JPS6114415Y2 - - Google Patents

Info

Publication number
JPS6114415Y2
JPS6114415Y2 JP1981003420U JP342081U JPS6114415Y2 JP S6114415 Y2 JPS6114415 Y2 JP S6114415Y2 JP 1981003420 U JP1981003420 U JP 1981003420U JP 342081 U JP342081 U JP 342081U JP S6114415 Y2 JPS6114415 Y2 JP S6114415Y2
Authority
JP
Japan
Prior art keywords
kneading roller
communication groove
outer periphery
raw material
extruder
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.)
Expired
Application number
JP1981003420U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57116427U (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 JP1981003420U priority Critical patent/JPS6114415Y2/ja
Publication of JPS57116427U publication Critical patent/JPS57116427U/ja
Application granted granted Critical
Publication of JPS6114415Y2 publication Critical patent/JPS6114415Y2/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
    • B29C48/56—Screws having grooves or cavities other than the thread or the channel
    • 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
    • B29C48/535—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)
JP1981003420U 1981-01-12 1981-01-12 Expired JPS6114415Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981003420U JPS6114415Y2 (enrdf_load_stackoverflow) 1981-01-12 1981-01-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981003420U JPS6114415Y2 (enrdf_load_stackoverflow) 1981-01-12 1981-01-12

Publications (2)

Publication Number Publication Date
JPS57116427U JPS57116427U (enrdf_load_stackoverflow) 1982-07-19
JPS6114415Y2 true JPS6114415Y2 (enrdf_load_stackoverflow) 1986-05-06

Family

ID=29801850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981003420U Expired JPS6114415Y2 (enrdf_load_stackoverflow) 1981-01-12 1981-01-12

Country Status (1)

Country Link
JP (1) JPS6114415Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10532490B2 (en) * 2016-04-06 2020-01-14 Davis-Standard, Llc Plasticating apparatus screw having grooves of varying angles and depths

Also Published As

Publication number Publication date
JPS57116427U (enrdf_load_stackoverflow) 1982-07-19

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