EP3879993A2 - Einpackvorrichtung zum einpacken eines lebensmittelproduktes sowie verfahren zum siegeln und falzen eines randes einer schale eines lebensmittelproduktes - Google Patents
Einpackvorrichtung zum einpacken eines lebensmittelproduktes sowie verfahren zum siegeln und falzen eines randes einer schale eines lebensmittelproduktesInfo
- Publication number
- EP3879993A2 EP3879993A2 EP19795165.0A EP19795165A EP3879993A2 EP 3879993 A2 EP3879993 A2 EP 3879993A2 EP 19795165 A EP19795165 A EP 19795165A EP 3879993 A2 EP3879993 A2 EP 3879993A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sealing
- flange section
- distal flange
- die
- cooling
- 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.)
- Pending
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
- B65B7/165—Securing by deformation of the web material
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G7/00—Other apparatus or process specially adapted for the chocolate or confectionery industry
- A23G7/0012—Apparatus for measuring, weighing or wrapping of chocolate or candies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
- B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
- B29C65/224—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip being a resistive ribbon, a resistive band or a resistive strip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
- B29C65/30—Electrical means
- B29C65/305—Electrical means involving the use of cartridge heaters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/003—Protecting areas of the parts to be joined from overheating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
- B29C66/0324—Reforming or reshaping the joint, e.g. folding over
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
- B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/133—Fin-type joints, the parts to be joined being flexible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/244—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being non-straight, e.g. forming non-closed contours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/348—Avoiding melting or weakening of the zone directly next to the joint area, e.g. by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
- B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
- B29C66/72321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
- B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
- B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
- B29C66/72328—Paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
- B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
- B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/84—Specific machine types or machines suitable for specific applications
- B29C66/849—Packaging machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/005—Packaging other articles presenting special problems packaging of confectionery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
- B65B7/164—Securing by heat-sealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/735—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the extensive physical properties of the parts to be joined
- B29C66/7352—Thickness, e.g. very thin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
- B29K2705/02—Aluminium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
Definitions
- Packing device for packing a food product and method for sealing and folding an edge of a bowl of a food product
- the present invention relates to a packaging device for packing a food product in a packaging tray from at least two sub-trays.
- a generic device with the generic features of claim 1 is known, for example, from EP 2 765 081 A1.
- a packaging method for a food product is described, in which a food product is placed in a cavity of a first partial shell of a packaging material, from which an edge section protrudes all around.
- a second, similar partial shell is then used to cover the food product from above, so that the two partial shells have mutually opposite and adjacent edge sections that define a circumferential flange.
- a sealing line is generated all around the food product by means of a sealing stamp that is pressed onto the flange in the vertical direction from above.
- the flange is then trimmed at its distal end, so that the sealing area delimits the flange radially outward, and is raised in such a way that a distal flange section is formed in which the sealing line is provided and a proximal flange section which extends over the fold line from is spaced from the distal flange section.
- the distal flange section can then be folded back in a further step, so that it comes to rest on the proximal flange section, a flanged or folded food packaging being provided which is sealed at the same time.
- the configuration of the sealing and folding device is quite complex and follows a very complex kinematics.
- the present invention proposes a packaging device according to claim 1.
- the sealing devices are provided by part of the folding device.
- the sealing device is configured such that a sealing seam when the distal flange section is raised in the course of the folding is generated.
- heating takes place at least in this area, so that a sealing seam is produced.
- the sealing device can be configured so that when it is raised, at least one seal takes place in the region of the distal, raised flange section.
- the sealing device primarily heat is transferred in the radial direction into the region of the distal raised flange section, which can be provided radially on the outside or inside of the sealing device, so that a relatively wide area of the distal flange section (in the radial direction of the flange) is sealed.
- This sealed area is in particular wider than a sealing area in the proximal flange section, which can possibly also be sealed with this area due to the heat during sealing.
- at least the greater part of the width of the sealing line lies in the region of the distal, raised flange section.
- the sealing line can also be provided only in the distal flange section.
- the folding device can have a die, an upper and a lower punch.
- the upper raising stamp has, for example, a first holding surface on its underside and the lower raising stamp has a second holding surface on its upper side.
- These holding surfaces can hold a pro ximal flange section between them after the two lifting rams are moved towards each other or towards each other.
- the two mutually driven uprights, which hold the proximal flange section between them, are in the Relation to the die in the vertical direction, in particular through the die, an inner circumferential surface of the die cooperating with the flange in such a way that a protruding part of the flange that is not held by the lifting rams is raised.
- This flange section corresponds to the distal flange section described above.
- the die will be moved in the vertical direction relative to the lifting dies. This can be ensured either that the die is stationary and the two lifting dies are moved together in the vertical direction, or vice versa that the die is moved in the vertical direction and the two Hochstellstem pel, which hold the proximal flange section between them, are determined. Alternatively, both the two lifting rams and the die can also be moved in different directions in the vertical direction.
- the term “determined” or “permanently installed” includes a spring-loaded mounting of the elements, which can also be omitted.
- the distal flange section folds upwards towards the upper lifting ram and becomes accordingly after this, for example by approx. 90 ° is positioned between an inner peripheral surface of the die and an outer peripheral surface of the upper Hochstellstem pels.
- the distal flange section is raised in the other direction, i.e. downwards, and lies between the outer peripheral surface of the lower lifting ram and the inner peripheral surface of the Matrix.
- the designations "upper” and “lower” can be exchanged for the terms “first” and “second” for the above-mentioned high-level stamps as well as for the other elements mentioned below, or for the terms “left” and “right” .
- the designation is defined in relation to the height direction, the height direction corresponding to the gravity axis.
- a lower element is below the upper element in relation to the axis of gravity, etc.
- the folding device Due to the configuration of the folding device, which has at least the three aforementioned elements die, upper punch, lower punch, a simple kinematics is provided, which is suitable for raising the distal flange section.
- the folding device include in particular all elements of the packing device, the interaction to set up the proximal, in relation to the distal flange section and possibly fold in a further step, so that it lies flat on the proximal flange section and its outer edge in the direction of shows the packaged food product.
- a return device can be provided, which then covers the distal flange section in a corresponding manner.
- the sealing device can be formed by the die and / or the upper and / or the lower lifting stamp. I.e. at least one of the three aforementioned elements is actively heated, so that the corresponding sealing line can be provided when the distal flange section is raised.
- a thin line or a wider area with a relatively large longitudinal extent can be referred to as a sealing line.
- the die is moved from the direction of the lower punch in the direction of the upper punch relative to the punch, then it is beneficial to heat the upper punch and / or the die in at least one area that the gel line or sealing seam, what terms can be used synonymously, can be formed when standing up in the distal flange area.
- the die is moved relative to the upper and lower raising stamps by the upper raising stamp in relation to the lower raising stamp, it is favorable that the lower raising stamp and / or the die is heated accordingly.
- At least one of the aforementioned elements, upper punch, lower punch, die can be provided with at least one hole in which at least one heating cartridge is provided or can be used.
- This heating cartridge is at least when raising the distal portion of the flange heated bar to form the sealing seam or sealing line.
- a heating cartridge is often an elongated tubular element that can be inserted into the corresponding hole. The heat is transferred from the heating cartridge to the corresponding element in which it is inserted: upper punch, lower punch or die. It is therefore advantageous to produce at least the parts or sections of the lifting ram or the die from a thermally conductive material such as steel, aluminum or copper or an alloy thereof, which are used for heat conduction between the heating cartridge and the distal raised flange section. It can also be favorable for the positioning stamp (s) and / or the die to be produced generatively, for example by means of 3D printing.
- AM additive manufacturing
- Automated processes that directly produce three-dimensional physical objects from a 3D CAD data record.
- Solid elements are layered or attached to each other so that no component-dependent tools are required.
- Whether a generative production has taken place can be determined on the basis of the elements raised and / or die; thus, this is a device characteristic and not just a procedural hint.
- thermally conductive metal material plastic materials, both thermally conductive and thermally insulating, can also be used.
- elements can be made of insulating material. Therefore, these elements can be provided in one part or in several parts.
- the configuration with the holes for a heating cartridge ensures easy replacement of the heating device.
- the upper or lower lifting ram can have a step, in particular on its outer circumferential surface and spaced over an edge from and near the holding surface.
- a heating element such as a heating foil, a heating tape or a heating wire can come into contact with the system.
- the distal section of the flange can be heated via this heating element in order to form the sealing line.
- the heating element can thus lie directly against the raised distal flange section in order to seal it.
- the upper lifting ram has a wide outer circumference in the height direction above the step, compared to the outer circumference of the upper lifting ram below the step adjacent to the holding surface.
- this has a wide outer circumference in the height direction below the step, compared to the outer circumference of the lower lifting stamp above the step adjacent to the holding surface.
- a planar surface in particular around the elevating stamp, can be provided, against which the corresponding heating element rests.
- the step has approximately the height which corresponds to the thickness of the heating element, so that the outer circumferential surface of the ram, where no heating element is provided, essentially forms a uniformly planar surface together with the heating element.
- a groove can also be formed on the outer circumferential surface of the upper lifting ram and / or the lower lifting ram.
- a groove is characterized in that a lower-lying area is delimited by two steps.
- the corresponding heating element such as the heating foil, the heating tape or the heating wire, can be provided or inserted in this groove.
- the groove in particular has approximately the depth which corresponds to the thickness of the heating element, so that the outer circumferential surface of the ram, where no heating element is provided, essentially forms a uniformly planar surface together with the heating element.
- the groove accordingly has e.g. a cross-sectional configuration that corresponds to the cross section of the heating element.
- a groove can also be provided in the holding surface of the upper raising stamp and / or of the lower raising stamp, which receives the corresponding heating element.
- the heating element radiates heat downwards so that the proximal flange area is sealed, but in addition this groove is e.g. positioned so close to the edge of the outer circumferential surface of the lifting ram that at least part of the distal flange portion is always heated for sealing during the dividing up.
- the upper lifting punch and / or the lower lifting punch can also be provided on its outer peripheral surface in a substantially smooth manner, e.g. without such a step and / or groove.
- the heating foil or the heating tape is then e.g. flat, preferably in the entire area of the outer peripheral surface, so that an opening is provided with essentially smooth walls, which is essentially completely covered by the heating element.
- the die on its inner peripheral surface which causes the distal flange section to be raised, can be provided with a corresponding step and / or groove in which the heating element, such as the heating foil, the heating tape or the heating wire, is inserted.
- the heating element such as the heating foil, the heating tape or the heating wire
- the previously described for the step or groove of the ram NEN configurations can also be provided on the inner peripheral surface of the die.
- the die can also be provided essentially smooth on the inner circumferential surface thereof, for example without such a step and / or groove.
- the heating foil or the heating tape then lie, for example, flat, preferably in the entire area of the inner circumferential surface, so that an opening is provided with essentially smooth walls, which is essentially completely covered by the heating element.
- the folding device can in particular be provided with a cooling bell or a cooling ring which forms a first cooling surface has, which is in direct contact during the sealing and / or raising of the distal flange section, at least in a region of the proximal flange region, which lies between the product and the regions of the proximal flange section held by the holding surfaces of the lifting pistons.
- the cooling ring has e.g. a continuous opening in its center.
- a cooling bell can also have a second cooling surface in the manner of a cavity, which is spaced apart from the first cooling surface by an edge, which is contour-forming to the surface of the food product and is in direct contact with the partial shell or runs parallel to the contour .
- the cooling bell or cooling ring is e.g. seen concentrically to the upper Hochstellstkov before and is, relatively seen this, moved against the lower Hochstellstkov to press with the first cooling surface against part of the holding surface of the lower Hochstellstkov.
- the cooling bell can be made of a thermally conductive material and / or can be a two-part or multi-part element.
- cooling bell or cooling ring insofar as reference is made to the cooling bell or cooling ring beforehand, as an alternative to active cooling, only thermal separation can also be provided. Thus, for example, no fluid reservoirs are provided in the cooling bell or the cooling ring. If no active cooling is provided, and the bell or the ring is made of thermally insulating material, it is a thermal insulation bell or a thermal insulation ring, which can be provided alternatively or in addition to the cooling bell or the cooling ring .
- An insulation bell can also be provided made of ceramic, such as zirconium oxide, or any other thermally insulating material.
- the insulation bell can also only be coated with such a material for thermal insulation
- the cavity of the cooling bell or insulation bell can rest on the product essentially in a form-fitting manner or can also be provided essentially parallel to the contour at a distance of 0-1 mm.
- any tear-open tabs or similar elements do not have to be taken into account in the definition, and that there is no need for a form-fitting or contour-parallel system in this area.
- the perspective refers to the rough outline of the product without taking small details into account.
- a cooling device and / or an insulation device such as the described cooling bell or the described cooling ring or the thermal insulation bell or the thermal insulation ring, is not necessary and can also be omitted entirely.
- the packaging device is described in such a way that only a single food product is packaged at the same time, and the die has e.g. B. only an opening through which the packaged food product is pressed with the flange protruding therefrom, while it will hold ge between the two uprights.
- the packaging device in such a way that the packaging of a multiplicity of food products arranged next to one another, which are held at least between two partial shells, can be folded at the same time.
- the distal flange section is simultaneously raised and the distal flange section of the large number of packaging is sealed at the same time.
- the die has a multiplicity of openings through which a food product can be carried out in order to raise the distal flange section.
- This die is assigned, for example, a multiplicity of individual ensembles from upper / lower stamps, each ensemble holding only one food product, which is packed in the two partial shells, between them.
- the upper and lower positioning stamps can be configured such that a large number of food products can be provided in each of the upper and lower positioning stamps, each with a packaging surrounding it.
- the sealing device can have a heating device which can be pulse-heated, so that heat is only provided for sealing during the splitting up of the distal flange section and in the remaining time when no sealing is necessary, the sealing device is not subjected to heat.
- This brief heating for the sealing ensures that not too much heat is introduced into the food product via the flange and the partial shells, so that the food product, for example a chocolate figure or a hollow chocolate figure, does not start to melt or seal when it is sealed soften.
- the heating device of the sealing device has in particular such a power that this temperature can be provided in a region of the die or the lifting ram, which temperature cooperates with the distal flange section for sealing.
- Other temperatures can be 80 ° C, 95 ° C, 110 ° C, 126 ° C, 140 ° C, 150 ° C, 180 ° C. These temperatures can each form upper or lower limits of the aforementioned range.
- Favorable areas depend on the chosen material to be sealed.
- a holding time in the range from 0.1 sec. To 1.0 sec. Is set while the distal flange is being raised while you are gelling. Only after this, after this holding time in which the heating takes place and, for example, the folding device consisting of the die and the lifting dies are held in the specified position, are further steps for further processing initiated, such as, for example, the finishing folding.
- This hold time ensures that a good seal is provided.
- a holding time can be understood as the duration where the corresponding elements are essentially held in a fixed position during the sealing, at least in the vertical direction.
- the previously mentioned range from 0.1 sec. To 1.0 sec can also be seen as the temperature exposure time. This is the time in which a sufficient temperature for the sealing acts on the region to be sealed. Other times can be as follows 0.3 sec; 0.2 sec; 0.5 sec. These times can form upper or lower limits of the previously mentioned range.
- a method for gelating and folding a flange of a packaging tray of a food product with at least two partial trays is also specified.
- This method is characterized in that at least a region of a distal flange section is sealed while it is being raised.
- the method is preferably carried out with the aforementioned packaging device.
- a proximal flange section can be held in place to raise the distal flange section and can be moved relative to a high placement surface of a die with a view of a planar surface of the proximal flange section, with thermal energy in the distal flange section via a heating device Sealing is transferred.
- the invention also provides a packaged food product which has a proximal and a distal flange section on a packaging tray composed of at least two partial trays, the distal and proximal flange section being connected to one another via a fold line.
- the packaging is configured such that a sealing of the two edges of the flange is provided while the distal flange section is being split up. It can be detected in the packaging directly using microscopic examinations, whether the packaging is configured so that the sealing took place while dividing the distal flange section.
- Figures 1 a, 1 b, 1 c, 1 d different positions of a packing device while raising a distal flange portion
- FIG. 2 shows an example of a packaged food product, the distal flange region being raised up by approximately 90 ° ;
- FIGS 3a, 3b, 3c different configurations of an upper or lower high-level stamp, the heating device being provided in the high-level stamp;
- Figures 4a and 4b different design of a heated die
- FIGS. 5a and 5b different embodiment of an example of a cooling bell used
- Figures 6a, 6b and 6c show different orientations of the proximal flange section in relation to the distal flange section and to the partial shells.
- 1 a, 1 b, 1 c, 1 d show a sequence of method steps which is carried out using an exemplary embodiment of a packaging device according to the invention for packaging a food product.
- the packaging device has a folding device and a sealing device which will be described in more detail later.
- the folding device has an upper punch 1, a lower punch 2, and a die 3.
- the upper Hochstellstempel 1 is that Hochstellstkov, which is provided in the direction of gravity of the food product 4 above the food product 4
- the lower Hochstellstempel 2 is the Hochstellstem pel designated, which is provided in the direction of gravity of the food product 4 below the food product 4.
- the designation "upper” and “lower” can be used both for the above-mentioned parking stamps 1, 2 and for the other elements mentioned below, Holding area, circumferential area, etc. can be exchanged for the terms “first” and “second” or against the terms "left” and "right”.
- the name is defined in relation to the height direction, the height direction of the gravity axis speaks ent.
- Both the upper punch 1 and / or the punch 2 and / or the die 3 can have the sealing device described later.
- a food product 4 encased in two partial shells 5, 6 is located in the lower raising stamp 2.
- the first partial shell 5, as well as the second partial shell 6, each have a first or second edge section 7, 8 on their radial boundary edges, the corresponding edge sections 7, 8 lie opposite one another and lie substantially flat against one another to form a flange 9.
- the flange 9 surrounds the food product 4 shown in FIG. 1 a, in the direction perpendicular to the paper plane, over its entire circumference.
- the food product is a chocolate egg, in particular a hollow egg.
- the food product 4 can also be any other food, and take any three dimensional shape. In particular, however, a chocolate figure is intended.
- such a flange 9 can also be provided only in individual sections along the circumference of the packaged food product 4.
- the respective partial shell has a corresponding first or second cavity 15, 17 which is delimited by the edge 7, 8.
- such a flange 9 has a radial extension in the radial direction from the inside to the outside in relation to the food product 4.
- the first partial shell 5, which in the present case is a lower partial shell is inserted into a lower recess 10 of the lower lifting ram 2, so that the first edge portion 7, viewed in relation to the food product 4, lies on a lower holding surface 13 of the proximal edge portion lower support stamp 2 rests.
- the food product 4 which can be any type of food, in particular a chocolate body or a hollow chocolate figure, is inserted into a first cavity 7a, the first partial shell 5.
- the proximal flange section 14 now lies on the lower holding surface 13 of the lower raising stamp 2.
- the distance that cut the flange forming Randab can be between 0 and 1 mm. These gaps are called small.
- the upper lifting ram 1 is moved vertically from top to bottom against the lower lifting ram 2, so that an upper holding surface 16, which is defined by a lower edge of the upper Is formed or pressed against the lower holding surface 13 of the lower upright 2, so as to fix the proximal flange portion 14.
- the movement described above between the upper punch 1 and the lower punch 2 is preferably a linear movement in the vertical direction relative to each other.
- either the lower raising stamp 2 can be essentially fixed and the upper raising stamp 1 can be pressed against it in relation to the lower raising stamp 2, or vice versa, the upper raising stamp 1 can be fixed and the lower raising stamp 2 with respect to the upper raising stamp 1 against will drive this.
- the two lifting stamps can be rotated by 90 ° in comparison to the situation shown in FIGS. 1 a, 1 b, 1 c, 1 d, so that the two lifting stamps move towards one another in the horizontal direction.
- the upper or lower superscript, a left or a right superscript or a first or second superscript is the upper or lower superscript, a left or a right superscript or a first or second superscript.
- the die 3 is relative to the two lifting rams 1 and 2, which steps in relation to one another in this process are fixed, move in the vertical direction, so that a distal flange section 12 is set up between an inner circumferential surface 28 of the die 3 and an outer circumferential surface 29 of the upper lifting plunger 1, so that the distal flange section 12 extends at an approximately 90 ° angle.
- the first II angle between the proximal flange section 14 and the distal flange section 12 can be in a range between 30 ° and 150 °.
- Figures 6a, 6b and 6c show different orientations of the proximal flange section in relation to the distal flange section and to the partial shells.
- the proximal flange section 14 is symmetrical and in extension to the parting plane and the angle between the proximal flange section 14 and the distal flange section 12 is approximately 90 °.
- the proximal flange section 14 projects asymmetrically and obliquely to the parting plane and the angle between the proximal flange section 14 and the distal flange section 12 is approximately 60 °.
- the proximal flange section 14 protrudes asymmetrically and obliquely to the parting plane and the angle between the proximal flange section 14 and the distal flange section 12 is approximately 120 °.
- distal flange section 12 in the present example is aligned in the direction of movement of the elements die 3, upper and lower upstamp shown in the figures. This is cheap for sealing, but not necessary.
- the sealing line or sealing seam is applied at least in the distal flange section 12 during this step.
- the packaged product lying in the lower raising stamp 2 is now released again by moving the upper raising stamp 1 in the vertical direction in relation to the lower raising stamp 2 .
- this raised distal flange section 12 can, for example, be folded back onto the proximal flange section 14, so that a folded or flanged flange is formed and the distal flange section 12 covers the entire surface, or only partially, on the proximal flange section 14.
- the sealing line 31 is marked by an in Radial direction of the flange 9 extending sealing area, which in particular also extends circumferentially, for example completely around the product.
- the sealing area essentially seals the entire distal flange section 12 together, the fold line 32 that separates the distal flange section 12 from the proximal flange section 14, and a smaller part of the proximal flange section 14, namely the part that is adjacent to the fold line 32.
- the largest area or the largest area in terms of area in the cross-sectional direction of the sealing line 31 can be found in the area of the distal flange section 12.
- the die 3 is moved relative to the ensemble of the upper positioning stamp 1 and the lower positioning stamp 2 from the direction of the lower positioning stamp 2 in the direction of the upper positioning stamp 1, as a result of which the distal flange section 12 folded upwards, and thus placed between the outer peripheral surface 29 of the upper lifting ram 1 and in the inner peripheral surface 28 of the die 3.
- proximal flange section 14 is first defined by the upper lifting plunger 1 and the lower lifting plunger 2, only then is the step in which the distal flange section 12 is set up.
- a so-called cooling bell 33 is shown in addition to the upper raising stamp 1, the lower raising stamp 2 and the die 3.
- This cooling bell 33 essentially serves to cool the product 4 or the area of the proximal flange section 14 directly adjacent to the product 4, at least while it is being sealed.
- the cooling bell 33 has, as the first cooling surface, a planar cooling edge 34 which delimits a dome-like recess 35 which is completely closed to the rear.
- the dome-like recess 35 defines a second cooling surface in the manner of a cavity, which is spaced over an edge from the first cooling surface, which is essentially contour-forming to the upper surface of the food product and is in direct contact with the partial shell, or runs essentially parallel to the contour .
- any tear-open tabs or similar elements do not have to be taken into account in the definition, and no form-fitting or contour-parallel system has to be provided in this area.
- the perspective refers to the rough outline of the product without taking small details into account.
- the cooling bell 33 is provided concentrically with the upper punch 1 and is moved to this, relatively seen, against the lower punch 2 to press with the planar cooling edge 34 against part of the lower holding surface 13 of the lower punch 2. It can also be provided concentrically in each case a lower or upper cooling bell within the upper and lower Hochstellstem pels, or le diglich an upper or lower cooling bell, with the configuration described above. The cooling bell can also be omitted entirely.
- the cooling bell can be made of a thermally conductive material and / or can be a two-part or multi-part element.
- the top of the food product 4 is received, so that the second cavity 15 of the second shell 6 is held within this dome-like recess 35.
- the cooling edge 34 runs over the entire circumference and essentially with an exact contour to the contour of the packaged food, at the dividing line between the flange 9 and the corresponding cavities 15, 17 of the partial shells 5, 6 and presses against the lower holding surface 13 of the lower lifting ram 2 For example, if a tab or a similar element is provided, this is not taken into account when considering the contour-accurate course.
- the cooling bell is moved from above onto the packaged food product 4.
- the situation in FIGS. 1 and 2 can also be reversed, and the cooling bell 33 is moved from the lower side through the lower raising stamp 2 against the upper raising stamp 1.
- two cooling bells namely an upper and lower cooling bell, can be seen, which then hold the product with their corresponding planar cooling edges.
- the upper Ausneh tion 1 1 of the upper jack 1 is provided as a through hole through the jack 1, so that this bell 33 can be moved completely through this upper jack 1.
- the cooling bell can also be moved only partially and not completely through this upper lifting ram 1.
- a cooling ring can also be provided which has the functionality described for the cooling bell.
- cooling bell or the cooling ring insofar as reference is made to the cooling bell or the cooling ring beforehand, as an alternative to active cooling, only thermal separation can also be provided. Thus, for example, no fluid reservoirs are provided in the cooling bell or the cooling ring.
- a cooling device and / or an insulation device such as the described cooling bell or the described cooling ring or the thermal insulation bell or the thermal insulation ring, is not necessary and can also be omitted entirely.
- the lower raising stamp 2 however, has no through hole in the region of the lower recess 10.
- the lower punch 2 can also, like the upper punch 1, have a through hole and thus be open.
- the lower recess 10 forms a downwardly closed recess in which the food product can rest and from which the food product can be supported.
- the cooling bell 33 is vorlau fend, so that the cooling bell 33 first strikes against the lower holding surface 13 of the lower lifting punch 2, before the upper holding surface 16 of the upper Hochstellstem pels 1 against the lower Holding surface 14 of the lower punch 2 strikes.
- this configuration can also be exactly the other way round, so that the cooling bell is trailing and the planar cooling edge 34 strikes against the lower holding surface 14 of the lower elevating stamp 2 after the upper holding surface 16 of the upper elevating stamp 1 against the lower holding surface 14 of the lower elevating stamp 2 has been pressed.
- the stop of the planar cooling edge 34 can also be formed simultaneously with the meeting of the upper and lower holding surfaces 13, 16.
- the device should be designed in such a way that, at the moment when the distal flange section 12 is being sealed, the cooling bell 33, in particular in the region of the planar cooling edge 34, prevents heat from being excessively introduced into the food is entered.
- the cavities 15, 17 of the corresponding partial shells 5, 6 can rest over the entire surface of the recess 35 of the cooling bell 33, or can also be aligned with a minimum distance or with a greater distance parallel to the contour thereof.
- cooling bell 33, die 3, upper raising stamp 1 and lower raising stamp 2 can also be coupled to one another via spring elements, so that, for example, when the cooling bell 33 together with the upper raising stamp 1 is shut down and as soon as this with the planar cooling edge 34 against the lower holding surface 13 of the lower lifting punch 2, the cooling bell moves due to the resilient mounting on the upper lifting punch 1 with respect to this vertically, so that the upper holding surface 16 of the upper lifting punch 1 then in a second step against the lower holding surface 13 of the lower raising stamp 2 is pressed.
- FIG. 2 an example of the packaged food product 4 is shown, the flange 9 is now divided into a distal flange section 12 and a raised proximal flange section 14, the latter being raised or raised approximately 90 ° in relation to the proximal flange section 14 .
- the situation shown in FIG. 2 corresponds to the situation when the food product with the packaging is removed from the device in the step from FIG. 1d.
- the fold line 32 is also described, and the sealing line 31 is shown in its cross-sectional direction.
- the sealing line 31 extends in its cross-sectional direction in a very small part of the proximal flange section 14, adjacent to the fold line 32 and in the entire distal flange section 12.
- the food product 4 can be any food product, in particular a chocolate gur, a praline, a cake or a pastry, or a hollow chocolate figure.
- the outer surface of the food product should lie essentially over the entire surface of the inner walls in the corresponding cavities 15, 16 of the partial shells 5, 6.
- the packaged food product can be an Easter egg, an egg-shaped chocolate hollow product, an Easter bunny, a Santa Claus, Pentecostal fox or any other type of chocolate hollow figure and the partial shells can represent the known forms of Santa Claus / Easter bunnies, where the flange is preferably not in the visible area, but is provided on the sides of the rabbit / nicholas or Pentecostals.
- essentially two identically designed partial shells with two identically designed cavities 15, 16 are provided. Only the cross-sectional view can be seen in the figures. However, it is not necessarily the case that the two partial shells also each have a cavity from which a corresponding edge section protrudes. It is also possible that only one of the partial shells has a cavity and the other partial shell is shaped flat in the manner of a planar cover and the projecting flange then extends in the extension of the planar rear side of the product and is folded over.
- a bulge protrudes from both sides of the flange 9, which bulge is formed by the cavities 15, 16 of the partial shells 5, 6, and the flange extends all around a three-dimensionally shaped food product, the food product being viewed from above the flange extends in both directions of the flange.
- More than two partial shells can also be provided.
- the sealing in connection with the folding provides gas-tight packaging.
- the packaging should be at least chocolate-tight, so that melted or melted chocolate does not leak out of the packaging.
- gas tightness or chocolate tightness is not necessary.
- FIGS. 3a, 3b, 3c show various configurations of a sealing device, which is provided in the present case by the upper stamp 1.
- FIGS. 3a to 3c can also be combined in one stamp.
- FIG. 3a. i is a top view of the ram, shown in Fig. 3a. ii is a side view of the ram and FIG. 3a.iii is a cross-sectional view taken along line A-A of FIG. 3a. i shown.
- the lifting ram 1, 2 has a through-opening 36 in the area of the recess 10, 11.
- the continuous opening is essentially formed by a stamp wall 38 standing vertically on a base plate 37.
- the punch wall 38 is vorlie one piece with the base plate 33 and made of the same material as the base plate 33 and protrudes from the base plate 37.
- the corresponding holding surface 13, 16, with which the aforementioned proximal flange section 14 is fixed, is provided on the side of the stamp wall 38 facing away from the base plate 37.
- the opening 36 or the stamp wall 38 has, in FIG. 3a. I shown top view, a shape that corresponds to the outer contour of the food product 4 or the proximal flange portion 14 immediately adjacent to the food product 4.
- the opening could have the shape of a Santa Claus in the cross-sectional direction.
- the cooling bell 33 which is shown in FIGS. 1 a to 1 d, can be moved through this continuous opening 36. In particular, the planar cooling edge 34 is then provided between the food product and the stamp wall 38.
- the stamp wall 38 completely encompasses the packaged food product 4 in the present case.
- two bores 38a, 38b are provided within the base plate 37.
- the bores 38a, 38b are arranged parallel to one another and receive the stamp wall 38 or the opening 36 between them, so that a bore is provided on both sides of the stamp wall 38 or the opening 36.
- a heating cartridge (not shown in the figure), e.g. has a cylindrical diameter corresponding to the bore, be set.
- the symmetrical configuration with two bores 38 a, 38 b spaced apart via the opening 36 ensures that the stamp wall 38 is heated substantially uniformly and that, in particular, the heat from the outer peripheral surface 29 of the stamp 1, 2 onto the raised distal flange section 12 can be transferred.
- the bores 38a, 38b are provided in the region of the base plate 37 and the heat flows from the base plate 37 into the stamp wall 38, the heat introduced into the flange decreases in the direction of the holding surfaces 13, 16 which delimits the stamp wall 38, so that less heat is applied in the area of the holding surface 13, 16 where the proximal flange section 14 is held.
- the heat can flow through the stamp wall 38 in such a way that only the distal flange section 12 is sealed, and / or at least only a small part of the proximal flange section 13 is sealed.
- further bores can also be provided perpendicular to the two bores 38a, 38b shown in FIG. 3, so that the opening 36 is delimited circumferentially by bores in which a heating cartridge is inserted in each case.
- the holes do not have to be continuous in the surface direction of the base plate 37, but can also be closed on one side.
- the material of the raised stamp shown can be a thermally conductive material, in particular aluminum, steel or copper, or an alloy thereof.
- the punch can also be made of non-thermally conductive material such as plastic or ceramic.
- the stamp may also not be in one piece, but in more parts, so that, for example, the base plate 37 is an element separate from the stamp wall 38.
- FIG. 3b an alternative embodiment of the Hochstellstem shown in Figure 3a is shown.
- Fig. 3b. i is a top view of the ram, shown in Fig. 3b.
- ii is a side view of the ram.
- this lifting stamp contains a base plate 37 and a stamp wall 38 and all aspects not described in further detail below, which were previously described for the embodiment from FIG. 3a, can also be provided for the embodiment from FIG. 3b.
- a continuous opening 36 is also provided here.
- the stamp wall 38 has the step 39, which in the present case extends fully circumferentially around the stamp wall 38, in the outer circumferential surface thereof.
- a planar heating element holding surface 40 is provided on the outer circumferential surface 29, 30 of the elevating plunger 1, 2, which is objected to by an edge.
- a heating element H which is shown schematically in this figure and has a rectangular shape or is formed by a heating foil, can be attached to this heating element holding surface 40.
- the heating element H is attached in such a way that an outer surface 41 of the heating element H merges essentially flush into an outer surface 42 of the stamp wall 38.
- the ram 1, 2 essentially has a planar outer peripheral wall, by means of which the distal flange section 12 is erected.
- the heating element has a side surface which merges into the holding surface 13, 16 essentially without a space.
- part of the proximal flange portion 14 can also be heated and, if necessary, sealed by means of this side surface of the heating element.
- a heating tape, a circumferential heating foil, or any other heating element can be installed as a heating element.
- the heating foil is, for example, supplied with current via a cable guide, which can be provided within the lifting ram, in order to heat it.
- the lifting stamp need not be made of a thermally conductive material, but can be made of a thermally non-conductive i.e. thermally insulating material, such as ceramic or plastic.
- FIG. 3c shows a further embodiment of the positioning stamp, the basic positioning of the positioning stamp being similar to that of the positioning stamp in FIGS. 3a and 3b, only that the positioning of the heating element is different.
- Fig. 3c. i is a top view of the lifting ram shown in Fig. 3b.
- ii is a cross-sectional view taken along line A-A of Figure 3b. i shown.
- a heating element holding groove 43 is provided in the holding surface 13, 16, in which the heating element H, which in the present case is designed as a circumferential heating wire, is held.
- This heating wire preferably does not protrude forward over the holding surfaces 14, 16.
- This heating wire can also be heated via a feed line, not shown.
- proximal flange section 14 is also sealed in the present embodiment, so that, for example, the sealed section in the region of the proximal flange section 14 turns out to be larger than the sealed section in the distal flange section 12.
- the through opening 36 and the configuration of the through opening 36 vice stamp wall 38 is not necessary.
- a downwardly closed recess can be provided instead of the opening, as is shown in FIGS. 1 a to 1 d for the lower lifting ram 2, a downwardly closed recess can be provided.
- FIGS. 4a and 4b two different embodiments for heating the die 3 are explained.
- the matrices shown in FIGS. 4a and 4b can be a matrix as shown in FIGS. 1 a to 1 d.
- the same reference numerals are used for the same elements. As far as they have been described above, the same elements are not described again.
- 4.ai and 4.bi each show a top view of the die 3 and in FIGS. 4.a.ii and 4.b.ii a cross-sectional view along the corresponding line AA from FIGS. 4.ai and 4 .bi
- the die 3 in FIG. 4a is designed as a plate element 45 with a multiplicity of continuous matrix openings 44.
- Each die opening 44 essentially corresponds to the outer peripheral contour of the food.
- the so-called offset i.e. the distance to the basic contour of the food in the area of the proximal flange section 14, which directly adjoins the food product, is somewhat larger than the distance of the opening 36, in the lifting stamp shown in FIGS. 3a to 3c.
- the punch wall 38 of the lifting punch from FIGS. 3a to 3c has such an outer circumferential diameter that it fits into the continuous die opening 44.
- the die openings 44 are each delimited by the inner circumferential surface 28 described above.
- the corresponding distal flange sections 12 are raised and sealed over these inner peripheral surfaces.
- the plate element 45 is made of a thermally conductive material, such as aluminum, steel, copper or a corresponding alloy. If the die does not contain the heating element for sealing, the die can also be made of a non-thermally conductive material, such as ceramic or plastic.
- the corresponding die holes 46 are provided, into which heating cartridges (not shown) can also be inserted.
- the heating cartridges previously described for the lifting ram are inserted into the die holes 44 in order to heat the die 3.
- the matrix bores 46 can, as shown in FIG. 4a, be completely continuous. Alternatively, such a bore can also be designed as a hole closed on one side.
- the heat is then introduced into the plate element 45 via the heating cartridge and from there it is introduced into the distal flange section 12 for sealing via the corresponding inner peripheral surface 28 of the die 3, which is defined by the die openings 44.
- the distal flange portion 12 can be sealed during the sharing.
- the embodiment shown here in FIG. 4 is not limited to the situation in which a number of a plurality of die openings 44 are seen side by side and one behind the other.
- the die 3 can also have only one continuous opening, so that a single food product is processed.
- a situation is shown in which the plate element 45 is not provided with corresponding bores for the heating cartridge. Instead, corresponding additional elements 47 are placed on the plate element 45, e.g. by gluing or welding. In each additional element 47, a die bore 46 is formed.
- the heating device can also assume a configuration as shown for the lifting ram in FIG. 3b, one on the inner peripheral surface 28 of the die, which defines the die opening 44 corresponding step, or a groove for a heating element is provided.
- the cooling bell 33 shown in FIG. 5a has a multi-part structure with a cover 48, a base body 49, an inflow pipe 50 and an outflow pipe 51.
- a cooling fluid reservoir 52 is provided between the cover and the base body, into which a cooling fluid flows through the inflow pipe 50 can be initiated. The cooling fluid can be discharged through the drain pipe 51.
- the cooling fluid such as water or any other cooling liquid or also a cooling gas, circulates in this cooling fluid reservoir 52 in order to cool the cooling bell 33.
- a seal 55 is provided between the cover 48 and the base body 49.
- the base body 49 is made of a thermally conductive material, such as the materials described above, so that the planar cooling edge 34 enables thermal separation of the product and the sealing area.
- the base body 49 has the dome-like recess 35 described above.
- the base body 49 and / or the cover 48 can be made of the thermally conductive material, for example metal, such as e.g. Copper, aluminum, steel or any alloy thereof.
- a sliding coating 54 can be provided circumferentially on an outer circumferential surface 53 of the cooling bell 33 so that when the cooling bell 33 is guided through the parking punch 1, it can slide better along an inner circumferential surface of the parking punch.
- a one-part design can also be provided, in which the cooling bell 33 together with the inflow and outflow pipe 50, 51 forms a one-part element which has a cooling fluid reservoir 52 in which the coolant circulates.
- the cooling fluid reservoir 52 is designed such that it essentially reproduces the contour, the dome-like recesses 35.
- the cooling fluid reservoir 52 in FIG. 5a is only designed as an element that is rectangular in its cross-sectional direction.
- the cooling bell 33 is designed as a one-piece element, it can preferably be produced in a 3D printing process, in particular also from a thermally conductive material, such as the aforementioned metals.
- the distance (offset) from the product to the inner peripheral surface of the die can be greater than the distance (offset) from the product to the outer peripheral surface of the lower punch.
- the cooling bell fits e.g. into the opening of the upper punch.
- Metal materials in particular aluminum foil, coated with PE or another plastic or any plastic material that melts when exposed to heat to form the sealing line can be used as materials for the partial shells or as packaging material.
- a film can also be paper or cellulose-containing film, in particular a film made of thermoformable paper.
- the foils can also be coated, for example with a sealing layer.
- the plastic coating melts when heat is introduced through the sealing device and the sealing takes place.
- the thickness of the metal foil can be between 10 and 50 pm.
- the thickness of the plastic material applied to it can be between 10 - 50 pm.
- Other preferred values are 20pm, 25pm, 30pm and 45pm.
- the aforementioned values can each form the upper or lower limit of a preferred range.
- a so-called heat seal lacquer in an amount between 1 - 5 g / m 2 can be applied to the metal foil over the entire surface using a coating or gravure printing machine or only in the areas where it is is sealed, applied.
- a trade name of such a heat seal lacquer is WA-LVG2 from Constantia Hueck Films GmbH in Weiden.
- the bell or the ring is made of thermally insulating material, it is a thermal insulation bell or a thermal insulation ring, which can be provided as an alternative or in addition to the cooling bell or the cooling ring can.
- An insulation bell can also be provided made of ceramic, such as zirconium oxide, or any other thermally insulating material.
- the insulation bell can also only be coated with such a material for thermal insulation
- the cavity of the cooling bell or insulation bell can rest on the product essentially in a form-fitting manner or also essentially parallel to the contour at a distance of 0-1 mm be provided.
- any tear-open tabs or similar elements do not have to be taken into account in the definition, and that there is no need for a form-fitting or contour-parallel system in this area.
- the perspective refers to the rough outline of the product without taking small details into account.
- a 3D-printed heating track can also be provided on the corresponding elements.
- the method and the device for the packaging of a food product can also form an invention in itself to use the device or the method for packaging hygiene articles, in particular toothbrushes, razors etc.
- the method or the device can be used for all articles, the packaging of which has at least two edge sections to be sealed, which lie opposite one another and are folded and sealed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Composite Materials (AREA)
- Package Closures (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018219300.2A DE102018219300B4 (de) | 2018-11-12 | 2018-11-12 | Einpackvorrichtung zum Einpacken eines Lebensmittelproduktes sowie Verfahren zum Siegeln und Falzen eines Randes einer Schale eines Lebensmittelproduktes |
PCT/EP2019/078990 WO2020099088A2 (de) | 2018-11-12 | 2019-10-24 | Einpackvorrichtung zum einpacken eines lebensmittelproduktes sowie verfahren zum siegeln und falzen eines randes einer schale eines lebensmittelproduktes |
Publications (1)
Publication Number | Publication Date |
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EP3879993A2 true EP3879993A2 (de) | 2021-09-22 |
Family
ID=68387314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19795165.0A Pending EP3879993A2 (de) | 2018-11-12 | 2019-10-24 | Einpackvorrichtung zum einpacken eines lebensmittelproduktes sowie verfahren zum siegeln und falzen eines randes einer schale eines lebensmittelproduktes |
Country Status (3)
Country | Link |
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EP (1) | EP3879993A2 (de) |
DE (1) | DE102018219300B4 (de) |
WO (1) | WO2020099088A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102020122536A1 (de) | 2020-08-28 | 2022-03-03 | Stampac Gmbh | Verfahren und Vorrichtung zum Verpacken eines Gegenstands |
JPWO2022176429A1 (de) * | 2021-02-22 | 2022-08-25 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009016722A1 (de) * | 2009-04-09 | 2010-10-14 | Beck Packautomaten Gmbh & Co. Kg | Unterstempel für eine Trenn- und Siegelvorrichtung |
SG188237A1 (en) * | 2010-08-20 | 2013-04-30 | Skylife Technology Holdings Llc | Supply packs and methods and systems for manufacturing supply packs |
EP2724840A1 (de) * | 2012-10-25 | 2014-04-30 | ROPEX Industrie-Elektronik GmbH | Schweißeinrichtung und Verfahren zum Verschweißen von wenigstens zwei Werkstofflagen eines Werkstücks |
ITTO20130097A1 (it) | 2013-02-06 | 2014-08-07 | Soremartec Sa | Procedimento per realizzare una confezione di un prodotto alimentare, in particolare un prodotto dolciario |
NZ736438A (en) * | 2013-04-09 | 2019-06-28 | Cryovac Llc | Process and system of supplying film sheets to a packaging assembly of a packaging apparatus |
RU2680034C2 (ru) * | 2014-10-10 | 2019-02-14 | Криовак, Инк. | Устройство и способ упаковки продукта |
DE102015101417B4 (de) | 2015-01-30 | 2016-09-01 | Chocal Aluminiumverpackungen Gmbh | Verfahren zum Herstellen einer Verpackung |
DE102016202814A1 (de) * | 2016-02-24 | 2017-08-24 | Chocal Aluminiumverpackungen Gmbh | Verfahren und Maschine zum Verpacken eines Lebensmittelprodukts |
JP2019513106A (ja) * | 2016-02-26 | 2019-05-23 | クライオバック・エル・エル・シー | 包装アセンブリ用加熱ヘッド、包装装置および方法、加熱ヘッドを製造するための製造方法 |
DE102016216444A1 (de) | 2016-08-31 | 2018-03-01 | Chocal Aluminiumverpackungen Gmbh | Vorrichtung zur Herstellung einer Lebensmittelverpackung und Verfahren zur Herstellung von Verpackungsteilschalen einer Lebensmittelverpackung |
-
2018
- 2018-11-12 DE DE102018219300.2A patent/DE102018219300B4/de active Active
-
2019
- 2019-10-24 WO PCT/EP2019/078990 patent/WO2020099088A2/de unknown
- 2019-10-24 EP EP19795165.0A patent/EP3879993A2/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE102018219300A1 (de) | 2020-05-14 |
WO2020099088A2 (de) | 2020-05-22 |
WO2020099088A3 (de) | 2020-09-17 |
DE102018219300B4 (de) | 2020-06-04 |
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