JPS641514A - Sheet material extruding die - Google Patents

Sheet material extruding die

Info

Publication number
JPS641514A
JPS641514A JP62158337A JP15833787A JPS641514A JP S641514 A JPS641514 A JP S641514A JP 62158337 A JP62158337 A JP 62158337A JP 15833787 A JP15833787 A JP 15833787A JP S641514 A JPS641514 A JP S641514A
Authority
JP
Japan
Prior art keywords
die
auxiliary heating
bolt
sheet material
bolts
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
JP62158337A
Other languages
Japanese (ja)
Other versions
JPH0574451B2 (en
JPH011514A (en
Inventor
Hidetoshi Okashiro
Hiroshi Umetani
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP62-158337A priority Critical patent/JPH011514A/en
Priority claimed from JP62-158337A external-priority patent/JPH011514A/en
Publication of JPS641514A publication Critical patent/JPS641514A/en
Publication of JPH011514A publication Critical patent/JPH011514A/en
Publication of JPH0574451B2 publication Critical patent/JPH0574451B2/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
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To reduce heat dissipation into a die bolt, utilize all of heat energy to only the axial thermal expansion of the die bolt and prevent the deterioration of slit gap regulating capacity, by employing an alloy steel, having a low heat conductivity and high tensile strength, as the material of the main body of a die, and an auxiliary heating device. CONSTITUTION:A sheet material extruding die consisting of a plurality of die bolts arranged in the widthwise direction of a slit, the die bolts and an auxiliary heating means are provided while the die bolts and the auxiliary heating means are constituted or a corrosion and heat resistant super alloy steel or the like, having the heat conductivity of 5-25kcal/m.hr. deg.C under a practical temperature of 20 deg.C-700 deg.C of the die bolt and the tensile strength of 70-150kg/mm<2> under the same temperature. This metal should contain the total amount of composition of Ni and Cr of substantially 50%-95% by weight %.
JP62-158337A 1987-06-25 Die for sheet extrusion Granted JPH011514A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62-158337A JPH011514A (en) 1987-06-25 Die for sheet extrusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62-158337A JPH011514A (en) 1987-06-25 Die for sheet extrusion

Publications (3)

Publication Number Publication Date
JPS641514A true JPS641514A (en) 1989-01-05
JPH011514A JPH011514A (en) 1989-01-05
JPH0574451B2 JPH0574451B2 (en) 1993-10-18

Family

ID=

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037782A (en) * 1983-08-10 1985-02-27 Matsushita Electric Ind Co Ltd Field effect transistor
JPS6078420U (en) * 1983-11-04 1985-05-31 東芝機械株式会社 Lip gap adjustment device for T-die for synthetic resin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037782A (en) * 1983-08-10 1985-02-27 Matsushita Electric Ind Co Ltd Field effect transistor
JPS6078420U (en) * 1983-11-04 1985-05-31 東芝機械株式会社 Lip gap adjustment device for T-die for synthetic resin

Also Published As

Publication number Publication date
JPH0574451B2 (en) 1993-10-18

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