JPH0129066Y2 - - Google Patents

Info

Publication number
JPH0129066Y2
JPH0129066Y2 JP1981174894U JP17489481U JPH0129066Y2 JP H0129066 Y2 JPH0129066 Y2 JP H0129066Y2 JP 1981174894 U JP1981174894 U JP 1981174894U JP 17489481 U JP17489481 U JP 17489481U JP H0129066 Y2 JPH0129066 Y2 JP H0129066Y2
Authority
JP
Japan
Prior art keywords
screw
flight
section groove
groove
melting
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
JP1981174894U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5879336U (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 JP1981174894U priority Critical patent/JPS5879336U/ja
Publication of JPS5879336U publication Critical patent/JPS5879336U/ja
Application granted granted Critical
Publication of JPH0129066Y2 publication Critical patent/JPH0129066Y2/ja
Granted 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
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
    • 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
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/595—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread having non-uniform width
    • 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
    • B29C48/64—Screws with two or more threads
    • B29C48/66—Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP1981174894U 1981-11-25 1981-11-25 押出スクリユ Granted JPS5879336U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981174894U JPS5879336U (ja) 1981-11-25 1981-11-25 押出スクリユ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981174894U JPS5879336U (ja) 1981-11-25 1981-11-25 押出スクリユ

Publications (2)

Publication Number Publication Date
JPS5879336U JPS5879336U (ja) 1983-05-28
JPH0129066Y2 true JPH0129066Y2 (en]) 1989-09-05

Family

ID=29967026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981174894U Granted JPS5879336U (ja) 1981-11-25 1981-11-25 押出スクリユ

Country Status (1)

Country Link
JP (1) JPS5879336U (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6144981B2 (ja) * 2013-07-04 2017-06-07 住友ゴム工業株式会社 ゴム部材の製造装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5347819B2 (en]) * 1974-05-10 1978-12-23
JPS54154374U (en]) * 1978-04-20 1979-10-26

Also Published As

Publication number Publication date
JPS5879336U (ja) 1983-05-28

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