JPH10203502A - 縦型製袋充填包装方法におけるエンドシールの強化方法 - Google Patents

縦型製袋充填包装方法におけるエンドシールの強化方法

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Publication number
JPH10203502A
JPH10203502A JP4135797A JP4135797A JPH10203502A JP H10203502 A JPH10203502 A JP H10203502A JP 4135797 A JP4135797 A JP 4135797A JP 4135797 A JP4135797 A JP 4135797A JP H10203502 A JPH10203502 A JP H10203502A
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JP
Japan
Prior art keywords
web
packaging
filling
bag
sealing
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Granted
Application number
JP4135797A
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English (en)
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JP3839542B2 (ja
Inventor
Yoshio Furuta
恵夫 古田
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.)
Kawashima Packaging Machinery Ltd
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Kawashima Packaging Machinery Ltd
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Priority to JP4135797A priority Critical patent/JP3839542B2/ja
Publication of JPH10203502A publication Critical patent/JPH10203502A/ja
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Publication of JP3839542B2 publication Critical patent/JP3839542B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C66/01—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
    • 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
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • 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
    • B29C66/346—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration
    • B29C66/3464—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration by preheating
    • 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
    • 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
    • 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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36—Bending and joining, e.g. for making hollow articles
    • B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B29C53/48—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
    • B29C53/50—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively using internal forming surfaces, e.g. mandrels
    • 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
    • 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
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • 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
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)

Abstract

(57)【要約】 【目的】 包装速度を低下させないで横シールのシール
強度を強化する，縦型製袋充填包装方法における横シー
ルの強化方法。 【構成】 連続するウエブＦを製袋器１に掛けて筒状に
折上げ両側のウエブ端縁ｆを合わせて縦シールして包装
筒Ｈとし、該包装筒Ｈ内に被包装物Ｆを落下充填し、か
つ、包装筒Ｈの前記充填した被包装物Ｆの上側と下側を
横シール・カットする縦型製袋充填包装方法において、
前記ウエブＦの製袋器１よりも上流側の位置であって横
シール・カット位置から辿って袋長さの倍数の長さに相
当する位置において、横シール・カットを行うためのウ
エブＦの間欠停止時にウエブＦに幅方向に帯状に予熱す
る。

Description

【発明の詳細な説明】
【０００１】
【発明が属する技術分野】本発明は、包装速度を低下さ
せないで横シールのシール強度を強化する，縦型製袋充
填包装方法における横シールの強化方法に関する。
【０００２】
【従来の技術】従来の縦型製袋充填包装方法は、連続す
るウエブを製袋器に掛けて筒状に折上げ両側のウエブ端
縁を合わせて縦シールして包装筒とし、該包装筒内に被
包装物を落下充填し、かつ、包装筒の前記充填した被包
装物の上側と下側を横二条シールしかつシール間をカッ
トする構成である。従来において、横シールの強度を強
化するにはヒートシールバーのシール温度を高くする
か、又はシール時間を長くとっていた。
【０００３】
【発明が解決しようとする課題】上述したヒートシール
バーのシール温度を高くして横シールを強化する方法に
よれば、包装速度を低下させないで済むので包装速度が
大きくなるに従いシール時間（ウエブの間欠停止時間内
で確保する）が比例的に短くなるから有効である。しか
し、無駄紙防止のために稼働を一時停止し再び稼働する
ときにヒートシールバーのシール温度が異常に高温とな
りウエブがヒートシールバーに溶着してしまう惧れがあ
るので、ヒートシールバーのシール温度を高くするには
限度があり包装速度の高速化（例えば、毎分１００袋以
上の包装速度にすること）に対応できなかった。また、
シール温度を高くしシール時間を短くすると、ウエブを
構成している熱可溶性の内層フィルム同士が十分に溶着
しなくなり外層フィルムとの接着も剥がれる等のシール
不良となり、またウエブを構成している熱町塑性の外層
フィルムにダメージを与えてしまう。また、上述したシ
ール時間を長くとって横シールを強化する方法によれ
ば、包装速度の高速化に対応させることが全くできなか
った。
【０００４】本発明は、上述した点に鑑み案出したもの
で、包装速度を低下させないで横シールのシール強度を
強化する，縦型製袋充填包装方法における横シールの強
化方法を提供することを目的としている。
【０００５】
【課題を解決するための手段】本願発明は、連続するウ
エブＦを製袋器１に掛けて筒状に折上け両側のウエブ端
縁ｆを合わせて縦シールして包装筒Ｈとし、該包装筒Ｈ
内に被包装物Ｆを落下充填し、かつ、包装筒Ｈの前記充
填した被包装物Ｆの上側と下側を横シール・カットする
縦型製袋充填包装方法において、前記ウエブＦの製袋器
１よりも上流側の位置であって横シール・カット位置か
ら辿って袋長さの倍数の長さに相当する位置において、
横シール・カットを行うためのウエブＦの間欠停止時に
ウエブＦに幅方向に帯状に予熱することを特徴とする縦
型製袋充填包装方法における横シールの強化方法を提供
するものである。
【０００６】
【実施の形態】以下、本願発明の実施の形態の縦型製袋
充填包装方法における横シールの強化方法を図面を参照
して説明する。縦型製袋充填包装方法は、連続するウエ
ブＦを製袋器１に掛けて製袋器１の内側に通された円筒
体２を包むように筒状に折上げかつ円筒体２の側方で両
側のウエブ端縁ｆを合掌状又は封筒貼り状に合わせて円
筒体２の下方の横シール・カット位置よりも下方に垂下
し、包装を開始して、ウエブ送りの間欠停止時に前記の
両側のウエブ端縁ｆを縦シール装置３により縦シールし
て包装筒Ｈとするとともに横シール・カット装置４によ
り包装筒Ｈに横二条シールしかつシール間をカットし、
さらに、包装箇Ｈの前記充填した被包装物Ｆの上側と下
側を横シール・カットする円筒体２内に被包装物Ｆを落
下させて該包装筒Ｈ内に収容された被包装物Ｆを横シー
ル・カット装置４に付設されたシャッター５で受け止め
た後、縦シール装置３と横シール・カット装置４のシー
ルバーをウエブから離間させ、続いて、ウエブ送り装置
６によりウエブＦを下方へ一袋の長さ分だけ移送させて
再び間欠停止し、再び、縦シールするとともに横シール
・カットすることにより、包装筒Ｈの該包装筒Ｈ内に充
填した被包装物Ｆの上側と下側を横シール・カットして
袋包装品を製造するものである。
【０００７】本願発明の実施の形態の横シールの強化方
法は、上述した縦型製袋充填包装方法において、製袋器
１よりも上流側のウエブＦを水平面内に移送する位置に
位置調整自在に設けた予熱用シール装置７の開閉自在な
上下一対の予熱用シールバー７ａ，７ｂを包装に先立っ
てモータ駆動により又はハンドル操作により位置合わせ
する。この位置合わせは、ウエブＦの横シール・カット
位置から上流方向へ辿って袋長さの倍数の長さに相当す
る位置に合わせて予熱用シールバー７ａ，７ｂによる予
熱位置が横シール・カット装置４の横二条シール位置と
合致させるものである。そうして、横シール・カットを
行うためのウエブＦの間欠停止時に予熱用シールバー７
ａ，７ｂを閉じてウエブＦを挟み該ウエブＦに幅方向に
帯状に予熱する。予熱温度は横シール・カット装置４に
よるシール温度よりも１０度ないし２０度位低く設定す
る。ウエブＦは熱可溶性フィルム（例えばポリエチレン
フィルム）と熱可塑性フィルムの張り合わせであり、予
熱位置におけるウエブＦの上面が熱可溶性フィルムであ
り、下面が熱可塑性フィルムである。従って、上側の予
熱用シールバー７ａの予熱温度をウエブＦの上面層の熱
可溶性フィルムの溶融温度よりも数度低い温度にすると
ともに、下側の予熱用シールバー７ｂの予熱温度をウエ
ブＦの上面層の熱可溶性フィルムの溶融温度と略同一に
するのが良い。こうして予熱された帯状の箇所は、冷め
ないうちに横シール・カット装置４により横二条シール
される。従って、横二条シール位置はシール温度が高く
なりウエブ内面同士のシール溶着が強く行われる。
【０００８】
【発明の効果】以上説明してきたように、本発明の縦型
製袋充填包装方法における横シールの強化方法によれ
ば、横シール・カット装置により横二条シールする時間
を長く確保するものではないから包装速度を低下させな
いで横シールのシール強度を強化することができ、包装
速度の高速化に十分に対応させることができる。
【図面の簡単な説明】
【図１】本発明の実施の形態の縦型製袋充填包装方法に
おける横シールの強化方法に係り、（ａ）は説明するた
めの包装機の概略全体図、（ｂ）は要部拡大図。
【符号の説明】
１ ・・・製袋器 Ｆ ・・・ウエブ ｆ ・・・ウエブ端縁 Ｈ ・・・包装筒

Claims (1)

    【特許請求の範囲】
  1. 【請求項１】 連続するウエブを製袋器に掛けて筒状に
    折上げ両側のウエブ端縁を合わせて縦シールして包装筒
    とし、該包装筒内に被包装物を落下充填し、かつ、包装
    筒の前記充填した被包装物の上側と下側を横シール・カ
    ットする縦型製袋充填包装方法において、 前記ウエブの製袋器よりも上流側の位置であって横シー
    ル・カット位置から辿って袋長さの倍数の長さに相当す
    る位置において、横シール・カットを行うためのウエブ
    の間欠停止時にウエブに幅方向に帯状に予熱することを
    特徴とする縦型製袋充填包装方法における横シールの強
    化方法。
JP4135797A 1997-01-20 1997-01-20 縦型製袋充填包装方法におけるエンドシールの強化方法 Expired - Fee Related JP3839542B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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JP4135797A JP3839542B2 (ja) 1997-01-20 1997-01-20 縦型製袋充填包装方法におけるエンドシールの強化方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002179007A (ja) * 2000-12-15 2002-06-26 Kyoraku Co Ltd 充填包装方法
US7523597B2 (en) * 2007-03-20 2009-04-28 J & F Business, Inc. Apparatus and method for mounting a bag former

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002179007A (ja) * 2000-12-15 2002-06-26 Kyoraku Co Ltd 充填包装方法
US7523597B2 (en) * 2007-03-20 2009-04-28 J & F Business, Inc. Apparatus and method for mounting a bag former

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