JPS4977247U - - Google Patents

Info

Publication number
JPS4977247U
JPS4977247U JP1972122386U JP12238672U JPS4977247U JP S4977247 U JPS4977247 U JP S4977247U JP 1972122386 U JP1972122386 U JP 1972122386U JP 12238672 U JP12238672 U JP 12238672U JP S4977247 U JPS4977247 U JP S4977247U
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.)
Pending
Application number
JP1972122386U
Other languages
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 JP1972122386U priority Critical patent/JPS4977247U/ja
Publication of JPS4977247U publication Critical patent/JPS4977247U/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
    • B29C48/53—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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical screws

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1972122386U 1972-10-23 1972-10-23 Pending JPS4977247U (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1972122386U JPS4977247U (enrdf_load_html_response) 1972-10-23 1972-10-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972122386U JPS4977247U (enrdf_load_html_response) 1972-10-23 1972-10-23

Publications (1)

Publication Number Publication Date
JPS4977247U true JPS4977247U (enrdf_load_html_response) 1974-07-04

Family

ID=28367251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1972122386U Pending JPS4977247U (enrdf_load_html_response) 1972-10-23 1972-10-23

Country Status (1)

Country Link
JP (1) JPS4977247U (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442766U (enrdf_load_html_response) * 1977-09-01 1979-03-23

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522627A (en) * 1968-03-23 1970-08-04 Pirelli Apparatus for the continuous treatment of plastic material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522627A (en) * 1968-03-23 1970-08-04 Pirelli Apparatus for the continuous treatment of plastic material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5442766U (enrdf_load_html_response) * 1977-09-01 1979-03-23

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