JPS5244876A - Synthetic resin working machine screw - Google Patents

Synthetic resin working machine screw

Info

Publication number
JPS5244876A
JPS5244876A JP50120280A JP12028075A JPS5244876A JP S5244876 A JPS5244876 A JP S5244876A JP 50120280 A JP50120280 A JP 50120280A JP 12028075 A JP12028075 A JP 12028075A JP S5244876 A JPS5244876 A JP S5244876A
Authority
JP
Japan
Prior art keywords
synthetic resin
working machine
machine screw
resin working
screw
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.)
Granted
Application number
JP50120280A
Other languages
Japanese (ja)
Other versions
JPS5348217B2 (en
Inventor
Kazuyuki Nakamura
Atsushin Nagai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works Ltd
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 by Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Priority to JP50120280A priority Critical patent/JPS5244876A/en
Publication of JPS5244876A publication Critical patent/JPS5244876A/en
Publication of JPS5348217B2 publication Critical patent/JPS5348217B2/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
    • B29C48/655—Screws with two or more threads having three or more threads
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP50120280A 1975-10-07 1975-10-07 Synthetic resin working machine screw Granted JPS5244876A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50120280A JPS5244876A (en) 1975-10-07 1975-10-07 Synthetic resin working machine screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50120280A JPS5244876A (en) 1975-10-07 1975-10-07 Synthetic resin working machine screw

Publications (2)

Publication Number Publication Date
JPS5244876A true JPS5244876A (en) 1977-04-08
JPS5348217B2 JPS5348217B2 (en) 1978-12-27

Family

ID=14782320

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50120280A Granted JPS5244876A (en) 1975-10-07 1975-10-07 Synthetic resin working machine screw

Country Status (1)

Country Link
JP (1) JPS5244876A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641811A (en) * 1979-09-13 1981-04-18 Nissan Chem Ind Ltd Continuous manufacture of nitrous oxide
CN104527027A (en) * 2014-12-08 2015-04-22 张家港市兰航机械有限公司 Extrusion screw in PP foam sheet extruder mixing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016996U (en) * 1973-06-13 1975-02-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5016996U (en) * 1973-06-13 1975-02-22

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641811A (en) * 1979-09-13 1981-04-18 Nissan Chem Ind Ltd Continuous manufacture of nitrous oxide
JPS6246486B2 (en) * 1979-09-13 1987-10-02 Nissan Chemical Ind Ltd
CN104527027A (en) * 2014-12-08 2015-04-22 张家港市兰航机械有限公司 Extrusion screw in PP foam sheet extruder mixing device

Also Published As

Publication number Publication date
JPS5348217B2 (en) 1978-12-27

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