JPS5621589B2 - - Google Patents

Info

Publication number
JPS5621589B2
JPS5621589B2 JP11443774A JP11443774A JPS5621589B2 JP S5621589 B2 JPS5621589 B2 JP S5621589B2 JP 11443774 A JP11443774 A JP 11443774A JP 11443774 A JP11443774 A JP 11443774A JP S5621589 B2 JPS5621589 B2 JP S5621589B2
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
JP11443774A
Other languages
Japanese (ja)
Other versions
JPS5141066A (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 JP11443774A priority Critical patent/JPS5621589B2/ja
Publication of JPS5141066A publication Critical patent/JPS5141066A/ja
Publication of JPS5621589B2 publication Critical patent/JPS5621589B2/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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molding Of Porous Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP11443774A 1974-10-04 1974-10-04 Expired JPS5621589B2 (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11443774A JPS5621589B2 (enrdf_load_html_response) 1974-10-04 1974-10-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11443774A JPS5621589B2 (enrdf_load_html_response) 1974-10-04 1974-10-04

Publications (2)

Publication Number Publication Date
JPS5141066A JPS5141066A (enrdf_load_html_response) 1976-04-06
JPS5621589B2 true JPS5621589B2 (enrdf_load_html_response) 1981-05-20

Family

ID=14637696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11443774A Expired JPS5621589B2 (enrdf_load_html_response) 1974-10-04 1974-10-04

Country Status (1)

Country Link
JP (1) JPS5621589B2 (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393017A (en) * 1981-06-18 1983-07-12 The B. F. Goodrich Company Apparatus and method for making foamed resin products
HUP1200156A2 (en) * 2012-03-09 2013-09-30 Furukawa Electric Co Ltd Chiyoda Ku Equipment and method for producing microcellular plastics

Also Published As

Publication number Publication date
JPS5141066A (enrdf_load_html_response) 1976-04-06

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