JPS53129251A - Multilayer die for sheet forming - Google Patents

Multilayer die for sheet forming

Info

Publication number
JPS53129251A
JPS53129251A JP4473477A JP4473477A JPS53129251A JP S53129251 A JPS53129251 A JP S53129251A JP 4473477 A JP4473477 A JP 4473477A JP 4473477 A JP4473477 A JP 4473477A JP S53129251 A JPS53129251 A JP S53129251A
Authority
JP
Japan
Prior art keywords
sheet forming
multilayer die
multilayer
die
sheet
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.)
Pending
Application number
JP4473477A
Other languages
Japanese (ja)
Inventor
Fumio Watanabe
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.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine Co Ltd
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 Toshiba Machine Co Ltd filed Critical Toshiba Machine Co Ltd
Priority to JP4473477A priority Critical patent/JPS53129251A/en
Publication of JPS53129251A publication Critical patent/JPS53129251A/en
Pending 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
    • B29C48/92—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
    • B29C2948/92609—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
JP4473477A 1977-04-19 1977-04-19 Multilayer die for sheet forming Pending JPS53129251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4473477A JPS53129251A (en) 1977-04-19 1977-04-19 Multilayer die for sheet forming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4473477A JPS53129251A (en) 1977-04-19 1977-04-19 Multilayer die for sheet forming

Publications (1)

Publication Number Publication Date
JPS53129251A true JPS53129251A (en) 1978-11-11

Family

ID=12699667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4473477A Pending JPS53129251A (en) 1977-04-19 1977-04-19 Multilayer die for sheet forming

Country Status (1)

Country Link
JP (1) JPS53129251A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565750A (en) * 1979-06-27 1981-01-21 Toyo Seikan Kaisha Ltd Multilayer extrusion of plastic and multilayer extruding die
US5389324A (en) * 1993-06-07 1995-02-14 The Dow Chemical Company Layer thickness gradient control in multilayer polymeric bodies
WO2008004329A1 (en) * 2006-07-06 2008-01-10 Pla Giken Co., Ltd. Extrusion forming apparatus for resin-made multilayer pipe
US7626558B2 (en) 2002-10-23 2009-12-01 Sony Corporation Wideband antenna

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4977962A (en) * 1972-11-29 1974-07-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4977962A (en) * 1972-11-29 1974-07-26

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS565750A (en) * 1979-06-27 1981-01-21 Toyo Seikan Kaisha Ltd Multilayer extrusion of plastic and multilayer extruding die
US5389324A (en) * 1993-06-07 1995-02-14 The Dow Chemical Company Layer thickness gradient control in multilayer polymeric bodies
US7626558B2 (en) 2002-10-23 2009-12-01 Sony Corporation Wideband antenna
WO2008004329A1 (en) * 2006-07-06 2008-01-10 Pla Giken Co., Ltd. Extrusion forming apparatus for resin-made multilayer pipe

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