one of the preceding claims, characterized in that the cover lid (3) is designed in such a manner that by a severing or detaching of one or more lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c), various openings (4, 10, 11) and/or a differing number of openings (4, 10, 11) are selectively producible in the cover lid (3).
9. Fuel can according to one of the preceding claims, characterized in that the severable or detachable lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c) are equipped with opening aid means (8, 9), in particular with a pulling flap (8) or a pulling ring (9) in order to facilitate a severing or detaching of same, and in particular, in that the opening aid means (8, 9) are designed in such a manner that they project over an outer border of the fuel can and may be gripped by hand.
10. Fuel can according to one of the preceding claims, characterized in that the cover lid (3) is designed in such a manner that by the severing or detaching of the lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c), openings (4, 10, 11) with an opening pattern with at least two axes of symmetry are producible in the cover lid (3), and in particular, in that such opening patterns are producable of which the axes of symmetry intersect in a vertical axis through the center of the can body (1).
11. Fuel can according to one of the preceding claims, characterized in that the cover lid (3) is designed in such a manner that by the severing or detaching of the lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c) a center opening (11) is producible in the cover lid (3), which has substantially the same shape as the surface of a fuel filling (2) in the can body (1) at a medium level of fill and is concentrically arranged relative to same.
12. Fuel can according to claim 11, characterized in that a substantially circular or quadratic center opening (11) is producable, and in particular, in that it comprises an area which corresponds to at least 15 %, in particular to at least 20 % of the surface area of a fuel filling (2) in the can body (1) at a medium level of fill.
13. Fuel can according to one of the claims 11 and 12, characterized in that by the severing or detaching of the lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c), in addition to the central opening (11) one or several strip shaped opening pattern elements (10) are producable which are extending radially outwards from same, which in particular are extending up to the cover lid edge.
14. Fuel can according to claim 13, characterized in that the radially outwards extending strip shaped opening pattern elements (10) pass smoothly into the central opening (11), and in particular, in that the central opening (11) forms together with such a radially outwards extending strip shaped opening element (10) a pear-shaped opening (4).
15. Fuel can according to one of the claims 13 and 14, characterized in that two such strip shaped opening pattern elements (10) are producable, which are located precisely opposite of each other.
16. Fuel can according to one of the claims 11 to 15, characterized in that by a severing or detaching of the cover portion elements (5, 5a, 5b, 7, 7a, 7b, 7c), further small, in particular circular, openings are producable in the cover lid (3) in addition to the central opening (11), which in particular surround the central opening (11) concentrically and with a uniform pitch.
17. Fuel can according to one of the preceding claims, characterized in that the cover lid (3) is designed in such a manner that the severing or detaching of the lid portion elements (5, 5a, 5b, 7, 7a, 7b, 7c) causes an irreversible elimination of the material bond along the predetermined breaking locations (6).
18. Fuel can according to one of the preceding claims, characterized in that the can body (1) is a deep drawn cup or a deep drawn bowl of aluminum or tinplate.
19. Fuel can according to one of the preceding claims, characterized in that the fuel filling (2) consists of a fuel paste (2) with or without wick, in particular of thickened ethanol, isopropanol or methanol without wick.
20. Fuel can according to one of the preceding claims, characterized in that the fuel filling (2) consists of a fuel which is solid at room temperature, with or without wick, in particular of polyethylene glycols, stearin, paraffin, hydrocarbon-derivates, waxes, wax-like fuels or their derivates, resp., or of a mixture thereof as well as a wick.
21. Fuel can according to one of the preceding claims, characterized in that the fuel filling (2) consists of a fuel received in an absorptive, in particular cotton or fleece like material, and in particular, in that the absorptive material during the burning of the fuel has the function of a wick.
22. Fuel can according to claim 21, characterized in that the fuel is a fuel which is liquid at room temperature, in particular diethylene glycol.
23. Fuel can according to claim 21, characterized in that the fuel is a fuel which is solid at room temperature, in particular polyethylene glycol.
24. Use of the fuel can according to one of the claims 1 to 23 as a thermal, heat or light source, in particular as burner for a stove or as lamp.

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