JPS533250Y2 - - Google Patents

Info

Publication number
JPS533250Y2
JPS533250Y2 JP1973089302U JP8930273U JPS533250Y2 JP S533250 Y2 JPS533250 Y2 JP S533250Y2 JP 1973089302 U JP1973089302 U JP 1973089302U JP 8930273 U JP8930273 U JP 8930273U JP S533250 Y2 JPS533250 Y2 JP S533250Y2
Authority
JP
Japan
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.)
Expired
Application number
JP1973089302U
Other languages
Japanese (ja)
Other versions
JPS5035863U (en
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 JP1973089302U priority Critical patent/JPS533250Y2/ja
Publication of JPS5035863U publication Critical patent/JPS5035863U/ja
Application granted granted Critical
Publication of JPS533250Y2 publication Critical patent/JPS533250Y2/ja
Expired 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten material
    • B29C48/515—Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
JP1973089302U 1973-07-30 1973-07-30 Expired JPS533250Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1973089302U JPS533250Y2 (en) 1973-07-30 1973-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1973089302U JPS533250Y2 (en) 1973-07-30 1973-07-30

Publications (2)

Publication Number Publication Date
JPS5035863U JPS5035863U (en) 1975-04-16
JPS533250Y2 true JPS533250Y2 (en) 1978-01-27

Family

ID=28275264

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1973089302U Expired JPS533250Y2 (en) 1973-07-30 1973-07-30

Country Status (1)

Country Link
JP (1) JPS533250Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000084989A (en) * 1998-09-14 2000-03-28 Nissei Plastics Ind Co Screw having degassing groove at flight
JP2010105333A (en) * 2008-10-31 2010-05-13 I K G Kk Molding machine and screw for molding machine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54105750U (en) * 1977-12-29 1979-07-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000084989A (en) * 1998-09-14 2000-03-28 Nissei Plastics Ind Co Screw having degassing groove at flight
JP2010105333A (en) * 2008-10-31 2010-05-13 I K G Kk Molding machine and screw for molding machine

Also Published As

Publication number Publication date
JPS5035863U (en) 1975-04-16

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