IT1067191B - Apparecchiatura di estrusione per la formazione di pellicole continue - Google Patents
Apparecchiatura di estrusione per la formazione di pellicole continueInfo
- 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
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)
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)
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)
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 |
-
1975
- 1975-07-29 US US05/600,175 patent/US4029460A/en not_active Expired - Lifetime
-
1976
- 1976-07-28 IT IT25791/76A patent/IT1067191B/it active
- 1976-07-29 DE DE19762634124 patent/DE2634124A1/de active Pending
- 1976-07-29 JP JP51090798A patent/JPS5217571A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2634124A1 (de) | 1977-02-17 |
US4029460A (en) | 1977-06-14 |
JPS5217571A (en) | 1977-02-09 |
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