JP4460997B2 - Packaging container - Google Patents

Description

  The present invention relates to a plastic packaging container capable of safely storing and transporting a product that is relatively vulnerable to impact, and in particular, includes a base block and a right and left side block 3 in which the product is integrally formed via a hinge. The present invention relates to a packaging container that can be completely enclosed by a single block and that can be easily automatically packaged.

  Conventionally, in order to store or transport expensive products (hereinafter simply referred to as products) such as glass products, precision machines, chemicals, cameras, watches, etc. that are vulnerable to impacts, the products must be wrapped in paper, air caps, etc. It was stored in a container such as a cardboard box and stored or transported.

  However, when a product is wrapped in an air cap or the like and then stored in a cardboard box, there are problems that workability is extremely poor and automatic packaging by a machine is difficult. Recently, as described later, means for storing or transporting a product in a plastic container has been implemented.

  As containers that can store plastic products, for example, JP-A-9-240769 (Patent Document 1), JP-A-10-35637 (Patent Document 2), JP-A 2000-321721 (Patent Document). 3) Techniques as disclosed in Japanese Patent Application Laid-Open No. 2001-163362 (Patent Document 4) and Japanese Patent Application Laid-Open No. 2003-246362 (Patent Document 5) are known.

  These technologies according to Patent Documents 1 to 5 are all technologies for forming a container from a plastic film or a plastic sheet by using a vacuum forming method, and include a tray-shaped container body having a recess and a lid. It is a container having a structure in which the body is connected to each other through a hinge or the container body and the lid are independently configured.

JP-A-9-240769 JP-A-10-35637 JP 2000-321721 A JP 2001-163362 A JP 2003-246362 A

  Since the packaging containers described in Patent Document 1 to Patent Document 5 described above are composed of a container body and a lid body each having a recess, when goods are stored in these packaging containers, Therefore, in the automatic packaging method using a method such as a belt conveyor, there is a problem that it is difficult to efficiently package products in a stable state. .

  In addition, the technology described in the above-mentioned patent document, except for the technology of Patent Document 4, stores the product stored in the packaging container in the recess adjacent to the outer peripheral wall of the packaging container. Sometimes, when an impact is generated on the packaging container from the outside, the impact is transmitted directly to the stored product, which causes a problem of easily damaging the product in the packaging container.

  In Patent Document 4, two transparent sheets are stretched in parallel in the inner space of a packaging container composed of a container body and a lid, and a product is stored between these transparent sheets. In this way, it is difficult to hang two transparent sheets over the inner space of the packaging container, and between these two transparent sheets. There were many problems such as difficulty in storing the goods.

  The packaging container according to the present invention is a completely new technology developed in view of the above-mentioned many disadvantages of the prior art. Further, the present invention provides a technology for a plastic packaging container constructed by connecting left and right blocks that can respectively cover the left and right of a product via hinges.

The packaging container according to the present invention is an invention which has fundamentally improved the above-mentioned conventional problems, and the gist of the first invention is that the bottom of the product is placed in a plastic packaging container surrounding the product. It consists of three blocks, a left block and a right block that can completely cover the left or right side of the product, and a left block and a right block on the left and right sides of the block, respectively. In addition, each block is connected to each other via a hinge so as to be integrally bent, and the left side block and the right side block are each provided with a step portion that can support a protruding portion of a product, and A taper is provided on the upper surface of the step portion, and the step portion is configured such that the left block and the right block are closed with respect to the base block, so that the bottom of the commodity is the base block. A packaging container which is characterized in that provided in a position such as lifted from the bottom.

  The gist of the second invention is that an outer wall for shock absorption is provided on each outer peripheral part of the base block and the left and right side blocks, and between the outer peripheral surface of the product storage part provided in each block and the outer wall. The packaging container according to the first aspect of the present invention is characterized in that a predetermined gap is formed.

  The gist of the third invention is the packaging container according to the second invention, wherein the height of the product storage portion of each block is smaller than the height of the outer wall. Furthermore, the gist of the fourth invention is that a ridge edge is provided on the inner periphery of one block of the left and right blocks, and a protrusion surface that can be fitted into the inner periphery of the ridge edge is provided on the inner surface of the other block. It is the packaging container of the 1st invention thru | or 3rd invention characterized by having comprised.

Further, the gist of the fifth invention, Ru packaging container der of the fourth invention which is characterized by being configured to provide a respective predetermined reverse taper on the outer peripheral surface of the projecting surface and the projection edge inner circumferential surface.

In the packaging container of the first invention described above, the whole is composed of three blocks, and the pedestal block is arranged in the central portion. Therefore, when the product is stored in the packaging container, the product stands upright. It can be placed on this stand block as it is. And after that, the left side block and the right side block provided on both sides of the base block are raised and closed so that the two match each other, so that the product can be packed stably from the left and right sides. Therefore, by using a conveyor system or the like, the product can be automatically packaged in a standing state . In addition, since a step portion that can support the protruding portion of the product is provided at a predetermined position of the product storage portion of the left and right side blocks, it is possible to stabilize the product by supporting the protruding portion of the product stored by this step portion. I can do it. Furthermore, since the predetermined taper is provided in the stepped portion, when the left and right blocks are closed together, the product is gradually raised and lifted by the action of these tapers, and the bottom surface of the product is placed on the base block. It can be lifted from the surface. Therefore, the bottom of the product can be protected in a more stable state .

  In the packaging container of the second invention, an outer wall for shock absorption is provided on each outer peripheral part of the base block and the left and right side blocks, and an outer peripheral surface of the product storage part provided in each block, and the outer wall Since a predetermined gap is formed between the two, even when an impact is applied to the packaging container during transportation, the impact can be absorbed by the outer wall, thereby protecting the product stored in the packaging container. I can do it.

  In the packaging container according to the third aspect of the invention, the height of the product storage portion provided in each of the blocks described above is made smaller than the height of the outer wall, and the product storage portion comes inside the outer edge of the outer wall. Since it did in this way, it can avoid that the outer surface of this goods storage part contacts the articles | goods arrange | positioned around a packaging container directly.

  In the packaging container according to the fourth aspect of the present invention, the ridge edge is erected on the inner periphery of one of the left and right blocks, and the inner surface of the other block is fitted into the inner periphery of the ridge. Since the projecting surfaces that can be used are provided, when the inner surfaces of the left and right blocks are combined, the projecting surfaces can be fitted into the projecting edges and bonded together.

  In the packaging container of the fifth invention, predetermined reverse tapers are provided on the inner peripheral surface of the protruding edge and the outer peripheral surface of the protruding surface of the packaging container of the fourth invention. By engaging and meshing in combination, the projecting surface inserted into the ridge edge can be locked, whereby the left and right blocks can be completely closed in a stable state.

  FIG. 1 is a perspective view of a state in which the packaging container according to the present invention is opened to the left and right, and FIG. 2 is a development plane of the packaging container of FIG. FIG. 3, FIG. 3 is a side view of the second packaging container, FIG. 4 is a longitudinal sectional view of FIG. 3, FIG. 5 is a perspective view of the product placed on the packaging container of FIG. 1, and FIG. It is sectional drawing of the state which covers goods with a packaging container.

  1 to 5, reference numeral 1 denotes a packaging container according to the present invention, which is formed by vacuum forming a plastic sheet. A left block 4 and a right block 5 are integrally connected to the left and right sides of the base block 2 via hinges 3, respectively. The upper surface of the base block 2 is provided with a recess 6 that can store and store the bottom of the product, and the inner surfaces of the left and right blocks 4 and 5 are provided with recesses 7 and 8 that can store the left and right of the product, respectively. Yes.

  Therefore, as shown in FIG. 4, almost the entire portion except for the bottom of the product A placed and stored in the recess 6 on the upper surface of the base block 2 is completely inserted into the recesses 7 and 8 of the left and right blocks 4 and 5. It is comprised so that. At predetermined positions of the recesses 7 and 8, there are provided step portions 9 and 10 that can support the protruding portions A1 and A2 protruding from both sides of the product A from below.

  Shock absorbing outer walls 2a, 4a, 5a are provided on the outer periphery of the base block 2 and the left and right blocks 4, 5 respectively. As described above, the space between the outer peripheral surface of the product storage portion formed of the recesses 6, 7, 8 provided in each block and the outer walls 2a, 4a, 5a is wide as shown in FIG. The gap 11 is provided.

  The height of the outer walls 2a, 4a, and 5a is formed to be greater than the height of the outer peripheral surface of the product storage portion including the recesses 6, 7, and 8, as shown in FIG. Therefore, when other articles are disposed adjacent to the back side of the base block 2 and the left and right blocks 4, 5 of the packaging container 1, the leading edges of the outer walls 2a, 4a, 5a abut against the articles, etc. However, the outer peripheral surface of the product storage unit is configured not to contact the article or the like.

  On the outer periphery of the inner surface of the right block 5, as shown particularly in FIG. Further, a projecting surface 13 that can be fitted into the inner peripheral surface of the ridge 12 is provided on the inner surface of the left block 4. Therefore, when the inner surfaces of the left and right blocks 4 and 5 are closed together, the projecting surface 13 is fitted into the inner peripheral surface of the ridge edge 12 so that the left and right blocks 4 and 5 are in a stable state. It is configured to be closed.

  Since the reverse taper 12a and the reverse taper 13a are provided on the inner peripheral surface of the ridge edge 12 and the outer peripheral surface of the protruding surface 13, respectively, the inner peripheral surface of the ridge edge 12 is combined with the left and right side blocks 4 and 5. When the outer peripheral surface of the projecting surface 13 is strongly pressed and fitted, the reverse tapers 12a and 13a are engaged with each other, whereby both the left and right blocks 4 and 5 can be locked.

  In the recesses 7 and 8 of the left and right side blocks 4 and 5 are provided step portions 9 and 10 that can support the protruding portions A1 and A2 protruding from both sides of the product A from below.

  Tapers 9a and 10a are provided on the upper surfaces of the step portions 9 and 10 provided in the recesses 7 and 8 of the left and right blocks 4 and 5, respectively. Accordingly, when the product A is stored in the recesses 7 and 8 and the protruding portions A1 and A2 of the product A are supported by the stepped portions 9 and 10, the taper 9a and 10a act as described above. The product A placed in the recess 6 can be raised, and the bottom surface of the product A can be lifted from the bottom surface of the recess 6. In this way, by raising the bottom of the product A from the base block 2, the bottom of the product A can be further protected from impact.

  The packaging container according to the present invention can be widely used for packaging parts used in industrial machines, expensive medical products, etc. in addition to general products.

It is a perspective view in the state where the packaging container concerning the present invention was opened right and left. It is an expansion | deployment top view of the packaging container of FIG. It is a side view of a 2nd packaging container. It is a longitudinal cross-sectional explanatory drawing of FIG. It is a perspective view of the state which mounted the goods in the packaging container of FIG. It is sectional drawing of the state which covers goods with the packaging container of this invention.

A: Product A1: Protruding part A2: Protruding part 1 ... Packaging container 2 ... Base block 2a ... Outer wall 3 ... Hinge 4 ... Left block 4a ... Outer wall 5 ... right side block 5a ... outer wall 6 ... concave part 7 ... concave part 8 ... concave part 9 ... step part 9a ... taper 10 ... step part 10a ... taper 11・ ・ Gap 12 ・ ・ ・ Projection edge 12a ・ ・ ・ Reverse taper 13 ・ ・ ・ Projecting surface 13a ・ ・ ・ Reverse taper

Claims (5)

In the plastic packaging container that surrounds the product,
It consists of three blocks, a base block on which the bottom of the product can be placed, a left block and a right block that can completely cover the left or right side of the product, and a left block and a left block on the left and right of the base block, respectively. While arranging the right side block, each block is connected to each other via a hinge so that it can be bent together .
The left block and the right block are each provided with a step that can support the protruding portion of the product, and the upper surface of the step is tapered.
The packaging container is characterized in that the step portion is provided at a position where the bottom of the product is lifted from the bottom surface of the base block by closing the left block and the right block with respect to the base block. .   A shock absorbing outer wall is provided on each outer peripheral portion of the base block and the left and right side blocks, and a predetermined gap is formed between the outer peripheral surface of the product storage portion provided in each block and the outer wall. The packaging container of claim 1 characterized.   The packaging container according to claim 2, wherein the height of the product storage portion of each block is smaller than the height of the outer wall.   The ridge edge is provided on the inner periphery of one block of the left and right blocks, and the projecting surface that can be fitted into the inner peripheral surface of the ridge edge is provided on the inner surface of the other block. The packaging container according to claims 1 to 3.   5. The packaging container according to claim 4, wherein a predetermined reverse taper is provided on each of the inner peripheral surface of the ridge edge and the outer peripheral surface of the protruding surface.

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