JP2013233983A - Cover for foldable container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cover which can be easily folded to pack a container folded in the cover.SOLUTION: A cover 2 houses a box type container 1 which can be switched between an assembled and used state and a folded state where peripheral side wall parts are folded inside to reduce height, includes: a box-like body 8A with a bottom housing a container 1A in the assembled and used state; a sheet part for a cover 8B provided successively to the upper end of a rear side sheet part 11 of the body; locking means 14a and 14b for holding a cover locking the closed state of the sheet part for the cover to each other and holding such the state; and locking means 15a and 15b for holding a cover folded state, and is configured to hold a state where the upper areas 10a, 11a, 12a and 13a of the body 8A located on an upper side than a folded container 1B set to be in the folded state in the cover 2 are flatly folded on the upper side of the folded container 1B by the locking means for holding the cover folded state.

Description

  The present invention relates to a cover for storing a box-type container that can be switched between an assembled and used state and a folded state in which a peripheral side wall portion is folded inward to reduce the height.

  As described in Patent Document 1, there is known a box-type container that can be switched between an assembled use state and a folded state in which a peripheral side wall portion is folded inward to reduce the height. When such a container is used to deliver a product that needs to be refrigerated or refrigerated, there is no problem when the container is transported by a vehicle equipped with a refrigerated or refrigerated storage room, When used outside such refrigeration or warming equipment, it is necessary to store and handle the container in a cover having a thermal insulation (heat insulation) effect. Of course, this cover must be provided with a lid that can be opened and closed, and by opening the lid, it is necessary to be able to put in and take out products from and into the container. When the container is not in use, the container is folded to increase its height. It is necessary to be able to stack in a low state.

Japanese Patent Laid-Open No. 11-1228

  As a cover that can satisfy the above-described conditions, a bottomed box-type main body that can store exactly the assembled and used container is considered to be provided with an openable / closable lid. In the case of a cover with heat insulation (heat insulation) effect, it is formed of a heat insulating material that is more rigid than cloth and soft sheets, so when not using the container, remove the container from the cover and fold the container and cover Must be stored and managed separately.

  The present invention proposes a cover for a foldable container that can solve the above-mentioned problems, and the cover for a foldable container according to the present invention according to claim 1 is an embodiment described later. In order to make it easier to understand the relationship, the reference numerals used in the description of the embodiment are shown in parentheses, and the assembled and used state and the folded side wall are folded inward to reduce the height. A cover (2) for storing a box-shaped container (1) that can be switched between a state and a bottomed box-shaped main body (8A) for storing a container (1) in an assembled and used state (1A), the main body (8A) A lid seat portion (8B) connected to the upper end of the rear seat portion (11), and a lid retaining attachment that engages and holds the closed state of the lid seat portion (8B). Means (14a, 14b), and a cover folding state holding engagement means (15a, 15b), the cover folding The upper region (10a, 11a, 12a) of the main body (8A) located above the folding container (1B) which is folded in the cover (2) by the holding state retaining means (15a, 15b). , 13a) can be held flatly folded above the folding container (1B).

  In carrying out the present invention, specifically, as described in claim 2, the lid holding engaging means (14a, 14b) includes the left and right sides of the lid seat portion (8B) and the body (8A). ) Between the upper ends of the left and right side seat portions (12, 13) and between the front side of the lid seat portion (8B) and the upper end of the front seat portion (10) of the main body (8A). Can be provided. In this case, as described in claim 3, the lid holding portion provided between the upper ends of the left and right side sheet portions (12, 13) of the main body (8A) and the left and right sides of the lid sheet portion (8B). The engaging means (14a) includes the inner side surface of the pair of left and right body side tongue pieces (16a, 16b) connected from the upper ends of the left and right side sheet portions (12, 13) of the body (8A) and the lid seat portion. Consists of hook-and-loop fasteners (17a to 18b) that are detachably attached to the upper side surfaces of the left and right sides of (8B), the upper end of the front seat portion (10) of the main body (8A) and the lid seat portion ( The lid holding engagement means (14b) provided between the front side of 8B) and the inner side surface of the lid side tongue piece (19) provided continuously from the front side of the lid sheet portion (8B) It can be configured by hook-and-loop fasteners (20a, 20b) attached to and disengaged from each other on the outer surface of the front seat portion (10) of the main body (8A).

  Further, as described in claim 4, of the upper region (10a, 11a, 12a, 13a) of the main body (8A), two sets of sheet portions (10, 11) (12, 13) facing each other. The upper region (10a, 11a) of one sheet part (10, 11) is configured to be foldable inward over the entire width, and the upper region (12a, 13a) of the other sheet part (12, 13) ) Is configured to be foldable inward so as to sandwich the upper region (10a, 11a) of the one sheet portion (10, 11) that is folded in half, and the cover folding state holding engagement means (15a 15b), the upper region (10a, 11a) of at least one of the two sheet portions (10, 11) (12, 13) facing each other is inward Constructed by a pair of upper and lower hook-and-loop fasteners (21a to 22b) (23a to 24b) that are engaged with each other when folded and hold the folded state of the upper region (10a, 11a) of the seat portion (10, 11) I can do it.

  In the case where both the configuration according to claim 3 and the configuration according to claim 4 are adopted, the upper and lower sides of the engaging means (15a, 15b) for holding the cover folded state as described in claim 5 are used. The pair of hook-and-loop fasteners (21a to 22b) (23a to 24b) are provided on the front and rear seat portions (10, 11) of the main body (8A), and a pair of upper and lower parts on the front seat portion (10) side of the main body (8A). The hook-and-loop fasteners (21a to 22b) are arranged on the front seat portion (10) of the main body (8A) in a state where the lid-side tongue piece (19) is overlapped on the outer side of the front seat portion (10) of the main body (8A). When the upper region (10a) is folded inward, it may be attached to the outer surface of the lid-side tongue piece (19) facing each other and the outer surface of the front seat portion (10) of the main body (8A). I can do it.

  Further, when both the configuration described in claim 3 and the configuration described in claim 4 are adopted, the cover folded state holding engagement means (15a, 15b) as described in claim 6 is used. The pair of upper and lower hook-and-loop fasteners (21a to 22b) (23a to 24b) are provided on both the front and rear seat portions (10, 11) of the main body (8A), and the upper and lower portions on the front seat portion (10) side of the main body (8A). The pair of hook-and-loop fasteners (20a, 25) is a lid-side tongue piece in a state where the upper regions (10a, 11a) of the front and rear seat portions (10, 11) of the main body (8A) are folded inward. When the portion (19) is overlaid on the lower region (10b) adjacent to the folding container (1B) of the front seat portion (10) of the main body (8A), the inner side surface of the lid-side tongue piece portion (19) facing each other The hook-and-loop fastener (20a) on the inner surface of the lid-side tongue piece (19) is detachably attached to the outer surface of the lower region (10b) of the front seat portion (10) of the main body (8A). The lid-side tongue piece (19) as the lid-holding engagement means (14b) It can be also used a surface fastener (20a) which is attached to the surface.

  Further, in the case of adopting the configuration according to the fifth aspect, as described in the seventh aspect, the lid seat portion (8B) is configured to form the lid holding engaging means (14a). The pair of left and right hook-and-loop fasteners (17b, 18b) attached to the upper side surfaces of the left and right sides are from the outer surface of the lid-side tongue piece (19) to the outer surface of the rear seat portion (11) of the main body (8A). A hook-and-loop fastener portion (21a, 21b) located on the outer surface of the lid-side tongue piece (19) of the pair of left and right hook-and-loop fasteners (17b, 18b) is a front seat of the main body (8A). The upper and lower hook-and-loop fasteners (21a to 22b) constituting the cover folded state holding engaging means (15a) on the part (10) side are also used as the pair of upper and lower hook-and-loop fasteners (21a and 21b). The portions (23a, 23b) located on the outer surface of the rear seat portion (11) of the main body (8A) of the hook-and-loop fastener (17b, 18b) are the covers on the rear seat portion (11) side of the main body (8A). For holding folded state Upper surface fastener (23a, 23b) of Chakushudan (15b) pair of upper and lower surface fastener which constitutes the (23a~24b) can be combined with.

  According to the configuration of the present invention described in claim 1, when the container is assembled and used, by opening the cover sheet portion of the cover, the opening portion (opening / closing of the container) accommodated in the cover is opened. When the container is equipped with a flexible lid, the lid can be opened and removed), and when the product is not being loaded or unloaded, the cover lid sheet is closed and the front side is covered. The upper end of the front sheet portion of the main body can be engaged with the lid holding engagement means, and desired effects of the cover, such as a heat insulation (heat insulation) effect, can be exhibited. When the container is no longer in use, such as when the container is empty, the upper part of the seat around the cover body that extends upward from the folded container with the container folded in the cover and lowered in height The area is folded inward and flattened on the folding container, and the folded state of the cover is held by the cover folding state holding engagement means. Of course, the cover sheet portion of the cover is closed and engaged by the cover holding engagement means.

  As described above, the entire cover can be folded so as to wrap the folded container with a simple operation, and can be integrated with the folded container in the cover. The overall planar shape at this time is almost the same as before the container and the cover are folded, and only the height is slightly higher than that of the container that is taken out from the cover and folded. Therefore, it is almost the same as the case of handling a container that is taken out from the cover and folded, and it is possible to easily transport and stack the integrated cover and container in the folded state.

  When the lid holding engagement means is configured as described in claim 2, the intended effect of the cover, such as a heat retaining (heat insulating) effect, can be more reliably exhibited. According to the configuration of claim 3, the pair of left and right main body side tongue pieces overlaps the outside of the lid sheet portion, and the lid side tongue piece portions overlap the outside of the front sheet portion of the main body. The hook-and-loop fasteners can be engaged with each other by pressing the tongue pieces, and the hook-and-loop fastener can be easily engaged with the hook-and-loop fastener compared to the case where the tongue pieces in an unstable state are on the inside. It can be done reliably. Moreover, it is conceivable to attach a handle used to lift and move the container through this cover near the upper ends of the left and right side sheet parts of the main body. In the configuration in which the tongue piece is engaged to the outside of the left and right side sheet portions of the main body, the position of the handle must be lowered or the width of the tongue piece in the height direction must be narrowed, resulting in problems in implementation. However, according to the structure of Claim 3, such a problem is not accompanied.

  Moreover, according to the structure of Claim 4, the operation | work which folds flat the upper area | region of the main body of the state which protrudes upwards rather than the folding container folded in the cover, and piles up on a folding container easily and efficiently. The hook-and-loop fastener constituting the cover folded state holding means for holding this state can be performed inside the folded cover and is not exposed to the outside of the folded cover. The hook-and-loop fastener constituting the cover folded state holding means is exposed to the outside of the main body of the cover in the unfolded and used state, but can be a hook-and-loop fastener attached to the main body sheet portion in a surface contact state. Compared to the case where a belt-shaped hook-and-loop fastener must be used, the hook-and-loop fastener does not get in the way during normal use, and it is The hook-and-loop fasteners can be securely engaged with each other simply by pressing down the folded front and rear side sheet portions from the bottom, and the folded state of the cover can be easily and reliably maintained.

  Further, according to the configuration of the fifth aspect, since the cover folded state can be maintained in a state where the lid side tongue piece is sandwiched between the folded front sheet portions, the lid side tongue piece can be swung outward. Without protruding, the entire cover and container can be beautifully folded into a cube of a predetermined size.

  Furthermore, according to the structure of Claim 6, in order only to make the length of the hook-and-loop fastener attached to the upper side surface of the right and left both sides of a lid | cover sheet | seat part in order to comprise the latching means for lid holding | maintenance, The upper surface fasteners of the pair of upper and lower surface fasteners constituting the cover folded state holding engagement means can also be used, the number of parts can be reduced, the cost can be reduced, and the surface fastener can be attached. It can be made easy.

  According to the seventh aspect of the present invention, the hook-and-loop fastener attached to the inner surface of the lid-side tongue piece is also used as the hook-and-loop fastener of the cover folded state holding means as the hook-holding engaging means. As a result, the number of parts can be reduced and the cost can be reduced, and the folded cover can be firmly held.

FIG. 1 is a perspective view showing a container in an assembled and used state and a cover for storing the container. FIG. 2 is a perspective view showing an intermediate stage of the container folding process. FIG. 3 is a perspective view showing the container in a folded state. FIG. 4 is a development view of the material sheet before sewing constituting the cover, and shows the outer surface side thereof. FIG. 5 is a rear perspective view showing the cover in the unfolded and used state. FIG. 6 is a perspective view showing an intermediate stage of the folding process of the cover. FIG. 7 is a perspective view showing a state in which the lid sheet portion of the cover storing the container in the assembled and used state is opened. FIG. 8 is a perspective view showing an intermediate stage of closing the upper lid sheet portion. FIG. 9 is a perspective view showing a state in which the upper lid sheet portion is closed. FIG. 10 is a perspective view showing a state where the container is folded in the cover. FIG. 11 is a perspective view showing an intermediate stage of folding the cover. FIG. 12 is a perspective view showing a folded state of the cover. FIG. 13 is a perspective view showing an intermediate stage of cover folding in another embodiment. FIG. 14 is a perspective view showing a cover completion state of the cover in another embodiment.

  In FIG. 1, 1 is a foldable box-type container, and 2 is a cover for storing the container 1. Since the container 1 is conventionally known as described above, its configuration will be briefly described. As shown in FIGS. 1 to 3, a rectangular bottom plate portion 3, a rectangular opening frame 4, a bottom plate are provided. Bi-foldable front and rear side walls 5a and 5b whose upper and lower ends are pivotally supported on both front and rear sides of the opening 3 and the front and rear sides of the opening frame 4, respectively. The left and right side walls 6a and 6b that are pivotally supported so that they can be stowed up in the frame 4 and the front and rear sides that are pivotally supported so that the opening of the opening frame 4 can be opened and closed on both front and rear sides of the opening frame 4. It is comprised from a pair of cover plates 7a and 7b.

  As is well known in the art, the container 1 having the above structure can be switched between the assembled and used state 1A shown in FIG. 1 and the folded state 1B shown in FIG. 3, and the assembled and used state 1A shown in FIG. The procedure for switching to the folded state 1B will be described. As shown in FIG. 2, the left and right side walls 6a, 6b are flipped up and stored in the opening frame 4, and the front and rear side walls 5a, 5b are Overlay on the bottom plate 3 while folding. As a result, the opening 4 overlaps the bottom plate 3, and the front and rear side walls 5a, 5b and the left and right side walls 6a, 6b in a folded state are accommodated in the opening frame 4, and the lid plates 7a, 7b are attached. By closing, the container 1 becomes a flat box-like folded state 1B having a low height. The lid plates 7aq and 7b can be omitted depending on circumstances.

  The cover 2 shown in this embodiment is a cover for heat insulation (heat insulation), and can be configured by sewing two sheets of heat-insulating sheet material on top of each other. The sheet material can be changed and it is not necessary to stack two sheets. Thus, as shown in FIGS. 1 and 4 to 6, the cover 2 is composed of a box-shaped main body 8 </ b> A and a cover sheet portion 8 </ b> B having a size that can store the container 1 in an assembled and used state. ing. The main body 8A includes a rectangular bottom sheet portion 9, front and rear side sheet portions 10 and 11 provided continuously from both front and rear sides of the bottom sheet portion 9, and left and right side sheets provided continuously from the left and right sides of the bottom sheet portion 9. The lid sheet portion 8B is continuously provided from the upper end of the rear sheet portion 11 of the main body 8A. FIG. 4 shows an unfolded state before sewing the left and right side sides of the front and rear side sheet portions 10 and 11 and the front and rear side sides of the left and right side sheet portions 12 and 13.

  The cover 2 includes lid holding engagement means 14a and 14b and cover folded state holding engagement means 15a and 15b. The lid holding engagement means 14a is detachably engaged between the left and right sides of the lid sheet portion 8B and the upper ends of the left and right side sheet portions 12 and 13 of the main body 8A. A pair of left and right main body side tongue pieces 16a and 16b continuously provided from the upper ends of the left and right side sheet portions 12 and 13 and an upper side surface of the left and right side sides of the lid sheet portion 8B are detachably attached to each other. The lid holding engagement means 14b is detachably engaged between the front side of the lid seat portion 8B and the upper end of the front seat portion 10 of the main body 8A. Attached to the inner side surface of the lid-side tongue piece portion 19 and the outer side surface of the front-side seat portion 10 of the main body 8A so as to be detachable from each other. It is comprised by the hook_and_loop | surface fastener 20a, 20b.The main body side tongue pieces 16a and 16b are continuously provided over the entire width of the left and right side sheet portions 12 and 13 of the main body 8A, and the lid side tongue piece portion 19 is continuous over the entire width of the front side of the cover sheet portion 8B. It is installed.

  As shown in FIG. 4, when the container 1 to be accommodated is in the folded state 1B, the front and rear side sheet portions 10 and 11 and the left and right side sheet portions 12 and 13 constituting the main body 8A of the cover 2 are containers in the folded state 1B. It is divided into upper regions 10a to 13a located above (hereinafter abbreviated as folding container 1B) and lower regions 10b to 13b adjacent to folding container 1B. The heights of the upper regions 10a to 13a are set so that the height of the upper regions 10a to 13a is smaller than half of the lateral width of the left and right side sheet portions 12 and 13. Thus, the upper regions 10a and 11a of the front and rear side seat portions 10 and 11 have mountain fold lines 10c and 11c at the boundaries with the lower regions 10b and 11b and valley fold lines 10d and 11d that cross the center position of the height. Can be folded in half. Further, the upper regions 12a and 13a of the left and right sheet portions 12 and 13 are inwardly formed by mountain fold lines 12c and 13c at the boundary with the lower regions 12b and 13b and valley fold lines 12d and 13d positioned at the center of the height. The upper regions 12a and 13a of the left and right side seat portions 12 and 13 are not folded so that this folding does not affect the folding inward of the upper regions 10a and 11a of the front and rear side seat portions 10 and 11. When the upper regions 10a and 11a of the front and rear side sheet portions 10 and 11 are folded inward on both sides of the valley fold lines 12d and 13d, the inner sides of the upper regions 10a and 11a of the front and rear side sheet portions 10 and 11 ( A pair of upper and lower triangular folds 12e, 12f and 13e, 13f overlapping the mountain shape on both the upper and lower sides are formed by a mountain fold line and a valley fold line.

  In the cover 2 configured as described above, as shown in FIG. 6, the upper regions 10 a and 10 b of the front and rear side seat portions 10 and 11 are folded while the upper regions 12 a and 13 a of the left and right side seat portions 12 and 13 are folded inward. Can be folded inward. The cover folded state holding engagement means 15a and 15b are provided to hold the upper regions 10a and 10b of the front and rear side sheet portions 10 and 11 folded inward. The engagement means 15a for holding the cover folded state of the front seat portion 10 includes a pair of left and right hook-and-loop fasteners 21a attached to the outer surfaces of both left and right ends of the lid-side tongue piece portion 19 that is overlapped on the outer upper end of the front seat portion 10. 21b and the upper region 10a of the front seat portion 10 so as to be engaged with the pair of left and right hook-and-loop fasteners 21a and 21b when the upper region 10a of the front seat portion 10 is folded inward as described above. The pair of left and right hook-and-loop fasteners 22 a and 22 b provided near the lower end, and the cover folding state holding engagement means 15 b of the rear seat portion 11 is a pair of left and right attached to the upper end portion of the rear seat portion 11. When the hook-and-loop fasteners 23a and 23b and the upper region 11a of the rear seat portion 11 are folded inward as described above, the pair of left and right hook-and-loop fasteners 23a 23b and as engaged, the rear seat portion 11 of the upper region 11a pair of surface fasteners 24a which is attached to the vicinity of the lower end of, and a 24b.

  Of the pair of upper and lower hook-and-loop fasteners 21a to 22b and 23a to 24b constituting the cover folded state holding engaging means 15a and 15b, the upper hook-and-loop fasteners 21a and 21b and 23a and 23b are lid holding engaging means. 14a is constituted by extension portions at both ends of hook-and-loop fasteners 17b and 18b attached to upper side fasteners on the left and right sides of the lid sheet portion 8B. That is, both end portions of long hook-and-loop fasteners 17b and 18b provided so as to continue from the outer surface of the lid-side tongue piece 19 to the outer surface of the upper end portion of the rear seat portion 11 are the surface fasteners 21a, 21b and 23a. , 23b.

  In the above configuration, each of the pair of hook-and-loop fasteners 17a to 18b and 20a to 24b is a well-known one in which one is a male hook-and-loop fastener and the other is a female hook-and-loop fastener. The double-sided fasteners are engaged with each other by pressing the faces together, and the engagement is released by peeling the pair of double-sided fasteners attached to each other.

  The usage method will be described. The cover sheet portion 8B of the cover 2 in the unfolded and used state is opened as shown in FIG. 1, and the container 1 in the assembled and used state is stored in the main body 8A of the cover 2 as shown in FIG. . In this state, by opening the lid sheet portion 8B of the cover 2 as shown in the figure, the pair of lid plates 7a and 7b of the container 1 in the assembled and used state is opened, and the product 1 Can be taken in and out.

  As shown in FIG. 8, in the time period when the product is not taken in and out, the lid sheet portion 8B is closed with the pair of left and right main body side tongue pieces 16a and 16b of the cover 2 opened outwardly. The lid-side tongue piece 19 of the sheet portion 8B is overlapped with the upper outer side of the front sheet portion 10 of the main body 8A. As a result, the pair of hook-and-loop fasteners 14b, that is, the hook-and-loop fasteners 20a on the inner side of the lid-side tongue piece 19 and the hook-and-loop fasteners 20b on the upper outer side of the front seat portion 10 are engaged with each other. Become. Next, as shown in FIG. 9, the pair of left and right main body side tongue pieces 16a and 16b of the cover 2 are bent inward from this state and overlapped on the left and right sides of the lid sheet portion 8B. As a result, a pair of hook-and-loop fasteners of the lid holding engaging means 14a, that is, hook-and-loop fasteners 17a and 18a on the inner side tongue pieces 16a and 16b, and hook-and-loop fasteners 17b on the left and right sides of the lid sheet portion 8B. , 18b are engaged with each other, the left and right sides of the lid sheet portion 8B and the upper end sides of the left and right sheet portions 12 and 13 of the main body 8A are engaged over the entire length, and the lid sheet portion. The front side of 8B and the upper end side of the front sheet portion 10 of the main body 8A are engaged over the entire length, and the lid sheet portion 8B completely closes the opening of the main body 8A. In this state, the container 1 accommodated in the cover 2 is kept warm by the heat insulating performance of the material sheet constituting the cover 2.

  When the container 1 is no longer used, such as when the container 1 becomes empty, the container 1 in the cover 2 is switched to the folded state 1B without being taken out. Specifically, since the material sheet constituting the cover 1 is flexible, the left and right side wall portions 6a and 6b of the inner container 1 are connected to the inside from the outside of the left and right side sheet portions 12 and 13 of the cover 2. And is housed in the opening frame 4, and the front and rear side walls 5 a and 5 b of the container 1 are pushed inwardly from the outside of the front and rear side sheets 10 and 11 of the cover 2, and the front and rear side walls 5 a and 5 b are pressed. Is folded inward and transformed into a folded state 1B shown in FIG.

  As shown in FIG. 10, when the container 1 in the cover 2 is transformed into the folded state 1B, the lid sheet portion 8B is closed as described with reference to FIGS. By means 14a, 14b, the left and right sides and the front side of the lid sheet portion 8B are engaged with the upper end sides of the left and right sheet portions 12, 13 and the upper end side of the front sheet portion 10 of the main body 8. In this state, the front and rear side sheet parts 10 and 11 are folded inward while folding the left and right side sheet parts 12 and 13 of the cover 2 inward (see FIG. 11), and finally the lid sheet part 8B is folded in the state 1B. Press onto container 1 (ie, folding container 1B). As a result, the cover 2 is folded between the folding container 1B and the cover sheet portion 8B while the upper regions 10a to 13a of the front and rear, left and right sheet portions 10 to 13 of the cover 2 are flatly folded. The state is held by the holding engaging means 15a, 15b. At this time, the lid-side tongue piece 19 is sandwiched between the upper regions 10a of the front sheet portion 10 folded inward.

  Accordingly, a pair of upper and lower hook-and-loop fasteners of the cover folded state holding means 15a, that is, a pair of left and right hook-and-loop fasteners 21a and 21b outside the lid-side tongue piece 19 and the vicinity of the lower end of the upper region 10a of the front seat 10 A pair of upper and lower surface fasteners 22a and 22b are engaged with each other, and at the same time, a pair of upper and lower surface fasteners of the cover folded state holding engagement means 15b, that is, a pair of left and right surfaces on the outer side of the upper end of the rear seat portion 11. The fasteners 23a and 23b and a pair of left and right hook-and-loop fasteners 24a and 24b on the outer side near the lower end of the upper region 11a of the rear seat portion 11 are engaged with each other. As a result, the upper regions 10a to 13a of the front and rear, left and right sheet portions 10 to 13 of the cover 2 in a state of being folded on the folding container 1B and overlaid with the lid sheet portion 8B on the upper side are located on the folding container 1B. It will be securely held in a flat and overlapping state.

  When the container 1 starts to be used again, the cover 2 is unfolded and returned to the use state by a procedure reverse to the procedure described above, and the container 1 in the folded state 1B is returned to the assembled use state 1A. When unfolding the cover 2, the pair of hook-and-loop fasteners 17 a to 18 b and 20 a to 24 b that are engaged with each other are engaged with the cover holding engagement means 14 a and 14 b and the cover folded state retention engagement means 15 a and 15 b. You just need to break the engagement.

  In the above embodiment, when the cover 2 is folded on the folding container 1B, the lid-side tongue piece 19 is sandwiched between the front sheet portion 10 that is folded inward. The upper regions 10a to 13a of the front and rear, left and right sheet portions 10 to 13 of the cover 2 may be folded on the folding container 1B in a state where the cover 19 is on the outside. In this case, a pair of left and right hook-and-loop fasteners provided on the outer side of the lid-side tongue piece 19 may be provided on the outer side of the upper end of the front seat portion 10 instead of the pair of left and right hook-and-loop fasteners 21a and 21b. As shown in FIG. 13, the lid attached to the inner side of the lid-side tongue piece 19 along the outer upper end side of the lower region 10 b of the front-side sheet portion 10 also in the sense of fixing the lid-side tongue piece 19. A hook that is paired with the hook-and-loop fastener 20a of the holding means 14b for holding, and as shown in FIG. 14, when the cover 2 is folded on the folding container 1B, the lid is in an outwardly protruding state. The hook-and-loop fastener 20 a of the lid holding engagement means 14 b attached to the inside of the lid-side tongue piece 19 is overlapped with the hook-and-loop fastener 25 by superimposing the side tongue piece 19 on the outside of the lower region 10 b of the front seat portion 10. It may be allowed to wear. According to this configuration, the cover folded state holding engagement means 15a is constituted by the surface fastener 20a of the cover holding engagement means 14b attached to the inside of the lid side tongue piece 19 and the surface fastener 25. become.

  Note that the fold lines set in the upper regions 10a to 13a of the respective sheet portions 10 to 13 are physically arranged so that the upper regions 10a to 13a of the respective seat portions 10 to 13 on the front, rear, left and right sides of the cover 2 can be folded easily and accurately. It is desirable that the structure be easily bent. For example, when the cover 2 is formed by sewing material sheets in which two sheets are overlapped, a sewing line (perforation) can be placed along the fold line at the position of the fold line. It is also possible to adopt a device such as inserting a plastic sheet or a thick cloth between two sheets of material sheets in a region surrounded by a fold line formed by lines.

  The cover for a foldable container according to the present invention is a cover that can wrap and heat the container itself when the product stored in the container needs to be kept warm (heat insulation). Can be used as a cover that can be easily folded so as to wrap the folding container.

DESCRIPTION OF SYMBOLS 1 Foldable box-shaped container 2 Cover 8A Cover main body 8B Cover sheet for cover 9 Bottom sheet part 10, 11 Both front and rear sheet parts 12, 13 Left and right both side sheet parts 10a to 13a Upper region 14a of each sheet part 14b Lid holding means 15a, 15b Cover folding state holding means 16a, 16b Body side tongue pieces 17a-18b, 20a-24b, 25 Surface fasteners 19 Cover side tongue pieces

Claims (7)

  A cover for storing a box-shaped container that can be switched between an assembled and used state and a folded state in which the peripheral side wall portion is folded inward to reduce the height, and has a bottomed box-like shape for storing the assembled and used container Main body, lid sheet portion connected to the upper end of the rear sheet portion of the main body, lid holding engaging means for engaging and holding the closed state of the lid sheet portion, and cover folded state holding A state in which the upper region of the main body located above the folding container folded in the cover is flattened on the upper side of the folding container by the fastening means for holding the cover folded state. Cover for collapsible containers, configured to hold   The lid holding engaging means is between the left and right sides of the lid sheet portion and the upper ends of the left and right side sheet portions of the main body, and between the front side of the lid sheet portion and the upper end of the front sheet portion of the main body, The foldable container cover according to claim 1, wherein the cover is detachable from each other.   The lid holding engagement means provided between the upper ends of the left and right side sheet portions of the main body and the left and right side sides of the lid sheet portion are a pair of left and right main body sides connected from the upper ends of the left and right side sheet portions of the main body. Consists of hook-and-loop fasteners that are detachably attached to the inner side of the tongue piece and the upper sides of the left and right sides of the lid sheet, and the upper end of the front seat of the main body and the front side of the lid seat The engaging means for holding the lid provided between the inner side surface of the lid side tongue piece portion and the outer side surface of the front side seat portion of the main body, which are connected from the front side of the lid seat portion, are detachable from each other. The foldable container cover according to claim 2, comprising a hook-and-loop fastener attached thereto.   Of the above-mentioned upper region of the main body, of the two sheet portions facing each other, the upper region of one sheet portion is configured to be foldable inward over the entire width, and the upper region of the other sheet portion is The cover is folded inward so as to sandwich the upper region of the one sheet portion that is folded in half, and the cover folded state holding engaging means is at least one of the two sets of sheet portions facing each other. The upper and lower regions of either one of the seat portions are formed by a pair of upper and lower hook-and-loop fasteners that are engaged with each other to hold the folded state of the upper portion of the seat portion when folded inward. The cover for a foldable container according to any one of 3 above.   The pair of upper and lower hook-and-loop fasteners of the cover folding state holding engagement means are provided on both front and rear seat portions of the main body, and the pair of upper and lower hook-and-loop fasteners on the front seat portion side of the main body has the lid-side tongue piece portion on the main body. When the upper region of the front sheet portion of the main body is folded inward in a state of being overlapped with the outer side of the front seat portion of the main body, the outer surface of the lid-side tongue piece portion facing each other and the outer surface of the front seat portion of the main body The cover for a foldable container according to claim 3 or 4, which is attached to the container.   The pair of upper and lower hook-and-loop fasteners of the cover folding state holding engaging means are provided on both front and rear seat portions of the main body, and the pair of upper and lower hook-and-loop fasteners on the front seat portion side of the main body are the front and rear seat portions of the main body. When the lid side tongue piece is overlapped with the lower region adjacent to the folding container of the front seat portion of the main body with the upper region folded inward, the inner side surface of the lid side tongue portion and the main body facing each other The hook-and-loop fastener on the inner surface of the lid-side tongue piece is attached to the outer surface of the lower region of the front seat portion of the lid-side tongue piece as the lid-holding engagement means. The cover for a foldable container according to claim 3 and 4, which also serves as a hook-and-loop fastener attached to a side surface.   The pair of left and right hook-and-loop fasteners attached to the upper side surfaces of the left and right sides of the lid seat portion for constituting the lid holding engagement means is formed from the outer side surface of the lid side tongue piece portion to the rear seat portion of the main body. A hook-and-loop fastener portion continuously attached to the outer side surface of the pair of left and right hook-and-loop fasteners located on the outer surface of the lid-side tongue piece portion is provided with the cover folding state holding engagement means on the front seat portion side of the main body. The upper surface of the pair of upper and lower surface fasteners constituting the upper surface fastener is also used, and the portion located on the outer surface of the rear seat portion of the main body of the pair of left and right surface fasteners is the cover folding on the rear seat portion side of the main body. The cover for a foldable container according to claim 5, which also serves as an upper surface fastener of a pair of upper and lower surface fasteners constituting the state holding engagement means.

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