IT1263149B - Metodo di estrusione ed impianto per esso - Google Patents

Metodo di estrusione ed impianto per esso

Info

Publication number
IT1263149B
IT1263149B ITMI930188A ITMI930188A IT1263149B IT 1263149 B IT1263149 B IT 1263149B IT MI930188 A ITMI930188 A IT MI930188A IT MI930188 A ITMI930188 A IT MI930188A IT 1263149 B IT1263149 B IT 1263149B
Authority
IT
Italy
Prior art keywords
propulsion
segment
plant
extrusion method
isomorphic
Prior art date
Application number
ITMI930188A
Other languages
English (en)
Inventor
Giancarlo Colombo
Original Assignee
Giancarlo Colombo
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 Giancarlo Colombo filed Critical Giancarlo Colombo
Publication of ITMI930188A0 publication Critical patent/ITMI930188A0/it
Priority to ITMI930188A priority Critical patent/IT1263149B/it
Priority to DE69410846T priority patent/DE69410846T2/de
Priority to AT94810048T priority patent/ATE167107T1/de
Priority to EP94810048A priority patent/EP0611250B1/en
Priority to ES94810048T priority patent/ES2119126T3/es
Priority to DK94810048T priority patent/DK0611250T3/da
Priority to US08/190,462 priority patent/US5437826A/en
Priority to JP6013744A priority patent/JPH06270223A/ja
Publication of ITMI930188A1 publication Critical patent/ITMI930188A1/it
Application granted granted Critical
Publication of IT1263149B publication Critical patent/IT1263149B/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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/94—Liquid charges
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
    • 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
    • B29C48/07—Flat, e.g. panels
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fillers or of fibrous materials, e.g. short-fibre reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers

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)
  • Fertilizers (AREA)
  • Metal Extraction Processes (AREA)

Abstract

Il metodo prevede l'impiego di una composizione polimerica specificata comprendente cloruro di polivinile (A), uno stabilizzante (B), un riempitivo minerale (C) e/o un plastificante (D), in cui A e B vengono immessi senza premescolamento adiacenza ad una prima parte di segmento propulsivo di due rotori di estrusore isomorfi adiacenti compenetrati reciprocamente e a segmenti alterni (longitudinalmente) consecutivi di propulsione e di impasto, almeno uno tra C e D viene introdotto a valle del primo segmento propulsivo e di almeno una parte di segmento di impasto, e la miscela viene degassificata ed estrusa attraverso una matrice d'estrusione.
ITMI930188A 1993-02-05 1993-02-05 Metodo di estrusione ed impianto per esso IT1263149B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
ITMI930188A IT1263149B (it) 1993-02-05 1993-02-05 Metodo di estrusione ed impianto per esso
ES94810048T ES2119126T3 (es) 1993-02-05 1994-01-28 Procedimiento y planta de extrusion.
AT94810048T ATE167107T1 (de) 1993-02-05 1994-01-28 Extrusionsverfahren und anlage
EP94810048A EP0611250B1 (en) 1993-02-05 1994-01-28 Extrusion method and plant
DE69410846T DE69410846T2 (de) 1993-02-05 1994-01-28 Extrusionsverfahren und Anlage
DK94810048T DK0611250T3 (da) 1993-02-05 1994-01-28 Ekstruderingsfremgangsmåde og -anlæg
US08/190,462 US5437826A (en) 1993-02-05 1994-02-02 Extrusion method
JP6013744A JPH06270223A (ja) 1993-02-05 1994-02-07 押出加工のための方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI930188A IT1263149B (it) 1993-02-05 1993-02-05 Metodo di estrusione ed impianto per esso

Publications (3)

Publication Number Publication Date
ITMI930188A0 ITMI930188A0 (it) 1993-02-05
ITMI930188A1 ITMI930188A1 (it) 1994-08-05
IT1263149B true IT1263149B (it) 1996-08-01

Family

ID=11364867

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI930188A IT1263149B (it) 1993-02-05 1993-02-05 Metodo di estrusione ed impianto per esso

Country Status (8)

Country Link
US (1) US5437826A (it)
EP (1) EP0611250B1 (it)
JP (1) JPH06270223A (it)
AT (1) ATE167107T1 (it)
DE (1) DE69410846T2 (it)
DK (1) DK0611250T3 (it)
ES (1) ES2119126T3 (it)
IT (1) IT1263149B (it)

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Also Published As

Publication number Publication date
JPH06270223A (ja) 1994-09-27
ITMI930188A1 (it) 1994-08-05
ES2119126T3 (es) 1998-10-01
US5437826A (en) 1995-08-01
ATE167107T1 (de) 1998-06-15
EP0611250A1 (en) 1994-08-17
EP0611250B1 (en) 1998-06-10
DE69410846D1 (de) 1998-07-16
DE69410846T2 (de) 1998-11-12
DK0611250T3 (da) 1999-03-29
ITMI930188A0 (it) 1993-02-05

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Effective date: 19970227