JP2020014750A - Double bag structure - Google Patents

Abstract

To provide a double bag structure which can be fitted with a fastener that can be used for respective openings of inside and outside bags, increase a variety of use purposes as a double bag by combining the respective fasteners, can freely be engaged with the fasteners according to purposes, and be freely removed.SOLUTION: A double bag structure in which a variety of spaces are formed inside a double bag by fitting fasteners 21, 22 that can be used for respective openings of both inside and outside bags 20, 30, purposes of the double bag are expanded, and which can be manufactured advantageously in terms of costs without becoming complicated in comparison with a conventional double bag structure is provided, so that defects of the conventional double bag can be resolved.SELECTED DRAWING: Figure 1

Description

  The present invention attaches a zipper that can be shared to each opening of the inner and outer bags, expands the various uses of the double bag by combining each shared zipper, and also enables engagement and removal of each fastener according to the application And a double bag structure.

2. Description of the Related Art Conventionally, there are various types of double bag structures composed of a combination of an inner bag and an outer bag.
For example, Patent Literature 1 discloses that an inner bag is formed into a drawstring shape, and that an opening can be opened and closed by a tightening / relaxing action of a string passing through the periphery of the opening, and the inner bag is housed in an outer bag and A typical double bag structure is disclosed in which both bags are connected via a belt connected to the bag opening.

JP 2011-234888 A

However, this typical double bag structure simply stores the inner bag in the outer bag, and the opening of each bag is unique to each bag and has only the function of taking out and taking out of each bag. . In other words, the structure is such that only two types of space in the bag can be used: the storage space in the inner bag and the space formed between the two bags with the inner bag in the storage space in the outer bag. .
For this reason, there has been a demand for a bag that has a more effective and multifunctional use of the inner space of the outer bag while being a double bag as a double bag structure.

  In view of such circumstances, in the present invention, a fastener that can be shared is attached to each opening of the inner and outer bags, and various kinds of spaces are formed inside the double bag by a combination of engagement of the fasteners to form a double space. An object of the present invention is to provide a double bag structure in which the use of the bag is expanded and the structure is not complicated as compared with the conventional double bag structure and can be manufactured at an advantageous cost.

  The present invention provides a double bag in which, in a double bag structure in which an inner bag is housed in an outer bag, a common fastener is provided at each of the front and rear edges of the opening of each bag.

According to the first aspect of the present invention, in the double bag structure in which the inner bag is housed in the outer bag, a common fastener is provided at each of the front and rear edges of the opening of each bag, so that a basic fastener engagement mode is provided. As shown in FIGS. 2, 3, 4 and 5, a fastener engagement for disengaging a pair of fasteners at the opening of the inner bag and a pair of fasteners at the opening of the outer bag inner, respectively. As shown in FIGS. 8 and 9, both fasteners at the opening of the inner bag and both fasteners at the opening of the outer bag are engaged as a pair of fasteners, as shown in FIGS. As shown in the figure, one fastener of the inner bag and one fastener of the outer bag are engaged as a pair of fasteners, and the other fastener is engaged. As for the opener, the combination of various fasteners, such as the open state, can change the use form of the inner space between the inner bag and the outer bag to enable the use of a double bag according to the application There is an effect that can be done.
In addition, by providing the zipper having the common function at the openings of both bags, it can be changed to the above-mentioned versatile use form, so that there is an effect that it is possible to manufacture at low cost without requiring a complicated structure.

It is a perspective view showing the double bag concerning the embodiment of the present invention. It is a top view showing the form where the shared fastener concerning an embodiment of the present invention was opened. It is AA sectional drawing of FIG. 2 which shows the form which opened the shared fastener which concerns on embodiment of this invention. It is a top view showing the form where the shared fastener concerning the embodiment of the present invention was engaged with the front and back edge of the outer bag and the inner bag. FIG. 5 is a cross-sectional view taken along the line BB of FIG. 4 showing a form in which the shared fastener according to the embodiment of the present invention is engaged at the front and rear edges of the outer bag and the inner bag. It is a top view showing the form where the shared fastener concerning the embodiment of the present invention was engaged with the front edge of the outer bag and the inner bag. It is CC sectional drawing of FIG. 6 which shows the form which shared the fastener which concerns on embodiment of this invention at the front edge part of an outer bag and an inner bag. It is a top view showing the state where the shared fastener of the front and back edge part of the inner bag was engaged among the shared fasteners concerning the embodiment of the present invention. It is DD sectional drawing of FIG. 8 which shows the state which engaged the shared fastener of the front and rear edge part of an inner bag among the shared fasteners. It is a perspective view showing the fastener structure concerning the embodiment of the present invention.

  The gist of the present invention is that in a double bag structure in which an inner bag is housed in an outer bag, common fasteners are provided at the front and rear edges of the opening of each bag.

An embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a perspective view of a double bag 100 of the present invention. The double bag 100 accommodates the inner bag 30 in the outer bag 20, and common fasteners 21, 22, 31, and 32 are provided at four positions on the front edge and the rear edge of the opening of each bag 20, 30. Is provided.
The feature of the double bag 100 of the present invention lies in that the use form of various kinds of spaces in the bag can be freely changed by a combination of engagement of these four common fasteners 21, 22, 31, 32.

Next, the engagement / disengagement structure of the shared fasteners 21, 22, 31, 32 provided at these four locations will be described.
As a general structure of the common fasteners 21, 22, 31, and 32, a so-called line fastener is used, and as shown in FIG. 10, the structure is such that zippers are provided at the opening edges 23 and 33 of the outer bag 20 and the inner bag 30. Tapes 40 are provided, respectively, left and right teeth 41, 42 connected to the lateral edges of the tape 40, a slider 50 for disengaging the left and right teeth 41, 42, and left and right teeth 41. , 42 are constituted by an upper stopper 43 and a lower stopper 44 provided at the start end and the end.

  Moreover, as shown in FIG. 10, the structure of the slider 50 is a substantially triangular support 53 in which the upper and lower side plates 51, 52 having a substantially heart shape in a plan view and the upper and lower side plates 51, 52 are integrally assembled with a fixed interval. A base 54 for inserting left and right teeth 41, 42 forming one end openings of the upper and lower plates 51, 52, a tape groove 55 with a constant gap formed on the left and right side surfaces of the upper and lower plates 51, 52; It is composed of a pull 56 connected to the side plate 51.

As shown in FIGS. 1 to 9, the shared fasteners 21, 22, 31, 32 are provided as line fasteners at four locations, that is, the front edge and the rear edge of the opening edge of each bag 20, 30.
Moreover, the sliders 50 in the four common fasteners 21, 22, 31, and 32 can be attached to the four common fasteners 21, 22, 31, and 32, respectively. As shown in FIG. 1, it is also possible to attach one to the inner bag 30 and one to the outer bag 20. This can be selected according to the combination of the common fasteners 21, 22, 31, 32 as shown in FIGS. 2, 3, 4, 5, 6, 7, 8, and 9. .

  In such a case, the upper and lower stoppers 43 and 44 of the shared fasteners 21, 22, 31 and 32 are configured to be freely inserted into the base portion 54 of the slider 50, and each bag is inserted through the base portion 54 of the slider 50. It is possible to select whether one of the shared fasteners 20, 22, 31, and 32 is combined to form a pair of fasteners.

  In this manner, the four fasteners 21, 22, 31, and 32 provided on the inner bag 30 and the outer bag 20 are combined and selected via the slider 50, and FIGS. 2, 3, 4, 5, 5, and 6 are selected. A combination form of the shared fasteners 21, 22, 31, 32 shown in FIGS. 7, 8, and 9 is realized.

Such a change of the combination form is performed in accordance with the deformation of the space formation inside the bag according to the intended use.
In the drawing, reference numeral 24 denotes a handle 24 continuously provided to the outer bag 20, and reference numeral 31 denotes the shared fasteners 31, 32 at the front edge of the inner bag 30 among the shared fasteners 21, 22, 31, and 32. , 22, 31, and 32, the shared fasteners 32, 21 at the rear edge of the inner bag 30 are the shared fasteners 21, 22, 31, and 32. The shared fasteners 21, 22 at the front edge of the outer bag 20 are the shared fasteners 21. , 22, 31, and 32 respectively show the shared fastener 22 at the rear edge of the outer bag 20.

  The embodiment of the present invention is configured as described above, and a modification of the usage of the shared fasteners 21, 22, 31, 32 will be described below.

(First usage form)
As shown in FIGS. 2, 3, 4, and 5, the common fasteners 31, 32 at the opening of the inner bag 30 are detachably engaged with each other, and are provided at the opening edge 23 of the outer bag 20. By operating the fasteners 21 and 22 so as to be freely engaged and disengaged, the internal spaces of the bags 20 and 30 can be independently used as shown in the figure.

  For example, by using the form shown in FIGS. 4 and 5, it is possible to change the use form of the inner bag 30 alone as a single bag regardless of the double-structured bag. It can be changed to a convenient form such as a single bag.

  As another modified example of this usage mode, a storage object that needs to be kept cool or warm is stored inside the inner bag 30, and a cold insulator or a heat insulator is stored in the closed space between the inner bag 30 and the outer bag 20. As a result, a double bag configuration in which the stored items inside the inner bag 30 are kept cool and warm is also possible.

  As described above, the common fastener 31 provided at the opening edge 33 of the inner bag 30 and the common fastener 21 provided at the opening edge 23 of the outer bag 20 can be engaged and disengaged freely. The common fastener 32 provided in the portion 33 and the common fastener 22 provided in the opening edge 23 of the outer bag 20 are operated so as to be capable of engaging and disengaging, so that the inner bag 30 can be used mainly exclusively. Make it available as a single bag. For example, by forming the inner surface of the inner bag 30 from a water-impermeable material, the inner bag 30 can be transformed into a bag that stores wet items such as swimwear.

(Second usage form)
As shown in FIGS. 4 and 5, a second use mode of the present invention is a shared fastener 31 provided at an opening edge 33 of an inner bag 30 and a shared fastener 21 provided at an opening edge 23 of an outer bag 20. Are integrally engaged with the slider 50, and the common fastener 32 provided at the opening edge 33 of the inner bag 30 and the common fastener 22 provided at the opening edge 23 of the outer bag 20 are operated in an open state. It can be operated as a convenient internal partition bag.

(Third usage mode)
As shown in FIGS. 6 and 7, in a third mode of use of the present invention, the common fasteners 31, 32 in the opening of the inner bag 30 are engaged with the slider 50 to close the opening, and the outer bag is closed. The common fasteners 21 and 22 in the opening 20 are opened and closed so that they can be opened and closed, and the inner bag 30 is used to store valuables and other stored items in advance. The outer bag 20 can be used as a normal storage bag. It can be taken as a form.

  The operation of engaging with the common fasteners 21, 22, 31, 32 is performed by holding the upper and lower stoppers 43, 44 at the ends of the engagement teeth 41, 42 of the predetermined common fasteners 21, 22, 31, 32 within the base portion 54 of the slider 50. And the slider 50 is slid so as to engage the left and right teeth 41 and 42 of each of the shared fasteners 21, 22, 31 and 32.

  When the upper and lower stoppers 43, 44 are inserted into the base portion 54 of the slider 50, the combination of the four common fasteners 21, 22, 31, 32 is selected, and the common fasteners 21, 22, 31, 31 of each combination are selected. , 32, the upper stopper 43 or the lower stopper 44 is inserted into the base portion 54 of the slider 50, and the slider 50 slides while engaging the left and right teeth 41, 42.

  Note that the present invention is not limited to the above-described embodiment, but is disclosed in the known invention and the above-described embodiment in which the respective configurations disclosed in the above-described embodiment are replaced with each other or the combination is changed. A configuration in which each configuration is replaced with each other or a combination is changed, and the like are also included. Further, the technical scope of the present invention is not limited to the above-described embodiment, but extends to the matters described in the claims and their equivalents.

DESCRIPTION OF SYMBOLS 100 Double bag 20 Outer bag 21,22 Common fastener 23 Opening edge 24 Handle 30 Inner bag 31,32 Shared fastener 33 Opening edge 40 Zipper tape 41 Left tooth 42 Right tooth 43 Upper stopper 44 Lower stopper 50 Slider 51 Upper plate 52 Lower plate 53 Support post 54 Base 55 Tape groove 56 Puller

Claims (1)

  In a double bag structure in which an inner bag is housed in an outer bag, a common fastener is provided at each of front and rear edges of an opening of each bag.

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