US20050158442A1 - Wax-coated cheese - Google Patents

Wax-coated cheese Download PDF

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Publication number
US20050158442A1
US20050158442A1 US11/013,631 US1363104A US2005158442A1 US 20050158442 A1 US20050158442 A1 US 20050158442A1 US 1363104 A US1363104 A US 1363104A US 2005158442 A1 US2005158442 A1 US 2005158442A1
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United States
Prior art keywords
cheese
wax
tear strip
wax layer
layer
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
US11/013,631
Inventor
Werner Westermann
Klaus Kempter
Ludwig Rupp
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Kraft Foods R&D Inc USA
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Kraft Foods R&D Inc USA
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Filing date
Publication date
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Assigned to KRAFT FOODS R&D, INC. reassignment KRAFT FOODS R&D, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KEMPTER, KLAUS, WESTERMANN, WERNER, RUPP, LUDWIG
Publication of US20050158442A1 publication Critical patent/US20050158442A1/en
Abandoned legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C19/00Cheese; Cheese preparations; Making thereof
    • A23C19/06Treating cheese curd after whey separation; Products obtained thereby
    • A23C19/068Particular types of cheese
    • A23C19/072Cheddar type or similar hard cheeses without eyes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/38Articles or materials enclosed in two or more wrappers disposed one inside the other
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C19/00Cheese; Cheese preparations; Making thereof
    • A23C19/06Treating cheese curd after whey separation; Products obtained thereby
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C19/00Cheese; Cheese preparations; Making thereof
    • A23C19/14Treating cheese after having reached its definite form, e.g. ripening, smoking
    • A23C19/16Covering the cheese surface, e.g. with paraffin wax
    • A23C19/166Covering the cheese surface, e.g. with paraffin wax with non-edible preformed foils, films or bandages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66Inserted or applied tearing-strings or like flexible elements
    • B65D75/68Inserted or applied tearing-strings or like flexible elements extending through wrapper closure or between wrapper layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B65D85/76Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials for cheese

Definitions

  • the present invention relates to wax-coated cheese, a new coating/opening system and a process for making same.
  • the periphery of the package may be hermetically sealed.
  • the first inner wax layer is uncolored and/or the second outer wax layer is colored.
  • the tear strip comprises a plurality of holes throughout through which the first inner and second outer wax layers are firmly connected.
  • the cheese may be natural cheese, processed cheese, cream or fresh cheese or any other type of cheese.
  • the preferred cheese is processed cheese.
  • the cheese portion may have any desired form and is preferably triangular.
  • the invention also may provide a corresponding packaging system useful for packaging a processed cheese portion.
  • the tear strip surrounds all three side walls of a generally triangular processed cheese portion and has one protruding portion.
  • the tear strip is provided at the two elongated side walls of the triangular processed cheese portion and has one or two protruding portions.
  • the tear strip is provided at the top and at one elongated side wall of the processed cheese portion and has one protruding portion.
  • the tear strip has a plurality of holes throughout and step (c) is carried out under conditions which allow the first inner and second outer wax layers to melt together and form a firm connection through the holes of the tear strip.
  • FIG. 1 a is perspective side view of a triangular cheese portion covered with a first inner wax layer which is surrounded on its side walls with a preferred tear strip having a plurality of holes and one protruding tear strip portion;
  • FIG. 1 b is a perspective side view of the embodiment of FIG. 1 a which is covered with a second outer wax layer;
  • FIG. 1 c is a perspective side view of the embodiment of FIG. 1 b which is opened at two sides after tearing the tear strip;
  • FIGS. 2 a to 2 c are perspective side views of another embodiment corresponding to FIG. 1 a to 1 c with a preferred tear strip on the two elongated side walls of the cheese portion having a plurality of holes and one protruding tear strip portion;
  • FIGS. 3 a to 3 c are perspective side views of another embodiment of the present invention with a preferred tear strip on top and on one elongated side wall of the processed cheese portion having a plurality of holes and one protruding tear strip portion.
  • the present invention relates to cheese and a new packaging system which is useful for packaging cheese.
  • the key advantage of this new packaging system is the avoidance of carrying out the entire packaging process under the strict environmental conditions required to extend shelf life.
  • the cheese portions are simply covered under those strict environmental conditions with one preferably uncolored wax layer and all of the remaining packaging steps, i.e., fixing the tear strip onto the first inner wax layer and applying the second outer wax layer, can then be effected under less strict environmental conditions, which is most advantageous.
  • the cheese may be any known type of cheese, e.g., natural cheese, processed cheese or cream or fresh cheese. Preferably it is processed cheese.
  • the cheese portion to be packaged can have any desired form but is preferably triangular.
  • FIG. 1 a shows in a perspective view a cheese portion 5 which is covered with a first inner wax layer 1 and which is surrounded on all of its three side walls with a tear strip 2 which has a portion 3 which protrudes from the tip of the cheese portion 5 and which has as a preferred embodiment a plurality of holes 6 along its length.
  • the tear strip 2 has been fixed onto the first inner wax layer 1 by means of an adhesive.
  • FIG. 1 b shows the embodiment of FIG. 1 a which has been covered with a second outer wax layer 4 .
  • the application of the second outer wax layer 4 is carried out under conditions which lead to a melting together of the two wax layers 1 , 4 so that they can easily be separated from the cheese portion 5 .
  • the two wax layers 1 , 4 also melt together through the holes 6 of the tear strip 2 so that the tear strip is firmly embedded between the two wax layers 1 , 4 . This allows an accurate opening of the outer wax layer 4 along the lines of the tear strip 2 .
  • the first inner wax layer 1 which firmly adheres to the tear strip 2 by means of the adhesive with which it has been fixed onto the first inner wax layer 1 and by means of the holes 6 of the tear strip 2 through which the two wax layers 1 , 4 have been melted together.
  • the holes in the tear strip relate to a preferred embodiment of the invention, and are not necessary to carry out the invention.
  • the adhesive layer on the tear strip is sufficient to form a firm connection to the first inner wax layer 1 .
  • FIG. 1 c shows the same embodiment which has been opened by tearing away the tear strip 2 from two sides of the triangular cheese portions. It can be seen that the inner side of the tear strip 2 is covered with the first inner wax layer 1 which has been torn away from the cheese portion 5 and the tear strip 2 can be easily and completely separated by further tearing the tear strip 2 from the third side wall of the cheese portion 5 . Finally, the top and the bottom comprising the second outer wax layer 4 and the attached first inner wax to layer 1 can then easily be separated, and the cheese portion 5 is ready for consumption.
  • the second outer wax layer 4 is applied under conditions which lead to a melting together of the first inner wax layer 1 and the second outer wax layer 4 and the melting together also takes place through the hole of the tear strip 2 , so that the tear strip 2 is firmly fixed between the first inner and second outer wax layers 1 , 4 , so that the tearing away of the tear strip 2 takes with it the corresponding parts of the first inner wax layer 1 and the second outer way layer 4 .
  • the cheese portion 5 After detaching the top and bottom portions of the second outer wax layer 4 to which the first inner wax layer 1 firmly adheres, the cheese portion 5 is ready for consumption.
  • FIGS. 2 a to 2 c A similar embodiment is shown in a perspective view in FIGS. 2 a to 2 c.
  • the tear strip 2 is fixed only to the two elongated aide walls of the cheese portion 5 covered with the first inner wax layer 1 but it has one protruding tear strip portion so that it can be opened by pulling the tear strip portion 3 towards and around the tip of the cheese portion 5 . Then, the top and bottom portions of the outer wax layer 4 can be opened and the cheese portion 5 is ready for consumption.
  • FIGS. 3 a to 3 c A further preferred embodiment of the invention is shown in FIGS. 3 a to 3 c.
  • the top and one side wall of the cheese portion 5 are covered with the tear strip 2 which, again, has in a preferred embodiment a plurality of holes 6 throughout and one protruding portion 3 .
  • FIG. 3 c The situation after tearing away tear strip 2 is shown in FIG. 3 c.
  • the top portion of the cheese portion 2 and one of the elongated side walls are separated from the package and the cheese portion 5 can be taken out of the package and consumed.
  • the firm process cheese sausage is cut into slices (preferably round) and each slice is cut into portions 5 (preferably six portions 5 that are generally triangularly shaped). Due to this cutting operation the preferred triangle portion 5 consists of 2 straight sides and 1 rounded side.
  • these cheese portions 5 are placed separately on a conveyor belt. Automatically by transporting on belts and rolls the portions pass a waxing station. The wax is hot and liquid and will cover the portions 5 completely (preferably the wax is sprayed onto the top and bottom of the portion 5 ) with a thin first inner wax layer 1 which might be optionally colored.
  • These production steps from the removal of the casing through application of the first wax layer 1 are preferably conducted in a clean room environment. After these production steps it is possible to take out the waxed process cheese portions and store the portions (preferably under refrigeration) for several days.
  • the following steps can be done without clean room conditions.
  • the pre-waxed process cheese portions either from the storage or directly coming out of the first waxing step, pass a label applicator which adds self-adhesive labels with or without holes onto the first inner wax layer 1 .
  • Some options how to apply the label are set forth below. Other label shapes and label positioning on the first inner layer wax 1 are possible.
  • the self adhesive label is a rectangular elongated tear strip 2 with or without holes 6 which is applied onto the two sides of the first inner wax layer 1 with a protruding portion 3 (opening handle) on the tip of the portion 5 ( FIGS. 1 a - e ).
  • the self adhesive label is a rectangular elongated tear strip 2 with or without holes 6 which is applied to the two long sides of the first inner wax layer 1 with a protruding portion 3 close to the round side of the portion 5 ( FIGS. 2 a - c ).
  • the self adhesive label generally triangularly shaped with or without holes 6 is applied to the top side and to one of the long sides of the first inner wax layer 1 .
  • the protruding portion 3 is positioned at a corner of the round side of the portion 5 ( FIGS. 3 a - c ).
  • the portion automatically by transporting on belts and rolls passes a second waxing station.
  • This wax is also hot and liquid and will cover the portions completely (preferably the wax is sprayed onto the top and bottom of the portion) with a thin second outer layer 4 which might be optionally colored.
  • the self adhesive label is designed such that a part of the label is a protruding portion 3 standing away from the process cheese portion and this part is foreseen to be used as the opening handle.
  • each waxed process cheese portion can be further packed.
  • Potential options of packing are wrapping, netting, flow packing or packing into other packaging.
  • the preferred option is wrapping into a thin pre-printed plastic film with an automatic wrapping machine.
  • Process cheese is filled into sausage casings of approximately 1 meter length and 98 mm diameter. After cooling, the sausage casing is removed and cheese slices with a thickness of approximately 14 mm are cut. Six process cheese portions are cut out of each round slice with a diameter of 98 mm.
  • the dimension of one generally triangular cheese portion 5 equals a segment with a 49 mm radius, an angle of 60 degrees and a height of 14 mm.
  • the weight per triangle is approx. 20 g.
  • the weight of six pieces is 120 g.
  • Each triangle passes a wax bath (white wax, at about 85° C.) where the first transparent inner wax layer 1 is added. This wax is a blend of hydrocarbon based waxes and plastics.
  • the triangle portion 5 is moving forward on rolls and the wax is sprayed from the top and from the bottom side to ensure that it is completely covered by wax. Approximately 1.5 grams of wax (about 0.1-0.2 mm thickness) is added. These operations are done in a clean room (according to class 10.000 US Fed. Standard 209 D).
  • the triangle portion 5 is cooled down to temperatures of about 20 degrees C. by passing a cooling cell (cold air circulation). Each portion 5 is maintained (by belts) in a defined horizontal direction on the conveyor belt.
  • One side of the triangle is in the direction of the tear strip applicator.
  • the tear strip applicator standard equipment, PAGO company
  • the rectangular tear strip 2 (preferred embodiment) contains holes 6 (preferably round, but any other shape is possible).
  • With the aid of the adhesive one side of the tear strip 2 is fixed on the inner wax layer 1 . By passing a roll, the other side of the label is pressed onto the inner wax layer 1 .
  • the tear strip 2 is added according to FIG. 2 with one protruding portion 3 (opening handle). Each triangle then passes a second wax bath (blue wax, about 75° C.) where a second outer wax layer 4 is added.
  • This wax is a blend of hydrocarbon based waxes, plastics and blue pigments. Approximately 3.0 grams of blue wax (about 0.2-0.4 mm thickness) is added.
  • the portion 5 moves forward on rolls and the wax is sprayed from the top and from the bottom to ensure that the portion is completely covered by wax.
  • the second outer wax layer 4 is partially melting the first inner wax layer 1 in the area of the holes. This results in good removal of the two wax layers 1 , 4 by pulling off the tear strip 2 .
  • the generally triangular portions 5 are kept refrigerated (at about 4° C.) before they will be ready for adding a secondary packaging (e.g., a cellophane wrapper).

Abstract

A wax-coated cheese comprising a cheese portion, a first inner wax layer covering the cheese portion, a second outer wax layer covering the first inner wax layer, a tear strip between the first inner and second outer wax layers covering selected parts of the first inner wax layer and comprising at least one portion which protrudes from the first inner and second outer wax layers and comprising an adhesive layer for adhering the tear strip to the first inner wax layer. Also disclosed is a corresponding packaging system and a packaging process.

Description

    FIELD OF THE INVENTION
  • The present invention relates to wax-coated cheese, a new coating/opening system and a process for making same.
  • DESCRIPTION OF THE PRIOR ART
  • In many consumer packaging applications, it is important to prevent air or water or the like from passing out of or into the package containing certain products. This is particularly true with respect to cheese packages for which the contained product must be kept in a controlled environment to prevent spoilage and deterioration. In order to preserve the integrity and safety of such a cheese product contained within such a package, the periphery of the package may be hermetically sealed.
  • It is known from various prior art documents to protect cheese against surface deterioration as caused principally by the formation of mold, by means of a surrounding film consisting of an impermeable flexible coating material such as wax, covering the cheese to be protected and in which is embedded a strip of which one or two ends protrude from the outer surface of the surrounding envelope, thereby enabling the cheese to be disengaged from the envelope after the strip has been removed.
  • Such cheese products and processes for making them are for example described in French Patent No. 1,388,048.
  • The entire packaging process in which the cheese is covered with the protecting wax layer and with the tear strip must take place under the strict environmental conditions required to extend shelf life, which is complicated and expensive.
  • There is a need for a system and process for packaging cheese in a less complicated and less expensive manner.
  • SUMMARY OF THE INVENTION
  • One embodiment of the invention comprises:
      • (a) a cheese portion,
      • (b) a first inner wax layer covering the cheese portion,
      • (c) a second outer wax layer covering the first inner layer,
      • (d) a tear strip between the first inner and second outer wax layers covering selected parts of the first inner wax layer and comprising a portion which protrudes from the first inner and second outer wax layers and comprising an adhesive layer for adhering the tear strip to the first inner layer.
  • In preferred embodiments of the invention the first inner wax layer is uncolored and/or the second outer wax layer is colored.
  • In a further preferred embodiment of the invention the tear strip comprises a plurality of holes throughout through which the first inner and second outer wax layers are firmly connected.
  • The cheese may be natural cheese, processed cheese, cream or fresh cheese or any other type of cheese. The preferred cheese is processed cheese.
  • The cheese portion may have any desired form and is preferably triangular.
  • The invention also may provide a corresponding packaging system useful for packaging a processed cheese portion.
  • In one preferred embodiment of this invention, the tear strip surrounds all three side walls of a generally triangular processed cheese portion and has one protruding portion.
  • In another preferred embodiment, the tear strip is provided at the two elongated side walls of the triangular processed cheese portion and has one or two protruding portions.
  • In still another embodiment, the tear strip is provided at the top and at one elongated side wall of the processed cheese portion and has one protruding portion.
  • Furthermore, there is provided a process for packaging a cheese portion that may comprise
      • (a) providing a cheese portion with a first inner wax layer,
      • (b) placing a tear strip with its adhesive layer over selected parts of the first inner wax layer wherein the tear strip comprises a portion which protrudes from the first inner wax layer,
      • (c) applying a second outer wax layer onto the first inner wax layer and the tear strip.
  • In a preferred embodiment of the invention the tear strip has a plurality of holes throughout and step (c) is carried out under conditions which allow the first inner and second outer wax layers to melt together and form a firm connection through the holes of the tear strip.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 a is perspective side view of a triangular cheese portion covered with a first inner wax layer which is surrounded on its side walls with a preferred tear strip having a plurality of holes and one protruding tear strip portion;
  • FIG. 1 b is a perspective side view of the embodiment of FIG. 1 a which is covered with a second outer wax layer;
  • FIG. 1 c is a perspective side view of the embodiment of FIG. 1 b which is opened at two sides after tearing the tear strip;
  • FIGS. 2 a to 2 c are perspective side views of another embodiment corresponding to FIG. 1 a to 1 c with a preferred tear strip on the two elongated side walls of the cheese portion having a plurality of holes and one protruding tear strip portion;
  • FIGS. 3 a to 3 c are perspective side views of another embodiment of the present invention with a preferred tear strip on top and on one elongated side wall of the processed cheese portion having a plurality of holes and one protruding tear strip portion.
  • DETAILED DESCRIPTION OF THE INVENTION
  • The present invention relates to cheese and a new packaging system which is useful for packaging cheese. The key advantage of this new packaging system is the avoidance of carrying out the entire packaging process under the strict environmental conditions required to extend shelf life.
  • The cheese portions are simply covered under those strict environmental conditions with one preferably uncolored wax layer and all of the remaining packaging steps, i.e., fixing the tear strip onto the first inner wax layer and applying the second outer wax layer, can then be effected under less strict environmental conditions, which is most advantageous.
  • Preferred embodiments of the invention will now be explained with respect to the drawings.
  • The cheese may be any known type of cheese, e.g., natural cheese, processed cheese or cream or fresh cheese. Preferably it is processed cheese.
  • As mentioned above, the cheese portion to be packaged can have any desired form but is preferably triangular.
  • FIG. 1 a shows in a perspective view a cheese portion 5 which is covered with a first inner wax layer 1 and which is surrounded on all of its three side walls with a tear strip 2 which has a portion 3 which protrudes from the tip of the cheese portion 5 and which has as a preferred embodiment a plurality of holes 6 along its length. The tear strip 2 has been fixed onto the first inner wax layer 1 by means of an adhesive.
  • FIG. 1 b shows the embodiment of FIG. 1 a which has been covered with a second outer wax layer 4. The application of the second outer wax layer 4 is carried out under conditions which lead to a melting together of the two wax layers 1, 4 so that they can easily be separated from the cheese portion 5. The two wax layers 1, 4 also melt together through the holes 6 of the tear strip 2 so that the tear strip is firmly embedded between the two wax layers 1,4. This allows an accurate opening of the outer wax layer 4 along the lines of the tear strip 2. The same applies to the first inner wax layer 1 which firmly adheres to the tear strip 2 by means of the adhesive with which it has been fixed onto the first inner wax layer 1 and by means of the holes 6 of the tear strip 2 through which the two wax layers 1, 4 have been melted together. As mentioned above, the holes in the tear strip relate to a preferred embodiment of the invention, and are not necessary to carry out the invention. Normally, the adhesive layer on the tear strip is sufficient to form a firm connection to the first inner wax layer 1.
  • FIG. 1 c shows the same embodiment which has been opened by tearing away the tear strip 2 from two sides of the triangular cheese portions. It can be seen that the inner side of the tear strip 2 is covered with the first inner wax layer 1 which has been torn away from the cheese portion 5 and the tear strip 2 can be easily and completely separated by further tearing the tear strip 2 from the third side wall of the cheese portion 5. Finally, the top and the bottom comprising the second outer wax layer 4 and the attached first inner wax to layer 1 can then easily be separated, and the cheese portion 5 is ready for consumption.
  • If the tear strip 2 has holes, the second outer wax layer 4 is applied under conditions which lead to a melting together of the first inner wax layer 1 and the second outer wax layer 4 and the melting together also takes place through the hole of the tear strip 2, so that the tear strip 2 is firmly fixed between the first inner and second outer wax layers 1, 4, so that the tearing away of the tear strip 2 takes with it the corresponding parts of the first inner wax layer 1 and the second outer way layer 4.
  • After detaching the top and bottom portions of the second outer wax layer 4 to which the first inner wax layer 1 firmly adheres, the cheese portion 5 is ready for consumption.
  • A similar embodiment is shown in a perspective view in FIGS. 2 a to 2 c. The tear strip 2 is fixed only to the two elongated aide walls of the cheese portion 5 covered with the first inner wax layer 1 but it has one protruding tear strip portion so that it can be opened by pulling the tear strip portion 3 towards and around the tip of the cheese portion 5. Then, the top and bottom portions of the outer wax layer 4 can be opened and the cheese portion 5 is ready for consumption.
  • A further preferred embodiment of the invention is shown in FIGS. 3 a to 3 c. Here, the top and one side wall of the cheese portion 5 are covered with the tear strip 2 which, again, has in a preferred embodiment a plurality of holes 6 throughout and one protruding portion 3.
  • The situation after tearing away tear strip 2 is shown in FIG. 3 c. The top portion of the cheese portion 2 and one of the elongated side walls are separated from the package and the cheese portion 5 can be taken out of the package and consumed.
  • The process for packaging cheese according to a preferred embodiment of the present invention will now be illustrated in more detail. The process will be described with respect to process cheese. However, as mentioned above, the invention may be useful for any type of cheese.
  • As a separate first production step hot and liquid process cheese is filled into casings and cooled down. These casings with process cheese can be stored for several days before proceeding with the following production steps.
  • After removal of the casing the firm process cheese sausage is cut into slices (preferably round) and each slice is cut into portions 5 (preferably six portions 5 that are generally triangularly shaped). Due to this cutting operation the preferred triangle portion 5 consists of 2 straight sides and 1 rounded side. After the cutting these cheese portions 5 are placed separately on a conveyor belt. Automatically by transporting on belts and rolls the portions pass a waxing station. The wax is hot and liquid and will cover the portions 5 completely (preferably the wax is sprayed onto the top and bottom of the portion 5) with a thin first inner wax layer 1 which might be optionally colored. These production steps from the removal of the casing through application of the first wax layer 1 are preferably conducted in a clean room environment. After these production steps it is possible to take out the waxed process cheese portions and store the portions (preferably under refrigeration) for several days.
  • The following steps can be done without clean room conditions. The pre-waxed process cheese portions, either from the storage or directly coming out of the first waxing step, pass a label applicator which adds self-adhesive labels with or without holes onto the first inner wax layer 1. Some options how to apply the label are set forth below. Other label shapes and label positioning on the first inner layer wax 1 are possible.
  • Option 1: the self adhesive label is a rectangular elongated tear strip 2 with or without holes 6 which is applied onto the two sides of the first inner wax layer 1 with a protruding portion 3 (opening handle) on the tip of the portion 5 (FIGS. 1 a-e).
  • Option 2: the self adhesive label is a rectangular elongated tear strip 2 with or without holes 6 which is applied to the two long sides of the first inner wax layer 1 with a protruding portion 3 close to the round side of the portion 5 (FIGS. 2 a-c).
  • Option 3: the self adhesive label, generally triangularly shaped with or without holes 6 is applied to the top side and to one of the long sides of the first inner wax layer 1. The protruding portion 3 is positioned at a corner of the round side of the portion 5 (FIGS. 3 a-c).
  • After the label placement onto the process cheese portion, the portion automatically by transporting on belts and rolls passes a second waxing station. This wax is also hot and liquid and will cover the portions completely (preferably the wax is sprayed onto the top and bottom of the portion) with a thin second outer layer 4 which might be optionally colored. The self adhesive label is designed such that a part of the label is a protruding portion 3 standing away from the process cheese portion and this part is foreseen to be used as the opening handle.
  • After cooling each waxed process cheese portion can be further packed. Potential options of packing are wrapping, netting, flow packing or packing into other packaging. The preferred option is wrapping into a thin pre-printed plastic film with an automatic wrapping machine.
  • The present invention will now be illustrated by a specific example which is not intended to limit the scope of the invention.
  • EXAMPLE
  • Process cheese is filled into sausage casings of approximately 1 meter length and 98 mm diameter. After cooling, the sausage casing is removed and cheese slices with a thickness of approximately 14 mm are cut. Six process cheese portions are cut out of each round slice with a diameter of 98 mm. The dimension of one generally triangular cheese portion 5 equals a segment with a 49 mm radius, an angle of 60 degrees and a height of 14 mm. The weight per triangle is approx. 20 g. The weight of six pieces is 120 g. Each triangle passes a wax bath (white wax, at about 85° C.) where the first transparent inner wax layer 1 is added. This wax is a blend of hydrocarbon based waxes and plastics. The triangle portion 5 is moving forward on rolls and the wax is sprayed from the top and from the bottom side to ensure that it is completely covered by wax. Approximately 1.5 grams of wax (about 0.1-0.2 mm thickness) is added. These operations are done in a clean room (according to class 10.000 US Fed. Standard 209 D).
  • The following operations are then done at “normal environmental conditions”. After the wax bath the triangle portion 5 is cooled down to temperatures of about 20 degrees C. by passing a cooling cell (cold air circulation). Each portion 5 is maintained (by belts) in a defined horizontal direction on the conveyor belt. One side of the triangle is in the direction of the tear strip applicator. The tear strip applicator (standard equipment, PAGO company) applies a self adhesive tear strip 2 which is made of polypropylene and coated with an adhesive layer. The rectangular tear strip 2 (preferred embodiment) contains holes 6 (preferably round, but any other shape is possible). With the aid of the adhesive one side of the tear strip 2 is fixed on the inner wax layer 1. By passing a roll, the other side of the label is pressed onto the inner wax layer 1. The tear strip 2 is added according to FIG. 2 with one protruding portion 3 (opening handle). Each triangle then passes a second wax bath (blue wax, about 75° C.) where a second outer wax layer 4 is added. This wax is a blend of hydrocarbon based waxes, plastics and blue pigments. Approximately 3.0 grams of blue wax (about 0.2-0.4 mm thickness) is added. The portion 5 moves forward on rolls and the wax is sprayed from the top and from the bottom to ensure that the portion is completely covered by wax. As the tear strip 2 contains holes the second outer wax layer 4 is partially melting the first inner wax layer 1 in the area of the holes. This results in good removal of the two wax layers 1, 4 by pulling off the tear strip 2. After the wax bath the generally triangular portions 5 are kept refrigerated (at about 4° C.) before they will be ready for adding a secondary packaging (e.g., a cellophane wrapper).

Claims (28)

1. Wax-coated cheese, comprising:
(a) a cheese portion;
(b) a first inner wax layer covering said cheese portion;
(c) a second outer wax layer covering said first inner wax layer; and
(d) a tear strip between said first inner and second outer wax layers covering selected parts of said first inner wax layer and comprising at least one portion which protrudes from said first inner and second outer wax layers and comprising an adhesive layer for adhering said tear strip to said first inner wax layer.
2. The wax-coated cheese according to claim 1, wherein said tear strip comprises a plurality of holes throughout, through which said first inner and second outer wax layers are firmly connected.
3. The wax-coated cheese according to claim 2, wherein the cheese is processed cheese.
4. The wax-coated cheese according to claim 3, wherein said first inner wax layer is uncolored.
5. The wax-coated cheese according to claim 4, wherein said second outer wax layer is colored.
6. The wax-coated cheese according to claim 5, wherein said cheese portion has a generally triangular form.
7. The wax-coated cheese according to claim 6, wherein said tear strip is provided on three side walls of said cheese portion and has one protruding portion.
8. The wax-coated cheese according to claim 6, wherein said tear strip is provided at two elongated side walls of said cheese portion and has one protruding portion.
9. The wax-coated cheese according to claim 6, wherein said tear strip is provided at two elongated side walls of said cheese portion and has two protruding portions.
10. The wax-coated cheese according to claim 6, wherein the tear strip is provided at the top and at one elongated sidewall of the processed cheese portion and has one protruding portion.
11. A packaging system for packaging a cheese portion, comprising:
(a) a first inner wax layer covering said cheese portion;
(b) a second outer wax layer covering said first inner wax layer; and
(c) a tear strip between said first inner and second outer wax layers covering selected parts of said first inner wax layers and comprising at least one portion which protrudes from said first inner and second outer wax layers, and comprising an adhesive layer for adhering said tear strip to said first inner wax layer.
12. The packaging system according to claim 11, wherein said tear strip comprises a plurality of holes throughout, through which said first inner and second outer wax layers are firmly connected.
13. The packaging system according to claim 11 for packaging processed cheese.
14. The packaging system according to claim 11, wherein said first inner wax layer is uncolored.
15. The packaging system according to claim 14, wherein said outer wax layer is colored.
16. The packaging system according to claim 13, wherein said packaging system has a triangular form.
17. The packaging system according to claim 16, wherein said tear strip is provided on three side walls of processed cheese portion and has one protruding portion.
18. The packaging system according to claim 13, wherein said tear strip is provided on two elongated side walls of processed cheese portion and has one or two protruding portions.
19. The packaging system according to claim 16, wherein said tear strip is provided on the top and at one elongated side wall of processed cheese portion and has one protruding portion.
20. A process for packaging a cheese portion, comprising the steps of:
(a) providing a cheese portion with a first inner wax layer;
(b) placing a tear strip over selected parts of said first inner wax layer, wherein said tear strip comprises at least one portion which protrudes from said first inner wax layer and wherein said tear strip has an adhesive layer for adhering said tear strip to said first inner wax layer; and
(c) applying a second outer wax layer onto said first inner wax layer and said tear strip.
21. The process according to claim 20, wherein said tear strip has a plurality of holes throughout, and wherein step (c) is carried out under conditions which allow said first inner and second outer wax layers to melt together and form a firm connection through said holes of said tear strip.
22. The process according to claim 21, wherein said cheese portion is a processed cheese portion.
23. The process according to claim 20, wherein said first inner wax layer is uncolored.
24. The process according to claim 23, wherein said second outer wax layer is colored.
25. The process according to claim 22, wherein said processed cheese portion has a triangular form.
26. The process according to claim 25, wherein said tear strip is provided on three side walls of said processed cheese portion and has one protruding portion.
27. The process according to claim 25, wherein said tear strip is provided on two elongated side walls of said processed cheese portion and has one or two protruding portions.
28. The process according to claim 25, wherein said tear strip is provided on the top and at one elongated side wall of the processed cheese portion and has one protruding portion.
US11/013,631 2003-12-19 2004-12-16 Wax-coated cheese Abandoned US20050158442A1 (en)

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EP03029259A EP1543727B1 (en) 2003-12-19 2003-12-19 Wax-coated cheese

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EP (1) EP1543727B1 (en)
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KR (1) KR20050062419A (en)
CN (1) CN100521924C (en)
AR (1) AR047283A1 (en)
AT (1) ATE357145T1 (en)
AU (1) AU2004240150B2 (en)
BR (1) BRPI0405772B1 (en)
CA (1) CA2490161C (en)
DE (1) DE60312706T2 (en)
DK (1) DK1543727T3 (en)
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US10842707B2 (en) 2012-11-16 2020-11-24 Kci Licensing, Inc. Medical drape with pattern adhesive layers and method of manufacturing same
US10849792B2 (en) 2013-10-30 2020-12-01 Kci Licensing, Inc. Absorbent conduit and system
US10940047B2 (en) 2011-12-16 2021-03-09 Kci Licensing, Inc. Sealing systems and methods employing a hybrid switchable drape
US10940046B2 (en) 2013-10-30 2021-03-09 Kci Licensing, Inc. Dressing with sealing and retention interface
US10945889B2 (en) 2011-12-16 2021-03-16 Kci Licensing, Inc. Releasable medical drapes
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US10973694B2 (en) 2015-09-17 2021-04-13 Kci Licensing, Inc. Hybrid silicone and acrylic adhesive cover for use with wound treatment
US11020516B2 (en) 2008-03-05 2021-06-01 Kci Licensing, Inc. Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site
US11026844B2 (en) 2014-03-03 2021-06-08 Kci Licensing, Inc. Low profile flexible pressure transmission conduit
US11096830B2 (en) 2015-09-01 2021-08-24 Kci Licensing, Inc. Dressing with increased apposition force
USD933932S1 (en) 2019-08-12 2021-10-26 Claire Marie Eickholt Coated cooked whole egg
US11154650B2 (en) 2013-10-30 2021-10-26 Kci Licensing, Inc. Condensate absorbing and dissipating system
US11178845B2 (en) * 2018-03-13 2021-11-23 Frieslandcampina Nederland B.V. Cheese ripening
US11246975B2 (en) 2015-05-08 2022-02-15 Kci Licensing, Inc. Low acuity dressing with integral pump
US11400204B2 (en) 2010-03-16 2022-08-02 Kci Licensing, Inc. Delivery-and-fluid-storage bridges for use with reduced-pressure systems

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US11020516B2 (en) 2008-03-05 2021-06-01 Kci Licensing, Inc. Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site
US11400204B2 (en) 2010-03-16 2022-08-02 Kci Licensing, Inc. Delivery-and-fluid-storage bridges for use with reduced-pressure systems
US10321658B2 (en) 2010-08-25 2019-06-18 Hochland Se Device for producing processed cheese portions
US10940047B2 (en) 2011-12-16 2021-03-09 Kci Licensing, Inc. Sealing systems and methods employing a hybrid switchable drape
US10945889B2 (en) 2011-12-16 2021-03-16 Kci Licensing, Inc. Releasable medical drapes
US11839529B2 (en) 2012-11-16 2023-12-12 Kci Licensing, Inc. Medical drape with pattern adhesive layers and method of manufacturing same
US10842707B2 (en) 2012-11-16 2020-11-24 Kci Licensing, Inc. Medical drape with pattern adhesive layers and method of manufacturing same
US11395785B2 (en) 2012-11-16 2022-07-26 Kci Licensing, Inc. Medical drape with pattern adhesive layers and method of manufacturing same
US10946124B2 (en) 2013-10-28 2021-03-16 Kci Licensing, Inc. Hybrid sealing tape
US10940046B2 (en) 2013-10-30 2021-03-09 Kci Licensing, Inc. Dressing with sealing and retention interface
US10967109B2 (en) * 2013-10-30 2021-04-06 Kci Licensing, Inc. Dressing with differentially sized perforations
US11793923B2 (en) 2013-10-30 2023-10-24 Kci Licensing, Inc. Dressing with differentially sized perforations
US11744740B2 (en) 2013-10-30 2023-09-05 Kci Licensing, Inc. Dressing with sealing and retention interface
US11154650B2 (en) 2013-10-30 2021-10-26 Kci Licensing, Inc. Condensate absorbing and dissipating system
US10849792B2 (en) 2013-10-30 2020-12-01 Kci Licensing, Inc. Absorbent conduit and system
US11026844B2 (en) 2014-03-03 2021-06-08 Kci Licensing, Inc. Low profile flexible pressure transmission conduit
US11246975B2 (en) 2015-05-08 2022-02-15 Kci Licensing, Inc. Low acuity dressing with integral pump
US11096830B2 (en) 2015-09-01 2021-08-24 Kci Licensing, Inc. Dressing with increased apposition force
US10973694B2 (en) 2015-09-17 2021-04-13 Kci Licensing, Inc. Hybrid silicone and acrylic adhesive cover for use with wound treatment
US11178845B2 (en) * 2018-03-13 2021-11-23 Frieslandcampina Nederland B.V. Cheese ripening
US11369120B2 (en) 2019-04-22 2022-06-28 David P. J. Eickholt Coated shell-less cooked egg product and method
WO2020219326A1 (en) * 2019-04-22 2020-10-29 Eickholt David P J Coated shell-less cooked egg product and method
USD933932S1 (en) 2019-08-12 2021-10-26 Claire Marie Eickholt Coated cooked whole egg

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RU2004137056A (en) 2006-06-20
AR047283A1 (en) 2006-01-11
CN100521924C (en) 2009-08-05
ATE357145T1 (en) 2007-04-15
MXPA04012900A (en) 2005-08-19
CN1640245A (en) 2005-07-20
TW200529761A (en) 2005-09-16
NZ536776A (en) 2006-10-27
PL212069B1 (en) 2012-08-31
CA2490161A1 (en) 2005-06-19
AU2004240150A1 (en) 2005-07-07
EP1543727A1 (en) 2005-06-22
SG113031A1 (en) 2005-07-28
PL371777A1 (en) 2005-06-27
JP2005176838A (en) 2005-07-07
DE60312706D1 (en) 2007-05-03
BRPI0405772A (en) 2005-08-09
JP4456994B2 (en) 2010-04-28
ES2283709T3 (en) 2007-11-01
NO20045053L (en) 2005-06-20
DK1543727T3 (en) 2007-06-25
BRPI0405772B1 (en) 2014-09-02
CA2490161C (en) 2011-03-22
AU2004240150B2 (en) 2010-03-04
DE60312706T2 (en) 2007-12-06
EP1543727B1 (en) 2007-03-21
RU2360425C2 (en) 2009-07-10
KR20050062419A (en) 2005-06-23

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:WESTERMANN, WERNER;KEMPTER, KLAUS;RUPP, LUDWIG;REEL/FRAME:015978/0905;SIGNING DATES FROM 20050309 TO 20050317

STCB Information on status: application discontinuation

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