JPS5337028Y2 - - Google Patents

Info

Publication number
JPS5337028Y2
JPS5337028Y2 JP1974069784U JP6978474U JPS5337028Y2 JP S5337028 Y2 JPS5337028 Y2 JP S5337028Y2 JP 1974069784 U JP1974069784 U JP 1974069784U JP 6978474 U JP6978474 U JP 6978474U JP S5337028 Y2 JPS5337028 Y2 JP S5337028Y2
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
JP1974069784U
Other versions
JPS50156576U (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 JP1974069784U priority Critical patent/JPS5337028Y2/ja
Publication of JPS50156576U publication Critical patent/JPS50156576U/ja
Application granted granted Critical
Publication of JPS5337028Y2 publication Critical patent/JPS5337028Y2/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
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1974069784U 1974-06-15 1974-06-15 Expired JPS5337028Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1974069784U JPS5337028Y2 (ja) 1974-06-15 1974-06-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974069784U JPS5337028Y2 (ja) 1974-06-15 1974-06-15

Publications (2)

Publication Number Publication Date
JPS50156576U JPS50156576U (ja) 1975-12-25
JPS5337028Y2 true JPS5337028Y2 (ja) 1978-09-08

Family

ID=28237997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1974069784U Expired JPS5337028Y2 (ja) 1974-06-15 1974-06-15

Country Status (1)

Country Link
JP (1) JPS5337028Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698541A (en) * 1971-08-11 1972-10-17 Midland Ross Corp Extruder, or extruder-like melting apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698541A (en) * 1971-08-11 1972-10-17 Midland Ross Corp Extruder, or extruder-like melting apparatus

Also Published As

Publication number Publication date
JPS50156576U (ja) 1975-12-25

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