JP2006315690A - Closing member, and conveyance container using the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a closing member, and an inexpensive conveyance container capable of ensuring the sealability of an opening of a bag container in an opening/closing manner by using the same. <P>SOLUTION: There is provided a container frame 1 and a resin film bag container 3 to be stored therein. A flat strip-shaped opening part 32 for supplying and discharging extending from the bag container is formed in the bag container 3. In the closing member 4, a fitting recessed part 42 is formed in one side edge of a long resin base body 41, and a fitting projecting part 43 is formed on the other side edge thereof. A center portion 44 of the base body 41 is thin-walled, and by folding the base body along the center portion 44, the fitting projecting part 43 is advanced and fitted to the fitting recessed part 42. The opening part 32 for supplying and discharging is closed by fitting the fitting projecting part 43 to the fitting recessed part 42 while the opening part 32 for supplying and discharging is passed through a detachment part 45 of the closing member 4. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a closing member and a transport container using the same.

 In recent years, in place of conventional steel cans and cardboard boxes for transporting fluids, powders, fruits, fishery products, etc., a container made of resin film in a reusable container frame has been used. An example is shown in FIG. In FIG. 9, the container frame 1 includes a container part 11 made of a resin plate opened upward and having a perforated side wall 1, and a lid part 12 covered with the opening of the container part. The lid portion 12 is partially formed with a punch hole 13 for inserting the cap portion 21 of the bag container 2 and is closed with a label 14. On the other hand, the bag container 2 is formed with a cylindrical opening 22 in a part thereof, and the cap 21 is attached thereto. When using such a transport container, the bag container 2 is inserted into the container part 11 of the container frame 1, the label 14 that closes the hole 13 of the lid part 12 is partially peeled off, and the cap Pull out the cylindrical opening 22 of the bag container 2 to which 21 is attached (FIG. 10). In this state, the cap 21 is removed and fluid or powder is injected into the bag container 2 from the cylindrical opening 22.

Patent Document 1 discloses a belt-like chuck body for a bag having an inner articulator and an outer articulator.
JP 2003-93115 A

  However, in the conventional transport container, there is a problem that since it is necessary to form the three-dimensional cylinder opening 22 in a part of the bag container 2, it takes time and effort for molding.

  Therefore, the present invention solves such a problem, and an object of the present invention is to provide a closing member and an inexpensive transport container that can be opened and closed to ensure the sealing property of the opening of the bag container.

  In order to achieve the above object, the closing member (4) of the first invention has a fitting recess (42) formed on one side edge of the long resin base (41) and fitted on the other side edge. A mating convex portion (43) is formed, the central portion (44) of the base body (41) is thinned, and the fitting convex portion (43) is bent along the central portion (44) so that the fitting convex portion (43) becomes the fitting concave portion (42 ) And a separation portion 45 having a predetermined length extending along the center portion 44 is formed in the central portion 44. In the first invention, after the opening of the bag container is inserted into the separating part of the closing member, the fitting part is bent along the central part of the closing member, and the fitting convex part enters and fits into the fitting concave part. It is possible to ensure that the bag container can be opened and closed easily and inexpensively.

  In the closing member of the second aspect of the invention, the end surface (41a) on one side edge and the end surface (41b) on the other side edge of the base body (41) are inclined substantially in parallel. In the second aspect of the invention, when the fitting convex part and the fitting concave part are fitted by bending along the central part, the end faces are shifted from each other on the one side edge side and the other side edge side of the base. Thereby, the fitting convex part and the fitting concave part can be easily separated by pulling with both side edges shifted from each other, and the fitting state can be eliminated.

  The transport container according to the third aspect of the present invention includes a container frame (1) and a resin film bag container (3) accommodated therein, and the bag container (3) has a flat belt-like shape extending therefrom. A supply / exhaust opening (32) is formed, and the supply / discharge opening (32) is inserted into the separating part (45) of the closing member according to the first aspect of the present invention. The fitting recess (42) is fitted and the supply / discharge opening (32) is closed. In this 3rd invention, after inserting the flat strip | belt-shaped supply / discharge opening part of a bag container in the separation part of a closing member, a closing member is bent along a center part, and a fitting convex part is made into a fitting recessed part. By making the fitting fit, the sealing property of the bag container can be ensured to be openable and closable inexpensively and easily.

  In addition, the code | symbol in the said parenthesis shows the correspondence with the specific means as described in embodiment mentioned later.

  As described above, according to the present invention, the sealing property of the opening of the bag container of the transport container can be easily and inexpensively secured by the closing member.

(First embodiment)
FIG. 1 shows an example of the transport container of the present invention. The transport container includes a container frame 1 and a bag container 3, and the container frame 1 has the same structure as that of the prior art, and the same reference numerals are given to the same parts. The bag container 3 is a bag-shaped container part 31 formed by heat-sealing the outer periphery of a two-layered substantially rectangular resin film. A part of the bag container 3 is extended outwardly and the extension end is opened. A flat strip-shaped supply / discharge opening 32 is formed. When the supply / discharge opening 32 is closed, the closing member 4 is attached thereto. Details of the closing member will be described below.

  In FIG. 2, the closing member 4 is made of a resin material and has a long base 41 having a length sufficient to cross the supply / discharge opening 32. The base body 41 is formed into a predetermined length by cutting a strip-like body formed by extrusion molding or the like into a required length, or by injection molding or the like. As the synthetic resin material constituting the closing member 4, polypropylene, polyethylene, vinyl chloride, or the like can be appropriately used according to the required closing performance. As shown in FIG. 3, the base 41 of the closing member 4 is formed with a fitting recess 42 having a substantially U-shaped cross section along one side edge, and protrudes into an umbrella-shaped cross section along the other side edge. The fitting convex part 43 to be formed is formed. The central portion 44 of the base body 41 is thin, and a separation portion 45 extending longer than the width of the supply / discharge opening 32 (FIG. 1) is formed here.

  When using a transport container, the bag container 3 is accommodated in the container part 11 of the container frame 1, the label 14 that closes the opening 13 of the lid part 12 is partially peeled off, and the supply / discharge opening 32 is placed in the container. Pull out part 11. Then, fluid or powder is injected from the supply / discharge opening 32 into the container 31, and then the supply / discharge opening 32 is passed through the cut-off portion 45 of the closing member 4 to be attached to the supply / discharge opening 32. To do. Thereafter, the closing member 4 is bent at the thin central portion 44 to cause the fitting convex portion 43 to enter the fitting concave portion 42. As a result, as shown in FIG. 4, the fitting convex portion 43 and the fitting concave portion 42 are in a fitted state, and the closing member 4 is fixed to the supply / discharge opening 32, and at the same time, as shown in FIG. The discharge opening 32 is deeply bent with both side surfaces in close contact between the fitting convex portion 43 and the fitting concave portion 42, and a closed state having liquid tightness and air tightness is obtained. When the supply / discharge opening 32 is opened, the fitting convex portion 43 and the fitting concave portion 42 of the closing member 4 are separated from each other to cancel the fitting state, and the closing member 4 is removed from the supply / discharge opening 32. Extract.

  According to such a transport container, there is no need to provide a conventional cylindrical opening in a part of the bag container, and the container part of the bag container and the flat supply / discharge opening can be formed integrally and easily. Therefore, the transport container can be realized at low cost.

(Second Embodiment)
When the end surfaces 41a and 41b of the base body 41 of the closing member 4 are inclined substantially in parallel as shown in FIG. 6, when the fitting convex portion 43 and the fitting concave portion 42 are fitted by bending at the central portion 44, At the end of the closing member 4, the end surfaces 41 a and 41 b of the base body 41 are shifted from each other on the one side edge side and the other side edge side as indicated by a chain line. Accordingly, the fitting convex portion 43 and the fitting concave portion 42 can be easily separated by pulling with both side edges shifted from each other, and the fitting state can be eliminated.

(Third embodiment)
When the rubber layer 46 is formed on the bottom wall of the U-shaped cross-sectional fitting concave portion 42 of the closing member 4 as shown in FIG. 7, when the engaging convex portion 43 enters, the tip of the rubber layer 46 comes into close contact with the rubber layer 46. Furthermore, the sealing performance can be improved.

(Fourth embodiment)
As shown in FIG. 8, a pair of fitting concave portions and fitting convex portions are provided on one side edge side and the other side edge side of the base body 41, respectively, and when the closing member 4 is bent at the center portion 44, If 43 is inserted and fitted into each fitting recess 42, further satisfactory airtightness and liquid tightness can be secured. Of course, three or more fitting recesses and three or more fitting protrusions may be provided.

(Other embodiments)
In each of the above embodiments, the supply / discharge opening 32 of the bag container 3 does not necessarily have to be pulled out of the container frame 1. Moreover, the closing member 4 can be widely used for the purpose of closing the opening of various bag containers while ensuring airtightness and liquid-tightness, in addition to being used as a transport container.

It is a disassembled perspective view of the conveyance container in 1st Embodiment of this invention. It is a top view of a closing member. It is an edge part perspective view of a closure member. It is a perspective view of the conveyance container of the state which closed the opening part for supply / discharge of a bag container with the closing member. It is sectional drawing of the use condition which bent the closing member, and is sectional drawing along the VV line of FIG. It is a top view of the closure member in a 2nd embodiment of the present invention. It is a principal part perspective view of the closing member in 3rd Embodiment of this invention. It is sectional drawing of the closing member in 4th Embodiment of this invention. It is a disassembled perspective view of the conventional conveyance container. It is a perspective view of the conventional conveyance container.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Container frame, 3 ... Bag container, 32 ... Supply / discharge opening part, 4 ... Closing member, 41 ... Base | substrate, 42 ... Fitting recessed part, 43 ... Fitting convex part, 44 ... Center part, 45 ... Separation part.

Claims (3)

A fitting concave portion is formed on one side edge of the long resin base and a fitting convex portion is formed on the other side edge, and the central portion of the base body is thinned and bent along the central portion. A closing member characterized in that a fitting convex portion enters and fits into a fitting concave portion, and a separation portion having a predetermined length extending along the central portion is formed in the central portion. The closing member according to claim 1, wherein end surfaces of one side edge and the other side edge of the base body are inclined substantially in parallel. A transport container using the closing member according to claim 1, comprising a container frame and a bag container made of a resin film housed in the container frame, and the bag container has a flat belt shape extending therefrom. The supply / discharge opening is formed, and the supply / discharge opening is closed by fitting the fitting convex part and the fitting concave part with the supply / discharge opening being inserted into the separation part. A transport container characterized by that.

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