JPS53149263A - Vent device of plastic molding machine - Google Patents

Vent device of plastic molding machine

Info

Publication number
JPS53149263A
JPS53149263A JP6446777A JP6446777A JPS53149263A JP S53149263 A JPS53149263 A JP S53149263A JP 6446777 A JP6446777 A JP 6446777A JP 6446777 A JP6446777 A JP 6446777A JP S53149263 A JPS53149263 A JP S53149263A
Authority
JP
Japan
Prior art keywords
molding machine
plastic molding
vent device
cylinder
vent
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
JP6446777A
Other languages
Japanese (ja)
Other versions
JPS5538255B2 (en
Inventor
Shinji Hashizume
Shinichi Fukumizu
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP6446777A priority Critical patent/JPS53149263A/en
Publication of JPS53149263A publication Critical patent/JPS53149263A/en
Publication of JPS5538255B2 publication Critical patent/JPS5538255B2/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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To prevent the vent up with certainty, by connecting the second resin retension part, which communicates to the first resin retention part, to the inner surface of cylinder with decreasing hollow depth toward the tip of the cylinder.
JP6446777A 1977-05-31 1977-05-31 Vent device of plastic molding machine Granted JPS53149263A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6446777A JPS53149263A (en) 1977-05-31 1977-05-31 Vent device of plastic molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6446777A JPS53149263A (en) 1977-05-31 1977-05-31 Vent device of plastic molding machine

Publications (2)

Publication Number Publication Date
JPS53149263A true JPS53149263A (en) 1978-12-26
JPS5538255B2 JPS5538255B2 (en) 1980-10-03

Family

ID=13259052

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6446777A Granted JPS53149263A (en) 1977-05-31 1977-05-31 Vent device of plastic molding machine

Country Status (1)

Country Link
JP (1) JPS53149263A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115219U (en) * 1980-02-05 1981-09-04
WO2001083195A3 (en) * 2000-05-03 2002-02-28 Davis Standard Corp Twin screw extruders for processing wood fiber and process for same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507248U (en) * 1973-05-17 1975-01-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507248U (en) * 1973-05-17 1975-01-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56115219U (en) * 1980-02-05 1981-09-04
WO2001083195A3 (en) * 2000-05-03 2002-02-28 Davis Standard Corp Twin screw extruders for processing wood fiber and process for same

Also Published As

Publication number Publication date
JPS5538255B2 (en) 1980-10-03

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