JP5098860B2 - Foam cushioning material for packing - Google Patents

Description

  The present invention relates to a packing foam cushioning material used to protect a packaged article from impact or the like when the packaged article is accommodated in a packaging box and transported. After use, the packaging foam cushioning material can be easily divided into small pieces, and the packaging foam cushioning material is not easily broken before use. It is what you have.

  Conventionally, various items to be packed such as various units and cartridges used in image forming apparatuses such as copiers and printers are accommodated in a packing box made of cardboard and transported or stored. Things have been done.

  Then, when accommodating the various items to be packed in the packing box, in order to prevent the items to be packed from being damaged due to the impact on the items to be packed, A packing foam cushioning material made of a foam material is placed in a packaging box to be accommodated, and the impact applied to an object to be packed is mitigated by the foam cushioning material for packaging.

  And as such a foaming cushioning material for packing, for example, the one in which the end of the package is inserted and held in the receiving recess of the packaging foam cushioning material in a box shape, or a pair of packaging Various things are used, such as the one in which the end of the package is sandwiched in the housing recess provided in the foam cushioning material.

  Here, after using such a foam cushioning material for packing, in processing the foam cushioning material for packing, conventionally, the foaming cushioning material for packing is transported, stored and processed as it is. It was like that.

  However, when the foam cushioning material for packing is transported or stored as it is, the foam cushioning material for packing is bulky, and in particular, the end of the package is inserted into the housing recess. In the case of the box-shaped packing foam cushioning material to be held, there is a problem that the volume becomes large, the transportation cost and the storage cost increase, and the processing becomes troublesome.

  For this reason, conventionally, as disclosed in Patent Document 1, a dividing groove is provided at an appropriate position of the foam cushioning material, and the foam cushioning material is divided by the dividing groove. As such foam cushioning material, there is shown a structure in which a dividing groove is provided continuously on two orthogonal surfaces of the housing recess.

However, when the dividing grooves are provided continuously on the two orthogonal surfaces of the receiving recesses in this way, the strength of the foam cushioning material in the portion where the dividing grooves are provided is greatly reduced. When a load is applied, for example, by colliding with an obstacle before use, there is a problem that the foam cushioning material is arbitrarily cracked at the dividing groove and cannot be used.
JP-A-8-258868

  The present invention solves the above-described problems in the foam cushioning material for packing used to protect the packaged item from impacts or the like when the packaged item is accommodated in the packaging box and transported. It is to be an issue.

  That is, in the present invention, after using the packing foam cushioning material as described above, the packaging foam cushioning material can be easily divided into small pieces, and the packaging foam cushioning material is used before use. It is an object of the present invention to prevent it from being easily broken.

  In the foam cushioning material for packing in the present invention, in order to solve the above-described problems, the packaging foam cushioning material provided with the accommodating recess for accommodating the end portion of the packaged object, the packaging in which the accommodating recess is formed. When providing the first dividing groove on the inner wall surface of the foam cushioning material from the opening portion of the housing recess toward the inner end face, and providing the second dividing groove on the inner end face, the first dividing groove and The second dividing groove is formed separately.

  Here, in the above foam cushioning material for packing, when forming the first dividing groove on the inner wall surface, the groove width of the first dividing groove is tapered from the opening portion of the housing recess toward the inner end surface. It can be formed by shrinking.

  Further, in the above foam cushioning material for packing, an internal buffering projection protruding inward from the inner wall surface is formed from the opening portion of the housing recess toward the inner end surface, and the above-mentioned foaming cushioning material is formed along the internal buffering projection. A first dividing groove can be formed.

  In the above foam cushioning material for packing, a split auxiliary groove can be provided on the outer wall surface so as to correspond to the first split groove.

  Further, in the above foam cushioning material for packing, when providing the second dividing groove on the inner end surface, the second dividing groove is provided along the intersection of the inner wall surface and the inner end surface. For example, in the case where the foam cushioning material for packing is formed in a box shape having an accommodation recess, a first dividing groove is formed on each inner wall surface provided with the accommodation recess, and the above interior A second dividing groove can be formed in the end surface in an annular shape along the intersection with the inner wall surface.

  In the packing foam cushioning material of the present invention, a first dividing groove is provided on the inner wall surface of the packaging foam cushioning material in which the housing recess is formed, from the opening portion of the housing recess to the inner end surface, and on the inner end surface. Since the second dividing groove is provided, the packing foam cushioning material can be cut along the first dividing groove and the second dividing groove to divide the packing foam cushioning material into small pieces. After using the foam cushioning material for packing, when the foam cushioning material for packing is transported or stored and processed, the foam cushioning material for packing does not become bulky, Storage costs and the like are reduced, and the processing can be easily performed.

  Moreover, in the foam cushioning material for packing of the present invention, when providing the first dividing groove and the second dividing groove, the first dividing groove and the second dividing groove are formed separately. Therefore, the strength of the foam cushioning material for packing in the portion provided with the dividing groove is not greatly reduced as in the case where the dividing groove is provided continuously on the two orthogonal surfaces of the housing recess. Even when a load is applied by, for example, colliding with an obstacle before using the foam cushioning material for packing, the foam cushioning material for packing is prevented from being arbitrarily cracked.

  Moreover, in the foam cushioning material for packing of the present invention, when the groove width of the first dividing groove is formed by contracting in a tapered shape from the opening portion of the housing recess toward the inner end surface, the first dividing groove and the second dividing groove are formed. It is further suppressed that the strength of the foam cushioning material for packing in the portion provided with the dividing groove is reduced, and the foam foam cushioning material for packing is also cut and divided along the first dividing groove. Will be able to do.

  Moreover, in the foam cushioning material for packing of the present invention, an internal buffering protrusion protruding inwardly from the inner wall surface provided with the housing recess is formed from the opening portion of the housing recess toward the inner end surface, and this internal buffering material is formed. When the first dividing groove is formed along the protrusion, the buffering effect of the internal buffering protrusion is improved by the first dividing groove.

  Further, in the packing foam cushioning material of the present invention, when a partitioning auxiliary groove is provided on the outer wall surface so as to correspond to the first partitioning groove, the packaging foam cushioning along the first partitioning groove is provided. The work of cutting the material and dividing the foam cushioning material for packing into smaller parts can be performed more easily.

  Further, in the foam cushioning material for packing of the present invention, when providing the second dividing groove on the inner end face, if the second dividing groove is provided along the intersection of the inner end face and the inner wall surface, The end portion of the packing foam cushioning material can be easily cut and separated along the second dividing groove. In particular, when the foam cushioning material for packing is formed in a box shape having an accommodation recess, a first dividing groove is formed on each inner wall surface provided with the accommodation recess, and a second division is made on the inner end surface. When the groove is formed in an annular shape along the intersection with the inner wall surface, the packing foam cushioning material is cut along the first dividing groove formed in each inner wall surface, and the packaging foam cushioning material It is possible to easily cut the end portions along the second dividing grooves and divide them into small portions.

  Next, the packing foam cushioning material according to the embodiment of the present invention will be specifically described with reference to the accompanying drawings. In addition, the foaming cushioning material for packing which concerns on this invention is not limited to what was shown to the following embodiment, In the range which does not change the summary, it can implement suitably.

  In this embodiment, as shown in FIG. 1, an accommodation recess that accommodates an end portion of an object to be packed (not shown) on one end side of the foam cushioning material 10 for packing made of foamed elastic material such as polystyrene foam. 11 is recessed, and the foam cushioning material 10 for packing is formed in a box shape.

  And in each foaming cushioning material 10 for packing in which the accommodation recessed part 11 was formed in this way, it protruded inside so that the edge part of the to-be-packaged object accommodated in the accommodation recessed part 11 might be hold | maintained. Various internal buffering projections 12 are formed from the opening portion 11a of the housing recess 11 toward the inner end face 10b, and a V-shaped first dividing groove 13 is placed along each internal buffering projection 12 into the housing recess. 11 from the opening portion 11a toward the inner end face 10b.

  Further, on the inner end face 10b of the packing foam cushioning material 10, a V-shaped second dividing groove 14 is formed annularly along the intersection with the inner wall face 10a, and this inner end face A through hole 15 is provided at the center of 10b.

  Here, as shown in FIGS. 1 and 2, the first dividing groove 13 is contracted in a taper shape with a groove width and a groove depth from the opening portion 11 a of the housing recess 11 toward the inner end surface 10 b. The inner end face 10b is formed so as not to reach the inner end face 10b, and is separated from the second dividing groove 14 formed on the inner end face 10b.

  In addition, in the appropriate internal buffering protrusion 12 among the internal buffering protrusions 12, the groove width and the groove depth are similar to the first dividing groove 13 in the central portion in the width direction. A V-shaped buffering groove 12a contracting in a taper shape from the opening 11a toward the inner end face 10b is provided, and the buffering effect on the internal buffering protrusion 12 is enhanced by the buffering groove 12a.

  Further, on each outer wall surface 10b of the packing foam cushioning material 10 described above, various external buffering protrusions 16 protruding outward are provided in the opening portions 11a of the housing recesses 11 in the same manner as the internal buffering protrusions 12. It is formed from the side toward the inner end face 10b side, and has a constant groove width and groove depth so as to correspond to the first dividing groove 13 along the appropriate external buffering protrusion 16. A V-shaped auxiliary dividing groove 17 is provided. Further, in an appropriate external buffering protrusion 16, a V-shaped buffering groove 16a having a constant groove width and groove depth at the center in the width direction is provided. Is provided.

  Here, if the partitioning auxiliary groove 17 is provided along the external buffering protrusion 16 as described above, and the buffering groove 16a is provided in the center in the width direction, the above-described partitioning auxiliary groove 17 and the buffering groove 17 are provided. The buffering effect of the external buffering protrusion 16 provided with these is enhanced by the groove 16a.

  Further, the packing foam cushioning material 10 is made to correspond to the first dividing groove 13 by the partitioning auxiliary grooves 17 provided on the respective external wall surfaces 10b of the packing foam cushioning material 10. It becomes possible to perform the work of cutting along and dividing along the line.

  In the packing foam cushioning material 10 of this embodiment, the division assisting groove 17 and the buffering groove 16a are formed with a constant groove width and groove depth, so that the buffering effect on the external buffering protrusion 16 is further increased. In the case where the strength of the foam cushioning material 10 for packing is reduced by the above-described dividing auxiliary groove 17, the groove width and the depth of the groove are stored in the housing recess as in the case of the first dividing groove 13. 11 may be contracted in a tapered shape from the opening 11a side to the inner end face 10b side.

  Here, in the packing foam cushioning material 10 of this embodiment, the first dividing grooves 13 provided on the inner wall surfaces 10a as described above are formed into the second dividing grooves 14 formed on the inner end face 10b. Therefore, even when a load is applied to the packing foam cushioning material 10 due to collision with an obstacle or the like, the packaging foam cushioning material 10 remains in the first dividing groove. 13 and the second dividing groove 14 are prevented from breaking.

  On the other hand, after processing the foam cushioning material 10 for packing according to this embodiment, when the foam cushioning material 10 for packaging is processed, the foaming material for packing is formed along the first dividing groove 13 provided in each internal wall surface 10a. The cushioning material 10 can be cut, and the end of the packaging foam cushioning material 10 can be cut along the annular second dividing groove 14 provided on the inner end surface 10b. The foam cushioning material 10 can be easily divided into small parts.

  For this reason, when processing the foam cushioning material 10 for packaging after use, when the foam cushioning material 10 for packing is transported or stored, the foam cushioning material 10 for packaging is bulky. As a result, transportation costs, storage costs, and the like are reduced, and the processing can be easily performed.

It is the schematic perspective view which showed the foam cushioning material for packing which concerns on one Embodiment of this invention. In the foam cushioning material for packing according to the above embodiment, a state in which the first dividing groove is formed from the opening portion of the housing recess toward the inner end surface along the inner cushioning protrusion provided on the inner wall surface thereof is shown. FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Packing foam cushioning material 10a Internal wall surface 10b Internal end surface 10c External wall surface 11 Receiving recessed part 11a Opening part 12 Internal buffer projection 12a Buffer groove 13 First division groove 14 Second division groove 15 Through hole 16 External buffer projection 16a Buffer groove 17 Split auxiliary groove

Claims (6)

  In the packing foam cushioning material provided with the accommodating recess for accommodating the end portion of the article to be packed, the first facing the inner end surface from the opening portion of the accommodating recess to the inner wall surface of the packaging foam cushioning material in which the accommodating recess is formed. A packaging characterized in that a dividing groove is provided, a second dividing groove is provided on the inner end face, and the first dividing groove and the second dividing groove are separated from each other. Foam cushioning material.   2. The packing foam cushioning material according to claim 1, wherein the groove width of the first dividing groove is formed by contracting in a taper shape from the opening portion of the housing recess toward the inner end surface. Foam cushioning material.   The foam cushioning material for packing according to claim 1 or 2, wherein an internal cushioning protrusion projecting inward from the inner wall surface is formed from the opening portion of the housing recess toward the inner end surface. The packing foam cushioning material, wherein the first dividing groove is formed along the protrusion.   The packing foam cushioning material according to any one of claims 1 to 3, wherein a partitioning auxiliary groove is provided on the outer wall surface so as to correspond to the first partitioning groove. Foam cushioning material for packing.   The packing foam cushioning material according to any one of claims 1 to 4, wherein the second dividing groove is formed on an inner end surface along an intersection with the inner wall surface. A foam cushioning material for packaging.   The packing foam cushioning material according to any one of claims 1 to 5, wherein the foam cushioning material for packaging is formed in a box shape having a housing recess, and a first dividing groove is formed on each inner wall surface. The packing foam cushioning material is characterized in that the second dividing groove is formed in an annular shape along the intersection with the inner wall surface on the inner end surface.

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