JPS4896660A - - Google Patents

Info

Publication number
JPS4896660A
JPS4896660A JP47029910A JP2991072A JPS4896660A JP S4896660 A JPS4896660 A JP S4896660A JP 47029910 A JP47029910 A JP 47029910A JP 2991072 A JP2991072 A JP 2991072A JP S4896660 A JPS4896660 A JP S4896660A
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
JP47029910A
Other languages
Japanese (ja)
Other versions
JPS5131823B2 (OSRAM
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 (OSRAM)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=12289132

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5131823B2 (OSRAM)

Cited By (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
JPS52112662A (en) * 1976-03-19 1977-09-21 Furukawa Electric Co Ltd Screw for extruder

Cited By (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
JPS52112662A (en) * 1976-03-19 1977-09-21 Furukawa Electric Co Ltd Screw for extruder

Also Published As

Publication number Publication date
JPS5131823B2 (OSRAM) 1976-09-09

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