CN111392177A

CN111392177A - Food container and processing method thereof

Info

Publication number: CN111392177A
Application number: CN202010240602.XA
Authority: CN
Inventors: 边江
Original assignee: Tianjin Yishili Paper Products Co ltd
Current assignee: Tianjin Yishili Paper Products Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-07-10

Abstract

The present application provides a food container and a method of processing the same, the method comprising the steps of: cutting the raw paper into polygonal paper; pressing annular bottom imprints and side creases on the polygonal paper; folding the polygonal paper with side creases to form a pre-folded container; heating and forming the pre-folded container; taking out after the food is sufficiently cooled to form the food container; the processing method of the food container is simple in process and convenient to produce. The food container has a container bottom surface and a container side wall; the bottom surface and the side edges of the container are bounded by an annular bottom indentation; the side of the container is provided with a plurality of side creases; the side creases extending from the bottom indentations to the top of the container side walls; all the side creases are arranged around the bottom indentation; the side walls of the container are folded and formed by side creases; the application provides a food container can expand to disc structure, makes things convenient for consumer's having a dinner, has improved consumer's having a dinner and has experienced.

Description

Food container and processing method thereof

Technical Field

The present disclosure relates generally to the field of container processing, and more particularly to a food container and a method of processing the same.

Background

With the rapid development of fast food and retail industries, paper cups and paper bowls are mostly used as containers for holding food, but have the defects of inconvenient opening and eating, and particularly, when solid food is filled in the paper cups and the paper bowls, the paper cups and the paper bowls are inconvenient for eating, so that the experience of consumers is reduced; meanwhile, the process for producing paper cups and paper bowls generally needs to pass through the processes of paper feeding, cohesion, cup bottom punching, adhesion, knurling, water testing and the like, and the process is relatively complex.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a food container and method of making the same that is convenient for consumer use.

In a first aspect the present application provides a method of processing a food container comprising the steps of:

cutting the raw paper into polygonal paper by using a die cutting machine;

pressing an annular bottom indentation in the middle of the polygonal paper by using a die cutting machine, and folding a side crease in the part of the polygonal paper surrounding the bottom indentation; the side creases extending from the bottom indentations to the edges of the polygonal paper sheet; all of the side creases are disposed around the bottom impression;

folding polygonal paper with side creases to form a pre-folded container, wherein the pre-folded container is provided with a container bottom and a container wall which are bounded by bottom creases;

placing the pre-folding container into a bottom die for heating, and after heating is finished, downwards applying pressure through a small die to enable the pre-folding container to be tightly attached to the bottom die for forming;

and taking out the pre-folded container after the pre-folded container is sufficiently cooled to form the food container.

According to the technical scheme provided by the embodiment of the application, the side creases comprise a plurality of side crease groups, each side crease group comprises a first crease and a second crease, the first crease and the second crease in each side crease group form a first side surface, and the second crease in each side crease group and the first crease in the next side crease group in the clockwise direction form a second side surface;

the method for folding the polygonal paper into the pre-folding container by the side creases specifically comprises the following steps: folding the first fold outward and the second fold inward so that after folding the first side contacts the second side to form a container sidewall.

the method for folding the polygonal paper into the pre-folding container by the side creases specifically comprises the following steps: folding the first fold inward and the second fold outward such that after folding the first side contacts the second side to form a container sidewall.

According to the technical scheme provided by the embodiment of the application, the first fold and the second fold in each side fold group are at the same end point near the bottom indentation of the container.

Second aspect the present application also provides a food container having a container bottom surface and a container side wall; the container bottom surface and the container side edge are bounded by an annular bottom indentation; the side edge of the container is provided with a plurality of side edge creases; the side creases are divided into a plurality of side crease groups; the side creases extending from the bottom indentations to the top of the container side walls; all of the side creases are disposed around the bottom impression; the container side walls are folded in side creases.

According to the technical scheme provided by the embodiment of the application, each side crease group comprises a first crease and a second crease, and the first crease and the second crease in each side crease group form a first side surface; the second crease in the side crease group and the first crease in the next side crease group in the clockwise direction form a second side surface;

the first fold is folded outwards, and the second fold is folded inwards, so that after the folding, the first side face is contacted with the second side face, and the side wall of the container is formed.

the first fold is folded inwards, and the second fold is folded outwards, so that after folding, the first side surface is in contact with the second side surface, and therefore the side wall of the container is formed.

The beneficial effects of this application technical scheme are: the application provides a food container and processing method thereof, through cutting out raw materials paper, the crease, fold in advance, thermoforming, the piece is got in the cooling five steps and can be produced food container, simple process is convenient for produce. At the same time, the bottom surface and the side edges of the container are bounded by an annular bottom indentation; the side edge of the container is provided with a plurality of side edge creases; the side creases extending from the bottom indentations to the top of the container side walls; all of the side creases are disposed around the bottom impression; the container side walls are folded and formed with side creases;

when food is to be placed, all of the side creases are disposed around the bottom crease as they extend from the bottom crease to the top of the container sidewall; and thus can be folded along the side folds and the bottom fold to form a food container for holding food.

When food needs to be eaten, the side wall of the container can be unfolded along the plurality of side creases and the bottom crease to form a disc-shaped structure, so that the food container has the function of a dish, the dining of consumers is facilitated, and the experience of the consumers is improved.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a flow chart of a method of processing a food container provided herein;

fig. 2 is a front view of a food container provided in the present application;

FIG. 3 is an expanded view of one of the food containers shown in FIG. 2;

reference numbers in the figures:

1. a first fold; 2. a second fold; 3. a third indentation; 4. a container bottom surface; 5. a first side surface; 6. a second side surface;

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Please refer to fig. 1, which is a flowchart illustrating a food container processing method according to embodiment 1, including the following steps:

s100: cutting, namely cutting the raw paper into polygonal paper by using a die cutting machine;

s200: a step of creasing, in which a die-cutting machine is used for pressing an annular bottom indentation in the middle of the polygonal paper, and side creases are folded at the part of the polygonal paper surrounding the bottom indentation; the side creases extending from the bottom indentations to the edges of the polygonal paper sheet; all of the side creases are disposed around the bottom impression;

s300: pre-folding, namely folding the polygonal paper by side folds to form a pre-folded container, so that the folded container has a container bottom and a container wall which are bounded by bottom indentations;

s400: heating and forming, namely putting the pre-folded container into a bottom die for heating, and after heating is finished, downwards applying pressure through a small die to enable the pre-folded container to be tightly attached to the bottom die for forming;

s500: and cooling and taking out the parts, and taking out the parts after the pre-folded container is fully cooled to form the food container.

The method is characterized in that:

putting the raw paper into a die cutting machine, and cutting the raw paper into polygonal paper by the die cutting machine, wherein the polygonal paper can be a regular polygon or a non-regular polygon;

pressing an annular bottom indentation in the middle of the polygonal paper by using a die cutting machine, wherein the bottom indentation can be preferably a regular dodecagonal bottom indentation as shown in fig. 3, and the area formed by the bottom indentation forms the bottom surface 4 of the container; folding side creases on the part of the polygonal paper surrounding the bottom indentation; the bottom indentations of the side creases extend to the edges of the polygonal paper, and all the side creases are arranged around the bottom indentations, so that the polygonal paper is convenient to fold and form in the pre-folding process, and the structure is optimized;

folding the polygonal paper with side creases to form a pre-folded container, wherein the folded container is provided with a container bottom and a container wall which are bounded by bottom creases;

finally, the pre-folded container is cooled sufficiently to form the food container.

The processing method of the food container is simple, practical and convenient to produce; the food container can be produced through five processes of cutting, creasing, pre-folding, heating and forming, cooling and taking.

In a preferred embodiment of the side creases, as shown in fig. 3, the side creases include a plurality of side crease groups, each side crease group includes a first crease 1 and a second crease 2, the first crease 1 and the second crease 2 in each side crease group constitute a first side 5, and the second crease 2 in the side crease group and the first crease 1 in the next side crease group in the clockwise direction constitute a second side 6;

the method for folding the polygonal paper into the pre-folding container by the side creases specifically comprises the following steps: the first fold 1 is folded outwards and the second fold 2 is folded inwards, so that after folding the first side 5 is in contact with the second side 6, thereby forming the container side wall.

Preferably, in order to simplify the pre-folding process, each of the sets of side creases may further include a third crease mark; the third indentation may be pressed out by a die cutter to form a third indentation 3 as shown in fig. 3; the first crease 1 in each side crease group can coincide with the third crease 3 in the pre-folding process of the polygonal paper, so that the optimization of the structure of the food container is facilitated, and the polygonal paper is convenient for industrial production and use by consumers.

In a preferred embodiment of the side creases, the side creases include a plurality of side crease groups, each side crease group includes a first crease 1 and a second crease 2, the first crease 1 and the second crease 2 in each side crease group constitute a first side 5, and the second crease 2 in the side crease group and the first crease 1 in the next side crease group in the clockwise direction constitute a second side 6;

the method for folding the polygonal paper into the pre-folding container by the side creases specifically comprises the following steps: the first fold 1 is folded inwards, and the second fold 2 is folded outwards, so that the first side 5 and the second side 6 are in contact after folding, and the side wall of the container is formed. Due to the different folding modes of the side creases, the use process of the consumers is more convenient.

Wherein, in a preferred embodiment of the side creases, the first crease 1 and the second crease 2 in each of said sets of side creases are coterminous with the end of the crease 2 near the bottom crease of the container. First crease 1 and second crease 2 are at the one end common extreme point that is close to the container bottom indentation for first crease 1 is more convenient with second crease 2 folding process, and the production process of folding in advance is convenient for, also is favorable to consumer's use simultaneously.

Example 2

The present application also provides a food container prepared by the above-described process, as shown in fig. 2 and 3, having a container bottom surface 4 and a container side wall; the container bottom surface 4 and the container side edges are bounded by an annular bottom indentation; the side edge of the container is provided with a plurality of side edge creases; the side creases are divided into a plurality of side crease groups; the side creases extending from the bottom indentations to the top of the container side walls; all of the side creases are disposed around the bottom impression; the container side walls are folded in side creases.

When it is desired to contain food, such as cakes, all of the side creases are placed around the bottom indentation as they extend from the bottom indentation to the top of the container sidewall; the cake can thus be placed on the bottom of the container and folded along the side and bottom folds to be packed in the food container.

When the cake needs to be eaten, the side wall of the container can be unfolded along the side creases and the bottom crease to form a disc-shaped structure, so that the food container has the function of a plate, the food container is convenient for consumers to have meals, the experience of the consumers is improved, and the defect that the traditional paper cups and paper bowls are inconvenient to have meals is overcome.

Wherein, in a preferred embodiment of the side creases, each of the side crease groups comprises a first crease 1 and a second crease 2, the first crease 1 and the second crease 2 of each of the side crease groups constituting a first side 5; the second fold 2 in the group of side folds and the first fold 1 in the next group of side folds in the clockwise direction form a second side 6;

the first fold 1 is folded outward and the second fold 2 is folded inward so that the first side 5 contacts the second side 6 after folding, thereby forming a container sidewall.

Preferably, in order to make the folding process easier, each of the sets of side creases may further include a third crease mark; the third indentation may be pressed out by a die cutter to form a third indentation 3 as shown in fig. 3; the first crease 1 in each side crease group can coincide with the third crease 3 in the pre-folding process of the polygonal paper, so that the optimization of the structure of the food container is facilitated, and the polygonal paper is convenient for industrial production and use by consumers.

the first fold 1 is folded inwards, and the second fold 2 is folded outwards, so that after folding, the first side face 5 is in contact with the second side face 6, and the side wall of the container is formed. Due to the different folding modes of the side creases, the use process of the consumers is more convenient.

Wherein, in a preferred embodiment of the side creases, the first crease 1 and the second crease 2 in each of said sets of side creases are coterminous with the end of the crease 2 near the bottom crease of the container. Make first crease 1 more convenient with second crease 2 folding process, reduce the process time of folding in advance, also be favorable to consumer's use simultaneously.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A method of processing a food container, comprising the steps of:

cutting the raw paper into polygonal paper by using a die cutting machine;

2. The food container processing method of claim 1, wherein: the side folding lines comprise a plurality of side folding line groups, each side folding line group comprises a first folding line (1) and a second folding line (2), the first folding line (1) and the second folding line (2) in each side folding line group form a first side surface (1), and the second folding line (2) in each side folding line group and the first folding line (1) in the next clockwise side folding line group form a second side surface (6);

the method for folding the polygonal paper into the pre-folding container by the side creases specifically comprises the following steps: folding the first fold (1) outward and the second fold (2) inward so that after folding the first side (5) contacts the second side (6) to form a container side wall.

3. The food container processing method of claim 1, wherein: the side folding lines comprise a plurality of side folding line groups, each side folding line group comprises a first folding line (1) and a second folding line (2), the first folding line (1) and the second folding line (2) in each side folding line group form a first side surface (5), and the second folding line (2) in each side folding line group and the first folding line (1) in the next clockwise side folding line group form a second side surface (6);

the method for folding the polygonal paper into the pre-folding container by the side creases specifically comprises the following steps: folding the first fold (1) inwards and the second fold (2) outwards so that after folding the first side (5) and the second side (6) are in contact, thereby forming a container side wall.

4. A food container processing method according to claim 2 or claim 3, wherein: the end of the first crease (1) and the end of the second crease (2) in each side crease group close to the bottom crease of the container are at the same end point.

5. A food container prepared by the process of any one of claims 1 to 4, wherein: having a container bottom (4) and a container side wall; the container bottom surface (4) and the container side edges are bounded by an annular bottom indentation; the side edge of the container is provided with a plurality of side edge creases; the side creases are divided into a plurality of side crease groups; the side creases extending from the bottom indentations to the top of the container side walls; all of the side creases are disposed around the bottom impression; the container side walls are folded in side creases.

6. The food container of claim 5, wherein: each side folding line group comprises a first folding line (1) and a second folding line (2), and the first folding line (1) and the second folding line (2) in each side folding line group form a first side face (5); the second fold (2) in the group of side folds and the first fold (1) in the next group of side folds in the clockwise direction form a second side face (6);

first crease (1) is rolled over outward, second crease (2) is rolled over inward for folding back first side (5) with second side (6) contact, thereby form the container lateral wall.

7. The food container of claim 5, wherein: each side crease group comprises a first crease (1) and a second crease (2), and the first crease (1) and the second crease (2) in each side crease group form a first side surface (5); the second fold (2) in the group of side folds and the first fold (1) in the next group of side folds in the clockwise direction form a second side face (6);

folding the first fold (1) inwards and the second fold (2) outwards so that after folding the first side (5) and the second side (6) are in contact, thereby forming a container side wall.

8. The food container of claim 6 or claim 7, wherein: the end of the first crease (1) and the end of the second crease (2) in each side crease group close to the bottom crease of the container are at the same end point.