EP1529004B1 - Fuel tin - Google Patents
Fuel tin Download PDFInfo
- Publication number
- EP1529004B1 EP1529004B1 EP03787965A EP03787965A EP1529004B1 EP 1529004 B1 EP1529004 B1 EP 1529004B1 EP 03787965 A EP03787965 A EP 03787965A EP 03787965 A EP03787965 A EP 03787965A EP 1529004 B1 EP1529004 B1 EP 1529004B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel
- lid
- opening
- cover lid
- elements
- 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.)
- Expired - Lifetime
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Images
Classifications
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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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/10—Container closures formed after filling
- B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers
- B65D77/2024—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers the cover being welded or adhered to the container
- B65D77/2028—Means for opening the cover other than, or in addition to, a pull tab
- B65D77/2032—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container
- B65D77/2044—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure
- B65D77/2048—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut
- B65D77/2056—Means for opening the cover other than, or in addition to, a pull tab by peeling or tearing the cover from the container whereby a layer of the container or cover fails, e.g. cohesive failure whereby part of the container or cover has been weakened, e.g. perforated or precut the cover being weakened
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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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
-
- 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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
- B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/001—Action for opening container
- B65D2517/0013—Action for opening container pull-out tear panel, e.g. by means of a tear-tab
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/0058—Other details of container end panel
- B65D2517/008—Materials of container end panel
- B65D2517/0085—Foil-like, e.g. paper or cardboard
- B65D2517/0086—Foil-like, e.g. paper or cardboard laminated
-
- 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
- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
- B65D2577/10—Container closures formed after filling
- B65D2577/20—Container closures formed after filling by applying separate lids or covers
- B65D2577/2075—Lines of weakness or apertures
- B65D2577/2091—Lines of weakness or apertures in cover
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S220/00—Receptacles
- Y10S220/906—Beverage can, i.e. beer, soda
Definitions
- 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.
- 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.
- 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.
- 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.
- 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 Abziehfolienimplantation 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 Abziehfoliendeck Mrs for the production of the closure lid and insert the desired openings already in all film layers except the Abziehfoliendeck harsh by punching, so that the punched parts are automatically removed when removing the Abziehfoliendeck Mrs from the openings.
- 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.
- 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.
- cover part elements may be present, which can be separated or separated depending on the desired burning time and power or can remain untouched.
- 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.
- 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.
- 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.
- 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.
- 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.
- opening aids 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.
- pull tabs notches are advantageously present at the transition from the tab to the actual lid, which facilitate tearing of the predetermined separating points.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- polyethylene glycols, stearin, paraffin, hydrocarbon derivatives, waxes, waxy fuels or their derivatives or a mixture of these with to use a wick 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.
- 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.
- the absorbent material preferably simultaneously assumes the function of a wick, if such is required.
- 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.
- 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.
- 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.
- Fig. 1a 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.
- 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.
- the lid part element 7 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.
- Fig. 1b 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.
- 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.
- 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.
- 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.
- the in Fig. 10 shown Brennstoffdose on a square shell as a can body 1.
- the closure lid as already in the fuel can in Fig. 2 .
- 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.
- two strip-shaped and outwardly widening opening shape elements extend toward the corresponding corners of the closure lid 3.
- 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.
- 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.
- the lid part element 7a is automatically separated out with the lid part element 7b.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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 Endlappenformierin, 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.
- 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.
- FIGS. 18 to 21 show plan views of further inventive fuel cans, in which the closure lid 3 are provided with Abziehfolien 1952 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.
- 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 Abziehfoliendeck harsh so that the or the Abziehfolieniety 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.
- the peel-off film elements 5, 5a, 5b are peeled off, the punched-out film parts are removed together with them.
- FIG. 21 3 shows the lid 3 of the fuel can shown in this figure two substantially concentric Abziehfolien 1952, 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 Abziehfolien outcome 5a, 5b (for greater burner power and shorter burning time) can be removed.
- the central Abziehfolienelements 5a 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.
- a closure lid 3 is also in the FIGS. 1 to 12 shown.
- the sealing film, from which the closure lid 3 is formed consists of two approximately 30 ⁇ m 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.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Cookers (AREA)
- Glass Compositions (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
- Inert Electrodes (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Toys (AREA)
- Passenger Equipment (AREA)
- Fuel-Injection Apparatus (AREA)
- Table Devices Or Equipment (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Wrappers (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Joining Of Glass To Other Materials (AREA)
- Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Die Erfindung betrifft eine Brennmitteldose, sowie die Verwendung der Brennmitteldose als Wärme- und/oder Lichtquelle gemäss den Oberbegriffen der unabhängigen Patentansprüche.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.
Brennmitteldosen mit einer Brennmittelfüllung und einem Verschlussdeckel sind als Kleingebinde zur Bereitstellung von Brennmittel für Rechaudbrenner weit verbreitet und bestehen in einer bekannten Ausführungsform aus einer mit Brennpaste gefüllten Aluminiumschale mit abziehbarem Foliendeckel, welche zum Gebrauch nach dem Entfernen des Foliendeckels in einen Rechaudbrenner eingesetzt wird, der im Bereich der Brennmitteloberfläche eine Brenneröffnung und mehrere Luftzuführöffnungen bereitstellt. Diese Brennmitteldosen sind günstig in der Herstellung und verursachen relativ wenig Abfall, benötigen jedoch zu ihrer bestimmungsgemässen Verwendung einen passenden Brenner.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.
Auch sind Brennmitteldosen mit Brennpastenfüllung bekannt, die einem Farbtopf ähnlich aus einer Weissblechdose mit einer nach oben verengten Öffnung und einem Klemmdeckel bestehen, wobei die verengte Öffnung nach dem Entfernen des Deckels als Brenneröffnung dient. Hierdurch kann die Brennmitteldose zwar direkt als Brenner eingesetzt werden, ist jedoch kostenintensiv in der Herstellung und verursacht relativ viel Abfall.
Es stellt sich daher die Aufgabe, eine Brennmitteldose und einen Verschlussdeckel für eine Brennmitteldose zur Verfügung zu stellen, welche die zuvor erwähnten Nachteile des Standes der Technik nicht aufweisen oder diese zumindest teilweise vermeiden.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.
Diese Aufgabe wird von der Brennmitteldose und von dem Verschlussdeckel gemäss den unabhängigen Patentansprüchen gelöst.This object is achieved by the fuel can and the cap according to the independent claims.
In einem ersten Aspekt der Erfindung weist die Brennmitteldose, welche als Einweggebinde für Heiz- und/oder Beleuchtungszwecke vorgesehen ist, einen becher-oder schalenähnlichen Dosenkörper mit einer Brennmittelfüllung auf sowie einen Verschlussdeckel, welcher den Dosenkörper dicht verschliesst und fest mit diesem verbunden ist, was beispielsweise durch ein Verschweissen oder Verkleben des Verschlussdeckels mit dem Dosenkörper, insbesondere durch Heisssiegeln desselben auf den Dosenkörper, oder durch Bördelung erreicht werden kann. Der Verschlussdeckel weist eine oder mehrere Solltrennstellen auf, an welchen ein oder mehrere Deckelteilelemente stoffschlüssig, d.h. durch einstückige Ausbildung, durch Verkleben oder durch Verschweissen bzw. Verlöten, mit dem übrigen Verschlussdeckel verbunden sind, derart, dass ein teilweises oder vollständiges Ab- und/oder Heraustrennen dieser Deckelteilelemente von Hand und ohne Verwendung von Werkzeugen von dem übrigen Verschlussdeckel oder aus diesem heraus möglich ist und dabei eine oder mehrere genau definierte Öffnungen im Verschlussdeckel entstehen. Die flächige Erstreckung dieser Öffnungen ist deutlich kleiner als die Gesamtoberfläche des Verschlussdeckels bzw. die Oberfläche einer Brennmittelfüllung im Dosenkörper bei mittlerer Füllhöhe. Die Solltrennstellen können beispielsweise als durch Stanzung oder Materialabtrag geschwächte Bereiche oder als Klebeflächen ausgeführt sein. Als Brennmittelfüllungen sind alle Füllungen vorgesehen, welche nach dem Ab- oder Heraustrennen der Deckelteilelemente an der dadurch erzeugten Öffnung ein Brennmittel in entzündbarer Form bereitstellen, und zwar bevorzugterweise derart, dass dieses zumindest bei Zimmertemperatur und direkt nach dem Öffnen nicht verschüttet werden kann. Dabei müssen die Brennmittelfüllungen nicht ausschliesslich durch das Brennmittel gebildet sein, sondern können auch Dochte und saugfähige Trägermaterialien zur Immobilisierung und/oder als Docht für die Brennmittel umfassen, was insbesondere dann sinnvoll ist, wenn bei Raumtemperatur flüssige Brennmittel, wie z.B. Diethylenglycol, zum Einsatz kommen. Durch die Erfindung lassen sich Brennmitteldosen realisieren, welche direkt als Wärmequelle, z.B. Rechaudbrenner, oder Lichtquelle mit einer gewünschten Leistung und Brenndauer eingesetzt werden können, kostengünstig in der Herstellung und sicher im Betrieb sind und wenig Abfall verursachen.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 einer bevorzugten Ausführungsform der Brennmitteldose sind die Solltrennstellen derartig ausgestaltet, dass das oder die ab- bzw. heraustrennbaren Deckelteilelemente nach einem vollständigen Auftrennen der Solltrennstellen nicht vollständig vom Deckel getrennt werden, sondern unverlierbar mit diesem verbunden bleiben. Hierdurch bleiben sämtliche Bestandteile der Brennmitteldose zusammen, was die Entsorgung erleichtert und zudem die Möglichkeit eröffnet, die angebrauchte Brennmitteldose zumindest provisorisch wieder zu verschliessen.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 einer weiteren bevorzugten Ausführungsform der Brennmitteldose ist der Verschlussdeckel derartig ausgestaltet, dass durch Abziehen von einer oder von mehreren als Abziehfolienelemente ausgestalteten Deckelteilelementen mindestens ein Teil der durch das Abtrennen und/oder Heraustrennen von Deckelteilelementen erzeugbaren Öffnungen freigelegt werden kann, wobei es bevorzugt ist, wenn sich genau ein solches Abziehfolienelement durchgehend über den gesamten Verschlussdeckel erstreckt. Die Abziehfolienelemente verdecken also Öffnungen in darunterliegenden Deckelteilen und lassen sich unter Aufhebung ihrer Klebverbindung mit diesen Deckelteilen, welche die Solltrennstelle darstellt, abziehen, wodurch die Öffnungen freigegeben werden. Diese Bauweise bietet den Vorteil, dass die ab- bzw. heraustrennbaren Deckelteilelemente aus einem anderen Werkstoff hergestellt sein können als der übrige Verschlussdeckel, der im Betrieb heiss wird und deshalb in der Materialwahl wenig Auswahl lässt, und dass etwaige Probleme beim Aufheben der stoffschlüssigen Verbindung entlang der Solltrennstellen praktisch keinen Einfluss auf die Geometrie der freizulegenden Öffnung hat. Auch ist es möglich, eine Mehrschichtenfolien mit einer Abziehfoliendeckschicht für die Herstellung des Verschlussdeckels zu verwenden und die gewünschten Öffnungen bereits in allen Folienschichten ausser der Abziehfoliendeckschicht durch Stanzung einzubringen, so dass die ausgestanzten Teile beim Abziehen der Abziehfoliendeckschicht automatisch aus den Öffnungen entfernt werden.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 noch einer weiteren bevorzugten Ausführungsform der Brennmitteldose ist der Verschlussdeckel derartig ausgestaltet, dass mindestens ein Teil der Öffnungen durch Heraustrennen von Teilbereichen aus dem eigentlichen Verschlussdeckel erzeugt werden kann, also vor ihrem Heraustrennen einstückig mit den die zu erzeugende Öffnung begrenzenden Deckelelementen ausgebildet sind. Der Begriff "eigentlicher Deckel" bezeichnet hier das oder die Bauteile, welche nach dem Entfernen der ab- oder heraustrennbaren Deckelteilelemente am Dosenkörper verbleiben und die Öffnungen begrenzen. Hierdurch ergibt sich der Vorteil, dass der Verschlussdeckel aus einem einschichtigen Halbzeugmaterial, z.B. Folie oder Blech, hergestellt werden kann, wodurch sich besonders einfache und kostengünstige Deckel realisieren lassen.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 noch einer bevorzugten Ausführungsform ist der Verschlussdeckel der Brennmitteldose derartig ausgestaltet, dass sich durch das Abtrennen bzw. Heraustrennen von einzelnen oder mehreren Deckelteilelementen wahlweise eine oder mehrere Öffnungen mit verschiedenen Öffnungsgeometrien und -flächen erzeugen lassen und/oder sich die Anzahl der Öffnungen wahlweise einstellen lässt. So können z.B. verschiedene Deckelteilelemente vorhanden sein, welche je nach gewünschter Brenndauer und Leistung abgetrennt oder herausgetrennt werden können oder auch unangetastet bleiben können. Hierdurch lässt sich in einfacher Weise aus der erfindungsgemässen Brennmitteldose je nach Brenmmittel und sonstiger Ausgestaltung eine für den jeweiligen Verwendungszweck speziell zugeschnittene Heiz- und/oder Lichtquelle herstellen.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.
Bevorzugterweise besteht der Verschlussdeckel der erfindungsgemässen Brennmitteldose im wesentlichen aus einer Folie oder einem Blech, im letztgenannten Fall bevorzugterweise aus Aluminiumblech, da diese Materialien kostengünstig als Halbzeugmaterial zur Verfügung stehen und mit nur wenigen und relativ einfachen Bearbeitungsschritten zu einem erfindungsgemässen Verschlussdeckel verarbeitet werden können. Der Begriff "im wesentlichen" bedeutet hier, dass zumindest die Bereiche des Verschlussdeckels, die nach dem Entfernen der ab- bzw. heraustrennbaren Deckelteilelemente am Dosenkörper verbleiben, aus einem solchen Material sind.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.
Besteht der Verschlussdeckel dabei aus einer Siegelfolie, die bevorzugterweise aus mehreren verschiedenen Materialschichten gebildet ist, so kann er mit einfachen Mitteln auf einen flanschartigen Rand des Dosenkörpers aufgesiegelt werden, wodurch sich eine sichere und dichte Verbindung zwischen Verschlussdeckel und Dosenkörper herstellen lässt.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 diesem Fall ist es bevorzugt, eine Siegelfolie zu verwenden, die neben der Siegelschicht mindestens zwei bevorzugterweise aus Aluminium bestehende Metallfolien aufweist, welche über eine zwischen diesen befindliche Kunststoffschicht, bevorzugterweise aus Polyethylen, flächig miteinander verbunden sind.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.
Wird dabei eine erste der beiden Metallfolien, bevorzugterweise diejenige, welche dem Dosenkörper abgewandt ist, entlang der Solltrennstelle geschwächt oder unterbrochen, während die andere Metallfolie im Bereich der Solltrennstelle durchgängig ausgebildet ist, so ergibt sich ein brennmitteldichter Deckel mit hoher Festigkeit und mit einer zuverlässig trennbaren Solltrennstelle.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.
Bei allen Ausgestaltungen weisen die Deckelteilelemente zur Erleichterung des Ab- oder Heraustrennens bevorzugterweise Öffnungshilfsmittel auf, die mit Vorteil als Zuglaschen oder Zugringe ausgebildet sind und vorteilhafterweise über eine äussere Begrenzung der Brennmitteldose überstehen, z.B. als Verlängerung des Verschlussdeckels, so dass sie von Hand ergriffen werden können. Bei Zuglaschen sind am Übergang von der Lasche in den eigentlichen Deckel vorteilhafterweise Kerben vorhanden, welche ein Anreissen der Solltrennstellen erleichtern.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.
Mit Vorteil ist der Verschlussdeckel derartig ausgestaltet, dass sich durch das Ab- bzw. Heraustrennen der Deckelteilelemente eine Öffnung oder Öffnungen mit einem Öffnungsbild ergeben, welches zwei Symmetrieachsen besitzt, wobei es bevorzugt ist, dass sich die Symmetrieachsen im wesentlichen in einer vertikalen Achse durch das Zentrum des Dosenkörpers schneiden. Hierdurch kann sichergestellt werden, dass im Betrieb ein möglichst symmetrisches Flammenbild erzielt wird und ein gleichmässiger Abbrand der im Dosenkörper befindlichen Brennmittel erfolgt.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.
Bevorzugterweise ist der Verschlussdeckel derartig ausgestaltet, dass sich durch das Ab- bzw. Heraustrennen der Deckelteilelemente im Verschlussdeckel im Bereich des Zentrums der Brennmitteldose eine Öffnung, anspruchsgemäss als Zentrumsöffnung bezeichnet, erzeugen lässt, welche im wesentlichen die gleiche Form aufweist wie die Oberfläche einer Brennmittelfüllung im Dosenkörper, insbesondere bei mittlerer Füllhöhe, und konzentrisch zu dieser angeordnet ist. Diese Ausgestaltung ergibt den Vorteil, dass die Begrenzungen der Brennmitteloberfläche praktisch überall gleich weit weg von den Begrenzungen der Zentrumsöffnung sind, welche im Betrieb als Brenneröffnung dient, wodurch ein gleichmässiges Abbrennen des Brennmittels gefördert wird.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.
Dabei ist es bevorzugt, wenn die Zentrumsöffnung im wesentlichen kreisförmig oder quadratisch ist und bevorzugterweise eine Fläche aufweist, die mindestens 15%, bevorzugterweise mindestens 20% der Oberfläche der Brennmittelfüllung, insbesondere bei mittlerer Füllhöhe, entspricht. Hierdurch ergibt sich über die gesamte Brenndauer eine gleichmässige Brennerleistung und ein stabiles Flammenbild. Der Begriff "im wesentlichen kreisförmig oder quadratisch" bedeutet, dass diese Öffnung eine Form aufweist, welche kreisrund oder quadratisch ist oder der Kreisform oder der Form des Quadrats angenähert ist, im Falle der Kreisform z.B. durch ein gleichmässiges Vieleck.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.
Geht von der Zentrumsöffnung zudem mindestens ein sich radial nach aussen erstreckendes streifenförmiges Öffnungselement aus, welches sich bevorzugterweise bis zum Verschlussdeckelrand hin erstreckt, so kann durch Heraustrennen eines einzigen Deckelteilelements ein Öffnungsbild erzeugt werden, bei dem die Zentrumsöffnung ausschliesslich als Brenneröffnung dient, während das oder die streifenförmigen Öffnungselemente als Luftzuführungsöffnungen dienen. Hierdurch wird ein besonders stabiles Flammenbild und eine hohe Brennerleistung erreicht.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.
Dabei ist es von Vorteil, wenn der Übergang zwischen der Zentrumsöffnung und den sich radial nach aussen erstreckenden streifenförmigen Öffnungsformelementen fliessend bzw. harmonisch ist, da so abrupte Formänderungen, welche beim Auftrennen der Solltrennstellen zu Problemen führen könnten, vermieden werden können. Besonders bevorzugt ist es, wenn die Zentrumsöffnung zusammen mit einem sich radial nach aussen erstreckenden streifenförmigen Öffnungsformelement ein birnenförmiges Deckelteilelement bildet.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.
Vorteilhafterweise ist der Verschlussdeckel derartig ausgestaltet, dass sich durch das Ab- bzw. Heraustrennen von bevorzugterweise genau einem Deckelteilelement ein Öffnungsbild ergibt, bei dem sich zwei sich unter einem Winkel von 180° gegenüberliegende streifenförmige Öffnungselemente von der Zentrumsöffnung nach aussen erstrecken. Eine solche Anordnung begünstigt ein problemloses Heraustrennen des Deckelteilelements aus dem Verschlussdeckel.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.
Ähnliche Vorteile wie zuvor beschrieben ergeben sich, wenn durch das Ab- oder Heraustrennen zusätzlich zu der Zentrumsöffnung weitere kleinere, bevorzugterweise im wesentlichen kreisrunde Öffnungen erzeugbar sind, wobei es bevorzugt ist, wenn diese die Zentrumsöffnung konzentrisch und mit einer gleichmässigen Teilung umgeben.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.
Ist der Verschlussdeckel derartig ausgestaltet, dass durch das Abtrennen oder Heraustrennen der abdichtende Stoffschluss zwischen dem Deckelteilelement und den angrenzenden Deckelbereichen entlang der Solltrennstelle irreversibel aufgehoben wird, so lassen sich angebrauchte bzw. geöffnete Brennmitteldosen auf einfache Weise von neuen, geschlossenen unterscheiden.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.
Als Dosenkörper kommt bevorzugterweise ein tiefgezogener Becher oder eine tiefgezogene Schale aus Aluminium oder Weissblech zum Einsatz, da sich solche Dosenkörper kostengünstig herstellen lassen, nach Gebrauch relativ wenig Abfall generieren und sich zudem recyclieren lassen, wobei es besonders vorteilhaft ist, wenn der Dosenkörper und der Verschlussdeckel im wesentlichen aus identischen Materialien sind.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 einer bevorzugten Ausführungsform der Brennmitteldose besteht die Brennmittelfüllung aus einer Brennpaste mit oder ohne Docht, bevorzugterweise aus einer 80g bis 100g oder 150g bis 300g schweren Füllung aus eingedicktem Ethanol, Isopropanol oder Methanol, wobei in diesem Fall auf Grund der geringen Zündtemperatur kein Docht erforderlich ist. Solche Brennmitteldosen lassen sich hervorragend als Brenner für Rechauds verwenden.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 einer anderen bevorzugten Ausführungsform der Brennmitteldose besteht die Brennmittelfüllung aus einem bei Raumtemperatur festen Brennmittel mit oder ohne Docht, wobei es bevorzugt ist, Polyethylenglycole, Stearin, Paraffin, Kohlenwasserstoff-Derivate, Wachse, wachsartige Brennstoffe bzw. deren Derivate oder eine Mischung aus diesen mit einem Docht zu verwenden. Insbesondere bei Verwendung von Brennmittelfüllungen aus mit Duftstoffen angereichertem Stearin und/oder Paraffin lassen sich auf diese Weise kombinierte Leuchtmittel mit zusätzlicher Duftwirkung bereitstellen, welche sich in ungebrauchtem Zustand lange lagern lassen ohne dabei ihre Duftwirkung einzubüssen.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.
Bevorzugterweise besteht die Brennmittelfüllung aus einem flüssigen oder festen Brennmittel, welches durch Aufnahme in einem saugfähigen, bevorzugterweise watte- oder vliesähnlichen Material, wie z.B. Stein- oder Glaswolle, Zellstoff oder Watte, immobilisiert ist, d.h. bei geöffneter Brennmitteldose nicht ausgeschüttet werden kann. Hierbei übernimmt das saugfähige Material bevorzugterweise gleichzeitig die Funktion eines Dochts, sofern ein solcher erforderlich ist. Durch diese Ausgestaltung lassen sich auch bei Raumtemperatur flüssige Brennmittel wie Diethylenglycol oder bei Raumtemperatur feste und beim Abbrennen sich verflüssigende Brennmittel wie Polyethylenglycol auf sichere Weise als Brennmittel verwenden.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.
Ein zweiter Aspekt der Erfindung betrifft die Verwendung der Brennmitteldose nach dem ersten Aspekt der Erfindung als Wärme-, Heiz- und/oder Lichtquelle, insbesondere als Rechaudbrenner oder Lampe.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.
Weitere Ausgestaltungen, Vorteile und Anwendungen der Erfindung ergeben sich aus den abhängigen Ansprüchen und aus der nun folgenden Beschreibung anhand der Figuren. Dabei zeigen:
-
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 ausFig. 1a in geöffnetem Zustand; -
Fig. 2 eine Draufsicht auf die Brennmitteldose ausFig. 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 1bis 12
-
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 canFig. 1a in open condition; -
Fig. 2 a plan view of the fuel canFig. 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 ofFIGS. 1 to 12 ,
Das Grundprinzip der Erfindung lässt sich anhand der
Wie aus
Wie sich aus
In den
Die
Bei der in
Im Gegensatz zu allen übrigen gezeigten Brennmitteldosen weist die in
Die
Wie den durch gestrichelte Linien dargestellten Solltrennstellen 6 in
Wie den durch gestrichelte Linien dargestellten Solltrennstellen 6 in
Die
Um ein Heraustrennen der Deckelteilelemente zu erleichtern, weist jedes Deckelteilelement 7, 7a, 7b einen Zugring 9 auf, mit welchem durch Hochklappen zuerst ein Teil des Deckelteilelements 7, 7a, 7b unter Aufreissen des Blechs an einem Ort der Solltrennstelle 6 zum Doseninnern hin gebogen werden kann und sodann das gesamte Deckelteilelement 7 durch Ziehen am Zugring 9 unter einem weiteren Auftrennen entlang der Solltrennstelle 6 aus dem Verschlussdeckel 3 herausgetrennt werden kann. Dabei wird die stoffschlüssige Verbindung mit den angrenzenden Deckelbereichen entlang der Solltrennstellen 6 irreversibel aufgelöst, so dass auch hier ein Wiederverschliessen der geöffneten Brennmitteldose nicht möglich ist und diese zweifelsfrei als bereits geöffnet erkennbar ist.In order to facilitate a separation of the cover part elements, each cover
Wie aus den durch gestrichelte Linien dargestellten Solltrennstellen 6 hervorgeht, weisen die Verschlussdeckel 3 der in den
Die in
Wie den durch gestrichelte Linien dargestellten Solltrennstellen 6 in
Die
Bei den Brennmitteldosen der
Die Deckel der Brennmitteldosen gemäss den
Wie der durchgezogenen dünnen Linie in der Deckelfläche in
Während in der vorliegenden Anmeldung bevorzugte Ausführungen der Erfindung beschrieben sind, ist klar darauf hinzuweisen, dass die Erfindung nicht auf diese beschränkt ist und in auch anderer Weise innerhalb des Umfangs der folgenden Ansprüche ausgeführt werden kann. Insbesondere können verschiedene Ausgestaltungen miteinander kombiniert werden und verschiedenste Brennmittelfüllungen zum Einsatz kommen, mit festen oder flüssigen bzw. gelartigen Brennmitteln, wobei die Brennmittelfüllung z.B. auch saugfähige Trägermaterialien zur Immobilisierung und/oder als Docht für die Brennmittel sowie auch einzelne Dochte mit umfassen kann. Auch sei darauf hingewiesen, dass sich die Erfindung nicht auf Rechaudbrenner beschränkt sondern Brennmitteldosen für alle denkbaren Verwendungen als Wärme-, Heiz- und Lichtquellen im Umfang der folgenden Ansprüche erfasst.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)
- 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.
- 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).
- 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).
- Fuel can according to claim 3, characterized in that the second metal foil (14) faces the can body (1).
- 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).
- 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).
- 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).
- 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).
- 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.
- 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).
- 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.
- 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.
- 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.
- 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).
- 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.
- 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.
- 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).
- 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.
- 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.
- 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.
- 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.
- Fuel can according to claim 21, characterized in that the fuel is a fuel which is liquid at room temperature, in particular diethylene glycol.
- Fuel can according to claim 21, characterized in that the fuel is a fuel which is solid at room temperature, in particular polyethylene glycol.
- 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.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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IB0203251 | 2002-08-14 | ||
WOPCT/IB02/03251 | 2002-08-14 | ||
PCT/IB2003/003562 WO2004016514A1 (en) | 2002-08-14 | 2003-08-08 | Fuel tin |
Publications (2)
Publication Number | Publication Date |
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EP1529004A1 EP1529004A1 (en) | 2005-05-11 |
EP1529004B1 true EP1529004B1 (en) | 2009-12-02 |
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EP03787965A Expired - Lifetime EP1529004B1 (en) | 2002-08-14 | 2003-08-08 | Fuel tin |
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US (1) | US8025171B2 (en) |
EP (1) | EP1529004B1 (en) |
JP (1) | JP2005535531A (en) |
KR (1) | KR100972687B1 (en) |
CN (1) | CN100398403C (en) |
AT (1) | ATE450449T1 (en) |
AU (1) | AU2003250484B2 (en) |
CA (1) | CA2497574C (en) |
DE (1) | DE50312193D1 (en) |
ES (1) | ES2336553T3 (en) |
GE (1) | GEP20063995B (en) |
HK (1) | HK1084367A1 (en) |
HR (1) | HRP20050232A2 (en) |
MD (1) | MD3863G2 (en) |
NO (1) | NO329161B1 (en) |
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RU (1) | RU2314239C2 (en) |
UA (1) | UA82326C2 (en) |
WO (1) | WO2004016514A1 (en) |
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2003
- 2003-08-08 MD MDA20050041A patent/MD3863G2/en not_active IP Right Cessation
- 2003-08-08 GE GEAP8631A patent/GEP20063995B/en unknown
- 2003-08-08 ES ES03787965T patent/ES2336553T3/en not_active Expired - Lifetime
- 2003-08-08 JP JP2004528761A patent/JP2005535531A/en active Pending
- 2003-08-08 RS YUP-2005/0144A patent/RS51014B/en unknown
- 2003-08-08 US US10/523,954 patent/US8025171B2/en not_active Expired - Fee Related
- 2003-08-08 EP EP03787965A patent/EP1529004B1/en not_active Expired - Lifetime
- 2003-08-08 KR KR1020057002458A patent/KR100972687B1/en not_active IP Right Cessation
- 2003-08-08 PL PL375322A patent/PL202302B1/en not_active IP Right Cessation
- 2003-08-08 RU RU2005106879/11A patent/RU2314239C2/en not_active IP Right Cessation
- 2003-08-08 AU AU2003250484A patent/AU2003250484B2/en not_active Ceased
- 2003-08-08 PT PT03787965T patent/PT1529004E/en unknown
- 2003-08-08 CA CA2497574A patent/CA2497574C/en not_active Expired - Fee Related
- 2003-08-08 CN CNB03824019XA patent/CN100398403C/en not_active Expired - Fee Related
- 2003-08-08 AT AT03787965T patent/ATE450449T1/en active
- 2003-08-08 WO PCT/IB2003/003562 patent/WO2004016514A1/en active Application Filing
- 2003-08-08 UA UAA200501274A patent/UA82326C2/en unknown
- 2003-08-08 DE DE50312193T patent/DE50312193D1/en not_active Expired - Lifetime
-
2005
- 2005-03-02 NO NO20051120A patent/NO329161B1/en not_active IP Right Cessation
- 2005-03-10 HR HR20050232A patent/HRP20050232A2/en not_active Application Discontinuation
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2006
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Also Published As
Publication number | Publication date |
---|---|
AU2003250484A1 (en) | 2004-03-03 |
EP1529004A1 (en) | 2005-05-11 |
RS20050144A (en) | 2007-09-21 |
HK1084367A1 (en) | 2006-07-28 |
CN100398403C (en) | 2008-07-02 |
RU2005106879A (en) | 2006-01-20 |
JP2005535531A (en) | 2005-11-24 |
RU2314239C2 (en) | 2008-01-10 |
ATE450449T1 (en) | 2009-12-15 |
CN1688487A (en) | 2005-10-26 |
PL375322A1 (en) | 2005-11-28 |
MD3863F2 (en) | 2009-03-31 |
RS51014B (en) | 2010-10-31 |
MD20050041A (en) | 2005-06-30 |
CA2497574A1 (en) | 2004-02-26 |
PL202302B1 (en) | 2009-06-30 |
US20060102630A1 (en) | 2006-05-18 |
GEP20063995B (en) | 2006-12-11 |
MD3863G2 (en) | 2009-10-31 |
HRP20050232A2 (en) | 2006-06-30 |
AU2003250484B2 (en) | 2009-08-20 |
KR100972687B1 (en) | 2010-07-27 |
NO20051120L (en) | 2005-03-02 |
UA82326C2 (en) | 2008-04-10 |
KR20050056976A (en) | 2005-06-16 |
PT1529004E (en) | 2010-02-17 |
CA2497574C (en) | 2011-09-27 |
NO329161B1 (en) | 2010-08-30 |
US8025171B2 (en) | 2011-09-27 |
ES2336553T3 (en) | 2010-04-14 |
WO2004016514A1 (en) | 2004-02-26 |
DE50312193D1 (en) | 2010-01-14 |
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