IT8019161A0 - PROCEDURE AND DEVICE FOR THE PLASTIFICATION OR INJECTION OF PLASTIC RAW MATERIALS OR SIMILAR SUBSTANCES THANKS TO THE USE OF TURBULENT HEAT GENERATED IN THE RAW MATERIAL STREAM. - Google Patents

PROCEDURE AND DEVICE FOR THE PLASTIFICATION OR INJECTION OF PLASTIC RAW MATERIALS OR SIMILAR SUBSTANCES THANKS TO THE USE OF TURBULENT HEAT GENERATED IN THE RAW MATERIAL STREAM.

Info

Publication number
IT8019161A0
IT8019161A0 IT8019161A IT1916180A IT8019161A0 IT 8019161 A0 IT8019161 A0 IT 8019161A0 IT 8019161 A IT8019161 A IT 8019161A IT 1916180 A IT1916180 A IT 1916180A IT 8019161 A0 IT8019161 A0 IT 8019161A0
Authority
IT
Italy
Prior art keywords
plastification
injection
procedure
heat generated
material stream
Prior art date
Application number
IT8019161A
Other languages
Italian (it)
Other versions
IT1130855B (en
Inventor
Wittrock Ludwig
Original Assignee
Wittrock Ludwig
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
Priority claimed from DE19792901205 external-priority patent/DE2901205A1/en
Priority claimed from DE19792920825 external-priority patent/DE2920825A1/en
Application filed by Wittrock Ludwig filed Critical Wittrock Ludwig
Publication of IT8019161A0 publication Critical patent/IT8019161A0/en
Application granted granted Critical
Publication of IT1130855B publication Critical patent/IT1130855B/en

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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT8019161A 1979-01-13 1980-01-11 PROCEDURE AND DEVICE FOR PLASTIFICATION OR INJECTION OF PLASTIC RAW MATERIALS OR SIMILAR SUBSTANCES THANKS TO THE USE OF TURBULENCE HEAT GENERATED IN THE RAW MATERIAL FLOW IT1130855B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792901205 DE2901205A1 (en) 1979-01-13 1979-01-13 High efficiency blending extruder for plastics - screw feeds from hopper to revolving masticator producing high shear heat
DE19792920825 DE2920825A1 (en) 1979-05-23 1979-05-23 Plasticising installation preparing extrusion and moulding synthetics - generates heat by friction and thrust in melting chamber

Publications (2)

Publication Number Publication Date
IT8019161A0 true IT8019161A0 (en) 1980-01-11
IT1130855B IT1130855B (en) 1986-06-18

Family

ID=25777383

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8019161A IT1130855B (en) 1979-01-13 1980-01-11 PROCEDURE AND DEVICE FOR PLASTIFICATION OR INJECTION OF PLASTIC RAW MATERIALS OR SIMILAR SUBSTANCES THANKS TO THE USE OF TURBULENCE HEAT GENERATED IN THE RAW MATERIAL FLOW

Country Status (6)

Country Link
AU (1) AU5451180A (en)
BR (1) BR8000191A (en)
FR (1) FR2446159A1 (en)
GB (1) GB2042966A (en)
IT (1) IT1130855B (en)
NL (1) NL8000119A (en)

Also Published As

Publication number Publication date
NL8000119A (en) 1980-07-15
FR2446159A1 (en) 1980-08-08
BR8000191A (en) 1980-09-23
GB2042966A (en) 1980-10-01
IT1130855B (en) 1986-06-18
AU5451180A (en) 1980-07-17

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