JP2005104503A - Packing box - Google Patents

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JP2005104503A
JP2005104503A JP2003338841A JP2003338841A JP2005104503A JP 2005104503 A JP2005104503 A JP 2005104503A JP 2003338841 A JP2003338841 A JP 2003338841A JP 2003338841 A JP2003338841 A JP 2003338841A JP 2005104503 A JP2005104503 A JP 2005104503A
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prevention member
moisture
packaging box
buckling prevention
buckling
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Toshiyuki Nakamura
敏之 中村
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Kyocera Document Solutions Inc
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Kyocera Mita Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a packing box comprising a paper-made sheet material such as a corrugated cardboard box which can be efficiently abandoned and recycled while the strength against a load is kept for a long period. <P>SOLUTION: The packing box is constituted by that a paper-made buckling preventing member 21 for preventing a buckling in the gravity direction is placed in a bag 23 comprising a moistureproof sheet such as a resin film, and the opening of the bag 23 is bound with a string or the like to make a moistureproofed buckling preventing member 20, and this is arranged at least at a diagonal position in a box formed into a three-dimensional shape by folding the paper-made sheet material including a corrugated cardboard board. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、重力方向の座屈変形を防止する紙製の座屈防止部材を備えた、段ボール箱などの紙製の板材よりなる梱包箱に関するものである。   The present invention relates to a packaging box made of a paper plate material such as a cardboard box, which is provided with a paper buckling prevention member that prevents buckling deformation in the direction of gravity.

一般的に、安価で軽量且つ加工が容易な梱包材として、段ボールなどの紙製の板材よりなる梱包箱が広く使用されている。特に段ボール箱は緩衝作用に優れ、荷重に対する強度も有するため、機器類などの重量物や破損し易い物品の梱包箱として広く使用されている。しかし、段ボール箱などの紙製の梱包箱は吸湿性が大きく、長期間使用していると吸湿により著しく圧縮強度が低下し、重力方向に座屈変形してしまうなどの不具合があった。   In general, a packing box made of a paper board such as corrugated cardboard is widely used as an inexpensive, lightweight and easy-to-process packing material. In particular, cardboard boxes are widely used as packing boxes for heavy items such as equipment and easily damaged items because they have excellent buffering action and strength against load. However, a paper packaging box such as a cardboard box has a high hygroscopic property, and when used for a long period of time, there is a problem that the compressive strength is remarkably lowered due to the moisture absorption and the buckling deformation occurs in the direction of gravity.

この問題を解決する技術として、以下の提案がなされている。図６（ａ）を参照して、この梱包箱Ｃ１は、各側壁１０の上下両端にフラップ１１、１２を突設してあって、その各側壁１０およびフラップ１１、１２の外層には、プラスチック製のフラットヤーンからなるクロス３と、このクロス３の外側にアルミ蒸着面４を対面させてアルミ蒸着フィルム１３が貼着され、内層には、アルミ箔４ａを貼着することにより輻射熱反射層を設けてある。図６（ｂ）も参照して、この梱包箱を構成する段ボールは、コルゲート加工された紙製中芯５に紙製の表裏ライナ６，７を組み合わせた両面段ボールで、その表ライナ６の外側に、クロス３と、このクロス３の外側にアルミ蒸着面４を対面させてアルミ蒸着フィルム１３とを貼着し、裏ライナ７の外側にアルミ箔４ａを貼着してある。これにより、箱の内外層のアルミ層より成る輻射熱反射層によって断熱性を高めるとともに段ボールの吸水、吸湿を防止する（特許文献１）。この他にも、合成樹脂フィルムなどの防湿シートを用いて防湿性を得る技術が知られている。   The following proposals have been made as a technique for solving this problem. Referring to FIG. 6 (a), this packing box C1 has flaps 11 and 12 projecting from the upper and lower ends of each side wall 10, and the outer layer of each side wall 10 and the flaps 11 and 12 is made of plastic. A cloth 3 made of flat yarn made of aluminum and an aluminum vapor deposition film 13 are adhered to the outside of the cloth 3 with the aluminum vapor deposition surface 4 facing each other, and a radiant heat reflecting layer is adhered to the inner layer by adhering an aluminum foil 4a. It is provided. Referring also to FIG. 6B, the corrugated cardboard constituting the packaging box is a double-faced corrugated cardboard in which corrugated paper core 5 is combined with paper front and back liners 6, 7. Further, the cloth 3 and the aluminum vapor-deposited surface 4 are opposed to the outer side of the cloth 3 and the aluminum vapor-deposited film 13 is adhered, and the aluminum foil 4 a is adhered to the outer side of the back liner 7. Thereby, heat insulation is enhanced by the radiant heat reflecting layer made of the inner and outer aluminum layers of the box, and water absorption and moisture absorption of the cardboard are prevented (Patent Document 1). In addition, a technique for obtaining moisture resistance using a moisture-proof sheet such as a synthetic resin film is known.

しかし、合成樹脂からなるシートやアルミ蒸着フィルム、アルミ箔等を用いて防湿性を得る場合には、段ボール等の紙製の部材をリサイクルする際に、合成樹脂フィルムや金属等の不純物が含まれているため、そのままリサイクルすることができず、若しくは全くリサイクルできないこととなる。また、廃棄する場合であっても合成樹脂や金属等の不純物を含んでいるので、焼却処分が困難となるなど、環境対応に敏感な昨今では、好ましくない。   However, when using a synthetic resin sheet, aluminum vapor-deposited film, aluminum foil, etc. to obtain moisture resistance, impurities such as synthetic resin film and metal are included when recycling paper members such as cardboard. Therefore, it cannot be recycled as it is or cannot be recycled at all. Further, even when discarded, since it contains impurities such as synthetic resin and metal, it is not preferable in recent years when it is sensitive to environmental measures such as incineration being difficult.

上記問題に配慮しつつ、段ボール箱などの紙製の板材よりなる梱包箱の荷重に対する強度を高め維持する技術としては、予想される荷重に耐え得る圧縮強度を有する紙製の支柱などの座屈防止部材を梱包箱内に配することが行われている。例えば、ボール紙（コートボール紙や紙管原紙などを含む）状で厚みの大きい紙系材料からなるもの、ボール紙状で厚みの薄い紙系材料を複数枚貼り合わせた構造を有するもの、古紙を解繊し、バインダーを添加して所定の形状に成形したもの、パイプ状の紙系材料をプレス成形したものなどが、座屈防止部材として使用されている。
実公平６−８０５６号公報 Considering the above problems, as a technology for increasing and maintaining the strength against the load of a packaging box made of paper board such as a cardboard box, buckling of a paper support or the like having a compressive strength capable of withstanding the expected load. Arrangement of the prevention member in the packaging box is performed. For example, cardboard (including coated cardboard, paper tube base paper, etc.) that is made of a thick paper-based material, cardboard-like, a structure in which a plurality of thin paper-based materials are bonded together, waste paper And the like, and those obtained by adding a binder and molding into a predetermined shape and those obtained by press-molding a pipe-like paper-based material are used as buckling prevention members.
No. 6-8056

しかしながら、これらの紙製の部材も、長期間使用していると吸湿し、これにより著しく圧縮強度が低下してしまうという問題があった。
従って、本発明はかかる従来技術の問題に鑑み、荷重に対する強度を長期間維持しながら、廃棄やリサイクルを効率良く行うことができる、段ボール箱などの紙製の板材よりなる梱包箱を提供することを目的とする。 However, these paper members also have a problem that they absorb moisture when used for a long period of time, and the compressive strength is thereby significantly reduced.
Therefore, in view of the problems of the prior art, the present invention provides a packaging box made of a paper plate material such as a cardboard box, which can be efficiently discarded and recycled while maintaining the strength against the load for a long time. With the goal.

そこで、本発明はかかる課題を解決するために、段ボールを含む紙製の板材を折畳して立方体状に形成し少なくとも対角位置に重力方向の座屈を防止する紙製の座屈防止部材が立設されている梱包箱であって、前記座屈防止部材が防湿膜に封入されていることを特徴とする梱包箱を提案する。   Therefore, in order to solve such a problem, the present invention folds a paper plate material including corrugated cardboard to form a cube, and prevents the buckling in the gravity direction from occurring at least in a diagonal position. A packing box is provided, wherein the buckling prevention member is sealed in a moisture-proof film.

これにより、梱包箱の重力方向への座屈を防止する座屈防止材の圧縮強度を長期間保つことができ、梱包箱全体として長期間荷重に耐えることが出来る。また、梱包箱の座屈防止部材以外の部分についてはそのままリサイクル又は廃棄することができ、廃棄・リサイクル処理の効率が良い。   Thereby, the compressive strength of the buckling prevention material which prevents buckling to the gravity direction of a packaging box can be maintained for a long period of time, and the whole packaging box can endure a load for a long period of time. Further, portions other than the buckling prevention member of the packaging box can be recycled or discarded as they are, and the efficiency of the disposal / recycling process is good.

そして本発明にかかる梱包箱は、前記防湿膜が座屈防止部材に対し分離可能に封体されていることを特徴とする。これにより、使用済みの梱包箱については、座屈防止部材から防湿膜を分離することにより、座屈防止材についてもそのままリサイクル又は廃棄することができ、更に廃棄・リサイクル処理の効率が良い。   The packaging box according to the present invention is characterized in that the moisture-proof film is sealed so as to be separable from the buckling prevention member. As a result, the used packing box can be recycled or discarded as it is by separating the moisture-proof film from the buckling prevention member, and the efficiency of disposal / recycling processing is further improved.

また、本発明にかかる梱包箱は、前記防湿膜が座屈防止部材と一体化して焼却炉において焼却可能な種類の材質で形成されていることを特徴とする。これにより、梱包箱の座屈防止部材以外の部分についてはそのままリサイクル又は廃棄することができるとともに、座屈防止部材についてもそのまま焼却処分として廃棄することができ、全体として処分効率が良い。   Further, the packaging box according to the present invention is characterized in that the moisture-proof film is formed of a kind of material that can be incinerated in an incinerator by integrating with a buckling prevention member. Thereby, while parts other than the buckling prevention member of a packaging box can be recycled or discarded as they are, the buckling prevention member can also be discarded as incineration as it is, and the disposal efficiency is good as a whole.

更に本発明にかかる梱包箱は、前記座屈防止部材が封入されている防湿膜封入空間に乾燥剤が存在することを特徴とする。これにより、防湿膜内に予め存在する湿気や後から防湿膜内に侵入する湿気を乾燥剤が吸収するので、より長期にわたって座屈防止部材を湿気から保護して圧縮強度を保つことができ、梱包箱全体としてより長期間、荷重に対する強度を保つことができる。   Furthermore, the packaging box according to the present invention is characterized in that a desiccant is present in the moisture-proof film enclosure space in which the buckling prevention member is enclosed. As a result, the desiccant absorbs moisture pre-existing in the moisture-proof membrane and moisture that penetrates into the moisture-proof membrane later, so that the buckling prevention member can be protected from moisture for a longer period of time and the compressive strength can be maintained. As a whole packaging box, the strength against the load can be maintained for a longer period of time.

そして本発明にかかる梱包箱は、前記防湿膜は防湿性を有する袋体であって、前記袋体の開口端が袋体を破開容易な封止手段によって封止されていることを特徴とする。これにより、使用済みの梱包箱を処分する際、座屈防止部材が封入されている袋を破開して、紙製の座屈防止部材と袋体とを容易に分離することができ、廃棄・リサイクル等の処分の際の作業効率が良い。   The packaging box according to the present invention is characterized in that the moisture-proof film is a bag body having moisture resistance, and an opening end of the bag body is sealed by a sealing means that is easy to break the bag body. To do. As a result, when disposing of the used packaging box, the bag in which the buckling prevention member is enclosed can be opened, and the paper buckling prevention member and the bag body can be easily separated and discarded. -Good work efficiency during disposal such as recycling.

また、本発明にかかる梱包箱は、前記封止手段上若しくは封止空間側の袋体側端に袋体破開補助手段が設けられていることを特徴とする。これにより、紙製の座屈防止部材と袋体とを分離する際の作業効率が更に向上する。   Further, the packaging box according to the present invention is characterized in that a bag body breakage assisting means is provided on the sealing means or at the bag body side end on the sealing space side. Thereby, the work efficiency at the time of isolate | separating a paper buckling prevention member and a bag body further improves.

なお、本発明にかかる梱包箱の前記座屈防止部材は厚紙の積層体よりなる板材を前記梱包箱の対角面に沿って折曲して形成されている。機械的強度の大きい紙製の部材は種々存在するが、特に荷重に耐えることを考慮して、厚紙の積層体よりなる板材を折曲して形成することにより圧縮強度を高めたものを座屈防止部材として使用する。そしてこの座屈防止材は、梱包箱の対角面に沿って折曲して形成されているから、特に荷重のかかりやすい梱包箱の角隅部の座屈を効果的に防ぐことができるとともに、梱包箱内において座屈防止部材が占める空間を最小限にすることができる。   In addition, the said buckling prevention member of the packaging box concerning this invention is formed by bending the board | plate material which consists of a laminated body of a cardboard along the diagonal surface of the said packaging box. There are various types of paper members with high mechanical strength, but in consideration of the ability to withstand loads, buckling the plate with a higher compression strength by bending and forming a sheet of cardboard. Used as a prevention member. And since this buckling prevention material is formed by bending along the diagonal surface of the packaging box, it can effectively prevent buckling of the corner portion of the packaging box which is particularly susceptible to load. The space occupied by the buckling prevention member in the packaging box can be minimized.

そして本発明にかかる梱包箱は、前記袋体は真空封止により座屈防止部材に密着される。これにより、座屈防止部材と袋体からなるユニットが全体としてコンパクトになるので、梱包箱内において占める空間が少なくて済み、箱内の収納空間を広く確保することができる。   And as for the packaging box concerning this invention, the said bag body is closely_contact | adhered to a buckling prevention member by vacuum sealing. Thereby, since the unit which consists of a buckling prevention member and a bag becomes compact as a whole, the space which occupies in a packaging box can be reduced, and the storage space in a box can be ensured widely.

または、本発明にかかる梱包箱は、前記袋体は封止空間内に空気を介在させて破開容易に封止されている。すなわち、座屈防止部材と袋体との間に空気が存在することにより、座屈防止部材と袋体とが密着せず分離作業が容易となるとともに、座屈防止部材を袋体に封入する際にも空気を抜く作業を要さず、封入作業も容易である。また、袋体内の空気の存在により、緩衝作用も期待できる。   Alternatively, in the packaging box according to the present invention, the bag body is sealed easily with air in the sealed space. That is, since air exists between the buckling prevention member and the bag body, the buckling prevention member and the bag body are not in close contact with each other, and separation work is facilitated, and the buckling prevention member is enclosed in the bag body. There is no need to evacuate the air, and the sealing work is easy. In addition, a buffering action can be expected due to the presence of air in the bag.

以上記載のごとく本発明の梱包箱は、重力方向の座屈を防止する紙製の座屈防止部材を防湿膜で封入することにより、座屈防止部材の圧縮強度が吸湿により低下するのを防止して梱包箱全体として荷重に対する強度を長期間維持できるようにするとともに、座屈防止材以外の部分についてはそのまま廃棄・リサイクルできるので、廃棄やリサイクルを効率良く行うことができるという利点がある。   As described above, the packing box of the present invention prevents the compressive strength of the buckling prevention member from being reduced by moisture absorption by enclosing the paper buckling prevention member that prevents buckling in the gravity direction with a moisture-proof film. Thus, the strength of the entire packing box can be maintained for a long period of time, and parts other than the buckling prevention material can be discarded and recycled as they are, so that there is an advantage that disposal and recycling can be performed efficiently.

以下、図面を参照して本発明の好適な実施例を例示的に詳しく説明する。但しこの実施例に記載されている構成部品の寸法、材質、形状、その相対的配置等は特に特定的な記載がない限りは、この発明の範囲をそれに限定する趣旨ではなく、単なる説明例に過ぎない。   Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention unless otherwise specified, but are merely illustrative examples. Not too much.

図１は、本実施例にかかる座屈防止部材の斜視図である。座屈防止部材２１は複数枚の厚紙を水溶性接着剤により貼り合わせて厚さ約５ｍｍに積層させた板状の部材であり、この座屈防止部材２１が配される梱包箱の角に合わせた角度θに折曲した形状となっている。また、座屈防止部材２１の縁２１ａは、積層された厚紙が端から剥がれないように、薄紙により覆われており、この薄紙はやはり水溶性接着剤により貼られている。このように構成された座屈防止部材２１は、乾燥状態において実線矢印方向からの２００〜３００ｋｇの荷重に耐えることができる。この座屈防止部材２１に対して以下のようにして防湿膜を形成する。   FIG. 1 is a perspective view of a buckling prevention member according to the present embodiment. The buckling prevention member 21 is a plate-like member in which a plurality of cardboards are laminated with a water-soluble adhesive and laminated to a thickness of about 5 mm. The buckling prevention member 21 is aligned with the corner of the packaging box on which the buckling prevention member 21 is arranged. The shape is bent at an angle θ. Further, the edge 21a of the buckling prevention member 21 is covered with thin paper so that the laminated cardboard is not peeled off from the end, and this thin paper is also pasted with a water-soluble adhesive. The buckling prevention member 21 configured as described above can withstand a load of 200 to 300 kg from the direction of the solid arrow in the dry state. A moisture-proof film is formed on the buckling prevention member 21 as follows.

座屈防止部材２１に対して防湿膜を形成する方法としては、例えば図２に示すように、座屈防止部材２１の表面に炭酸カルシウムを原料樹脂に混合した樹脂フィルム等の、防湿性を有し且つ廃棄する際には焼却することができる防湿膜２６を貼りつけ、座屈防止部材２１の全表面を覆うことにより防湿済み座屈防止部材２０とすることができる。これによれば、この防湿済み座屈防止部材２０を配した段ボール箱等の紙製の板材よりなる梱包箱を焼却処分する際、防湿済み座屈防止部材２０以外の部分はそのまま焼却できるのはもちろんのこと、防湿済み座屈防止部材２０についてもそのまま焼却しても有害物質発生等の心配がなく、梱包箱廃棄の際に分別する手間が省け、全体としての処分効率が良い。また、パラフィンワックスを防湿層として用いた防湿包装紙は比較的リサイクルしやすいため、この場合は梱包箱全体をリサイクルすることもできる。   As a method for forming a moisture-proof film on the buckling prevention member 21, for example, as shown in FIG. 2, the surface of the buckling prevention member 21 has moisture resistance such as a resin film in which calcium carbonate is mixed with a raw material resin. In addition, a moisture-proof film 26 that can be incinerated at the time of disposal is attached and the entire surface of the buckling prevention member 21 is covered, so that the moisture-proof buckling prevention member 20 can be obtained. According to this, when a packaging box made of a paper plate material such as a cardboard box provided with the moisture-proof buckling prevention member 20 is incinerated, parts other than the moisture-proof buckling prevention member 20 can be incinerated as they are. Of course, even if the moisture-proof buckling prevention member 20 is incinerated as it is, there is no concern about the generation of harmful substances, etc., and it is possible to save time and labor for separating the packaging box, and the overall disposal efficiency is good. In addition, since the moisture-proof wrapping paper using paraffin wax as the moisture-proof layer is relatively easy to recycle, in this case, the entire packaging box can be recycled.

座屈防止部材２１に対して防湿膜を形成する他の方法としては、例えば図３（ａ）に示すように、座屈防止部材２１を樹脂フィルムなどの防湿性を有するシートからなる袋２３に入れ、図３（ｂ）に示すように封止手段として紐などで袋２３の口を縛ることにより防湿済み座屈防止部材２０とすることができる。これによれば、容易に防湿済み座屈防止部材２０が得られるとともに、この防湿済み座屈防止部材２０を配した段ボール箱等の紙製の板材よりなる梱包箱を処分する際には、紐２４を解いて座屈防止部材２１を取り出すことにより座屈防止部材２１と袋２３とを容易に分離することができる。そして、座屈防止部材２１は梱包箱の他の部分と同様に紙製であるので、廃棄又はリサイクルするにあたって一緒に処分することができ、別にして処分する必要があるのは袋２３だけであり、やはり全体としての処分効率が良い。なお、座屈防止部材２１を袋２３に封入する際に、一緒に乾燥剤２２も封入すれば、座屈防止部材２１をより長期間乾燥状態に保つことができる。   As another method for forming a moisture-proof film on the buckling prevention member 21, for example, as shown in FIG. 3A, the buckling prevention member 21 is formed on a bag 23 made of a sheet having moisture resistance such as a resin film. In addition, as shown in FIG. 3B, the moisture-proof buckling prevention member 20 can be obtained by binding the mouth of the bag 23 with a string or the like as a sealing means. According to this, the moisture-proof buckling prevention member 20 can be easily obtained, and when disposing of a packaging box made of a paper board such as a cardboard box in which the moisture-proof buckling prevention member 20 is disposed, The buckling prevention member 21 and the bag 23 can be easily separated by unwinding 24 and taking out the buckling prevention member 21. And since the buckling prevention member 21 is made of paper like the other parts of the packaging box, it can be disposed of together for disposal or recycling, and only the bag 23 needs to be disposed separately. Yes, the disposal efficiency as a whole is good. In addition, when enclosing the buckling prevention member 21 in the bag 23, if the desiccant 22 is also encapsulated together, the buckling prevention member 21 can be kept dry for a longer period of time.

座屈防止部材２１に対して防湿膜を形成する他の方法としては、例えば図４に示すように、座屈防止部材２１を樹脂フィルム等の防湿性を有するシートからなる袋２５に入れた後、袋２５内を減圧し、袋２５内の空気を除去した後に熱溶着して封をする。このようにして真空封止することにより防湿済み座屈防止部材２０とすることができる。この場合、封止した部分に、袋の破開補助手段として切り込み２５ａを設けるなどして、開封しやすいようにすれば、梱包箱を処分する際、座屈防止部材２１と袋２５とを容易に分離することができる。袋２５を開封するまでは袋２５は座屈防止部材２１に密着しているので、梱包箱内に配した際にかさばらず、梱包箱内の収納空間が広く確保できる。   As another method of forming a moisture-proof film on the buckling prevention member 21, for example, as shown in FIG. 4, after the buckling prevention member 21 is placed in a bag 25 made of a sheet having moisture resistance such as a resin film. The bag 25 is depressurized and the air in the bag 25 is removed, followed by heat welding and sealing. By performing vacuum sealing in this manner, the moisture-proof buckling prevention member 20 can be obtained. In this case, if the sealing portion is provided with a notch 25a as a means for assisting in breaking the bag so that the bag can be easily opened, the buckling prevention member 21 and the bag 25 can be easily removed when the packaging box is disposed. Can be separated. Since the bag 25 is in close contact with the buckling prevention member 21 until the bag 25 is opened, the bag 25 is not bulky when placed in the packing box, and a large storage space in the packing box can be secured.

このようにして得られた防湿済み座屈防止部材２０を配した梱包箱を、以下のようにして形成する。
図５を参照して、この梱包箱は、段ボールを折畳して立方体状に形成した外箱３０と、収納物の両側面に配され収納物を側方から挟んで保持するボール紙製の緩衝パッド３２と、外箱３０の底面上に設けられ収納物を下側から保持しつつ保護する段ボール製の下側保護部材３３と、外箱３０を閉じた際にその天面の下に設けられ収納物を上側から保持しつつ保護する段ボール製の上側保護部材３４と、外箱３０の内側４隅に垂直に配される防湿済み座屈防止部材２０とからなる。下側保護部材３３及び上側保護部材３４は、外箱３０内で移動しないよう、外箱３０の底面及び天面の形状に合わせて形成されているが、その４隅には防湿済み座屈防止部材２０の断面形状に合わせた切り欠き３３ａおよび３４ａが形成されており、防湿済み座屈防止部材２０の下端及び上端をこの切り欠き３３ａ及び３４ａに合わせて配置することで、防湿済み座屈防止部材２０は外箱３０内の４隅に固定される。 The packaging box in which the moisture-proof buckling prevention member 20 thus obtained is arranged is formed as follows.
Referring to FIG. 5, this packing box is made of a cardboard made of cardboard folded into a cubic shape and a cardboard made of a cardboard that is placed on both sides of the stored item and holds the stored item from the side. A buffer pad 32, a lower protection member 33 made of cardboard provided on the bottom surface of the outer box 30 to protect the stored items from the lower side, and provided below the top surface when the outer box 30 is closed. The upper protection member 34 made of corrugated cardboard for protecting the stored item from the upper side and the moisture-proof buckling prevention member 20 arranged perpendicularly to the inner four corners of the outer box 30. The lower protective member 33 and the upper protective member 34 are formed in accordance with the shape of the bottom surface and the top surface of the outer box 30 so as not to move in the outer box 30, but moisture-proof buckling prevention is provided at the four corners thereof. Notches 33a and 34a are formed according to the cross-sectional shape of the member 20, and the moisture-proof buckling prevention member 20 is disposed at the lower end and the upper end of the moisture-proof buckling prevention member 20 according to the notches 33a and 34a. The member 20 is fixed to the four corners in the outer box 30.

この梱包箱内に、例えば画像形成装置に用いられる原稿給送装置などの収納物３７をポリエチレン製の袋３５に包んで収納し、また、外箱３０の天面と上側保護部材３４との間の空間に、設置手順書などの書類３１をポリエチレン製の袋３６に包んで配置する。なお、これらのポリエチレン製の袋３５、３６は収納物３７や書類３１が段ボール屑で汚染されるのを防ぐためのものであって、本実施例にかかる梱包箱を構成するものではない。   In this packing box, for example, an article 37 such as a document feeder used in the image forming apparatus is wrapped and stored in a polyethylene bag 35, and between the top surface of the outer box 30 and the upper protective member 34. A document 31 such as an installation procedure is wrapped in a polyethylene bag 36 and placed in the space. These polyethylene bags 35 and 36 are for preventing the stored items 37 and documents 31 from being contaminated with corrugated waste, and do not constitute the packaging box according to the present embodiment.

このようにして構成され、収納物３７が収納された梱包箱の上に他の箱を積載した場合、その荷重は防湿済み座屈防止部材２０によって支えられ、収納物３７がその荷重を受けずに保護される。この状態で長期間放置していると、外箱３０や緩衝パッド３２、下側保護部材３３及び上側保護部材３４は徐々に吸湿してその圧縮強度が低下するが、防湿済み座屈防止部材２０だけは吸湿せず、その強度が保たれるため、従来に比べ長期間に渡って荷重を支えることができる。そのため、梱包箱全体として座屈変形せず、収納物３７が無事に保護される。すなわち、座屈防止部材２１のみを防湿するだけで、梱包箱全体として従来に比べ長期間その圧縮強度が保たれる。そして、防湿済み座屈防止部材２０以外の部分については従来通り段ボールとして廃棄・リサイクルできるとともに、防湿済み座屈防止部材２０についても上述の通り、効率良く廃棄又はリサイクルすることができる。   When another box is loaded on the packaging box in which the stored item 37 is stored, the load is supported by the moisture-proof buckling prevention member 20, and the stored item 37 does not receive the load. Protected. If left in this state for a long time, the outer box 30, the buffer pad 32, the lower protection member 33 and the upper protection member 34 gradually absorb moisture and the compressive strength thereof decreases, but the moisture-proof buckling prevention member 20 Since only the water does not absorb moisture and its strength is maintained, the load can be supported for a long period of time compared to the conventional case. Therefore, the package 37 is not buckled and deformed as a whole, and the stored item 37 is safely protected. That is, only the buckling prevention member 21 is moisture-proof, and the compressive strength is maintained for a long time as compared with the conventional packaging box as a whole. The portions other than the moisture-proof buckling prevention member 20 can be discarded / recycled as cardboard as usual, and the moisture-proof buckling prevention member 20 can also be efficiently discarded or recycled as described above.

本発明にかかる梱包箱は、箱全体に防湿処理をしなくても長期間荷重に対する強度が維持できるので、箱全体に防湿処理をする場合に比べて低コストでもある。   Since the packaging box according to the present invention can maintain the strength against the load for a long time without performing the moisture-proof treatment on the entire box, the cost is low as compared with the case of performing the moisture-proof treatment on the entire box.

本実施例にかかる座屈防止部材の斜視図である。It is a perspective view of the buckling prevention member concerning a present Example. 座屈防止部材に対して防湿膜を形成する第１の方法を説明するための斜視図である。It is a perspective view for demonstrating the 1st method of forming a moisture-proof film | membrane with respect to a buckling prevention member. 座屈防止部材に対して防湿膜を形成する第２の方法を説明するための斜視図であって、（ａ）は座屈防止部材が防湿性の袋に入れられる様子を示す斜視図であり、（ｂ）は座屈防止部材が防湿性の袋に封入された状態を示す斜視図である。ある。It is a perspective view for demonstrating the 2nd method of forming a moisture-proof film | membrane with respect to a buckling prevention member, (a) is a perspective view which shows a mode that a buckling prevention member is put in a moisture-proof bag. (B) is a perspective view which shows the state by which the buckling prevention member was enclosed with the moisture-proof bag. is there. 座屈防止部材に対して防湿膜を形成する第３の方法を説明するための斜視図である。It is a perspective view for demonstrating the 3rd method of forming a moisture-proof film | membrane with respect to a buckling prevention member. 本実施例にかかる梱包箱の全体構造を示す分解斜視図である。It is a disassembled perspective view which shows the whole structure of the packaging box concerning a present Example. 従来の梱包箱に関する技術を説明するための図であり、（ａ）は梱包箱の全体像を示す斜視図、（ｂ）は梱包箱を構成する板材の拡大断面図である。It is a figure for demonstrating the technique regarding the conventional packaging box, (a) is a perspective view which shows the whole image of a packaging box, (b) is an expanded sectional view of the board | plate material which comprises a packaging box.

符号の説明Explanation of symbols

２０ 防湿済み座屈防止部材
２１ 座屈防止部材
２２ 乾燥剤
２３、２５ 袋
２５ａ 切り込み
２６ 防湿膜 20 Moisture-proof buckling prevention member 21 Buckling prevention member 22 Desiccant 23, 25 Bag 25a Cut 26 Moisture-proof film

Claims (9)

段ボールを含む紙製の板材を折畳して立方体状に形成し少なくとも対角位置に重力方向の座屈を防止する紙製の座屈防止部材が立設されている梱包箱において、
前記座屈防止部材が防湿膜に封入されていることを特徴とする梱包箱。 In a packaging box in which a paper buckling prevention member that is formed into a cube shape by folding a paper board material including cardboard and prevents buckling in the gravitational direction at least in a diagonal position is erected,
A packing box, wherein the buckling prevention member is enclosed in a moisture-proof film. 前記防湿膜が座屈防止部材に対し分離可能に封体されていることを特徴とする請求項１に記載の梱包箱。   The packaging box according to claim 1, wherein the moisture-proof film is sealed so as to be separable from the buckling prevention member. 前記防湿膜が座屈防止部材と一体化して焼却炉において焼却可能な種類の材質で形成されていることを特徴とする請求項１に記載の梱包箱。   The packaging box according to claim 1, wherein the moisture-proof film is formed of a material that can be incinerated in an incinerator while being integrated with a buckling prevention member. 前記座屈防止部材が封入されている防湿膜封入空間に乾燥剤が存在することを特徴とする請求項１乃至請求項３のいずれか１に記載の梱包箱。   The packaging box according to any one of claims 1 to 3, wherein a desiccant is present in a moisture-proof film enclosure space in which the buckling prevention member is enclosed. 前記防湿膜は防湿性を有する袋体であって、前記袋体の開口端が袋体を破開容易な封止手段によって封止されていることを特徴とする請求項１乃至４のいずれか１に記載の梱包箱。   The moisture-proof film is a bag body having a moisture-proof property, and an opening end of the bag body is sealed by a sealing means that easily breaks the bag body. 1. The packaging box according to 1. 前記封止手段上若しくは封止空間側の袋体側端に袋体破開補助手段が設けられていることを特徴とする請求項５に記載の梱包箱。   The packaging box according to claim 5, wherein a bag body breakage assisting means is provided on the sealing means or at a bag body side end on the sealing space side. 前記座屈防止部材が厚紙の積層体よりなる板材を前記梱包箱の対角面に沿って折曲して形成されている請求項１乃至請求項６のいずれか１に記載の梱包箱。   The packaging box according to any one of claims 1 to 6, wherein the buckling prevention member is formed by bending a plate material made of a laminate of cardboard along a diagonal surface of the packaging box. 前記袋体は真空封止により座屈防止部材に密着されていることを特徴とする請求項５又は請求項６に記載の梱包箱。   The packaging box according to claim 5 or 6, wherein the bag body is in close contact with the buckling prevention member by vacuum sealing. 前記袋体は封止空間内に空気を介在させて破開容易に封止されていることを特徴とする請求項５又は請求項６に記載の梱包箱。   The packaging box according to claim 5 or 6, wherein the bag body is sealed easily with air interposed in the sealed space.
JP2003338841A 2003-09-29 2003-09-29 Packing box Pending JP2005104503A (en)

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