JP2001240042A - Packaging tray - Google Patents

Packaging tray

Info

Publication number
JP2001240042A
JP2001240042A JP2000050435A JP2000050435A JP2001240042A JP 2001240042 A JP2001240042 A JP 2001240042A JP 2000050435 A JP2000050435 A JP 2000050435A JP 2000050435 A JP2000050435 A JP 2000050435A JP 2001240042 A JP2001240042 A JP 2001240042A
Authority
JP
Japan
Prior art keywords
flange
piece
wall
packaging tray
flanges
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2000050435A
Other languages
Japanese (ja)
Other versions
JP4382948B2 (en
Inventor
Masanobu Ijichi
政信 伊地知
Yoshiro Ichiji
義郎 伊知地
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyodo Printing Co Ltd
Original Assignee
Kyodo Printing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyodo Printing Co Ltd filed Critical Kyodo Printing Co Ltd
Priority to JP2000050435A priority Critical patent/JP4382948B2/en
Publication of JP2001240042A publication Critical patent/JP2001240042A/en
Application granted granted Critical
Publication of JP4382948B2 publication Critical patent/JP4382948B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Packages (AREA)

Abstract

PROBLEM TO BE SOLVED: To improve sealability of a packaging tray which comprises sidewalls provided on end rims of a rectangular base wall wherein adjacent ends of flanges on an upper rim of the sidewalls are overlapped and fixed. SOLUTION: A pair of flanges 21 having a double wall structure comprising a flange piece 9 and a turning-back piece 12 and another pair of flanges 22 of a single layer comprising a flange piece 10 are fixedly overlapped with a upward joining piece 14 and a downward joining piece 13, eliminating level differences along an entire periphery of the flange.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、食品等の包装に用
いられる包装用トレイに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging tray used for packaging foods and the like.

【0002】[0002]

【従来の技術】一般に、加工食品等を包装する包装用ト
レイは、紙材にポリエチレンフィルム等のプラスチック
フィルムを被覆して防水加工したものを、その展開図形
状に打ち抜くとともに、折り目を形成してその折り目に
沿って組み立てたものである。
2. Description of the Related Art In general, a packaging tray for packaging processed foods and the like is formed by punching a paper material coated with a plastic film such as a polyethylene film or the like and waterproofing it into a developed shape, and forming a fold. It is assembled along the fold.

【0003】このような包装用トレイは、例えば図8に
示すように、方形状の底壁81の端縁に側壁82,83
を立設し、この側壁82,83の端縁の間に折り込み壁
84を中折れ線85を介して折り畳んで一方の側壁83
に沿わせて設け、さらに、折り込み壁84と側壁82,
83の上縁にそれぞれフランジ86,87,88を付設
したものである。この包装用トレイは、フランジ87,
88の端部89,90同士を重ね合わせるとともに、そ
れぞれフランジ86に重ね合わせて、ヒートシールし、
さらに、膜板状の蓋部材91で包装用トレイの上面開口
を被覆し、ついでフランジ87,88の上面にヒートシ
ールなどの手法によって固着しているものである。
As shown in FIG. 8, for example, such a packaging tray has side walls 82 and 83 on the edge of a square bottom wall 81.
And a folding wall 84 is folded between the edges of the side walls 82 and 83 via a center folding line 85 to form one side wall 83.
Are provided along the folding wall 84 and the side wall 82,
Flanges 86, 87, 88 are attached to the upper edge of 83, respectively. This packaging tray has flanges 87,
The ends 89 and 90 of the 88 are overlapped with each other, respectively, overlapped with the flange 86, and heat-sealed.
Further, the upper surface opening of the packaging tray is covered with a film-plate-like lid member 91, and then fixed to the upper surfaces of the flanges 87 and 88 by a method such as heat sealing.

【0004】また、特開平3−85245号公報には、
図9に示すように、方形状の底壁101の端縁に側壁1
02,103を立設し、この側壁102,103の端縁
の間に折り込み壁104を中折れ線105を介して折り
畳んで一方の側壁103に沿わせて設け、さらに、側壁
102,103の上縁にそれぞれ二重壁に構成されたフ
ランジ106,107を付設した包装用トレイが開示さ
れている。この包装用トレイは、フランジ106,10
7が二重壁ゆえに高い強度を有し、十分な形状安定性を
容器に付与することができるものである。
Further, Japanese Patent Application Laid-Open No. 3-85245 discloses that
As shown in FIG. 9, the side wall 1 is attached to the edge of the rectangular bottom wall 101.
02, 103 are erected, and a folded wall 104 is provided between the edges of the side walls 102, 103 along the one side wall 103 by folding through a center folding line 105. Further, the upper edge of the side walls 102, 103 is provided. Discloses a packaging tray provided with flanges 106 and 107 each having a double wall. The packaging tray has flanges 106, 10
No. 7 has high strength due to the double wall, and can impart sufficient shape stability to the container.

【0005】[0005]

【発明が解決しようとする課題】しかしながら、図8に
例示した包装用トレイでは、単層のフランジ87,88
の端部89,90同士を重ね合わせた状態でこれらを接
着しているため、この接着部分に段差が生じてしまい、
蓋部材91でトレイ上面を完全に密封することは困難で
あった。
However, in the packaging tray illustrated in FIG. 8, single-layer flanges 87, 88 are provided.
Are bonded in a state where the end portions 89 and 90 are overlapped with each other, so that a step is generated in this bonded portion,
It was difficult to completely seal the upper surface of the tray with the lid member 91.

【0006】また、特開平3−85245号公報に記載
のものは、図9(b)に示されるように隣り合うフラン
ジ106,107の高さが異なり段差を有しているた
め、図8のものと同様、蓋部材によってトレイ上面を完
全に密封することは困難である。
[0006] Further, in the apparatus disclosed in Japanese Patent Application Laid-Open No. 3-85245, adjacent flanges 106 and 107 are different in height as shown in FIG. Like the above, it is difficult to completely seal the upper surface of the tray with the lid member.

【0007】本発明の目的は、上記問題に鑑み、蓋部材
による密封性に優れる包装用トレイを提供することにあ
る。
An object of the present invention is to provide a packaging tray which is excellent in sealing performance by a lid member in view of the above problems.

【0008】[0008]

【課題を解決するための手段】上記目的を達成すべく成
された本発明の構成は、以下の通りである。
The structure of the present invention to achieve the above object is as follows.

【0009】即ち、本発明の包装用トレイは、その一実
施形態に係る図1及び図2を用いて説明すると、方形状
の底壁(1)の四方の端縁に側壁(4,5)を立設し、
隣接する前記側壁端縁間の折込壁(6)を中折れ線(1
5)を介して折り畳んで一方の側壁に固着し、前記側壁
の上縁に設けられたフランジの隣り合う端部を重ね合わ
せて固着した包装用トレイにおいて、相対向する一対の
フランジ(21)は、側壁(4)の上縁に連接するフラ
ンジ片(9)と、該フランジ片(9)に連接し両端に接
合片(13)を備えた折返片(12)とによって二重壁
構造を有して構成され、他の一対のフランジ(22)
は、側壁(5)の上縁に連接し両端に接合片(14)を
備えたフランジ片(10)を有して構成され、隣り合う
前記フランジ(21)の前記接合片(13)を下に前記
フランジ(22)の前記接合片(14)を上にして重ね
合わせて固着したことを特徴としているものである。
More specifically, the packaging tray of the present invention will be described with reference to FIGS. 1 and 2 according to an embodiment of the present invention. The side walls (4, 5) are provided at the four edges of the square bottom wall (1). Erected,
The folding wall (6) between the adjacent side wall edges is cut along the middle folding line (1).
5), the pair of flanges (21) opposed to each other in the packaging tray are fixed to one side wall by overlapping the adjacent ends of the flanges provided on the upper edge of the side wall. A flange piece (9) connected to the upper edge of the side wall (4) and a folded piece (12) connected to the flange piece (9) and provided with joining pieces (13) at both ends. And another pair of flanges (22)
Is composed of a flange piece (10) connected to an upper edge of the side wall (5) and provided with joining pieces (14) at both ends, and the joining piece (13) of the adjacent flange (21) is lowered. The flange (22) is overlapped and fixed with the joining piece (14) of the flange (22) facing upward.

【0010】かかる構成によれば、図3に示されるよう
に、フランジ(21)とフランジ(22)の接合部にお
いてフランジ上面が面一になり、段差が生じないため、
別途の蓋部材をフランジ上面にヒートシール等によって
固着する際に高い密封性を容易に確保することができ
る。
According to such a configuration, as shown in FIG. 3, the upper surface of the flange is flush with the joint between the flange (21) and the flange (22), and no step is formed.
When a separate lid member is fixed to the upper surface of the flange by heat sealing or the like, high sealing performance can be easily secured.

【0011】また、本発明の包装用トレイにおいては、
例えば図4に示すように、前記フランジ片(10)の両
端部を除いた領域に折返片(41)を連接し、前記折込
壁(6)の内、前記フランジ(21)が設けられた前記
側壁(4)と前記中折れ線(15)との間に位置する領
域の上縁に折込片(42)を連接し、前記フランジ(2
2)を、前記フランジ片(10)の下面に前記折返片
(41)と前記折込片(42)を固着して二重壁構造を
有して構成することが好ましい。
Further, in the packaging tray of the present invention,
For example, as shown in FIG. 4, a folded piece (41) is connected to an area excluding both ends of the flange piece (10), and the flange (21) is provided in the folded wall (6). A folding piece (42) is connected to an upper edge of a region located between the side wall (4) and the middle folding line (15), and the flange (2
Preferably, 2) has a double wall structure by fixing the folded piece (41) and the folded piece (42) to the lower surface of the flange piece (10).

【0012】かかる構成によれば、図5に示されるよう
に、フランジ全周が二重壁で構成されると共に、折込壁
(6)を側壁(5)のみならず折返片(41)によって
フランジ(22)にも固着することができるため、高い
形状安定性をトレイに付与することができ、蓋部材固着
後のトレイの変形等による密封性低下に対して高い防止
効果が発揮される。
According to such a configuration, as shown in FIG. 5, the entire periphery of the flange is formed of a double wall, and the folded wall (6) is formed not only by the side wall (5) but also by the folded piece (41). Since it can also be fixed to (22), a high shape stability can be imparted to the tray, and a high effect of preventing a decrease in sealing performance due to deformation of the tray after the lid member is fixed can be exhibited.

【0013】また、本発明の包装用トレイにおいては、
例えば図6に示すように、図4の構成に加え、更に、前
記折込壁(6)の内、前記フランジ(22)が設けられ
た前記側壁(5)と前記中折れ線(15)との間に位置
する領域の上縁を切り欠くこと(切欠部(61)を設け
る)ことが好ましい。
[0013] In the packaging tray of the present invention,
For example, as shown in FIG. 6, in addition to the configuration of FIG. 4, further, of the folding wall (6), between the side wall (5) provided with the flange (22) and the middle folding line (15) It is preferable to cut out the upper edge of the region located at (notch portion (61)).

【0014】かかる構成によれば、折込壁(6)の側壁
(5)とフランジ(22)の境界部分における接着性を
高めることができるため、より一層高い形状安定性をト
レイに付与することができ、密封性低下に対して極めて
高い防止効果が発揮される。
According to such a configuration, the adhesiveness at the boundary between the side wall (5) of the folding wall (6) and the flange (22) can be enhanced, so that a higher shape stability can be imparted to the tray. It is possible to exhibit an extremely high effect of preventing a decrease in sealing performance.

【0015】[0015]

【発明の実施の形態】以下、本発明の実施形態例を説明
するが、本発明はこれらの例に限定されるものではな
い。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below, but the present invention is not limited to these embodiments.

【0016】本発明の包装用トレイは、厚紙等からなる
所望のカートンを折り畳んで成形したトレイであり、例
えば食品等を収容した状態で電子レンジによる加熱調理
に対応できるようにする場合には、厚紙片の一方の面
(内面)にポリ塩化ビニリデン等の耐熱性のプラスチッ
クフィルムをラミネートし、他方の面(外面)に所望の
印刷を施したカートンが用いられる。
The packaging tray of the present invention is a tray formed by folding a desired carton made of cardboard or the like. For example, in a case where foods and the like are accommodated, it is possible to cope with heating and cooking by a microwave oven. A carton is used in which a heat-resistant plastic film such as polyvinylidene chloride is laminated on one surface (inner surface) of a cardboard piece and desired printing is performed on the other surface (outer surface).

【0017】本発明の包装用トレイの一例を図1乃至図
3に示す。図1は、包装用トレイの展開図、図2は、組
み立て状態を示す斜視図、図3は、図2中のA部分を詳
細に表した2方向の側面図である。
One example of the packaging tray of the present invention is shown in FIGS. 1 is an exploded view of a packaging tray, FIG. 2 is a perspective view showing an assembled state, and FIG. 3 is a side view in two directions showing part A in FIG. 2 in detail.

【0018】本例のカートンは、図1に示すように、方
形状の底壁1の四方の端縁に折り目線2,3を介してそ
れぞれ側壁4,5を設け、隣り合う側壁4,5の端縁間
に折り目線16,17を介して折込壁6を設けている。
この折込壁6は、中折れ線15を介して折り畳み自在に
形成されている。
As shown in FIG. 1, the carton of this embodiment is provided with side walls 4 and 5 at four edges of a square bottom wall 1 via fold lines 2 and 3, respectively. Is provided with a folding wall 6 via crease lines 16 and 17 between the edges.
The folding wall 6 is formed so as to be foldable via a center folding line 15.

【0019】側壁4,5の外縁には、折り目線7,8を
介してそれぞれフランジ片9,10を設けている。長辺
側のフランジ片9には、折り目線11を介して折返片1
2が設けられており、この折返片12の両端には扇状の
接合片13が形成されている。一方、短辺側のフランジ
片10には、その両端に扇状の接合片14が形成されて
いる。
At the outer edges of the side walls 4 and 5, flange pieces 9 and 10 are provided via fold lines 7 and 8, respectively. The folded piece 1 is attached to the flange piece 9 on the long side through a fold line 11.
2 are provided, and fan-shaped joining pieces 13 are formed at both ends of the folded piece 12. On the other hand, the short-side flange piece 10 has fan-shaped joining pieces 14 formed at both ends thereof.

【0020】上記のように形成したカートンを組み立て
て包装用トレイを製造するには、折り目線3,4,7,
8,11,16,17及び中折れ線15を介してそれぞ
れ側壁4,5、フランジ片9,10、折返片12及び折
込壁6を折り曲げる。そして、折返片12をフランジ片
9の下面に、折込壁6を側壁5の外面に固着すると共
に、隣り合う折返片12の接合片13とフランジ片10
の接合片14を固着することにより、図2に示すような
トレイとなる。
In order to assemble the carton formed as described above to produce a packaging tray, the fold lines 3, 4, 7, and
The side walls 4, 5, the flange pieces 9, 10, the fold pieces 12, and the fold wall 6 are bent through 8, 11, 16, 17 and the middle fold line 15, respectively. The folded piece 12 is fixed to the lower surface of the flange piece 9, the folded wall 6 is fixed to the outer surface of the side wall 5, and the joining piece 13 of the adjacent folded piece 12 and the flange piece 10 are fixed.
By fixing the joining pieces 14 of the above, a tray as shown in FIG. 2 is obtained.

【0021】この時、接合片13を下に接合片14を上
にして重ね合わせて固着することにより、図3に示すよ
うに、フランジ片9と折返片12とによって構成される
二重壁構造のフランジ21の上面と、フランジ片10に
よって構成されるフランジ22の上面を面一とし、フラ
ンジ全周に渡って段差を無くすることができ、別途の蓋
部材をフランジ上面にヒートシール等によって固着する
際に高い密封性が得られる。
At this time, the joining piece 13 is placed on the lower side with the joining piece 14 facing up, and the two pieces are fixed together, as shown in FIG. The upper surface of the flange 21 and the upper surface of the flange 22 formed by the flange piece 10 are flush with each other, so that there is no step over the entire circumference of the flange, and a separate lid member is fixed to the upper surface of the flange by heat sealing or the like. High sealing performance is obtained.

【0022】上記各部の固着方法は特に限定されるもの
ではなく、カートン材料に応じて、例えばヒートシー
ル、コールドグルー、ホットメルト、その他接着剤等に
よる方法を適宜選択して用いることができる。
The method of fixing the above-mentioned parts is not particularly limited, and a method using, for example, heat sealing, cold glue, hot melt, or other adhesives can be appropriately selected and used according to the carton material.

【0023】尚、上記説明では、各部を全て折り曲げた
後に固着を行っているが、各部を折り曲げる前に、折返
片12をフランジ片9の下面に予め固着しておくことも
できる。この様にしておくと、トレーの組立をより簡易
な構成を有する自動製函機によって行うことができる。
また、本例のように、対向する一対のフランジのみを二
重壁構造とすることにより、自動製函機による組立の前
工程として行う上記接着工程が簡略化され、自動製函機
による組立ラインに比較的容易に対応することができ
る。
In the above description, the fixing is performed after all the parts are bent. However, the bent piece 12 may be fixed to the lower surface of the flange piece 9 before bending each part. By doing so, the tray can be assembled by an automatic box making machine having a simpler configuration.
In addition, as in this example, by forming only a pair of opposed flanges into a double wall structure, the above-described bonding process performed as a pre-process of assembly by the automatic box making machine is simplified, and the assembly line by the automatic box making machine is used. Can be dealt with relatively easily.

【0024】また、本例のように対向する一対のフラン
ジ21を二重壁構造のフランジとし、他の一対のフラン
ジ22を単層構造のフランジとする場合において、底板
1が特にアスペクト比の大きい長方形の形状を有すると
きは、二重壁構造を有するフランジ21を長辺方向に、
単層構造のフランジ22を短辺方向に設けることが好ま
しい。これにより、剛性の低下しがちな長手方向の強度
を高めることができ、比較的高い形状安定性をトレイに
付与することができ、トレイの変形による蓋部材の剥離
等による密封性の低下防止を図ることができる。
When the pair of opposed flanges 21 is a double-walled flange and the other pair of flanges 22 is a single-layered flange as in this embodiment, the bottom plate 1 has a particularly large aspect ratio. When having a rectangular shape, the flange 21 having a double wall structure is
It is preferable to provide the flange 22 having a single-layer structure in the short side direction. Thereby, the strength in the longitudinal direction, which tends to decrease the rigidity, can be increased, and relatively high shape stability can be imparted to the tray. Can be planned.

【0025】本発明の包装用トレイの別の例を図4及び
図5に示す。図4は、包装用トレイの展開図、図5は、
組み立て状態における2方向の側面図である(図3と同
様の部分を表している。)。
Another example of the packaging tray of the present invention is shown in FIGS. FIG. 4 is a development view of the packaging tray, and FIG.
FIG. 4 is a side view in two directions in an assembled state (similar to FIG. 3).

【0026】本例のカートンは、図1に示した構成に更
に、フランジ片10の両端部を除いた領域に折り目線4
3を介して折返片41を設け、また、折込壁6の内、側
壁4と中折れ線15との間に位置する領域の上縁に折り
目線44を介して折込片42を設けたものである。
The carton according to the present embodiment has a fold line 4 in the region excluding both ends of the flange piece 10 in addition to the structure shown in FIG.
3, a folding piece 41 is provided at the upper edge of a region located between the side wall 4 and the middle folding line 15 in the folding wall 6, and a folding piece 42 is provided via a fold line 44. .

【0027】上記のように形成したカートンを組み立て
て包装用トレイを製造するには、先の例と同様にして各
部を折り曲げ固着する。この時、更に、フランジ片10
の下面に折返片41と折込片42を固着することによ
り、図5に示すように、フランジ22を二重壁構造とす
ることができる。尚、折込片42の領域を考慮して折返
片41を設ける領域を適宜設計することにより、フラン
ジ22を完全な二重壁構造とすることができる。
To manufacture the packaging tray by assembling the carton formed as described above, each part is bent and fixed in the same manner as in the previous example. At this time, the flange piece 10
By fixing the folded piece 41 and the folded piece 42 to the lower surface of the flange 22, the flange 22 can have a double wall structure as shown in FIG. The flange 22 can have a complete double-walled structure by appropriately designing the area where the folded piece 41 is provided in consideration of the area of the folded piece 42.

【0028】本例の構成によれば、フランジ全周に渡っ
て段差が無いことに加え、フランジ全周が二重壁構造を
有して構成され、且つ、折込壁6を側壁5のみならず折
返片41によってフランジ22にも固着することがで
き、高い形状安定性をトレイに付与することができるた
め、特に蓋部材固着後のトレイの梱包・搬送時や使用時
におけるトレイの変形による密封性低下に対して高い防
止効果が発揮される。
According to the structure of this embodiment, there is no step over the entire circumference of the flange, and the entire circumference of the flange is configured to have a double wall structure. Since the folded piece 41 can also be fixed to the flange 22 and a high shape stability can be imparted to the tray, the sealing property due to the deformation of the tray particularly at the time of packing / transporting or using the tray after the lid member is fixed. High prevention effect against reduction is exhibited.

【0029】尚、本例の場合には、各部を折り曲げる前
に、予め折返片12をフランジ片9の下面に、折返片4
1をフランジ片10の下面にそれぞれ固着しておくこと
もできる。
In the case of this embodiment, before bending each part, the folded piece 12 is previously placed on the lower surface of the flange piece 9 and the folded piece 4
1 can be fixed to the lower surface of the flange piece 10 respectively.

【0030】本発明の包装用トレイの更に別の例を図6
及び図7に示す。図6は、包装用トレイの展開図、図7
は、組み立て状態における2方向の側面図である(図3
と同様の部分を表している。)。
FIG. 6 shows still another example of the packaging tray of the present invention.
And FIG. FIG. 6 is a development view of the packaging tray, and FIG.
Are side views in two directions in an assembled state (FIG. 3)
Represents the same part as. ).

【0031】本例のカートンは、図4に示した構成に更
に、折込壁6の内、側壁5と中折れ線15との間に位置
する領域の上縁を側壁5の高さに応じて部分的に切り欠
き、切欠部61を設けたものである。
The carton according to the present embodiment further includes, in addition to the configuration shown in FIG. 4, an upper edge of a region located between the side wall 5 and the middle folding line 15 in the folding wall 6 according to the height of the side wall 5. Notch and notch 61 are provided.

【0032】上記のように形成したカートンを組み立て
て包装用トレイを製造するには、先の例と同様にして各
部を折り曲げ固着する。この場合、折込壁6の側壁5と
フランジ22の境界部分における接着面積を効果的に確
保して接着性を高めることができるため、より一層高い
形状安定性をトレイに付与することができ、蓋部材固着
後の密封性低下に対して極めて高い防止効果が発揮され
る。
In order to assemble the carton formed as described above to manufacture a packaging tray, the respective parts are bent and fixed in the same manner as in the previous example. In this case, the bonding area at the boundary between the side wall 5 of the folding wall 6 and the flange 22 can be effectively secured and the adhesiveness can be increased, so that even higher shape stability can be imparted to the tray, and the lid can be provided. An extremely high effect of preventing a decrease in sealing performance after the member is fixed is exhibited.

【0033】[0033]

【発明の効果】以上説明したように、本発明の包装用ト
レイによれば、フランジ片9と折返片12とによって二
重壁構造を有する一対のフランジ21と、フランジ片1
0によって構成される単層の他の一対のフランジ22と
を、接合片13を下に接合片14を上にして重ね合わせ
て固着したことにより、フランジ全周に渡って段差を無
くすることができ、別途の蓋部材をフランジ上面にヒー
トシール等によって固着する際に高い密封性を確保する
ことができる。
As described above, according to the packaging tray of the present invention, a pair of flanges 21 having a double wall structure by the flange pieces 9 and the folded pieces 12 and the flange pieces 1 are provided.
0 and another pair of flanges 22 of a single layer are bonded together with the joining piece 13 facing down and the joining piece 14 facing up, so that there is no step over the entire circumference of the flange. High sealing performance can be ensured when a separate lid member is fixed to the upper surface of the flange by heat sealing or the like.

【0034】また、特に、フランジ片10に折返片41
を設け、また、折込壁6の内、側壁4と中折れ線15と
の間に位置する領域の上縁に折込片42を設け、フラン
ジ片10の下面に折返片41と折込片42を固着して、
フランジ22を二重壁構造を有して構成したものにあっ
ては、フランジ全周に渡って段差が無いことに加え、フ
ランジ全周が二重壁構造を有して構成され、且つ、折込
壁6を側壁5のみならず折返片41によってフランジ2
2にも固着することができ、高い形状安定性をトレイに
付与することができるため、特に蓋部材固着後のトレイ
の梱包・搬送時や使用時におけるトレイの変形による密
封性の低下を防止することができる。
In particular, the folded piece 41 is attached to the flange piece 10.
In addition, a folding piece 42 is provided on the upper edge of a region located between the side wall 4 and the middle folding line 15 in the folding wall 6, and the folding piece 41 and the folding piece 42 are fixed to the lower surface of the flange piece 10. hand,
In the configuration in which the flange 22 has a double wall structure, there is no step over the entire circumference of the flange, and the entire circumference of the flange has a double wall structure, and the flange 22 is folded. The wall 6 is formed not only by the side wall 5 but also by
2 can be fixed to the tray, and a high shape stability can be imparted to the tray. Therefore, the sealing property is prevented from being deteriorated due to the deformation of the tray particularly when packing / transporting or using the tray after the lid member is fixed. be able to.

【0035】また、特に、折込壁6の内、側壁5と中折
れ線15との間に位置する領域の上縁に切欠部61を設
けたものにあっては、折込壁6の側壁5とフランジ22
の境界部分における接着面積を効果的に確保して接着性
を高めることができるため、より一層高い形状安定性を
トレイに付与することができ、蓋部材固着後の密封性の
低下に対して極めて高い防止効果が発揮される。
In particular, in the case where the notch 61 is provided at the upper edge of the area located between the side wall 5 and the middle folding line 15 in the folding wall 6, the side wall 5 of the folding wall 6 and the flange are provided. 22
Can effectively secure the adhesion area at the boundary portion of the sheet and enhance the adhesion, so that even higher dimensional stability can be imparted to the tray, and the sealing property after fixing the lid member is extremely reduced. High prevention effect is exhibited.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の包装用トレイの一実施形態に係る展開
図である。
FIG. 1 is a development view according to an embodiment of a packaging tray of the present invention.

【図2】本発明の包装用トレイの一実施形態に係る斜視
図である。
FIG. 2 is a perspective view according to an embodiment of the packaging tray of the present invention.

【図3】本発明の包装用トレイの一実施形態に係る要部
を説明するための側面図である。
FIG. 3 is a side view for explaining main parts according to an embodiment of the packaging tray of the present invention.

【図4】本発明の包装用トレイの別の実施形態に係る展
開図である。
FIG. 4 is a development view according to another embodiment of the packaging tray of the present invention.

【図5】本発明の包装用トレイの別の実施形態に係る要
部を説明するための側面図である。
FIG. 5 is a side view for explaining main parts according to another embodiment of the packaging tray of the present invention.

【図6】本発明の包装用トレイの更に別の実施形態に係
る展開図である。
FIG. 6 is a development view of a packaging tray according to still another embodiment of the present invention.

【図7】本発明の包装用トレイの更に別の実施形態に係
る要部を説明するための側面図である。
FIG. 7 is a side view for explaining a main part according to still another embodiment of the packaging tray of the present invention.

【図8】従来例の包装用トレイの斜視図である。FIG. 8 is a perspective view of a conventional packaging tray.

【図9】別の従来例の包装用トレイの展開図及び部分側
面図である。
FIG. 9 is a development view and a partial side view of another conventional packaging tray.

【符号の説明】[Explanation of symbols]

1 底壁 2、3、7、8、11、16、17、43、44 折り
目線 4、5 側壁 6 折込壁 9、10 フランジ片 12 折返片 13、14 接合片 15 中折れ線 21、22 フランジ 41 折返片 42 折込片 61 切欠部
DESCRIPTION OF SYMBOLS 1 Bottom wall 2, 3, 7, 8, 11, 16, 17, 43, 44 Folding line 4, 5 Side wall 6 Folding wall 9, 10 Flange piece 12 Folding piece 13, 14 Joining piece 15 Middle folding line 21, 22 Flange 41 Folded piece 42 Folded piece 61 Notch

───────────────────────────────────────────────────── フロントページの続き Fターム(参考) 3E060 AA07 AB15 BB03 BC01 BC04 BC08 CD02 CD12 DA11 DA18 EA06 EA13 3E067 AA11 AB01 BA10A BA20A BB01A BB14A BB26A BC07A CA24 EA01 EA04 EA06 EC22 EC25 EE02 EE38 EE48 GD06 ──────────────────────────────────────────────────の Continued on the front page F-term (reference) 3E060 AA07 AB15 BB03 BC01 BC04 BC08 CD02 CD12 DA11 DA18 EA06 EA13 3E067 AA11 AB01 BA10A BA20A BB01A BB14A BB26A BC07A CA24 EA01 EA04 EA06 EC22 EC25 EE02 EE38 EE48

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 方形状の底壁(1)の四方の端縁に側壁
(4,5)を立設し、隣接する前記側壁端縁間の折込壁
(6)を中折れ線(15)を介して折り畳んで一方の側
壁に固着し、前記側壁の上縁に設けられたフランジの隣
り合う端部を重ね合わせて固着した包装用トレイにおい
て、 相対向する一対のフランジ(21)は、側壁(4)の上
縁に連接するフランジ片(9)と、該フランジ片(9)
に連接し両端に接合片(13)を備えた折返片(12)
とによって二重壁構造を有して構成され、 他の一対のフランジ(22)は、側壁(5)の上縁に連
接し両端に接合片(14)を備えたフランジ片(10)
を有して構成され、 隣り合う前記フランジ(21)の前記接合片(13)を
下に前記フランジ(22)の前記接合片(14)を上に
して重ね合わせて固着したことを特徴とする包装用トレ
イ。
1. A rectangular bottom wall (1) has side walls (4, 5) erected at four edges thereof, and a folding wall (6) between the adjacent side wall edges is formed with a middle fold line (15). A pair of opposed flanges (21) is provided on a side of the packaging tray, wherein the pair of opposed flanges (21) are folded and fixed to one side wall, and the adjacent ends of the flanges provided on the upper edge of the side wall are overlapped and fixed. 4) a flange piece (9) connected to the upper edge, and the flange piece (9);
Piece (12) which is connected to and has joint pieces (13) at both ends.
The other pair of flanges (22) is connected to the upper edge of the side wall (5) and has flange pieces (10) provided with joining pieces (14) at both ends.
And the fixing pieces (13) of the adjacent flanges (21) are overlapped and fixed with the connecting pieces (14) of the flange (22) facing up. Tray for packaging.
【請求項2】 前記フランジ片(10)の両端部を除い
た領域に折返片(41)が連接されており、 前記折込壁(6)の内、前記フランジ(21)が設けら
れた前記側壁(4)と前記中折れ線(15)との間に位
置する領域の上縁に折込片(42)が連接されており、 前記フランジ(22)は、前記フランジ片(10)の下
面に前記折返片(41)と前記折込片(42)が固着さ
れた二重壁構造を有して構成されていることを特徴とす
る請求項1に記載の包装用トレイ。
2. A folded piece (41) is connected to an area excluding both ends of the flange piece (10), and the side wall provided with the flange (21) in the folded wall (6). A folding piece (42) is connected to an upper edge of a region located between the (4) and the middle folding line (15), and the flange (22) is provided on a lower surface of the flange piece (10). The packaging tray according to claim 1, characterized in that the packaging tray has a double wall structure in which a piece (41) and the folding piece (42) are fixed.
【請求項3】 前記折込壁(6)の内、前記フランジ
(22)が設けられた前記側壁(5)と前記中折れ線
(15)との間に位置する領域の上縁が切り欠かれてい
ることを特徴とする請求項2に記載の包装用トレイ。
3. An upper edge of a region located between the side wall (5) provided with the flange (22) and the middle fold line (15) in the folding wall (6) is cut out. 3. The packaging tray according to claim 2, wherein:
【請求項4】 前記底板(1)が長方形の形状を有し、
二重壁構造を有する前記フランジ(21)が長辺方向
に、前記フランジ(22)が短辺方向に設けられている
ことを特徴とする請求項1に記載の包装用トレイ。
4. The bottom plate (1) has a rectangular shape,
The packaging tray according to claim 1, wherein the flange (21) having a double wall structure is provided in a long side direction, and the flange (22) is provided in a short side direction.
JP2000050435A 2000-02-28 2000-02-28 Packaging tray Expired - Fee Related JP4382948B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000050435A JP4382948B2 (en) 2000-02-28 2000-02-28 Packaging tray

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000050435A JP4382948B2 (en) 2000-02-28 2000-02-28 Packaging tray

Publications (2)

Publication Number Publication Date
JP2001240042A true JP2001240042A (en) 2001-09-04
JP4382948B2 JP4382948B2 (en) 2009-12-16

Family

ID=18572221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000050435A Expired - Fee Related JP4382948B2 (en) 2000-02-28 2000-02-28 Packaging tray

Country Status (1)

Country Link
JP (1) JP4382948B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009012814A (en) * 2007-07-05 2009-01-22 Isamu Sato Food storing container
CN111169387A (en) * 2018-11-12 2020-05-19 株式会社竹广 Disk for vehicle storage space and method of manufacturing the disk
JP2020147314A (en) * 2019-03-13 2020-09-17 大日本印刷株式会社 Paper container with flange and its blank
JP2020152417A (en) * 2019-03-20 2020-09-24 日本製紙株式会社 Paper container with flange
JP2021008280A (en) * 2019-06-28 2021-01-28 大日本印刷株式会社 Paper container with flange and blank of the same
KR102570884B1 (en) * 2022-12-31 2023-08-28 (주)케이피피 Disposable cooking container

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009012814A (en) * 2007-07-05 2009-01-22 Isamu Sato Food storing container
JP4557295B2 (en) * 2007-07-05 2010-10-06 勇 佐藤 Food storage container
CN111169387A (en) * 2018-11-12 2020-05-19 株式会社竹广 Disk for vehicle storage space and method of manufacturing the disk
JP2020078976A (en) * 2018-11-12 2020-05-28 株式会社タケヒロ Tray for vehicular storing space and manufacturing method for tray for vehicular storing space
US11458902B2 (en) 2018-11-12 2022-10-04 Takehiro Co., Ltd. Tray for vehicle storage space and manufacturing method of tray for vehicle storage space
JP2020147314A (en) * 2019-03-13 2020-09-17 大日本印刷株式会社 Paper container with flange and its blank
JP7292604B2 (en) 2019-03-13 2023-06-19 大日本印刷株式会社 Cartons with flanges and their blanks
JP2020152417A (en) * 2019-03-20 2020-09-24 日本製紙株式会社 Paper container with flange
JP7175811B2 (en) 2019-03-20 2022-11-21 日本製紙株式会社 paper container with flange
JP2021008280A (en) * 2019-06-28 2021-01-28 大日本印刷株式会社 Paper container with flange and blank of the same
JP7358802B2 (en) 2019-06-28 2023-10-11 大日本印刷株式会社 Paper containers with flanges and their blanks
KR102570884B1 (en) * 2022-12-31 2023-08-28 (주)케이피피 Disposable cooking container

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