JPS4936763A - - Google Patents

Info

Publication number
JPS4936763A
JPS4936763A JP47079479A JP7947972A JPS4936763A JP S4936763 A JPS4936763 A JP S4936763A JP 47079479 A JP47079479 A JP 47079479A JP 7947972 A JP7947972 A JP 7947972A JP S4936763 A JPS4936763 A JP S4936763A
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
JP47079479A
Other languages
Japanese (ja)
Other versions
JPS5227658B2 (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 JP47079479A priority Critical patent/JPS5227658B2/ja
Publication of JPS4936763A publication Critical patent/JPS4936763A/ja
Publication of JPS5227658B2 publication Critical patent/JPS5227658B2/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
    • B29C48/645—Screws with two or more threads neighbouring threads and channels having identical configurations
    • 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
    • B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
    • 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)
JP47079479A 1972-08-10 1972-08-10 Expired JPS5227658B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP47079479A JPS5227658B2 (enrdf_load_stackoverflow) 1972-08-10 1972-08-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47079479A JPS5227658B2 (enrdf_load_stackoverflow) 1972-08-10 1972-08-10

Publications (2)

Publication Number Publication Date
JPS4936763A true JPS4936763A (enrdf_load_stackoverflow) 1974-04-05
JPS5227658B2 JPS5227658B2 (enrdf_load_stackoverflow) 1977-07-21

Family

ID=13691018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47079479A Expired JPS5227658B2 (enrdf_load_stackoverflow) 1972-08-10 1972-08-10

Country Status (1)

Country Link
JP (1) JPS5227658B2 (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128863A (en) * 1974-09-06 1976-03-11 Japan Steel Works Ltd 2 danshikioshidashiki
JPS51124332A (en) * 1975-04-23 1976-10-29 Omron Tateisi Electronics Co Memory protection device
JPS51155025U (enrdf_load_stackoverflow) * 1975-06-05 1976-12-10
JPS5467340A (en) * 1977-11-09 1979-05-30 Hitachi Ltd Magnetic bubble unit
JPS6017811A (ja) * 1983-07-09 1985-01-29 住友電気工業株式会社 連結押出機による発泡体の押出方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5471249U (enrdf_load_stackoverflow) * 1977-10-28 1979-05-21

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128863A (en) * 1974-09-06 1976-03-11 Japan Steel Works Ltd 2 danshikioshidashiki
JPS51124332A (en) * 1975-04-23 1976-10-29 Omron Tateisi Electronics Co Memory protection device
JPS51155025U (enrdf_load_stackoverflow) * 1975-06-05 1976-12-10
JPS5467340A (en) * 1977-11-09 1979-05-30 Hitachi Ltd Magnetic bubble unit
JPS6017811A (ja) * 1983-07-09 1985-01-29 住友電気工業株式会社 連結押出機による発泡体の押出方法

Also Published As

Publication number Publication date
JPS5227658B2 (enrdf_load_stackoverflow) 1977-07-21

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