JPS55137941A - Screw structure for extrusion molding machine - Google Patents

Screw structure for extrusion molding machine

Info

Publication number
JPS55137941A
JPS55137941A JP4635379A JP4635379A JPS55137941A JP S55137941 A JPS55137941 A JP S55137941A JP 4635379 A JP4635379 A JP 4635379A JP 4635379 A JP4635379 A JP 4635379A JP S55137941 A JPS55137941 A JP S55137941A
Authority
JP
Japan
Prior art keywords
divided
screws
blades
molten material
different
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
JP4635379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6111180B2 (enExample
Inventor
Tadashi Sato
Toshiyuki Akamatsu
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 JP4635379A priority Critical patent/JPS55137941A/ja
Publication of JPS55137941A publication Critical patent/JPS55137941A/ja
Publication of JPS6111180B2 publication Critical patent/JPS6111180B2/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
    • B29C48/395—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
    • B29C48/402—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 the screws having intermeshing parts
    • 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
    • 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

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)
JP4635379A 1979-04-15 1979-04-15 Screw structure for extrusion molding machine Granted JPS55137941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4635379A JPS55137941A (en) 1979-04-15 1979-04-15 Screw structure for extrusion molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4635379A JPS55137941A (en) 1979-04-15 1979-04-15 Screw structure for extrusion molding machine

Publications (2)

Publication Number Publication Date
JPS55137941A true JPS55137941A (en) 1980-10-28
JPS6111180B2 JPS6111180B2 (enExample) 1986-04-01

Family

ID=12744773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4635379A Granted JPS55137941A (en) 1979-04-15 1979-04-15 Screw structure for extrusion molding machine

Country Status (1)

Country Link
JP (1) JPS55137941A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998013189A1 (en) * 1996-09-24 1998-04-02 The Dow Chemical Company Multiple-screw extruder
US6062719A (en) * 1996-09-24 2000-05-16 The Dow Chemical Company High efficiency extruder
JP2004237656A (ja) * 2003-02-07 2004-08-26 Sumitomo Rubber Ind Ltd 二軸混練押出機

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998013189A1 (en) * 1996-09-24 1998-04-02 The Dow Chemical Company Multiple-screw extruder
US6022133A (en) * 1996-09-24 2000-02-08 The Dow Chemical Company Multiple-screw extruder
US6062719A (en) * 1996-09-24 2000-05-16 The Dow Chemical Company High efficiency extruder
JP2004237656A (ja) * 2003-02-07 2004-08-26 Sumitomo Rubber Ind Ltd 二軸混練押出機

Also Published As

Publication number Publication date
JPS6111180B2 (enExample) 1986-04-01

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