JP6595976B2 - Foam box - Google Patents

Description

  The present invention relates to a foaming box that accommodates long fruits and vegetables such as asparagus.

  Conventionally, various investigations have been made on foam boxes used for housing perishable fruits and vegetables such as asparagus. For example, an airtight container is known in which a slope is formed on the inner surface of a bottom wall and a lid member in accordance with the shape of asparagus having a thick root and a thin tip (see, for example, Patent Document 1). This hermetic container includes a rectangular container body having an opening on one side and a lid body that closes the opening of the container body in an airtight state. When packing fruits and vegetables such as asparagus, the length of the container body After lying down so that the direction is horizontal and accommodating the fruits and vegetables with the opening facing upward, the opening is closed with a lid. And at the time of conveyance, it is set | placed vertically so that the longitudinal direction of a container main body may become perpendicular | vertical. In this way, by storing and transporting fruits and vegetables in an upright position, the stored fruits and vegetables can be prevented from being damaged by their own weight, and maintain the freshness for a long time in line with the physiological function of the plant. Can do.

  However, fruit vegetables such as asparagus release ethylene gas and water vapor, and when these gases are accumulated in the container, the freshness of the fruit vegetables may be lowered. Therefore, a foam box provided with a vent so that gas can be discharged from the inside of the container body to the outside is known (for example, see Patent Document 2). In this foam box, when the lid member is molded, the wall portion and the abutting portion, which form the main body of the lid member, are integrally formed through a thin-walled portion that is thinner than the elastic portion. The said thin part is fractured | ruptured by pressing an abutting part outward at the time of packing. Thus, the contact portion is connected to the wall portion at the base portion having the elastic portion, while the peripheral portion other than the base portion is separated from the wall portion by the breakage of the thin portion, and is formed on the outer surface of the wall portion. It can be moved outward within. The vent hole is provided at the upper end corner of the lid member, and also functions to appropriately discharge the air in the container so that the abutting part is movable while maintaining airtightness in the container. .

Utility Model Registration No. 2550309 JP 2014-234235 A

  However, in the above-mentioned foaming box, since the vent hole is provided at the upper end corner of the lid member, for example, when ice is covered from the top of the foam box or water is poured during transport, There is a risk of water entering the container.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a foam box that can suppress water from entering the container during shipping and transportation.

In order to achieve the above object, the present invention is a foaming box comprising: a container main body for storing a container; and a lid member provided on a side surface of the container main body and attached to a substantially rectangular opening in front view. The container body has a fitting convex portion formed so that the inner side protrudes from the outer side at the peripheral edge of the opening, and the lid member is at the peripheral edge facing the opening. A fitting recess that is formed so that the inside is depressed more than the outside and is fitted with the fitting projection, the fitting recess being an outer edge portion that forms an outer wall of the fitting recess, and the fitting An inner plate portion that forms an inner wall of the recess and is fitted into the opening of the container body, a vertical surface that forms a bottom surface of the fitting recess, and a corner portion of the fitting recess that is formed in the vicinity of the corner of the container body. A vent groove that communicates, and the outer edge is an R-shaped surface with rounded corners on its outer peripheral surface, A ventilation hole communicating with the ventilation groove, wherein the ventilation hole is formed on a peripheral surface of the outer edge facing the outer peripheral edge of the opening, and on the R-shaped surface. It possesses a vent that opens to the outside, a at a position close to the vertical side surface of the lid member, the vent passage, characterized in that it has a bent portion which is bent upward than the horizontal position of the vent

  In the foam box, the vent is preferably provided in the vicinity of a corner formed by the top surface and the vertical side surface of the lid member.

  In the foam box, the lid member includes a concave portion dug inward from the outer surface of the plate-like wall portion, and a contact portion that protrudes inward from the inner surface of the wall portion and comes into contact with the contents. Preferably, the contact portion is separated from the wall portion except for a base portion that connects the contact portion and the wall portion, and can be moved outward in the recess.

  According to the foaming box of the present invention, the vent is opened in the horizontal direction at a position close to the vertical side surface of the lid member in the R-shaped surface, so that water enters the container from the vent. Can be suppressed.

(A) is a perspective view which shows the state which isolate | separated the container main body and lid member of the foaming box which concerns on one Embodiment of this invention, (b) shows the state which attached the lid member to the container main body and set it horizontally. A perspective view and (c) are perspective views showing the state where (b) was installed vertically. (A) is a front view of a container main body, (b) is a rear view, (c) is a top view, (d) is a bottom view, and (e) is a side view. (A) is the sectional view on the AA line of Fig.2 (a), (b) is the sectional view on the BB line, (c) is the sectional view on the CC line. (A) is the perspective view which set | placed the front of the cover member upward, (b) is the perspective view which set the back surface upward. (A) is a front view of a lid member, (b) is a rear view, (c) is a top view, (d) is a bottom view, and (e) is a side view. (A) is the DD sectional view taken on the line of FIG.5 (b), (b) is the EE sectional view taken on the line of FIG.5 (a), (c) is the FF sectional view taken on the line. (A) is a cross-sectional view corresponding to FIG. 6 (a) in a state where the thin-walled portion is broken, (b) is a cross-sectional view corresponding to FIG. 6 (b), and (c) is a dashed-dotted line portion of (a). Enlarged view. The enlarged view of the dashed-dotted line part of Fig.5 (a). Sectional drawing which shows the state which attached the cover member to the container main body and set it horizontally. (A) is a perspective view of the back surface of the lid member, (b) is an enlarged view of the H portion of (a), (c) is an enlarged view of the G portion of FIG. 5 (b), and (d) is an enlarged view of (c). II sectional view taken on the line. The perspective view which shows the state which attached the cover member to the container main body and set it horizontally. The figure which shows the modification of the ventilation flow path of a cover member.

  A foam box according to an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1A to 1C, the foam box 1 includes a container main body 2 that stores a stored material such as asparagus, and a lid member that is attached to an opening 20 provided in the container main body 2. 3. After packing fruit and vegetables such as asparagus, the foaming box 1 is stored in a state in which the contents are laid down with the opening 20 facing upward, as shown in FIGS. The opening 20 is closed by the lid member 3. Moreover, at the time of conveyance, as shown in FIG.1 (c), it is set | placed vertically so that a stored thing may be in the state which stood up and down. In the following description, the direction facing the outer surface of the lid member 3 is the front (see FIG. 1C).

  The container body 2 and the lid member 3 are both substantially rectangular in a front view, and are chamfered so that the four corners are rounded. The container main body 2 and the lid member 3 are molded articles of a foamed synthetic resin. For example, a foaming particle of a thermoplastic resin is filled in a mold, heated, foamed, and integrally molded. The thermoplastic resin is, for example, a styrene resin, or may be a composite resin in which another resin such as an olefin resin is mixed with the styrene resin.

  As shown in FIGS. 2A to 2E and FIGS. 3A to 3C, the container body 2 has a rectangular bottom plate 21 whose one side is longer than the other side (FIGS. 2D and 3). (B)), wall plates 22 and 23 (FIGS. 2E and 2B) standing around the bottom plate 21, and a top plate 24 facing the bottom plate 21 (FIGS. 2C and 3B). c)). The wall plate 22 forms a side surface of the container body 2 and has a rectangular shape in which the vertical side is longer than the horizontal side when in a vertically placed state. In addition, the wall board 22 is a left-right symmetric shape (FIG.2 (e)). On the other hand, the wall board 23 comprises the back surface of the container main body 2 (FIG.2 (b)).

  The opening 20 is formed by a peripheral edge on the side opposite to the wall plate 23 among the four sides of the bottom plate 21, each wall plate 22, and the top plate 24 (see also FIG. 1A). On the periphery of the opening 20, a fitting convex portion 20 a that fits with a fitting concave portion 35 (see FIG. 4B described later) formed in the lid member 3 is formed (FIG. 2C). d)). The fitting convex part 20a is formed so that the inner side protrudes from the outer side at the periphery of the opening part 20 (see also FIG. 1A). A convex edge 20b protruding slightly outward is formed on the outer edge of the fitting convex part 20a (FIG. 2 (d)), and a concave groove 35a (see FIG. 2) formed in the fitting concave part 35 of the lid member 3 is formed. 4 (b)), the hermeticity in the container can be improved.

  On the outer surface of the bottom plate 21 and the top plate 24 on the wall plate 23 side, inwardly recessed handle portions 21a and 24a are respectively provided. The handle portions 21a and 24a are used when the container body 2 is carried in a horizontal state (see FIG. 1A). Moreover, the insertion part 24b used in order to remove the cover member 3 from the container main body 2 at the time of taking out a thing is formed in the outer surface by the side of the opening part 20 of the top plate 24 (FIG.1 (c)). FIG. 2 (c)).

  On the edge of each wall plate 22 on the opening 20 side, there is a concave side portion 22a that fits into a convex side portion 34 (see FIG. 4A described later) projecting in a trapezoidal shape from both side portions of the lid member 3. It is formed (FIGS. 1A and 2E). As shown in FIG. 1C, the foam box 1 has one side surface of the foam box 1 at the time of conveyance, so that the convex side portion 34 of the lid member 3 and the concave side portion 22 a of the container body 2 are provided. Are fitted to each other in a three-dimensional manner so that the lid member 3 is not easily detached from the container main body 2. Moreover, the notch 22b is formed in the edge part on the opposite side to the concave side part 22a of each wall board 22 (FIG. 1 (a), FIG.2 (e)). The notch 22b is used for carrying the container body 2 like the handle portions 21a and 24a.

  The wall plate 23 becomes a bottom plate when placed horizontally during packing of the contents, and an arrow indicating the arrangement direction of the contents is formed on the inner surface. Further, on the inner surface of the wall plate 23, there is formed a container side contact portion 23a that is inclined with respect to the wall plate 23 and protrudes inward to contact with the contents (FIG. 2 (a), FIG. 3 (a)). When the lid member 3 is mounted, the container side abutting portion 23a faces the abutting portion 33 on the lid member 3 side (see FIGS. 4B and 9 described later). The container-side contact portion 23a is formed so that the protruding height increases from the bottom to the top in accordance with the shape of asparagus having a thick root and a thin tip.

  A concave portion 23b is formed on the outer surface of the wall plate 23 to suppress the thickness of the container side contact portion 23a (FIGS. 2B and 3A). Moreover, the recessed part 23c corresponding to the fitting convex part 20a is formed in the peripheral part vicinity of the outer surface of the wall board 23 so that it may be stabilized when only the container main body 2 is piled up (FIG.2 (b)). . In addition, the arrow and the character which show the arrangement direction of a thing are also formed in the outer surface of the wall board 23. FIG.

  On the inner surfaces of the wall plate 22 and the wall plate 23, a plurality of irregularities 22c and 23d are formed in the horizontal direction in the vertically placed state (FIGS. 2A and 3A). Concavities and convexities 22c and 23d prevent laterally-sliding contents from being slid when packing the contents, and also prevent the contents from moving up and down when the foam box 1 is vertically placed during transportation. It is possible to suppress the damage of the contents. In addition, on the inner surface of the wall plate 22, a scale serving as a guide for the load amount of the contents is formed. On the inner surface of the bottom plate 21, lattice-like irregularities 21b are formed (FIG. 3B). The unevenness 21b serves as a slip stopper that suppresses the movement of the contents in the vertical direction during conveyance. Further, the unevenness 21b is high on the opening 20 side and low on the wall plate 23 side. Therefore, even if the contents are slightly inclined toward the wall plate 23 and the lid member 3 is unintentionally removed, the contents can be prevented from jumping out of the container.

  As shown in FIGS. 4A and 4B, the lid member 3 includes a plate-like wall portion 31 constituting the main body, a recess 32 dug inward from the outer surface of the wall portion 31, and the wall portion 31. And an abutting portion 33 that projects inward from the inner surface of the wall portion 31 and abuts against the contents. Similar to the container-side contact portion 23a, the contact portion 33 is formed so that the protruding height increases from the bottom to the top in accordance with the shape of asparagus having a thick root and a thin tip. The recess 32 is also formed so that the digging depth increases from the lower side to the upper side of the lid member 3.

  Further, the lid member 3 has a convex side portion 34 protruding in a trapezoidal shape inward from both side portions of the lid member 3. The convex side portion 34 is fitted to the concave side portion 22a (FIG. 2 (e)) of the container body 2. Of the outer surface of the lid member 3, a concave portion 31 a notched in a shape corresponding to the convex side portion 34 is formed at the edge facing the convex side portion 34 so that a plurality of the lid members 3 can be stably stacked. Has been. Further, on the outer surface of the lid member 3, a handle portion 31b and an arrow or the like indicating the arrangement direction of the contents are formed.

  As described above, the fitting concave portion 35 that fits with the fitting convex portion 20a of the container body 2 is formed on the peripheral edge of the inner surface of the lid member 3 (FIG. 4B). The fitting recess 35 is formed so that the inner side is depressed more than the outer side at the peripheral edge facing the opening 20. In addition, a concave groove 35 a that engages with the convex edge 20 b of the fitting convex portion 20 a is formed on the inner side surface of the fitting concave portion 35.

  As shown in FIGS. 5A to 5E and FIGS. 6A to 6C, the contact portion 33 is formed by removing the base portion 33a that connects the contact portion 33 and the wall portion 31 and the base portion 33a. It has a thin portion 33 b that connects the outer edge portion of the contact portion 33 and the inner edge portion of the recess portion 32, and a groove portion 36 that is formed along the inside of the thin portion 33 b on the outer surface of the contact portion 33. The contact portion 33 has an elastic portion 33c that is formed on the outer surface of the contact portion 33 and elastically deforms to urge the contact portion 33 inward when it comes into contact with an object.

  The base portion 33 a is gently inclined with respect to the wall portion 31, the lower end portion thereof is smoothly connected to the wall portion 31, and both edge portions thereof are connected to the inner edge portion of the recessed portion 32. The thin-walled portion 33 b connects both the side edges and the upper edge of the outer edge portion of the contact portion 33 and the inner edge portion of the concave portion 32 when the lid member 3 is molded. 6A and 6B show a configuration in which the upper edge of the contact portion 33 and the upper inner edge of the recess 32 are connected by a thin portion 33b.

  The recess 32 has a deep slit near the periphery of the contact portion 33, and the contact portion 33 on the inner side protrudes outward from the container and is thick. The elastic portion 33c is a cut formed on the outer surface of the abutting portion 33 that is thick so as to extend in the width direction. In this example, two cuts are formed. Further, the elastic portion 33c is formed so that the opening of the cut increases from the inside toward the outside so that the contact portion 33 can be given a large elasticity.

  The thin portion 33b is easily broken by pushing the contact portion 33 from the inside to the outside when the lid member 3 is attached to the container body 2. As a result, as shown in FIGS. 7A and 7B, the contact portion 33 is separated from the wall portion 31 except for the base portion 33 a and can move outward in the recess 32. Further, as shown in FIG. 7C, a convex portion 33 d is provided on the upper edge of the contact portion 33. On the other hand, the concave portion 32 is formed with a concave restricting portion 32a in which the convex portion 33d of the abutting portion 33 is fitted on the upper edge surface and the outward movement of the abutting portion 33 is regulated by abutting with this. Has been. Thereby, for example, even if the contained object pushes the contact portion 33 outward due to shaking during conveyance, the contact portion 33 is not pushed outward from the recess 32, and the airtightness in the container is kept. Can be secured.

  As shown in FIG. 8, the groove portion 36 includes a vertical groove 36 a formed along both side edges of the peripheral edge portion of the contact portion 33. Even in a conventional foam box, for example, the foam box described in Patent Document 2, a certain degree of slidability between the upper edge portion of the contact portion and the upper edge portion of the concave portion is ensured by the elastic portion. However, the outer dimension of the side edge part of the contact part and the inner dimension of the side edge part of the recess 32 are almost the same, and the slidability between them is not sufficient, and the cushion is sufficient to hold the contents. In some cases, it was not possible to obtain sex. On the other hand, in the foam box 1 of the present embodiment, the longitudinal grooves 36 a formed on both side edges of the peripheral portion of the contact portion 33 are such that the side edge portion of the contact portion 33 contacts the side edge portion of the recess 32. It gives elasticity that allows sliding. Accordingly, when the lid member 3 is formed, it is connected by the thin portion 33b, and the contact portion 33 having almost the same size as the side edge surface of the recess 32 can be appropriately slid within the recess 32 without damaging the contents. Sufficient cushioning can be obtained for holding.

  Further, in the present embodiment, the groove portion 36 includes a lateral groove 36 b formed along the upper edge of the peripheral edge portion of the contact portion 33. The lateral groove 36b provides elasticity necessary for the upper edge of the contact portion 33 to slide while contacting the upper edge of the recess 32. Therefore, the slidability of the contact portion 33 with respect to the concave portion 32 can be improved more effectively than the elastic portion 33c. Moreover, the groove part 36 is formed so that it may become deeper than the cutting depth of the thin part 33b (refer FIG.6 (b)). Thereby, even if the opening area of the groove part 36 is small in the outer surface of the contact part 33, the appropriate elasticity which enables the contact part 33 to slide can be given. Although the groove portion 36 is deeper than the depth of the cut of the thin portion 33b, the groove portion 36 does not penetrate to the inner surface of the contact portion 33, and as shown in FIG. The thickness is given.

  Further, as shown in FIG. 8, in the groove portion 36, the vertical groove 36a is preferably formed to extend upward from the horizontal groove 36b. As described above, the slidability between the upper edge portion of the contact portion 33 and the upper edge portion of the recess portion 32 can be secured to a certain degree by the elastic portion 33c, but the side edge portion of the contact portion 33 and the recess portion 32 can be secured to each other. The slidability between the side edges depends on the longitudinal groove 36a. Therefore, by providing a longer length of the vertical groove 36a, sufficient elasticity that enables the contact portion 33 to slide in the recess 32 can be effectively provided.

  As shown in FIG. 9, the container main body 2 has a convex portion 23 e that is formed on the inner side surface (wall plate 22) and restricts the inward movement of the contact portion 33. The wall plate 22 is provided with a plurality of projections and recesses 23d in the horizontal direction and formed so as to stay inward of the opening 20, and the horizontal end of the projection of the projections and depressions 23d functions as the projection 23e. To do. Of the plurality of concaves and convexes 23d, the upper one is formed so that the protruding height with respect to the wall plate 22 is increased, and the convex part 23e which is the horizontal end thereof has a thickness sufficient to regulate the contact part 33. is doing. By providing the convex portion 23e, for example, even when the abutting portion 33 is pushed inward due to an external factor, the convex portion 23e regulates the inward movement of the abutting portion 33. It is possible to suppress the stored object from being unnecessarily pressed by the contact portion 33.

  As described above, fruit vegetables such as asparagus release ethylene gas and water vapor, and when these gases are accumulated in the container, the freshness of the fruit vegetables may be reduced. Therefore, in the foam box 1 of the present embodiment, a ventilation mechanism is provided so that gas can be released from the inside of the container body 2 to the outside. This ventilation mechanism is a pressure adjustment mechanism that adjusts the pressure in the container by appropriately discharging the air in the container so that the abutment portion 33 can slide while maintaining the airtightness in the container. Also works. Hereinafter, the ventilation mechanism in the foam box 1 of this embodiment will be described with reference to the drawings.

  As shown in FIGS. 10 (a) to 10 (d), the fitting recess 35 of the lid member 3 forms an outer edge 35 b that forms the outer wall of the fitting recess 35 and an inner wall of the fitting recess 35. It has the inner-plate part 35c fitted in the opening part 20 (refer Fig.1 (a)), and the vertical surface 35d which comprises the bottom face of the fitting recessed part 35. FIG. A concave groove 35a that engages with the convex edge 20b of the fitting convex part 20a is formed at a position close to the vertical surface 35d in the outer edge part 35b.

  The fitting recess 35 has ventilation grooves 37a, 37b, and 37c (generally referred to as ventilation grooves 37) that are formed near the corners thereof and communicate with the inside of the container body 2 (see FIG. 9). Further, the outer edge portion 35 b of the fitting recess 35 has an R-shaped surface 3 r with rounded corners on the outer peripheral surface, and has a ventilation hole 38 communicating with the ventilation groove 37. The ventilation mechanism in the foam box 1 of the present embodiment is formed by the ventilation groove 37 and the ventilation hole 38.

  The ventilation groove 37 is formed in the inner plate portion 35c and extends in the mounting direction of the lid member 3, and the second ventilation groove 37b in which the vertical surface 35d is dug outward and communicates with the first ventilation groove 37a. And a third ventilation groove 37c formed in the outer edge portion 35b and communicating with the second ventilation groove 37b.

  The first ventilation grooves 37a are semicircular cutouts, and are provided at two locations near one corner of the inner plate portion 35c. The outer peripheral surface of the inner plate portion 35c is in close contact with the inner edge of the fitting convex portion 20a of the container body 2 except for the first ventilation groove 37a. In the second ventilation groove 37b, the portion corresponding to the corner of the lid member 3 in the vertical surface 35d is dug deeper to the outside of the container than the other portions, and the fitting convex portion 20a of the container body 2 is formed. Among these, a slight gap is formed between the lid member 3 and the peripheral surface facing the front. The vertical surface 35d is also in close contact with the peripheral edge of the fitting convex portion 20a except for the second ventilation groove 37b. The third ventilation groove 37c is a semicircular cutout formed at the corner of the fitting recess 35 in the outer edge 35b. The outer edge portion 35b is also in close contact with the outer edge of the fitting convex portion 20a except for the third ventilation groove 37c.

  The vent hole 38 is vented to the outside at a position close to the vertical side surface 3v of the lid member 3 in the R-shaped surface 3r, and a vent channel 38a formed on the peripheral surface of the outer edge portion 35b facing the opening portion 20. And a mouth 38b.

  As described above, in the foam box 1 of the present embodiment, since the ventilation member 37 and the ventilation hole 38 are provided in the lid member 3, when the lid member 3 is attached to the opening 20 of the container body 2, It is possible to prevent the freshness of the packed fruits and vegetables from being reduced by releasing a gas such as ethylene gas or water vapor. Moreover, since the pressure in a container can be adjusted suitably, the contact part 33 can acquire moderate slidability in order to hold | maintain the stored thing without damaging it. Further, when the lid member 3 is attached to the opening 20 of the container body 2, the air in the container is released to the outside, so that the force required to attach the lid member 3 can be reduced.

  The vent hole 38b is opened at a position close to the vertical side surface 3v of the lid member 3 in the R-shaped surface 3r. That is, since the vent 38b is opened in a substantially horizontal direction, for example, even when ice is covered from the top of the foaming box 1 or when water is poured during transportation, water can be supplied from the vent 38b. Intrusion into the inside can be suppressed. In this embodiment, since the ventilation groove 37 and the ventilation hole 38b are both provided in the lid member 3, it is not necessary to modify the container body 2 itself, so that the shape of the opening is suitable. If so, the conventional container body can be reused, and the occurrence of unnecessary inventory can be suppressed.

  The ventilation channel 38a has a bent portion 38c that is bent upward from the horizontal position of the ventilation port 38b (see FIG. 10C). Therefore, even if water enters from the vent 38b, it is blocked by the bent portion 38c, and water can be prevented from entering the third vent groove 37c from the vent channel 38a.

  Further, as shown in FIG. 11, the vent 38b is provided in the vicinity of a corner formed by the upper surface 3u and the vertical side surface 3v of the lid member 3. In the state where the contents are accommodated, an empty space is created above the inside of the container. Therefore, by providing the vent 38b above the lid member 3, air is smoothly discharged from above the inside of the container via the ventilation groove 37. can do. In addition, at the lower position in the container, there is a possibility that the ventilation groove 37 and the ventilation hole 38b are clogged due to water, dust residue, etc. discharged from the stored items. On the other hand, if the ventilation groove 37 and the ventilation hole 38b are provided above the lid member 3, there is little possibility of clogging, and the air in the container can be discharged continuously.

  Further, the third ventilation groove 37c is provided at one place per corner of the outer edge part 35b, whereas the first ventilation groove 37a is provided at two places near one corner of the inner plate part 35c. Thereby, the inside of a container, the 1st ventilation groove 37a, and the 2nd ventilation groove 37b have high communication nature, and the pressure difference between them becomes small. Therefore, even if the abutting portion 33 is pushed inward, air gradually flows from the inside of the container into the second ventilation groove 37b via the first ventilation groove 37a, and the lid member 3 is prevented from being detached from the container body 2. can do.

  FIG. 10C shows a configuration in which the bent portion 38c has a curved shape. However, the present invention is not limited to this configuration. For example, as shown in FIG. It may be formed in a saw blade shape in which different straight sides are combined.

  The present invention is not limited to the above embodiment, and various modifications can be made. As the shape of the bent portion 38c, a curved shape is shown in FIG. 10C and a straight shape is shown in FIG. 12, but the curved portion 38c is configured so that a part of the ventilation channel 38a is located at a horizontal position of the ventilation port 38b. As long as it is bent upward, it is not limited to the above two examples, and may be a combination of a curved shape and a linear shape, for example. As described above, the vent hole 38b opens at a position close to the vertical side surface 3v of the lid member 3 in the R-shaped surface 3r, and is not on the vertical side surface 3v below the R-shaped surface 3r. . When the plurality of foam boxes 1 are placed beside the vertical side surface 3v, the vertical side surface 3v may come into contact with another adjacent foam box. Therefore, the vent 38b can be prevented from being closed by the vertical side surface of another foaming box by opening the vent 38b with a slightly curved R-shaped surface 3r. Further, the vent hole 38b is not opened at a position close to the upper surface 3u of the lid member 3 in the R-shaped surface 3r. When the plurality of foam boxes 1 are stacked vertically, the upper surface 3u may come into contact with another foam box loaded thereon. The vent 38b is opened near the vertical side surface 3s of the R-shaped surface 3r, thereby preventing the vent 38b from being closed by the lower surface of another foam box.

DESCRIPTION OF SYMBOLS 1 Foaming box 2 Container body 20 Opening part 20a Fitting convex part 3 Lid member 31 Wall part 32 Recessed part 32a Control part 33 Contact part 35 Fitting concave part 35b Outer edge part 35c Inner plate part 35d Vertical surface 37 Ventilation groove 37a 1st ventilation Groove 37b Second ventilation groove 37c Third ventilation groove 38 Ventilation hole 38a Ventilation flow path 38a
38b Vent 38c Bent part 3r R-shaped surface 3u Upper surface 3v Vertical side

Claims (3)

A foaming box comprising: a container main body for storing the contents; and a lid member provided on a side surface of the container main body and attached to an opening having a substantially rectangular shape in front view.
The container body has a fitting convex portion formed so that the inner side protrudes from the outer side at the periphery of the opening,
The lid member has a fitting recess that is formed so that the inner side is recessed more than the outer side at the peripheral edge facing the opening, and is fitted with the fitting projection.
The fitting recess includes an outer edge portion that forms an outer wall of the fitting recess, an inner plate portion that forms an inner wall of the fitting recess and is fitted into the opening of the container body, and a bottom surface of the fitting recess. A vertical surface and a ventilation groove formed near the corner of the fitting recess and communicating with the inside of the container body,
The outer edge portion has a rounded rounded corner at the outer peripheral surface, and has a vent hole communicating with the vent groove,
The vent hole is formed on the outer edge of the outer peripheral surface of the outer edge of the opening facing the outer peripheral edge, and on the outer surface at a position close to the vertical side surface of the lid member on the R-shaped surface. opening the air vents and, to possess,
The foaming box , wherein the ventilation channel has a bent portion bent upward from a horizontal position of the ventilation port . The foaming box according to claim 1, wherein the air hole is provided in the vicinity of a corner formed by an upper surface and a vertical side surface of the lid member . The lid member has a concave portion dug inward from the outer surface of the plate-like wall portion, and an abutting portion that projects inward from the inner surface of the wall portion and comes into contact with an object.
The said contact part is isolate | separated from the said wall part except the base part which connects the said contact part and the said wall part, and it can move outward in the said recessed part. 2. A foaming box according to 2.

Images