JPS57189832U - - Google Patents

Info

Publication number
JPS57189832U
JPS57189832U JP1981078194U JP7819481U JPS57189832U JP S57189832 U JPS57189832 U JP S57189832U JP 1981078194 U JP1981078194 U JP 1981078194U JP 7819481 U JP7819481 U JP 7819481U JP S57189832 U JPS57189832 U JP S57189832U
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.)
Granted
Application number
JP1981078194U
Other languages
Japanese (ja)
Other versions
JPS6114413Y2 (enrdf_load_stackoverflow
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 JP1981078194U priority Critical patent/JPS6114413Y2/ja
Publication of JPS57189832U publication Critical patent/JPS57189832U/ja
Application granted granted Critical
Publication of JPS6114413Y2 publication Critical patent/JPS6114413Y2/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
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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)
JP1981078194U 1981-05-28 1981-05-28 Expired JPS6114413Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981078194U JPS6114413Y2 (enrdf_load_stackoverflow) 1981-05-28 1981-05-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981078194U JPS6114413Y2 (enrdf_load_stackoverflow) 1981-05-28 1981-05-28

Publications (2)

Publication Number Publication Date
JPS57189832U true JPS57189832U (enrdf_load_stackoverflow) 1982-12-02
JPS6114413Y2 JPS6114413Y2 (enrdf_load_stackoverflow) 1986-05-06

Family

ID=29873835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981078194U Expired JPS6114413Y2 (enrdf_load_stackoverflow) 1981-05-28 1981-05-28

Country Status (1)

Country Link
JP (1) JPS6114413Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6114413Y2 (enrdf_load_stackoverflow) 1986-05-06

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