JPH01240444A - 切妻頂部カートン - Google Patents

切妻頂部カートン

Info

Publication number
JPH01240444A
JPH01240444A JP63309768A JP30976888A JPH01240444A JP H01240444 A JPH01240444 A JP H01240444A JP 63309768 A JP63309768 A JP 63309768A JP 30976888 A JP30976888 A JP 30976888A JP H01240444 A JPH01240444 A JP H01240444A
Authority
JP
Japan
Prior art keywords
flap
carton
area
sealed
unsealed
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.)
Pending
Application number
JP63309768A
Other languages
English (en)
Inventor
Donald A Poole
ドナルド　エー　プール
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.)
FBI Brands Ltd
Original Assignee
FBI Brands 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 FBI Brands Ltd filed Critical FBI Brands Ltd
Publication of JPH01240444A publication Critical patent/JPH01240444A/ja
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/76—Making non-permanent or releasable joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B29C66/43122—Closing the top of gable top containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B29C66/81429—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/06—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end-closing or contents-supporting elements formed by folding inwardly a wall extending from, and continuously around, an end of the tubular body
    • B65D5/067—Gable-top containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B29C66/72343—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer for liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Cartons (AREA)
  • Closing Of Containers (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は改良構造の切妻頂部カートンに関する。
［従来の技術］ 切妻頂部カートンは一般に、ミルク、ジュース、柑橘類
製品、及び野菜のカクテルジュース等の液体食品のパッ
クに利用されている。ミルクの場合のように製品を冷蔵
する場合には密封を完全にすることは重要でない、腐敗
を避けることが望ましいが、ミルクは冷蔵しまた貯蔵期
間が短いために、カートンに侵入する汚染物によって腐
敗する問題は実際上はない、したがって、消費者が余り
困難をせずに開けられるように閉成することが可能であ
る。
パックする製品がオレンジジュースや野菜ジュースのよ
うな他の製品の場合、冷蔵せずに適切な貯蔵期間を持つ
ことが望ましい、密封が不十分であるとバクテリア、カ
ビ、又はイーストｍが製品を汚染して腐敗を生じる。ま
た空気が容器に入ると酸化を生じる。したがって、非常
に強力に密封することが必要である。現在の方法では頂
部全体を加熱密封（ヒートシール）し、また垂直方向の
押込線、水平方向の押込線、及び中心の押込点を圧刻し
ている。
［発明が解決しようとする課題］ しかし上記従来の方法では、平均的消費者の立場から見
て容易に開けられないカートン容器となる。これでは切
妻頂部容器を使用する主目的の１つが達成されないこと
となる０例えば、弱い切裂き線を設けるなど、この問題
の解決のために種々の試みがなされたが完全に満足ので
きるものではなかった。
そこで、本発明は、安全な密封ではあるが容易に開けら
れる切妻頂部カートンを提供することを目的とする。
［課題を解決するための手段及び作用］上記目的を達成
するため本発明は、切妻閉鎖部が、突出するサイドフラ
ップ付きの対向サイドパネルと、このサイドパネルのフ
ラップよりも低い高さで突出する端部フラップ付きの対
向端部パネルと、を含み、前記サイドパネル及び端部パ
ネルが開放と開成を容易にする筋線を有し、前記対向サ
イドフラップが相互に接着され、また前記端部フラップ
が前記サイドフラップの下部に接着されるカートンにお
いて、消費者が容易に開けられるように端部フラップの
上部中央部に密封されないか又は軽く密封された領域を
残すことを特徴とする切妻頂部カートンを提供する。
上記構成によれば、サイドフラップを剥がした後に端部
フラップを剥がすことになるが、完全に密封されていな
い領域の存在により端部フラップを容易に開封できるこ
とになる。
［実施例］ 以下、添付図面を参照して本発明の詳細な説明する。
図示のカートンは、全体的には従来と同様の構造であり
、５番目のパネル１２（第３図に図示）で接合された対
の対向側壁１０．１１を有している。また底部閉鎖部１
３と、全体を符号１４で示した切妻頂部を有している。
切妻頂部１４は、第１図又は第２図に示されるように、
開けるのを容易にする筋線１６を有する一対のサイドパ
ネル１５と、筋線１８を有する一対の端部パネル１７を
含む、一対の頂部フラップ１９はサイドパネル１５の延
長部であり、端部パネル１７の延長部であるフラップ２
０よりもいくらか高く延びている。ここで、上記頂部フ
ラップ１９はサイドフラップであり、フラップ２０は端
部フラップである。頂部フラップ１９は第１図に図示の
ように対面関係で熱密封される。フラップ２０は第２図
に図示のように頂部フラップ１９の下部の内側に熱密封
される。そして、５番目のパネルと合わされた開放しな
い端部に一対の押込線２１を設けるのが普通である。他
端には押込線２１ａを設けである。また水平方向の押込
線２２も設けである。これらの押込線は強力に刻み込ま
れてより安全な密封を与える。また押込点２３があり、
これは内側に折られた端部フラップ１７の隣接縁部を一
緒に押し付け、その膨出接合部によりこれら縁部を密封
している。上記は従来の構造である。
本発明と従来の構造との相違は、頂部フラップ１９とフ
ラップ２０との間のｖ：Ｍ域にある。熱間充填の場合、
従来の方法ではフラップ２０の内側全体が頂部フラップ
１９に密封される。本発明では第２図の切欠部に符号２
５で示すようにフラップ２０の頂部中心に好ましくは逆
三角形の形状の非密封域を残す。残りの密封された部分
には陰影を付して符号２４で示しである。第３図には、
密封しない域を２３ａと２３ｂで示してあり、カートン
を閉じた時にこれらが一緒になって域２３を形成する。
特に、押込点２３が三角形２５の頂点にあるときは、こ
こが非密封域であるにもかかわらず有効な密封が得られ
ることが見出された。頂部中心にあるこの非密封域によ
って消費者はカートンの開口を開始することができ、ま
た消費者に十分な力がなくても引張って開けられること
となる。
第４図は、適切なダイス３０の雄あご部を示しており、
これは両頂部フラップ１９を一緒に押付けるダイス面部
３１と、端部用のダイス面部３２と３３、水平方向の打
出線３４と、垂直方向の打出線３５、及び押込点用の打
出突出部３６を含んでいる。頂部フラップ１９とフラッ
プ２ｏを結合するダイス面部３７は符号３８の部分で切
欠きされて三角形の非密封域を残している。これはこの
雄ダイスに合う雌ダイスにも使用できる。
上記の代りに所望の非密封域を得るものに、域２５の接
着を防止する分離剤としてシリコンを使用することがで
きる。熱密封の代りに接着を使用する場合は、もう１つ
の可能な方法として域２５の接着を省く方法がある。し
かしカートンが熱可塑性樹脂でコーティングされている
ときは閉鎖の方法としては熱密封が好ましい、好ましい
構造材は３つの層からなる。すなわち、箔材を接合する
ポリエチレン内部コーティング、厚紙板の層、及び外側
のポリエチレン層である。他の熱可塑性コーティング、
例えば、ポリ塩化ビニル等のビニル樹脂のような食品用
として受は入れられているタイプのものも使用できる。
第５図は、第１図乃至第４図に図示のものと同様の改良
構造であるが、第２図の三角形の代りにほぼ矩形の形状
２５ａを押込点２３のすぐ上のフラップ２０の頂部のと
ころに非密封域又は軽く密封した域として示し、またさ
らに押込点２３と押込線２１ａとの間に延びる非密封域
又は軽く密封した域２５ｂを示している。域２５ａと域
２５ｂは、これらの域に圧力を与えないかあるいはわず
かに圧力をかけるダイスによって、非密封域かあるいは
軽く密封された城として得られる。
適切なダイスの構成は、雌あご部４１を示す第６図と雄
あご部４０を示す第７図に示しである。
第７図において、雄あご部４０は、水平方向の押込線を
形成する長手方向に起立するリブ４３と、容器の密封状
態として残される側に押込線を形成する縦方向のリブ４
４．４５と、容器の開口される側の押込線を形成する縦
方向のリブ４６とを有するダイス面４２を有している。
雄あご部４０は、中心押込点２３を形成する押しねじ４
７を有する。第５図のほぼ矩形の非密封域２５ａは、押
しねじ４７のすぐ上でカートンの開口側にずれた凹陥域
４８により形成される。また押込点２３を形成する押し
ねじ４７から押込線２１ａを形成するリブ４６まで除去
域４９が延設されている。また雄あご部４０は、頂部フ
ラップ１９を密封する域５０並びにフラップ２０の残り
部分を密封する域５１，５２．５３及び５４を含んでい
る。
第６図の雌のダイス４１は、雄あご部４０の部分５０と
対合する上部域５５と、わずかに下側が切込まれている
下方切込域５１とを含み、下方切込域５１の上縁はリブ
４３を収容するように位置している。ダイス４１は、リ
ブ４４．４５を収容するスロット５６．５７とリブ４６
を収容するスロット５８を有する。また雄のダイスの除
去域４９と組み合わされて圧力を除去する凹陥域５９と
雄のダイスの凹陥域４８と組み合わされるほぼ矩形の圧
力除去域６０も有している。
以下に本発明の好ましい実施態様を示す。
（１）少なくともカートンの内側が熱可塑性材によりコ
ーティングされている請求項（特許請求の範囲）に記載
の切妻頂部カートン。
（２）前記フラップが熱密封により接合されている実施
態様項（１）に記載の切妻頂部カートン。
（３）非密封域が逆三角形である請求項、実施態様項（
１）及び（２）のいずれかに記載の切妻頂部カートン。
（４）非密封域のすぐ下に押込点がある請求項、実施態
様項（１）及び（２）のいずれかに記載の切妻頂部カー
トン。
（５）非密封域が逆三角形であり、その頂点に押込点が
ある請求項、実施態様項（１）及び（２）のいずれかに
記載の切妻頂部カートン。
（８）非密封域が逆三角形で、その頂点に押込点があり
、端部フラップの頂部に沿ってサイドフラップに水平方
向の押込線を有し、またサイドフラップの各端部に垂直
方向の押込線を有する請求項、実施態様項（１）及び（
２）のいずれかに記載の切妻頂部カートン。
（７）密封されないか又は軽く密封された域を有する端
部フラップにさらに非密封域又は軽く密封された域を形
成し、このさらに形成された非密封域が前記端部フラッ
プの下部に沿ってそのほぼ中心から外端から離れた位置
まで延びている請求項に記載の切妻頂部カートン。
（８）密封されないか又は軽く密封された域の下方の押
込点、端部フラップの頂部に沿うサイドフラップにおけ
る水平押込線、及びサイドフラップの各端に隣接する垂
直押込線を有し、前記のさらに形成された非密封域が前
記押込点から前記端部フラップの押込線までほぼ延びて
いる実施態様項（７）に記載の切妻頂部カートン。
［発明の効果］ 以上説明したように、本発明によれば、対向端部パネル
の端部フラップの上部中央部に密封されないかまたは軽
く密封された領域を残すようにしたので、安全な密封を
施こした切妻頂部であっても消費者は容易に開封するこ
とができる。
【図面の簡単な説明】
第１図は本発明の切妻頂部カートンの一実施例を示す斜
視図、第２図は第１図に図示のカートンの開口を示す一
部切欠斜視図、第３図は熱密閉された域を示すために開
いて示した第１図に図示のカートンの展開図、第４図は
第１図乃至第３図に図示のカートンを熱密封するために
使用するダイスの正面図、第５図は本発明の他の実施例
による切妻頂部カートンを開けた状態で示す斜視図、第
６図は第５図の実施例を製造するダイスの雌の部分を示
す斜視図、第７図は第５図の実施例を製造するダイスの
雄の部分の斜視図である。 １４・・・切妻頂部、１５・・・サイドパネル、１６，
１８・・・筋線、１７・・・端部パネル、１９．２０・
・・フラップ、２３，２３ａ、２３ｂ、２５．２５ａ、
２５ｂ・・・非密封域 ＦＩＧ、　４

Claims (1)

    【特許請求の範囲】
  1. 切妻閉鎖部が、突出するサイドフラップ付きの対向サイ
    ドパネルと、このサイドパネルのフラップよりも低い高
    さで突出する端部フラップ付きの対向端部パネルと、を
    含み、前記サイドパネル及び端部パネルが開放と閉成を
    容易にする筋線を有し、前記対向サイドフラップが相互
    に接着され、また前記端部フラップが前記サイドフラッ
    プの下部に接着されるカートンにおいて、消費者が容易
    に開けられるように端部フラップの上部中央部に密封さ
    れないか又は軽く密封された領域を残すことを特徴とす
    る切妻頂部カートン。
JP63309768A 1988-03-11 1988-12-06 切妻頂部カートン Pending JPH01240444A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA561,264 1988-03-11
CA000561264A CA1291092C (en) 1988-03-11 1988-03-11 Easy opening gable top carton

Publications (1)

Publication Number Publication Date
JPH01240444A true JPH01240444A (ja) 1989-09-26

Family

ID=4137632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63309768A Pending JPH01240444A (ja) 1988-03-11 1988-12-06 切妻頂部カートン

Country Status (13)

Country Link
US (1) US4946041A (ja)
EP (1) EP0331792B1 (ja)
JP (1) JPH01240444A (ja)
CN (1) CN1017980B (ja)
AT (1) ATE70240T1 (ja)
AU (1) AU608899B2 (ja)
BR (1) BR8900896A (ja)
CA (2) CA1291092C (ja)
CZ (1) CZ278380B6 (ja)
DE (1) DE3866866D1 (ja)
ES (1) ES2028230T3 (ja)
GR (1) GR3003366T3 (ja)
RO (1) RO107075B1 (ja)

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Also Published As

Publication number Publication date
CS9000737A2 (en) 1991-07-16
BR8900896A (pt) 1989-10-24
CA1330070C (en) 1994-06-07
DE3866866D1 (de) 1992-01-23
AU2292688A (en) 1989-09-14
EP0331792B1 (en) 1991-12-11
RO107075B1 (ro) 1993-09-30
CN1017980B (zh) 1992-08-26
EP0331792A2 (en) 1989-09-13
ES2028230T3 (es) 1992-07-01
AU608899B2 (en) 1991-04-18
EP0331792A3 (en) 1990-03-21
CN1035804A (zh) 1989-09-27
US4946041A (en) 1990-08-07
ATE70240T1 (de) 1991-12-15
CA1291092C (en) 1991-10-22
GR3003366T3 (en) 1993-02-17
CZ278380B6 (en) 1993-12-15

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