JP3206699U - Food packaging box - Google Patents

Abstract

【課題】１枚の発泡樹脂製の板材を使用して、安価に量産できる、従来とは異なる形状の筒状本体を形成した食品用包装箱を提供する。【解決手段】一端を開口した筒状本体１の他端部側を底板２で閉塞した食品用包装箱であって、筒状本体は、１枚の発泡樹脂製の板材１１を対向する角部側に略同一大きさの一対の切欠凹部Ｓ１、Ｓ２を有する変形四角形状の筒状に折り曲げて、板材１１の両端を固着して構成する。両切欠凹部Ｓ１、Ｓ２は筒状本体１の一方の対向角部側に位置させて、板材１１を略Ｌ字形状に対称的に折り曲げた折曲壁で形成する。筒状本体１の各角部１２ａ〜１２ｇは、板材１１の各角部１２ａ〜１２ｇの内側部に位置する面における所定の部位に設けた折り線１３、１４に沿って板材１１を折り曲げて形成する。【選択図】図１The present invention provides a food packaging box in which a cylindrical main body having a shape different from the conventional one is formed, which can be mass-produced at low cost, using a single sheet of foam resin. A food packaging box in which the other end side of a cylindrical main body 1 with one end opened is closed with a bottom plate 2, the cylindrical main body having a corner portion facing one sheet of foamed resin plate 11. The plate material 11 is formed by being bent into a deformed quadrangular cylindrical shape having a pair of cutout recesses S1 and S2 having substantially the same size on the side. Both notch recesses S1 and S2 are positioned on one opposing corner of the cylindrical main body 1, and are formed by bent walls obtained by symmetrically bending the plate member 11 into a substantially L shape. The corner portions 12a to 12g of the cylindrical main body 1 are formed by bending the plate material 11 along fold lines 13 and 14 provided at predetermined portions on the surface located inside the corner portions 12a to 12g of the plate material 11. To do. [Selection] Figure 1

Description

本考案は、各種の弁当、その他の各種食品を収容する食品用包装箱に関する。   The present invention relates to a food packaging box for storing various types of lunch boxes and other various foods.

従来、食品用包装箱として、四角形断面や六角形或いは八角形断面に形成した発泡樹脂製の筒状本体の上端を開口すると共に下端部を底板で閉塞した包装箱が一般に知られている（例えば特許文献１参照）。   Conventionally, as a packaging box for food, a packaging box in which the upper end of a cylindrical body made of foamed resin formed in a square cross section, a hexagonal shape, or an octagonal cross section is opened and the lower end portion is closed with a bottom plate is generally known (for example, Patent Document 1).

特許文献１に記載の食品用包装箱（以下、「先行技術」という）の筒状本体は、発泡樹脂製の板材の一方の面の所定の部位にＶカット等の折り線を施し、前記各折り線に沿わせて前記板材を折り曲げると共に前記板材の両端を接着等で固着して構成されている。   The cylindrical main body of the food packaging box described in Patent Document 1 (hereinafter referred to as “prior art”) is provided with a fold line such as a V-cut on a predetermined portion of one surface of a foam resin plate, The plate material is bent along a fold line, and both ends of the plate material are fixed by bonding or the like.

実用新案登録第３１５５９８１号公報Utility Model Registration No. 31555981

先行技術によれば保温性（保温効果）を有する食品用包装箱を得ることができる。しかし、先行技術の筒状本体は、前記板材の一方の面の所定部位に折り線を施し、前記各折り線に沿わせて前記板材を折り曲げると共に板材の両端を固着して構成されているため、筒状本体の断面形状は、四角形、六角形その他の多角形等の限られた形状になる。   According to the prior art, it is possible to obtain a food packaging box having heat retention (heat retention effect). However, the cylindrical body of the prior art is configured by forming a fold line on a predetermined portion of one surface of the plate material, bending the plate material along each fold line, and fixing both ends of the plate material. The cross-sectional shape of the cylindrical main body is a limited shape such as a quadrangle, a hexagon, or another polygon.

ところで、近時、当業界においては、先行技術のような四角形等の一般的な形状とは異なる形状の食品用包装箱の開発が望まれている。しかし、１枚の発泡樹脂製の板材を使用して筒状本体を形成した食品用包装箱については未だ提案されていない。   By the way, recently, development of a food packaging box having a shape different from a general shape such as a quadrangle as in the prior art is desired in the industry. However, a food packaging box in which a cylindrical main body is formed using one sheet of foamed resin has not been proposed yet.

本考案は上記のような事情に鑑みてなされたもので、１枚の発泡樹脂製の板材を使用して、従来とは異なる形状の筒状本体を形成した食品用包装箱を簡単かつ安価に量産できる技術を提供することを目的とするものである。   The present invention has been made in view of the above circumstances, and a simple and inexpensive food packaging box in which a cylindrical body having a shape different from the conventional one is formed using a single sheet of foam resin. The purpose is to provide technology that can be mass-produced.

上記目的を達成するため、本考案のうち、１つの考案（第１の考案）は、一端を開口した筒状本体の他端部側を底板で閉塞した食品用包装箱であって、
前記本体は、１枚の発泡樹脂製の板材を、対向する角部側に略同一大きさの一対の切欠凹部を有する変形四角形状の筒状に折り曲げて、前記板材の両端を接着その他の手段で固着して構成され、
前記両切欠凹部は、前記本体の対向する二つの対向角部のうち、一方の対向角部側に位置させて、前記本体を構成する前記板材を略Ｌ字形状に対称的に折り曲げた折曲壁で形成され、
前記本体の各角部は、前記板材の前記各角部の内側部に位置する面における所定の部位に設けた折り線に沿って前記板材を折り曲げて形成されていることを特徴とする。 In order to achieve the above object, one of the present inventions (first invention) is a food packaging box in which the other end of the cylindrical body with one end opened is closed with a bottom plate,
The main body is formed by bending one sheet of foamed resin plate into a deformed quadrangular cylindrical shape having a pair of cutout recesses of substantially the same size on opposite corners, and bonding the both ends of the plate. It is composed by fixing with
The both notch recesses are located on one of the opposing corners of the main body facing each other, and are bent by symmetrically bending the plate material constituting the main body into a substantially L shape. Formed with walls,
Each corner portion of the main body is formed by bending the plate material along a fold line provided at a predetermined portion on a surface located inside the corner portion of the plate material.

上記のように構成すると、１枚の発泡樹脂製の板材を各折り線に沿って折り曲げると共に、前記板材の両端を接着等により固着することにより、先行技術のような一般的な形状とは異なる形状及びデザインの筒状本体を形成することができる。そして、前記本体の底部を底板で閉塞することにより、食品用包装箱を製造できる。   If comprised as mentioned above, it will differ from the general shape like a prior art by bend | folding one board | plate made from a foaming resin along each fold line, and adhering the both ends of the said board | plate material by adhesion | attachment etc. A cylindrical body of shape and design can be formed. And the packaging box for foodstuffs can be manufactured by obstruct | occluding the bottom part of the said main body with a baseplate.

本考案の他の１つの考案（第２の考案）は、第１の考案の食品用包装箱において、前記本体は、前記本体の内側壁面における前記他端部側近くに沿わせて設けた係合溝を有し、
前記底板は、その周縁を前記係合溝に係合して前記本体に固定して設けられていることを特徴とする。 Another device of the present invention (second device) is a food packaging box according to the first device, wherein the main body is provided along the other side of the inner wall surface of the main body. Have a groove,
The bottom plate is provided with its peripheral edge engaged with the engagement groove and fixed to the main body.

本考案のさらに他の１つの考案（第３の考案）は、第１及び第２の考案の食品用包装箱において、前記包装箱は、前記本体内に取出し可能に設けた中仕切部をさらに備え、前記中仕切部は分解可能に形成されていることを特徴とする。   Still another device of the present invention (third device) is the food packaging box according to the first and second devices, wherein the packaging box further includes a partition portion provided in the main body so as to be removable. And the partition is formed so as to be disassembled.

本考案によれば次のような作用効果を奏する。
（１）１枚の発泡樹脂製の板材を使用して、筒状本体を従来の一般的な形状の筒状本体とは形状及びデザインを全く異にする食品用包装箱を簡単かつ、安価に量産することができる。
（２）１枚の発泡樹脂製の板材を各折り線に沿わせて折り曲げると共に前記板材の両端を接着等により固着することにより筒状本体で形成できるので、量産に適した包装箱の製造技術を提供することができる。
（３）第３の考案によれば、前記諸効果に加え、包装箱の筒状本体内を仕切板で区分けして仕切ることができる。 According to the present invention, the following operational effects can be obtained.
(1) Using a single sheet of foam resin, a simple and inexpensive food packaging box that is completely different in shape and design from the conventional cylindrical body Can be mass-produced.
(2) A technology for manufacturing a packaging box suitable for mass production, since a sheet of foamed resin can be formed with a cylindrical body by bending a plate material along each fold line and fixing both ends of the plate material by bonding or the like. Can be provided.
(3) According to the third device, in addition to the effects described above, the inside of the cylindrical main body of the packaging box can be partitioned by the partition plate.

本考案の一実施形態の食品用包装箱の構成を概略的に示す説明斜視図である。It is an explanatory perspective view showing roughly the composition of the food packaging box of one embodiment of the present invention. 図１のＡ−Ａ線で切断した説明断面図である。It is explanatory sectional drawing cut | disconnected by the AA line of FIG. 前記食品用包装箱内に設ける中仕切部の構成を概略的に示す説明斜視図である。It is a description perspective view which shows roughly the structure of the partition part provided in the said food packaging box. 前記食品用包装箱の筒状本体の構成を概略的に示す図であって、同図（ａ）は説明平面図、同図（ｂ）は同図（ａ）の仮想円線Ｕの部位を拡大し、その構成を概略的に示す説明平面図、同図（ｃ）は同図（ａ）の仮想円線Ｖの部位を拡大し、その構成を概略的に示す説明平面図である。It is a figure which shows the structure of the cylindrical main body of the said food packaging box, Comprising: The figure (a) is explanatory plan view, The figure (b) shows the site | part of the virtual circular line U of the figure (a). FIG. 2C is an explanatory plan view schematically showing the configuration of the enlarged view, and FIG. 4C is an explanatory plan view schematically showing the configuration of the virtual circle V in FIG. 図１の食品用包装箱の筒状本体の製造工程を示す説明図であって、同図（ａ）は箱材料板の幅方向に折り線を施す工程を示す説明平面図、同図（ｂ）は同じく説明側面図である。It is explanatory drawing which shows the manufacturing process of the cylindrical main body of the food packaging box of FIG. 1, Comprising: The figure (a) is an explanatory top view which shows the process of making a fold line in the width direction of a box material board, The figure (b) ) Is also an explanatory side view. 前記筒状本体を構成する板材を製造する工程を示す説明図であって、同図（ａ）は説明平面図、同図（ｂ）は同じく説明側面図である。It is explanatory drawing which shows the process of manufacturing the board | plate material which comprises the said cylindrical main body, Comprising: The figure (a) is an explanatory plan view, The same figure (b) is an explanatory side view. 同じく前記筒状本体を構成する板材を製造する工程を示す説明図であって、同図（ａ）は図６（ｂ）の仮想円線Ｗの部位を拡大し、その構成を概略的に示す説明側面図、同図（ｂ）は図６（ｂ）の仮想円線Ｘの部位を拡大し、その構成を概略的に示す説明側面図、同図（ｃ）は図６（ｂ）の仮想円線Ｙの部位を拡大し、その構成を概略的に示す説明側面図、同図（ｄ）は図６（ｂ）の仮想円線Ｚの部位を拡大し、その構成を概略的に示す説明側面図、同図（ｅ）は一板の前記板材の一部を拡大し、その構成を概略的に示す説明平面図、同図（ｆ）は同図（ｅ）のＢ−Ｂ線拡大説明断面図である。It is explanatory drawing which similarly shows the process of manufacturing the board | plate material which comprises the said cylindrical main body, Comprising: The figure (a) expands the site | part of the virtual circle line W of FIG.6 (b), and shows the structure schematically. FIG. 6B is an explanatory side view, FIG. 6B is an explanatory side view schematically illustrating the configuration of the virtual circle X in FIG. 6B, and FIG. 6C is a virtual view of FIG. 6B. An explanatory side view in which the portion of the circular line Y is enlarged and the configuration is schematically shown. FIG. 4D is an explanatory view in which the portion of the virtual circle Z in FIG. 6B is enlarged and the configuration is schematically shown. The side view, FIG. 5E is an explanatory plan view schematically showing the structure of a part of the plate material on one plate, and FIG. 5F is an enlarged explanation of the line BB in FIG. It is sectional drawing. 前記中仕切部を取り除いた状態の前記食品用包装箱の構成を概略的に示す説明斜視図である。It is explanatory perspective view which shows roughly the structure of the said food packaging box of the state which removed the said partition part. 包装箱の筒状本体の製造に使用する箱材料板の一例を示す図であって、同図（ａ）は前記材料板の構成を概略的に示す説明平面図、同図（ｂ）は同じく説明側面図である。It is a figure which shows an example of the box material board used for manufacture of the cylindrical main body of a packaging box, Comprising: The same figure (a) is explanatory plan view which shows the structure of the said material board roughly, The same figure (b) is the same. FIG. 本考案の他の実施形態の食品用包装箱を示す図であって、同図（ａ）は前記包装箱の構成を概略的に示す説明平面図、同図（ｂ）は同図（ａ）の仮想円線Ｈの部位を拡大し、その構成を概略的に示す説明平面図である。It is a figure which shows the food packaging box of other embodiment of this invention, Comprising: The figure (a) is explanatory plan view which shows the structure of the said packaging box roughly, The figure (b) is the figure (a). It is an explanatory top view which expands the site | part of the virtual circle line H, and shows the structure roughly. 図１０（ｂ）を展開し、その構成を概略的に示す説明図である。It is explanatory drawing which expand | deploys FIG.10 (b) and shows the structure schematically.

以下、図面を参照して本考案の実施形態の一例について説明する。   Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings.

図１ないし図９は本考案の一実施形態（実施形態１）の食品用包装箱を示す。   FIG. 1 thru | or FIG. 9 shows the food packaging box of one Embodiment (Embodiment 1) of this invention.

図１ないし図９に示すように、本実施形態（実施形態１）の食品用包装箱１００は、一端（図１等において上端）を開口１０した筒状本体１（筒状胴部）と、前記本体１の他端部側（図１等において下端部側）を閉塞して設けた底板２と、前記本体１内に取出し可能に設ける中仕切部３とを有している。前記本体１は所望の大きさに形成される。   As shown in FIG. 1 thru | or FIG. 9, the food packaging box 100 of this embodiment (Embodiment 1) has the cylindrical main body 1 (cylindrical trunk | drum) which opened 10 one end (upper end in FIG. 1 etc.), It has a bottom plate 2 provided by closing the other end portion side (the lower end side in FIG. 1 and the like) of the main body 1 and a partition portion 3 provided in the main body 1 so as to be removable. The main body 1 is formed in a desired size.

前記筒状本体１は、１枚の発泡スチロールその他の各種の発泡樹脂製の板材１１で構成されている。板材１１は所望の幅及び長さの長方形に形成されている。前記本体１は後述するように、板材１１を対向する角部側に略同一大きさの一対の切欠凹部Ｓ_１，Ｓ_２を有する変形四角形状の筒状に折り曲げて、板材１１の両端を接着その他の手段で固着１５して構成されている。
前記板材１１の幅及び長さにより、前記筒状本体１の高さ及び大きさが設定される。本実施形態の板材１１は、幅：約４．５ｃｍ、長さ：約１００ｃｍの長方形に形成したものを採用している。なお、上記したように板材１１の幅及び長さは所望に応じて任意に変更するものである。 The said cylindrical main body 1 is comprised with the board | plate material 11 made from one foamed polystyrene and other various foamed resin. The plate 11 is formed in a rectangular shape having a desired width and length. As will be described later, the main body 1 is bent into a deformed quadrangular cylindrical shape having a pair of cutout recesses S ₁ and S ₂ having substantially the same size on opposite corners, and both ends of the plate 11 are bonded. It is configured to be fixed 15 by other means.
The height and size of the cylindrical main body 1 are set according to the width and length of the plate member 11. The plate material 11 of the present embodiment employs a rectangular shape with a width of about 4.5 cm and a length of about 100 cm. As described above, the width and length of the plate member 11 are arbitrarily changed as desired.

前記本体１を構成する板材の肉厚は特に限定したものではなく、適当に決定できるものであるが、例えば約３ｍｍ〜約５ｍｍ程度の範囲を挙げることができる。なお、上述したように、上記範囲内に限定するものではないが、前記本体１の強度や保温作用、並びに生産コスト等を考慮して適当にする。   The thickness of the plate material constituting the main body 1 is not particularly limited and can be appropriately determined. For example, a range of about 3 mm to about 5 mm can be given. As described above, although not limited to the above range, the main body 1 is made appropriate in consideration of the strength, heat retaining action, production cost, and the like.

前記両切欠凹部Ｓ_１，Ｓ_２は、前記本体１の対向する二つの対向角部のうち、一方の対向角部側に位置させて、前記本体１を構成する板材１１を略Ｌ字形状に対称的に折り曲げた折曲壁で形成されている。 The notch recesses S ₁ and S ₂ are positioned on one opposing corner portion of the two opposing corner portions of the main body 1 so that the plate member 11 constituting the main body 1 is substantially L-shaped. It is formed of bent walls that are bent symmetrically.

前記両切欠凹部Ｓ_１及びＳ_２は、上述したように略同一大きさに形成されている。本実施形態の一方の切欠凹部Ｓ_１は、折曲壁１１ａ，１１ｂで形成され、他方の切欠凹部Ｓ_２は折曲壁１１ｃ，１１ｄで形成されている。本実施形態の前記折曲壁１１ｂ及び１１ｄは、前記本体１の前後の対向壁間の長さの約１／２の長さに形成されている。また、折曲壁１１ａと１１ｃは所望の長さ、かつ、同一の長さに形成されている。 The two cutout recess S ₁ and S ₂ is formed in substantially the same size as described above. One of cutout recess _{S 1} of this embodiment, bent walls 11a, are formed at 11b, cutout recess _{S 2} of the other is formed by the bent walls 11c, 11d. The bent walls 11b and 11d of the present embodiment are formed to have a length that is approximately ½ of the length between the front and rear opposing walls of the main body 1. The bent walls 11a and 11c are formed to have a desired length and the same length.

前記本体１の各角部１２ａ、１２ｂ、１２ｃ、１２ｄ、１２ｅ、１２ｆ及び１２ｇは、前記板材１１の各角部１２ａ…１２ｇのそれぞれ内側に位置する面における所望の部位に設けた折り線１３…１３及び折り線１４、１４に沿って前記板材１１を折り曲げて形成されている。本実施形態の前記各折り線１３は板材１１の一方の面に設けてあり、各折り線１４は板材１１の他方の面に設けてある。また、角部１２ｈは板材１１の両端を接着等で固着して形成されている。   The corners 12a, 12b, 12c, 12d, 12e, 12f and 12g of the main body 1 are fold lines 13 provided at desired portions on the surfaces located inside the corners 12a ... 12g of the plate member 11, respectively. 13 and the folding lines 14, 14 are formed by bending the plate material 11. In the present embodiment, each fold line 13 is provided on one surface of the plate material 11, and each fold line 14 is provided on the other surface of the plate material 11. Further, the corner portion 12h is formed by fixing both ends of the plate member 11 by adhesion or the like.

本実施形態の筒状本体１（筒状胴部）は、前記本体１の内側壁面における前記他端部側の近くに沿わせて設けられ、底板２が適合して係入（係合）する係合溝２１を有している。底板２は、後述するように、その周縁を前記溝２１に係合（係入）して前記本体１に固定して設けられる。これにより、前記本体１の他端部側は底板２で閉塞される。   The cylindrical main body 1 (cylindrical trunk) of this embodiment is provided along the vicinity of the other end portion on the inner wall surface of the main body 1, and the bottom plate 2 is fitted and engaged (engaged). An engaging groove 21 is provided. As will be described later, the bottom plate 2 is provided with its peripheral edge engaged (engaged) with the groove 21 and fixed to the main body 1. Thereby, the other end side of the main body 1 is closed by the bottom plate 2.

前記底板２はボール紙等の厚紙や、木製その他の板材２０で構成されている。底板２の板材２０の肉厚は特に限定するものではなく、適当に決定できるものであるが、例えば、約０．８ｍｍ〜約１．２ｍｍ程度の範囲を挙げることができる。但し、上記範囲内に限定するものではない。   The bottom plate 2 is made of cardboard or other thick paper, or wooden or other plate material 20. The thickness of the plate member 20 of the bottom plate 2 is not particularly limited and can be appropriately determined. For example, a range of about 0.8 mm to about 1.2 mm can be given. However, the present invention is not limited to the above range.

前記底板２は、その周縁を係合溝２１に係合して筒状本体１に固定して取付け、食品用包装箱を構成する。この場合において、前記本体１は、底板２の周縁を前記溝２１に係合した後、前記本体１の板材１１の両端を接着その他の手段で固着１５して筒状本体１を構成する。なお、底板２は、その周縁を前記溝２１に係合する際に、所望に応じて接着材等を用いて底板２の周縁を前記溝２１内に接着（固着）するように構成してもよい。   The bottom plate 2 is fixedly attached to the cylindrical main body 1 with its peripheral edge engaged with the engaging groove 21 to constitute a food packaging box. In this case, the main body 1 constitutes the cylindrical main body 1 by engaging the peripheral edge of the bottom plate 2 with the groove 21 and then fixing 15 both ends of the plate material 11 of the main body 1 by bonding or other means. The bottom plate 2 may be configured so that the periphery of the bottom plate 2 is bonded (fixed) in the groove 21 using an adhesive or the like as desired when the periphery is engaged with the groove 21. Good.

なお、前記本体１の外側面には、所望の模様を施した化粧紙を貼着し、又はプラスチックフィルムをラミネートし、或いは所望の模様を印刷する等の構成を採用してもよい。この点については、後述する実施形態においても同様である。   In addition, you may employ | adopt the structure of sticking the decorative paper which gave the desired pattern on the outer surface of the said main body 1, laminating a plastic film, or printing a desired pattern. This also applies to the embodiments described later.

本実施形態の食品用包装箱１００は、筒状本体１内に取出し可能に設けた中仕切部３を備える。中仕切部３は分解可能の組立て式に構成されている。   The food packaging box 100 according to the present embodiment includes a partition portion 3 provided in the cylindrical main body 1 so as to be removable. The middle partition part 3 is constructed in an assembly type that can be disassembled.

本実施形態の中仕切部３は、筒状本体１内を前後２つの収容部（室）に仕切る１枚の横方向の仕切板３０と、前記仕切板３０で仕切られた２つの収容部をそれぞれ３つの収容部に仕切る４枚の縦方向の仕切板３１…３１とを備える。   The middle partition portion 3 of the present embodiment includes a lateral partition plate 30 that partitions the inside of the cylindrical main body 1 into two front and rear housing portions (chambers), and two housing portions partitioned by the partition plate 30. 4 vertical partition plates 31... 31 partitioned into three accommodating portions.

前記各仕切板３０、３１は、発泡樹脂、木材、厚紙その他の素材で構成される。前記各仕切板３０、３１の幅（高さ）は、前記本体１内の高さ（底板から前記本体の上端までの寸法）より幾分短尺に形成されている。   Each of the partition plates 30 and 31 is made of foamed resin, wood, cardboard, or other materials. The width (height) of each of the partition plates 30 and 31 is somewhat shorter than the height in the main body 1 (the dimension from the bottom plate to the upper end of the main body).

本実施形態の中仕切部３の前記横方向の仕切板３０の略下半部には、縦方向の仕切板３１…３１を係入する係合溝３２…３２が所望の間隔で設けてある。また、各縦方向の仕切板３１の一端の下半部には、前記係合溝３２に係合する係合片３３が設けてある。中仕切部３は、図３等に示すように、係合片３３を係合溝３２に係脱可能に係合して組み立てるように構成されている。中仕切部３は両仕切板の前記係合を解除することにより分解するように構成されている。   Engaging grooves 32... 32 for engaging the vertical partition plates 31... 31 are provided at desired intervals in the substantially lower half of the horizontal partition plate 30 of the middle partition portion 3 of the present embodiment. . In addition, an engagement piece 33 that engages with the engagement groove 32 is provided in the lower half of one end of each vertical partition plate 31. As shown in FIG. 3 and the like, the middle partition 3 is configured to engage and disengage the engagement piece 33 with the engagement groove 32. The middle partition 3 is configured to be disassembled by releasing the engagement of both partition plates.

中仕切部３は、前記本体１内に取出し可能に配置して設ける。これにより、前記本体１内は６つの収容部に仕切られる。これにより、前記仕切られた収容部に、例えば各種弁当の場合には、米飯や各種惣菜等を区分けして収容する（詰める）ことができるように構成されている。   The middle partition portion 3 is provided in the main body 1 so as to be removable. Thereby, the inside of the main body 1 is partitioned into six accommodating portions. Thereby, in the case of various lunch boxes, for example, in the case of various lunch boxes, it is configured such that cooked rice, various prepared foods, and the like can be divided and stored (stuffed).

なお、前記中仕切部３は一例として開示したもので、仕切部３は上記以外の構成に任意に変更可能なこと勿論である。   In addition, the said partition part 3 is disclosed as an example, and, of course, the partition part 3 can be arbitrarily changed to a configuration other than the above.

本実施形態（実施形態１）の食品用包装箱は上記のように構成したもので、この包装箱は従来の食品用包装箱と全く同様に各種の弁当、その他の各種食品の包装用として使用するものである。なお、図示しないが、所望の上蓋等を被せることも従来と同様である。   The food packaging box of this embodiment (Embodiment 1) is configured as described above, and this packaging box is used for packaging various types of lunch boxes and other various foods in the same manner as conventional food packaging boxes. To do. Although not shown, it is the same as the conventional case that a desired upper lid is covered.

次に上記実施形態１の食品用包装箱の製造方法の一例につき説明する。図９には、前記包装箱の筒状本体１の製造に使用する箱材料板の一例が図示されている。この箱材料板４は、所望の幅及び長さの発泡樹脂製の板材で構成されている。   Next, an example of the manufacturing method of the food packaging box of the first embodiment will be described. FIG. 9 shows an example of a box material plate used for manufacturing the cylindrical main body 1 of the packaging box. The box material plate 4 is made of a foamed resin plate having a desired width and length.

箱材料板４の幅及び長さは特に限定するものではないが、例えば幅約１１０ｃｍ〜約１２０ｃｍ、長さ約２ｍ〜約５ｍ程度のものを採用できる。但し、上記範囲に限定するものではない。前記板４の肉厚も特に限定されるものではないが、例えば約３．０ｍｍ〜約５．０ｍｍ程度のものを採用できる。前記板４の肉厚により前記本体１を構成する板材１１の肉厚が決定される。即ち、前記板４の肉厚が前記板材１１の肉厚になる。   Although the width and length of the box material plate 4 are not particularly limited, for example, those having a width of about 110 cm to about 120 cm and a length of about 2 m to about 5 m can be employed. However, it is not limited to the above range. Although the thickness of the plate 4 is not particularly limited, for example, a thickness of about 3.0 mm to about 5.0 mm can be adopted. The thickness of the plate 11 constituting the main body 1 is determined by the thickness of the plate 4. That is, the thickness of the plate 4 becomes the thickness of the plate material 11.

図５に示すように、前記材料板４の一方の面（筒状本体１の内側になる面）における前記本体１の角部１２ａ、１２ｃ、１２ｄ、１２ｅ及び１２ｇを形成する部位に位置させて板４の一端から他端にかけて折り線１３…１３（Ｖカット）を平行に施す。また、前記板４の他方の面（筒状本体１の外側になる面）における前記本体１の角部１２ｂ及び１２ｆを形成する部位に位置させて前記と同様に板４の一端から他端にかけて折り線１４，１４（Ｖカット）を平行に施す。さらに、材料板４の両側部を前記本体１の周方向の長さに対応する長さに切断１６する。上記工程により一次加工板材４０を得る。   As shown in FIG. 5, the material plate 4 is positioned at a portion where the corners 12 a, 12 c, 12 d, 12 e, and 12 g of the main body 1 are formed on one surface (the inner surface of the cylindrical main body 1). Fold lines 13... 13 (V cut) are applied in parallel from one end of the plate 4 to the other end. Moreover, it is located in the site | part which forms the corner | angular parts 12b and 12f of the said main body 1 in the other surface (surface used as the outer side of the cylindrical main body 1) of the said board 4, and it extends from one end to the other end of the board 4 similarly to the above. Fold lines 14 and 14 (V cut) are applied in parallel. Further, both side portions of the material plate 4 are cut 16 to a length corresponding to the circumferential length of the main body 1. The primary processed plate material 40 is obtained by the above process.

前記一次加工板材４０の加工作業は、箱材料板４を作業ラインに沿って搬送し、図示しない加工部を通過させて行える。前記一次加工板材４０の両端（両側縁）、即ち、前記切断１６の端部は斜めにカットされる。この加工は、一次加工板材４０の両側縁に位置する部位を斜めに切断することにより行える。この加工作業も従来からの公知の方法を採用して実施することができる。上記作業工程により得られた一次加工板材４０のうち、両側縁に形成される切断片４１，４１は不使用部材であり、廃棄される。   The processing work of the primary processed plate material 40 can be performed by transporting the box material plate 4 along the work line and passing the processed portion (not shown). Both ends (both side edges) of the primary processed plate material 40, that is, ends of the cut 16 are cut obliquely. This processing can be performed by obliquely cutting portions located on both side edges of the primary processed plate material 40. This processing operation can also be carried out by employing a conventionally known method. Of the primary processed plate 40 obtained by the above work process, the cut pieces 41 and 41 formed on both side edges are unused members and are discarded.

次いで、図６に示すように、上記工程により得られた一次加工板材４０を作業ラインに沿って搬送して係合溝２１の溝形成加工部及びカッター部（いずれも図示せず）を通過させ、溝形成加工部で前記一次加工板材４０に係合溝２１を形成すると共にカッター部で所定寸法の幅（例えば、約４．５ｃｍ幅）に切断１７して筒状本体１を構成する板材１１を得る。上記構成加工及び切断加工も従来公知の方法を採用して実施できる。   Next, as shown in FIG. 6, the primary processed plate material 40 obtained by the above process is conveyed along the work line to pass the groove forming processed portion and the cutter portion (none of which are shown) of the engaging groove 21. Then, the groove 11 is formed in the primary processed plate material 40 by the groove forming portion 40 and cut into a predetermined dimension width (for example, about 4.5 cm width) by the cutter portion 17 to constitute the plate body 11 constituting the cylindrical main body 1. Get. The above-described configuration processing and cutting processing can also be performed by employing a conventionally known method.

なお、上記したように、実施形態１では、係合溝２１の形成加工を前記切断加工と並行して一次加工板材４０に施す例を開示したが、前記溝２１の形成は折り線１３，１４を形成加工する前、或いは折り線１３，１４の形成加工後の段階で、箱材料板４に形成する方法を採用することもできる。上記した前記溝２１の形成方法については任意に選択して採用できるものである。   As described above, in the first embodiment, the example in which the forming process of the engaging groove 21 is performed on the primary processed plate material 40 in parallel with the cutting process is disclosed. However, the forming of the groove 21 is performed by folding lines 13 and 14. It is also possible to adopt a method of forming the box material plate 4 before forming or forming the folding lines 13 and 14 at a stage after forming. The above-described method for forming the groove 21 can be arbitrarily selected and employed.

次に、前記板材１１を各折り線１３及び１４に沿って折り曲げると共に底板２の周縁を係合溝２１に係合し、所望に応じて接着剤で溝２１に接着し、板材１１の両端（斜めにカットされた面）を接着や融着等で固着１５する。これにより、実施形態１の食品用包装箱１００が製造される。   Next, the plate member 11 is bent along the fold lines 13 and 14 and the peripheral edge of the bottom plate 2 is engaged with the engagement groove 21 and bonded to the groove 21 with an adhesive as desired. The diagonally cut surface) is fixed 15 by adhesion or fusion. Thereby, the packaging box 100 for foodstuffs of Embodiment 1 is manufactured.

実施形態１の食品用包装箱は上記のように構成したもので、実施形態１によれば、上述した作用効果を奏する食品用包装箱を得ることができる。   The food packaging box according to the first embodiment is configured as described above. According to the first embodiment, a food packaging box having the above-described effects can be obtained.

図１０及び図１１は、本考案の他の実施形態（実施形態２）の食品用包装箱を示す。なお、実施形態２の食品用包装箱において、実施形態１で既に説明した構成と共通する構成部等には同一符号を付して説明を省略する。実施形態２の食品用包装箱２００は、筒状本体１の構成に特徴がある。   10 and 11 show a food packaging box according to another embodiment (Embodiment 2) of the present invention. In addition, in the food packaging box of the second embodiment, the same reference numerals are given to the same components and the like as those already described in the first embodiment, and the description thereof is omitted. The food packaging box 200 according to the second embodiment is characterized by the configuration of the cylindrical main body 1.

図１０に示すように、実施形態２の食品用包装箱２００の筒状本体１は、各角部１２ａ〜１２ｈに丸みを付与した変形四角形状の筒状に構成されている。前記本体１は、板材１１の実施形態１と同様の面における同様の部位に位置させて折り線５３…５３及び５４、５４を形成し、各折り線５３及び５４に沿って板材１１を前記各角部に湾曲を付与して折り曲げると共に、板材１１の両端を接着等で固着１５して、前記各角部に丸みを付与した変形四角形状の筒状に形成されている。なお、実施形態２の板材１１の両端は斜めに切断することなく、直角状に切断されている。   As shown in FIG. 10, the cylindrical main body 1 of the food packaging box 200 of Embodiment 2 is configured in a deformed quadrangular cylindrical shape in which the corners 12a to 12h are rounded. The main body 1 is positioned at the same portion on the same surface as the first embodiment of the plate material 11 to form fold lines 53... 53 and 54, 54, and the plate material 11 is moved along the fold lines 53 and 54. The corner portion is bent and bent, and both ends of the plate member 11 are fixed 15 by adhesion or the like, and are formed in a deformed quadrangular cylindrical shape in which each corner portion is rounded. In addition, the both ends of the board | plate material 11 of Embodiment 2 are cut | disconnected at right angle shape, without cut | disconnecting diagonally.

前記各折り線５３及び５４は、図１１に示すように、板材１１の所定の面における所定の部位に、板材１１の幅方向に向けて所望の間隔で平行に形成した複数本（図示では５本）の切込溝５３ａ…５３ｅ及び５４ａ…５４ｅで構成されている。これにより、図１０（ｂ）に詳細に示すように、板材１１を各折り線５３及び５４に沿って所定方向へ折り曲げることにより、板材１１は各折り曲げ角部に湾曲を付与して折り曲げられるようになっている。なお、前記各角部の湾曲の大きさや曲率は切込溝５３ａ…５３ｅ及び５４ａ…５４ｅの本数や間隔等により調整することができる。他の構成は実施形態１と同様である。また、実施形態２の食品用包装箱２００は、前記切込溝５３ａ…５３ｅ及び５４ａ…５４ｅの形成加工作業以外は実施形態１と略同様の方法により製造される。   As shown in FIG. 11, each of the fold lines 53 and 54 has a plurality of lines (5 in the figure) formed in parallel at a predetermined interval in the width direction of the plate material 11 at a predetermined portion on a predetermined surface of the plate material 11. Book) cutting grooves 53a ... 53e and 54a ... 54e. As a result, as shown in detail in FIG. 10B, the plate material 11 is bent in a predetermined direction along the folding lines 53 and 54, so that the plate material 11 is bent by bending each folding corner. It has become. In addition, the magnitude | size and curvature of the curvature of each said corner | angular part can be adjusted with the number, space | interval, etc. of the notch grooves 53a ... 53e and 54a ... 54e. Other configurations are the same as those of the first embodiment. Further, the food packaging box 200 of the second embodiment is manufactured by a method substantially similar to that of the first embodiment except for the process of forming the cut grooves 53a... 53e and 54a.

実施形態２の食品用包装箱は上記のように構成され、実施形態１と同様に使用される。これにより、実施形態１と同様の作用効果を奏する。   The food packaging box according to the second embodiment is configured as described above, and is used in the same manner as in the first embodiment. Thereby, there exists an effect similar to Embodiment 1.

なお、上記した各実施形態は一例として開示したもので、本考案は上記実施形態に限定されるものではなく、実用新案登録請求の範囲に記載の技術思想を越脱しない範囲内において任意に変更可能なものである。   Each of the above embodiments is disclosed as an example, and the present invention is not limited to the above embodiment, and may be arbitrarily changed within the scope not departing from the technical idea described in the claims of the utility model registration. It is possible.

１ 筒状本体
２ 底板
３ 中仕切部
１０ 開口
１１ 板材
１２ａ…１２ｇ 角部
１３ 折り線
１４ 折り線
１５ 固着
Ｓ_１ 切欠凹部
Ｓ_２ 切欠凹部 DESCRIPTION OF SYMBOLS 1 Cylindrical main body 2 Bottom plate 3 Middle partition part 10 Opening 11 Board | plate material 12a ... 12g Corner | angular part 13 Folding line 14 Folding line 15 Adherence S ₁ Notch recessed part S ₂ Notch recessed part

Claims (3)

一端を開口した筒状本体の他端部側を底板で閉塞した食品用包装箱であって、
前記本体は、１枚の発泡樹脂製の板材を、対向する角部側に略同一大きさの一対の切欠凹部を有する変形四角形状の筒状に折り曲げて、前記板材の両端を接着その他の手段で固着して構成され、
前記両切欠凹部は、前記本体の対向する二つの対向角部のうち、一方の対向角部側に位置させて、前記本体を構成する前記板材を略Ｌ字形状に対称的に折り曲げた折曲壁で形成され、
前記本体の各角部は、前記板材の前記各角部の内側部に位置する面における所定の部位に設けた折り線に沿って前記板材を折り曲げて形成されている
ことを特徴とする食品用包装箱。 A food packaging box in which the other end of the cylindrical main body with one end opened is closed with a bottom plate,
The main body is formed by bending one sheet of foamed resin plate into a deformed quadrangular cylindrical shape having a pair of cutout recesses of substantially the same size on opposite corners, and bonding the both ends of the plate. It is composed by fixing with
The both notch recesses are located on one of the opposing corners of the main body facing each other, and are bent by symmetrically bending the plate material constituting the main body into a substantially L shape. Formed with walls,
Each corner portion of the main body is formed by bending the plate material along a fold line provided at a predetermined portion on a surface located inside the corner portion of the plate material. Packaging box. 前記本体は、前記本体の内側壁面における前記他端部側近くに沿わせて設けた係合溝を有し、
前記底板は、その周縁を前記係合溝に係合して前記本体に固定して設けられていることを特徴とする請求項１に記載の食品用包装箱。 The main body has an engagement groove provided along the vicinity of the other end of the inner wall surface of the main body,
The food packaging box according to claim 1, wherein the bottom plate is provided with a peripheral edge engaged with the engagement groove and fixed to the main body. 前記包装箱は、前記本体内に取出し可能に設けた中仕切部をさらに備え、前記中仕切部は分解可能に形成されていることを特徴とする請求項１又は２に記載の食品用包装箱。   The food packaging box according to claim 1 or 2, wherein the packaging box further includes a partition portion provided in the main body so as to be removable, and the partition portion is formed so as to be disassembled. .

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