CZ11896A3 - Cardboard sectional packing for foodstuffs - Google Patents

Abstract

This invention relates generally to the art of food packaging and more particularly to a container (2) for packaging, storing and heating food. Such structures of this type, generally, are constructed with near vertical sidewalls (26) and a separate lid (4) such that the trays are easily nestable and remain stable when the lid (4) is removed. <IMAGE>

Description

Technical field

The invention generally relates to a method of packaging foodstuffs and in particular to a packaging for storage.

and stitching, food. Packaging of this type is usually constructed.

with almost vertical sides and a separate lid, so that the trays can easily be packed into bundles and remain stable if the lid is so.

BACKGROUND OF THE INVENTION

It is well known that side panels are used in the construction of cardboard food packaging. In order to create a partition, an adhesive is applied between the end regions of the sidewalls. This will maintain free space between the sidewalls and will serve as thermal insulation between the individual compartments of the package when one compartment contains hot food, while the other contains cold food.

An example of this prior art solution may be

IJ. S. P a t e n t M o. 5, 265, 796 (796) R. G et al. called Two-compartment cardboard food packaging with improved construction, corners. While the sidewalls allow.

creating a partition between. the variety of food in the package, the construction of the sidewalls and the partition ... is such that the partition itself may not remain stable after removal of the wolf. If this happens and the bulkhead is not stable after the wolf has been removed, the contents of the food can spill around when the food is consumed.

With regard to patent (* 796), a thin film of plastic film, for example of polyester (PE), polypropylene (PP) or polyethylene terephthalate (PET), can also be used. These plastic films may be laminated to paperboard. It is well known that this nalamlinary film is unsuitable when the cardboard is folded because the film is perforated by small holes. just for easier folding. cardboard, in areas adjacent to the corners of the packaging and the lid. These areas are thus more susceptible to environmental contamination by external influences. Therefore, a more preferred package would be one that would remain stable after removal.

the lids of the packaging and which would consist of a protective film of a somewhat more suitable material.

A clear attempt to alleviate some of the aforementioned patent reference issues (’796) is the invention of U.S.Patent

No. 5, 267, 686 ('686), also in R. Gu 11.1, is a food container consisting of separate trays joined together by a separate lid construction. The patent (´686) depicts the arrangement and gluing of parts. the skirt and bottom portions of the upper flaps with the tray portions represented by the skirt. and bottom side panels.

holding together the package, usable for transport and handling. Although the package assembly is usable for transporting and handling packages, it is not. it can be stacked, i.e.

because of the construction of the sides of the package. The casing is also laminated with a plastic film as previously described with respect to patent (‘796). Therefore, it would be more advantageous. packaging.

which would be stable, could be stored in bundles and contained foodstuffs on the side of the foodstuff.

Due to the use of full-area coating, describes

IJ.S. Patent No. 5. 356. 070 (070) W.R. Rlgby, called Split Cardboard Packaging, is a full-surface coating which is molded within the split paperboard packaging. However, food packaging. it consists of internal walls which form a partition which may cause the packaging to become unstable. Also, the skirt located along the perimeter of the food container does not allow the container to be passed through a conventional plate freezer, while avoiding clogging of the freezer or misfeeding of the container. Therefore, it would be even more preferable to have a food coating comprising a full-surface coating and at the same time having a stable construction which would allow the food packages to be easily drawn through conventional freezer types.

It is evident from the above paragraph that there is a need for a construction of a divided cardboard paper package which comprises a full-area, pressure-applied coating and which can be stored in bundles while remaining stable after the lid has been removed. It is an object of the present invention to fulfill these and other benefits and benefits. o o o o o o o o o o o o e o o o t e 1 to a more experienced designer after giving him the following explanation.

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P o d s t a t o o n e n e

In general, the present invention fulfills these requirements by providing a divided cardboard food packaging. This packaging consists of a tray, the bottom of which is made of cardboard material, which has an inner surface coated with a full-area and unbroken layer

T h e m anterial suitable for contact with food. The bottom is formed into at least two bottom plates. This food packaging. further comprising at least two wall plates, materially integrally connected to each of the at least two bottom plates, so as to form the inner wall panels.

in bulk container. Further, at least two outer wall plates are integrally connected materially to each of the at least two lower plates. It also consists of a first and a second top skirt, adjacent at least to the outer wall wall panels and finally a lid, which is attached to the tray to be released and opened, consisting of cardboard paper coated on the inside with a full-length and folded layer coating material suitable for contact with foodstuffs. This lid consists of first and second closing tabs, attached to the base as needed.

a lid plate and each adapted to be folded around a first tray rim where the first closure flap is attached to one of the at least two outer walls and the second closure flap is attached to the second outer wall. It further comprises a first flap plate and a second flap plate which are disposed substantially across the ends of the baffle and serve to support the flap. v a n d a n o o n o o n o o o a d u c d u. P r v i. the tab of the flap remains with the second closure flap when the lid is released from the tray and the second flap plate remains substantially across the end of the septum after the lid of the package has been released from the tray. ....................................... ........... ..... ......... *

In certain preferred embodiments of the invention, the bottom is formed into three bottom plates, requiring three.

bulkheads. The closing flaps may also be folded over in this case; all external wall plates. Finally, the closing flaps are attached to the outer wall plates by means of an adhesive.

In another preferred embodiment of the invention, the location of the closing flaps is designed to provide sufficient stability to the food container both before and after removal of the wolf.

The food wrapper produced according to this preferred embodiment of the invention offers the following advantages.

it is easy to assemble, has excellent stability, good durability and is also excellent in economic terms.

In fact, in many preferred solutions of the invention, the factors of stability and economy are optimized to such an extent. which is noticeably higher than it was known, i δ 1 c h a n d e c t i n f o n t i n i n o n t e c t e n e n e n e n e n e n e n e.

Transl.) Led pictures in drawings

The foregoing features, as well as other features of the present invention, will become more apparent when the invention is illustrated in the accompanying drawings and the detailed description thereof. The invention is illustrated in the drawings and views in which: FIG

Fig. 1 is a sketch of a divided food package

Z-paper board with a non-glued wolf, according to the present invention;

Fig. 2 is a sketch of a divided paperboard food container with a wolf glued back and front already released, according to the present invention;

Fig. 3 is an outline of another embodiment of a divided paperboard food container with a non-glued lid, according to the present invention; and

Fig. 4 is an outline of another embodiment of a split paperboard food packaging with a non-glued wolf, according to the present invention.

Example 1. 1

The base material for manufacturing the present invention is a machine-made paperboard (carton), the thickness of which can vary from 0.1778 millimeters to 0.889 millimeters (0.007 dp (0.035 inches)). In some cases, it may be desirable to coat the paperboard strips with a film of extruded polymer selected on the basis of chemical and adhesive adhesives η 1. poh 11 ivos 11, and ρ 1 i. cardboard which should eventually come into contact with the pressure-applied polymer coating. However, because of the fact that the stretched pressure applied polymers of the types and properties expected of the present invention are applied to the paperboard blank in the die at different temperatures, pressures and viscosities, many adhesive layers are applied to the sheets. cardboard substrates becomes unnecessary. In this way, the polymer applied by compression molding is pressed deeply and securely into the surface of the paperboard.

Those who have. their experience in designing similar products. He will understand the economic value of such food packaging, which is mainly associated with the graphic qualities of the packaging. The graphic representation of the package can also be printed by pressure on the paperboard strip. In addition, however, the cardboard web can be printed and cut in a punching machine into individual blanks in a continuous working machine.

Finally, a graphic image on the package that describes its contents can also be printed directly on the outer surface of the sidewall of the food container, that is, the side of the cardboard that is opposite the inner surface of the sidewall that comes into direct contact with the food content of the container. In such a case of printing, no additional external marking is required or is not. need to print no space to fill in content information.

C o c t i e n e 1 in d e c h e n d i n d. Giant . The container 2 is comprised of these parts. More specifically, the lid 4 comprises a conventional polymeric coating 6, a closing wall flap 0, plates and 1.0 and finally a tear strip 12.

Taking into account the tray 20, it consists of the bottom plates 22 of the inner walls 24, the outer walls 20, the individual flanges 20 and 30, the indicated adhesive application areas 32 and the partition 34. It is noted that the flanges 20 extend in the direction from the inner walls 24, while the flanges extend toward the inner walls 24. A further designated adhesive application area 32 is also located on the back of the tray 20.

In Fig. 2, we can see. That is, the lid 4 of the food container ... is attached to the tray 20 by the closing flap 14 and glues. d1, which ... is applied to the designated area 32 (on the back of the tray 20). FIG. 2 also shows how the closure flap 8 has been separated from the tray 20 by releasing the tear strip 12, which has been conducted in a conventional manner. After the strip 12 has been peeled off, the plate 10 remains adhered to the tray 20. In this case, the plate 10 on the tray 20 extends across the end portions of the partition 34 and thus remains on the tray 20 as its structural reinforcing member.

Placing the plate 10 across the end portion of the partition 34 functions as a spacer so that the tray 20 cannot bend or fold along the inside 24 on the partition 34 both before and after opening the food package.

Fig. 3 shows the food container 50. The food container comprises these components ... the lid 4 and the tray 52.

The cap 4 is preferably constructed in the same manner as for the production of the wolf 4 of Figures 1 and 2.

The tray 52 is comprised of these parts ... of the lower plates

54. the inner walls 50, the outer walls 58, the flanges 60 and 02, the glue application areas 04 and the dividers. A further designated area for applying the adhesive 04 is also located on the back of the tray 52.

As previously mentioned, with respect to FIG. 2, the cap is at. bonded to the tray 52 along the surfaces 04 on which the adhesive is applied. This surface is located on the back of the tray 52). In this case, the closure flap 8 extends across the end portion of the partition 00 and thus provides structural strength to the food container 50.

Then. Once the food content in the carton 50 has been heated. By any conventional heating technique, a tear strip 12 located on the wolf can be completely corroded.

4, so that the wolf 4 is released from the tray 52. The lid 4 and the plate 9 is lifted above the tray 52. However, the plate remains secured to the tray 52 so that the plate 10 extends across the end portion of the partition. 66 is positioned between the two inner walls 55. Thus, the plate 1.0 is able to add a structural strength to the tray 52 during consumption of the food content in the tray 52 packaged.

P o k d s e p o d 1. 4, in which the food container 100 is in particular. The food container 100 is particularly comprised of these parts. The wolf 1.04- and the tray 52. The tray 52 is preferably constructed in the same manner as the tray 52 of Fig. 3, except that the skirt 50 is folded inwardly and towards the inner walls 56.

The cap 104 consists of these parts. The conventional polymeric coating 106 and the closed wall flap 100. The closing flap consists mainly of plates 109 and 1.1.0 and a conventional tear strip 1.1.2.

In view of the construction of the food container 100, after the contents of this container 1.00 have been conventionally heated, the consumer opens the cap 1.04 by first pulling the tear strips away. 1.1.2. After all of these strips 11.2 have been torn off, the plates 1.1.0 remain glued to the tray 52 across the end portions of the partition 56 so that the plates 1.10 impart structural strength to the tray 52 while the food content of the tray 52 is consumed.

Due to the construction of the paperboard food containers 2, 50 and 100, there are several important features to bear in mind. First, the flanges 00 and FIGS. 30, 02C in FIG. 31 and the flanges-6 (1 and 62 (FIG. 41) are intersected inwardly, towards their respective inner side walls, such that the food containers of cardboard 2, 50 and 1.00, when fully assembled, can be drawn through a conventional plate freezer on their nearly vertical sides, and secondly, the construction of these food cardboard packages allows them to be stacked on shelves and laid on their nearly vertical Third, placing the plates 10 and 1: 3.0 across the end portions of the baffles 34 and 66, respectively, provides improved structural strength to the food containers, especially without the plates 10 and 110.

placed across the end portions of the bulkhead, the trays 20 and 52 could easily bend or twist at the bulkhead. Also, when the lid is removed from the package, the plates which are firmly adhered to the outer side sides of the package remain in place, thus providing support for the package.

If it was. Once explained, the principle of the invention, which was actually carried out above, would attack an experienced designer less than one. o s η η, r r r r r r r m m i i i i i i i i i i

Such solutions, features, modifications and improvements, as stated, are therefore considered to be part of the present invention, the scope of which will be explained in the following claims.

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Claims (9)

P Λ T E N T Cl V E N A R Cl K Y 0150Q i K 1 L 0 0) A divided food packaging made of paperboard, in which the packaging is made. It consists of a divided tray whose base plate is made of cardboard paper material. having an inner surface coated with a full-area and non-translatable layer of thallium which is suitable for contact with foodstuffs and which is used to cover said inner surface of the food container and the underside of which is formed into at least two lower plates of plates; at least two inner wall plates, materially integrally connected to each of said at least two lower plates, such that said inner plates form a partition in said tray; at least two outer wall plates, material and t e r g g e r i s h o n g e s h o n g e r i s h e s w o r i s h o u s of the bottom plates; first and second top skirts. each positioned adjacent to said at least two outer wall plates; and a lid attached to said tray so that it can be released and the base of which is made of cardboard paper. The lid consists of an inner surface which is coated with a full-area and non-overlapped layer of a food-friendly coating that is used to cover said inner surface of the food container. Said lid further comprises first and second closing wall flaps which are suitably attached to said lid and are adapted to extend beyond said first. obr ubu. First. the closure wall flap is connected to one of the aforementioned outer wall panels, and the closure wall flap connects to the other of said at least two outer wall plates. The lid is further comprised of a first flap plate and a second flap plate that are disposed substantially across the ends of said septum and thereby the lid can be detached from said tray so that after separation. the lid flap remains on said first flap plate on the second closure wall flap, and said second flap plate remains substantially across said end of said septum, also after the lid has been released from the tray. 2. Paperboard food packaging according to claim 1, wherein said base further comprises at least three bottom plates. 3.) Food packaging. paper board according to claim 1, wherein said tray is further comprised of at least purely internal wall plates. 4. ) P o r o v o n o o n d o 1 o p o p e r e p e n l <y p o d 1 e n o r 3, wherein said inner wall plates form at least three partitions in said tray. 5. ) P o r o v o n o o n o n o 1. 1, wherein said first flange is positioned substantially towards said at least two inner wall plates. Paperboard food packaging according to claim 1, wherein said second skirt is located substantially away from said, at least two, inner wall plates. 7.) Food packaging. 2. A method according to claim 1, wherein said first and second flanges are disposed substantially toward said at least two. inner wall plates. The paperboard food packaging according to claim 1 1, wherein said cap base further comprises at least two side walls adapted to be folded over said second flange. 9.) P o r e n o n o n e n 1 of a n e n e n e n e n e n d 3. wherein said lid base further comprises a third, closing wall flap that attaches to said lid and is adapted to be folded over said second flange. 10.) P o t r a v o o o o o a 1. z p a p. r o v e e f> e n y y o n d e e n o r o e 9. wherein said third closure wall flap further comprises third and fourth flap plates disposed substantially across the end of said septum to release said lid from said tray so that said third flap plate remains with the third closure wall flap in the case of wherein said lid is released from said tray and said fourth flap plate remains substantially across the end of said septum when said lid is released from said tray. A poisonous paperboard package according to claim 11 1. wherein said food-friendly cardboard coating further comprises a polymer molded on the cardboard by injection molding.