[go: up one dir, main page]

IT8547804A0 - Procedimento e apparecchiatura per la estrusione continua a soffio di films plastici sottili,in particolare da polvere di pvc, "rigido",anche senza impiego di plastificanti - Google Patents

Procedimento e apparecchiatura per la estrusione continua a soffio di films plastici sottili,in particolare da polvere di pvc, "rigido",anche senza impiego di plastificanti

Info

Publication number
IT8547804A0
IT8547804A0 IT8547804A IT4780485A IT8547804A0 IT 8547804 A0 IT8547804 A0 IT 8547804A0 IT 8547804 A IT8547804 A IT 8547804A IT 4780485 A IT4780485 A IT 4780485A IT 8547804 A0 IT8547804 A0 IT 8547804A0
Authority
IT
Italy
Prior art keywords
plasticizers
rigid
procedure
equipment
plastic films
Prior art date
Application number
IT8547804A
Other languages
English (en)
Other versions
IT1181599B (it
Inventor
Giancarlo Tramezzani
Original Assignee
Fiap Spa
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 Fiap Spa filed Critical Fiap Spa
Publication of IT8547804A0 publication Critical patent/IT8547804A0/it
Application granted granted Critical
Publication of IT1181599B publication Critical patent/IT1181599B/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
    • B29C48/256—Exchangeable extruder parts
    • B29C48/2564—Screw parts
    • 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
    • B29C48/03—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
    • B29C48/03—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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT47804/85A 1984-12-06 1985-03-13 Procedimento e apparecchiatura per la estrusione continua a soffio di films plastici sottili,in particolare da polvere di pvc,"rigido",anche senza impiego di plastificanti IT1181599B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5818/84A CH661001A5 (en) 1984-12-06 1984-12-06 Process and apparatus for the continuous blow extrusion of thin plastic films from "rigid" PVC powder, even without the use of plasticizers

Publications (2)

Publication Number Publication Date
IT8547804A0 true IT8547804A0 (it) 1985-03-13
IT1181599B IT1181599B (it) 1987-09-30

Family

ID=4299806

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47804/85A IT1181599B (it) 1984-12-06 1985-03-13 Procedimento e apparecchiatura per la estrusione continua a soffio di films plastici sottili,in particolare da polvere di pvc,"rigido",anche senza impiego di plastificanti

Country Status (4)

Country Link
CN (1) CN1005621B (it)
CH (1) CH661001A5 (it)
IT (1) IT1181599B (it)
SU (1) SU1500147A3 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111009353A (zh) * 2019-12-31 2020-04-14 杭州电缆股份有限公司 一种b1级阻燃电力电缆及其生产工艺

Also Published As

Publication number Publication date
SU1500147A3 (ru) 1989-08-07
CN85101859A (zh) 1987-01-17
CH661001A5 (en) 1987-06-30
IT1181599B (it) 1987-09-30
CN1005621B (zh) 1989-11-01

Similar Documents

Publication Publication Date Title
GB2155021B (en) Flexible plasticized vinyl chloride resin composition and medical articles formed therefrom
GB8523268D0 (en) Cooling tubular plastic films
EP0367445A3 (en) Extruder polymerization of polyurethanes
FI943782L (fi) Tekstiilimäisiä rei'itettyjä muovikalvoja
IT8348065A0 (it) Perfezionamento nelle filiere per la estrusione di pellicole continue a piu' componenti polimerici
GB2112703B (en) Cooling extruded tubular plastics film
AU520398B2 (en) Continuous extrusion and blowing of thin films of plastic material in particular rigid pvc
AU7789887A (en) Die for extrusion of blown plastic film
AU7719887A (en) Extrudable blends of polyethylene and films thereof
GB8605997D0 (en) Plastics films
IT8547804A0 (it) Procedimento e apparecchiatura per la estrusione continua a soffio di films plastici sottili,in particolare da polvere di pvc, "rigido",anche senza impiego di plastificanti
IT8619606A0 (it) Filiera per l'estrusione di nastri o di lastre in materiali plastici di differenti colori e di un supporto per i suddetti nastri o lastre
IT1215422B (it) Trafila per l'estrusione di un nastro di materia plastica del tipo termoplastico espanso.
EG18419A (en) Improvement in the extrusion of plastic materials
AU2747488A (en) Method of extrusion of compositions of linear polyethylene and polyacetal, and films thereof
FR2594067B1 (fr) Appareil d'extrusion a deux extrudeuses
ITMI921676A0 (it) Procedimento per la produzione di laminati plastici con alimentazione e nastro
FR2606117B3 (fr) Tube extrude en matiere synthetique
GB2165130B (en) Polymer films and their use
ITMI922629A1 (it) Procedimento e apparecchiatura per l'estrusione di pellicole termoplastiche, ad azione differenziata
GB8824511D0 (en) Extrusion die for blown plastic film
DE3570206D1 (en) Extrusion die for the manufacture of blown plastics films
GB9019217D0 (en) Plastics extrusion
ZA877511B (en) Extrudable blends of polyethylene and films thereof
AU7694287A (en) Flat extruding head for plastic film

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970314