JP6986471B2 - Box and dissolution treatment method - Google Patents

Box and dissolution treatment method Download PDF

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JP6986471B2
JP6986471B2 JP2018049554A JP2018049554A JP6986471B2 JP 6986471 B2 JP6986471 B2 JP 6986471B2 JP 2018049554 A JP2018049554 A JP 2018049554A JP 2018049554 A JP2018049554 A JP 2018049554A JP 6986471 B2 JP6986471 B2 JP 6986471B2
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folded
box
outer lid
inner lid
body portion
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至男 中村
香里 坂元
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日本郵便株式会社
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Description

本発明は、機密性が高い廃棄書類を収容する箱及び溶解処理方法に関する。 The present invention relates to a box for accommodating highly confidential waste documents and a dissolution treatment method.

機密性が高い書類を廃棄するために、段ボール等の紙製の箱に書類を収容し、溶解処理施設に搬送して、箱に収容したまま書類の溶解処理を行なうことがある。ここで、廃棄書類を箱に収容した場合には、配送する前に密閉作業を行なう。そこで、廃棄書類を密閉する箱が検討されている(例えば、特許文献1,2参照。)。 In order to dispose of highly confidential documents, the documents may be stored in a paper box such as corrugated cardboard, transported to a dissolution processing facility, and the documents may be dissolved while being contained in the box. Here, when the waste documents are stored in the box, the sealing work is performed before delivery. Therefore, a box for sealing a waste document has been studied (see, for example, Patent Documents 1 and 2).

特許文献1に記載の箱は、段ボールなどの厚紙からなり、箱の前後となる長側壁と、左右となる短側壁とを連設し、長側壁の端部に糊代を設け、各側壁の下縁に底フラップを連設する。そして、両長側壁の上縁に外内蓋フラップ、両短側壁上縁に内側重合壁をそれぞれ設ける。更に、外蓋フラップの3辺に差込片が設けられ、この差込片が挿入するスリットが、長側壁の上縁及び両短側壁の上縁にそれぞれ形成される。 The box described in Patent Document 1 is made of thick paper such as corrugated cardboard. A bottom flap is connected to the lower edge. Then, an outer inner lid flap is provided on the upper edges of both long side walls, and an inner polymerization wall is provided on the upper edges of both short side walls. Further, insertion pieces are provided on three sides of the outer lid flap, and slits into which the insertion pieces are inserted are formed on the upper edge of the long side wall and the upper edge of both short side walls, respectively.

特許文献2に記載の箱には、内蓋の周縁部に投入口が設けられる。機密書類は、投入口を介して収容空間内へ投入される。投入口は、内蓋の上面に重ね合わせた外蓋で閉鎖される。 The box described in Patent Document 2 is provided with a slot on the peripheral edge of the inner lid. Confidential documents are loaded into the containment space through the slot. The slot is closed by an outer lid overlaid on the upper surface of the inner lid.

特開2007−302252号公報JP-A-2007-302252 特開2010−260559号公報Japanese Unexamined Patent Publication No. 2010-260559

特許文献1に記載の箱では、上蓋となる内蓋フラップ及び外蓋フラップを、外側に折った状態で、廃棄書類を収容空間に投入する。このため、廃棄書類の収容時に、内蓋フラップ及び外蓋フラップが邪魔になる。 In the box described in Patent Document 1, the waste documents are put into the storage space in a state where the inner lid flap and the outer lid flap, which are the upper lids, are folded outward. For this reason, the inner lid flap and the outer lid flap become an obstacle when storing the waste documents.

また、特許文献2に記載の箱では、投入口と対向する位置の胴部に外蓋を接続し、外蓋の差込片の差込口が投入口として用いられる。このため、廃棄書類を収容し易くするために投入口を大きくすると、投入口から箱の中身が見え易くなり、密閉性が低下することになる。 Further, in the box described in Patent Document 2, the outer lid is connected to the body portion at a position facing the insertion port, and the insertion port of the insertion piece of the outer lid is used as the insertion port. For this reason, if the slot is made large in order to easily accommodate the waste documents, the contents of the box can be easily seen from the slot, and the airtightness is lowered.

上記課題を解決する箱は、内部に収容空間を形成する角筒状の胴部と、この胴部に接続し前記収容空間の下面を覆う底部と、前記胴部の第1上辺に位置する第1接続部で前記胴部に接続し、前記収容空間の上面を覆う内蓋部と、前記第1上辺と交差する第2上辺に位置する第2接続部で前記胴部に接続し、前記内蓋部と重ね合わせ可能な外蓋部とを備え、前記外蓋部には、周縁部に外蓋差込片を設け、前記内蓋部には、前記胴部の上端周縁に設けられた内蓋用差込口に差し込まれる内蓋差込片と、前記第2接続部の対向位置に、廃棄書類を投入可能な投入口を形成する折返し部とを設ける。 The box that solves the above problems has a square tubular body that forms a storage space inside, a bottom that is connected to the body and covers the lower surface of the storage space, and a first upper side of the body. The inner lid portion that is connected to the body portion by one connection portion and covers the upper surface of the accommodation space and the second connection portion located on the second upper side that intersects the first upper side are connected to the body portion. The outer lid portion is provided with a lid portion and an outer lid portion that can be overlapped with each other. An inner lid insertion piece to be inserted into the lid insertion port and a folded-back portion for forming an insertion port into which waste documents can be inserted are provided at positions facing the second connection portion.

また、上記課題を解決する溶解処理方法は、内部に収容空間を形成する角筒状の胴部と、この胴部に接続し前記収容空間の下面を覆う底部と、前記胴部の第1上辺に位置する第1接続部で前記胴部に接続し、前記収容空間の上面を覆う内蓋部と、前記第1上辺と交差する第2上辺に位置する第2接続部で前記胴部に接続し、前記内蓋部と重ね合わせ可能な外蓋部とを備え、前記外蓋部には、周縁部に外蓋差込片を設け、前記内蓋部には、前記胴部の上端周縁に設けられた内蓋用差込口に差し込まれる内蓋差込片と、前記第2接続部の対向位置に、廃棄書類を投入可能な投入口を形成する折返し部とを設けた箱を用いる。そして、この箱の前記外蓋部を開放し、前記胴部の上端部を内蓋部で覆い、前記内蓋部の内蓋差込片を内蓋用差込口に差し込み、前記折返し部を折返して投入口を形成した状態で、前記廃棄書類を前記投入口から前記収容空間内に挿入し、前記収容空間内への廃棄文書の挿入が終了した場合には、前記折返し部で前記投入口を覆い、前記内蓋部の上に重なるように前記外蓋部を閉じた状態で前記箱を搬送し、前記箱を溶解処理する。 Further, the melting treatment method for solving the above-mentioned problems includes a square tubular body portion forming an accommodation space inside, a bottom portion connected to the body portion and covering the lower surface of the accommodation space, and a first upper side of the body portion. The first connection portion located at is connected to the body portion, and the inner lid portion covering the upper surface of the accommodation space and the second connection portion located on the second upper side intersecting the first upper side are connected to the body portion. An outer lid portion that can be overlapped with the inner lid portion is provided, the outer lid portion is provided with an outer lid insertion piece at the peripheral portion, and the inner lid portion is provided at the upper end peripheral edge of the body portion. A box provided with an inner lid insertion piece to be inserted into the provided inner lid insertion port and a folded-back portion for forming an insertion port into which waste documents can be inserted is used at a position facing the second connection portion. Then, the outer lid portion of the box is opened, the upper end portion of the body portion is covered with the inner lid portion, the inner lid insertion piece of the inner lid portion is inserted into the inner lid insertion port, and the folded portion is inserted. When the waste document is inserted into the accommodation space from the input port in a state where the input port is formed by folding back, and the insertion of the waste document into the accommodation space is completed, the input port is at the folded-back portion. The box is conveyed with the outer lid closed so as to cover the inner lid, and the box is melted.

本発明によれば、廃棄書類を容易に投入し、搬送時に密閉性を高めることができる。 According to the present invention, waste documents can be easily put in and the airtightness can be improved during transportation.

実施形態における箱を説明する説明図であって、(a)は前上方斜めからの斜視図、(b)は後上方斜めからの斜視図、(c)は底面図。It is explanatory drawing explaining the box in an embodiment, (a) is a perspective view from the front upper diagonal, (b) is a perspective view from the rear upper diagonal, and (c) is a bottom view. 実施形態における箱を説明する説明図であって、(a)は箱の展開図、(b)は展開状態の側面図。It is explanatory drawing explaining the box in an embodiment, (a) is the development view of the box, (b) is the side view of the expanded state. 実施形態における箱の組立方法を説明する模式図であって、(a)は側面部を折り畳む途中の状態の斜視図、(b)は側面部を内側に折り畳んだ状態の要部の概略断面図、(c)は内蓋部で収容空間の上面を覆う途中の斜視図、(d)は投入口を形成する途中の斜視図、(e)及び(f)は外蓋部を折り返す途中の斜視図。It is a schematic diagram explaining the method of assembling a box in an embodiment, (a) is a perspective view of a state in which a side surface portion is folded, and (b) is a schematic cross-sectional view of a main part in a state where the side surface portion is folded inward. , (C) is a perspective view in the middle of covering the upper surface of the accommodation space with the inner lid portion, (d) is a perspective view in the middle of forming the input port, and (e) and (f) are perspective views in the middle of folding back the outer lid portion. figure. 実施形態における箱の外蓋部を閉じる方法を説明する模式図であって、(a)は折返し部と外蓋部とを閉じる途中の状態の斜視図、(b)は外蓋部を閉じた状態の斜視図、(c)は外蓋部を閉じた状態の(b)とは異なる方向からの斜視図。It is a schematic diagram explaining the method of closing the outer lid part of a box in an embodiment, (a) is a perspective view of the state in which the folded-back part and the outer lid part are being closed, and (b) is the closed part of the outer lid part. A perspective view of the state, (c) is a perspective view from a direction different from that of (b) with the outer lid closed. 変更例における箱を説明する説明図であって、(a)は前上方斜めからの斜視図、(b)は後上方斜めからの斜視図。It is explanatory drawing explaining the box in the modified example, (a) is the perspective view from the front upper diagonal, and (b) is the perspective view from the rear upper diagonal. 図5に示した箱を説明する説明図であって、(a)は箱の展開図、(b)は箱の展開状態の側面図。It is explanatory drawing explaining the box shown in FIG. 5, (a) is the development view of the box, (b) is the side view of the expanded state of the box.

以下、図1〜図4を用いて、箱を具体化した一実施形態を説明する。本実施形態では、箱は、溶解処理を行なう廃棄書類を収容する溶解処理用箱として説明する。
図1(a)は、本実施形態における箱10の前上方斜めからの斜視図、図1(b)は、箱10の後上方斜めからの斜視図、図1(c)は、箱10の底部10bを下から見た図である。また、図2(a)は、箱10の展開図、図2(b)は、図2(a)の展開状態の箱10の側面図である。
Hereinafter, an embodiment in which the box is embodied will be described with reference to FIGS. 1 to 4. In the present embodiment, the box will be described as a dissolution processing box for accommodating waste documents to be dissolved.
1 (a) is a perspective view from the front and upper diagonal of the box 10 in the present embodiment, FIG. 1 (b) is a perspective view from the rear and upper diagonal of the box 10, and FIG. 1 (c) is a perspective view of the box 10. It is the figure which looked at the bottom part 10b from the bottom. 2 (a) is an unfolded view of the box 10, and FIG. 2 (b) is a side view of the unfolded box 10 of FIG. 2 (a).

<箱の全体形状>
図1に示すように、箱10は、横幅W1、奥行D1及び高さH1の略直方体に形成されている。本実施形態では、横幅W1は約274mm、奥行D1は、約355mm、高さH1は、約215mmである。
<Overall shape of the box>
As shown in FIG. 1, the box 10 is formed in a substantially rectangular parallelepiped having a width W1, a depth D1, and a height H1. In the present embodiment, the width W1 is about 274 mm, the depth D1 is about 355 mm, and the height H1 is about 215 mm.

箱10の内部には、直方体形状の収容空間S1が区画される。このため、箱10は、収容空間S1を形成する四角筒状の胴部10aと、収容空間S1の下面を覆う底部10bとを備える。底部10bは、後述する底板部16〜19が、ほぼ同一面内で組み合うことにより形成される。 Inside the box 10, a rectangular parallelepiped accommodation space S1 is partitioned. Therefore, the box 10 includes a square cylindrical body portion 10a forming the accommodation space S1 and a bottom portion 10b covering the lower surface of the accommodation space S1. The bottom portion 10b is formed by combining bottom plate portions 16 to 19, which will be described later, in substantially the same plane.

更に、箱10は、収容空間S1の上面を覆う内蓋部30と、内蓋部30の上に重なる外蓋部40とを備える。内蓋部30は、接続部31を介して接続される。この接続部31(第1接続部)は、胴部10aの上端部(第1上辺)に位置する。内蓋部30の前方端部の折返し部35は、折り曲げられて、内蓋部30の他の部分の上面に重なり、前方に投入口を形成する。 Further, the box 10 includes an inner lid portion 30 that covers the upper surface of the accommodation space S1 and an outer lid portion 40 that overlaps the inner lid portion 30. The inner lid portion 30 is connected via the connecting portion 31. The connecting portion 31 (first connecting portion) is located at the upper end portion (first upper side) of the body portion 10a. The folded-back portion 35 at the front end portion of the inner lid portion 30 is bent and overlaps the upper surface of the other portion of the inner lid portion 30 to form an input port in the front.

また、外蓋部40は、接続部41を介して、胴部10aに接続される。接続部41(第2接続部)は、接続部31と直交(直角に交差)する胴部10aの上端部(第2上辺)に位置する。 Further, the outer lid portion 40 is connected to the body portion 10a via the connecting portion 41. The connecting portion 41 (second connecting portion) is located at the upper end portion (second upper side) of the body portion 10a orthogonal to (crossing at a right angle) the connecting portion 31.

図1(a)及び図1(b)では、外蓋部40は、後側に折り曲げられて、その先端部分は、底部10bの下に配置されている。また、外蓋部40の外蓋第2差込片44は、箱10から側方に突出する。 In FIGS. 1 (a) and 1 (b), the outer lid portion 40 is bent rearward, and the tip portion thereof is arranged below the bottom portion 10b. Further, the outer lid second insertion piece 44 of the outer lid portion 40 projects laterally from the box 10.

<箱の各部の詳細>
次に、図2を用いて、上述した箱10の各部の詳細について説明する。この箱10は、図2(b)に示すように、厚さt1(例えば2mm程度)の紙製の段ボール1枚で構成される。
<Details of each part of the box>
Next, the details of each part of the box 10 described above will be described with reference to FIG. As shown in FIG. 2B, the box 10 is composed of one piece of paper corrugated cardboard having a thickness of t1 (for example, about 2 mm).

図2(a)に示すように、胴部10aは、前側胴部11、右側胴部12、後側胴部13及び左側胴部14からなり、これらの順番で連接される。前側胴部11、右側胴部12及び後側胴部13の縦長さは、箱10の高さH1と同じであり、左側胴部14の縦長さは、高さH1よりも数ミリ短い。前側胴部11及び後側胴部13の横幅は、箱10の横幅W1の長さであり、右側胴部12及び左側胴部14の横幅は、箱10の奥行D1の長さである。 As shown in FIG. 2A, the body portion 10a is composed of a front side body portion 11, a right side body portion 12, a rear side body portion 13, and a left side body portion 14, and are connected in this order. The vertical length of the front side body portion 11, the right side body part 12 and the rear side body part 13 is the same as the height H1 of the box 10, and the vertical length of the left side body part 14 is several millimeters shorter than the height H1. The width of the front body portion 11 and the rear side body portion 13 is the length of the width W1 of the box 10, and the width of the right side body portion 12 and the left side body portion 14 is the length of the depth D1 of the box 10.

左側胴部14の中央上部には、シール貼付領域14aが印刷される。このシール貼付領域14aは、二点鎖線で示すように、内蓋部30において後述するスリット32sの折返し部35側の端部を覆う位置に整合して配置される。
また、左側胴部14には、後側胴部13の反対側に糊代部15が接続されている。
A sticker sticking area 14a is printed on the upper center of the left body portion 14. As shown by the alternate long and short dash line, the sticker sticking area 14a is arranged so as to be aligned with the position of the inner lid portion 30 that covers the end portion of the slit 32s on the folded-back portion 35 side, which will be described later.
Further, the glue margin portion 15 is connected to the left side body portion 14 on the opposite side of the rear side body portion 13.

底部10bは、底板部16,17,18,19により構成される。各底板部16〜19は、それぞれ胴部(11〜14)の下端部に接続される。前側胴部11及び後側胴部13に接続される底板部16,18は、同じ略台形形状である。右側胴部12及び左側胴部14に接続される底板部17,19は、同じ形状(下端部中央に略三角形状の切欠き部を有した略長方形状)である。底板部17,19には、折り線17L,19L1,19L2が設けられている。折り線17L,19L1によって、接着領域17a,19aが区画される。 The bottom portion 10b is composed of bottom plate portions 16, 17, 18, and 19. The bottom plate portions 16 to 19 are connected to the lower end portions of the body portions (11 to 14), respectively. The bottom plate portions 16 and 18 connected to the front side body portion 11 and the rear side body portion 13 have the same substantially trapezoidal shape. The bottom plate portions 17 and 19 connected to the right side trunk portion 12 and the left side trunk portion 14 have the same shape (a substantially rectangular shape having a substantially triangular notch in the center of the lower end portion). Folded lines 17L, 19L1, 19L2 are provided on the bottom plate portions 17, 19. The adhesive regions 17a and 19a are partitioned by the folding lines 17L and 19L1.

前側胴部11の上端部(第3上辺)には、側面部21が、接続部22(第3接続部)を介して接続される。この側面部21は、箱10の高さH1に対応する長さであり、完成時には折り曲げられて前側胴部11と重なることにより、箱10の前側面を補強する。側面部21において、接続部22に対向する端部は、段付き形状となる。
接続部22には、離間して2つの差込口22h(外蓋用差込口)が形成されている。
A side surface portion 21 is connected to the upper end portion (third upper side) of the front side body portion 11 via a connecting portion 22 (third connecting portion). The side surface portion 21 has a length corresponding to the height H1 of the box 10, and is bent at the time of completion and overlaps with the front side body portion 11 to reinforce the front side surface of the box 10. In the side surface portion 21, the end portion facing the connecting portion 22 has a stepped shape.
Two insertion ports 22h (outer lid insertion ports) are formed in the connection portion 22 apart from each other.

右側胴部12の上端部(第4上辺)には、差込口形成部25が、接続部26(第4接続部)を介して接続される。差込口形成部25は、側面部21から長さL2aだけ離間した位置に配置される。この長さL2aが投入口の長さL3aより長いため、差込口形成部25は、投入口より後方に位置する。 An insertion port forming portion 25 is connected to the upper end portion (fourth upper side) of the right side body portion 12 via a connecting portion 26 (fourth connecting portion). The insertion port forming portion 25 is arranged at a position separated from the side surface portion 21 by a length L2a. Since this length L2a is longer than the length L3a of the insertion port, the insertion port forming portion 25 is located behind the insertion port.

接続部26には、後側胴部13の端部から長さL2bの位置に、差込口26sが形成されている。この差込口26sは、長さL2cの切込みであって、第2外蓋用差込口、内蓋用差込口及び折返し部用差込口として機能する。 The connecting portion 26 is formed with an insertion port 26s at a position having a length L2b from the end portion of the rear body portion 13. The insertion port 26s is a notch having a length L2c, and functions as a second outer lid insertion port, an inner lid insertion port, and a folding portion insertion port.

<外蓋部>
後側胴部13の上端部には、外蓋部40が、接続部41を介して接続される。
外蓋部40は、本体部と、2つの外蓋第1差込片43と、外蓋第2差込片44とからなる。外蓋第1差込片43は、本体部の上端部(接続部41に対向する端部)に接続される。外蓋第2差込片44は、本体部の側端部(接続部41と直交する方向に延在する端部)に接続される。
<Outer lid>
The outer lid portion 40 is connected to the upper end portion of the rear body portion 13 via the connecting portion 41.
The outer lid portion 40 includes a main body portion, two outer lid first insertion pieces 43, and an outer lid second insertion piece 44. The outer lid first insertion piece 43 is connected to the upper end portion (the end portion facing the connection portion 41) of the main body portion. The outer lid second insertion piece 44 is connected to a side end portion (end portion extending in a direction orthogonal to the connection portion 41) of the main body portion.

外蓋部40の本体部は、その短辺が箱10の横幅W1に対応し、長辺が奥行D1に対応する長方形状である。
2つの外蓋第1差込片43は、本体部の上端部に、離間して設けられており、上方に突出する。各外蓋第1差込片43は、接続部22の各差込口22hに挿入可能となる位置及び大きさで形成される。
The main body of the outer lid 40 has a rectangular shape in which its short side corresponds to the width W1 of the box 10 and its long side corresponds to the depth D1.
The two outer lid first insertion pieces 43 are provided apart from each other at the upper end portion of the main body portion, and project upward. Each outer lid first insertion piece 43 is formed at a position and a size that allows insertion into each insertion port 22h of the connection portion 22.

外蓋第2差込片44は、本体部の側端部の中央付近に配置されており、側方に突出する。接続部41から外蓋第2差込片44の上端部までの距離L4は、高さH1より数ミリ短い位置に設けられている。この外蓋第2差込片44は、接続部26の差込口26sに挿入可能な位置及び大きさで形成される。 The outer lid second insertion piece 44 is arranged near the center of the side end portion of the main body portion, and projects laterally. The distance L4 from the connecting portion 41 to the upper end portion of the outer lid second insertion piece 44 is provided at a position several millimeters shorter than the height H1. The outer lid second insertion piece 44 is formed at a position and a size that can be inserted into the insertion port 26s of the connection portion 26.

外蓋部40の本体部の外蓋第1差込片43側には、情報欄45が設けられている。この情報欄45には、サイン欄や発送時チェック欄が含まれる。
外蓋部40の本体部には、シール貼付領域40aが設けられる。このシール貼付領域40aは、外蓋第2差込片44が設けられた側端部に対向する側端部に配置され、外蓋部40を閉じた状態(収容空間S1の上面を覆った状態)においてシール貼付領域14aと整合する。
An information column 45 is provided on the outer lid first insertion piece 43 side of the main body portion of the outer lid portion 40. The information field 45 includes a sign field and a shipping check field.
A seal sticking area 40a is provided on the main body of the outer lid 40. The seal sticking area 40a is arranged at the side end portion facing the side end portion provided with the outer lid second insertion piece 44, and the outer lid portion 40 is closed (the upper surface of the accommodation space S1 is covered). ) Consistent with the seal affixing area 14a.

<内蓋部>
左側胴部14の上端部には、内蓋部30が、接続部31を介して接続される。
内蓋部30は、本体部と、上端部(端辺)から上方に突出した内蓋差込片32及び折返し差込片36とを備える。内蓋部30の本体部は、その短辺が箱10の横幅W1に対応し、長辺は奥行D1より約1mm短い長方形状である。
<Inner lid>
An inner lid portion 30 is connected to the upper end portion of the left side body portion 14 via a connecting portion 31.
The inner lid portion 30 includes a main body portion, an inner lid insertion piece 32 protruding upward from the upper end portion (end side), and a folded insertion piece 36. The main body of the inner lid 30 has a rectangular shape whose short side corresponds to the width W1 of the box 10 and whose long side is about 1 mm shorter than the depth D1.

内蓋部30の上端部の中央付近には、内蓋差込片32が設けられている。内蓋差込片32は、差込口26sに挿入可能な位置及び大きさである。この内蓋差込片32と、内蓋部30の本体部との接続部の中央には、スリット32sが設けられている。このスリット32sの折返し部35側の端部は、後述する折返し線34から、折返し部35の長さL3aの位置に設けられる。 An inner lid insertion piece 32 is provided near the center of the upper end portion of the inner lid portion 30. The inner lid insertion piece 32 has a position and a size that can be inserted into the insertion port 26s. A slit 32s is provided at the center of the connection portion between the inner lid insertion piece 32 and the main body portion of the inner lid portion 30. The end portion of the slit 32s on the folded-back portion 35 side is provided at a position of the length L3a of the folded-back portion 35 from the folding line 34 described later.

内蓋部30の本体部において、左端部から長さL3aの位置に、折返し線34が設けられる。折返し線34上には、離間した2つの切込み34cが設けられている。各切込み34cは、内蓋部30の裏面まで貫通している。更に、折返し線34の内側(収容空間S1側)には、切込み34cと連結し、貫通しない切り目が設けられている。そして、折返し線34の左側(外蓋部40の反対側)の領域が、折返し部35となる。この折返し部35の下端部と左側胴部14との間には、段付きのスリット31sが形成される。このため、折返し部35は、左側胴部14から切り離されている。
折返し部35の上端部には、折返し差込片36が設けられている。幅L3bの折返し差込片36は、折返し線34から距離L3cだけ離れた位置に配置されている。
A folding line 34 is provided at a position having a length L3a from the left end portion in the main body portion of the inner lid portion 30. Two notches 34c separated from each other are provided on the turn-around line 34. Each notch 34c penetrates to the back surface of the inner lid portion 30. Further, inside the folding line 34 (on the side of the accommodation space S1), a cut that is connected to the notch 34c and does not penetrate is provided. The area on the left side of the folding line 34 (opposite the outer lid portion 40) becomes the folding portion 35. A stepped slit 31s is formed between the lower end portion of the folded portion 35 and the left side body portion 14. Therefore, the folded-back portion 35 is separated from the left side body portion 14.
A folded-back insertion piece 36 is provided at the upper end of the folded-back portion 35. The folded-back insertion piece 36 having a width L3b is arranged at a position separated from the folded-back line 34 by a distance L3c.

<箱の製造>
箱10を製造する場合、まず、1枚の段ボールを、上述した図2の展開図で示した形状に切り抜く。そして、糊代部15を、前側胴部11の端部の内側に接着させて、環状の胴部10aを形成する。更に、底板部16の一部と底板部17の接着領域17aとを接着し、底板部17の一部と底板部19の接着領域19aとを接着する。そして、折り線17L,19L1,19L2で折り曲げ、胴部10aを角筒状に広げた場合に、底部10bを構成するように、底板部16〜19を組み合わせた状態にする。
<Manufacturing of boxes>
When manufacturing the box 10, first, one piece of corrugated cardboard is cut out into the shape shown in the developed view of FIG. 2 described above. Then, the glue margin portion 15 is adhered to the inside of the end portion of the front side body portion 11 to form an annular body portion 10a. Further, a part of the bottom plate portion 16 and the adhesive region 17a of the bottom plate portion 17 are adhered to each other, and a part of the bottom plate portion 17 and the adhesive region 19a of the bottom plate portion 19 are adhered to each other. Then, when the body portion 10a is expanded into a square cylinder by bending along the folding lines 17L, 19L1, 19L2, the bottom plate portions 16 to 19 are combined so as to form the bottom portion 10b.

<箱の組立方法>
箱10の使用前には、展開図の状態から2つ折りの状態で保管される。具体的には、後側胴部13及び左側胴部14の上に、前側胴部11及び右側胴部12が重なるようにして2つ折りにされる。この場合、底板部16〜19を組み合わせた状態で、底部10bを2つ折りにしておく。
<How to assemble the box>
Before using the box 10, it is stored in a folded state from the state of the developed view. Specifically, the front side body portion 11 and the right side body portion 12 are folded in half so as to overlap the rear side body portion 13 and the left side body portion 14. In this case, the bottom portion 10b is folded in half with the bottom plate portions 16 to 19 combined.

そして、図3に示すように、保管状態の箱10を使用する場合、収容空間S1を形成するように、2つ折りの状態から、箱10の胴部10aを角筒状に広げる。これに応じて、底板部16〜19は、それぞれ一部が重なって底部10bを構成する。 Then, as shown in FIG. 3, when the box 10 in the stored state is used, the body portion 10a of the box 10 is expanded into a square cylinder from the folded state so as to form the accommodation space S1. Correspondingly, the bottom plate portions 16 to 19 are partially overlapped with each other to form the bottom portion 10b.

図3(a)に示すように、角筒状に広げた箱10の前側胴部11に連接した側面部21を、収容空間S1側(内側)に折り曲げる。
ここでは、図3(b)に示すように、側面部21を、前側胴部11と重なるまで折り曲げる。この場合、側面部21の端部の段付き部に、底部10bの底板部19の端部が掛止する。更に、前側胴部11と側面部21の上端部に、差込口22hが位置する。
As shown in FIG. 3A, the side surface portion 21 connected to the front side body portion 11 of the box 10 spread out in a square cylinder shape is bent toward the accommodation space S1 side (inside).
Here, as shown in FIG. 3B, the side surface portion 21 is bent until it overlaps with the front side body portion 11. In this case, the end portion of the bottom plate portion 19 of the bottom portion 10b is hooked on the stepped portion of the end portion of the side surface portion 21. Further, the insertion port 22h is located at the upper ends of the front body portion 11 and the side surface portion 21.

そして、図3(c)に示すように、接続部26を折って、差込口形成部25を収容空間S1の上に配置する。この場合、内蓋部30の端部(右側胴部12の上端部)に、差込口26sが位置する。
更に、接続部31を折って、内蓋部30を、差込口形成部25の上に重ねる。この場合、内蓋部30の内蓋差込片32を、差込口26sに差し込む。
Then, as shown in FIG. 3C, the connection portion 26 is folded and the insertion port forming portion 25 is arranged on the accommodation space S1. In this case, the insertion port 26s is located at the end of the inner lid portion 30 (the upper end portion of the right side body portion 12).
Further, the connecting portion 31 is folded and the inner lid portion 30 is overlapped on the insertion port forming portion 25. In this case, the inner lid insertion piece 32 of the inner lid portion 30 is inserted into the insertion port 26s.

そして、図3(d)に示すように、内蓋部30の切込み34c及び切り目に沿って折返し線34を折って、折返し部35を折返して、内蓋部30の本体部の中央に重ねる。 Then, as shown in FIG. 3D, the folded line 34 is folded along the cut 34c and the cut of the inner lid portion 30, the folded portion 35 is folded back, and the folded portion 35 is overlapped with the center of the main body portion of the inner lid portion 30.

ここで、折返し差込片36を、内蓋差込片32と重なった状態で、差込口26sに差し込む。そして、差込口26sに差し込まれた折返し差込片36の端部は、スリット32sの端部に係止される。 Here, the folded-back insertion piece 36 is inserted into the insertion port 26s in a state of being overlapped with the inner lid insertion piece 32. Then, the end portion of the folded insertion piece 36 inserted into the insertion port 26s is locked to the end portion of the slit 32s.

その後、図3(e)に示すように、接続部41を折って、外蓋部40を後ろ側に折り返す。
そして、図3(f)に示すように、外蓋部40の先端(箱10の高さH1より先の部分)を折り曲げ、底部10bの下に配置する。
After that, as shown in FIG. 3 (e), the connecting portion 41 is folded and the outer lid portion 40 is folded back.
Then, as shown in FIG. 3 (f), the tip of the outer lid portion 40 (the portion beyond the height H1 of the box 10) is bent and placed below the bottom portion 10b.

これにより、図1(a)及び図1(b)に示すように、投入口を前方に設けた箱10が完成する。そして、投入口から投入された廃棄文書は、箱10の収容空間S1に収容される。 As a result, as shown in FIGS. 1 (a) and 1 (b), the box 10 having the input port in front is completed. Then, the waste document thrown in from the slot is stored in the storage space S1 of the box 10.

<箱の密閉>
その後、箱10の収容空間S1が廃棄文書で満たされた場合、箱10を搬送するために密閉する。
<Sealing the box>
After that, when the storage space S1 of the box 10 is filled with the disposal document, the box 10 is sealed to be transported.

図4(a)に示すように、この密閉時においては、折返し差込片36を、差込口26sから取り外し、折返し線34における折り曲げを元に戻して、折返し部35で投入口を覆って、投入口を塞ぐ。この場合、折返し差込片36を、投入口内で、収容空間S1に収容された廃棄文書との隙間に差し込む。 As shown in FIG. 4A, at the time of this sealing, the folded-back insertion piece 36 is removed from the insertion port 26s, the bending at the folding-back line 34 is restored, and the folding-back portion 35 covers the insertion port. , Close the slot. In this case, the folded-back insertion piece 36 is inserted into the gap between the folded-back insertion piece 36 and the waste document stored in the storage space S1 in the slot.

そして、外蓋部40の先端を底部10bの下から引き出し、接続部41を反対側に折り曲げて、外蓋部40を内蓋部30の上に重ねる。そして、外蓋部40の各外蓋第1差込片43を、各差込口22hに差し込み、外蓋部40の外蓋第2差込片44を、差込口26sに差し込む。 Then, the tip of the outer lid portion 40 is pulled out from under the bottom portion 10b, the connection portion 41 is bent to the opposite side, and the outer lid portion 40 is overlapped on the inner lid portion 30. Then, each outer lid first insertion piece 43 of the outer lid portion 40 is inserted into each insertion port 22h, and the outer lid second insertion piece 44 of the outer lid portion 40 is inserted into the insertion port 26s.

この場合、図4(b)に示すように、差込口26sには、外蓋部40の外蓋第2差込片44及び内蓋部30の内蓋差込片32が重なって挿入される。
図4(c)に示すように、外蓋部40のシール貼付領域40aと、左側胴部14のシール貼付領域14aとを整合させて、この位置に、封印シールを貼付する。
In this case, as shown in FIG. 4B, the outer lid second insertion piece 44 of the outer lid portion 40 and the inner lid insertion piece 32 of the inner lid portion 30 are inserted into the insertion port 26s so as to overlap each other. The closure.
As shown in FIG. 4C, the sticker sticking area 40a of the outer lid portion 40 and the sticker sticking area 14a of the left side body portion 14 are aligned, and the seal sticker is stuck at this position.

この場合、投入口を覆った折返し部35の上には、外蓋部40の情報欄45が配置される。この情報欄45のサイン欄や発送時チェック欄に、発送時のサインやチェックを行なう。そして、密閉された箱10を、溶解処理施設に搬送する。 In this case, the information column 45 of the outer lid portion 40 is arranged on the folded-back portion 35 that covers the insertion port. The sign and check at the time of shipment are performed in the sign column and the check column at the time of shipment of this information column 45. Then, the sealed box 10 is transported to the melting treatment facility.

本実施形態によれば、以下のような効果を得ることができる。
(1)本実施形態では、内蓋部30には、接続部31と直交する方向で、外蓋部40の反対の端部に、折返し部35が形成される。この折返し部35を折り返すことにより投入口が形成され、元に戻すことにより投入口を覆う。これにより、廃棄書類を収容する際には、投入口を前面側に配置できる。また、投入口を大きくしても、この投入口を内蓋部30の折返し部35及び外蓋部40の両方で覆うので、収容した廃棄書類の密閉性を高めることができる。
According to this embodiment, the following effects can be obtained.
(1) In the present embodiment, the inner lid portion 30 is formed with a folded portion 35 at the opposite end portion of the outer lid portion 40 in the direction orthogonal to the connecting portion 31. The input port is formed by folding back the folded-back portion 35, and the input port is covered by returning the folded portion 35 to its original position. As a result, when storing the waste documents, the input port can be arranged on the front side. Further, even if the input port is made large, since this input port is covered by both the folded-back portion 35 and the outer lid portion 40 of the inner lid portion 30, the airtightness of the stored waste documents can be improved.

(2)本実施形態の折返し部35は、折返し差込片36を備える。折返し部35を折り返した際に、折返し差込片36を差込口26sに差し込むことにより、折返し部35を折り返して投入口を開放状態に維持することができる。 (2) The folded-back portion 35 of the present embodiment includes a folded-back insertion piece 36. By inserting the folded-back insertion piece 36 into the insertion port 26s when the folded-back portion 35 is folded back, the folded-back portion 35 can be folded back and the insertion port can be maintained in an open state.

(3)本実施形態では、側面部21を前側胴部11と重なるように折り曲げることにより、差込口22hを前側胴部11の上端部に配置する。これにより、前側胴部11の上端部で、外蓋部40の外蓋第1差込片43を差込口22hに差し込むことができる。 (3) In the present embodiment, the side surface portion 21 is bent so as to overlap the front side body portion 11 so that the insertion port 22h is arranged at the upper end portion of the front side body portion 11. As a result, at the upper end of the front body portion 11, the outer lid first insertion piece 43 of the outer lid portion 40 can be inserted into the insertion port 22h.

(4)本実施形態では、外蓋部40の差込片(43,44)を、前側胴部11の差込口22hと右側胴部12の差込口26sに差し込む。これにより、外蓋部40を前側及び右側で固定するので、収容空間S1の上面を、より確実に覆うことができる。 (4) In the present embodiment, the insertion piece (43,44) of the outer lid portion 40 is inserted into the insertion port 22h of the front side body portion 11 and the insertion port 26s of the right side body portion 12. As a result, the outer lid portion 40 is fixed on the front side and the right side, so that the upper surface of the accommodation space S1 can be covered more reliably.

(5)本実施形態では、箱10を、段ボール1枚で構成する。これにより、効率的に箱10を作成することができる。
(6)本実施形態では、折返し線34上に切込み34cを設ける。これにより、折返し線34において、効率的に折返し部35を折り返すことができる。
(5) In the present embodiment, the box 10 is composed of one corrugated cardboard. This makes it possible to efficiently create the box 10.
(6) In the present embodiment, a notch 34c is provided on the folding line 34. As a result, the folded portion 35 can be efficiently folded back at the folded line 34.

本実施形態は、以下のように変更して実施することができる。本実施形態及び以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施することができる。
・上記実施形態では、箱10の高さH1を、横幅W1や奥行D1よりも低くした。箱の高さはこれに限定されるものではない。
This embodiment can be modified and implemented as follows. The present embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
-In the above embodiment, the height H1 of the box 10 is made lower than the width W1 and the depth D1. The height of the box is not limited to this.

図5及び図6に示す箱60のように、高さH2を、横幅W1や奥行D1よりも高くしてもよい。図5(a)及び図6(a)に示すように、箱60は、胴部60aを構成する前側胴部61、右側胴部62、後側胴部63及び左側胴部64と、前側胴部61と重なる側面部66の長さ、糊代部65の長さ以外は、上記第1実施形態の箱10の構成とほぼ同様である。図6(b)に示すように、この箱60は、箱10と同様に、厚さt1の紙製の段ボール1枚で形成される。箱60は、箱10よりも多量の廃棄書類を収容することができる。また、この箱60の外蓋部40には、接続部41から長さL6分の位置に曲げ線42が設けられている。図5(b)に示すように、この曲げ線42は、箱60の利用時に、外蓋部40を折り曲げる位置を示す線である。
更に、箱の高さH1、横幅W1、奥行D1の比率も、箱10,60の比率に限定されない。例えば、横幅W1を奥行D1より長くしてもよい。
As in the box 60 shown in FIGS. 5 and 6, the height H2 may be higher than the width W1 and the depth D1. As shown in FIGS. 5 (a) and 6 (a), the box 60 includes the front side body portion 61, the right side body part 62, the rear side body part 63 and the left side body part 64, and the front side body portion 64 constituting the body portion 60a. Except for the length of the side surface portion 66 overlapping the portion 61 and the length of the glue margin portion 65, the configuration of the box 10 of the first embodiment is substantially the same. As shown in FIG. 6 (b), the box 60 is made of one piece of paper corrugated cardboard having a thickness of t1 like the box 10. Box 60 can accommodate a larger amount of waste documents than Box 10. Further, the outer lid portion 40 of the box 60 is provided with a bending line 42 at a position L6 minutes in length from the connecting portion 41. As shown in FIG. 5B, the bending line 42 is a line indicating a position where the outer lid portion 40 is bent when the box 60 is used.
Further, the ratio of the height H1 of the box, the width W1 and the depth D1 is not limited to the ratio of the boxes 10 and 60. For example, the width W1 may be longer than the depth D1.

・上記実施形態では、外蓋部40は、本体部の上端部に接続する外蓋第1差込片43と、本体部の側端部に接続する外蓋第2差込片44とを備える。外蓋部40の差込片(43,44)の数や配置は、これらに限定されない。例えば、外蓋第1差込片43を1つや3つ以上にしてもよい。更に、外蓋第2差込片44を複数設けてもよい。また、接続部31に差込口を設け、この差込口に差し込む差込片を、外蓋部40に設けてもよい。 In the above embodiment, the outer lid portion 40 includes an outer lid first insertion piece 43 connected to the upper end portion of the main body portion and an outer lid second insertion piece 44 connected to the side end portion of the main body portion. .. The number and arrangement of the insertion pieces (43,44) of the outer lid portion 40 are not limited thereto. For example, the number of the outer lid first insertion piece 43 may be one or three or more. Further, a plurality of outer lid second insertion pieces 44 may be provided. Further, the connection portion 31 may be provided with an insertion port, and the insertion piece to be inserted into the insertion port may be provided in the outer lid portion 40.

・上記実施形態では、差込口形成部25が右側胴部12と接続する接続部26には、内蓋差込片32及び折返し差込片36が挿し込まれる差込口26sを設けた。接続部26に設ける差込口は、1つに限定されない。例えば、接続部26に複数の差込口を設け、各差込口に、内蓋差込片32及び折返し差込片36をそれぞれ差し込んでもよい。更に、折返し差込片36を差し込む差込口を、接続部26ではなく内蓋差込片32に設けてもよい。また、折返し部35に折返し差込片36を設けなくてもよい。この場合、折返し部35の折返し状態を保持するために、折返し部35の上面に仮止め用の接着面を設けてもよい。 -In the above embodiment, the connection portion 26 in which the insertion port forming portion 25 is connected to the right side body portion 12 is provided with an insertion port 26s into which the inner lid insertion piece 32 and the folded insertion piece 36 are inserted. The number of outlets provided in the connection portion 26 is not limited to one. For example, a plurality of insertion ports may be provided in the connection portion 26, and the inner lid insertion piece 32 and the folded insertion piece 36 may be inserted into each insertion port. Further, the insertion port for inserting the folded insertion piece 36 may be provided in the inner lid insertion piece 32 instead of the connection portion 26. Further, it is not necessary to provide the folded-back insertion piece 36 in the folded-back portion 35. In this case, in order to maintain the folded state of the folded portion 35, an adhesive surface for temporary fixing may be provided on the upper surface of the folded portion 35.

・上記実施形態の箱10では、内蓋部30を左側胴部14に接続し、外蓋部40を後側胴部13に接続した。内蓋部30及び外蓋部40の配置はこれに限定されない。例えば、内蓋部30を右側胴部12に接続し、差込口形成部25を左側胴部14に接続させてもよい。 In the box 10 of the above embodiment, the inner lid portion 30 is connected to the left side body portion 14, and the outer lid portion 40 is connected to the rear side body portion 13. The arrangement of the inner lid portion 30 and the outer lid portion 40 is not limited to this. For example, the inner lid portion 30 may be connected to the right side body portion 12, and the insertion port forming portion 25 may be connected to the left side body portion 14.

D1…奥行、H1,H2…高さ、L4…距離、S1…収容空間、t1…厚さ、W1…横幅、L2a,L2b,L2c,L3a,L6…長さ、L3b…幅、L3c…距離、10,60…箱、10a,60a…胴部、10b…底部、11,61…前側胴部、12,62…右側胴部、13,63…後側胴部、14,64…左側胴部、14a,40a…シール貼付領域、15,65…糊代部、16,17,18,19…底板部、17a,19a…接着領域、17L,19L1,19L2…折り線、21,66…側面部、22,26,31,41…接続部、22h,26s…差込口、25…差込口形成部、30…内蓋部、31s,32s…スリット、32…内蓋差込片、34…折返し線、34c…切込み、35…折返し部、36…折返し差込片、40…外蓋部、42…曲げ線、43…外蓋第1差込片、44…外蓋第2差込片、45…情報欄。 D1 ... depth, H1, H2 ... height, L4 ... distance, S1 ... accommodation space, t1 ... thickness, W1 ... width, L2a, L2b, L2c, L3a, L6 ... length, L3b ... width, L3c ... distance, 10,60 ... Box, 10a, 60a ... Body, 10b ... Bottom, 11,61 ... Front body, 12,62 ... Right body, 13,63 ... Rear body, 14,64 ... Left body, 14a, 40a ... Seal sticking area, 15,65 ... Glue margin part, 16,17,18,19 ... Bottom plate part, 17a, 19a ... Adhesive area, 17L, 19L1,19L2 ... Folded line, 21,66 ... Side part, 22, 26, 31, 41 ... Connection part, 22h, 26s ... Insertion port, 25 ... Insertion port forming part, 30 ... Inner lid part, 31s, 32s ... Slit, 32 ... Inner lid insertion piece, 34 ... Folded back Wire, 34c ... Notch, 35 ... Folded part, 36 ... Folded insert piece, 40 ... Outer lid part, 42 ... Bending wire, 43 ... Outer lid first insertion piece, 44 ... Outer lid second insertion piece, 45 … Information column.

Claims (5)

内部に収容空間を形成する角筒状の胴部と、
この胴部に接続し前記収容空間の下面を覆う底部と、
前記胴部の第1上辺に位置する第1接続部で前記胴部に接続し、前記収容空間の上面を覆う内蓋部と、
前記第1上辺と交差する第2上辺に位置する第2接続部で前記胴部に接続し、前記内蓋部と重ね合わせ可能な外蓋部とを備え、
前記外蓋部には、周縁部に外蓋差込片を設け、
前記内蓋部には、
前記胴部の上端周縁に設けられた内蓋用差込口に差し込まれる内蓋差込片と、
前記第2接続部の対向位置に、廃棄書類を投入可能な投入口を形成する折返し部とを設けたことを特徴とする箱。
A square tubular body that forms a storage space inside,
The bottom, which is connected to the body and covers the lower surface of the accommodation space,
An inner lid portion that is connected to the body portion by a first connection portion located on the first upper side of the body portion and covers the upper surface of the accommodation space, and an inner lid portion.
A second connecting portion located on the second upper side that intersects with the first upper side is connected to the body portion, and is provided with an inner lid portion and an outer lid portion that can be superposed.
The outer lid portion is provided with an outer lid insertion piece on the peripheral portion.
On the inner lid,
An inner lid insertion piece to be inserted into an inner lid insertion port provided on the upper peripheral periphery of the body portion, and an inner lid insertion piece.
A box characterized in that a folded-back portion for forming an input port into which waste documents can be input is provided at a position facing the second connection portion.
前記折返し部には、前記内蓋差込片が形成された端辺に折返し差込片が設けられており、
前記胴部の上端周縁には、前記折返し差込片が挿し込まれる折返し部用差込口が設けられていることを特徴とする請求項1に記載の箱。
The folded-back portion is provided with a folded-back insertion piece at the end on which the inner lid insertion piece is formed.
The box according to claim 1, wherein a folded-back portion insertion port into which the folded-back insertion piece is inserted is provided on the upper end peripheral edge of the body portion.
前記胴部において、前記第2接続部と対向する第3上辺に配置された第3接続部を介して、前記胴部と接続する側面部を更に備え、
前記第3接続部には、前記外蓋差込片を挿入する外蓋用差込口が設けられていることを特徴とする請求項1又は2に記載の箱。
The body portion is further provided with a side surface portion that connects to the body portion via a third connection portion arranged on a third upper side facing the second connection portion.
The box according to claim 1 or 2, wherein the third connection portion is provided with an outer lid insertion port for inserting the outer lid insertion piece.
前記胴部において、前記第1接続部と対向する第4上辺に配置された第4接続部を介して、前記胴部と接続し、前記内蓋用差込口が形成される差込口形成部を更に備え、
前記外蓋部は、前記外蓋用差込口に挿入可能な外蓋第1差込片と、この外蓋第1差込片が設けられた端辺とは異なる端辺に設けられた外蓋第2差込片とを備え、
前記差込口形成部には、前記外蓋第2差込片を差し込む第2外蓋用差込口が形成されていることを特徴とする請求項3に記載の箱。
In the body portion, an insertion port is formed in which the body portion is connected to the body portion via a fourth connection portion arranged on the fourth upper side facing the first connection portion and the inner lid insertion port is formed. With more parts
The outer lid portion is provided on an outer side different from the outer lid first insertion piece that can be inserted into the outer lid insertion port and the end side on which the outer lid first insertion piece is provided. Equipped with a second plug for the lid
The box according to claim 3, wherein the insertion port forming portion is formed with an insertion port for a second outer lid into which the second outer lid insertion piece is inserted.
請求項1〜4の何れか1項に記載の箱を用いて、廃棄書類の溶解処理を行なう方法であって、
前記箱の前記外蓋部を開放し、前記胴部の上端部を内蓋部で覆い、
前記内蓋部の内蓋差込片を内蓋用差込口に差し込み、前記折返し部を折返して投入口を形成した状態で、前記廃棄書類を前記投入口から前記収容空間内に挿入し、
前記収容空間内への廃棄文書の挿入が終了した場合には、前記折返し部で前記投入口を覆い、前記内蓋部の上に重なるように前記外蓋部を閉じた状態で前記箱を搬送し、前記箱を溶解処理することを特徴とする溶解処理方法。
A method for dissolving waste documents using the box according to any one of claims 1 to 4.
The outer lid portion of the box is opened, and the upper end portion of the body portion is covered with the inner lid portion.
The waste document is inserted into the storage space from the insertion port in a state where the inner lid insertion piece of the inner lid portion is inserted into the inner lid insertion port and the folded portion is folded back to form the insertion port.
When the insertion of the discarded document into the accommodation space is completed, the box is transported with the folded-back portion covering the input port and the outer lid portion closed so as to overlap the inner lid portion. A melting treatment method, which comprises melting the box.
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JPH085121Y2 (en) * 1989-11-07 1996-02-14 株式会社山博 Waste storage box
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