IT1004149B - Procedimento e dispositivo per ridurre l attrito nella lavorazio ne di materie plastiche e simili - Google Patents

Procedimento e dispositivo per ridurre l attrito nella lavorazio ne di materie plastiche e simili

Info

Publication number
IT1004149B
IT1004149B IT50172/74A IT5017274A IT1004149B IT 1004149 B IT1004149 B IT 1004149B IT 50172/74 A IT50172/74 A IT 50172/74A IT 5017274 A IT5017274 A IT 5017274A IT 1004149 B IT1004149 B IT 1004149B
Authority
IT
Italy
Prior art keywords
procedure
plastic
processing
similar materials
reduce friction
Prior art date
Application number
IT50172/74A
Other languages
English (en)
Italian (it)
Inventor
G Sander
Original Assignee
Berstorff Gmbh Masch Hermann
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 DE19732317659 external-priority patent/DE2317659C3/de
Application filed by Berstorff Gmbh Masch Hermann filed Critical Berstorff Gmbh Masch Hermann
Application granted granted Critical
Publication of IT1004149B publication Critical patent/IT1004149B/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
    • B29C48/94—Lubricating
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • 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
    • B29C48/68—Barrels or cylinders
    • 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
    • B29C48/08—Flat, e.g. panels flexible, e.g. films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT50172/74A 1973-04-07 1974-04-05 Procedimento e dispositivo per ridurre l attrito nella lavorazio ne di materie plastiche e simili IT1004149B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732317659 DE2317659C3 (de) 1973-04-07 Extruder für Kunststoffe oder Elastomere

Publications (1)

Publication Number Publication Date
IT1004149B true IT1004149B (it) 1976-07-10

Family

ID=5877414

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50172/74A IT1004149B (it) 1973-04-07 1974-04-05 Procedimento e dispositivo per ridurre l attrito nella lavorazio ne di materie plastiche e simili

Country Status (3)

Country Link
FR (1) FR2224284A1 (enExample)
GB (1) GB1460352A (enExample)
IT (1) IT1004149B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1557184A (en) 1975-11-26 1979-12-05 Baker Perkins Holdings Ltd Mixing machines
GB9415720D0 (en) * 1994-08-03 1994-09-21 Environmental Polymers Ltd Extrusion and moulding apparatus and method

Also Published As

Publication number Publication date
FR2224284A1 (enExample) 1974-10-31
DE2317659A1 (de) 1974-10-31
DE2317659B2 (de) 1976-05-13
GB1460352A (enExample) 1977-01-06

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