JP2655241B2 - 柔軟性円筒チューブの端部熱風加熱装置 - Google Patents

柔軟性円筒チューブの端部熱風加熱装置

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Publication number
JP2655241B2
JP2655241B2 JP6166091A JP16609194A JP2655241B2 JP 2655241 B2 JP2655241 B2 JP 2655241B2 JP 6166091 A JP6166091 A JP 6166091A JP 16609194 A JP16609194 A JP 16609194A JP 2655241 B2 JP2655241 B2 JP 2655241B2
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JP
Japan
Prior art keywords
hot air
cylindrical tube
flexible cylindrical
nozzle
tube
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.)
Expired - Fee Related
Application number
JP6166091A
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English (en)
Other versions
JPH0811809A (ja
Inventor
二夫 伊藤
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.)
JEE EMU SEISAKUSHO KK
Original Assignee
JEE EMU SEISAKUSHO KK
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Priority to JP6166091A priority Critical patent/JP2655241B2/ja
Publication of JPH0811809A publication Critical patent/JPH0811809A/ja
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10Joining 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
    • B29C65/103Joining 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 direct heating both surfaces to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/03After-treatments in the joint area
    • B29C66/034Thermal after-treatments
    • B29C66/0342Cooling, e.g. transporting through welding and cooling zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint 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
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General 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
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • B29C66/431Joining the articles to themselves
    • B29C66/4312Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B29C66/43123Closing the ends of squeeze tubes, e.g. for toothpaste or cosmetics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/81General 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
    • B29C66/814General 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
    • B29C66/8141General 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
    • B29C66/81411General 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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81413General 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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being non-symmetrical
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/81General 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
    • B29C66/814General 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
    • B29C66/8141General 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
    • B29C66/81411General 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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415General 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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81419General 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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and flat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/81General 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
    • B29C66/814General 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
    • B29C66/8141General 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
    • B29C66/81411General 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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81425General 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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being stepped, e.g. comprising a shoulder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/81General 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
    • B29C66/818General 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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181General 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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811General 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 cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832Reciprocating joining or pressing tools
    • B29C66/8322Joining or pressing tools reciprocating along one axis
    • B29C66/83221Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/26Hot fluid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30Electrical means
    • B29C65/305Electrical means involving the use of cartridge heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles
    • B29L2023/20Flexible squeeze tubes, e.g. for cosmetics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Closing Of Containers (AREA)
  • Tubes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

【発明の詳細な説明】
【0001】
【産業上の利用分野】本発明は、クリーム状、あるいは
混練状の食品や薬品・化粧品などを収容する柔軟性円筒
チューブを製造する際、このチューブの端部を加熱し接
着せしめるための柔軟性円筒チューブの端部熱風加熱装
置に関するものである。
【0002】
【従来技術】柔軟性円筒チューブの端部を加熱する装置
として、従来、特開昭59−162018号公報あるい
は米国特許第3,140,151号明細書のようなもの
が公知である
【0003】
【発明が解決しようとする課題】ところが、上記従来技
術において、前者の場合は柔軟性円筒チューブの端部内
側のみしか加熱することができないため、加熱効率が悪
いという問題点があったとともに、熱風を収集するため
のハウジングをノズルの上方部に設け、加熱後の熱風を
前記ハウジングに集め、これを導管を経て再び前記ノズ
ルへ復帰するようにしていたため、構造的に複雑となる
ばかりでなく、前記ハウジングおよび導管部が熱風によ
り加熱されて作業に危険をもたらす惧れがあり、作業を
高能率に行うことができないという問題点があったもの
であり、また後者の場合は加熱ガス噴出管の外周に設け
た熱風案内フードにより、柔軟性円筒チューブの内、外
端部を熱風で加熱することはできるが前記熱風を直ちに
外部に排出することなくこれさらに加熱に利用して装
置全体の熱効率をより一層高めることができる手段およ
び前記加熱後の熱風を加熱装置に悪影響を与えることな
く、低温(略常温)に冷却して外部へ排出し得る手段が
全くなく、そのため装置全体として加熱効率の充分高い
ものが得られないとともに作業を高能率に行うことがで
きないという問題点があった
【0004】
【課題を解決するための手段】本発明は、上記課題を解
決することを目的とし、熱風ノズルの先端部から熱風が
噴出され、この熱風により柔軟性円筒チューブの端部が
加熱されるとともに前記熱風を冷却するための環状冷却
装置を備えた柔軟性円筒チューブの端部熱風加熱装置に
おいて、前記柔軟性円筒チューブの端部内側を加熱する
ためのスリット状熱風噴出部を前記熱風ノズルの先端部
に設けるとともに前記柔軟性円筒チューブの端部外側も
加熱し得るよう前記熱風を柔軟性円筒チューブの端部内
側から外側に転向せしめる下端開口部および前記熱風の
一部を外側方に排出し得る所要数の排気用小孔を胴部周
面に有する案内筒を前記スリット状熱風噴出部の外周部
に所要の間隙を設けて位置せしめ、かつ前記案内筒の上
端部を前記熱風ノズルに一体に取付け、さらに前記案内
筒の下端開口部および排出用小孔から排出する熱風を冷
却するための環状冷却装置および冷却後の温風を排出す
るための排出孔を胴部周面に所要数設けた外套体を、前
記熱風ノズルのスリット状熱風噴出部および案内筒の外
周を覆う如く前記熱風ノズルに一体に設けたことを特徴
とするものである。
【0005】
【作用】図3示の状態において、熱風加熱装置Aにおけ
る熱風ノズル1のスリット状熱風噴出部2から噴出され
る熱風で先ず柔軟性円筒チューブaの開口端a1の内側
部a2が加熱される。そして前記内側部a2を加熱した
熱風は、同図の矢印に示すように前記内側部a2に沿っ
て上昇し、案内筒3によって開口端a1の外側部a3に
転向して前記柔軟性円筒チューブaの外側部a3をも加
熱する。さらに加熱を終了した熱風は前記案内筒3の胴
部周面に設けられた排出用小孔5および下端開口部7か
ら前記案内筒3外へ排出され、前記案内筒3の外周を覆
うように設けられた外套体6の環状冷却装置8によって
冷却された後、前記外套体6の胴部周面に設けられた排
出孔9から外部へ排出されるものである。
【0006】また加熱終了後の柔軟性円筒チューブaは
前記熱風ノズル1の下端から取外され、後段の押圧封緘
装置Bへ送られ、加熱された開口端a1を図4示のよう
に一対の押圧挟持部15,15により両側から押圧挟持
され、一体に接着密封され、さらに後段の押圧成形装置
Cへ送られ図5示のように接着密封部を一対の押圧成形
部18,18により押圧挟持され、完全密封状態に成形
するものである。
【0007】
【実施例】図1乃至図は本発明の一実施例を示し、図
1は熱風加熱装置の正面図、図2は同一部縦断側面図、
図3は熱風ノズルによる柔軟性円筒チューブの加熱状態
を示す一部拡大断面図、図4は押圧封緘装置の一部拡大
断面図、図5は押圧成形装置の一部拡大断面図、図6〜
7は熱風加熱装置、押圧封緘装置、押圧成形装置の配置
関係を示す概略図、図8は柔軟性円筒チューブの斜視図
である。
【0008】図1〜3において、1は熱風加熱装置Aに
おける熱風ノズルであって、図2示のように先端部を横
方向(外側方)に向け熱風を噴出するスリット状熱風噴
出部2が設けられている。3は前記スリット状熱風噴出
部2の外周部に所要の間隙4をあけて設けられた案内筒
であって、その上端部は前記熱風ノズル1と一体に取付
けられているとともに胴部周面に熱風の一部を外側方へ
排出し得る所要数の排出用小孔5が設けられている。6
は前記案内筒3の下端開口部7および排出用小孔5から
排出された熱風を冷却するための周知の環状冷却装置8
と冷却後の温風を排出するための排出孔9を胴部周面に
所要数設けた外套体であって、前記熱風ノズル1のスリ
ット状熱風噴出部2および案内筒3の外周を覆うよう
に、その上端部を前記熱風ノズル1に一体に取付けられ
ている。6aは前記外套体6の下端部に設けたガイド部
であって、柔軟性円筒チューブaの案内筒3内への挿入
を容易となすものである。
【0009】なお、前記熱風ノズル1の熱風は前記熱風
ノズル1内に収容された発熱体(図示せず)によって加
熱されたもの、その他外部からの適宜の手段によるもの
等でもよく、また熱風ノズル1に対する案内筒3および
外套体6の取付手段は、周知のネジその他の適宜取付手
段により着脱自在に取付けられているものである。さら
に前記環状冷却装置8は冷却水、冷却液、冷却ガス等の
周知の冷却媒体の流通管を備えたもので、前記外套体6
の下端内壁部に着脱自在に取付けられたものである。1
0は機枠であって、該機枠10に前記熱風ノズル1の取
付体11がネジ12によって取付けられているとともに
該取付体11の案内杆13に前記熱風ノズル1の取付部
14が上下動自在に取付けられている。
【0010】図4において、15,15は押圧封緘装置
Bにおける一対の押圧挟持部であって、加熱後の柔軟性
円筒チューブaの開口端a1を両側から押圧挟持し、一
体に接着密封するものである。16,16、17,17
は前記押圧挟持部15,15に設けられた加熱媒体およ
び冷却媒体であって、前記加熱媒体16,16は例えば
周知の加熱ヒーター、加熱ガスその他適宜のものでよ
く、また冷却媒体17,17も周知の冷却水、冷却液、
冷却ガス等を流通管内に通すもの等適宜のものでよい。
【0011】図5において、18,18は押圧成形装置
Cにおける押圧成形部であって、前記接着密封された後
の柔軟性円筒チューブaの開口端a1を両側から押圧挟
持し、完全密封状態に成形するものである。19,19
は前記押圧成形部18,18に設けられた冷却媒体であ
って、周知の冷却水、冷却液、冷却ガス等適宜のもので
よい。なお、前記押圧挟持部15,15および押圧成形
部18,18の駆動は図示してない周知の駆動装置によ
り前記熱風加熱装置Aの作動に同期して柔軟性円筒チュ
ーブaの開口端a1に対する押圧封緘動作および押圧成
形動作を順次行うものである。
【0012】図6〜7において、21は柔軟性円筒チュ
ーブaを熱風加熱装置A、押圧封緘装置B、押圧成形装
置Cへ順次移送するための周知のエンドレスコンベア、
22は該エンドレスコンベア22に取付けたチューブホ
ルダーであって、これらは、いずれも図示しない周知の
駆動装置により前記柔軟性円筒チューブaを各チューブ
ホルダー22内に保持して同図の矢印方向に間欠移動
し、前記各装置A,B,C部において図示しない押上げ
装置にて前記チューブホルダー22内の柔軟性円筒チュ
ーブaを上方へ押上げ、順次所定の動作を受けさせるよ
うに構成されている。
【0013】
【発明の効果】本発明によれば、熱風ノズル先端部のス
リット状熱風噴出部から熱風が噴出され、この熱風によ
り柔軟性円筒チューブの端部が加熱されるとともに前記
熱風を冷却するための環状冷却装置を備えた外套体を前
記熱風ノズルの外周に設けてなる柔軟性円筒チューブの
端部熱風加熱装置において、前記熱風を柔軟性円筒チュ
ーブの端部内側から外側に転向せしめる下端開口部およ
び前記熱風の一部を外側方に排出し得る所要数の排気用
小孔を胴部周面に設けた案内筒を前記スリット状熱風噴
出部の外周部に所要の間隙を設けて位置せしめ、かつ前
記案内筒の上端部を前記熱風ノズルに一体に取付け、さ
らに前記案内筒の下端開口部および排出用小孔から排出
する熱風を冷却するための環状冷却装置および冷却後の
温風を排出するための排出孔を胴部周面に所要数設けた
外套体を、前記熱風ノズルのスリット状熱風噴出部およ
び案内筒の外周を覆う如く前記熱風ノズルに一体に設け
たものであるから、熱風により柔軟性円筒チューブの端
部の内、外側部を充分に加熱できることは勿論のこと、
特に本発明においては前記柔軟性円筒チューブの端部の
内側および外側を加熱する熱風を案内するための案内筒
の胴部周面に熱風の一部を側方に排出し得る排出用小孔
を設けることによって、前記案内筒の下端開口部から外
部に排出される熱風圧を柔らげ、前記案内筒の下端開口
部に面して外套体内に設けた環状冷却装置または前記外
套体の下端部に設けたガイド部等への悪 影響(損傷等)
を防止し得るとともに前記環状冷却装置の機能を低下す
ることなく熱風を短時にかつ充分低温に冷却し、さらに
前記案内筒と外套体の間において外気と混ぜ合わせた
後、前記外套体の胴部周面に設けた排出孔より外部へ排
出することができるので、前記熱風の排出による作業上
の危険を全く防止し得、また従来装置のように高温の熱
風を収集するためのハウジングを設ける必要もなく、
風加熱装置全体の構造を簡略化できるとともに外套体に
従来装置のような突設された排出口もなく、作業を高能
率に行い得る等の効果がある。
【図面の簡単な説明】
【図1】本発明の熱風加熱装置における熱風ノズルの正
面図である。
【図2】同一部縦断側面図である。
【図3】本発明の熱風ノズルによる柔軟性円筒チューブ
の加熱状態を示す一部拡大断面図である。
【図4】圧封緘装置の一部拡大断面図である。
【図5】圧成形装置の一部拡大断面図である。
【図6】風加熱装置、押圧封緘装置、押圧成形装置の
配置関係を示す概略図である。
【図7】熱風加熱装置、押圧封緘装置、押圧成形装置
の配置関係を示す概略図である。
【図8】本発明における柔軟性円筒チューブの斜視図で
ある。
【符号の説明】
1 熱風ノズル 2 スリット状熱風噴出部 3 案内筒 4 間隙 5 排出用小孔 6 外套体 6a ガイド部 7 下端開口部 8 環状冷却装置 9 排出孔 10 機枠 11 取付体 12 ネジ 13 案内杆 14 取付部 15,15 押圧挟持部 16,16 加熱媒体 17,17 冷却媒体 18,18 押圧成形部 19,19 冷却媒体 21 エンドレスコンベア 22 チューブホルダー A 熱風加熱装置 B 押圧封緘装置 C 押圧成形装置 a 柔軟性円筒チューブ a1 開口端 a2 内側部 a3 外側部

Claims (1)

    (57)【特許請求の範囲】
  1. 【請求項1】 熱風ノズルの先端部から熱風が噴出さ
    れ、この熱風により柔軟性円筒チューブの端部が加熱さ
    れるとともに前記熱風を冷却するための環状冷却装置を
    備えた柔軟性円筒チューブの端部熱風加熱装置におい
    て、前記柔軟性円筒チューブの端部内側を加熱するため
    のスリット状熱風噴出部を前記熱風ノズルの先端部に設
    けるとともに前記柔軟性円筒チューブの端部外側も加熱
    し得るよう前記熱風を柔軟性円筒チューブの端部内側か
    ら外側に転向せしめる下端開口部および前記熱風の一部
    を外側方に排出し得る所要数の排気用小孔を胴部周面に
    有する案内筒を前記スリット状熱風噴出部の外周部に所
    要の間隙を設けて位置せしめ、かつ前記案内筒の上端部
    を前記熱風ノズルに一体に取付け、さらに前記案内筒の
    下端開口部および排出用小孔から排出する熱風を冷却す
    るための環状冷却装置および冷却後の温風を排出するた
    めの排出孔を胴部周面に所要数設けた外套体を、前記熱
    風ノズルのスリット状熱風噴出部および案内筒の外周を
    覆う如く前記熱風ノズルに一体に設けたことを特徴とす
    柔軟性円筒チューブの端部熱風加熱装置。
JP6166091A 1994-06-24 1994-06-24 柔軟性円筒チューブの端部熱風加熱装置 Expired - Fee Related JP2655241B2 (ja)

Priority Applications (1)

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JP6166091A JP2655241B2 (ja) 1994-06-24 1994-06-24 柔軟性円筒チューブの端部熱風加熱装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6166091A JP2655241B2 (ja) 1994-06-24 1994-06-24 柔軟性円筒チューブの端部熱風加熱装置

Publications (2)

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JPH0811809A JPH0811809A (ja) 1996-01-16
JP2655241B2 true JP2655241B2 (ja) 1997-09-17

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8300277L (sv) * 1983-01-20 1984-07-21 Norden Packaging Mach Forseglingsanordning
JPH0780485B2 (ja) * 1985-12-19 1995-08-30 株式会社吉野工業所 チユ−ブ容器底部のシ−ル方法
JPH0646803Y2 (ja) * 1989-04-19 1994-11-30 株式会社ジェーエム製作所 柔軟性円筒チューブの端部熱風加熱装置

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