IT8620944A0 - Procedimento e relativa apparecchiatura per la regolazione dello spessore di una pellicola piana. - Google Patents

Procedimento e relativa apparecchiatura per la regolazione dello spessore di una pellicola piana.

Info

Publication number
IT8620944A0
IT8620944A0 IT8620944A IT2094486A IT8620944A0 IT 8620944 A0 IT8620944 A0 IT 8620944A0 IT 8620944 A IT8620944 A IT 8620944A IT 2094486 A IT2094486 A IT 2094486A IT 8620944 A0 IT8620944 A0 IT 8620944A0
Authority
IT
Italy
Prior art keywords
procedure
adjusting
thickness
flat film
related equipment
Prior art date
Application number
IT8620944A
Other languages
English (en)
Other versions
IT1191819B (it
IT8620944A1 (it
Inventor
Lanfranco Dolci
Dario Brambilla
Original Assignee
Dolci Spa L
Dario Brambilla
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 Dolci Spa L, Dario Brambilla filed Critical Dolci Spa L
Priority to IT20944/86A priority Critical patent/IT1191819B/it
Publication of IT8620944A0 publication Critical patent/IT8620944A0/it
Priority to AU76942/87A priority patent/AU7694287A/en
Priority to PCT/EP1987/000330 priority patent/WO1988000126A1/en
Publication of IT8620944A1 publication Critical patent/IT8620944A1/it
Application granted granted Critical
Publication of IT1191819B publication Critical patent/IT1191819B/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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/917—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means by applying pressurised gas to the surface of the flat article
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
    • 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
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92923—Calibration, after-treatment or cooling zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT20944/86A 1986-06-27 1986-06-27 Procedimento e relativa apparecchiatura per la regolazione dello spessore di un pellicola piana IT1191819B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT20944/86A IT1191819B (it) 1986-06-27 1986-06-27 Procedimento e relativa apparecchiatura per la regolazione dello spessore di un pellicola piana
AU76942/87A AU7694287A (en) 1986-06-27 1987-06-24 Flat extruding head for plastic film
PCT/EP1987/000330 WO1988000126A1 (en) 1986-06-27 1987-06-24 Flat extruding head for plastic film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20944/86A IT1191819B (it) 1986-06-27 1986-06-27 Procedimento e relativa apparecchiatura per la regolazione dello spessore di un pellicola piana

Publications (3)

Publication Number Publication Date
IT8620944A0 true IT8620944A0 (it) 1986-06-27
IT8620944A1 IT8620944A1 (it) 1987-12-27
IT1191819B IT1191819B (it) 1988-03-23

Family

ID=11174423

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20944/86A IT1191819B (it) 1986-06-27 1986-06-27 Procedimento e relativa apparecchiatura per la regolazione dello spessore di un pellicola piana

Country Status (3)

Country Link
AU (1) AU7694287A (it)
IT (1) IT1191819B (it)
WO (1) WO1988000126A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698580B1 (fr) * 1992-12-01 1995-02-24 Albert Plastiques Dispositif pour plaquer sur un cylindre de refroidissement le film sortant d'une filière plate.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3141194A (en) * 1962-02-09 1964-07-21 Avisun Corp Gas delivery nozzle for film casting apparatus
NL6712922A (it) * 1966-09-22 1968-03-25
DE2658518C2 (de) * 1976-12-23 1983-04-28 Reifenhäuser KG, 5210 Troisdorf Anlage zur Herstellung von Blasfolien aus thermoplastischem Kunststoff
US4209475A (en) * 1978-10-20 1980-06-24 Mobil Oil Corporation Method and apparatus for effecting uniform film thickness
US4255365A (en) * 1979-01-23 1981-03-10 E. I. Du Pont De Nemours And Company Pneumatic gauge adjustment of edge-pinned cast web

Also Published As

Publication number Publication date
IT1191819B (it) 1988-03-23
AU7694287A (en) 1988-01-29
IT8620944A1 (it) 1987-12-27
WO1988000126A1 (en) 1988-01-14

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