JPS5563244A - Extruding device of extruder for regenerating elongated plastics - Google Patents

Extruding device of extruder for regenerating elongated plastics

Info

Publication number
JPS5563244A
JPS5563244A JP13661378A JP13661378A JPS5563244A JP S5563244 A JPS5563244 A JP S5563244A JP 13661378 A JP13661378 A JP 13661378A JP 13661378 A JP13661378 A JP 13661378A JP S5563244 A JPS5563244 A JP S5563244A
Authority
JP
Japan
Prior art keywords
screw
diameter portion
large diameter
adjusting space
rendered
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
JP13661378A
Other languages
Japanese (ja)
Other versions
JPS5549986B2 (en
Inventor
Nobunori Hirasawa
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.)
TOUDAI SEIKI KK
Original Assignee
TOUDAI SEIKI KK
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 TOUDAI SEIKI KK filed Critical TOUDAI SEIKI KK
Priority to JP13661378A priority Critical patent/JPS5563244A/en
Publication of JPS5563244A publication Critical patent/JPS5563244A/en
Publication of JPS5549986B2 publication Critical patent/JPS5549986B2/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
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

PURPOSE:To provide the subject device wherein the diameter of the shaft screw is rendered into a large diameter and a volume adjusting space is provided at the junction part betwen the large diameter portion and the small diameter portion thereby to prevent the break of the screw in a small size device. CONSTITUTION:In an extruding machine comprising a material charging port 12, a degassing port 13, and an exhaust port 14, the shaft part of a screw 2 is rendered into a large diameter portion 21 and the front part thereof into a small diameter portion 22. The junction 24 of the large diameter part 21 and the small diameter part 22 has merely a conical surface, and a cylinder corresponding thereto also has a conical surface, whereby an adjusting space 5 is formed. The screw 2 is keyway fitted at the driving part 4, whereby its postion can be shifted longitudinally and the volume at the adjusting space 5 can be adjusted. As a result, even when a large torque is applied to the screw, it is not broken but there is no stalmate in the vent- up and exhaustion quantity, and the regeneration treatment of plastic films and the like can be carried out stably and economically.
JP13661378A 1978-11-06 1978-11-06 Extruding device of extruder for regenerating elongated plastics Granted JPS5563244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13661378A JPS5563244A (en) 1978-11-06 1978-11-06 Extruding device of extruder for regenerating elongated plastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13661378A JPS5563244A (en) 1978-11-06 1978-11-06 Extruding device of extruder for regenerating elongated plastics

Publications (2)

Publication Number Publication Date
JPS5563244A true JPS5563244A (en) 1980-05-13
JPS5549986B2 JPS5549986B2 (en) 1980-12-15

Family

ID=15179387

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13661378A Granted JPS5563244A (en) 1978-11-06 1978-11-06 Extruding device of extruder for regenerating elongated plastics

Country Status (1)

Country Link
JP (1) JPS5563244A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007268725A (en) * 2006-03-30 2007-10-18 Hagihara Industries Inc Screw extruder for thermoplastic material
CN102729451A (en) * 2012-06-28 2012-10-17 东华大学 Variable-diameter screw melt extruder and extrusion method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0276092U (en) * 1988-11-30 1990-06-11
JPH02258397A (en) * 1989-03-31 1990-10-19 Mutoh Ind Ltd Method for controlling origin of drawing head in automatic drawing instrument

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007268725A (en) * 2006-03-30 2007-10-18 Hagihara Industries Inc Screw extruder for thermoplastic material
CN102729451A (en) * 2012-06-28 2012-10-17 东华大学 Variable-diameter screw melt extruder and extrusion method thereof

Also Published As

Publication number Publication date
JPS5549986B2 (en) 1980-12-15

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