JPH0374908U - - Google Patents

Info

Publication number
JPH0374908U
JPH0374908U JP1989137824U JP13782489U JPH0374908U JP H0374908 U JPH0374908 U JP H0374908U JP 1989137824 U JP1989137824 U JP 1989137824U JP 13782489 U JP13782489 U JP 13782489U JP H0374908 U JPH0374908 U JP H0374908U
Authority
JP
Japan
Prior art keywords
core
head body
passage
slit
annular passage
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
JP1989137824U
Other languages
English (en)
Other versions
JPH0632339Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989137824U priority Critical patent/JPH0632339Y2/ja
Priority to KR1019900015651A priority patent/KR910009414A/ko
Priority to CN90108628A priority patent/CN1052276A/zh
Priority to EP90312759A priority patent/EP0430596A1/en
Publication of JPH0374908U publication Critical patent/JPH0374908U/ja
Application granted granted Critical
Publication of JPH0632339Y2 publication Critical patent/JPH0632339Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C48/03—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
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/336—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die
    • B29C48/3366—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging one by one down streams in the die using a die with concentric parts, e.g. rings, cylinders
    • 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
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
    • 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
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例における各通路とス
リツトとの接続部の拡大断面図、第２図は第１図
の弁体の他の例を示す断面図、第３図は本考案の
他の実施例における第１図と同様の図、第４図は
本考案の更に他の実施例における第１図と同様の
図、第５図は第４図に用いる弾性体を破断した斜
視図、第６図は従来例の一部破断した全体側面図
、第７図は第６図の下方に設けられた一対の型を
示す側面図である。 図中１……ヘツド本体、２……コア、４……マ
ンドレル部、６……スリツト、７〜１１……リン
グアキユムレータ、１２〜１６……通路、２５〜
２７……材料、４７……弁を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. ヘツド本体の下端との間に材料押出し用のスリ
    ツトを形成するマンドレル部を下端に備えたコア
    を、前記ヘツド本体に配設し、ヘツド本体内部に
    前記コアと同心のリングアキユムレータを多重に
    形成し、各リングアキユムレータの下端に前記ス
    リツトと接続する環状の通路を形成し、各通路の
    うち少なくとも最も流動性の高い材料が通る通路
    に材料の圧力に応じて該通路を開閉する環状の弁
    を設けたことを特徴とする多層ブロー成形機にお
    けるパリソンヘツド。
JP1989137824U 1989-11-28 1989-11-28 多層ブロー成形機におけるパリソンヘッド Expired - Lifetime JPH0632339Y2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1989137824U JPH0632339Y2 (ja) 1989-11-28 1989-11-28 多層ブロー成形機におけるパリソンヘッド
KR1019900015651A KR910009414A (ko) 1989-11-28 1990-09-29 다층 취입 성형기에 있는 파리손 헤드
CN90108628A CN1052276A (zh) 1989-11-28 1990-10-22 多层吹塑成型机的型坯头
EP90312759A EP0430596A1 (en) 1989-11-28 1990-11-23 Parison head for use in a multi-layer blow moulding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989137824U JPH0632339Y2 (ja) 1989-11-28 1989-11-28 多層ブロー成形機におけるパリソンヘッド

Publications (2)

Publication Number Publication Date
JPH0374908U true JPH0374908U (ja) 1991-07-26
JPH0632339Y2 JPH0632339Y2 (ja) 1994-08-24

Family

ID=15207706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989137824U Expired - Lifetime JPH0632339Y2 (ja) 1989-11-28 1989-11-28 多層ブロー成形機におけるパリソンヘッド

Country Status (4)

Country Link
EP (1) EP0430596A1 (ja)
JP (1) JPH0632339Y2 (ja)
KR (1) KR910009414A (ja)
CN (1) CN1052276A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004059077A (ja) * 2002-07-30 2004-02-26 Yoshino Kogyosho Co Ltd ブロー成形容器とその成形方法
JP2016007720A (ja) * 2014-06-23 2016-01-18 株式会社タハラ ダイヘッドおよびそれを具備した成形機

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386132A (en) * 1965-10-22 1968-06-04 Hoover Ball & Bearing Co Extrusion apparatus
US4056344A (en) * 1970-09-01 1977-11-01 Lemelson Jerome H Apparatus for producing composite extrusions
GB1456198A (en) * 1972-11-29 1976-11-17 Ici Ltd Reinforced containers
FR2299957B1 (fr) * 1975-02-28 1978-12-08 Ishikawajima Harima Heavy Ind Procede et machine de moulage par soufflage
FR2332121A1 (fr) * 1975-11-18 1977-06-17 Raychem Aps Extrudeuse a filiere multiple
JPS53120773A (en) * 1977-03-31 1978-10-21 Ikegai Iron Works Ltd Plastic multiilayer extrusion
DE3439285C2 (de) * 1984-02-13 1994-04-14 Ex Cell O Corp Verfahren zum Herstellen eines Hohlkörpers aus thermoplastischem Kunststoff und Vorrichtung zum Durchführen des Verfahrens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004059077A (ja) * 2002-07-30 2004-02-26 Yoshino Kogyosho Co Ltd ブロー成形容器とその成形方法
JP2016007720A (ja) * 2014-06-23 2016-01-18 株式会社タハラ ダイヘッドおよびそれを具備した成形機

Also Published As

Publication number Publication date
CN1052276A (zh) 1991-06-19
JPH0632339Y2 (ja) 1994-08-24
EP0430596A1 (en) 1991-06-05
KR910009414A (ko) 1991-06-28

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