JPH037321A - 溶融押出式フイルム成形の膜厚制御装置 - Google Patents

溶融押出式フイルム成形の膜厚制御装置

Info

Publication number
JPH037321A
JPH037321A JP2075749A JP7574990A JPH037321A JP H037321 A JPH037321 A JP H037321A JP 2075749 A JP2075749 A JP 2075749A JP 7574990 A JP7574990 A JP 7574990A JP H037321 A JPH037321 A JP H037321A
Authority
JP
Japan
Prior art keywords
die
film
temperature
die lip
film forming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2075749A
Other languages
English (en)
Other versions
JPH0698671B2 (ja
Inventor
Sanemi Niimoto
新本　實美
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.)
TOMY KIKAI KOGYO KK
Original Assignee
TOMY KIKAI KOGYO KK
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26416901&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH037321(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by TOMY KIKAI KOGYO KK filed Critical TOMY KIKAI KOGYO KK
Priority to JP2075749A priority Critical patent/JPH0698671B2/ja
Priority to US07/501,157 priority patent/US5116211A/en
Priority to EP90400876A priority patent/EP0390696B1/en
Priority to DE69014953T priority patent/DE69014953T2/de
Publication of JPH037321A publication Critical patent/JPH037321A/ja
Publication of JPH0698671B2 publication Critical patent/JPH0698671B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—Cooling
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92114—Dimensions
    • B29C2948/92152—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92209—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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92361—Extrusion unit
    • B29C2948/92409—Die; Nozzle 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92428—Calibration, after-treatment, or 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (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、溶融押出式フィルム成形時において、フィル
ムの偏肉を除去して、均一な厚さとなるように制御した
り、フィルムの厚さを、局部的に自在に制御したりしう
るようにした、合成樹脂製フィルムの膜厚制御装置に関
する。
［従来の技術］ 溶融樹脂をダイリップから吐出させ、徐々に薄膜化する
フィルムの製造時において、フィルムの偏肉の除去する
ために、リップの温度分布を変化させて、熱的に制御す
ることは公知である。
その一つに、リップ周辺に多数のヒータを配設し、これ
ら各ヒータの発熱量を変化させて、樹脂への与熱量を局
部的に調整することにより、樹脂の流動性や伸展性を変
化させ、偏肉を調整するものがある。

Claims (6)

    【特許請求の範囲】
  1. （１）ダイリップ近傍に複数個設られた加熱手段の発熱
    量を個々に制御し、ダイリップ口縁の温度分布を変化さ
    せて、フィルムの肉厚を制御するようにしたフィルム成
    形用ダイにおいて、 加熱手段に近接して、ダイリップの近傍を冷却する冷却
    手段を、ダイに複数個設けたことを特徴とする溶融押出
    式フィルム成形の膜厚制御装置。
  2. （２）ダイリップ近傍に複数個設られた加熱手段の発熱
    量を個々に制御し、ダイリップ口縁の温度分布を変化さ
    せて、フィルムの肉厚を制御するようにしたフィルム成
    形用ダイにおいて、 ダイリップに接近して溝付穴を多数設けて、それに加熱
    手段を埋設し、さらに溝付穴の両端にダイの外側に通じ
    る通孔を設けて、その一方の通孔を冷却手段に連結する
    ことを特徴とする溶融押出式フィルム成形の膜厚制御装
    置。
  3. （３）冷却手段が、ダイリップ口縁の温度を計る温度測
    定手段に１対１で対応して、その温度測定手段によって
    制御されている請求項（１）または（２）に記載の溶融
    押出式フィルム成形の膜厚制御装置。
  4. （４）冷却手段が、気体を冷媒としてダイリップの近傍
    を冷却している請求項（１）乃至（３）項のいずれかに
    記載の溶融押出式フィルム成形の膜厚制御装置。
  5. （５）冷却手段が、液体を冷媒としてダイリップの近傍
    を冷却している請求項（１）乃至（３）項のいずれかに
    記載の溶融押出式フィルム成形の膜厚制御装置。
  6. （６）冷却手段が、気体と液体の混合物を冷媒としてダ
    イリップの近傍を冷却している請求項（１）乃至（３）
    項のいずれかに記載の溶融押出式フィルム成形の膜厚制
    御装置。
JP2075749A 1989-03-30 1990-03-27 溶融押出式フイルム成形の膜厚制御装置 Expired - Fee Related JPH0698671B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2075749A JPH0698671B2 (ja) 1989-03-30 1990-03-27 溶融押出式フイルム成形の膜厚制御装置
US07/501,157 US5116211A (en) 1989-03-30 1990-03-29 Apparatus for controlling thickness of film formed by melt extrusion
EP90400876A EP0390696B1 (en) 1989-03-30 1990-03-30 Apparatus for controlling thickness of film formed by melt extrusion
DE69014953T DE69014953T2 (de) 1989-03-30 1990-03-30 Vorrichtung zum Kontrollieren der Schichtdicke von durch Schmelzextrusion hergestellten Folien.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7661789 1989-03-30
JP1-76617 1989-03-30
JP2075749A JPH0698671B2 (ja) 1989-03-30 1990-03-27 溶融押出式フイルム成形の膜厚制御装置

Publications (2)

Publication Number Publication Date
JPH037321A true JPH037321A (ja) 1991-01-14
JPH0698671B2 JPH0698671B2 (ja) 1994-12-07

Family

ID=26416901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2075749A Expired - Fee Related JPH0698671B2 (ja) 1989-03-30 1990-03-27 溶融押出式フイルム成形の膜厚制御装置

Country Status (4)

Country Link
US (1) US5116211A (ja)
EP (1) EP0390696B1 (ja)
JP (1) JPH0698671B2 (ja)
DE (1) DE69014953T2 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5586334A (en) * 1991-06-10 1996-12-17 Matsushita Electric Industrial Co., Ltd. Apparatus and method for suspending and resuming software on a computer
JP2010030241A (ja) * 2008-07-31 2010-02-12 Omron Corp 温度センサの取付け構造
CN104589629A (zh) * 2014-11-29 2015-05-06 东电化日东（上海）电能源有限公司 用于打乱挤出的薄膜铸片的厚度分布的方法和挤出模头
JP2024036815A (ja) * 2022-09-06 2024-03-18 株式会社城北精工所 押出成形用ダイ

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US5462423A (en) * 1993-04-13 1995-10-31 Sencorp Systems, Inc. Apparatus for non-mechanical die lip temperature adjustment in an extruder
US5622732A (en) * 1993-04-13 1997-04-22 Sencorp Systems Inc. Foam sheet extrusion die apparatus, and system with adjustable choke area
US5468134A (en) * 1993-12-01 1995-11-21 Cree; Robert E. Cooling and thickness control for extruded products
US5466402A (en) * 1994-05-13 1995-11-14 Corma Inc. Gap adjustment of a plastic flow channel in a plastic part forming device
US5674440A (en) * 1995-05-05 1997-10-07 Graham Engineering Corporation Die head with adjustable mandrel and method
DE20022174U1 (de) * 1999-09-09 2001-05-17 Kdesign GmbH, 51371 Leverkusen Vorrichtung zur Steuerung und Regelung des Dickenprofils bei der Blasfolienherstellung
ITMI20011902A1 (it) * 2001-09-12 2003-03-12 Electronic Systems Spa Testa per l'estrusione di un film tubolare e metodo per regolare il profilo di spessore di un film tubolare estreso
DE10242175B4 (de) * 2002-09-10 2005-01-05 Windmöller & Hölscher Kg Vorrichtung und Verfahren zur Herstellung selbstreinigender Folien im Blasverfahren
US7160094B2 (en) * 2003-06-03 2007-01-09 Avery Dennison Corporation Die assembly
US20050206031A1 (en) * 2004-03-17 2005-09-22 American Maplan Corporation Extrusion die
US8414284B2 (en) * 2011-01-04 2013-04-09 The Goodyear Tire & Rubber Company Extruder and roller-die combination
US10770202B1 (en) * 2013-02-21 2020-09-08 Southwire Company, Llc Striped cable and process and apparatus for making same
CN103862666B (zh) * 2014-03-31 2016-02-10 浙江博尔塑胶有限公司 提高产品横向膜厚均匀性的吹膜模头
CN105818361A (zh) * 2016-05-20 2016-08-03 合肥徽宝包装有限公司 一种吹膜头
CN106003681A (zh) * 2016-05-20 2016-10-12 合肥徽宝包装有限公司 一种塑料膜吹气装置
CN111002558A (zh) * 2019-12-26 2020-04-14 江苏亚安新材料科技有限公司 一种聚酰亚胺生产用挤出装置及其使用方法
JP7393281B2 (ja) * 2020-03-31 2023-12-06 住友重機械工業株式会社 インフレーション成形装置

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JPS5759050A (en) * 1980-09-24 1982-04-09 Yasuo Kobayashi Suction gas activation promotion device
JPS61132320A (ja) * 1984-12-03 1986-06-19 Toray Ind Inc シ−ト状物押出し用ダイ
JPS62169615A (ja) * 1986-01-22 1987-07-25 Toray Ind Inc シ−ト状物押出し用ダイ

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5759050A (en) * 1980-09-24 1982-04-09 Yasuo Kobayashi Suction gas activation promotion device
JPS61132320A (ja) * 1984-12-03 1986-06-19 Toray Ind Inc シ−ト状物押出し用ダイ
JPS62169615A (ja) * 1986-01-22 1987-07-25 Toray Ind Inc シ−ト状物押出し用ダイ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5586334A (en) * 1991-06-10 1996-12-17 Matsushita Electric Industrial Co., Ltd. Apparatus and method for suspending and resuming software on a computer
JP2010030241A (ja) * 2008-07-31 2010-02-12 Omron Corp 温度センサの取付け構造
CN104589629A (zh) * 2014-11-29 2015-05-06 东电化日东（上海）电能源有限公司 用于打乱挤出的薄膜铸片的厚度分布的方法和挤出模头
JP2024036815A (ja) * 2022-09-06 2024-03-18 株式会社城北精工所 押出成形用ダイ

Also Published As

Publication number Publication date
EP0390696A2 (en) 1990-10-03
JPH0698671B2 (ja) 1994-12-07
DE69014953D1 (de) 1995-01-26
DE69014953T2 (de) 1995-06-14
EP0390696A3 (en) 1991-04-17
EP0390696B1 (en) 1994-12-14
US5116211A (en) 1992-05-26

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