JP4190963B2 - Spout preheating device - Google Patents

Spout preheating device Download PDF

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Publication number
JP4190963B2
JP4190963B2 JP2003184044A JP2003184044A JP4190963B2 JP 4190963 B2 JP4190963 B2 JP 4190963B2 JP 2003184044 A JP2003184044 A JP 2003184044A JP 2003184044 A JP2003184044 A JP 2003184044A JP 4190963 B2 JP4190963 B2 JP 4190963B2
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JP
Japan
Prior art keywords
spout
hot air
seal
heating duct
preheating device
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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.)
Expired - Fee Related
Application number
JP2003184044A
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Japanese (ja)
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JP2005014467A (en
Inventor
嗣人 堀川
剛志 和田
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Fuji Seal International Inc
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Fuji Seal International Inc
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Priority to JP2003184044A priority Critical patent/JP4190963B2/en
Publication of JP2005014467A publication Critical patent/JP2005014467A/en
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Publication of JP4190963B2 publication Critical patent/JP4190963B2/en
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    • 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
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one 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
    • 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
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/034—Thermal after-treatments
    • B29C66/0342—Cooling, e.g. transporting through welding and cooling zone
    • 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
    • B29C66/01—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
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • 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
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
    • B29C66/53261—Enclosing tubular articles between substantially flat elements
    • B29C66/53262—Enclosing spouts between the walls of bags, e.g. of medical bags
    • B29C66/53263—Enclosing spouts between the walls of bags, e.g. of medical bags said spouts comprising wings, e.g. said spouts being of ship-like or canoe-like form to avoid leaks in the corners
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • 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
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
    • B29C2035/046—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames dried air
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412—Infrared [IR] radiation
    • B29C65/1422—Far-infrared radiation [FIR]
    • 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
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1432—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface direct heating of the surfaces 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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Description

【０００１】
【発明の属する技術分野】
この発明は、パウチ容器における袋状の容器本体に熱溶着されるスパウトのシール部を予備的に加熱するスパウトの予備加熱装置に関する。
【０００２】
【従来の技術】
近年、シャンプー等の液体商品を充填する容器として、合成樹脂フィルム等からなる内面が熱接着性を有するフレキシブルシートによって袋状の容器本体を形成し、この容器本体に、スクリューキャップ等によって口部を開閉することができるスパウトを取り付けたパウチ容器が使用されるようになってきている。
【０００３】
ところで、こういったパウチ容器は、スパウトのシール部に袋状の容器本体を被せ、両者をシールバーで挟み込んでヒートシールすることによって、容器本体にスパウトを装着するのが一般的であり、容器本体とスパウトとのヒートシール部分に十分なシール性能を確保するために、両者をヒートシールする前に、予備加熱装置によって、スパウトのシール部を予備的に加熱することが行われている。
【０００４】
こういった予備加熱装置としては、スパウト全体を取り囲むように、スパウトの搬送路に取り付けたカバーと、このカバー内に温風を供給する温風供給手段とを備えたものがあり、温風が供給されることによって、カバー内が常時所定温度（例えば、３５℃程度）に保持され、そこをスパウトが通過することによって、スパウト全体が予備的に加熱されるようになっている。
【０００５】
【特許文献１】
特開２００１−３５３７９２号公報
【０００６】
【発明が解決しようとする課題】
ところで、上述したような予備加熱装置では、スパウトにおけるシール部だけでなく、スクリューキャップが装着されるキャップ装着部も同時に加熱されるので、キャップ装着部の膨張や熱変形等に起因したスクリューキャップの密閉不良を考慮すると、カバー内の温度を極端に高くすることができない。
【０００７】
従って、こういった予備加熱装置では、スパウトにおけるシール部の表面を十分に昇温させることができず、安定したシール性能を十分に確保することができないのが現状である。
【０００８】
そこで、この発明の課題は、安定したシール性能を十分に確保することができるスパウトの予備加熱装置を提供することにある。
【０００９】
【課題を解決するための手段及びその効果】
上記の課題を解決するため、請求項１にかかる発明は、パウチ容器における袋状の容器本体にヒートシールされるスパウトのシール部を予備的に加熱するスパウトの予備加熱装置であって、スパウトのキャップ装着部に対して所定方向に常温のエアを吹き付けることで、スパウトを搬送するエア搬送手段を有するスパウト供給レーンに設置されており、順次搬送される前記スパウトにおける、キャップ装着部を除くシール部のみを取り囲む加熱ダクトと、前記加熱ダクト内に熱風を供給する熱風供給手段とを備え、前記エア搬送手段が前記キャップ装着部に常温のエアを吹き付けることで、スパウトのキャップ装着部が加熱されないようにしつつ、前記加熱ダクトによって取り囲まれたスパウトのシール部のみが前記加熱ダクト内に導入される熱風によって局部的に加熱されるように構成されていることを特徴とするスパウトの予備加熱装置を提供するものである。
【００１０】
以上のように、この予備加熱装置は、加熱ダクトによって取り囲まれたスパウトのシール部のみが、加熱ダクト内に導入される熱風によって局部的に加熱されるようになっているので、スパウトのキャップ装着部を加熱することなく、加熱ダクト内の温度、即ち、加熱ダクト内に導入される熱風の温度や加熱ダクトを通過するスパウトの通過時間を調整することによって、スパウトのシール部の表面温度を、所望の温度まで昇温させることができ、容器本体とスパウトのシール部とのヒートシール部分に十分なシール性能を確保することが可能となる。
【００１１】
また、この予備加熱装置は、スパウトのキャップ装着部に対して所定方向に常温のエアを吹き付けることで、スパウトを搬送するエア搬送手段を有するスパウト供給レーンに設置されているので、スパウトのキャップ装着部が、さらに加熱されにくいという効果が得られる。
【００１３】
【発明の実施の形態】
以下、実施の形態について図面を参照して説明する。図１は、図５に示すように、内面にポリエチレン系樹脂等からなる熱接着性樹脂層を有するフレキシブルシートによって形成された袋状の容器本体Ｂにポリエチレン系樹脂等からなるスパウトＳが装着されたパウチ容器Ｐの製袋装置２にスパウトＳを供給するためのスパウト供給装置３を示している。このスパウト供給装置３は、多数のスパウトＳを集積するストッカ４と、このストッカ４に集積されたスパウトＳを搬送するバケットコンベア５と、このバケットコンベア５によって搬送されてくる複数のスパウトＳを、整列させた状態で１個づつ送出するパーツフィーダ６と、このパーツフィーダ６によって１個づつ送出されるスパウトＳをパウチ容器の製袋装置２に引き渡すスパウト供給レーン７とを備えており、スパウト供給レーン７には、スパウトＳのシール部Ｓ２を予備的に加熱する予備加熱装置が設置されている。
【００１４】
前記スパウト供給レーン７は、図２及び図３に示すように、スパウトＳを、そのキャップ装着部Ｓ１とシール部Ｓ２との境界部分に形成された上下一対の鍔部Ｆ１、Ｆ２（図５参照）の間に嵌り込むことによって、スパウトＳを摺動自在に支持する左右一対のガイド板７ａ、７ｂと、このガイド板７ａ、７ｂに支持されたスパウトＳのキャップ装着部Ｓ１に対して所定方向に常温のエアを吹き付けることで、ガイド板７ａ、７ｂに沿ってスパウトＳを摺動させるエア搬送手段７ｃとを備えており、ガイド板７ａ、７ｂ、エア搬送手段７ｃ及びスパウトＳ等を囲うように、スパウトＳの搬送路に沿って、カバー７ｄが取り付けられている。
【００１５】
前記予備加熱装置１は、図２及び図３に示すように、スパウト供給レーン７を通過するスパウトＳのシール部Ｓ２を取り囲む加熱ダクト１１と、この加熱ダクト１１内に、例えば、７０〜１００℃程度の熱風を供給する、図示しない熱風供給手段とを備えており、スパウトＳのシール部Ｓ２が加熱ダクト１１内を通過する間に、シール部Ｓ２の表面温度が５０〜６０℃程度まで昇温されるようになっている。なお、シール部Ｓ２の表面温度は、加熱ダクト１１内に供給される熱風の温度や加熱ダクト１１を通過するスパウトＳの通過時間によって調整することができる。
【００１６】
前記加熱ダクト１１は、スパウト供給レーン７を構成しているガイド板７ａ、７ｂと、このガイド板７ａ、７ｂの下側を囲う断面略Ｕ字状のダクト本体１２と、このダクト本体１２の両端開口部を、スパウトＳが通過可能に略閉塞する端板１３とから構成されており、ダクト本体１２は、スパウト供給レーン７のカバー７ｄを支持しているブラケット７ｅに固定された支持プレート１４に支持されている。
【００１７】
ダクト本体１２及び支持プレート１４には、相互に一致する熱風導入口１２ａ及び熱風導入穴１４ａがそれぞれ形成されており、支持プレート１４には、ブロック１５を介して、熱風供給手段から熱風を送出する熱風チューブ１９を接続するための接続タッピング１６が取り付けられている。
【００１８】
また、加熱ダクト１１内には、ダクト本体１２の底面を略覆うように、ダクト本体１２の長手方向に伸びる多数の小孔が形成された遮蔽板１７が、支持脚１８を介して、所定の高さ位置に支持されており、３カ所の熱風導入口１２ａから導入される高温の熱風が、スパウトＳのシール部Ｓ２に直接吹き付けられず、分散されるようになっている。
【００１９】
以上のように、この予備加熱装置１は、加熱ダクト１１によってキャップ装着部Ｓ１から区画されたスパウトＳのシール部Ｓ２が、加熱ダクト１１内に導入される熱風によって局部的に加熱されるようになっているので、スパウトＳのキャップ装着部Ｓ１を加熱することなく、加熱ダクト１１内の温度、即ち、加熱ダクト１１内に導入される熱風の温度を調整することによって、スパウトＳのシール部Ｓ２の表面温度を、所望の温度まで昇温させることができ、容器本体Ｂを形成する２枚のフレキシブルシートの間にスパウトＳのシール部Ｓ２を挟み込んで、フレキシブルシートの外面からヒートシールする際に、容器本体Ｂを形成するフレキシブルシートの内面とスパウトＳのシール部Ｓ２とのヒートシール部分に十分なシール性能（フレキシブルシートに収縮や皺等のダメージを与えず、適度なシール強度が得られる）を確保することが可能となる。
【００２０】
特に、この予備加熱装置１が設置されているスパウト供給レーン７では、スパウトＳのキャップ装着部Ｓ１に対して所定方向に常温のエアを吹き付けることで、ガイド板７ａ、７ｂに沿ってスパウトＳを摺動させるようになっているので、スパウトＳのキャップ装着部Ｓ１が、さらに加熱されにくくなっている。
【００２１】
なお、上述した実施形態では、スパウトＳのシール部Ｓ２を加熱ダクト１１で囲い、加熱ダクト１１内に導入される熱風によって、スパウトＳのシール部Ｓ２を加熱するようにしているが、これに限定されるものではなく、例えば、順次搬送されてくるスパウトＳのキャップ装着部Ｓ１とシール部Ｓ２とを区画する仕切体を設け、仕切体の下側に所定温度に調整された温風や熱風を吹き付けることによって、スパウトＳのシール部Ｓ２を加熱したり、遠赤外線ヒータ等の輻射熱ヒータでスパウトＳのシール部Ｓ２を直接加熱したりすることも可能である。この場合、スパウトＳを摺動可能に支持しているガイド板７ａ、７ｂを仕切体として使用することができることはいうまでもない。
【００２２】
また、上述した実施形態では、スパウトＳをパウチ容器Ｐの製袋装置２に引き渡すスパウト供給レーン７に設置される予備加熱装置１について説明したが、これに限定されるものではなく、例えば、図４に示すように、製袋装置２に通常設けられている、袋状の容器本体ＢとスパウトＳのシール部Ｓ２とをヒートシールするための一対のシールバー（例えば、１８０℃）ＳＢや容器本体Ｂとシール部Ｓ２とのヒートシール部分を冷却するための一対の冷却バー（常温）ＣＢに加えて、スパウトＳのシール部Ｓ２の表面形状と略合致した内側面形状を有する一対の加熱バー（例えば、１００℃）ＨＢを設け、まず、同図（ａ）に示すように、スパウトＳのシール部Ｓ２を加熱バーＨＢによって所定時間挟み込んで加熱することで、シール部Ｓ２の表面温度を５０〜６０℃程度まで昇温させた後、同図（ｂ）に示すように、スパウトＳのシール部Ｓ２に容器本体Ｂを被せ、シールバーＳＢによって挟み込んで両者をヒートシールし、同図（ｃ）に示すように、容器本体ＢとスパウトＳとのヒートシール部分を冷却バーＣＢによって挟み込んで冷却するようにしてもよい。
【００２３】
以上のように、このスパウトの予備加熱装置では、スパウトＳのシール部Ｓ２に容器本体Ｂを被せてヒートシールする直前に、スパウトＳのシール部Ｓ２を一対の加熱バーＨＢによって挟み込んで、ヒートシールに必要なシール部Ｓ２の表面のみを直接加熱するようになっているので、加熱バーＨＢの温度や加熱バーＨＢによるシール部Ｓ２の挟持時間を適宜調整することで、スパウトＳにおけるシール部Ｓ２の表面温度を所望の温度まで昇温させることができ、容器本体ＢとスパウトＳのシール部Ｓ２とのヒートシール部分に十分なシール性能を確保することが可能となる。
【００２４】
なお、図４では、スパウトＳを効率よく移動（昇降）させるために、最上位置に加熱バーＨＢを、中間位置にシールバーＳＢを、最下位置に冷却バーＣＢを配置しているが、これに限定されるものではなく、例えば、最上位置にシールバーＳＢを、中間位置に加熱バーＨＢを、最下位置に冷却バーＣＢを配置するといった具合に、加熱温度の高いものが上側に位置するように、配置することも可能である。
【００２５】
また、本発明のスパウトの予備加熱装置では、シール部が、円形、楕円形、舟形、菱形といった種々の断面形状を有するスパウトについて適用することができることはいうまでもない。
【図面の簡単な説明】
【図１】この発明にかかるスパウトの予備加熱装置が設置されているスパウト供給装置を示す概略構成図である。
【図２】同上の予備加熱装置を示す平面図である。
【図３】同上の予備加熱装置を示す断面図である。
【図４】（ａ）〜（ｃ）は他の実施形態を示す動作説明図である。
【図５】一般的なパウチ容器を示す正面図である。
【符号の説明】
１ 予備加熱装置
７ａ、７ｂ ガイド板
１１ 加熱ダクト
１２ ダクト本体
１２ａ 熱風導入口
１３ 端板
１４ 支持プレート
１４ａ 熱風導入穴
１５ ブロック
１６ 接続タッピング
１７ 遮蔽板
１８ 支持脚
１９ 熱風チューブ
ＨＢ 加熱バー
ＳＢ シールバー
ＣＢ 冷却バー
Ｐ パウチ容器
Ｂ 容器本体
Ｓ スパウト
Ｓ１ キャップ装着部
Ｓ２ シール部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a spout preheating device for preliminarily heating a seal portion of a spout that is thermally welded to a bag-like container body in a pouch container.
[0002]
[Prior art]
In recent years, as a container for filling liquid products such as shampoo, a bag-like container body is formed by a flexible sheet having an inner surface made of a synthetic resin film or the like having thermal adhesiveness, and a mouth portion is formed on the container body by a screw cap or the like. Pouch containers equipped with a spout that can be opened and closed have come to be used.
[0003]
By the way, such a pouch container generally has a spout attached to the container body by covering the spout seal part with a bag-like container body and sandwiching both with a seal bar and heat-sealing. In order to ensure a sufficient sealing performance at the heat sealing portion between the main body and the spout, the sealing portion of the spout is preliminarily heated by a preheating device before the two are heat sealed.
[0004]
As such a preheating device, there is a device provided with a cover attached to the spout conveyance path so as to surround the entire spout and hot air supply means for supplying warm air into the cover. By being supplied, the inside of the cover is always kept at a predetermined temperature (for example, about 35 ° C.), and when the spout passes there, the entire spout is preliminarily heated.
[0005]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-353792
[Problems to be solved by the invention]
By the way, in the preheating device as described above, not only the seal portion in the spout but also the cap mounting portion to which the screw cap is mounted is heated at the same time. Considering the sealing failure, the temperature inside the cover cannot be made extremely high.
[0007]
Therefore, in such a preheating device, the temperature of the surface of the seal portion in the spout cannot be sufficiently raised, and the stable sealing performance cannot be sufficiently ensured at present.
[0008]
Therefore, an object of the present invention is to provide a spout preheating device that can sufficiently ensure stable sealing performance.
[0009]
[Means for solving the problems and effects thereof]
In order to solve the above-mentioned problem, the invention according to claim 1 is a spout preheating device for preheating a spout seal portion heat-sealed to a bag-like container body in a pouch container , A seal part excluding the cap mounting part in the spout that is installed in the spout supply lane having air transport means for transporting the spout by blowing air at normal temperature in a predetermined direction to the cap mounting part. And a hot air supply means for supplying hot air into the heating duct, and the air conveying means blows room temperature air onto the cap mounting portion so that the cap mounting portion of the spout is not heated. However, only the spout seal surrounded by the heating duct is introduced into the heating duct. There is provided a preheating device spout, characterized in that it is configured to be locally heated by the hot air.
[0010]
As described above, the preheating equipment, only the sealing portions of the spout surrounded by heating duct, because is adapted to be locally heated by hot air introduced into the heating duct, a cap of the spout By adjusting the temperature in the heating duct, that is, the temperature of hot air introduced into the heating duct and the passage time of the spout passing through the heating duct without heating the mounting part, the surface temperature of the sealing part of the spout is adjusted. The temperature can be raised to a desired temperature, and a sufficient sealing performance can be ensured in the heat seal portion between the container body and the seal portion of the spout.
[0011]
In addition, this preheating device is installed in a spout supply lane having air conveying means for conveying the spout by blowing room temperature air in a predetermined direction against the cap mounting portion of the spout. The effect that the part is further hardly heated is obtained .
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments will be described with reference to the drawings. In FIG. 1, as shown in FIG. 5, a spout S made of polyethylene resin or the like is attached to a bag-like container body B formed of a flexible sheet having a heat-adhesive resin layer made of polyethylene resin or the like on the inner surface. The spout supply device 3 for supplying the spout S to the bag making device 2 of the pouch container P is shown. The spout supply device 3 includes a stocker 4 for accumulating a large number of spouts S, a bucket conveyor 5 for conveying the spouts S accumulated in the stocker 4, and a plurality of spouts S conveyed by the bucket conveyor 5. A spout supply lane is provided, which includes a parts feeder 6 that sends out one by one in an aligned state, and a spout supply lane 7 that delivers the spout S that is sent one by one by the parts feeder 6 to the bag making apparatus 2 of the pouch container. In the lane 7, a preheating device for preliminarily heating the seal portion S2 of the spout S is installed.
[0014]
As shown in FIGS. 2 and 3, the spout supply lane 7 includes a pair of upper and lower flange portions F1 and F2 (see FIG. 5) formed on the boundary portion between the cap mounting portion S1 and the seal portion S2. ) Between the left and right guide plates 7a and 7b that slidably support the spout S and a cap mounting portion S1 of the spout S supported by the guide plates 7a and 7b in a predetermined direction. And air conveying means 7c for sliding the spout S along the guide plates 7a and 7b by blowing normal temperature air to the guide plates 7a and 7b, the air conveying means 7c, the spout S and so on. A cover 7d is attached along the transport path of the spout S.
[0015]
As shown in FIGS. 2 and 3, the preheating device 1 includes a heating duct 11 that surrounds the seal portion S <b> 2 of the spout S that passes through the spout supply lane 7, and the heating duct 11 includes, for example, 70 to 100 ° C. A hot air supply means (not shown) for supplying hot air of a certain degree, and while the seal part S2 of the spout S passes through the heating duct 11, the surface temperature of the seal part S2 is raised to about 50 to 60 ° C. It has come to be. The surface temperature of the seal portion S2 can be adjusted by the temperature of the hot air supplied into the heating duct 11 and the passage time of the spout S passing through the heating duct 11.
[0016]
The heating duct 11 includes guide plates 7a and 7b constituting a spout supply lane 7, a duct body 12 having a substantially U-shaped cross section surrounding the lower sides of the guide plates 7a and 7b, and both ends of the duct body 12 The opening is composed of an end plate 13 that is substantially closed so that the spout S can pass therethrough. The duct body 12 is attached to a support plate 14 fixed to a bracket 7e that supports the cover 7d of the spout supply lane 7. It is supported.
[0017]
The duct body 12 and the support plate 14 are respectively formed with hot air introduction ports 12a and hot air introduction holes 14a that coincide with each other. Hot air is sent from the hot air supply means to the support plate 14 via the block 15. A connection tapping 16 for connecting the hot air tube 19 is attached.
[0018]
In addition, a shielding plate 17 in which a large number of small holes extending in the longitudinal direction of the duct main body 12 is formed in the heating duct 11 so as to substantially cover the bottom surface of the duct main body 12 via a support leg 18. The hot hot air that is supported at the height position and is introduced from the three hot air inlets 12a is not directly blown to the seal portion S2 of the spout S, but is dispersed.
[0019]
As described above, the preheating device 1 is configured so that the seal portion S2 of the spout S partitioned from the cap mounting portion S1 by the heating duct 11 is locally heated by the hot air introduced into the heating duct 11. Therefore, by adjusting the temperature in the heating duct 11, that is, the temperature of the hot air introduced into the heating duct 11, without heating the cap mounting portion S1 of the spout S, the sealing portion S2 of the spout S is adjusted. The surface temperature of the spout S can be raised to a desired temperature, and the sealing portion S2 of the spout S is sandwiched between the two flexible sheets forming the container body B and heat sealed from the outer surface of the flexible sheet. , Sufficient sealing performance for the heat seal portion between the inner surface of the flexible sheet forming the container body B and the seal portion S2 of the spout S Without damaging such shrinkage or wrinkles Shiburushito moderate seal strength can be obtained) can be ensured.
[0020]
In particular, in the spout supply lane 7 in which the preheating device 1 is installed, the spout S is blown along the guide plates 7a and 7b by blowing air at normal temperature to the cap mounting part S1 of the spout S in a predetermined direction. Since it is made to slide, the cap mounting part S1 of the spout S is further hardly heated.
[0021]
In the embodiment described above, the sealing portion S2 of the spout S is surrounded by the heating duct 11, and the sealing portion S2 of the spout S is heated by hot air introduced into the heating duct 11, but this is not limitative. For example, a partition body that partitions the cap mounting portion S1 and the seal portion S2 of the spout S that is sequentially conveyed is provided, and hot air or hot air adjusted to a predetermined temperature is provided below the partition body. By spraying, it is possible to heat the seal portion S2 of the spout S, or to directly heat the seal portion S2 of the spout S with a radiant heat heater such as a far infrared heater. In this case, it is needless to say that the guide plates 7a and 7b that support the spout S so as to be slidable can be used as a partition.
[0022]
Moreover, although the embodiment mentioned above demonstrated the preheating apparatus 1 installed in the spout supply lane 7 which delivers the spout S to the bag making apparatus 2 of the pouch container P, it is not limited to this, For example, FIG. As shown in FIG. 4, a pair of seal bars (for example, 180 ° C.) SB and containers for heat-sealing the bag-shaped container body B and the seal part S2 of the spout S, which are usually provided in the bag-making apparatus 2 In addition to a pair of cooling bars (room temperature) CB for cooling the heat seal portion between the main body B and the seal portion S2, a pair of heating bars having an inner surface shape substantially matching the surface shape of the seal portion S2 of the spout S (For example, 100 ° C.) HB is provided, and first, as shown in FIG. 5A, the sealing portion S2 of the spout S is sandwiched by the heating bar HB for a predetermined time to be heated. After raising the surface temperature to about 50 to 60 ° C., as shown in FIG. 5B, the container body B is put on the seal part S2 of the spout S and sandwiched by the seal bar SB to heat-seal both. As shown in FIG. 5C, the heat seal portion between the container main body B and the spout S may be sandwiched between cooling bars CB and cooled.
[0023]
As described above, in this spout preheating apparatus, just before the heat sealing is performed by covering the container body B with the seal portion S2 of the spout S, the seal portion S2 of the spout S is sandwiched between the pair of heating bars HB, and the heat seal is performed. Since only the surface of the seal part S2 necessary for heating is directly heated, the temperature of the heating bar HB and the holding time of the seal part S2 by the heating bar HB are appropriately adjusted, so that the seal part S2 in the spout S can be adjusted. The surface temperature can be raised to a desired temperature, and sufficient sealing performance can be ensured in the heat seal portion between the container body B and the seal portion S2 of the spout S.
[0024]
In FIG. 4, in order to efficiently move (lift) the spout S, the heating bar HB is disposed at the uppermost position, the seal bar SB is disposed at the intermediate position, and the cooling bar CB is disposed at the lowermost position. For example, the one having the higher heating temperature is positioned on the upper side, for example, the seal bar SB is disposed at the uppermost position, the heating bar HB is disposed at the intermediate position, and the cooling bar CB is disposed at the lowermost position. It is also possible to arrange them.
[0025]
Further, it is needless to say that the spout preheating device of the present invention can be applied to spouts having various cross-sectional shapes such as a circular shape, an elliptical shape, a boat shape, and a diamond shape.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram showing a spout supply device in which a spout preheating device according to the present invention is installed.
FIG. 2 is a plan view showing the preheating device.
FIG. 3 is a cross-sectional view showing the preheating device.
FIGS. 4A to 4C are operation explanatory views showing another embodiment. FIGS.
FIG. 5 is a front view showing a general pouch container.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Preheating apparatus 7a, 7b Guide plate 11 Heating duct 12 Duct body 12a Hot air introduction port 13 End plate 14 Support plate 14a Hot air introduction hole 15 Block 16 Connection tapping 17 Shielding plate 18 Support leg 19 Hot air tube HB Heating bar SB Sealing bar CB Cooling bar P Pouch container B Container body S Spout S1 Cap mounting part S2 Seal part

Claims (1)

パウチ容器における袋状の容器本体にヒートシールされるスパウトのシール部を予備的に加熱するスパウトの予備加熱装置であって、
スパウトのキャップ装着部に対して所定方向に常温のエアを吹き付けることで、スパウトを搬送するエア搬送手段を有するスパウト供給レーンに設置されており、
順次搬送される前記スパウトにおける、キャップ装着部を除くシール部のみを取り囲む加熱ダクトと、
前記加熱ダクト内に熱風を供給する熱風供給手段とを備え、
前記エア搬送手段が前記キャップ装着部に常温のエアを吹き付けることで、スパウトのキャップ装着部が加熱されないようにしつつ、前記加熱ダクトによって取り囲まれたスパウトのシール部のみが前記加熱ダクト内に導入される熱風によって局部的に加熱されるように構成されていることを特徴とするスパウトの予備加熱装置。A preheating device for a spout that preliminarily heats a seal portion of a spout that is heat sealed to a bag-like container body in a pouch container,
It is installed in a spout supply lane having air conveying means for conveying spout by blowing air at normal temperature in a predetermined direction against the cap mounting part of the spout,
A heating duct that surrounds only the seal part excluding the cap mounting part in the spout that is sequentially conveyed,
Hot air supply means for supplying hot air into the heating duct ,
Only the spout seal part surrounded by the heating duct is introduced into the heating duct while the air conveying means blows room temperature air onto the cap mounting part so that the cap mounting part of the spout is not heated. The spout preheating device is configured to be heated locally by hot air .
JP2003184044A 2003-06-27 2003-06-27 Spout preheating device Expired - Fee Related JP4190963B2 (en)

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JP5739149B2 (en) * 2010-12-10 2015-06-24 テルモ株式会社 Method for manufacturing medical bag and medical bag
ES2731935A1 (en) * 2018-05-18 2019-11-19 Georg Menshen Gmbh & Co Kg Welding of an intake nozzle (Machine-translation by Google Translate, not legally binding)
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