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WO1991000835A1 - Barquette pour emballages destines a la vente de produits alimentaires - Google Patents

Barquette pour emballages destines a la vente de produits alimentaires Download PDF

Info

Publication number
WO1991000835A1
WO1991000835A1 PCT/DE1990/000132 DE9000132W WO9100835A1 WO 1991000835 A1 WO1991000835 A1 WO 1991000835A1 DE 9000132 W DE9000132 W DE 9000132W WO 9100835 A1 WO9100835 A1 WO 9100835A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
shell
shell according
dish
food
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.)
Ceased
Application number
PCT/DE1990/000132
Other languages
German (de)
English (en)
Inventor
Reinhold Pietrek
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.)
REINHOLD PIETREK GmbH
Original Assignee
REINHOLD PIETREK GmbH
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
Application filed by REINHOLD PIETREK GmbH filed Critical REINHOLD PIETREK GmbH
Priority to DE9090903774T priority Critical patent/DE59001138D1/de
Priority to AT90903774T priority patent/ATE87580T1/de
Publication of WO1991000835A1 publication Critical patent/WO1991000835A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids

Definitions

  • the invention relates to a tray for food sales packages, e.g. B. fresh meat or fruit, with a bottom and a peripheral edge and with an absorbent layer on the floor made of food-hygienic cellulose tissue.
  • the shell of the type mentioned consists of closed-cell plastic foam, for. B. Styrofoam (registered trademark), the absorbent layer of cellulose tissue is placed on its bottom without a separate connection. After filling with a food that is placed on the absorbent layer, a thin, stretchable film is generally placed over the food and, for example, welded below, under the floor. This film holds the absorbent layer in place.
  • the function of the absorbent layer is to absorb and retain moisture originating from the foodstuff, so that, for example, when fresh meat or fruit is packaged, it does not happen that liquid can (visibly) accumulate on the top of the waterproof floor. Since the absorbent layer is in direct contact with the food, it must be made from a food-hygienic material.
  • coated boxes are known as trays for the use of sales packages. They are not absorbent; metal foils, in particular aluminum foils, are often used as the coating. Under these circumstances, there is no problem with disposal.
  • the object of the invention is to provide a shell for sales packages which, on the one hand, can be disposed of, in particular burned, without environmental problems, and, on the other hand, maintains its mechanical stability even when there is a large amount of moisture from the packaged food and can finally be produced at low cost is.
  • the shell of the type mentioned at the outset in that it is composed of three layers, namely a lower, shaping layer of fibrous material forming the outer surface, in particular wood pulp, paper or semi-pulp and preferably cardboard, one as thin as possible intermediate layer made of a fat-tight, water-repellent material, for.
  • the lower, shaping layer is both protected from moisture and hygienically separated by the intermediate layer.
  • the lower layer can therefore be made of relatively inexpensive, not hygienically pretreated
  • fiber material for example waste paper can be used. Due to the intermediate layer, the product to be packaged does not come into contact with the lower, load-bearing layer, so that the latter can only be designed for optimum carrying properties and dimensional stability with the least possible use of material, without taking into account weakening stability in the event of moisture penetration or demands on the the sterility of the material required for food must be provided.
  • the intermediate layer is made as thin as possible, it has no mechanical tasks to perform, so that it can be designed entirely with regard to its blocking effect on fat and water on the one hand and germs on the other hand.
  • the intermediate layer should be stretchable, so that no cracks or perforations occur when the shell is deformed, as occurs in handling, for example during the purchase, when inserted into a sales car, etc.
  • the shell can be embossed from the three-layer blank without this problem giving rise to sealing problems.
  • the upper cellulose tissue film which comes into contact with the packaged food, on the one hand conveys a visually appealing image of the inner surface that is generally visible when purchased. It is dimensioned sufficiently in its thickness that the amounts of liquid obtained in the typical foods to be packaged can be safely absorbed.
  • the layer of cellulose tissue consists of long-fiber, glued cellulose (airlight tissue) which is bleached using the dry process. Such material is also used for paper handkerchiefs, napkins and the like.
  • This upper layer is preferably embossed, for example by fine embossing, so that the food comes into contact with the surface only in places.
  • the tray according to the invention created from a three-layer blank, can be disposed of without any problems.
  • the two outer layers, the upper and the lower layer, are made of natural products and can therefore be removed without damaging the environment.
  • the intermediate layer is thin on the one hand so that it is not very important in terms of volume, on the other hand on the one hand, it can be made of a material, for example polyethylene, which enables environmentally friendly disposal. As a result, the entire shell is inexpensive to dispose of.
  • Rails for sales packages of the type in question are basically only suitable for single use. Multiple use stands in the way of the high effort required for a food hygiene-perfect cleaning and restoration of the upper layer which comes into contact with food. This applies generally to all of the shells described here.
  • the lower layer is significantly thicker than the other two layers.
  • the thickness of the intermediate layer is generally less than 10 micrometers, the material thickness of the layer of cellulose tissue is usually between 20 and 200 micrometers and is only somewhat thicker for special applications, namely foods to be packaged with a high volume of liquid.
  • the thickness of the lower layer is typically several tenths of a millimeter.
  • the base consists of over 50%, preferably up to 100%, of waste paper. Waste paper is produced in relatively large quantities. Its lower quality compared to fresh material can be compensated for by greater material thickness of the lower layer, sufficient binder addition, etc. The invention thus opens up a new area of application for refurbished waste paper.
  • the adjacent layers are either glued to one another, preference being given to point gluing, or connected to one another by embossing. Sufficient cohesion of the three layers is achieved in each case. A sufficient cohesion is a connection of the layers, in which they do not separate independently from one another during normal use of the shell, at most gently diverge at the common edge. This means that, in the shell according to the invention, generally two adjacent layers can be separated from one another with suitable aids without the two layers losing their function, in particular being damaged. Embossing has the advantage that no additional adhesive is required. In the case of point gluing, the amount of glue to be used is as small as possible. A material that has no environmentally harmful properties is used as the adhesive.
  • the three layers are first connected to one another and the blanks for the shells are punched out from the web-like material thus obtained, which can be wound up in roll form.
  • the shells are produced from these blanks in a manner known per se either by embossing or by folding up the edges and gluing or plug-in connections of tabs provided on the edges.
  • the lower layer forms the entire outer surface of the shell
  • the inner layer made of cellulose tissue forms the entire inner surface.
  • the layer structure can only be seen on the cut edges of the blank.
  • the intermediate layer is practically invisible, at best only to be recognized by the punched edges (cut edges).
  • a closed container can be produced from two shells according to the invention, which are integrally connected with one another and can be moved around an articulated area between an open and a closed position.
  • Such containers can replace sales packs in the fast food sector, which at the moment consist practically exclusively of foam.
  • FIG. 2 shows the detail II of FIG. 1 in a significantly enlarged representation and - 6 -
  • FIG. 3 shows a representation corresponding to FIG. 2 of a second exemplary embodiment
  • FIG. 1 shows a shell, known in one piece, from a blank and of known shape, which according to the invention is produced in a three-layer structure, as can be seen from FIG. 2.
  • a lower layer 20 with its outer surface visible downward, forms an outer surface of the shell.
  • This layer is constructed from the cheapest possible fiber material so that it determines the stability of the entire shell.
  • a fibrous material for example wood pulp, paper or semi-pulp, wrapping paper or cardboard, is used as the fiber material, generally papers containing wood pulp or waste paper. Natural materials are preferred, although synthetic fibers can also be used.
  • the adhesives known for pulp and in the paper industry, in particular resins, are used for sizing.
  • the thickness of the lower layer 20 is a few tenths of a millimeter and is selected in coordination with the material properties, the size and the load-bearing capacity of the shell.
  • the lower layer can also consist of corrugated cardboard.
  • an intermediate layer 24 and an upper layer 26 are connected to one another as a preliminary product.
  • the top layer 26 consists of fluffy paper, a so-called air light tissue, as is known as tissue, tissue and napkin paper made of cellulose. Long-fiber pulp is used, which gives the upper layer 26 a matt appearance.
  • the thickness of the top layer 26 is typically between 20 and 200 microns.
  • the upper layer 26 is made of hygienically perfect material (cellulose and adhesive), it comes into contact with the food to be packaged during practical use of the tray according to the invention. Their absorbency is such that the amounts of liquid typically obtained in the packaged food can be sucked up safely and without problems.
  • the intermediate layer acts as a barrier layer between the upper layer 26 and the lower layer 20, it is neither fat nor water nor germs let through. Like the other layers, the material is selected so that environmentally friendly disposal of the entire shell is possible. Although it is fundamentally possible to produce the three-layer web from which the blanks for the shell are made from three individual, separate layers in one operation, it is preferred to first change the intermediate layer, preferably with the upper layer 26, in a modified one (Not shown here) but also to be connected first to the lower layer 20 and then to glue on the missing layer or to connect it to the created double layer by embossing.
  • a very thin polyethylene film is interposed on one side of a web of smooth cellulose tissue as the intermediate layer 24.
  • the double layer created in this way is mechanically embossed, as can be seen from FIG. 2.
  • an embossing is not necessary, it can also be omitted.
  • an adhesive is applied point by point to the outer surface of the intermediate film (or alternatively to the top of the lower layer 20) and the three layers 20, 24, 26 are thereby connected to one another. It has proven to be advantageous to connect the intermediate layer 24 so permanently to the upper layer 26 of cellulose tissue that it is possible to separate the two layers, but it is basically difficult to accomplish.
  • connection (corresponding to the exemplary embodiment shown) between this two-layer structure 24, 26 and the lower layer 20 is only so weak that no separation occurs during normal handling. This saves glue, which on the one hand leads to a cost reduction, but on the other hand also leads to fewer problems in waste disposal.
  • the lower layer 20 is also designed with regard to optimal thermal insulation; corrugated cardboard, for example, which offers good thermal insulation due to the high, stored air volume, is suitable here.
  • the upper layer 26 is covered by a thin, water-permeable and moisture-repellent covering 28 in the form of a PE or latex film (or a film made of a suitable other material).
  • the thickness of this pad 28 is between five and twenty microns.
  • the pad 28 avoids direct contact of the food with the absorbent material of the upper layer, it prevents it from sticking to it or entraining fibers when food is removed therefrom.
  • the absorbency of the upper layer 26 is retained due to the water permeability of the layer 28.
  • the permeability of the support 28 is matched to the respective product to be packaged in such a way that no amount of liquid can accumulate on the support 28. Rather, the product always remains dry on the pad 28.
  • the pad 28 is water-repellent and not swelling itself, and has as little liability as possible to the products to be packaged. This ensures that the product to be packaged does not stick to the support.
  • the support 28 is preferably shaped, for example with a micro-corrugation, which can also be designed crosswise or with small projections (see Figure 3). This will make the Contact area with the product to be packaged is reduced and extensive contact of the product to be packaged with the support 28 is avoided, so that small openings 30 or micro-grooves for the drainage of liquid always remain free.
  • the overlay can be applied as a perforated PE film to the upper layer 26 in a suitable manner, for example glued, embossed or the like.
  • latex is sprayed onto the top layer 26 so that the layer obtained adheres and is still permeable (perforated).
  • a PE film can be applied to the top layer 26 through a slot die, and the water permeability is brought about by suitable additives in the film which spring open after the casting process.
  • the openings 30 in the support 28 are so small that they cannot be seen by the eye.
  • the openings 30 can be formed by needle perforation, as capillary openings, as micro-slits, through the molding or the like. A larger education is not excluded.
  • the layers 20, 24, 26 and the support 28 are connected to one another over the entire area.
  • cellulose tissue is understood to mean a fibrous layer of cellulose.
  • the pulp can be long-fiber, such as in the case of napkins, but it can also be short-fiber, such as in the case of toilet paper.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
  • Laminated Bodies (AREA)
  • Table Devices Or Equipment (AREA)

Abstract

La barquette pour emballages destinés à la vente de produits alimentaires, p.ex. de viande fraîche ou de fruits, présente un fond et un rebord l'entourant, ainsi que, sur le fond, une couche absorbante en tissu de cellulose répondant aux exigences de l'hygiène alimentaire. La barquette est composée de trois couches (20, 24, 26), à savoir d'une couche inférieure donnant la forme (20) et constituant la surface externe en matériau fibreux, en particulier en pâte mécanique, pâte chimique ou mi-chimique et de préférence en carton, d'une couche intermédiaire (24) aussi mince que possible en un matériau hydrophobe et résistant à la graisse, p.ex. un film de polyéthylène ou de vernis, et d'une couche supérieure absorbante (26) en tissu de cellulose formant la surface interne.
PCT/DE1990/000132 1989-07-10 1990-02-26 Barquette pour emballages destines a la vente de produits alimentaires Ceased WO1991000835A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE9090903774T DE59001138D1 (de) 1989-07-10 1990-02-26 Schale fuer verkaufspackungen von nahrungsmitteln.
AT90903774T ATE87580T1 (de) 1989-07-10 1990-02-26 Schale fuer verkaufspackungen von nahrungsmitteln.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3922644A DE3922644A1 (de) 1989-07-10 1989-07-10 Schale fuer verkaufspackungen von nahrungsmitteln
DEP3922644.1 1989-07-10

Publications (1)

Publication Number Publication Date
WO1991000835A1 true WO1991000835A1 (fr) 1991-01-24

Family

ID=6384672

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1990/000132 Ceased WO1991000835A1 (fr) 1989-07-10 1990-02-26 Barquette pour emballages destines a la vente de produits alimentaires

Country Status (8)

Country Link
EP (1) EP0481996B1 (fr)
JP (1) JPH05500198A (fr)
AT (1) ATE87580T1 (fr)
CA (1) CA2064038A1 (fr)
DE (2) DE3922644A1 (fr)
DK (1) DK0481996T3 (fr)
ES (1) ES2041175T3 (fr)
WO (1) WO1991000835A1 (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993023240A3 (fr) * 1992-05-14 1994-05-11 Corps profiles a base de papier et leur procede de fabrication
FR2698041A1 (fr) * 1992-11-13 1994-05-20 Aussedat Rey Matériau d'emballage et emballage en faisant application.
DE4327669A1 (de) * 1993-08-17 1995-02-23 Jochen Dietrich Lebensmittelverpackung, Verfahren zur Herstellung einer sauerstoffdichten Verpackung, Vorrichtung zur Durchführung einer derartigen Verfahrens und dabei verwendende Schalenreihe
EP0673856A1 (fr) * 1994-03-16 1995-09-27 Enso-Gutzeit Oy Barquette support de produits alimentaires
FR2752814A1 (fr) * 1996-08-27 1998-03-06 Papcart Flan pour emballage et son procede de fabrication
WO1999010164A1 (fr) * 1997-08-26 1999-03-04 The Procter & Gamble Company Materiaux en feuille, absorbants, protecteurs et a usage multiple
US6979485B2 (en) 2000-10-02 2005-12-27 S.C. Johnson Home Storage, Inc. Processing substrate and/or support surface
US6986931B2 (en) 2000-10-02 2006-01-17 S.C. Johnson & Son, Inc. Disposable cutting sheet
US6991844B2 (en) 2000-10-02 2006-01-31 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7022395B2 (en) 2000-10-02 2006-04-04 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7026034B2 (en) 2003-02-11 2006-04-11 S.C. Johnson Home Storage, Inc. Processing substrate and method of manufacturing same
US7056569B2 (en) 2000-10-02 2006-06-06 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7063879B2 (en) 2000-10-02 2006-06-20 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7063880B2 (en) 2000-10-02 2006-06-20 S.C. Johnson Home Storage, Inc. Sheet material and manufacturing method and apparatus therefor
US7078088B2 (en) 2000-10-02 2006-07-18 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
WO2018195665A1 (fr) 2017-04-28 2018-11-01 Emery Silfurtun Inc. Plateau absorbant avec revêtement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2945280B1 (fr) * 2009-05-07 2013-08-02 Charal Emballage avec absorbeur d'exsudats

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2138558A1 (de) * 1970-08-06 1972-02-10 Sun Oil Co Verfahren zum Herstellen eines aus drei Schichten bestehenden Schichtstoffes
EP0046956A1 (fr) * 1980-08-30 1982-03-10 Hoechst Aktiengesellschaft Récipient d'emballage sous forme de plateau, comprenant un fond qui absorbe les liquides et son procédé de fabrication
EP0295943A2 (fr) * 1987-06-19 1988-12-21 Sekisui Jushi Kabushiki Kaisha Plat pour aliment
US4860887A (en) * 1988-07-22 1989-08-29 Fosse Daniel K Method of forming packaging and packaging structure in accordance with the method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB863095A (en) * 1958-04-28 1961-03-15 Armour & Co Improvements in or relating to the packaging of fresh meat and poultry

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2138558A1 (de) * 1970-08-06 1972-02-10 Sun Oil Co Verfahren zum Herstellen eines aus drei Schichten bestehenden Schichtstoffes
EP0046956A1 (fr) * 1980-08-30 1982-03-10 Hoechst Aktiengesellschaft Récipient d'emballage sous forme de plateau, comprenant un fond qui absorbe les liquides et son procédé de fabrication
EP0295943A2 (fr) * 1987-06-19 1988-12-21 Sekisui Jushi Kabushiki Kaisha Plat pour aliment
US4860887A (en) * 1988-07-22 1989-08-29 Fosse Daniel K Method of forming packaging and packaging structure in accordance with the method

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993023240A3 (fr) * 1992-05-14 1994-05-11 Corps profiles a base de papier et leur procede de fabrication
FR2698041A1 (fr) * 1992-11-13 1994-05-20 Aussedat Rey Matériau d'emballage et emballage en faisant application.
BE1007754A3 (fr) * 1992-11-13 1995-10-17 Aussedat Rey Sa Materiau d'emballage et emballage en faisant application.
DE4327669A1 (de) * 1993-08-17 1995-02-23 Jochen Dietrich Lebensmittelverpackung, Verfahren zur Herstellung einer sauerstoffdichten Verpackung, Vorrichtung zur Durchführung einer derartigen Verfahrens und dabei verwendende Schalenreihe
EP0673856A1 (fr) * 1994-03-16 1995-09-27 Enso-Gutzeit Oy Barquette support de produits alimentaires
FR2752814A1 (fr) * 1996-08-27 1998-03-06 Papcart Flan pour emballage et son procede de fabrication
WO1999010164A1 (fr) * 1997-08-26 1999-03-04 The Procter & Gamble Company Materiaux en feuille, absorbants, protecteurs et a usage multiple
US6986931B2 (en) 2000-10-02 2006-01-17 S.C. Johnson & Son, Inc. Disposable cutting sheet
US6979485B2 (en) 2000-10-02 2005-12-27 S.C. Johnson Home Storage, Inc. Processing substrate and/or support surface
US6991844B2 (en) 2000-10-02 2006-01-31 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7022395B2 (en) 2000-10-02 2006-04-04 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7056569B2 (en) 2000-10-02 2006-06-06 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7063879B2 (en) 2000-10-02 2006-06-20 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7063880B2 (en) 2000-10-02 2006-06-20 S.C. Johnson Home Storage, Inc. Sheet material and manufacturing method and apparatus therefor
US7078088B2 (en) 2000-10-02 2006-07-18 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7026034B2 (en) 2003-02-11 2006-04-11 S.C. Johnson Home Storage, Inc. Processing substrate and method of manufacturing same
WO2018195665A1 (fr) 2017-04-28 2018-11-01 Emery Silfurtun Inc. Plateau absorbant avec revêtement
CN110691741A (zh) * 2017-04-28 2020-01-14 埃默里·西尔弗顿公司 带涂层的可吸收托盘
EP3615452A4 (fr) * 2017-04-28 2020-12-30 Emery Silfurtun Inc. Plateau absorbant avec revêtement

Also Published As

Publication number Publication date
JPH05500198A (ja) 1993-01-21
DK0481996T3 (da) 1993-08-30
DE3922644A1 (de) 1991-01-17
DE59001138D1 (de) 1993-05-06
ATE87580T1 (de) 1993-04-15
EP0481996A1 (fr) 1992-04-29
CA2064038A1 (fr) 1991-01-11
ES2041175T3 (es) 1993-11-01
EP0481996B1 (fr) 1993-03-31

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