IT1067191B - Apparecchiatura di estrusione per la formazione di pellicole continue - Google Patents

Apparecchiatura di estrusione per la formazione di pellicole continue

Info

Publication number
IT1067191B
IT1067191B IT25791/76A IT2579176A IT1067191B IT 1067191 B IT1067191 B IT 1067191B IT 25791/76 A IT25791/76 A IT 25791/76A IT 2579176 A IT2579176 A IT 2579176A IT 1067191 B IT1067191 B IT 1067191B
Authority
IT
Italy
Prior art keywords
formation
extrusion equipment
continuous films
films
continuous
Prior art date
Application number
IT25791/76A
Other languages
English (en)
Original Assignee
Fmc Corp
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 Fmc Corp filed Critical Fmc Corp
Application granted granted Critical
Publication of IT1067191B publication Critical patent/IT1067191B/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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • B29C48/313—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections by positioning the die lips
    • 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
    • B29C48/31—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets being adjustable, i.e. having adjustable exit sections
    • 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
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT25791/76A 1975-07-29 1976-07-28 Apparecchiatura di estrusione per la formazione di pellicole continue IT1067191B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/600,175 US4029460A (en) 1975-07-29 1975-07-29 Flat film extrusion nozzle

Publications (1)

Publication Number Publication Date
IT1067191B true IT1067191B (it) 1985-03-12

Family

ID=24402598

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25791/76A IT1067191B (it) 1975-07-29 1976-07-28 Apparecchiatura di estrusione per la formazione di pellicole continue

Country Status (4)

Country Link
US (1) US4029460A (it)
JP (1) JPS5217571A (it)
DE (1) DE2634124A1 (it)
IT (1) IT1067191B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59104709U (ja) * 1982-12-29 1984-07-14 三菱重工業株式会社 押出成形用フラツトダイ
JPS60103789U (ja) * 1983-12-22 1985-07-15 日本鋼管株式会社 隅肉溶接部漏洩補修機器
DE4303357A1 (de) * 1993-02-05 1994-08-11 Hoechst Ag Beschichtungsvorrichtung zum Auftragen dünner Naßfilme
DE19535930C1 (de) * 1995-09-27 1997-01-09 Heinz Dr Ing Gros Vorrichtung zur veränderlichen Begrenzung eines flachen Fließkanals und Verfahren zum Austragen einer Massebahn mit veränderlicher Geometrie

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712155A (en) * 1953-08-31 1955-07-05 American Viscose Corp Bead control apparatus for sheet extruders
US2963741A (en) * 1956-01-26 1960-12-13 Dow Chemical Co Adjustable extrusion die
US3162896A (en) * 1962-04-09 1964-12-29 Union Carbide Corp Extrusion die
US3255488A (en) * 1963-03-26 1966-06-14 Waldherr Rudolf Wide slotted nozzle for producing film from extrudable materials
US3377655A (en) * 1966-03-02 1968-04-16 Eastman Kodak Co Extrusion die
US3461501A (en) * 1967-04-18 1969-08-19 Allied Chem Blown tubular film dies
US3761553A (en) * 1971-06-28 1973-09-25 Celanese Corp Method for producing uniform drawn films

Also Published As

Publication number Publication date
DE2634124A1 (de) 1977-02-17
JPS5217571A (en) 1977-02-09
US4029460A (en) 1977-06-14

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