JPS5131823B2 - - Google Patents

Info

Publication number
JPS5131823B2
JPS5131823B2 JP47029910A JP2991072A JPS5131823B2 JP S5131823 B2 JPS5131823 B2 JP S5131823B2 JP 47029910 A JP47029910 A JP 47029910A JP 2991072 A JP2991072 A JP 2991072A JP S5131823 B2 JPS5131823 B2 JP S5131823B2
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
JP47029910A
Other languages
Japanese (ja)
Other versions
JPS4896660A (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 JP47029910A priority Critical patent/JPS5131823B2/ja
Publication of JPS4896660A publication Critical patent/JPS4896660A/ja
Publication of JPS5131823B2 publication Critical patent/JPS5131823B2/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
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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
    • B29C48/565—Screws having projections other than the thread, e.g. pins

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
JP47029910A 1972-03-25 1972-03-25 Expired JPS5131823B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP47029910A JPS5131823B2 (enrdf_load_stackoverflow) 1972-03-25 1972-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47029910A JPS5131823B2 (enrdf_load_stackoverflow) 1972-03-25 1972-03-25

Publications (2)

Publication Number Publication Date
JPS4896660A JPS4896660A (enrdf_load_stackoverflow) 1973-12-10
JPS5131823B2 true JPS5131823B2 (enrdf_load_stackoverflow) 1976-09-09

Family

ID=12289132

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47029910A Expired JPS5131823B2 (enrdf_load_stackoverflow) 1972-03-25 1972-03-25

Country Status (1)

Country Link
JP (1) JPS5131823B2 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51109072A (en) * 1975-03-20 1976-09-27 Sumitomo Electric Industries Hatsuhotaino oshidashihoho
JPS593265B2 (ja) * 1976-03-19 1984-01-23 古河電気工業株式会社 押出機用スクリユ−

Also Published As

Publication number Publication date
JPS4896660A (enrdf_load_stackoverflow) 1973-12-10

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