JPS567863B2 - - Google Patents

Info

Publication number
JPS567863B2
JPS567863B2 JP3297074A JP3297074A JPS567863B2 JP S567863 B2 JPS567863 B2 JP S567863B2 JP 3297074 A JP3297074 A JP 3297074A JP 3297074 A JP3297074 A JP 3297074A JP S567863 B2 JPS567863 B2 JP S567863B2
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
JP3297074A
Other languages
Japanese (ja)
Other versions
JPS50126066A (en:Method
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 JP3297074A priority Critical patent/JPS567863B2/ja
Publication of JPS50126066A publication Critical patent/JPS50126066A/ja
Publication of JPS567863B2 publication Critical patent/JPS567863B2/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)
JP3297074A 1974-03-23 1974-03-23 Expired JPS567863B2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3297074A JPS567863B2 (en:Method) 1974-03-23 1974-03-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3297074A JPS567863B2 (en:Method) 1974-03-23 1974-03-23

Publications (2)

Publication Number Publication Date
JPS50126066A JPS50126066A (en:Method) 1975-10-03
JPS567863B2 true JPS567863B2 (en:Method) 1981-02-20

Family

ID=12373746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3297074A Expired JPS567863B2 (en:Method) 1974-03-23 1974-03-23

Country Status (1)

Country Link
JP (1) JPS567863B2 (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2978934A1 (fr) * 2011-08-09 2013-02-15 Rms Equipment Llc Vis d'extrudeuse du type a saillies

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5553543A (en) * 1978-10-15 1980-04-19 Matsushita Electric Works Ltd Screw for synthetic resin molding machine
US9011131B2 (en) 2010-03-11 2015-04-21 Rms Equipment Llc Lug type extruder screw
US10532490B2 (en) * 2016-04-06 2020-01-14 Davis-Standard, Llc Plasticating apparatus screw having grooves of varying angles and depths

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131824B2 (en:Method) * 1972-04-01 1976-09-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2978934A1 (fr) * 2011-08-09 2013-02-15 Rms Equipment Llc Vis d'extrudeuse du type a saillies

Also Published As

Publication number Publication date
JPS50126066A (en:Method) 1975-10-03

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