JPS55137939A - Screw structure for extrusion molding machine - Google Patents

Screw structure for extrusion molding machine

Info

Publication number
JPS55137939A
JPS55137939A JP4634679A JP4634679A JPS55137939A JP S55137939 A JPS55137939 A JP S55137939A JP 4634679 A JP4634679 A JP 4634679A JP 4634679 A JP4634679 A JP 4634679A JP S55137939 A JPS55137939 A JP S55137939A
Authority
JP
Japan
Prior art keywords
screw
molding material
groove
rotated
axis
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
JP4634679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6111178B2 (enrdf_load_stackoverflow
Inventor
Tadashi Sato
Masaru Yokoyama
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP4634679A priority Critical patent/JPS55137939A/ja
Publication of JPS55137939A publication Critical patent/JPS55137939A/ja
Publication of JPS6111178B2 publication Critical patent/JPS6111178B2/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
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
JP4634679A 1979-04-15 1979-04-15 Screw structure for extrusion molding machine Granted JPS55137939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4634679A JPS55137939A (en) 1979-04-15 1979-04-15 Screw structure for extrusion molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4634679A JPS55137939A (en) 1979-04-15 1979-04-15 Screw structure for extrusion molding machine

Publications (2)

Publication Number Publication Date
JPS55137939A true JPS55137939A (en) 1980-10-28
JPS6111178B2 JPS6111178B2 (enrdf_load_stackoverflow) 1986-04-01

Family

ID=12744572

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4634679A Granted JPS55137939A (en) 1979-04-15 1979-04-15 Screw structure for extrusion molding machine

Country Status (1)

Country Link
JP (1) JPS55137939A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008136890A (ja) * 2006-11-30 2008-06-19 Fujisash Co 混練機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008136890A (ja) * 2006-11-30 2008-06-19 Fujisash Co 混練機

Also Published As

Publication number Publication date
JPS6111178B2 (enrdf_load_stackoverflow) 1986-04-01

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