WO2017103629A1 - Emballage pour produit alimentaire - Google Patents

Emballage pour produit alimentaire Download PDF

Info

Publication number
WO2017103629A1
WO2017103629A1 PCT/GB2016/053995 GB2016053995W WO2017103629A1 WO 2017103629 A1 WO2017103629 A1 WO 2017103629A1 GB 2016053995 W GB2016053995 W GB 2016053995W WO 2017103629 A1 WO2017103629 A1 WO 2017103629A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
packaging
aperture
print
foodstuff
Prior art date
Application number
PCT/GB2016/053995
Other languages
English (en)
Inventor
Emma THOMAS
Colin Kelly
Sam CHITONGO
Original Assignee
Warburtons Ltd
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 Warburtons Ltd filed Critical Warburtons Ltd
Publication of WO2017103629A1 publication Critical patent/WO2017103629A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/54—Inspection openings or windows
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/12—Coating on the layer surface on paper layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/24—Organic non-macromolecular coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4023—Coloured on the layer surface, e.g. ink
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/75—Printability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging

Definitions

  • the present invention relates to a packaging for a foodstuff as well as methods of manufacture, methods for packaging a foodstuff and packaged foodstuffs comprising the packaging of the invention.
  • Packaging is designed with the purpose of enclosing and/or protecting products for distribution, storage sale and use. In respect of packaging for a foodstuff there is an added need to provide a barrier between a foodstuff and external microbes or other exogenous agents which could spoil or taint the foodstuff. Additionally packaging for foodstuffs can also help provide shelf-life extension of the foodstuff packaged therein and may be modified in order to control the atmosphere within the packaging.
  • packaging is typically designed to provide a packaged foodstuff with aesthetically pleasing properties desirable to consumers.
  • One way that this may be achieved is by providing packaging having a transparent window, allowing the product to be visualised by the consumer.
  • Packaging e.g. for a bread used in the art having a transparent window is exemplified in Figure 1 .
  • the packaging 10 is generally manufactured by a process in which there is provided a paper 14 that is printed with a scatter print design 15 prior to being coated with paraffin wax 13. A portion of the printed wax paper is then removed to form a window area 16. A separate plastic portion 1 1 is then provided and a scatter print design 15 added thereto.
  • lamination adhesive 12 is used to fix the separate printed plastic to the printed wax paper 13, 14 at the area where the portion has been removed to form a window area 16.
  • the methods for manufacturing packaging therefore typically involve a multi-step process with a necessity to prepare the printed wax paper and the printed plastic separately followed by fixing the printed wax paper to the printed plastic.
  • the present invention provides a packaging for a foodstuff comprising:
  • the print and/or ink layer is applied and/or printed in register across at least a portion of the at least one further layer and at least a portion of the aperture.
  • a packaging for a foodstuff comprising:
  • first layer and the second layer form a sandwich.
  • the present invention provides a packaging for a foodstuff obtainable (e.g. obtained) by a method of the invention.
  • a method for packaging a foodstuff comprising contacting a foodstuff with the packaging of the invention, or obtainable by a method of the invention.
  • the invention provides a packaged foodstuff comprising the packaging of the invention or the packaging obtainable (e.g. obtained) by a method of the invention.
  • a packaging for a foodstuff which comprises a first layer, a second layer, at least one further layer sandwiched between the first layer and second layer comprising an aperture and a print and/or ink layer applied and/or printed in register across at least a portion of the at least one further layer and at least a portion of the aperture.
  • the present invention provides a packaging for a foodstuff 20 comprising: a. a first layer 21 ;
  • At least one further layer 23 sandwiched between the first layer 21 and second layer 26, wherein the at least one further layer 23 comprises an aperture 24; and d. a print and/or ink layer 25 sandwiched between the second layer 26 and the at least one further layer 23;
  • print and/or ink layer 25 is applied and/or printed in register across at least a portion of the at least one further layer 23 and the aperture 24.
  • a first layer according to the invention may be located on the inside of a packaging for a foodstuff when in use.
  • the first layer may provide a barrier (e.g. a barrier to food spoilage microbes and/or other undesirable microorganisms and/or agents), optionally in combination with a second layer and/or one or more further layers.
  • a second layer according to the invention may be located on the outside of a food packaging for a foodstuff when in use.
  • the second layer may provide a barrier (e.g. a barrier to food spoilage microbes and/or other undesirable microorganisms and/or agents), optionally in combination with a first layer and/or one or more further layers.
  • the at least one further layer in accordance with the invention is sandwiched between the first and second layer.
  • first and second layer in reference to a layer of the invention means that the layer is located between the first and second layer. In one embodiment this means that the first and second layers are substantially continuous along the entire length of the layer. In no way is this meant to exclude the housing of one or more additional layers between the first and second layer.
  • the term "at least one further layer is sandwiched between the first and second layer” means that the at least one further layer is located between the first and second layer. In one embodiment this means that the first and second layer are substantially continuous along the entire length of the at least one further layer including the aperture of the at least one further layer. In no way is this meant to exclude the housing of one or more additional layers between the first and second layer.
  • the term "substantially continuous” as used in this context means that the first layer and/or second layer are continuous along at least about 80%, 90% or 95% of the length of the at least one further layer including the aperture of the at least one further layer.
  • the term “substantially continuous” means that the first layer and/or second layer are continuous along at least about 99% of the length of the at least one further layer including the aperture of the at least one further layer.
  • the at least one further layer comprises an aperture.
  • aperture can refer to amongst other things, a hole or a channel comprised within the at least one further layer.
  • the formation of an "aperture” can be achieved using any method known to the person skilled in the art. For example, an “aperture” may be created by removing a portion of the at least one further layer to form an aperture. Additionally or alternatively, an “aperture” may be created by manufacturing the at least one further layer from two or more portions of the at least one further layer arranged on the same plane, e.g. two layers could be placed side-by-side, to form an aperture (e.g. in the form of a channel).
  • the aperture may be one or more selected from a hole or a channel.
  • the aperture may be a hole.
  • a hole may be a discontinuous portion of the at least one further layer extending perpendicularly to the first and/or second layer of the invention.
  • the aperture may be a channel.
  • a channel may be in any plane running parallel to the first and/or second layer of the invention.
  • An “aperture” may be a portion of at least one further layer may be a portion of the at least one further layer that is not in contact with the one or more further constituents of the packaging of the invention.
  • the one or more further constituent(s) may include, for example, a first layer, a second layer, a print and/or ink layer, an adhesive layer, one or more further layers or combinations thereof.
  • the aperture of the at least one further layer may span the whole length of the at least one further layer in a longitudinal and/or transverse plain.
  • the aperture of the at least one further layer may provide a window.
  • window refers to a portion of at least one further layer that has different optical properties to another portion of the at least one further layer.
  • a window may allow visualisation of a foodstuff comprised within the packaging of the invention when in use. Therefore, a window may be transparent.
  • a window as used herein is not limited to any particular shape. In some embodiments a window may span along the whole length of the at least one further layer in a longitudinal and/or transverse plain.
  • the "aperture" may make up less than about 50%, 30% or 15% of the surface area of the at least one further layer.
  • the aperture may make up less than about 10% or 5% of the at least one further layer.
  • the term "at least one further layer” may mean at least two further layers, at least three further layers or at least four further layers. In other embodiments the term “at least one further layer” may mean between about 1 to about 10 layers, suitably between about 1 to about 5 layers.
  • At least one further layer may mean one layer.
  • Suitably packaging for a foodstuff of the invention may comprise (or consist of) at least four layers.
  • Suitably packaging for a foodstuff of the invention may comprise (or consist of) at least five layers.
  • the packaging for a foodstuff according to the invention may comprise (or consist of) a first layer and at least one further layer (comprising an aperture) with an adhesive layer between the first layer and at least one further layer, a print and/or ink layer which is applied and/or printed on the at least one further layer and a second layer.
  • the print and/or ink layer may be a layer of print and/or ink applied to and/or printed on the surface of one or more of the other layers of the invention.
  • the ink used (e.g. for printing) is suitably food grade ink.
  • the print and/or ink layer may be applied to or printed on the at least one further layer.
  • the print and/or ink layer may be applied and/or printed in register across at least a portion of the at least one further layer and at least a portion of the aperture.
  • the print and/or ink layer may be printed onto at least one further layer and through the aperture.
  • the print and/or ink layer will be present on a layer immediately adjacent to (i.e. through) the aperture.
  • the print and/or ink layer will be present on at least a portion of the at least one further layer 23 and the adhesive layer 22.
  • the print and/or ink layer is (or has been) applied and/or printed in register through at least a portion of the aperture and on at least a portion of the at least one further layer, such that the print and/or ink layer is applied and/or printed in register across at least a portion of the at least one further layer, and at least a portion of the aperture.
  • the print and/or ink layer at the layer immediately adjacent to (i.e. through) the aperture is in register. Referring to the embodiment of Figure 2, the print and/or ink layer 25 at the at least one further layer 23, aperture 24, and adhesive layer 22 are in register.
  • the term "applied and/or printed in register across at least a portion of the at least one further layer and at least a portion of the aperture” as used herein means that the print and/or ink layer is present on a portion of the at least one further layer and the aperture.
  • the term “applied and/or printed in register” means that in manufacture the print and/or ink layer has been applied to the layers of the packaging (e.g. a portion of at least one further layer and the aperture) in one manufacturing step. In other words it is intended that this term does not extend to printing and/or applying a print and/or ink layer to one or more layer or one or more further layer of the invention separately prior to arranging such that the print and/or ink layer appears aligned.
  • the term "at least a portion of the aperture” may mean less than about 100%, 80% or 60% of the aperture of the at least one further layer. Suitably it may mean less than about 50%, 30% or 15% of the aperture of the at least one further layer. Suitably it may mean less than about 10% or 5% of the aperture of the at least one further layer.
  • the print and/or ink layer may be continuous or discontinuous.
  • continuous means that the print and/or ink layer is only applied to or printed on at least about 80% or about 90% (suitably 100%) of one or more layers of the invention.
  • discontinuous as used in this context means that the print and/or ink layer is only applied to or printed on less than about 80%, 50% or 20% of one or more layers of the invention.
  • the "one or more layers of the invention” may be selected from: a first layer, at least one further layer, an adhesive layer or combinations thereof.
  • the one or more layers may be selected from at least one further layer sandwiched between the first layer and second layer of the invention.
  • the print and/or ink layer may be discontinuous.
  • the print and/or ink layer may be discontinuous.
  • the at least one further layer and the print and/or ink layer may be sandwiched between the first layer and second layer of the invention.
  • the packaging for a foodstuff according to the invention may comprise (or consist of) a first layer, a second layer, at least one further layer, a print and/or ink layer and an adhesive layer.
  • the adhesive layer may comprise (or consist of) a lamination adhesive layer.
  • the lamination adhesive layer may be sandwiched between the first layer and at least one further layer.
  • the adhesive may be a glue.
  • the first layer, second layer and/or at least one further layer of the invention or for use in a method of the invention may comprise (or consist of) any suitable material for use in packaging of a foodstuff.
  • the first layer, second layer and/or at least one further layer may be made of a material capable of providing a barrier, e.g. a barrier to food spoilage microbes and/or other undesirable microorganisms and/or agents.
  • the first layer of the invention or for use in a method of the invention may comprise (or consist of) a plastic, a wax or combinations thereof.
  • the first layer of the invention or for use in a method of the invention may comprise (or consist of) a plastic.
  • the plastic may be one or more selected from the group consisting of: polyethylene terephthalate (PET), polyethylene (PE) and polypropylene (PP).
  • PET polyethylene terephthalate
  • PE polyethylene
  • PP polypropylene
  • the second layer of the invention or for use in a method of the invention may comprise (or consist of) a plastic, a wax or combinations thereof.
  • the second layer of the invention or for use in a method of the invention may comprise (or consist of) a wax.
  • the plastic may be one or more selected from the group consisting of: polyethylene terepthalate (PET), polyethylene (PE) and polypropylene (PP).
  • PET polyethylene terepthalate
  • PE polyethylene
  • PP polypropylene
  • the wax layer may be applied to the at least one further layer.
  • the at least one further layer may be a paper layer onto which the second wax layer may be applied.
  • at least about 3 gsm of wax may be applied to the at least one further layer (e.g. the at least one further paper layer).
  • at least about 5 gsm of wax more suitably at least about 7 gsm of wax may be applied. More suitably, about 10 gsm of wax may be applied.
  • the packaging of the invention may comprise a paper layer and a second wax layer.
  • the second wax layer may comprise at least about 3 gsm of wax.
  • the second wax layer may comprise at least about 5 gsm of wax, more suitably at least about 7 gsm of wax. More suitably, about 10 gsm of wax.
  • the wax can be any wax used in the art suitable for use in the packaging of a foodstuff.
  • a wax of the invention or for use in a method of the invention may be blended with one or more further polymers or resins commonly used in the art.
  • the wax may be a paraffin wax.
  • the at least one further layer of the invention or for use in a method of the invention may comprise (or consist of) paper.
  • the paper may be a paper of at least about 5 gsm or about 10 gsm. More suitably, the paper may be a paper of at least about 15 or about 20 gsm. Preferably the paper may be a paper of about 25 gsm.
  • the packaging for a foodstuff of the invention may comprise (or consist of): a first layer; an adhesive layer; at least one further layer comprising an aperture; a print and/or ink layer printed in register across at least a portion of the at least one further layer and at least a portion of the aperture; and a second layer.
  • the packaging for a foodstuff of the invention may comprise (or consist of): a first plastic layer; an adhesive layer; at least one further layer comprising an aperture; a print and/or ink layer printed in register across at least a portion of the at least one further layer and at least a portion of the aperture; and a second wax layer.
  • the packaging for a foodstuff of the invention may comprise (or consist of): a first polyethylene terephthalate (PET) layer; an adhesive layer; at least one further layer comprising a hole; a print and/or ink layer printed in register across at least a portion of the at least one further layer and the hole; and a second paraffin wax layer.
  • PET polyethylene terephthalate
  • the packaging for a foodstuff of the invention may comprise (or consist of): a first polyethylene terephthalate (PET) layer; an adhesive layer; at least one further layer comprising a channel; a print and/or ink layer printed in register across at least a portion of the at least one further layer and the channel; and a second paraffin wax layer.
  • PET polyethylene terephthalate
  • the packaging of the invention is suitably for a foodstuff.
  • the invention provides a method for packaging a foodstuff comprising contacting a foodstuff with the packaging of the invention.
  • the invention provides a method for packaging a foodstuff comprising contacting a foodstuff with a packaging obtainable (e.g. obtained) by a method of the present invention.
  • the invention also provides a packaged foodstuff comprising the packaging of the invention. Additionally there is provided a packaged foodstuff comprising the packaging obtainable (e.g. obtained) by a method of the invention.
  • foodstuff as used herein means a substance which is suitable for human and/or animal consumption (suitably for human consumption).
  • the term "foodstuff” as used herein may mean a foodstuff in a form which is ready for consumption.
  • foodstuff as used herein may mean one or more food materials which are used in the preparation of a foodstuff.
  • foodstuff encompasses both baked goods produced from dough as well as the dough used in the preparation of said baked goods.
  • the foodstuff as defined above may be selected from one or more of the following: baked goods (e.g. bakery products), including breads, cakes, sweet dough products, laminated doughs, liquid batters, muffins, doughnuts, biscuits, crackers and cookies; eggs, egg-based products, including but not limited to mayonnaise, salad dressings, sauces, ice creams, egg powder, modified egg yolk and products made therefrom; confectionery, including chocolate, candies, caramels, halawa, gums, including sugar free and sugar sweetened gums, bubble gum, soft bubble gum, chewing gum and puddings; frozen products including sorbets, preferably frozen dairy products, including ice cream and ice milk; dairy products, including cheese, butter, milk, coffee cream, whipped cream, custard cream, milk drinks and yoghurts; mousses, whipped vegetable creams, meat products, including processed meat products; edible oils and fats, aerated and non-aerated whipped products, oil-in-water emulsions, water-in-in-
  • the foodstuff in accordance with the present invention may be a "fine food", including cakes, pastry, confectionery, chocolates, fudge and the like.
  • the foodstuff may be a dough product or a baked product, such as a bread, a fried product, a snack, a cake, a pie, a brownie, a cookie, noodles, snack items such as crackers, graham crackers, pretzels, potato chips, and pasta. Therefore the packaging according to the invention may be a dough based product packaging or a baked product packaging. Suitably the foodstuff may be a bakery product. Therefore the packaging according to the invention may be a bakery packaging.
  • the bakery product may be one or more selected from the group consisting of: breads, cakes, sweet dough products, laminated doughs, liquid batters, muffins, doughnuts, biscuits, crackers and cookies
  • the bakery product may be a bread.
  • the packaging according to the invention may be a bread product packaging.
  • the invention provides a method for manufacturing a packaging product of the invention.
  • first layer and the second layer form a sandwich.
  • a packaging for a foodstuff obtainable (e.g. obtained) by a method of the invention is also provided.
  • a first layer for use in a method of the invention may be located on the inside of a packaging for a foodstuff when in use.
  • the first layer may provide a barrier (e.g. a barrier to food spoilage microbes and/or other undesirable microorganisms and/or agents), optionally in combination with a second layer and/or one or more further layers.
  • a second layer for use in a method of the invention may be located on the outside of a food packaging for a foodstuff when in use.
  • the second layer may provide a barrier (e.g. a barrier to food spoilage microbes and/or other undesirable microorganisms and/or agents), optionally in combination with a first layer and/or one or more further layers.
  • the method may comprise arranging the first layer and the second layer such that the first layer and the second layer form a sandwich.
  • the term "sandwich" as used herein in this context means that the first layer and the second layer are arranged opposite one another with any further layers of the invention located between the first layer and the second layer.
  • the first layer may be arranged internally (e.g. adjacent to or contacting a foodstuff) when in use.
  • the second layer may be arranged externally (e.g. not adjacent to or not contacting a foodstuff) when in use. More suitably the first layer may be arranged internally and the second layer may be arranged externally when in use.
  • the at least one further layer for use in a method of the invention is sandwiched between the first and second layer.
  • the at least one further layer comprises an aperture.
  • the term "at least one further layer” may mean at least two further layers, at least three further layers or at least four further layers. In other embodiments the term “at least one further layer” may mean between about 1 to about 10 layers, suitably between about 1 to about 5 layers. Suitably the term “at least one further layer” may mean one layer.
  • the method of the invention may produce a packaging for a foodstuff comprising (or consisting of) at least four layers, at least five layers, at least six layers or at least seven layers.
  • the packaging produced by the method may comprise (or consist of) at least four layers.
  • the packaging produced by the method may comprise (or consist of) at least five layers.
  • the packaging produced by the method may comprise (or consist of) at least six layers.
  • the packaging produced by the method may comprise (or consist of) at least seven layers.
  • the packaging produced by the method may comprise (or consist of) five layers.
  • the method of the invention may comprise (or consist of) providing a first layer, a second layer, at least one further layer and a print and/or ink layer.
  • the method of the invention may comprise (or consist of) providing a first layer and at least one further layer (comprising an aperture) with an adhesive layer between the first layer and at least one further layer, a print and/or ink layer which is applied and/or printed on the at least one further layer and a second layer.
  • the print and/or ink layer may be applied to and/or printed on the surface of one or more of the other layers of the invention.
  • the print and/or ink layer may be applied to or printed on the at least one further layer.
  • the print and/or ink layer may be applied and/or printed in register across at least a portion of the at least one further layer and at least a portion of the aperture.
  • the method of the invention comprises printing and/or applying in register a print and/or ink layer, wherein the print and/or ink layer extends across at least a portion of the at least one further layer and the aperture.
  • extend(s) across means that the print and/or ink layer spans along a portion or the whole length of the at least one further layer and/or the aperture in a longitudinal and/or transverse plane.
  • extend(s) across means that the print and/or ink layer spans along a portion of the at least one further layer and/or the aperture in a longitudinal and/or traverse plane.
  • the print and/or ink layer may be applied and/or printed such that the print and/or ink layer is continuous or discontinuous (suitably discontinuous). Typically, where the print and/or ink layer forms a design, the print and/or ink layer may be applied and/or printed such that it is discontinuous.
  • the print and/or ink layer may be applied to the packaging of the invention using any suitable method known in the art that will allow the print and/or ink layer to be applied and/or printed in register across at least a portion of the at least one further layer and at least a portion of the aperture.
  • the printing method may be selected from a flexographic print method and/or a rotogravure (e.g. gravure) print method.
  • the print and/or ink layer is not applied to the packaging for a foodstuff using scatter printing.
  • scatter printing refers to a method of printing a design on a packaging for a foodstuff (i.e. a "scatter print") wherein the design is of a random nature with no fixed start and endpoint. In other words, a "scatter print" design is not uniform.
  • the print and/or ink layer may be printed and/or applied to an adhesive layer located at the aperture of the at least one further layer.
  • the adhesive layer may be exposed to the print and/or ink layer due to the absence of material forming the at least one further layer at the aperture.
  • the method of the invention may comprise arranging the at least one further layer and the print and/or ink layer such that they are sandwiched between the first layer and second layer of the invention.
  • the method of the invention may comprise fixing at least one further layer to the first layer.
  • the at least one further layer may be fixed to the first layer by any suitable method known in the art.
  • the at least one further layer may be fixed to the first layer using an adhesive.
  • a lamination adhesive layer may be sandwiched between the first layer and at least one further layer in order to fix the first layer to the at least one further layer.
  • the adhesive may be a glue.
  • the method of the invention may comprise arranging at least one further layer such that it comprises an aperture. In one embodiment this may be achieved by: (i) providing a first layer and at least one further layer; and (ii) removing at least one portion of the at least one further layer such that an aperture is created.
  • the at least one portion of the at least one further layer may be removed by cutting a part of the at least one further layer and removing the cut part.
  • arranging at least one further layer such that it comprises an aperture may be achieved by: providing a first layer and two or more portions of the at least one further layer and arranging the two or more portions of the at least one further layer on the same plane such that the at least one further layer comprises an aperture (suitably wherein the aperture is a channel).
  • the fixing of the at least one further layer to the first layer may be carried out before removing a portion of the at least one further layer.
  • the fixing of the at least one further layer to the first layer may be carried out after removing a portion of the at least one further layer.
  • the fixing of the at least one further layer to the first layer and removing a portion of the at least one further layer may occur or be carried out simultaneously.
  • the first layer, second layer and/or at least one further layer for use in a method of the invention may comprise (or consist of) any suitable material for use in packaging of a foodstuff.
  • the first layer, second layer and/or at least one further layer may be made of a material capable of providing a barrier, e.g. a barrier to food spoilage microbes and/or other undesirable microorganisms and/or agents.
  • the first layer of the invention or for use in a method of the invention may comprise (or consist of) a plastic, a wax or combinations thereof.
  • the first layer of the invention or for use in a method of the invention may comprise (or consist of) a plastic.
  • the plastic may be one or more selected from the group consisting of: polyethylene terephthalate (PET), polyethylene (PE) and polypropylene (PP).
  • PET polyethylene terephthalate
  • PE polyethylene
  • PP polypropylene
  • Typical packaging usually has a waxed paper layer and a substantial surface area of the packaging contacting the foodstuff is said waxed paper layer.
  • the second layer of the invention or for use in a method of the invention may comprise (or consist of) a plastic, a wax or combinations thereof.
  • the second layer of the invention or for use in a method of the invention may comprise (or consist of) a wax.
  • the plastic may be one or more selected from the group consisting of: polyethylene terephthalate (PET), polyethylene (PE) and polypropylene (PP).
  • PET polyethylene terephthalate
  • PE polyethylene
  • PP polypropylene
  • the wax layer may be applied to the at least one further layer.
  • the at least one further layer may be a paper layer onto which the second wax layer may be applied.
  • At least about 3 gsm of wax may be applied to the at least one further layer (e.g. the at least one further paper layer).
  • at least about 5 gsm of wax more suitably at least about 7 gsm of wax may be applied. More suitably, about 10 gsm of wax may be applied.
  • layers for use in the method of the present invention may comprise at least a paper layer and a second wax layer.
  • the second wax layer may comprise at least about 3 gsm of wax.
  • the second wax layer may comprise at least about 5 gsm of wax, more suitably at least about 7 gsm of wax. More suitably, about 10 gsm of wax.
  • the wax may be a paraffin wax.
  • the second layer (suitably the second layer comprising (or consisting of) wax) may be applied using a coating and/or lamination machine. Any coating and/or laminating machine may be used, for example, a machine commercially available from KROENERT GmbH & Co KG (SchutzenstraBe 105 22761 Hamburg, Germany) may be suitable for use in the manufacture of a product of the invention or in a method thereof.
  • the at least one further layer for use in a method of the invention may comprise (or consist of) paper.
  • the paper may be a paper of at least about 5 gsm or about 10 gsm. More suitably, the paper may be a paper of at least about 15 or about 20 gsm. Preferably the paper may be a paper of about 25 gsm.
  • the at least one further layer may be laminated thus producing a substrate comprising a first layer, an adhesive layer and at least one further layer for further use in the method of the invention.
  • the paper may be laminated to between about 25 gsm to about 40 gsm or between about 25 gsm to about 30 gsm.
  • the paper may be laminated to about 26.6 gsm (e.g. to a thickness of about 19 ⁇ ).
  • Lamination may be performed using any machinery and/or technique known in the art.
  • a machine commercially available from KROENERT GmbH & Co KG (SchutzenstraBe 105 22761 Hamburg, Germany) may be suitable for the lamination.
  • lamination and removal of at least a portion of the at least one further layer to produce an aperture of the at least one further layer may be carried out simultaneously and/or sequentially, suitably simultaneously.
  • the substrate comprising a first layer, an adhesive layer and at least one further layer comprising an aperture may be have a print and/or ink layer applied and/or printed in register.
  • the print and/or ink layer may be continuous across the aperture of the at least one further layer.
  • the substrate comprising a first layer, an adhesive layer and at least one further layer comprising an aperture and print and/or ink layer applied and/or printed in register may then be treated to apply a layer of paraffin wax which wax forms the second layer.
  • Prior methods typically involve a multi-step process with a necessity to prepare a printed wax paper and a printed plastic separately followed by fixing the printed wax paper to the printed plastic.
  • the packaging for a foodstuff according to the invention is suitably prepared from multiple layers that are prepared and manufactured and/or printed in one step, i.e. without the necessity to prepare and print portions of the packaging separately and construct afterwards.
  • the packaging has increased strength and/or damage resistance when compared to packaging having a printed wax paper and a printed plastic portion which have been prepared separately prior to being fixed together.
  • the packaging of the invention has better moisture capture and/or odour capture properties. This surprisingly leads to the improved flavour of a foodstuff (preferably a bread) packaged with a packaging of the invention.
  • the arrangement of the layers comprised in the packaging for a foodstuff of the invention advantageously allows the use of printing in register across at least a portion of the at least one further layer and at least a portion of the aperture.
  • Printing in register allows for better uniformity and/or quality of printing and/or presentation (e.g. the packaging is more aesthetically pleasing). This is especially true when compared to scatter print methods.
  • the method of manufacture is much quicker and/or less laborious and/or more economical (e.g. cheaper).
  • this is a result of preparing and manufacturing and/or printing the packaging in one step, i.e. without the necessity to prepare and print portions of the packaging separately and construct afterwards.
  • Embodiments in which the packaging comprises a polyethylene terephthalate (PET) are particularly advantageous as such packaging demonstrates properties of high moisture retention.
  • PET polyethylene terephthalate
  • Figure 1 shows a typical prior art bread packaging 10 having a paper layer 14 that is printed with a scatter print design 15 and coated with paraffin wax 13 and a window area 16.
  • a separate plastic portion 1 1 is printed with a scatter print design 15 and affixed using lamination adhesive 12 to the printed wax paper 13, 14 at the window area 16.
  • Figure 2 shows a packaging for a foodstuff according to the present invention.
  • a packaging for a foodstuff 20 comprising: a first layer 21 ; a second layer 26; at least one further layer 23 sandwiched between the first layer 21 and second layer 26 wherein the at least one further layer 23 comprises an aperture 24; an adhesive layer 22; and a print and/or ink layer 25 sandwiched between the second layer 26 and the at least one further layer 23; wherein the print and/or ink layer 25 is applied and/or printed in register across at least a portion of the at least one further layer 23 and the aperture 24.
  • a layer e.g. a first layer, second layer, at least one further layer, and/or a print and/or ink layer
  • the layer e.g. the first layer, second layer, at least one further layer, and/or a print and/or ink layer
  • the layer includes reference to one or more layers (e.g. first layers, second layers, further layers, and/or a print and/or ink layers) and equivalents thereof known to those skilled in the art, and so forth.
  • the substrate was clamped in the burst test equipment paper surface upwards, above the flexible diaphragm. Hydraulic fluid was pumped into the chamber below the diaphragm, causing it to expand upwards and press on the substrate. The pressure generated in the hydraulic fluid due to the substrate's resistance to deformation was measured on a pressure gauge. The maximum pressure achieved before the substrate completely burst (both paper and film) was recorded as the burst strength.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrappers (AREA)

Abstract

L'invention concerne un emballage pour produit alimentaire comprenant : une première couche ; une deuxième couche ; au moins une couche supplémentaire coincée entre la première couche et la deuxième couche, la ou les couches supplémentaires comprenant une ouverture ; et une couche d'impression et/ou d'encre coincée entre la deuxième couche et la ou les couches supplémentaires ; la couche d'impression et/ou d'encre est appliquée et/ou imprimée en alignement sur au moins une partie de la ou des couches supplémentaires et au moins une partie de l'ouverture, ainsi que des procédés de fabrication, des procédés d'emballage d'un produit alimentaire et des produits alimentaires emballés comprenant l'emballage de l'invention.
PCT/GB2016/053995 2015-12-17 2016-12-19 Emballage pour produit alimentaire WO2017103629A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1522298.7 2015-12-17
GB1522298.7A GB2545648B (en) 2015-12-17 2015-12-17 A packaging for a foodstuff

Publications (1)

Publication Number Publication Date
WO2017103629A1 true WO2017103629A1 (fr) 2017-06-22

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ID=55311151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2016/053995 WO2017103629A1 (fr) 2015-12-17 2016-12-19 Emballage pour produit alimentaire

Country Status (2)

Country Link
GB (1) GB2545648B (fr)
WO (1) WO2017103629A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1786548A1 (de) * 1966-10-29 1973-02-08 Heller Jun William Charles Verpackung
EP0546792A1 (fr) * 1991-12-11 1993-06-16 Avner Geller Aggloméré laminé utilisable comme matériel d'emballage et sa fabrication
US20080014391A1 (en) * 2006-07-12 2008-01-17 Coutts David A Packaging roll stock with windows
EP2133196A1 (fr) * 2008-06-13 2009-12-16 Drukkerij Zwart B.V. Matériau de conditionnement de protection avec fenêtre discontinue dans une surface pleine en papier
US20130101855A1 (en) * 2011-10-20 2013-04-25 Frito-Lay North America, Inc. Barrier paper packaging and process for its production

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201180001Y (zh) * 2008-01-07 2009-01-14 杭州金杭包装印业有限公司 带有视窗的纸塑包装袋

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1786548A1 (de) * 1966-10-29 1973-02-08 Heller Jun William Charles Verpackung
EP0546792A1 (fr) * 1991-12-11 1993-06-16 Avner Geller Aggloméré laminé utilisable comme matériel d'emballage et sa fabrication
US20080014391A1 (en) * 2006-07-12 2008-01-17 Coutts David A Packaging roll stock with windows
EP2133196A1 (fr) * 2008-06-13 2009-12-16 Drukkerij Zwart B.V. Matériau de conditionnement de protection avec fenêtre discontinue dans une surface pleine en papier
US20130101855A1 (en) * 2011-10-20 2013-04-25 Frito-Lay North America, Inc. Barrier paper packaging and process for its production

Also Published As

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GB2545648A (en) 2017-06-28
GB201522298D0 (en) 2016-02-03
GB2545648B (en) 2018-04-18

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