JPS5242556A - Method of automatically controlling tube thickness in extrusion molding of tube - Google Patents

Method of automatically controlling tube thickness in extrusion molding of tube

Info

Publication number
JPS5242556A
JPS5242556A JP50118569A JP11856975A JPS5242556A JP S5242556 A JPS5242556 A JP S5242556A JP 50118569 A JP50118569 A JP 50118569A JP 11856975 A JP11856975 A JP 11856975A JP S5242556 A JPS5242556 A JP S5242556A
Authority
JP
Japan
Prior art keywords
tube
extrusion molding
automatically controlling
thickness
tube thickness
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
JP50118569A
Other languages
Japanese (ja)
Inventor
Takehiro Itou
Tatsuo Saeki
Hideki Kajiwara
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP50118569A priority Critical patent/JPS5242556A/en
Publication of JPS5242556A publication Critical patent/JPS5242556A/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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B29C48/327—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections with centering means
    • 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
    • B29C48/25—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Of Metal (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP50118569A 1975-09-30 1975-09-30 Method of automatically controlling tube thickness in extrusion molding of tube Pending JPS5242556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50118569A JPS5242556A (en) 1975-09-30 1975-09-30 Method of automatically controlling tube thickness in extrusion molding of tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50118569A JPS5242556A (en) 1975-09-30 1975-09-30 Method of automatically controlling tube thickness in extrusion molding of tube

Publications (1)

Publication Number Publication Date
JPS5242556A true JPS5242556A (en) 1977-04-02

Family

ID=14739832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50118569A Pending JPS5242556A (en) 1975-09-30 1975-09-30 Method of automatically controlling tube thickness in extrusion molding of tube

Country Status (1)

Country Link
JP (1) JPS5242556A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5514220A (en) * 1978-07-15 1980-01-31 Matsushita Electric Works Ltd Metallic mold for extruder
JPS59167235A (en) * 1983-03-07 1984-09-20 イ−・アイ・デユポン・ド・ネモア−ス・アンド・コンパニ− Extrusion die
JPH01128821A (en) * 1987-11-16 1989-05-22 Fujikura Ltd Method for controlling wall thickness of plastic tube
US5466402A (en) * 1994-05-13 1995-11-14 Corma Inc. Gap adjustment of a plastic flow channel in a plastic part forming device
JP2007203617A (en) * 2006-02-02 2007-08-16 Seiko Epson Corp Mold and manufacturing method
JP2017512674A (en) * 2014-03-14 2017-05-25 クラウスマッファイ ベルシュトルフ ゲゼルシャフト ミット ベシュレンクテル ハフツングＫｒａｕｓｓＭａｆｆｅｉ Ｂｅｒｓｔｏｒｆｆ ＧｍｂＨ Tube extrusion head and tube manufacturing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4960356A (en) * 1971-10-15 1974-06-12
JPS4981464A (en) * 1972-11-18 1974-08-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4960356A (en) * 1971-10-15 1974-06-12
JPS4981464A (en) * 1972-11-18 1974-08-06

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5514220A (en) * 1978-07-15 1980-01-31 Matsushita Electric Works Ltd Metallic mold for extruder
JPS59167235A (en) * 1983-03-07 1984-09-20 イ−・アイ・デユポン・ド・ネモア−ス・アンド・コンパニ− Extrusion die
JPH01128821A (en) * 1987-11-16 1989-05-22 Fujikura Ltd Method for controlling wall thickness of plastic tube
US5466402A (en) * 1994-05-13 1995-11-14 Corma Inc. Gap adjustment of a plastic flow channel in a plastic part forming device
JP2007203617A (en) * 2006-02-02 2007-08-16 Seiko Epson Corp Mold and manufacturing method
JP2017512674A (en) * 2014-03-14 2017-05-25 クラウスマッファイ ベルシュトルフ ゲゼルシャフト ミット ベシュレンクテル ハフツングＫｒａｕｓｓＭａｆｆｅｉ Ｂｅｒｓｔｏｒｆｆ ＧｍｂＨ Tube extrusion head and tube manufacturing method

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