JPH0672848U - Self-supporting packaging - Google Patents

Abstract

(57) [Summary] [Purpose] This invention makes it possible to easily open a package. According to the invention, a palm-sealing seal portion 12 is formed along the axial direction on a side surface of a flexible sheet 11 formed in a tubular shape, and the above-mentioned tubular sheet is gusset-folded with the palm-sealing seal portion as a substantially central fold line. Then, the upper and lower end portions 24 and 15 are formed by sealing the upper and lower end portions of the tubular sheet having the gusset folding portion 13.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a self-supporting package.

[0002]

[Prior art]

 There is generally known a self-supporting package body in which a flexible sheet is folded into a specific shape, seal portions are provided at both ends, and adhesive molding is performed, and the bottom portion is opened to be self-supporting. Among such self-supporting packages, the device disclosed in Japanese Utility Model Laid-Open No. 60-75236 uses two pairs of sheets (four sheets), one pair of which are opposed to each other by gusset folding, and The side edges of the four sheets are sealed together to form a tubular shape, and the upper and lower ends of the tubular sheet are sealed.

[0003]

[Problems to be solved by the device]

 However, in the self-supporting package described in the above publication, since the palm-sealing seal part is not formed in correspondence with the center fold line of the gusset fold part, there is no need to use the palm-sealing seal part to open the upper end of the self-supporting package. It does not work and requires tools such as scissors to open it.

The present invention has been made in consideration of the above circumstances, and an object thereof is to provide a self-supporting package in which the package can be easily opened.

[0005]

[Means for Solving the Problems]

 According to a first aspect of the present invention, a palm-shaped seal portion is formed along the axial direction on the side surface of a flexible sheet formed in a tubular shape, and the tubular sheet is gusset-folded with the palm-shaped seal portion as a substantially central fold line. The tubular sheet having the gusseted folds is formed by sealing the upper and lower end portions of the tubular sheet.

[0006]

[Action]

 Therefore, according to the self-supporting package according to claim 1, since the gas seal seal portion is formed corresponding to the center fold line of the gusset folding portion, when opening the upper end portion of both end portions of the packaging body, By opening the gusset fold near the upper end and pulling the joint seal, the seal at the upper end of the package can be opened. Therefore, the package can be easily opened.

[0007]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of a self-supporting package according to the present invention, and FIG. 5 is a manufacturing process diagram showing a manufacturing process of the self-supporting package of FIG.

In order to manufacture the self-supporting package 10 shown in FIG. 1, first, a flexible sheet 11 having a continuous plane shape shown in FIG. 5 (A) is folded and folded (FIG. 5 (B)), and both side end portions are formed. Are bonded together (gassho seal part 12) (FIG. 5 (C)). In this way, the sheet 11 is formed into a tubular shape by the palm-sealing seal portion 12.

Next, the tubular sheet 11 is gusset-folded so that the center fold line of the gusset fold (two-fold) is substantially aligned with the palm-sealing seal portion 12. Then, both end portions of the gusset folded portion 13 are sealed to form end face sealing portions 14A and 14B. The end face seal portions 14A and 14B are provided in parallel with each other and extend in the axial direction of the tubular sheet 11.

Next, the lower end of the tubular sheet 11 is sealed in a triangular shape to form a lower end seal portion 15. The protruding end portion 15A of the triangular lower end seal portion 15 substantially coincides with the palm-sealing seal portion 12 located at the center of the gusset folding portion 13. Further, the triangular portions 16 and 17 of the tubular sheet 11 below the lower end seal portion 15 are cut out and eliminated.

Further, the defining seal portion 18 is formed obliquely from the upper end portion of the tubular sheet 11 to one end portion of the lower end seal portion 15. By the defining seal portion 18, the tubular sheet 11 is defined into a content storage portion 19 capable of storing the content and a grip portion 20. A grip hole 21 is formed in the grip portion 20.

After that, the gusset folding portion 13 near the lower end seal portion 15 is opened, and the line portion 22 corresponding to one side of the lower end seal portion 15 is bent inward, so that the bottom portion of the tubular sheet 11 has a triangular shape. Then, the content (for example, a liquid material or a solid material) is injected into the content storage portion 19 from the upper end portion 23 of the tubular sheet 11, and the upper end portion 23 is provided with an upper end seal portion 24 and cut to stand. The sex package 10 is completed.

The upper end seal portion 24 is a portion of the upper end portion 23 of the tubular sheet 11 shown in FIG. 5D that faces the one side 13A and the other side 13B of the gusset folding portion 13, respectively. 13A and the other side 13B are adhered to each other, and the remaining facing portions are adhered to each other. The lower end seal portion 15 having a triangular shape is similarly configured. Here, the one side 13A and the other side 13B indicate both sides of the upper end portion of the gusset folding portion 13 with the center fold line (substantially coincident with the palm-sealing seal portion 12) as a boundary.

According to the above-described embodiment, as shown in FIGS. 2 to 4, in order to unseal the upper end seal portion 24 of the self-supporting package 10, open the gusset folding portion 13 near the upper end seal portion 24, The upper seal portion 24 is opened by pinching the palm-sealing seal portion 12 and pulling it in the direction of the arrow A, and the self-supporting package 10 is tilted by grasping the holding hole 21 and the contents are taken out. In this way, the self-supporting package 10 can be easily opened.

Further, the self-supporting package 10 is manufactured by continuously processing the flat continuous sheet 11 into a tubular shape, joining them, injecting the contents, joining, and cutting, so that a hand ring is formed. Is simple and can be manufactured continuously and efficiently.

The manufacturing procedure of the self-supporting package 10 is not limited to the one described above, but the sheet 11 may be cut into a predetermined size, and then the seal bonding and the filling of the contents may be performed.

FIG. 6 is a manufacturing process diagram showing a second embodiment of the self-supporting package according to the present invention.

In manufacturing the self-supporting package 30 shown in FIG. 6 (F), as shown in FIG. 6 (A), a tubular sheet 31 formed into a tubular shape from the beginning is used. That is, the tubular sheet 31 is cut to a predetermined size, and a seal portion extending in the axial direction of the sheet 31 is formed as a gas-sealing seal portion 32 on the side surface (FIG. 6B). Next, as shown in FIG. 6 (C), the gas palm seal portion 32 is gusset-folded so as to substantially coincide with the center fold line of the gusset fold, and the gusset fold portion 33 is formed. Gusset folds 34 are also formed on the tubular sheet 31 at positions facing the gusset folds 33.

Next, as shown in FIG. 6 (D), end face seal portions 35A and 35B and end face seal portions 36A and 36B are formed at both ends of the gusset folding portions 33 and 34, respectively. Then, as shown in FIG. 6 (E), a lower end seal portion 37 is formed at the lower end portion of the tubular sheet 31, and a bottom face seal portion 38 is provided at a position separated from the lower end seal portion 37 by W / 2 upward. To form. Here, the dimension W is the width of the gusset folding portion 33 as shown in FIG. 6 (F).

Further, as shown in FIG. 6E, the defining seal portion 39 is formed in an L shape on one side of the upper end portion of the tubular sheet 31. By the defining seal portion 39, the inside of the tubular sheet 31 is divided into a content storage portion 40 and a grip portion 41. A grasping hole 42 is opened in the grasping portion 41.

Thereafter, as shown in FIGS. 6 (E) and 6 (F), both the gusset folding parts 33 and 34 are opened, and the line part 43 at a position separated by W / 2 from the bottom seal part 38 is folded outward. Bending and the bottom seal portion 38 as a boundary, the portion between the bottom seal portion 38 and the lower end seal portion 37 is folded and bonded by, for example, hot melt. Next, from the upper end of the tubular sheet 31, a content such as a solid material or a liquid material is poured into the content storage section 40.

Finally, the upper end seal portion 45 is formed on the upper end portion 44 of the tubular sheet 31 to complete the self-supporting package 30. The upper end seal portion 45 includes portions 44A and 44B facing the one side 33A and the other side 33B of the gusset folding portion 33 of the upper end portion 44 of the tubular sheet 31 shown in FIG. 6D. The folds 33 are bonded to the sides 33A and 33B, respectively, and the other parts of the upper end 44 including the gusset folds 34 are bonded together. Here, the one side 33A and the other side 33B of the gusset folding portion 33 indicate both side portions of the upper end portion of the gusset folding portion 33 with the center fold line (which substantially coincides with the palm-sealing seal portion 32) as a boundary.

According to the above-described embodiment, similarly to the first embodiment, in order to open the upper end seal part 45 of the self-supporting package 30, the gusset folding part 33 near the upper end seal part 45 is opened and The upper end seal part 45 is opened by pinching and pulling the seal part 32, the grasping hole 42 is pinched, and the self-supporting package 30 is tilted to take out the contents. In this way, the self-supporting package 30 can be easily opened.

As shown in FIGS. 7 (A) and 7 (B), the self-supporting package 50 according to the modified example of the second embodiment has a hooking hole 51 as a hooking part at the upper end of the palm-sealing seal part 32. It may be opened. In this case, it is possible to open the upper end seal portion 45 more easily by putting a finger on the hook hole 51.

[0025]

[Effect of device]

 As described above, according to the self-supporting package according to the first aspect of the invention, the package can be easily opened.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of a self-supporting package according to the present invention.

FIG. 2 is a perspective view showing a work state of opening an upper end seal portion of the self-supporting package of FIG.

FIG. 3 is a partial perspective view of the self-supporting package of FIG. 2 showing a state where an upper end seal portion of the self-supporting package is opened.

FIG. 4 is a partial perspective view of the self-supporting package showing a state in which the contents are taken out from the opened upper end seal portion of FIG.

5A to 5C are manufacturing process diagrams showing a manufacturing process of the self-supporting package of FIG.

FIG. 6 is a manufacturing process diagram of a self-supporting package according to a second embodiment of the present invention.

7A is a partial perspective view showing a modified example of the self-supporting package in FIG. 6, and FIG. 7B is a side view showing a part of FIG. 7A.

[Explanation of symbols]

 10 Self-Standing Package 11 Sheet 12 Palm Sealing Part 13 Gusset Folding Part 15 Lower End Sealing Part 18 Definition Sealing Part 19 Content Storage Part 20 Gripping Part 21 Gripping Hole 24 Upper Ending Sealing Part 38 Bottom Sealing Part 51 Hooking Hole

Claims (5)

[Scope of utility model registration request] 1. A flexible sheet formed in a tubular shape is formed with a palm-sealing seal portion along the axial direction on the side surface, and the above-mentioned tubular sheet is gusset-folded with the palm-sealing seal portion as a substantially central fold line. A self-supporting packaging body configured by sealing both upper and lower ends of a tubular sheet having a fold portion to form a seal portion. 2. The self-supporting package according to claim 1, wherein a hooking portion is formed on the palm-sealing seal portion near the upper end portion of the tubular sheet. 3. The self-supporting package according to claim 1, wherein a defining seal portion is formed near the upper end of the tubular sheet to define a content storage portion and a grip portion. 4. The self-supporting package according to claim 3, wherein a holding hole is formed in the holding portion. 5. A bottom surface seal portion is formed in the vicinity of the lower end portion of the tubular sheet at a position separated from the lower end portion by about half the width of the gusset folding portion. The self-supporting package described in.