JPS57152921A - Multi-layer rotating circular die - Google Patents

Multi-layer rotating circular die

Info

Publication number
JPS57152921A
JPS57152921A JP56039071A JP3907181A JPS57152921A JP S57152921 A JPS57152921 A JP S57152921A JP 56039071 A JP56039071 A JP 56039071A JP 3907181 A JP3907181 A JP 3907181A JP S57152921 A JPS57152921 A JP S57152921A
Authority
JP
Japan
Prior art keywords
passages
resin
stepped cylindrical
section
shaft
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
JP56039071A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6241453B2 (cs
Inventor
Kenkichi Murakami
Yoshio Kimura
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.)
PLAST KOGAKU KENKYUSHO KK
Plastic Kogaku Kenkyusho KK
Original Assignee
PLAST KOGAKU KENKYUSHO KK
Plastic Kogaku Kenkyusho 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
Application filed by PLAST KOGAKU KENKYUSHO KK, Plastic Kogaku Kenkyusho KK filed Critical PLAST KOGAKU KENKYUSHO KK
Priority to JP56039071A priority Critical patent/JPS57152921A/ja
Publication of JPS57152921A publication Critical patent/JPS57152921A/ja
Publication of JPS6241453B2 publication Critical patent/JPS6241453B2/ja
Granted 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
    • B29C48/30—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
    • B29C48/03—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
    • B29C48/03—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
    • B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP56039071A 1981-03-18 1981-03-18 Multi-layer rotating circular die Granted JPS57152921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56039071A JPS57152921A (en) 1981-03-18 1981-03-18 Multi-layer rotating circular die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56039071A JPS57152921A (en) 1981-03-18 1981-03-18 Multi-layer rotating circular die

Publications (2)

Publication Number Publication Date
JPS57152921A true JPS57152921A (en) 1982-09-21
JPS6241453B2 JPS6241453B2 (cs) 1987-09-03

Family

ID=12542881

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56039071A Granted JPS57152921A (en) 1981-03-18 1981-03-18 Multi-layer rotating circular die

Country Status (1)

Country Link
JP (1) JPS57152921A (cs)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7131829B2 (en) 2004-07-02 2006-11-07 Yamaguchi Mfg. Works, Ltd. Spiral die assembly
DE102007050694A1 (de) * 2007-10-22 2009-04-23 Ulrich BÜTTEL Blaskopf für eine Blasfolienextrusionsanlage
JP4750338B2 (ja) * 2000-03-17 2011-08-17 トーアヴェステン・ヴェント・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 可燃性塵物用の収容サイロ装置
JP6039845B1 (ja) * 2016-03-30 2016-12-07 株式会社湘南貿易 インフレーションフィルム成形用ダイ
EP2734353B1 (en) * 2011-07-20 2019-08-21 Plastika Kritis S.A. Concentric co - extrusion die and a method of extruding a multilayer thermoplastic film

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS538342A (en) * 1976-07-12 1978-01-25 Osaka Denki Co Ltd Flash welding machine
JPS57144730A (en) * 1981-03-04 1982-09-07 Plast Kogaku Kenkyusho:Kk Circular die attaching apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS538342A (en) * 1976-07-12 1978-01-25 Osaka Denki Co Ltd Flash welding machine
JPS57144730A (en) * 1981-03-04 1982-09-07 Plast Kogaku Kenkyusho:Kk Circular die attaching apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4750338B2 (ja) * 2000-03-17 2011-08-17 トーアヴェステン・ヴェント・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 可燃性塵物用の収容サイロ装置
US7131829B2 (en) 2004-07-02 2006-11-07 Yamaguchi Mfg. Works, Ltd. Spiral die assembly
DE102007050694A1 (de) * 2007-10-22 2009-04-23 Ulrich BÜTTEL Blaskopf für eine Blasfolienextrusionsanlage
DE102007050694B4 (de) * 2007-10-22 2012-05-10 Ulrich Büttel Blaskopf für eine Blasfolienextrusionsanlage
EP2734353B1 (en) * 2011-07-20 2019-08-21 Plastika Kritis S.A. Concentric co - extrusion die and a method of extruding a multilayer thermoplastic film
JP6039845B1 (ja) * 2016-03-30 2016-12-07 株式会社湘南貿易 インフレーションフィルム成形用ダイ

Also Published As

Publication number Publication date
JPS6241453B2 (cs) 1987-09-03

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