CA988455A - Production of webs of film materials - Google Patents
Production of webs of film materialsInfo
- Publication number
- CA988455A CA988455A CA151,133A CA151133A CA988455A CA 988455 A CA988455 A CA 988455A CA 151133 A CA151133 A CA 151133A CA 988455 A CA988455 A CA 988455A
- Authority
- CA
- Canada
- Prior art keywords
- webs
- production
- film materials
- film
- materials
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- B29C48/9165—Electrostatic pinning
-
- 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
- B29C48/92—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
- B29C2948/92009—Measured parameter
- B29C2948/92114—Dimensions
- B29C2948/92152—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
- B29C2948/92323—Location or phase of measurement
- B29C2948/92438—Conveying, transporting or storage of articles
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2145080A DE2145080C3 (de) | 1971-09-09 | 1971-09-09 | Verfahren und Vorrichtung zur kontinuierlichen Änderung des Dickenprofils bei der Herstellung von Folienbahnen |
Publications (1)
Publication Number | Publication Date |
---|---|
CA988455A true CA988455A (en) | 1976-05-04 |
Family
ID=5819085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA151,133A Expired CA988455A (en) | 1971-09-09 | 1972-09-07 | Production of webs of film materials |
Country Status (11)
Country | Link |
---|---|
US (1) | US3898026A (de) |
JP (1) | JPS4836260A (de) |
AT (1) | AT320264B (de) |
BE (1) | BE787234A (de) |
CA (1) | CA988455A (de) |
CH (1) | CH537269A (de) |
DE (1) | DE2145080C3 (de) |
FR (1) | FR2152761B1 (de) |
GB (1) | GB1409802A (de) |
IT (1) | IT965239B (de) |
NL (1) | NL7211807A (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4071589A (en) * | 1972-05-12 | 1978-01-31 | Imperial Chemical Industries Limited | Quenching of polymeric film |
US4162139A (en) * | 1973-02-07 | 1979-07-24 | Imperial Chemical Industries Limited | Casting of polymeric film |
US4028032A (en) * | 1976-03-09 | 1977-06-07 | Celanese Corporation | Apparatus for precision electrostatic pinning |
US4138768A (en) * | 1977-03-17 | 1979-02-13 | Roth Eldon N | Apparatus and method for forming meat patties |
US4284595A (en) * | 1979-01-19 | 1981-08-18 | Morrison-Knudsen Forest Products Company, Inc. | Orientation and deposition of fibers in the manufacture of fiberboard |
US4349575A (en) * | 1980-09-15 | 1982-09-14 | Roth Eldon N | Method for freezing and forming meat patties |
US4594203A (en) * | 1983-03-16 | 1986-06-10 | Toray Industries, Inc. | Method for producing a thermoplastic polymeric sheet |
DE3735001A1 (de) * | 1987-10-16 | 1989-04-27 | Reifenhaeuser Masch | Vorrichtung fuer die elektrostatische fixierung einer schmelzefahne aus thermoplastischem kunststoff auf einer kuehlwalze |
DE3740088C1 (de) * | 1987-11-26 | 1988-11-10 | Reifenhaeuser Masch | Verfahren zur Herstellung einer Folie aus thermoplastischem Kunststoff |
US4810432A (en) * | 1987-12-28 | 1989-03-07 | Polaroid Corporation | Method and apparatus for establishing a uniform charge on a substrate |
US4997600A (en) * | 1988-05-24 | 1991-03-05 | Mitsubishi Monsanto Chemical Company, Ltd. | Process for preparation of thermoplastic resin sheets |
US6531230B1 (en) * | 1998-01-13 | 2003-03-11 | 3M Innovative Properties Company | Color shifting film |
CN1270951C (zh) * | 2000-09-29 | 2006-08-23 | 东丽株式会社 | 薄膜卷体及其制造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US875026A (en) * | 1907-01-21 | 1907-12-31 | Thomas J Murphy | Journal-box lid. |
US3233156A (en) * | 1961-06-07 | 1966-02-01 | Eastman Kodak Co | Electrostatic charging methods and apparatus |
US3247430A (en) * | 1962-09-27 | 1966-04-19 | Eastman Kodak Co | Electrostatic charging apparatus |
US3520959A (en) * | 1968-03-05 | 1970-07-21 | Celanese Corp | Process for electrostatically pinning extruded thermoplastic film |
US3597515A (en) * | 1969-01-22 | 1971-08-03 | Dow Chemical Co | Plastic extrusion process in chill roll casting of film for improved flatness |
BE757907A (nl) * | 1969-10-30 | 1971-04-23 | Agfa Gevaert Nv | Procede voor de vervaardiging van polymeerfilm door extrusie |
US3686374A (en) * | 1970-03-23 | 1972-08-22 | Du Pont | Gas assisted electrostatic pinning |
-
0
- BE BE787234D patent/BE787234A/xx not_active IP Right Cessation
-
1971
- 1971-09-09 DE DE2145080A patent/DE2145080C3/de not_active Expired
-
1972
- 1972-08-30 NL NL7211807A patent/NL7211807A/xx not_active Application Discontinuation
- 1972-09-06 AT AT765172A patent/AT320264B/de not_active IP Right Cessation
- 1972-09-06 CH CH1307772A patent/CH537269A/de not_active IP Right Cessation
- 1972-09-07 GB GB4160272A patent/GB1409802A/en not_active Expired
- 1972-09-07 IT IT52586/72A patent/IT965239B/it active
- 1972-09-07 CA CA151,133A patent/CA988455A/en not_active Expired
- 1972-09-08 JP JP47090310A patent/JPS4836260A/ja active Pending
- 1972-09-08 FR FR7231871A patent/FR2152761B1/fr not_active Expired
-
1973
- 1973-07-25 US US382539A patent/US3898026A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3898026A (en) | 1975-08-05 |
FR2152761B1 (de) | 1977-08-05 |
DE2145080B2 (de) | 1980-03-27 |
AT320264B (de) | 1975-02-10 |
CH537269A (de) | 1973-05-31 |
GB1409802A (en) | 1975-10-15 |
NL7211807A (de) | 1973-03-13 |
DE2145080A1 (de) | 1973-03-22 |
BE787234A (fr) | 1973-02-05 |
IT965239B (it) | 1974-01-31 |
JPS4836260A (de) | 1973-05-28 |
DE2145080C3 (de) | 1980-11-20 |
FR2152761A1 (de) | 1973-04-27 |
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