JP2005225523A - Method and apparatus for packing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make it possible to safely pack an article to be packed without giving any thermal damage to the article to be packed. <P>SOLUTION: The article to be packed 2 is packed with an upper packing material 3 arranged on the upper face side of the article 2 to be packed and a lower packing material 4 arranged on the lower face side of the article 2 to be packed. Both packing materials 3 and 4 are manufactured by using a wave corrugated board composed of corrugated core sheets 3a and 4a whose corrugated rows form a non-straight line-like shape such as a plane wavy shape. On the whole surfaces of respective corrugated core sheets 3a and 4a, self-adhesive layers 5 which obtain adhesive properties only by the adhesive layers together. Both packing materials 3 and 4 are stuck together by applying only a pressure on their end edge parts. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a packing method and a packing apparatus using corrugated cardboard as a packing material, and in particular, a packing method using wave corrugated cardboard manufactured using a corrugated core sheet in which a corrugated row forms a non-linear shape such as a flat corrugated sheet as a packing material. And a packaging device.

Conventionally, corrugated cardboard is used as a packaging material to pack non-packed items, and corrugated corrugated corrugated corrugated corrugated corrugated core sheets are manufactured using a corrugated core sheet. Is also generally known.
Japanese Patent Publication No. 5-79019

  By the way, wave corrugated cardboard has advantages such as a good balance between vertical and horizontal strength, and less corrugation when pressure is applied. Conventionally, there is a packaging method that effectively uses the advantages of wave corrugated cardboard. There is a problem that the corrugated cardboard is not fully utilized because it has not been proposed.

  Although the present invention has been made in view of the present situation, a packaging method and a packaging capable of effectively packaging the packaged object without effectively using the advantages of the wave cardboard and causing thermal damage to the packaged object. An object is to provide an apparatus.

  Another object of the present invention is to shorten the packing line so as to save space.

  Another object of the present invention is to enable packing of an object to be packed with a single raw material wound in a roll shape.

  Another object of the present invention is to make it possible to reduce the winding diameter of the raw material wound in a roll shape.

  Another object of the present invention is to enable the use amount of the self-adhesive adhesive constituting the self-adhesive adhesive layer to be minimized.

  Another object of the present invention is to make it possible to prevent the object to be packed from moving in the packing material by utilizing the anti-slip effect of the self-adhesive adhesive layer.

  Another object of the present invention is to make it possible to prevent wetting of an object to be packed by utilizing the moisture-proof effect of the self-adhesive adhesive layer.

  Another object of the present invention is to make the thickness of the self-adhesive adhesive layer uniform.

  Another object of the present invention is to prevent the self-adhesive adhesive layer from being damaged when a corrugated strip is provided.

  Another object of the present invention is to make it possible to use a wide original raw material for applications other than packing materials.

  Still another object of the present invention is to enable accurate alignment particularly when the self-adhesive adhesive layer is provided only on the pressure-bonded portion of the corrugated core sheet.

  In order to achieve the above object, the present invention relates to a corrugated core sheet in which a corrugated row has a non-linear shape such as a planar corrugation, and a flat surface material integrated on one side of the corrugated core sheet. The upper and lower packing materials made of corrugated cardboard are overlapped with the corrugated core sheet inside and the packing material is interposed between the two packing materials, and then at least the ends of both packing materials are separated. The edge is packaged by pressure bonding through a self-adhesive adhesive layer that can be obtained only by the adhesive layers.

  The present invention also provides a strip-shaped upper raw material and lower raw material that are wound in a roll shape with the same lateral width as each packing material and having a corrugated core sheet inside, in the feeding direction. It is characterized by being configured by cutting into predetermined lengths.

  The present invention also cuts each packing material into a predetermined length in the feeding direction, with a strip-shaped raw material wound in a roll shape with the same lateral width as each packing material with the corrugated core sheet inside. In addition, it is characterized in that it is configured to be folded in half in the feeding direction.

  The present invention also folds each packing material into two folds in the width direction, with the belt-shaped raw material wound in a roll shape having a width twice as large as that of each packing material inside. In addition to being bent, it is configured to be cut to a predetermined length in the feeding direction.

  The present invention is also characterized in that the self-adhesive adhesive layer is provided only on the pressure-bonding portion of the corrugated core sheet in each packing material.

  The present invention is also characterized in that the self-adhesive adhesive layer is provided over the entire surface of the corrugated core sheet in at least one of the packing materials.

  The present invention is also characterized in that the self-adhesive adhesive layer is provided over the entire surface of the corrugated core sheet in both packing materials.

  The present invention is also characterized in that the self-adhesive adhesive layer is provided on the flat corrugated core sheet before the corrugated strip is provided.

  The present invention is also characterized in that the self-adhesive adhesive layer is provided at a stage before the wave cardboard is wound into a roll shape.

  The present invention also rewinds the self-adhesive adhesive layer into a roll as a raw material for a packaging material by cutting a wide original raw material wound in a roll shape into a plurality of pieces in the width direction. It is characterized by being provided at the time.

  The present invention is also characterized in that the self-adhesive adhesive layer is provided at an arbitrary stage after feeding the raw material wound in a roll shape.

  The present invention is also manufactured with a corrugated core sheet comprising a corrugated core sheet having a non-linear shape such as a corrugated sheet and a surface material integrated on one side of the corrugated core sheet. Upper packaging material and lower packaging material, which are stacked in a stacked state in the state of being inside, provided on at least the separated edge portions of each corrugated core sheet in both packaging materials, and adhesive only between the adhesive layers A self-adhesive adhesive layer that cannot be obtained, and at least the separated edges are pressure-bonded to each other with the packing material interposed between the two packing materials. And

  The present invention is further characterized in that both packing materials are formed by folding an original fabric having a double size into two.

  The present invention relates to a corrugated core sheet in which a corrugated row forms a non-linear shape such as a flat corrugation, and a flat surface material integrated on one side of the corrugated core sheet. And the lower packing material, with the corrugated core sheet on the inside and the packing material between the two packing materials. Since it is packed by pressure bonding through a self-adhesive adhesive layer that can only be obtained with adhesive, it is not necessary to apply heat when bonding both packing materials, and there is almost no heat resistance Even if it is a package, there is no risk of thermal damage. In the case of a self-adhesive adhesive layer, adhesiveness can be obtained only by the adhesive layers, and between the adhesive layer and the non-adhesive layer surface, there is a property that no adhesiveness can be obtained, There is no problem even if an object to be packed comes into contact with the self-adhesive adhesive layer. For this reason, it is not necessary to make the size of both packing materials larger than necessary with respect to the packed object.

  In addition, in the case of a so-called normal parallel corrugated cardboard in which the corrugated corrugation of the corrugated core sheet is a straight line, the corrugated corrugation is crushed by pressure bonding and the strength of the bonded portion is reduced. Unless measures such as fleshing are taken, heat bonding is unavoidable, but in the case of wave corrugated cardboard, corrugated strips are less crushed when pressure bonded, resulting in thinner packaging materials. It becomes.

  In the present invention, each of the packing materials has a belt-like upper raw material and a lower raw material that are wound in a roll shape with the same width as the packing material with the corrugated core sheet inside. Since it is configured to be cut into lengths, the space for arranging both raw materials can be greatly reduced. As a result, the packing line can be shortened to save space. .

  The present invention also cuts each packing material into a predetermined length in the feeding direction, with a strip-shaped raw material wound in a roll shape with the same lateral width as each packing material with the corrugated core sheet inside. In addition, since it is configured to be folded in half in the feeding direction, the packaged item can be packed with one raw material wound in a roll shape, and the bent portion What is necessary is just to pressure-bond the edges of both packing materials except for, and the pressure bonding mechanism can be simplified.

  The present invention also folds each packing material into two folds in the width direction, with the belt-shaped raw material wound in a roll shape having a width twice as large as that of each packing material inside. Since it is configured to be bent and cut into a predetermined length in the feeding direction, it is possible to reduce the winding diameter dimension of the raw material wound in a roll shape.

  In the present invention, since the self-adhesive adhesive layer is provided only on the pressure-bonded portion of the corrugated core sheet in each packing material, the amount of the self-adhesive adhesive constituting the self-adhesive adhesive layer is used. Can be kept to the minimum necessary.

  In the present invention, since the self-adhesive adhesive layer is provided over the entire surface of the corrugated core sheet in at least one of the packaging materials, the anti-slip effect of the self-adhesive adhesive layer is used to provide a packaging material. It is possible to prevent the packaged item from moving inside.

  In the present invention, since the self-adhesive adhesive layer is provided over the entire surface of the corrugated core sheet in both packing materials, the moisture-proof effect of the self-adhesive adhesive layer is used to wet the package. Can be prevented.

  In the present invention, since the self-adhesive adhesive layer is provided on the flat corrugated core sheet raw sheet before the corrugated row is provided, the self-adhesive property can be obtained even with simple roll coating or the like. The thickness of the adhesive layer can be made uniform.

  The present invention also prevents the self-adhesive adhesive layer from being damaged when the corrugated row is provided because the self-adhesive adhesive layer is provided at a stage before the corrugated cardboard is wound into a roll. can do.

  The present invention also rewinds the self-adhesive adhesive layer into a roll as a raw material for a packaging material by cutting a wide original raw material wound in a roll shape into a plurality of pieces in the width direction. Since it is provided at the time, a wide raw material can be used for purposes other than the packing material.

  In the present invention, since the self-adhesive adhesive layer is provided at an arbitrary stage after the roll of the raw material rolled up, the self-adhesive adhesive layer is particularly formed on the corrugated core sheet. When providing only in the pressure bonding part, alignment can be performed accurately.

  The present invention further includes a corrugated core sheet made of a corrugated core sheet comprising a corrugated core sheet having a non-linear shape such as a flat corrugated surface and a surface material integrated on one side of the corrugated core sheet. Upper packaging material and lower packaging material, which are stacked in a stacked state in the state of being inside, provided on at least the separated edge portions of each corrugated core sheet in both packaging materials, and adhesive only between the adhesive layers A self-adhesive adhesive layer that cannot be obtained, and in the state where the packing materials are interposed between them, at least the separated edges are pressure-bonded, The object to be packed can be safely packed by effectively using the advantages of the wave cardboard and without causing thermal damage to the object to be packed.

The present invention will be described below with reference to the drawings.
1 and 2 show a packing device according to a first embodiment of the present invention. This packing device 1 includes an upper packing material 3 disposed on the upper surface side of an object to be packed 2, and a packing target. A lower packing material 4 disposed on the lower surface side of the object 2, and the packing materials 3 and 4 are integrally bonded to the edge portion E by applying pressure only. It has become.

That is, each of the packing materials 3 and 4 includes corrugated core sheets 3a and 4a in which the corrugated row forms a non-linear shape such as a plane waveform, and a surface material 3b integrated on one side of the corrugated core sheets 3a and 4a, These packaging materials 3 and 4 are superposed on each other with the corrugated core materials 3a and 4a inside.
The corrugated core sheets 3a and 4a and the surface materials 3b and 4b are manufactured using various papers such as a liner, a core, coated paper, and processed paper.

  As shown in FIG. 2, a self-adhesive adhesive layer 5 that can be obtained only by the adhesive layer is disposed on the entire surface of each corrugated core sheet 3a, 4a. The adhesive layer 5 also serves as a slip-proof layer and a moisture-proof layer of the article 2 to be packed.

  The self-adhesive adhesive layer 5 is formed by applying a natural rubber latex-based self-adhesive adhesive or a synthetic resin-based self-adhesive adhesive to the surfaces of the corrugated core sheets 3a, 4a using a spray or an application roll. As a natural rubber latex self-adhesive adhesive, for example, “Sanbinol pressure adhesive E” (trade name) manufactured by Seiden Chemical Co., Ltd. is used. .

  The wave corrugated cardboard is manufactured as a wide strip, and then stocked as a wide original raw material rolled up in a roll shape with the corrugated core sheet inside, as the packing materials 3 and 4. When used, the original raw material is cut into a plurality of the original raw material in the width direction, and a narrow raw material obtained by rewinding the original raw material into a roll shape is used. May be provided at a stage before winding into a roll as a wide original material, and the wide original material is rewinded into a roll as a raw material for a narrow packaging material. You may make it provide in the stage to perform, Furthermore, you may make it provide in the flat corrugated core sheet original fabric before a corrugated row is provided.

FIG. 3 shows a packing line for packing the article 2 to be packed. Hereinafter, the packing method according to the present embodiment will be described with reference to FIG.
When packing the article 2 to be packed, first, the corrugated core sheet 3a (see FIG. 2) is fed inside the upper raw material 11 from the strip-shaped upper raw material 11 wound in a roll shape, and the corrugated core sheet. The lower raw material 12 is fed out from the belt-shaped lower raw material 12 wound in a roll shape with 4a (see FIG. 2) as an inner side. Thereby, both the raw fabric materials 11 and 12 are drawn out in a state where the corrugated core sheets 3a and 4a are set inside. At this time, the self-adhesive adhesive layer 5 (see FIG. 2) is already provided on the entire surface of the corrugated core sheets 3a and 4a.

  At the same time as the feeding of the raw materials 11 and 12 or at the same time, the object to be packed 2 is placed on the conveyor belt 13 by using an automatic machine (not shown) at a certain timing. Then, the article to be packed 2 is sent to the pressurizing / cutting unit 14 while being sandwiched from above and below by both the original fabric materials 11, 12. , 12 are cut to a certain size, and the edge portion E (see FIG. 1) is pressurized. As a result, the article 2 packed with the upper packing material 3 and the lower packing material 4 is discharged onto the carry-out belt 15.

  By the way, the self-adhesive adhesive layer 5 has a characteristic that the adhesiveness can be obtained only by the adhesive layers, and therefore, as shown in FIG. I can leave. For this reason, the arrangement space of both the raw fabric materials 11 and 12 in a packing line can be reduced significantly, and as a result, a packing line can be shortened and space saving can be achieved.

  Further, since the self-adhesive adhesive layer 5 has a property of adhering only by applying pressure, it is not necessary to apply heat at the time of adhesion. For this reason, even if the to-be-packaged product 2 is a product that is extremely sensitive to heat, there is no possibility that the to-be-packaged product 2 is thermally damaged during packaging.

  In addition, since the self-adhesive adhesive layer 5 has anti-slip and moisture-proof properties, the self-adhesive adhesive layer 5 provided on the entire surface of the corrugated core sheets 3a and 4a allows the inside of both packing materials 3 and 4 The sliding movement of the article to be packed 2 can be prevented, and the article 2 to be packed can be protected from moisture.

  In addition, in the said embodiment, although the case where the raw fabric materials 11 and 12 by which the self-adhesive adhesive layer 5 was previously provided over the surface whole surface of the corrugated core sheet | seats 3 and 4 was demonstrated, each raw fabric material was used. For example, the self-adhesive adhesive layer 5 may be provided at the position of the line L shown in FIG.

  In this case, as described above, the self-adhesive adhesive layer 5 may be provided over the entire surface of the corrugated core sheets 3a and 4a, respectively, but corresponds to the edge portion E of both packing materials 3 and 4. The self-adhesive adhesive layer 5 may be provided only at the site to reduce the amount of self-adhesive adhesive used.

  Further, for example, the upper raw material 11 is provided with the self-adhesive adhesive layer 5 only in a portion corresponding to the edge portion E of the upper packing material 3, and the lower raw material 12 is provided over the entire surface of the corrugated core sheet 4a. A self-adhesive adhesive layer 5 may be provided. As a result, the moisture-proof effect is not necessarily sufficient, but at least the anti-slip effect can be sufficiently obtained.

FIG. 4 shows a second embodiment of the present invention, in which the upper packing material 3 and the lower packing material 4 are formed by a single raw material 21.
That is, in FIG. 4, the code | symbol 21 is the strip | belt-shaped original fabric material which has the same width as each packing material 3 and 4, and is wound up in roll shape by making the corrugated core sheet into an inner side, This original fabric material 21 is fed to the packing line at a predetermined speed by the feed roller 23.

  As shown in FIG. 4, a cutting roller 24 and a ruled line roller 25 are sequentially provided on the downstream side of the feed roller 23, and the raw material 21 fed by the feed roller 23 is predetermined by the cut roller 24. The length, specifically, the length of the packing materials 3 and 4 is cut to twice the length in the feed direction, and a fold line 26 is formed by the ruled line roller 25 at the center in the feed direction. Yes. And the to-be-packaged object 2 is placed on the cut raw material 27.

  Next, the cut raw material 27 is folded in two from the folding line 26 by a folding mechanism 28, and both sides in the feed direction are pressure-bonded by a pressure roller 29. The edge is pressed and bonded by the pressing mechanism 30. As a result, a packaging device 1 is formed in which the entire peripheral edges of both packing materials 3 and 4 are pressure-bonded.

  At this time, since the bent portion of the cut raw material 27 is continuous without being pressure-bonded, the pressure-bonding may be performed on at least three separated sides.

  Thus, in the case of the present embodiment, since the article to be packed 2 can be packed with only one raw material 21, the configuration of the packing line can be simplified.

FIG. 5 shows a third embodiment of the present invention, in which the material to be packed 2 is packed by folding the raw material 31 in the width direction.
That is, in FIG. 5, the code | symbol 31 is a strip | belt-shaped original fabric material which is twice as wide as each packing material 3 and 4, and is wound up in roll shape by making a corrugated core sheet into an inner side. The material 31 is fed out to the packing line at a predetermined speed by the feed roller 33.

On the downstream side of the feed roller 33, as shown in FIG. 5, a pressing belt 34 and a folding rail 35 for folding the raw material 31 in the width direction are respectively disposed. 2 is placed on the raw material 31 on the downstream side of the pressing belt 34.
In FIG. 5, reference numeral 36 denotes a guide for preventing the raw material 31 from being displaced when the original material 31 is folded in half.

  On the downstream side of the folding rail 35, as shown in FIG. 5, a pressure roller 37 for securing the folded portion of the folded original material 31 and both sides in the feed direction are pressure-bonded. The pressure roller 38 is sequentially provided, and on the downstream side of the pressure roller 38, a gate-type pressure / cutting mechanism 39 having a pressure / cutting portion 39a and a pressure portion 39b is disposed. Yes. With the structure described above, the entire peripheral edges of both packing materials 3 and 4 are pressure-bonded and separated from the raw material 31 as the packing device 1.

  In the case of the present embodiment, the material to be packed 2 is packed by folding the material 31 in the width direction so that the material 2 is wound into a roll. The winding diameter dimension of the material 31 can be reduced.

  In each of the above embodiments, each of the raw materials 11, 12, 21, and 31 wound in a roll shape is cut by a packing line to be each packing material 3 and 4. Although demonstrated, you may make it pack the to-be-packaged goods 2 using each packing materials 3 and 4 cut into the fixed size beforehand.

  As described above, the packaging method and the packaging device according to the present invention are useful as a packaging method and a packaging device using corrugated cardboard as a packaging material, and in particular, a corrugated core sheet in which a corrugated row forms a non-linear shape such as a plane corrugation. It is suitable as a packing method and a packing apparatus using a wave corrugated cardboard manufactured by using as a packing material.

It is a disassembled perspective view which shows the packing apparatus which concerns on the 1st Embodiment of this invention. It is sectional drawing similar to FIG. It is explanatory drawing of the packing line which shows the packing method which concerns on the 2nd Embodiment of this invention. FIG. 4 is a view corresponding to FIG. 3 showing a second embodiment of the present invention. FIG. 6 is a view corresponding to FIG. 3 showing a third embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Packing apparatus 2 To-be-packaged object 3 Upper packing material 3a, 4a Corrugated core sheet 3b, 4b Surface material 4 Lower packing material 5 Self-adhesive adhesive layer 11 Uehara fabric material 12 Shimohara fabric material 13 Conveying belt 14 Pressurizing / cutting unit DESCRIPTION OF SYMBOLS 15 Unloading belt 21,31 Raw material 23,33 Feed roller 24 Cutting roller 25 Ruled line roller 26 Folding line 27 Cut raw material 28 Bending mechanism 29,38 Pressure roller 30 Pressing mechanism 34 Pressing belt 35 Bending rail 36 Guide 37 Pressing roller 39 Pressing / cutting mechanism 39a Pressing / cutting part 39b Pressing part E Edge part L line

Claims (16)

  A corrugated core sheet in which corrugated strips form a non-linear shape such as a flat corrugated sheet and a flat surface material integrated on one side of the corrugated core sheet. With the corrugated core sheet on the inside and with the packing material between both packing materials, the two sheets are overlapped, and at least the separated edges of both packing materials are adhesive only with the adhesive layer A packaging method comprising packing by pressure bonding through a self-adhesive adhesive layer that cannot be obtained.   Each packaging material has the same width as each packaging material, and the strip-shaped upper raw material and lower raw material which are wound in a roll shape with the corrugated core sheet inside are cut into a predetermined length in the feeding direction. The packaging method according to claim 1, wherein each of the packaging methods is configured.   Each packing material has the same lateral width as each packing material, and the strip-shaped raw material wound in a roll shape with the corrugated core sheet inside is cut into a predetermined length in the feeding direction, and the feeding direction The packaging method according to claim 1, wherein the packaging method is configured to be folded in half.   Each packing material has a width twice as large as that of each packing material, and a strip-shaped raw material wound in a roll shape with the corrugated core sheet inside is folded into two in the width direction and fed out. 2. The packing method according to claim 1, wherein the packing method is formed by cutting a predetermined length in a direction.   The packing method according to claim 1, 2, 3, or 4, wherein the self-adhesive adhesive layer is provided only on the pressure-bonding portion of the corrugated core sheet in each packing material.   The packing method according to claim 1, 2, 3, or 4, wherein the self-adhesive adhesive layer is provided over the entire surface of the corrugated core sheet in at least one of the packing materials.   The packing method according to claim 6, wherein the self-adhesive adhesive layer is provided over the entire surface of the corrugated core sheet in both packing materials.   The packing method according to claim 5, 6 or 7, wherein the self-adhesive adhesive layer is provided on the flat corrugated core sheet original sheet before the corrugated strip is provided.   The packing method according to claim 5, 6 or 7, wherein the self-adhesive adhesive layer is provided at a stage before the corrugated cardboard is wound into a roll shape.   The self-adhesive adhesive layer is provided when a wide original raw material rolled up in a roll shape is cut into a plurality of pieces in the width direction and re-wound into a roll shape as a raw material for a packaging material. The packing method according to claim 5, 6 or 7.   The packing method according to claim 5, 6 or 7, wherein the self-adhesive adhesive layer is provided at any stage after the raw material rolled up in a roll shape is fed out.   The corrugated row is made of wave corrugated cardboard composed of a corrugated core sheet having a non-linear shape such as a flat corrugated sheet and a surface material integrated on one side of the corrugated core sheet, with the corrugated core sheet inside. An upper packing material and a lower packing material that are stacked in two layers; provided on at least the separated edge portions of each corrugated core sheet in each of these packing materials; A packing apparatus, wherein both the packing materials are pressure-bonded to at least separated edges in a state in which an object to be packed is interposed therebetween.   The packing apparatus according to claim 12, wherein both packing materials are formed by folding an original fabric having a double size into two.   The packing device according to claim 12 or 13, wherein the self-adhesive adhesive layer is provided only on the pressure bonding portion of the corrugated core sheet in each packing material.   The packing device according to claim 12 or 13, wherein the self-adhesive adhesive layer is provided over the entire surface of the corrugated core sheet in at least one of the packing materials.   The packing device according to claim 15, wherein the self-adhesive adhesive layer is provided over the entire surface of the corrugated core sheet in both packing materials.

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