JPS569541Y2 - - Google Patents

Info

Publication number
JPS569541Y2
JPS569541Y2 JP1977066569U JP6656977U JPS569541Y2 JP S569541 Y2 JPS569541 Y2 JP S569541Y2 JP 1977066569 U JP1977066569 U JP 1977066569U JP 6656977 U JP6656977 U JP 6656977U JP S569541 Y2 JPS569541 Y2 JP S569541Y2
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
JP1977066569U
Other languages
Japanese (ja)
Other versions
JPS53160470U (en
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 JP1977066569U priority Critical patent/JPS569541Y2/ja
Publication of JPS53160470U publication Critical patent/JPS53160470U/ja
Application granted granted Critical
Publication of JPS569541Y2 publication Critical patent/JPS569541Y2/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)
JP1977066569U 1977-05-23 1977-05-23 Expired JPS569541Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1977066569U JPS569541Y2 (en) 1977-05-23 1977-05-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977066569U JPS569541Y2 (en) 1977-05-23 1977-05-23

Publications (2)

Publication Number Publication Date
JPS53160470U JPS53160470U (en) 1978-12-15
JPS569541Y2 true JPS569541Y2 (en) 1981-03-03

Family

ID=28972699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1977066569U Expired JPS569541Y2 (en) 1977-05-23 1977-05-23

Country Status (1)

Country Link
JP (1) JPS569541Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018001412A1 (en) * 2017-12-11 2019-06-13 Entex Rust & Mitschke Gmbh Degassing during the extrusion of substances, preferably plastics

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB926272A (en) * 1959-09-01 1963-05-15 James Garvey Self emptying nozzles for extrusion machines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB926272A (en) * 1959-09-01 1963-05-15 James Garvey Self emptying nozzles for extrusion machines

Also Published As

Publication number Publication date
JPS53160470U (en) 1978-12-15

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