TWI732362B - Flaky food packaging method - Google Patents

Abstract

A method for packaging sheet-shaped food materials, comprising: (A) placing at least one first sheet-shaped food material on a food material carrier, the food material carrier having an food material holding surface, and a sealing film fixed around the food material holding surface Noodles, the first sheet-shaped food material is located on the food material holding surface. (B) Fixing an inner sealing film to the fixing surface of the sealing film to seal the first sheet-like food material. (C) Cut the inner sealing film. (D) Place at least one second sheet-like food material on the top surface of the inner sealing film. (E) Airtightly wrap the second sheet-shaped food material.

Description

Flaky food packaging method

The present invention relates to a packaging method, in particular to a packaging method for sheet-like food materials.

Nowadays, the common packaging method used in supermarkets to package flaky foods (such as raw meat slices, bacon... etc.) is to place the flaky foods in a styrofoam box and use plastic film (such as cling film or heat-sealing film) to pack them. Sealing, to produce fresh-keeping effect on the sheet-like food, but this packaging method only has a one-time fresh-keeping effect, as long as the consumer tears off the film, all the sheet-like food in the styrofoam box will be lost For the preservation of freshness, consumers can only consume all the flakes as soon as possible, or store the remaining unedible flakes in other ways, which has its inconvenience in use.

Therefore, the object of the present invention is to provide a method for packaging sheet-like food materials that can overcome at least one of the disadvantages of the prior art.

Therefore, the method for packaging sheet food materials of the present invention includes:

(A) Place at least one first sheet-shaped food material on a food material carrier. The food material carrier has an food material holding surface and a sealing film fixing surface surrounding the food material holding surface. The first sheet food material is located This ingredient is used for noodles.

(B) Fixing an inner sealing film to the fixing surface of the sealing film to seal the first sheet-like food material.

(C) Cut the inner sealing film.

(D) Place at least one second sheet-like food material on the top surface of the inner sealing film.

(E) Airtightly wrap the second sheet-shaped food material.

The effect of the present invention is that the present invention utilizes the design of sealing the first and second slices of food materials separately, which can facilitate consumers to eat the first and second slices of food materials in stages, and after eating the second slices After the food is shaped, the inner sealing film and the food carrier can still have a continuous preservation effect on the first piece of food, so as to prolong the freshness time of the first piece of food.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numbers.

Referring to FIG. 1, it is a first embodiment of the sheet-like food packaging method of the present invention. The sheet-like food packaging method includes the following steps:

Step 200 (see FIG. 1): As shown in FIGS. 2 and 3, place the four first sheet-shaped food materials 20 on a food material carrier 10. In this first embodiment, the ambient temperature is 12-15°C, and the humidity is 50-60%.

In the first embodiment, the food carrier 10 is box-shaped and includes a bottom wall 11, a peripheral wall 12 extending upward from the peripheral edge of the bottom wall 11, and a peripheral wall 12 extending outward from the top end of the peripheral wall 12 The bottom wall 11 cooperates with the peripheral wall 12 to define an accommodating space 14.

The bottom wall 11 has a food holding surface 111.

The flange wall 13 has a sealing film fixing surface 131 surrounding the food holding surface 111, and the sealing film fixing surface 131 has an outer boundary 132. In the first embodiment, the outer boundary of the sealing film fixing surface 131 132 is rectangular. Preferably, the sealing film fixing surface 131 is formed with a broken recess 133 surrounding the food holding surface 111, and a broken recess 133 extending outward from the broken recess 133 to one side of the outer boundary 132 The corner tearing notch 134 divides the flange wall 13 into an inner wall portion 135 and a peripheral wall portion 136. It can be understood that the number of the tearing dent 134 is not limited to one, and in other variations of the first embodiment, it may also be more than one.

The first sheet-shaped food materials 20 are located on the food-holding surface 111. It can be understood that, in other variations of the first embodiment, the number of the first sheet-shaped food materials 20 may also be one or two. , Three or more than four.

Step 300 (see FIG. 1): As shown in FIG. 4, move the food carrier 10 and the first sheet-shaped food materials 20 into a working space 70 of a packaging machine (not shown), and the working space 70 Vacuum. In the first embodiment, vacuuming the working space 70 can reduce the air content in the working space 70, so as to prevent the first sheet-shaped food materials 20 from being deteriorated due to contact with bacteria in the air.

Step 400 (see FIG. 1): As shown in FIG. 5, an inner sealing film 30 is fixed to the sealing film fixing surface 131 to seal the first sheet-like food materials 20. In the first embodiment, a hot press mold (not shown) in the working space 70 of the packaging machine (not shown) is used to hot press the inner sealing film 30 to make the first sheet-like food materials 20 is sealed in the accommodating space 14, and the material of the inner sealing film 30 is nylon (Nylon), polyethylene (PE) or polyethylene terephthalate (PET), preferably, the The inner sealing film 30 can withstand heating at a temperature above 85° C. for more than 30 minutes without deformation or precipitation of plastic.

Step 500 (see FIG. 1): as shown in FIG. 6, the inner sealing film 30 is cut so that the inner sealing film 30 forms an outer periphery 31 of the inner film. In the first embodiment, a cutter (not shown) in the working space 70 of the packaging machine (not shown) is used to cut the inner sealing film 30.

Step 600 (see FIG. 1): As shown in FIG. 7, the food carrier 10, the first sheet-shaped food materials 20 and the inner sealing film 30 are moved out of the working space 70 (see FIG. 6), and the fourth Two pieces of food material 40 are placed on the top surface of the inner sealing film 30. It is understandable that in other variations of the first embodiment, the number of the second sheet-like food materials 40 may also be one, two, three, or more than four.

Step 700 (see Figure 1): as shown in Figures 8, 9, and 10, the second sheet-like food materials 40 are hermetically wrapped.

In the first embodiment, the step 700 includes a sub-step 710, a sub-step 720 after the sub-step 710, and a sub-step 730 after the sub-step 720.

Sub-step 710 (see FIG. 1): As shown in FIG. 8, move the food carrier 10 together with the first sheet-shaped food materials 20, the inner sealing film 30 and the second sheet-shaped food materials 40 into the working space 70 , And the working space 70 is evacuated. In the first embodiment, vacuuming the working space 70 can reduce the air content in the working space 70 so as to prevent the second sheet-like food materials 40 from being deteriorated due to contact with bacteria in the air.

Sub-step 720 (see FIG. 1): As shown in FIG. 9, a first outer sealing film 50 is fixed to the sealing film fixing surface 131 to seal the second sheet-like food materials 40. In the first embodiment, the packaging machine (not shown) is used to heat press the first outer sealing film 50 in a hot press mold (not shown) in the working space 70 to make the second sheet-shaped The food material 40 is sealed between the first outer sealing film 50 and the inner sealing film 30, and the material of the first outer sealing film 50 is nylon (Nylon), polyethylene (PE) or polyterephthalic acid Ethylene glycol (PET), preferably, the first outer sealing film 50 can withstand heating at a temperature above 85° C. for more than 30 minutes without deformation or precipitation of plastic.

Sub-step 730 (see Figure 1): as shown in Figure 10, cut the first outer sealing film 50 so that the first outer sealing film 50 forms a first outer peripheral edge 51, and the first outer peripheral edge 51 is located in the inner The sealing film 30 is outside the outer periphery 31 of the inner film. In the first embodiment, a cutter (not shown) in the working space 70 of the packaging machine (not shown) is used to cut the first outer sealing film 50, and the broken concave of the sealing film fixing surface 131 The mark 133 is located between the outer peripheral edge 31 of the inner film of the inner sealing film 30 and the first outer peripheral edge 51 of the first outer sealing film 50.

Step 800 (see FIG. 1), as shown in FIG. 10, heat sterilize the first and second sheet-shaped food materials 20, 40. In the first embodiment, the first and second sheet-shaped food materials 20, 40 are heat-sterilized in the working space 70 at a temperature of 88°C for 20 minutes, so that the first and second sheet-shaped food materials 20 The core temperature of 40 can reach 72℃.

As shown in Figs. 11, 12, and 13, it is a sheet-like food packaging structure 100 that is packaged and manufactured by the present invention and can be purchased by consumers.

Thereby, as shown in Figs. 13 and 14, when a consumer wants to eat or cook, he can first tear off the first outer sealing film 50 from the food carrier 10 according to the amount of the required food material. In order to fetch the second sheet-like food materials 40 first, and then, if more food materials are needed, the inner sealing film 30 can be further removed from the food carrier 10 to facilitate subsequent use of the food materials. The first sheet-shaped food material 20, in this way, can facilitate the consumers to eat the first and second sheet-shaped food materials 20, 40 in stages.

On the contrary, if there is no need to eat the first sheet-like food material 20, as shown in Figures 15 and 16, the consumer can first tear off a corner of the flange wall 13 along the tearing dent 134 to the Break the dent 133 (see Figure 3), and then fold down the peripheral wall portion 136 of the flange wall 13 from the inner peripheral wall portion 135 along the broken dent 133. In this way, the food load can be reduced. The space occupied by the utensil 10 when it is stored, and the inner sealing film 30 and the food carrier 10 can also have a continuous fresh-keeping effect on the first sheet-like food materials 20 sealed in the accommodating space 14 .

Based on the above description, the advantages of the present invention can be summarized as follows:

1. Compared with the prior art, the sheet-like food packaging structure 100 manufactured by the present invention uses the food carrier 10 to cooperate with the inner sealing film 30 and the first outer sealing film 50 to seal the first and second packaging materials, respectively. The design of the sheet-shaped food materials 20, 40 can facilitate consumers to eat the first and second sheet-shaped food materials 20, 40 in stages. Moreover, when the first sheet-shaped food materials 20 do not need to be eaten, they can be Through the inner sealing film 30 and the food carrier 10, the first sheet-like food 20 has a continuous preservation effect, and the sheet-like food packaging structure 100 manufactured by the present invention is more convenient to use and can be extended. The freshness-keeping time of the first sheet-shaped food material 20.

2. The food carrier 10 of the sheet-like food packaging structure 100 manufactured by the present invention utilizes the flange wall 13 to form the design of the breaking dent 133 and the tearing dent 134, so that the first food is not needed to be eaten. In the case of a piece of food material 20, the consumer can fold down the peripheral wall portion 136 of the flange wall 13 along the broken notch 133 to effectively reduce the space occupied by the food material carrier 10 when it is stored.

Refer to FIG. 17, which is a second embodiment of the present invention. The second embodiment is similar to the first embodiment. The difference between the second embodiment and the first embodiment is:

The step 700 includes a sub-step 740, a sub-step 750 after the sub-step 740, and a sub-step 760 after the sub-step 750.

In this sub-step 740 (see FIG. 17), as shown in FIGS. 18 and 19, the food carrier 10 together with the first sheet-shaped food materials 20, the inner sealing film 30 and the second sheet-shaped food materials 40 Put it into an outer bag 60. In the second embodiment, the material of the outer bag 60 is nylon (Nylon), polyethylene (PE) or polyethylene terephthalate (PET). Preferably, the outer bag 60 is resistant to Heating at a temperature above 85°C for more than 30 minutes will not cause deformation or precipitation of plastic.

In this sub-step 750 (see Figure 17), as shown in Figure 20, the food carrier 10 together with the first sheet-shaped food materials 20, the inner sealing film 30, the second sheet-shaped food materials 40 and the The outer jacket 60 is moved into the working space 70 and the working space 70 is evacuated.

In this sub-step 760 (see FIG. 17), as shown in FIG. 21, the outer bag 60 is sealed. In the second embodiment, the packaging machine (not shown) is used to heat the opening of the outer bag 60 in the hot press mold (not shown) in the working space 70 to make the second sheet The food material 40 is sealed between the outer bag 60 and the inner sealing film 30.

In this way, the second embodiment can also achieve the same purpose and effect as the above-mentioned first embodiment.

Refer to FIG. 22, which is a third embodiment of the present invention. The third embodiment is similar to the first embodiment. The difference between the third embodiment and the first embodiment is:

The third embodiment cancels this step 800 (see FIG. 1).

In this step 300 (see FIG. 22), as shown in FIG. 23, the food carrier 10 and the first sheet-like food materials 20 are moved into the working space 70, and the working space 70 is filled with nitrogen.

In the sub-step 710 (see FIG. 22), as shown in FIG. 24, the food carrier 10 together with the first sheet-shaped food materials 20, the inner sealing film 30 and the second sheet-shaped food materials 40 are moved into the operation The space 70 is filled with nitrogen.

In the third embodiment, filling the working space 70 with nitrogen can reduce the air content in the working space 70, so as to prevent the first and second sheet-shaped food materials 20, 40 from being degraded due to contact with bacteria in the air.

In this way, the third embodiment can also achieve the same purpose and effect as the above-mentioned first embodiment.

Refer to FIG. 25, which is a fourth embodiment of the present invention. The fourth embodiment is similar to the second embodiment. The difference between the fourth embodiment and the second embodiment is:

The fourth embodiment cancels this step 800 (see FIG. 1).

In this step 300 (see FIG. 25), as shown in FIG. 23, the food carrier 10 and the first sheet-like food materials 20 are moved into the working space 70, and the working space 70 is filled with nitrogen.

In this sub-step 750 (see FIG. 25), as shown in FIG. 26, the food carrier 10 together with the first sheet-shaped food materials 20, the inner sealing film 30, the second sheet-shaped food materials 40 and the The outer jacket 60 is moved into the working space 70 and the working space 70 is filled with nitrogen.

In this way, the fourth embodiment can also achieve the same purposes and effects as the above-mentioned second embodiment.

In summary, the sheet-like food packaging structure produced by the sheet-like food packaging method of the present invention is not only convenient for consumers to eat the first and second sheet-like materials in stages, but also can extend the first and second sheet-like materials. The fresh-keeping time of the sheet-like food, and when the first sheet-like food is stored separately, the peripheral wall of the flange wall can be folded down to effectively reduce the space occupied by the food carrier, so it can indeed achieve the cost The purpose of the invention.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.

100····· Packaging structure for sheet food 10······ Food carrier 11······Bottom Wall 111····· Noodles with Ingredients 12······ Zhoubi 13······ Flange Wall 131·····Film sealing surface 132····· Outer Boundary 133····· Broken dent 134 Tear the dent 135····· Inner Wall 136····· Peripheral Wall 14······ Housing space 20······ The first flake ingredient 30······ Inner sealing film 31······ Intimal outer periphery 40······Second sheet of ingredients 50······ The first outer cover film 51······ First outer periphery 60······ coat bag 70······ Work Space 200 steps 300 steps 400 steps 500 steps 600 steps 700 steps 710····· Substep 720····· Substep 730····· Substep 740····· Substep 750····· Substep 760····· Substeps 800····· steps

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Fig. 1 is a schematic flow chart of a first embodiment of a method for packaging sheet food materials according to the present invention; 2 is an exploded perspective view of a food carrier and four first sheet-shaped food materials used in the first embodiment; Figure 3 is a cross-sectional view illustrating the placement of the first sheet-shaped food material on the food material carrier; 4 is a cross-sectional view illustrating that the food carrier and the first sheet-shaped food materials are moved into a working space, and the working space is vacuumed; Fig. 5 is a view similar to Fig. 4, illustrating the fixing of an inner sealing film to the food carrier to seal the first sheet-like food materials; Fig. 6 is a view similar to Fig. 5, illustrating the cutting of the inner sealing film so that the inner sealing film forms an outer periphery of the inner film; Fig. 7 is a cross-sectional view illustrating that the food carrier together with the first sheet-shaped food materials and the inner sealing film are moved out of the working space, and four second sheet-shaped food materials are placed on the top surface of the inner sealing film; Fig. 8 is a view similar to Fig. 4, illustrating that the food carrier together with the first sheet-shaped food materials, the inner sealing film and the second sheet-shaped food materials are moved into the working space, and the working space is evacuated ； Fig. 9 is a view similar to Fig. 8 illustrating the fixing of a first outer sealing film to the food carrier to seal the second sheet-like food materials; Fig. 10 is a view similar to Fig. 9 illustrating cutting the first outer sealing film so that the first outer sealing film forms a first outer periphery, the first outer periphery being located between the outer periphery of the inner film of the inner sealing film outer; Figure 11 is a perspective view illustrating the sheet-shaped food packaging structure manufactured by the first embodiment; Figure 12 is a top view of Figure 11; Figure 13 is a cross-sectional view taken along the line ⅩⅢ-ⅩⅢ in Figure 12; Fig. 14 is a view similar to Fig. 13, illustrating that the first outer sealing film is torn off; Figure 15 is a perspective view illustrating that a peripheral wall portion of a flange wall of the food carrier is folded down; Figure 16 is a cross-sectional view illustrating that the peripheral wall portion of the flange wall of the food carrier is folded down; FIG. 17 is a schematic flowchart of a second embodiment of a method for packaging sheet food materials of the present invention; FIG. Figure 18 is an exploded perspective view illustrating the preparation of placing the food carrier together with the first sheet-like food materials, the inner sealing film and the second sheet-like food materials into an outer bag; 19 is a cross-sectional view illustrating that the food carrier together with the first sheet-shaped food materials, the inner sealing film and the second sheet-shaped food materials are placed in the outer bag; 20 is a cross-sectional view illustrating that the food carrier together with the first sheet-like food materials, the inner sealing film, the second sheet-like food materials and the outer bag are moved into the working space, and the working space is evacuated ； Figure 21 is a view similar to Figure 20, illustrating that the outer bag is sealed; FIG. 22 is a schematic flow diagram of a third embodiment of a method for packaging sheet food materials of the present invention; FIG. FIG. 23 is a cross-sectional view illustrating that the food carrier and the first sheet-shaped food materials are moved into the work space, and the work space is filled with nitrogen; Fig. 24 is a view similar to Fig. 23, illustrating that the food carrier together with the first sheet-shaped food materials, the inner sealing film and the second sheet-shaped food materials are moved into the working space, and the working space is filled nitrogen; 25 is a schematic flow chart of a fourth embodiment of the packaging method for sheet-like food materials of the present invention; and Figure 26 is a cross-sectional view illustrating that the food carrier together with the first sheet-shaped food materials, the inner sealing film, the second sheet-shaped food materials and the outer bag are moved into the working space, and the working space is filled with nitrogen .

200 steps 300 steps 400 steps 500 steps 600 steps 700 steps 710····· Substep 720····· Substep 730····· Substep 800····· steps

Claims (10)

A method for packaging sheet-shaped food materials, comprising: (A) placing at least one first sheet-shaped food material on a food material carrier, the food material carrier having a food material holding surface, and a sealing film fixed around the food material holding surface Surface, the first sheet-shaped food material is located on the food material holding surface, and the sealing film fixing surface of the food material carrier is formed with a broken dent surrounding the food material holding surface; (B) fixing an inner sealing film to the sealing film The fixed surface of the film is to hermetically wrap the first sheet-shaped food material; (C) cutting the inner sealing film; (D) placing at least one second sheet-shaped food material on the top surface of the inner sealing film; and (E) ) Airtightly wrap the second sheet-shaped food material. The sheet-like food packaging method according to claim 1, further comprising a step (B1) between the step (A) and the step (B). In the step (B1), the food carrier and The first sheet-like food material is moved into a working space, and the working space is evacuated. In this step (C), the inner sealing film is made to form an outer periphery of the inner film. In this step (D), the The food carrier together with the first sheet-shaped food material and the inner sealing film are moved out of the working space, and the step (E) includes a sub-step (E1), a sub-step (E2) after the sub-step (E1), and A sub-step (E3) after the sub-step (E2), in the sub-step (E1), the food carrier together with the first sheet-shaped food material, the inner sealing film and the second sheet-shaped food material are moved into the In the working space, and vacuuming the working space, in this sub-step (E2), a first outer sealing film is fixed Connected to the fixed surface of the sealing film to hermetically wrap the second sheet-like food material. In this sub-step (E3), the first outer sealing film is cut so that the first outer sealing film forms a first outer periphery The first outer periphery is located outside the outer periphery of the inner membrane of the inner sealing film. The sheet-like food packaging method according to claim 1, further comprising a step (B1) between the step (A) and the step (B). In the step (B1), the food carrier and The first sheet-like food material is moved into a working space, and the working space is evacuated. In this step (C), the inner sealing film is made to form an outer periphery of the inner film. In this step (D), the The food carrier together with the first sheet-shaped food material and the inner sealing film are moved out of the working space, and the step (E) includes a sub-step (E1), a sub-step (E2) after the sub-step (E1), and A sub-step (E3) after the sub-step (E2), in the sub-step (E1), the food carrier together with the first sheet-shaped food material, the inner sealing film and the second sheet-shaped food material are placed In an outer bag, in this substep (E2), move the food carrier together with the first sheet-shaped food material, the inner sealing film, the second sheet-shaped food material and the outer bag into the working space, and The working space is evacuated, and in this substep (E3), the outer bag is sealed. The sheet-like food packaging method according to claim 2 or claim 3, further comprising a step (F) after the step (E), in which step (F), the first and second sheet-like food materials Carry out heat sterilization. The sheet-like food packaging method according to claim 1, further comprising a step (B1) between the step (A) and the step (B), in the step (B1) In this step, the food carrier and the first sheet-shaped food material are moved into a working space, and the working space is filled with nitrogen. In this step (C), the inner sealing film is formed to form an outer periphery of the inner film. In step (D), the food carrier together with the first sheet-shaped food material and the inner sealing film are moved out of the working space, and the step (E) includes a sub-step (E1) and a step after the sub-step (E1) The sub-step (E2), and a sub-step (E3) after the sub-step (E2), in the sub-step (E1), the food carrier together with the first sheet-shaped food, the inner sealing film and The second sheet-shaped food material is moved into the working space, and the working space is filled with nitrogen. In this sub-step (E2), a first outer sealing film is fixed to the fixed surface of the sealing film to be hermetically covered For the second sheet-like food material, in the sub-step (E3), the first outer sealing film is cut so that the first outer sealing film forms a first outer peripheral edge, and the first outer peripheral edge is located on the inner sealing film Outside the outer periphery of the inner membrane. The sheet-like food packaging method according to claim 1, further comprising a step (B1) between the step (A) and the step (B). In the step (B1), the food carrier and The first sheet-like food material is moved into a working space, and the working space is filled with nitrogen. In this step (C), the inner sealing film is formed to form an outer periphery of the inner film. In this step (D), the The food carrier together with the first sheet-shaped food material and the inner sealing film are moved out of the working space, and the step (E) includes a sub-step (E1), a sub-step (E2) after the sub-step (E1), and A sub-step (E3) after the sub-step (E2), in the sub-step (E1), the food carrier together with the first sheet-shaped food material, The inner sealing film and the second sheet-shaped food material are placed in an outer bag. In the sub-step (E2), the food carrier is combined with the first sheet-shaped food material, the inner sealing film, and the second sheet-shaped food material. The food and the outer bag are moved into the working space, and the working space is filled with nitrogen. In this sub-step (E3), the outer bag is sealed. The sheet-like food packaging method according to claim 2 or claim 5, wherein, in the sub-step (E3), the broken dent is located between the outer periphery of the inner film of the inner sealing film and the outer periphery of the first outer sealing film. Between the first outer periphery. The sheet-like food packaging method according to claim 7, wherein in the step (A), the sealing film fixing surface has an outer boundary, and the sealing film fixing surface is also formed with at least one dent facing outward from the broken A tear dent extending to the outer boundary. The sheet-like food packaging method according to claim 8, wherein in the step (A), the outer boundary of the fixed surface of the sealing film is rectangular, and the tearing dent extends outward from the breaking dent to the One of the corners of the outer boundary. The sheet-like food packaging method according to claim 1, wherein, in the step (A), the food carrier includes a bottom wall, a peripheral wall extending upward from the peripheral edge of the bottom wall, and a peripheral wall from the peripheral wall A flange wall extending outwards from the top end, the bottom wall has the food holding surface, the flange wall has the sealing film fixing surface, and the bottom wall cooperates with the peripheral wall to define a container sealed by the inner sealing film space.

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