JPH0230262Y2 - - Google Patents

Info

Publication number
JPH0230262Y2
JPH0230262Y2 JP1983038847U JP3884783U JPH0230262Y2 JP H0230262 Y2 JPH0230262 Y2 JP H0230262Y2 JP 1983038847 U JP1983038847 U JP 1983038847U JP 3884783 U JP3884783 U JP 3884783U JP H0230262 Y2 JPH0230262 Y2 JP H0230262Y2
Authority
JP
Japan
Prior art keywords
screw
barrel
feed screw
shallow groove
deep groove
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.)
Expired
Application number
JP1983038847U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59143724U (ja
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 JP1983038847U priority Critical patent/JPS59143724U/ja
Publication of JPS59143724U publication Critical patent/JPS59143724U/ja
Application granted granted Critical
Publication of JPH0230262Y2 publication Critical patent/JPH0230262Y2/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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/55—Screws having reverse-feeding elements
    • 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
    • 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1983038847U 1983-03-17 1983-03-17 ２軸押出機 Granted JPS59143724U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983038847U JPS59143724U (ja) 1983-03-17 1983-03-17 ２軸押出機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983038847U JPS59143724U (ja) 1983-03-17 1983-03-17 ２軸押出機

Publications (2)

Publication Number Publication Date
JPS59143724U JPS59143724U (ja) 1984-09-26
JPH0230262Y2 true JPH0230262Y2 (en]) 1990-08-15

Family

ID=30169513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983038847U Granted JPS59143724U (ja) 1983-03-17 1983-03-17 ２軸押出機

Country Status (1)

Country Link
JP (1) JPS59143724U (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3817941A1 (de) * 1988-05-27 1989-11-30 Rhodia Ag Extrusionsverfahren und ein-, zwei- oder mehrschneckenextruder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881708A (en) * 1972-06-15 1975-05-06 Usm Corp Mixing extruders

Also Published As

Publication number Publication date
JPS59143724U (ja) 1984-09-26

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