US20130133293A1 - Method and device for the portioned packaging of a food mass - Google Patents

Method and device for the portioned packaging of a food mass Download PDF

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Publication number
US20130133293A1
US20130133293A1 US13/700,383 US201113700383A US2013133293A1 US 20130133293 A1 US20130133293 A1 US 20130133293A1 US 201113700383 A US201113700383 A US 201113700383A US 2013133293 A1 US2013133293 A1 US 2013133293A1
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United States
Prior art keywords
food mass
sealing
film
mold
forming means
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.)
Abandoned
Application number
US13/700,383
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English (en)
Inventor
Roland Zeuschner
Stefan Hofer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hochland SE
Original Assignee
Hochland SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of US20130133293A1 publication Critical patent/US20130133293A1/en
Abandoned legal-status Critical Current

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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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/12—Subdividing filled tubes to form two or more packages by sealing or securing involving displacement of contents
    • 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
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/10—Forming sector-shaped packages of cheese or like plastic products
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/02—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved with means for heating the material prior to forming
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/08—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure
    • B65B47/10—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure by vacuum

Definitions

  • the invention relates to a method for the portioned packaging of an at least substantially incompressible food mass, of processed cheese in particular, which is filled as a flowable mass into a tubular wrapping comprising a thermoplastic plastic film.
  • the invention further relates to a device for carrying out the method.
  • the portioned packaging of such a food mass is poured into shells, which are preformed of a stable film, more particularly plastic.
  • the individual shells filled with the food mass are subsequently closed and separated from one another.
  • the disadvantage of this solution is that a separate tool or even a separate machine is required for each working step, more particularly preshaping, filling, closing and separating.
  • the portioned filling of preshaped packages with such a food mass is relative complex in terms of adjustment.
  • the problem addressed by the present application is therefore that of providing a method for the portioned packaging of a food mass, more particularly processed cheese, in which the individual packages of the food mass can be manufactured in a simple and low-cost manner in various shapes and which are easy for the consumer to handle.
  • a corresponding problem addressed by the invention is that of providing a device for implementing the method.
  • the significant fundamental idea of the invention is to fill the food mass into a film tube and subsequently deform it by deep drawing while maintaining the presence of the food mass.
  • the food mass is basically displaced out of regions of the completely filled tube into regions in which deep drawing takes place quasi simultaneously. A separate deep-drawing punch is not required, however.
  • the food mass functions as a punch and presses the film into the mold of the tool.
  • the mass that is excessive in the regions of the displacement finds space in the newly formed regions.
  • the thermoplastic plastic film of the wrapping enclosing the food mass is reshaped in a mold into individual units, each defining a portion, with displacement of the food mass out of sealing areas. Said units disposed one behind the other in a chain are delimited from one another by way of sealing in the sealing area and are subsequently separated from one another.
  • Such a unit is also referred to in the following as a cavity filled with the food mass.
  • the cavity defining a portion of the food mass is therefore formed, according to the invention, in the film strip, which is already filled.
  • the flowable food mass enclosed by the film strip thereby completes the shaping of the film layer and assumes the shape of the cavity.
  • the shaping of the film strip and a portioning of the food mass are therefore concomitant.
  • the method according to the invention makes it possible to manufacture easy-to-handle individual packages in an automated manner.
  • the method can replace the subsequent filling of preformed shells.
  • product output is markedly increased.
  • the method is suitable more particularly for the portioned packaging of processed cheese, since processed cheese is particularly easy to handle because the viscosity thereof can be adjusted via temperature.
  • the method makes continuous production possible.
  • it offers high variability in terms of the possible packaging shapes.
  • the cavities can be formed in the filled film strip in nearly any shape and, due to the three-dimensional orientation thereof in particular, they offer a great deal of freedom for product design.
  • the shaping of the filled film strip can be integrated into existing production systems for packaging food masses. It is therefore possible to retrofit or expand previously used machine lines for the new method.
  • both film layers of a double-layer film tube filled with food mass are molded.
  • By forming opposing cavities in the double-layer film strip it is possible to increase the total volume of the individual package that is available.
  • Shaping the double-layer film strip on both sides also makes it possible to obtain a symmetrical design of the top part and the lower part of the individual packaging.
  • a top part of the forming means is designed smooth, for example, while the lower part comprises shaping cavities.
  • a vacuum is preferably applied in a forming means to support the formation of the cavities in the film layer.
  • the vacuum induces a type of deep-drawing effect on the film layer. It is applied while the mold segment of the forming means closes in the sealing area of the double-layer film strip.
  • the vacuum is deactivated before the shaping means is opened.
  • the film layer is thereby not only pressed into the mold segment, it is also drawn in via suction. It comes to line the walls thereof and assumes the shape thereof.
  • the vacuum induces a precise molding of the predefined shape by way of the thermoplastic film.
  • the food mass is thereby not only displaced out of the sealing areas, it is also suctioned into the mold segments. It follows the shaping of the film layer and fills the mold segment. Only a slight amount of food mass remains in the sealing area due to the combination suction and displacement effect acting on the food mass, thereby simplifying the subsequent sealing of the film layers in the sealing area. It is particularly advantageous when the vacuum is adapted to the food mass in terms of level and duration.
  • thermoplastic plastic film supports the formation of the cavities in the film strip. To this end, the regions of the forming means coming in contact with the film to be reshaped are heated.
  • Thermoplastic plastics of different types and film thicknesses can be processed using the method and the device. Films made of PE, PET and PP are suitable in particular. The preferred film thickness is between 20 ⁇ m and 100 ⁇ m.
  • the method also makes it possible to use film tubes made of film strips of different materials. Film strips made of thermoplastic plastic and aluminum foil can be combined, for example.
  • a separating segment of the forming means is first moved into the food mass enclosed by the film strip.
  • Said separating segment which is designed as a type of hold-down device, moves into the production strand before the individual packages are shaped. It therefore delimits the part to be reshaped from the rest of the film tube.
  • This subdivision of the product strand defines the region of the filled film tube that is available for the forming process.
  • the segment prevents food mass from flowing out of the rest of the production strand into the part of the film strip to be reshaped while the cavities are being formed. It is thereby possible to minimize fluctuations in the volume of the individual packages that are produced.
  • a vacuum is preferably applied to the cavities of the forming means. To this end, it is advantageous to use the vacuum connection to also supply vacuum.
  • the forming means preferably also comprises a means for sealing the sealing area located between the consecutive hollow shapes. Since the forming means not only forms the cavities in the filled film strip, but also seals the sealing area, this working step can be combined in one tool. It is therefore easier to change the shape of the individual packages. Such shape changes usually involve changing the shape and position of the sealing area between the individual packages. When the packaging shape is changed, the effort required for set up at the packaging system is therefore reduced.
  • the sealing area separating the cavities is sealed using ultrasound.
  • ultrasound for sealing has the great advantage over sealing using heat that a seam sealed using ultrasound is easier to re-open later, that is, it has better “pealability”.
  • the ultrasound displaces any remaining quantities of food mass out of the sealing area.
  • a product inclusion in the sealing seam is prevented. This ensures uniform strength of the sealing seam.
  • a product inclusion in the sealing area is perceived by the customer as an impairment of quality.
  • the clean sealing seam increases the appearance of quality of the final product.
  • the sealing by way of sonotrode and sealing anvil can take place in a separate working step.
  • the forming means itself more particularly the lateral delimitations of the shaping cavity thereof moving into the sealing area, are preferably designed as a sonotrode. The sealing components are therefore integrated into the forming means.
  • the film strip is cut in the sealing area.
  • the packages of food mass which have been separated from one another, are then fed individually to the further packaging process.
  • the individual working steps of the shaping, sealing and separation of the individual packages are preferably combined in direct succession.
  • the separating device is part of the forming means.
  • the food mass is cooled before the filled film strip is shaped.
  • the food mass is pressed therein and is preferably also suctioned therein.
  • the consistency of the food mass is therefore not required to be liquid but merely flowable in order to fill the cavities formed in the film strip.
  • the food mass has already cooled to a great extent when the cavities are formed in the film layer. It is therefore possible to eliminate complex cooling of the shaped individual package in order to prevent deformations in the further course of the production process, and to eliminate having to fill secondary packages.
  • the food mass is preferably guided along a cooling path using cooling belts in a manner known per se, or said food mass is directed through a cooling water bath. This ensures uniform cooling of the food mass.
  • the film can be supplied before or after cooling.
  • the edge regions of the two film layers overhanging at a longitudinal sealing seam form an opening tab for opening the package.
  • the two film layers are connected to one another via the longitudinal sealing seam before the cavities are formed.
  • it comprises one or two longitudinal sealing seams.
  • a single film is placed so as to form a double-layer film strip, it comprises a longitudinal sealing seam on one side, which connects the lateral end regions of the two film layers to one another.
  • the variant of a double-layer film strip formed of two film layers comprises longitudinal sealing seams on both sides.
  • the film layers are dimensioned in such a way that film edge regions of the joined film layers overhang after the longitudinal sealing seam is sealed. Pulling the overhanging film edge regions apart first opens the longitudinal sealing seam and, as pulling continues, opens the sealing areas of the individual package. The packaging portion can thereby be easily opened completely and the contents thereof can be removed from the packaging without leaving any traces behind.
  • the overhanging film edge regions are preferably cut off in such a way that the remaining film edge region of the two film strips has the shape of a tab protruding from the individual package.
  • the tab shape is intuitively recognized by the customer as an opening mechanism for the individual package, and therefore no further instructions on the package are required.
  • the two-layer film strip is in continuous forward motion. This creates an endless, continuously self-renewing product strand of the filled film strip. Automatic repositioning of the forming means during the forming process makes it possible to continuously manufacture individual packages of the food mass with correspondingly high product output.
  • the method or the device according to the invention makes it possible to manufacture packaging portions in highly diverse shapes.
  • the cavities can be formed in one film strip or in both film strips symmetrically or asymmetrically with respect to one another.
  • a further variable is the material that is selected for the films. The possibilities for variation therefore range from a symmetrical package having film strips made of plastic that are identically shaped on both sides and a sealing seam encircling the package in the center, to a package shaped on one side and having an off-center sealing seam, the non-reshaped aluminum foil strip of which closes the package in the manner of a cover.
  • the use of a transparent plastic film provides the consumer with a direct view of the packaged product. Additions such as herbs or nuts need not be only indicated on the label; the customer can even see them in the product itself.
  • coloring the film strip specifically according to type it is preferably possible to identify the contents of the package.
  • FIGS. 1 to 11 An embodiment of the invention is described in the following by reference to FIGS. 1 to 11 . Shown are
  • FIG. 1 shows an opened forming tool with a still undeformed production strand of the enclosed food mass
  • FIG. 2 shows a sectional drawing along the line A-A of FIG. 1 ;
  • FIG. 3 shows the closing forming tool as it begins to move into the product strand
  • FIG. 4 shows a sectional drawing along the line B-B of FIG. 3 ;
  • FIG. 5 shows the closing forming tool with a closed separating segment that has penetrated the product strand
  • FIG. 6 shows a sectional drawing along the line C-C of FIG. 5 ;
  • FIG. 7 shows the forming tool after completion of the forming process
  • FIG. 8 shows a sectional drawing along the line D-D of FIG. 7 ;
  • FIG. 9 shows a hold-down device of the forming tool
  • FIG. 10 shows a base plate of the forming element comprising mold segments
  • FIG. 11 shows a schematic representation of the various shaping steps on the product strand.
  • FIGS. 1 to 8 show a forming means according to the invention in the form of a forming tool 1 .
  • the forming tool is depicted in a series of various phases of the process of forming the film strip 2 filled with food mass.
  • the forming tool 1 which comprises an upper part 3 and a lower part 4 , is open and has no contact with the production strand of the film strip 2 .
  • the upper part 3 and the lower part 4 of the forming tool 1 are oriented toward the top side and the underside, respectively, of the production strand and are disposed opposite one another in a mirror-image manner.
  • the upper part 3 and the lower part 4 are of substantially identical construction, and so information regarding features or movements of one part 3 , 4 of the forming tool 1 always also relate to the other part 3 , 4 in a mirror-image manner.
  • Each part 3 , 4 of the forming tool 1 comprises a base plate 5 and a mold plate 6 , which is disposed on the side of the base plate 5 facing the production strand and is detachably connected thereto.
  • a separating segment 7 projects from the part 3 , 4 in the direction of the production strand.
  • the base plate 5 and the hold-down device are connected to one another via a guide 8 .
  • the guide 8 is preloaded via springs 9 and permits the hold-down device to move relative to the base plate 5 .
  • the base plate 5 further comprises a vacuum and compressed air connection 10 , which is connected to a hollow chamber 11 incorporated in the mold plate 6 . A vacuum is applied at a mold segment of the forming tool 1 via the hollow chamber 11 .
  • the hollow chamber 11 is delimited on the product-strand side by an insertable base 12 , which is separated from the base plate 5 by way of a spacer sleeve 13 .
  • the insertable base 12 in combination with webs 14 of the mold plate 6 protruding laterally from the insertable base 12 in the direction of the production strand, forms a mold segment 15 , which is open toward the filled film strip 2 and into which the film strip 2 is formed.
  • the mold segment 15 therefore forms a female mold for the film strip 2 filled with the food mass 16 .
  • the film strip 2 filled with food mass 16 comprises two film layers 17 , 18 , which are connected to one another on both sides via longitudinally extending sealing seams 19 . Film edge regions 20 protrude from the double-layer film strip 2 along the longitudinal sealing seams 19 .
  • the mold plate 6 comprises two temperature-controlled cartridge heaters 21 for the temporary and local heating of the thermoplastic film layer 17 , 18 .
  • FIGS. 3 and 4 show the forming tool 1 at the beginning of the closing process.
  • an outer surface of the hold-down device 7 is located at the level of the still non-deformed product strand of the filled film strip 2 .
  • the hold-down device 7 comprises a heating element, which is not shown here, in order to heat the thermoplastic plastic film to be deformed.
  • the heated hold-down device 7 is offset on either side with respect to the enclosed food mass 16 and is disposed above the film edge regions 20 of the double-layer film strip 2 .
  • the hold-down device 7 comprises a longitudinally extending insulating element 21 on both sides, which externally adjoins a longitudinal web 22 of the hold-down device protruding in the direction of the production strand.
  • the hold-down device 7 also comprises two cross webs, which are not shown here and extend transversely overall with respect to the production strand, said cross webs contacting the double-layer film strip 2 in this position of the closing process.
  • the hold-down devices 7 are closed by the upper part 3 and the lower part 4 of the forming tool 1 , and therefore the film edge regions 20 are held between the longitudinal webs 22 and the insulating elements 21 .
  • the cross webs of the hold-down devices 7 have fully penetrated the product strand.
  • the cross webs which are disposed at the beginning and at the end of the hold-down device 7 relative to the production strand, therefore seal the region of the production strand to be deformed by the forming tool 1 .
  • FIGS. 7 and 8 show the forming tool 1 with the upper part and the lower part 3 , 4 completely closed.
  • the pressure plate 5 together with the mold plate 6 , in both parts 3 , 4 moves in the direction of the production strand.
  • the heated webs 14 of the mold plates 6 thereby penetrate the product strand in opposition, deform the thermoplastic film layer 17 , 18 at this point, and displace the food mass 16 located in this region of the product strand.
  • the food mass 16 presses the film layers 17 , 18 into the mold segments 15 .
  • the food mass 16 which is at least nearly incompressible, functions as a deep-drawing punch that presses the film layer 17 , 18 into the mold segments 15 .
  • Cavities 23 each defining a portion of the food mass 16 and following one another individually, are thereby formed in the film layers 17 , 18 .
  • the film layer 17 , 18 is drawn against the heated insertable base 12 via the vacuum present in the mold segment 15 .
  • the vacuum is applied after the hold-down device 7 has fully penetrated the product strand.
  • the strength and the duration of the vacuum are adapted to the food mass.
  • the food mass 16 which is still flowable and has been displaced from the region of the closing webs 14 , completely fills the cavity 23 that forms.
  • two opposed cavities 23 form a single portion of the food mass 16 in each case.
  • the shape of the portion is defined by the mold segments 15 of the parts 3 , 4 .
  • the mutually impacting webs 14 of the mold plates 6 press the film layers 17 , 18 together and define a sealing area 24 encircling the individual packages.
  • the sealing area 24 is sealed using an ultrasonic sealing method known per se in order to permanently shape the individual packages.
  • the webs 14 function as a sonotrode (welding horn), and therefore the sonotrode and sealing anvil sealing components are integrated in the forming tool.
  • the two working steps can also be carried out by two tools that follow one another in the production process.
  • the vacuum in the mold segment 15 is no longer maintained.
  • the parts 3 , 4 of the forming tool move apart from one another and release a strand of fully formed, consecutive individual packages of the food mass 16 .
  • the forming tool moves at a speed v wx , which corresponds to the speed v p of the continuously moving production strand.
  • the forming tool 1 moves along the production strand opposite the conveyance direction back into a starting position, from which a new work cycle starts.
  • the rear—relative to the production direction—web 25 of the hold-down device 7 moves from the starting position of the forming tool 1 to the boundary of the strand section that was formed by the front web 25 in the previous work cycle.
  • FIG. 9 shows a hold-down device 7 of the type described, in an axonometric representation. Shown clearly are the webs 22 extending parallel to the production strand, against which the insulating elements 21 on both sides bear. The webs 22 are connected to one another via two webs 25 , which extend transversely overall and penetrate the production strand when the hold-down device 7 closes. The webs 25 delimit the section of the production strand that can be deformed in one work cycle of the forming tool.
  • the leads 26 for the heating element, which is not shown, and the associated sensors are disposed laterally on the hold-down device 7 .
  • FIG. 10 shows an axonometric representation of a base plate 5 having a mold plate 6 fastened thereon.
  • the webs 14 that laterally delimit a mold segment 15 protrude from the mold plate 6 .
  • the insertable base 12 forms the base of the mold segments.
  • the selection of the mold segments 15 in the shape of cheese wedges in this case, defines the shape of the individual packages.
  • FIG. 11 shows a production strand of the filled film strip 2 at various points in time of the forming process, which occur one after the other in the production strand.
  • Cavities 23 are formed in the double-layer film strip 2 , which is filled with food mass 16 and is sealed by way of two longitudinal sealing seams 19 , said cavities being separated by a sealing area 24 into cavities 23 that are disposed one after the other and define the individual package 27 of the food mass.
  • the sealing area 24 encircling each individual package 27 is sealed by way of ultrasonic sealing means, thereby removing any remaining food mass 16 from the sealing area 24 that has not yet been displaced by the webs 14 .
  • the consecutive individual packages 27 are separated from one another. In so doing, the film edge regions 20 are cut off in such a way that a remaining film edge region of the two film layers 17 , 18 forms an opening tab 28 for the individual package 27 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Dairy Products (AREA)
  • Packages (AREA)
US13/700,383 2010-05-28 2011-05-17 Method and device for the portioned packaging of a food mass Abandoned US20130133293A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010021838.3 2010-05-28
DE102010021838A DE102010021838A1 (de) 2010-05-28 2010-05-28 Verfahren und Vorrichtung zum portionierten Verpacken einer Lebensmittelmasse
PCT/EP2011/057984 WO2011147719A2 (de) 2010-05-28 2011-05-17 Verfahren und vorrichtung zum portionierten verpacken einer lebensmittelmasse

Publications (1)

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US20130133293A1 true US20130133293A1 (en) 2013-05-30

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US13/700,383 Abandoned US20130133293A1 (en) 2010-05-28 2011-05-17 Method and device for the portioned packaging of a food mass

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US (1) US20130133293A1 (de)
EP (1) EP2576350B1 (de)
JP (1) JP2013528142A (de)
KR (1) KR20130045279A (de)
AU (1) AU2011257427A1 (de)
BR (1) BR112012030296A2 (de)
CA (1) CA2800692A1 (de)
DE (1) DE102010021838A1 (de)
MX (1) MX2012013248A (de)
RU (1) RU2012157082A (de)
WO (1) WO2011147719A2 (de)

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US20150210021A1 (en) * 2014-01-24 2015-07-30 Multivac Sepp Haggenmüller Gmbh & Co. Kg Deep-drawing packaging machine comprising an ultrasonic device

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DE102011119385B4 (de) 2011-11-25 2018-08-16 Hochland Se Lebensmittelprodukt in Folienverpackung
DE102012105749A1 (de) * 2012-06-29 2014-01-02 Hochland Se Verfahren zum Separieren von Portionen einer Lebensmittelmasse
KR102599074B1 (ko) 2021-09-16 2023-11-03 윤규종 단위제품의 포장장치
WO2023132809A1 (en) * 2022-01-07 2023-07-13 Sütaş Süt Ürünleri̇ Anoni̇m Şi̇rketi̇ Packaging method for triangle formed processed cheeses

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MX2012013248A (es) 2013-03-12
EP2576350A2 (de) 2013-04-10
KR20130045279A (ko) 2013-05-03
DE102010021838A1 (de) 2011-12-01
EP2576350B1 (de) 2017-04-12
AU2011257427A1 (en) 2012-11-29
RU2012157082A (ru) 2014-07-10
BR112012030296A2 (pt) 2016-08-09
WO2011147719A2 (de) 2011-12-01
JP2013528142A (ja) 2013-07-08
CA2800692A1 (en) 2011-12-01

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