JP5123110B2 - Cool case - Google Patents

Description

  The present invention relates to a cold insulation case. In particular, the present invention relates to a structure of a cold insulation case for transporting a plurality of bottles filled with chemicals while maintaining a predetermined low temperature.

  For example, a liquid called resist is filled in a so-called gallon bottle having a capacity of about 3 liters and transported. Then, in order to maintain the quality of the resist, the gallon bottle filled with the resist is accommodated in a cold insulation case kept at a predetermined low temperature. Furthermore, the cold insulation case is packed and transported in a cardboard box or the like.

  As a cold insulation case that maintains and transports a plurality of chemical bottles at low temperatures, the overall weight and volume can be made relatively small, excellent in cold insulation, and the internal temperature is maintained uniformly, In addition, a cold storage case for transportation having good workability and mechanical durability is disclosed (for example, see Patent Document 1).

The cold insulation case by patent document 1 is comprised by the outer layer which consists of nonmetals, and the inner layer part which consists of foamed resin. The inner layer part is divided into two parts so as to hold a plurality of chemical bottles. In addition, the central portion of the inner layer portion has a bottom raised to a position that is 20% or more of the height of the entire inner layer portion, and has a volume of 5 to 20% of the entire inner layer portion. An independent coolant chamber is provided. Furthermore, between the coolant chamber and each compartment, a position that is 40% or less of the height of the coolant chamber from the bottom of the coolant chamber is 1 to 4% larger than the side area of the coolant chamber. A vent hole is provided on the side surface of the coolant chamber.
JP-A-11-91828

  Example 2 of Patent Literature 1 discloses a cold insulation case in which an inner layer portion is divided into four chambers and four chemical bottles are arranged. In the cold insulation case of Example 2, since the coolant chamber is provided in the central portion so as to partition the pair of chemical bottles, the floor area of the cold insulation case is increased.

  If a plurality of chemical bottles can be accommodated without increasing the floor area of the cooling case, the number of cooling cases loaded on a pallet with a specified mounting area can be increased, and the efficiency of transportation can be improved. The above can be said to be the subject of the present invention.

  The present invention has been made in view of such a problem, and is a cold insulation case for transporting a plurality of bottles filled with chemicals or the like while maintaining a predetermined low temperature, and can improve transport efficiency. The purpose is to provide a cold insulation case.

  The present inventor houses a plurality of chemical bottles in a pair of upper and lower divided foam cases, and improves the efficiency of transportation by opening the upper part of the foam case so that cold air can flow around the bottles. Based on this finding, the inventors have invented the following new cold insulation case.

  (1) A cold insulation case for accommodating a plurality of bottles in which an opening provided at an upper end of a narrow neck projecting from an upper part of a cylindrical body is stoppered and filled with liquid chemicals, and the bottle is mounted A first storage case having a substantially rectangular parallelepiped shape having a recessed portion for storing the body portion in the height direction, and a second storage case placed in close contact with the upper surface of the first storage case, A substantially rectangular parallelepiped having a first storage chamber having an inner wall with a bottom surface open and an upper wall partly contacting with the first storage chamber, and a second storage chamber communicating with the first storage chamber and surrounding the narrow neck portion. The second storage case is a first cool air inflow passage having an upper surface opened and allowing cool air to flow therein, and the first storage case has a first cold air inflow passage penetrating into the second storage chamber. .

  The cold insulation case according to the invention of (1) accommodates a plurality of bottles filled with liquid chemicals. This bottle is stoppered at the opening provided at the upper end of the narrow neck protruding from the upper part of the cylindrical body.

  The cold insulation case according to the invention of (1) includes a substantially rectangular parallelepiped first accommodation case and a substantially rectangular parallelepiped second accommodation case. The first storage case has a recess in which the bottle is placed. This recessed part accommodates the trunk | drum of a bottle to the middle of a height direction.

  The second storage case is placed in close contact with the upper surface of the first storage case. The second storage case has a first storage chamber and a second storage chamber. The first storage chamber has an open bottom and an inner wall with which the upper portion of the body part partially abuts. The second storage chamber communicates with the first storage chamber and surrounds the narrow neck portion of the bottle.

  Further, the second storage case has a first cold air inflow passage that penetrates the second storage chamber. The first cold air inflow path has an upper surface of the second housing case opened to allow cold air to flow in.

  Here, a bottle may be comprised by the cylindrical trunk | drum and the narrow neck part which protruded to the upper part of this trunk | drum, and the opening provided in the upper end of the narrow neck part is stoppered. The cylindrical body can include any one of a right circular cylinder or a prismatic body. The upper part of the body part and the base end part of the narrow neck part may be connected by a conical inclined surface, and it becomes easy to discharge the liquid chemical filled in the inside.

  A bottle with a narrow neck is distinguished from earthenware and earthenware with a large mouth and a round body. The bottle is preferably a glass bottle, which is suitable for a container containing liquid chemicals. Moreover, this bottle does not exclude providing a handle into which a finger can be inserted into the narrow neck.

  The opening provided at the upper end of the narrow neck portion may be stoppered with a cap and a cork or a base, and can prevent leakage of liquid chemicals during transportation. Storing a bottle in a cold insulation case does not exclude packaging and storing the bottle in a chemical-resistant bag.

  The first storage case and the second storage case are preferably made of a material that is lightweight and has both heat insulating properties and buffering properties. Examples of such a material include foamed resin. Styrofoam, which is a typical foamed resin, is a kind of synthetic resin material and is polystyrene containing bubbles. Styrofoam is easy to mold and suitable as a cushioning / packaging material for easily damaged items.

  It is preferable that the first storage case and the second storage case have a shape that can be molded with a pair of opposed molds. If another mold is required beyond the pair of opposed molds, the cost of the mold is reduced. Increase.

  The first storage case having a recess in which the bottle is placed means that the standing posture of the bottle is maintained by placing the bottle in the recess. It is preferable that the inner wall of the recess is in partial contact with the body of the bottle, and it is possible to introduce cold air into the groove by providing a plurality of grooves on the inner wall of the recess.

  The fact that the second storage case is placed in close contact with the upper surface of the first storage case means that cold air is prevented from escaping from the boundary between the first storage case and the second storage case. . The top surface of the first storage case and the bottom surface of the second storage case may be in close contact with each other by providing a step to be fitted to each other, a convex portion is provided on the top surface of the first storage case, and a concave portion is provided on the bottom surface of the second storage case. It may be provided so that the convex portion and the concave portion are fitted.

  For example, the first storage chamber may form a conical inner wall whose diameter is reduced toward the upper surface by opening the bottom surface of the second storage case, and the upper portion of the trunk portion contacts. And if a 1st storage case and a 2nd storage case are fastened with a band etc., since a bottle will be clamped by the recessed part of a 1st storage case, and the 1st storage chamber of a 2nd storage case, the attitude | position of a bottle will be maintained. Is done.

  The partial contact of the inner wall of the first storage chamber with the upper portion of the trunk means that the inner wall of the first storage chamber does not seal the upper portion of the trunk, and cold air circulates around the trunk. This means that a possible passage is secured. For example, a plurality of grooves can be formed on the inner wall of the first storage chamber to communicate with the first cold air inflow path.

  Similarly, enclosing the narrow neck portion of the second storage chamber means that the inner wall of the second storage chamber does not seal the narrow neck portion, and a passage through which cool air can flow is secured around the narrow neck portion. Means. The 2nd storage chamber has penetrated toward the upper surface, and when the cold air flows into this through hole, the bottle can be kept cold.

  The cold insulation case by the invention of (1) can consider the form which arrange | positions a bottle in the four corners of a 1st storage case. In this case, unlike Example 2 of Patent Document 1, since the coolant chamber is not provided in the central portion so as to partition the pair of bottles, the floor area of the first housing case can be reduced.

  Then, as will be described later, if the cold storage box for storing the coolant is placed in the second storage case, the cool air of the coolant flows into the first cool air inflow passage, and the bottle can be kept cool. The cold box placed in the second housing case is not limited to the embodiment described below. For example, the cold box may be formed of a perforated plate or a mesh plate on the bottom surface, and dry ice or a plurality of cooling packs may be accommodated in the cold box, so that cold air flows from the bottom surface of the cold box to the first cold air inflow path. Inflow can cool the bottle.

  In the cold insulation case according to the invention of (1), an opening through which cold air can flow is provided on the upper surface without providing a coolant chamber inside, so that a plurality of cold insulation cases can be provided without increasing the floor area of the cold insulation case. Can accommodate chemical bottles. Therefore, the number of cold insulation cases loaded on the pallet having a specified mounting area is increased, and the transportation efficiency can be improved.

  (2) The second housing case is a second cold air inflow passage in which a central portion of the upper surface is opened and cold air can flow in, and penetrates from the upper surface to the bottom surface, and from the bottom surface to the first housing chamber. The cold insulation case according to (1), further including a second cool air inflow path provided with a communicating groove.

  In the cold insulation case according to the invention of (2), the second housing case has the second cold air inflow passage. The second cold air inflow passage is open at the center of the upper surface of the second housing case so that cold air can flow in. The 2nd cold air inflow passage has penetrated from the upper surface to the bottom face of the 2nd storage case, and has provided the slot connected to the 1st storage chamber from this bottom face.

  In the cold insulation case according to the invention of (2), the cold air flowing into the second cold air inflow passage flows into the first storage chamber, so that the bottle can be kept cold. Further, in the cold insulation case according to the invention of (2), since the second cold air inflow passage communicates the plurality of first storage chambers with each other, the cold insulation temperatures of the plurality of bottles can be equalized.

  (3) The cold insulation case according to (2), further comprising a cold insulation box that is placed in the second accommodation case and accommodates a coolant that sends cold air to the first cold air inflow passage and the second cold air inflow passage.

  The cold box is preferably made of the same material as the first storage case and the second storage case, and is preferably formed of foamed polystyrene. The coolant may be dry ice or a cooling pack, and the required amount or the required number of coolants are accommodated in the cool box corresponding to the transport time and the cool temperature range of the plurality of bottles.

  (4) The cold box is composed of a substantially rectangular parallelepiped body formed of a foam material having an upper surface opened and containing the coolant, and a lid body formed of a foam material that seals the opening of the body. The main body has a first cold air outlet connected to the first cold air inlet passage and a second cold air outlet connected to the second cold air inlet passage, the first cold air outlet and the second cold air The cooler case according to (3), wherein the discharge port is open at the bottom of the main body.

  In the cold insulation case according to the invention of (4), the cold insulation box is composed of a substantially rectangular parallelepiped main body and a lid. The main body is formed of a foam material, and the upper surface is opened to accommodate the coolant. The lid is formed of a foam material and seals the opening of the main body.

  In the cold insulation case according to the invention of (4), the main body of the cold insulation box has the first cold air outlet and the second cold air outlet. The first cold air outlet is connected to the first cold air inflow path. The second cold air outlet is connected to the second cold air inflow path. The first cold air outlet and the second cold air outlet are open at the bottom of the main body.

  In the cold insulation case according to the invention of (4), the cold air can surely flow into the first cold air inflow passage and the second cold air inflow passage without leaking the cold air inside the cold insulation box to the outside.

  (5) The cooling case according to (4), wherein the coolant includes a plurality of cooling packs packed with a coolant, and the main body includes a partition member in which movement of the cooling packs is difficult.

  The cooling pack has the advantage that it can be reused. By having the partition member in which the movement of the plurality of cooling packs is difficult inside the main body of the cold box, it is possible to prevent the cold temperature of the plurality of bottles from being biased.

  (6) The cold storage case according to any one of (3) to (5), wherein the first storage case, the second storage case, and the cold storage box are stacked in this order and packed in a cardboard box.

  It is preferable that the first storage case, the second storage case, and the cold storage box are stacked in this order to form a rectangular parallelepiped stack, and the stack is packed so that the outer surface of the stack is in close contact with the inner surface of the cardboard box. Is preferred. The cardboard box has a heat insulating effect because the paperboard contains an air layer, and is suitable for packing a cold insulation case.

  The cold insulation case according to the present invention is provided with an opening on the upper surface through which the cold air can flow around the bottle without providing a coolant chamber in the interior, so that the floor area of the cold insulation case is not increased and a plurality of chemicals can be used. Can accommodate bottles. Therefore, the number of cold insulation cases loaded on the pallet having a specified mounting area is increased, and the transportation efficiency can be improved.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  FIG. 1 is a longitudinal sectional view showing an embodiment of a cold insulation case according to the present invention. FIG. 2 is a perspective view of a bottle accommodated in the cold insulation case according to the embodiment. FIG. 3 is an external view of the cold insulation case according to the embodiment, FIG. 3A is a plan view of the cold insulation case, and FIG. 3B is a front view of the cold insulation case.

  FIG. 4 is a plan view of a first storage case constituting the cold insulation case according to the embodiment. FIG. 5 is a front view of the first storage case according to the embodiment. FIG. 6 is a longitudinal sectional view of the first housing case according to the embodiment, and is a view taken along the line AA in FIG. 4. FIG. 7 is a longitudinal sectional view of the first housing case according to the embodiment, and is a view taken along the line B-B in FIG. 4. FIG. 8 is a perspective view of the first storage case according to the embodiment.

  FIG. 9 is a plan view of a second housing case constituting the cold insulation case according to the embodiment. FIG. 10 is a front view of the second housing case according to the embodiment. FIG. 11 is a bottom view of the second housing case according to the embodiment. FIG. 12 is a longitudinal sectional view of the second housing case according to the embodiment, and is a view taken along the line AA in FIG. 11. FIG. 13 is a perspective view of the second storage case according to the embodiment, and the second storage case is viewed from below.

  FIG. 14 is a plan view of the main body of the cool box constituting the cool case according to the embodiment. FIG. 15 is a longitudinal sectional view of the main body of the cold box according to the embodiment, and is a view taken along the line AA in FIG. 14.

  FIG. 16 is a perspective view showing a state in which the first housing case according to the embodiment is mounted on a cardboard box. FIG. 17 is a perspective view showing a state in which the second housing case is further mounted on the cardboard box from the state of FIG. FIG. 18 is a perspective view showing a state in which a plurality of cooling packs are further accommodated in the main body of the cool box from the state of FIG.

  Initially, the structure of the cold insulation case by embodiment of this invention is demonstrated. In FIG. 1, the cold insulation case 10 accommodates a plurality of bottles G filled with liquid chemicals. As shown in FIG. 2, in the bottle G, an opening provided at the upper end of the narrow neck part g2 protruding from the upper part of the cylindrical body part g1 is stoppered with a cap g3.

  In FIG. 1 or FIG. 3, the cold insulation case 10 includes a first housing case 1 having a substantially rectangular parallelepiped shape and a second housing case 2 having a substantially rectangular parallelepiped shape. The 1st storage case 1 has the recessed part 1a in which the bottle G is mounted (refer FIG. 8). The recessed part 1a accommodates the trunk | drum g1 of the bottle G to the middle of the height direction.

  In FIG. 1 or FIG. 3, the second storage case 2 is placed in close contact with the upper surface of the first storage case 1. Referring to FIG. 12 or FIG. 13, the second storage case 2 has a first storage chamber 2a and a second storage chamber 2b. The first storage chamber 2a has an open bottom and an inner wall 21a with which the upper part of the body g1 partially abuts. The second storage chamber 2b communicates with the first storage chamber 2a and surrounds the narrow neck portion g2 of the bottle G (see FIG. 1).

  Referring to FIG. 1 or FIG. 12, the second storage case 2 has a first cold air inflow passage 21 that penetrates the second storage chamber 2b. The first cool air inflow passage 21 is open to the upper surface of the second housing case 2 so that cool air can flow in.

  Referring to FIG. 2, bottle G represents a so-called gallon bottle having a capacity of about 3 liters. The bottle G is made of a brown glass bottle and is suitable as a container for storing a resist. The upper part of the body part 1g and the base end part of the narrow neck part g2 are connected by a conical inclined surface. Further, the bottle G is provided with a handle g4 into which a finger can be inserted into the narrow neck g2. The bottle G is packaged in a chemical-resistant transparent bag g5 and accommodated in a cold insulation case 10 (see FIG. 1).

  3 to 13, the first storage case 1 and the second storage case 2 are made of foamed polystyrene that is lightweight and has both heat insulating properties and buffering properties. Styrofoam is easy to mold and suitable as a buffer / packaging material for the bottle G that is easily damaged. The 1st storage case 1 and the 2nd storage case 2 are each shape | molded by a pair of metal mold | die which opposes, The cost of a metal mold | die is made cheap.

  Referring to FIG. 1, the bottle G is placed in the recess 1 a of the first housing case 1, so that the standing posture of the bottle G is maintained. Referring to FIG. 4 or FIG. 8, a plurality of arc-shaped grooves 11a are provided on the inner wall of the recess 1a. The inner wall of the recess 1 a will be in partial contact with the body 1 g of the bottle G. And cold air is introduce | transduced into these groove | channels 11a, and the bottle G is cooled.

  Referring to FIGS. 4, 7, and 8, a concave portion 1 b that is opened in a rectangular shape is provided at the center of the first housing case 1. A temperature recorder (not shown) is accommodated in the recess 1b. The temperature keeping temperature of the bottle G can be confirmed by this temperature recorder.

  Referring to FIG. 8, the first housing case 1 is provided with a pair of steps 10 c and 10 c protruding from the upper surface at two corners on a diagonal line. On the other hand, referring to FIG. 13, the second housing case 2 is provided with a pair of steps 20 c and 20 c protruding from the bottom surface at two corners on a diagonal line. When the second storage case 2 is placed on the upper surface of the first storage case 1, the pair of steps 10 c and 10 c and the pair of steps 20 c and 20 c are fitted and can be in close contact with the upper surface of the first storage case 1 (see FIG. 3).

  Referring to FIG. 12, in the first storage chamber 2a, the bottom surface of the second storage case 2 is opened in a circular shape, and a conical inner wall 21a whose diameter decreases toward the top surface is formed. As shown in FIG. 1, the upper part of the body portion 1 g of the bottle G is in contact with the inner wall 21 a.

  If the first storage case 1 and the second storage case 2 are fastened with a band or the like in the state shown in FIG. 1, the bottle G is in the recess 1 a of the first storage case 1 and the first of the second storage case 2. Since it is pinched by the storage chamber 2a, the posture of the bottle G is maintained.

  Referring to FIG. 11 or FIG. 13, a plurality of arc-shaped grooves 21b are provided on the inner wall 21a of the first storage chamber 2a. The inner wall 21a of the first storage chamber 2a partially abuts on the upper part of the body 1g of the bottle G. And cold air is introduce | transduced into these groove | channels 21b from the 1st cold air inflow path 21, and the channel | path which can distribute | circulate cold air around the trunk | drum 1g of the bottle G is ensured.

  Referring to FIGS. 9, 11, and 13, the second housing case 2 is provided with a second cold air inflow passage 22 through which a central portion of the upper surface is opened and cold air can flow. The second cold air inflow passage 22 penetrates from the upper surface to the bottom surface of the second housing case 2. The second cold air inflow path 22 is provided with a groove 2c that communicates from the bottom surface of the second housing case 2 to the first housing chamber 2a.

  In FIG. 1 or FIG. 3, the cold insulation case 10 further includes a cold insulation box 3 placed on the second accommodation case. The cool box 3 accommodates a coolant R that sends cold air to the first cold air inflow passage 21 and the second cold air inflow passage 22 (see FIG. 9).

  In FIG. 1 or FIG. 3, the cold box 3 includes a substantially rectangular parallelepiped body 31 and a plate-like lid body 32. The main body 31 is formed of a foam material (foamed polystyrene), and the upper surface is opened to accommodate the coolant R. The lid 32 is formed of a foam material (foamed polystyrene) and seals the opening of the main body 31.

  Referring to FIG. 15, the main body 31 is provided with a pair of band-plate-shaped convex portions 31 c and 31 c protruding from the bottom surface. On the other hand, referring to FIG. 9, the second housing case 2 is provided with a pair of long recesses 20 d and 20 d that are recessed from the upper surface. The main body 31 is placed on the second housing case 2, and the pair of convex portions 31c and 31c can be fitted into the pair of concave portions 20d and 20d (see FIG. 1).

  14 and 15, the main body 31 has four first cold air discharge ports 311 opened at the bottom. The main body 31 is placed on the second housing case 2, and the first cold air outlet 311 can be connected to the opening of the first cold air inflow path 21 (see FIG. 1).

  14 and 15, the main body 31 is provided with a boss 31 a protruding from the bottom toward the opening at the center. And the 2nd cold air discharge port 312 is opened to the boss | hub 31a. The main body 31 is placed on the second housing case 2 and the second cold air discharge port 312 can be connected to the opening of the second cold air inflow path 22 (see FIG. 9).

  The coolant R shown in FIG. 1 is composed of a plurality of cooling packs packed with a coolant. 14 and 15, the main body 31 has a pair of partition members 31b and 31b that divide the inside. The pair of partition members 31b and 31b make it difficult to move the plurality of cooling packs. The boss 31a also functions as a partition member that makes it difficult to move a plurality of cooling packs.

  Next, the operation of the cold insulation case according to the embodiment of the present invention will be described.

  In the cold insulation case 10 according to the embodiment of the present invention, bottles G can be arranged at the four corners of the first storage case 1 (see FIG. 16). In this case, since the coolant chamber is not provided in the central portion so as to partition the pair of bottles as in Example 2 of Patent Document 1, the floor area of the first housing case 1 can be reduced.

  As shown in FIG. 1, when the cold box 3 for storing the coolant R is placed in the second storage case 2, the cool air of the coolant R flows into the first cool air inflow path 21 and the four bottles G Can be kept cool. The cold box placed in the second housing case 2 is not limited to the above-described embodiment. For example, the cold box may be formed of a perforated plate or a mesh plate on the bottom surface, and the cold box may contain dry ice or a plurality of cooling packs. The cold air flows from the bottom surface of the cold box to the first cold air inflow passage 21. Flows into the four bottles G.

  The cold insulation case 10 according to the embodiment of the present invention is provided with an opening on the upper surface through which the cool air can flow around the bottle G without providing a coolant chamber therein, so that the floor area of the cold insulation case is not increased. A plurality of chemical bottles G can be accommodated. Therefore, the number of cold insulation cases loaded on the pallet having a specified mounting area is increased, and the transportation efficiency can be improved.

  Referring to FIG. 13, in the cold insulation case 10 according to the embodiment of the present invention, the cold air flowing into the second cold air inflow passage 22 flows through the groove 2 c and flows into the first storage chamber 2 a. I can help. Moreover, since the 2nd cold air inflow path 22 connects the some 1st storage chamber 2a mutually, the cold insulation case 10 can equalize the cold preservation temperature of the some bottle G. As shown in FIG.

  Referring to FIG. 3, the cold insulation case 10 according to the embodiment of the present invention has a width W = 390 mm, a depth D = 390 mm, and has a square floor area. Moreover, the height H of the cold storage case 10 laminated | stacked in order of the 1st storage case 1, the 2nd storage case 2, and the cold storage box 3 is 514 mm.

  The cold insulation case 10 according to the embodiment of the present invention is packed in a cardboard box according to the following procedure. Referring to FIG. 16, first, the upper part of the cardboard box 9 is opened, and the second storage case 2 and the cold insulation box 3 placed in advance are removed from the cardboard box 9 (see FIG. 3). Next, a temperature recorder (not shown) is installed in the recess 1b.

  Next, as shown in FIG. 17, the second storage case 2 is installed. Next, as shown in FIG. 18, the main body 31 of the cold box 3 is installed, and a predetermined number of cooling packs are put into the main body 31. Next, the lid 32 is attached, the upper part of the cardboard box 9 is closed, and a series of packing operations is completed. The cold insulation case 10 packed in the cardboard box 9 is immediately transported by air.

  The cardboard box 9 according to the embodiment of the present invention has a width × depth × height of 410 mm × 410 mm × 540 mm, and 3 cardboards × 3 rows, that is, nine cardboard boxes 9 per stage can be mounted on a required pallet. About three stages can be loaded, and 27 cardboard boxes 9 can be transferred at one time by pallet.

  The cold insulation temperature of the cold insulation case 10 was verified from the data recorded in the temperature recorder built in the cold insulation race. As a result, some differences were observed in the temperature rise curves depending on the type of resist, but when the outside air temperature was 30 ° C, the appropriate temperature of 0 ° C to 20 ° C was kept for 30 hours or more and less than about 50 hours. did it. It was also confirmed that the temperature did not fall below 0 ° C. which is the lower limit temperature of the resist under the condition where the storage temperature was 5 ° C.

  The above verification was performed by putting 10 commercially available cooling packs frozen at minus 20 ° C. for 2 days or more into the cold insulation case 10. Moreover, the bottle G containing the resist used what was refrigerated for 24 hours.

  In addition, a drop test was performed in a state where the cold insulation case 10 was packed in the cardboard box 9. The cardboard box 9 was dropped from a height of 1.2 m with the top and bottom of the cold insulation case 10 shown in FIG. 3 turned upside down. As a result, the cold box 3 was broken and cracked, but the bottle G was not damaged. The cold insulation case 10 according to the embodiment of the present invention has been proved to have impact resistance.

It is a longitudinal cross-sectional view which shows one Embodiment of the cold storage case by this invention. It is a perspective view of the bottle accommodated in the cold insulation case by the said embodiment. It is an external view of the cold insulation case by the said embodiment, FIG. 3 (A) is a top view of a cold insulation case, and FIG. 3 (B) is a front view of a cold insulation case. It is a top view of the 1st storage case which comprises the cold insulation case by the said embodiment. It is a front view of the 1st storage case by the embodiment. It is a longitudinal cross-sectional view of the 1st storage case by the said embodiment, and is an AA arrow line view of FIG. It is a longitudinal cross-sectional view of the 1st storage case by the said embodiment, and is a BB arrow line view of FIG. It is a perspective view of the 1st storage case by the embodiment. It is a top view of the 2nd storage case which constitutes the cold insulation case by the embodiment. It is a front view of the 2nd storage case by the embodiment. It is a bottom view of the 2nd storage case by the embodiment. It is a longitudinal cross-sectional view of the 2nd storage case by the said embodiment, and is an AA arrow line view of FIG. It is a perspective view of the 2nd storage case by the above-mentioned embodiment, and is looking at the 2nd storage case from the undersurface. It is a top view of the main body of the cool box which comprises the cool case by the said embodiment. It is a longitudinal cross-sectional view of the main body of the cold box according to the embodiment, and is a view taken along the line AA in FIG. It is a perspective view which shows the state in which the 1st storage case by the said embodiment was mounted in the cardboard box. It is a perspective view which shows the state in which the 2nd storage case was further mounted in the cardboard box from the state of FIG. FIG. 18 is a perspective view showing a state in which a plurality of cooling packs are further accommodated in the main body of the cool box from the state of FIG. 17.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st storage case 1a Concave part 2 2nd storage case 2a 1st storage chamber 2b 2nd storage chamber 10 Cold storage case 21 1st cold air inflow path 21a Inner wall of 1st storage chamber G bottle g1 trunk | drum g2 narrow neck part

Claims (6)

A cold insulation case for accommodating a plurality of bottles in which an opening provided at an upper end of a narrow neck portion protruding from an upper portion of a cylindrical body portion is stoppered and filled with liquid chemicals,
A first housing case of a substantially rectangular parallelepiped shape having a recess on which the bottle is placed and which accommodates the body part in the height direction;
A second storage case that is placed so as to be in close contact with the upper surface of the first storage case, the first storage chamber having an inner wall in which a bottom surface is opened and the upper portion of the body part is partially in contact with the first storage case; A substantially rectangular parallelepiped second storage case having a second storage chamber communicating with the one storage chamber and surrounding the narrow neck portion,
The second housing case is a first cold air inflow passage that has an upper surface open and through which cold air can flow, and has a first cold air inflow passage that penetrates the second housing chamber.   The second storage case is a second cold air inflow passage in which a central portion of the upper surface is opened and cool air can flow in, and the groove penetrates from the upper surface to the bottom surface and communicates from the bottom surface to the first storage chamber. The cold insulation case of Claim 1 which has a 2nd cold air inflow path which provides.   The cold insulation case according to claim 2, further comprising a cold insulation box that is placed in the second accommodation case and accommodates a coolant that sends cold air to the first cold air inflow passage and the second cold air inflow passage. The cold box is composed of a substantially rectangular parallelepiped main body formed with a foam material whose upper surface is opened and containing the coolant, and a lid formed with a foam material that seals the opening of the main body.
The main body includes a first cold air outlet connected to the first cold air inlet passage, and a second cold air outlet connected to the second cold air inlet passage,
The cold insulation case according to claim 3, wherein the first cold air outlet and the second cold air outlet are open at the bottom of the main body. The coolant comprises a plurality of cooling packs packed with a coolant,
The said main body is a cold insulation case of Claim 4 which has a partition member from which the movement of these cooling packs is difficult.   The cold storage case according to any one of claims 3 to 5, wherein the first storage case, the second storage case, and the cold storage box are stacked in this order and packed in a cardboard box.

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