ITMI20020533A1 - Vite di plastificazione particolarmente per macchine per la trasformazione di resine termopastiche - Google Patents

Vite di plastificazione particolarmente per macchine per la trasformazione di resine termopastiche

Info

Publication number
ITMI20020533A1
ITMI20020533A1 IT2002MI000533A ITMI20020533A ITMI20020533A1 IT MI20020533 A1 ITMI20020533 A1 IT MI20020533A1 IT 2002MI000533 A IT2002MI000533 A IT 2002MI000533A IT MI20020533 A ITMI20020533 A IT MI20020533A IT MI20020533 A1 ITMI20020533 A1 IT MI20020533A1
Authority
IT
Italy
Prior art keywords
resins
thermopastic
transformation
machines
threads
Prior art date
Application number
IT2002MI000533A
Other languages
English (en)
Inventor
Albino Rossi
Original Assignee
Ferioli Filippo S P A
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 Ferioli Filippo S P A filed Critical Ferioli Filippo S P A
Priority to IT2002MI000533A priority Critical patent/ITMI20020533A1/it
Publication of ITMI20020533A0 publication Critical patent/ITMI20020533A0/it
Priority to EP03005761A priority patent/EP1344627B1/en
Priority to DE60302685T priority patent/DE60302685T2/de
Priority to ES03005761T priority patent/ES2254805T3/es
Priority to AT03005761T priority patent/ATE312697T1/de
Publication of ITMI20020533A1 publication Critical patent/ITMI20020533A1/it

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
    • B29C48/03—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
    • B29C48/04—Particle-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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/66—Barrier threads, i.e. comprising primary and secondary threads whereby the secondary thread provides clearance to the barrel for material movement
    • 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
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • 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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT2002MI000533A 2002-03-14 2002-03-14 Vite di plastificazione particolarmente per macchine per la trasformazione di resine termopastiche ITMI20020533A1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT2002MI000533A ITMI20020533A1 (it) 2002-03-14 2002-03-14 Vite di plastificazione particolarmente per macchine per la trasformazione di resine termopastiche
EP03005761A EP1344627B1 (en) 2002-03-14 2003-03-14 Screw for plasticising thermoplastic resins with three flights and streams of different speed therein
DE60302685T DE60302685T2 (de) 2002-03-14 2003-03-14 Plastifizierungsschnecke Thermoplaste mit drei Gewindegängen und unterschiedlich schnellen Materialströmen darin
ES03005761T ES2254805T3 (es) 2002-03-14 2003-03-14 Tornillo para plastificar resinas termoplasticas con tres aletas y con flujos de distinta velocidad.
AT03005761T ATE312697T1 (de) 2002-03-14 2003-03-14 Plastifizierschnecke für thermoplaste mit drei gewindegängen und unterschiedlich schnellen materialströmen darin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2002MI000533A ITMI20020533A1 (it) 2002-03-14 2002-03-14 Vite di plastificazione particolarmente per macchine per la trasformazione di resine termopastiche

Publications (2)

Publication Number Publication Date
ITMI20020533A0 ITMI20020533A0 (it) 2002-03-14
ITMI20020533A1 true ITMI20020533A1 (it) 2003-09-15

Family

ID=11449502

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2002MI000533A ITMI20020533A1 (it) 2002-03-14 2002-03-14 Vite di plastificazione particolarmente per macchine per la trasformazione di resine termopastiche

Country Status (5)

Country Link
EP (1) EP1344627B1 (it)
AT (1) ATE312697T1 (it)
DE (1) DE60302685T2 (it)
ES (1) ES2254805T3 (it)
IT (1) ITMI20020533A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700023340A1 (it) * 2017-03-02 2018-09-02 Semplice S P A Vite di estrusione, particolarmente per macchine di estrusione monovite.
CN108016018A (zh) * 2018-01-04 2018-05-11 武军 一种基于体积形变的脉动塑化螺杆

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000884A (en) * 1975-07-25 1977-01-04 Chung Chan I Extruder screw
JPS5784830A (en) * 1980-11-18 1982-05-27 Toshiba Mach Co Ltd Extruding screw of thermoplastic resin
JPS5874521U (ja) * 1981-11-16 1983-05-20 株式会社神戸製鋼所 高分子材料押出用スクリユ−
US4405239A (en) * 1982-04-13 1983-09-20 Chung Chan I Energy efficient extruder screw
US4798472A (en) * 1988-01-14 1989-01-17 Harry Chan Extruder screw with balanced flights of different functional sections
JP2519575B2 (ja) * 1990-06-01 1996-07-31 宇部興産株式会社 高混練スクリュ
WO1998037952A1 (en) * 1997-02-28 1998-09-03 Hpm Corporation Thixotropic molding machine and screw therefor
US6176606B1 (en) * 1999-09-03 2001-01-23 Davis-Standard Corporation Extruder screw

Also Published As

Publication number Publication date
DE60302685D1 (de) 2006-01-19
DE60302685T2 (de) 2006-08-24
ES2254805T3 (es) 2006-06-16
ITMI20020533A0 (it) 2002-03-14
ATE312697T1 (de) 2005-12-15
EP1344627A1 (en) 2003-09-17
EP1344627B1 (en) 2005-12-14

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