JPS63180217U - - Google Patents

Info

Publication number
JPS63180217U
JPS63180217U JP1987072289U JP7228987U JPS63180217U JP S63180217 U JPS63180217 U JP S63180217U JP 1987072289 U JP1987072289 U JP 1987072289U JP 7228987 U JP7228987 U JP 7228987U JP S63180217 U JPS63180217 U JP S63180217U
Authority
JP
Japan
Prior art keywords
communication path
axial direction
screw
screw shaft
screw body
Prior art date
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.)
Pending
Application number
JP1987072289U
Other languages
English (en)
Japanese (ja)
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 JP1987072289U priority Critical patent/JPS63180217U/ja
Publication of JPS63180217U publication Critical patent/JPS63180217U/ja
Pending 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
    • B29C48/535—Screws with thread pitch varying along the longitudinal axis
    • 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
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/60—Thread tops

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1987072289U 1987-05-14 1987-05-14 Pending JPS63180217U (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987072289U JPS63180217U (enrdf_load_html_response) 1987-05-14 1987-05-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987072289U JPS63180217U (enrdf_load_html_response) 1987-05-14 1987-05-14

Publications (1)

Publication Number Publication Date
JPS63180217U true JPS63180217U (enrdf_load_html_response) 1988-11-21

Family

ID=30915618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987072289U Pending JPS63180217U (enrdf_load_html_response) 1987-05-14 1987-05-14

Country Status (1)

Country Link
JP (1) JPS63180217U (enrdf_load_html_response)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52133369A (en) * 1976-05-01 1977-11-08 Sumitomo Electric Industries Screw for biaxial extruder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52133369A (en) * 1976-05-01 1977-11-08 Sumitomo Electric Industries Screw for biaxial extruder

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