IT1081742B - DEVICE FOR THE CONTINUOUS EXTRUSION OF A FLAT SHEET OF HOT PLASTIC MATERIAL - Google Patents

DEVICE FOR THE CONTINUOUS EXTRUSION OF A FLAT SHEET OF HOT PLASTIC MATERIAL

Info

Publication number
IT1081742B
IT1081742B IT23406/77A IT2340677A IT1081742B IT 1081742 B IT1081742 B IT 1081742B IT 23406/77 A IT23406/77 A IT 23406/77A IT 2340677 A IT2340677 A IT 2340677A IT 1081742 B IT1081742 B IT 1081742B
Authority
IT
Italy
Prior art keywords
plastic material
flat sheet
continuous extrusion
hot plastic
hot
Prior art date
Application number
IT23406/77A
Other languages
Italian (it)
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Application granted granted Critical
Publication of IT1081742B publication Critical patent/IT1081742B/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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/35—Extrusion nozzles or dies with rollers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT23406/77A 1976-05-17 1977-05-10 DEVICE FOR THE CONTINUOUS EXTRUSION OF A FLAT SHEET OF HOT PLASTIC MATERIAL IT1081742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7615023A FR2351770A1 (en) 1976-05-17 1976-05-17 Roll nip die for extruding hot plastics sheet - to produce e.g. PVC webs at relatively low shear rates and temperatures

Publications (1)

Publication Number Publication Date
IT1081742B true IT1081742B (en) 1985-05-21

Family

ID=9173315

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23406/77A IT1081742B (en) 1976-05-17 1977-05-10 DEVICE FOR THE CONTINUOUS EXTRUSION OF A FLAT SHEET OF HOT PLASTIC MATERIAL

Country Status (7)

Country Link
BE (1) BE854540A (en)
BR (1) BR7702751A (en)
DE (1) DE2721223A1 (en)
ES (1) ES458832A1 (en)
FR (1) FR2351770A1 (en)
IT (1) IT1081742B (en)
NL (1) NL7705449A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN150686B (en) * 1978-03-09 1982-11-20 Usm Corp
FR2673141B1 (en) * 1991-02-21 1994-09-02 Aerospatiale ADJUSTABLE DIE WITH ROTATING ROLLERS FOR THE PRODUCTION OF A BELT WITH INCLINED EDGES.

Also Published As

Publication number Publication date
BE854540A (en) 1977-11-14
ES458832A1 (en) 1978-03-01
NL7705449A (en) 1977-11-21
BR7702751A (en) 1978-03-21
FR2351770A1 (en) 1977-12-16
FR2351770B1 (en) 1979-10-12
DE2721223A1 (en) 1977-12-01

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