TWI583601B - Packaging bags and packaging bags manufacturing methods - Google Patents

Description

Packaging bag and packaging bag manufacturing method

The invention relates to a packaging bag and a manufacturing method of the packaging bag, in particular to a single-pack sealed packaging bag and a manufacturing method of the packaging bag.

Referring to FIG. 1 and FIG. 2, a conventional packaging bag 11 for holding biscuit food is known. When the user wants to eat, tearing one of the mouth ends 12 to form an opening 13 can be taken out, but the inner biscuit can be taken out. Since the conventional packaging bag 11 is of a flat design, the opening 13 formed by the bag body is small, the user is not easy to see the internal residual component, and when the user takes the biscuit, the opening 13 is small, which not only makes the user difficult. It is easy to take off the biscuit crumbs during the handling process and cause the environment to be messy.

Accordingly, a first object of the present invention is to provide a package that solves the above problems.

Thus, the package of the present invention comprises a first sheet and a second sheet.

The circumference of the second piece is sealed with the circumference of the first piece to define an accommodation space.

The first piece and the second piece are respectively included in opposite a second cutting side of the side, a connecting side connecting one end of the cutting side, a sealing side connecting the other end of the cutting side, and extending from the connecting side to the side of the sealing respectively The first side line and the second second line of the first piece are connected to the connecting side of the second piece, when the first piece and the second piece are spread out, The second fold lines are located between the first fold lines, and are viewed from the outer surfaces of the first sheet and the second sheet. The first fold lines are valley lines, and the second fold lines are mountain lines.

Define the area between the two adjacent second fold lines as the table area, each A region between a first fold line and an adjacent second fold line is an inner fold region, and an area between each first fold line and an adjacent cut side edge is an outer pull region, and the first sheet body and the second sheet body respectively The first fold line and the second fold line are folded so that each of the inner fold regions overlaps between the adjacent table region and the outer pull region.

A second object of the present invention is to provide a method of manufacturing a package that solves the above problems.

Thus, the method of manufacturing a package of the present invention comprises the steps of: (A) preparing a long strip comprising two long sides and defining an inner side and an intermediate between the equal sides line.

(B) pressing two first fold lines and two second fold lines extending from one of the long sides to the other long side of the long strip at a predetermined distance, the second fold lines being located at the first Between the fold lines, viewed from the inner side of the long strip, the first fold line is a mountain line, the second fold line is a valley line, and the middle line is a valley line, and according to the first fold line, Wait for the second fold line, the The middle line folds the long strip.

(C) defining an adjacent two first fold lines to form one of The long side extends to the sealing section of the other long side, and the two long sides of the long strip are overlapped and sealed, and the sealing sections on both sides of the intermediate line are overlapped and sealed.

(D) defining a cutting line in the sealing section along which the cutting The line cuts the long strip.

The effect of the invention is: by the first piece and the first The two bodies are respectively folded according to the first fold line and the second fold line. When the package is torn, the first piece and the second piece can be developed to form a larger opening, which is not only easy to take, but also easy to take. It can be used for the user to know the amount of internal residual components, and can also reduce the messy environment caused by the cracked biscuits in the process of taking.

2‧‧‧ first body

21‧‧‧cut side

22‧‧‧Connected sides

23‧‧‧Seal side

24‧‧‧First fold line

25‧‧‧second fold line

26‧‧‧Table area

27‧‧‧Inside area

28‧‧‧Extension area

3‧‧‧Second body

31‧‧‧ Cutting side

32‧‧‧Connecting side

33‧‧‧Seal side

34‧‧‧First fold line

35‧‧‧ second fold line

36‧‧‧Table area

37‧‧‧Inside area

38‧‧‧External area

4‧‧‧ accommodating space

5‧‧‧ openings

6‧‧‧Long strip

61‧‧‧Long side

62‧‧‧ inside side

63‧‧‧ middle line

64‧‧‧First fold line

65‧‧‧second fold line

66‧‧‧Closed section

67‧‧‧ cutting line

71~74‧‧‧Steps

9‧‧ ‧ Biscuits

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a schematic view of a conventional packaging bag; FIG. 2 is another schematic view of the conventional packaging bag; Figure 4 is a schematic cross-sectional view of the embodiment of the present invention; Figure 5 is a schematic view of the embodiment after the embodiment; Figure 6 is a schematic cross-sectional view of the embodiment after the development; Figure 7 is a flow chart showing an embodiment of a method of manufacturing a package of the present invention; and Figure 8 is a schematic view of a long strip of the embodiment.

Referring to Figures 3 and 4, an embodiment of the package of the present invention comprises a first sheet 2 and a second sheet 3.

The peripheral edge of the second sheet 3 is sealed with the periphery of the first sheet 2 to define an accommodation space 4 suitable for placing food such as biscuits 9.

The first body 2 and the second body 3 respectively include two cutting sides 21, 31 on opposite sides, a connecting side 22, 32 connecting one ends of the cutting sides 21, 31, and a Sealing side edges 23, 33 connecting the other ends of the cutting sides 21, 31, and two first fold lines 24, 34 and two extending from the connecting sides 22, 32 to the side edges 23, 33, respectively The connecting side 22 of the first piece 2 is connected to the connecting side 32 of the second piece 3 when the first piece 2 and the second piece 3 are spread out. (that is, when the first sheet 2 and the second sheet 3 are pulled apart from left to right as shown in FIG. 4), the second fold lines 25, 35 are located between the first fold lines 24, 34, and The outer surface of the body 2 and the second body 3 are viewed as such, the first fold lines 24, 34 are valley lines, and the second fold lines 25, 35 are mountain lines, and the adjacent two second fold lines 25 are defined. The area between the 35 areas is the table area 26, 36, the area between each of the first fold lines 24, 34 and the adjacent second fold line 25, 35 is the inner fold area 27, 37, and each of the first fold lines 24, 34 and adjacent The area between the cut sides 21, 31 is the outer pull area 28 38. The first body 2 and the second body 3 are respectively folded according to the first fold lines 24, 34 and the second fold lines 25, 35, so that each of the inner fold regions 27, 37 are overlapped adjacent to each other. The table areas 26, 36 and the outer pull areas 28, 38.

Wherein the connecting side 22 and the second side of the first body 2 The connecting side edges 32 of the sheet body 3 are integrally joined, and the cutting side edges 21, 31 are in a zigzag shape, and the distance between each cutting side edge 21, 31 and the adjacent first folding line 24, 34 is greater than each a distance between a fold line 24, 34 and the adjacent second fold line 25, 35, the first fold line 24, 34 and the second fold line 25, 35 being substantially parallel to the cut sides 21, 31, The material of the first sheet 2 and the second sheet 3 may be plastic or paper.

Referring to Figure 3, Figure 5 and Figure 6, when used, when the user When the biscuit 9 inside the package is to be eaten, the package can be torn open by a serrated notch of one of the cutting sides 21, 31 in a zigzag shape to form an opening 5 for the user to access the inner biscuit. 9. Since the first piece 2 and the second piece 3 are folded, when the package is torn, the first piece 2 and the second piece 3 are naturally as shown in FIG. The opening is formed to form a larger opening 5, which is not only convenient for the user to take, but also allows the user to see the internal residual component at a glance. If the user feels that the size of the opening 5 is still insufficient, the external pulling area can also be grasped by both hands. 28, 38 is further pulled out to expand the opening 5, so that it is more convenient to take over the biscuit crumbs scattered during the taking process and reduce the environmental mess.

Through the above description, the advantages of this embodiment can be summarized as follows:

1. By folding the first sheet 2 and the second sheet 3 according to the first fold lines 24, 34 and the second fold lines 25, 35, respectively, when the package is torn, the first sheet 2, the second sheet 3 will naturally develop to form a larger opening 5, which is not only easy to take, but also allows the user to know the amount of residual internal components, and the user can also pull the outer pull-out area 28, 38 Pulling out to further expand the opening 5, it is more able to take off the biscuit crumbs spilled during the taking process and reduce the environmental mess.

2. By designing the cut sides 21, 31 as jagged It is convenient for the user to tear the bag away, and avoid the problem that the inner food is dropped by excessively tearing the bag when the force is not found.

Third, by cutting each side 21, 31 and the adjacent one The distance between the fold lines 24, 34 is designed to be greater than the distance between each of the first fold lines 24, 34 and the adjacent second fold lines 25, 35, so that the user can more easily pull the outer pull regions 28, 38, and increase Convenience in use.

Referring to Figures 7 and 8, the embodiment of the package of the present invention comprises the following steps: Step 71: Preparing a long strip 6 comprising two long sides 61 and defining an inner side 62, one An intermediate line 63 between the equal length sides 61.

Step 72: pressing two first fold lines 64 and two second fold lines 65 extending from one long side 61 to the other long side 61 on the long strip 6 at a predetermined distance, the second fold lines 65 is located between the first fold lines 64. The first fold line 64 is a mountain line, and the second fold line 65 is a valley line, and the middle line 63 is the inner side surface 62 of the long strip 6 The valley line, and the long strip 6 is folded according to the first fold line 64, the second fold line 65, and the intermediate line 63.

The first fold line 64 and the second fold line 65 respectively form the first fold lines 24, 34 and the second fold lines 25, 35 of the package shown in FIGS. 3 and 4 after folding. The inner side 62 of the elongated strip 6 That is, the inner side of the package will be formed.

Step 73: Define a sealing section 66 between the adjacent two first fold lines 64 extending from one of the long side edges 61 to the other long side edge 61, and overlap the two long side edges 61 of the long strip 6 Sealing, the sealing section 66 on both sides of the intermediate line 63 is overlapped and sealed.

Step 74: Define a cutting line 67 in the sealing section 66 along which the elongated strip 6 is cut.

In this embodiment, steps 72, 73, and 74 are performed in time sequence, but the order of steps may be adjusted according to actual needs, and is not limited thereto.

The cutting line 67 is in a zigzag shape, and the distance between each cutting line 67 and the adjacent first folding line 64 is greater than the distance between each first folding line 64 and the adjacent second folding line 65, and the first folding line 64 and The second fold lines 65 are substantially perpendicular to the two long sides 61 of the elongate strip 6.

Thereby, taking the length of the long strip 6 shown in FIG. 8 as an example, two packages as shown in FIG. 3 can be produced, so that the object and effect of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

2‧‧‧ first body

21‧‧‧cut side

22‧‧‧Connected sides

23‧‧‧Seal side

24‧‧‧First fold line

25‧‧‧second fold line

26‧‧‧Table area

27‧‧‧Inside area

28‧‧‧Extension area

31‧‧‧ Cutting side

32‧‧‧Connecting side

33‧‧‧Seal side

9‧‧ ‧ Biscuits

Claims (10)

A packaging bag comprising: a first body; and a second body, the periphery of which is sealed with a periphery of the first body to define an accommodating space; the first body and the second body respectively The utility model comprises two cutting side edges on opposite sides, a connecting side edge connecting one ends of the cutting side edges, a sealing side edge connecting the other ends of the cutting side edges, and extending from the connecting side edges respectively a second first line and a second second line on the side of the sealing portion, wherein the connecting side of the first piece is connected to the connecting side of the second piece, the first piece and the second piece When the first fold line is located between the first fold line and the outer surface of the second sheet, the first fold line is a valley line, and the second fold line is a mountain line; defining an area between two adjacent second fold lines as a table area, an area between each first fold line and an adjacent second fold line is an inner fold area, each first fold line and an adjacent cut side The area between the two is an outer pull-out area, and the first piece and the second piece are respectively folded according to the first fold line and the second fold line, so that each Are laminated in the fold region between the table adjacent the region and the outer region pulled. The package of claim 1, wherein the connecting side of the first sheet is integrally joined to the connecting side of the second sheet. The package of claim 1, wherein the cut sides are serrated. The package of claim 1, wherein a distance between each of the cut sides and the adjacent first fold line is greater than a distance between each of the first fold lines and the adjacent second fold line. The package of claim 1, wherein the first fold lines and the second fold lines are substantially parallel to the cut sides. A method for manufacturing a package comprising the steps of: (A) preparing a long strip comprising two long sides and defining an inner side and a middle line between the equal sides; B) pressing two first fold lines and two second fold lines extending from one long side to the other long side on the long strip at a predetermined distance, the second fold lines being located at the first fold line Between the inner side of the long strip, the first fold line is a mountain line, the second fold line is a valley line, the middle line is a valley line, and according to the first fold line, the first line a second fold line, the middle line folds the long strip; (C) defines a sealing section between the adjacent two first fold lines extending from one long side to the other long side, the long type The two long sides of the strip are overlapped and sealed, and the sealing sections on both sides of the middle line are overlapped and sealed; and (D) defines a cutting line located in the sealing section, and the length is cut along the cutting line Type belt. The method of manufacturing a packaging bag according to claim 6, wherein the steps (B), (C), and (D) are performed in time series. The method for manufacturing a packaging bag according to claim 6, wherein the cutting line is Jagged. The method of manufacturing a package according to claim 6, wherein a distance between each of the cutting lines and the adjacent first fold line is greater than a distance between each of the first fold lines and the adjacent second fold line. The method of manufacturing a package according to claim 6, wherein the first fold line and the second fold line are substantially perpendicular to two long sides of the elongated strip.