JPS53160471U - - Google Patents

Info

Publication number
JPS53160471U
JPS53160471U JP1977066570U JP6657077U JPS53160471U JP S53160471 U JPS53160471 U JP S53160471U JP 1977066570 U JP1977066570 U JP 1977066570U JP 6657077 U JP6657077 U JP 6657077U JP S53160471 U JPS53160471 U JP S53160471U
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.)
Granted
Application number
JP1977066570U
Other languages
Japanese (ja)
Other versions
JPS569542Y2 (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 JP1977066570U priority Critical patent/JPS569542Y2/ja
Publication of JPS53160471U publication Critical patent/JPS53160471U/ja
Application granted granted Critical
Publication of JPS569542Y2 publication Critical patent/JPS569542Y2/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
    • B29C48/585—Screws provided with gears interacting with the flow
    • 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)
JP1977066570U 1977-05-23 1977-05-23 Expired JPS569542Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1977066570U JPS569542Y2 (enrdf_load_stackoverflow) 1977-05-23 1977-05-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977066570U JPS569542Y2 (enrdf_load_stackoverflow) 1977-05-23 1977-05-23

Publications (2)

Publication Number Publication Date
JPS53160471U true JPS53160471U (enrdf_load_stackoverflow) 1978-12-15
JPS569542Y2 JPS569542Y2 (enrdf_load_stackoverflow) 1981-03-03

Family

ID=28972701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977066570U Expired JPS569542Y2 (enrdf_load_stackoverflow) 1977-05-23 1977-05-23

Country Status (1)

Country Link
JP (1) JPS569542Y2 (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123772A (enrdf_load_stackoverflow) * 1974-03-19 1975-09-29
JPS51148473U (enrdf_load_stackoverflow) * 1975-05-22 1976-11-27

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123772A (enrdf_load_stackoverflow) * 1974-03-19 1975-09-29
JPS51148473U (enrdf_load_stackoverflow) * 1975-05-22 1976-11-27

Also Published As

Publication number Publication date
JPS569542Y2 (enrdf_load_stackoverflow) 1981-03-03

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