JPS5341361A - Extruder screw - Google Patents

Extruder screw

Info

Publication number
JPS5341361A
JPS5341361A JP11603676A JP11603676A JPS5341361A JP S5341361 A JPS5341361 A JP S5341361A JP 11603676 A JP11603676 A JP 11603676A JP 11603676 A JP11603676 A JP 11603676A JP S5341361 A JPS5341361 A JP S5341361A
Authority
JP
Japan
Prior art keywords
extruder screw
extruder
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
JP11603676A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5735098B2 (it
Inventor
Osamu Mizukami
Hideo Hatake
Kouji Kaneko
Isao Yoshimura
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.)
Asahi Dow Ltd
Original Assignee
Asahi Dow 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 Asahi Dow Ltd filed Critical Asahi Dow Ltd
Priority to JP11603676A priority Critical patent/JPS5341361A/ja
Publication of JPS5341361A publication Critical patent/JPS5341361A/ja
Publication of JPS5735098B2 publication Critical patent/JPS5735098B2/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
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • 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)
JP11603676A 1976-09-29 1976-09-29 Extruder screw Granted JPS5341361A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11603676A JPS5341361A (en) 1976-09-29 1976-09-29 Extruder screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11603676A JPS5341361A (en) 1976-09-29 1976-09-29 Extruder screw

Publications (2)

Publication Number Publication Date
JPS5341361A true JPS5341361A (en) 1978-04-14
JPS5735098B2 JPS5735098B2 (it) 1982-07-27

Family

ID=14677141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11603676A Granted JPS5341361A (en) 1976-09-29 1976-09-29 Extruder screw

Country Status (1)

Country Link
JP (1) JPS5341361A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63182599U (it) * 1987-05-19 1988-11-24
JPH0230200A (ja) * 1988-07-20 1990-01-31 Inax Corp 電波吸収壁体

Also Published As

Publication number Publication date
JPS5735098B2 (it) 1982-07-27

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