JPS5150843Y2 - - Google Patents

Info

Publication number
JPS5150843Y2
JPS5150843Y2 JP1972143788U JP14378872U JPS5150843Y2 JP S5150843 Y2 JPS5150843 Y2 JP S5150843Y2 JP 1972143788 U JP1972143788 U JP 1972143788U JP 14378872 U JP14378872 U JP 14378872U JP S5150843 Y2 JPS5150843 Y2 JP S5150843Y2
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
JP1972143788U
Other languages
Japanese (ja)
Other versions
JPS4998462U (enrdf_load_html_response
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 JP1972143788U priority Critical patent/JPS5150843Y2/ja
Publication of JPS4998462U publication Critical patent/JPS4998462U/ja
Application granted granted Critical
Publication of JPS5150843Y2 publication Critical patent/JPS5150843Y2/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
    • B29C48/53—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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/39—Plasticisers, homogenisers or feeders comprising two or more stages a first extruder feeding the melt into an intermediate location of a second extruder
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1972143788U 1972-12-14 1972-12-14 Expired JPS5150843Y2 (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1972143788U JPS5150843Y2 (enrdf_load_html_response) 1972-12-14 1972-12-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972143788U JPS5150843Y2 (enrdf_load_html_response) 1972-12-14 1972-12-14

Publications (2)

Publication Number Publication Date
JPS4998462U JPS4998462U (enrdf_load_html_response) 1974-08-24
JPS5150843Y2 true JPS5150843Y2 (enrdf_load_html_response) 1976-12-07

Family

ID=28427500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1972143788U Expired JPS5150843Y2 (enrdf_load_html_response) 1972-12-14 1972-12-14

Country Status (1)

Country Link
JP (1) JPS5150843Y2 (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS4998462U (enrdf_load_html_response) 1974-08-24

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