FR2408449A1 - METHOD OF MANUFACTURING A TROUBLE FILM IN THERMOPLASTIC MATERIAL AND FILM THUS OBTAINED - Google Patents
METHOD OF MANUFACTURING A TROUBLE FILM IN THERMOPLASTIC MATERIAL AND FILM THUS OBTAINEDInfo
- Publication number
- FR2408449A1 FR2408449A1 FR7605531A FR7605531A FR2408449A1 FR 2408449 A1 FR2408449 A1 FR 2408449A1 FR 7605531 A FR7605531 A FR 7605531A FR 7605531 A FR7605531 A FR 7605531A FR 2408449 A1 FR2408449 A1 FR 2408449A1
- Authority
- FR
- France
- Prior art keywords
- film
- tube
- produce
- trouble
- manufacturing
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000012815 thermoplastic material Substances 0.000 title 1
- 230000002500 effect on skin Effects 0.000 abstract 2
- 230000001788 irregular Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000032696 parturition Effects 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/14—Organic dielectrics
- H01G4/18—Organic dielectrics of synthetic material, e.g. derivatives of cellulose
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
-
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- 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)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Laminated Bodies (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Organic Insulating Materials (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
PROCEDE CONDUISANT A UN FILM POSSEDANT UNE SURFACE IRREGULIERE DONT LES IRREGULARITES SE TROUVENT REPARTIES UNIFORMEMENT ET ONT UN RELIEF PREDETERMINE. IL CONSISTE EN CE QUE: A.ON COMMUNIQUE CONTINUELLEMENT UNE TEMPERATURE ELEVEE ET CONSTANTE A LA SURFACE EXTERIEURE DU TUBE 16 A UN ENDROIT PREDETERMINE ENTRE LA FILIERE ET LE FRONT DE SOLIDIFICATION, POUR PRODUIRE UN EFFET DE PEAU QUI APPARAIT SUR TOUTE LA SURFACE EXTERIEURE DU TUBE, CET EFFET DE PEAU DONNANT NAISSANCE A DES SPHEROLITHES DE STRUCTURE CRISTALLINE DE TYPE III DANS UNE COUCHE EXTERIEURE DE CE TUBE, B.ON INSUFFLE CE TUBE POUR PRODUIRE UNE BULLE 20 ORIENTEE BIAXIALEMENT ET C.ON APPLATIT ET ON COUPE CETTE BULLE POUR PRODUIRE LE FILM TROUBLE. APPLICATION A LA FABRICATION DE CONDENSATEUR.PROCESS LEADING TO A FILM HAVING AN IRREGULAR SURFACE OF WHICH THE IRREGULARITIES ARE DISTRIBUTED UNIFORMLY AND HAVE A PREDETERMINED SURFACE. IT CONSISTS OF: A. A CONTINUOUSLY HIGH AND CONSTANT TEMPERATURE IS COMMUNICATED TO THE OUTER SURFACE OF TUBE 16 AT A PREDETERMINED PLACE BETWEEN THE DIE AND THE SOLIDIFICATION FRONT, TO PRODUCE A SKIN EFFECT THAT APPEARS ON THE ENTIRE EXTERIOR SURFACE TUBE, THIS SKIN EFFECT GIVING BIRTH TO TYPE III CRYSTALLINE STRUCTURED SPHEROLITHES IN AN OUTER LAYER OF THIS TUBE, B. THIS TUBE IS BLOWN TO PRODUCE A BUBBLE 20 BIAXIALLY ORIENTED AND C. THIS BUBBLE IS APPLIED AND CUT TO PRODUCE THE TROUBLE FILM. APPLICATION TO CONDENSER MANUFACTURING.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55407075A | 1975-02-28 | 1975-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2408449A1 true FR2408449A1 (en) | 1979-06-08 |
FR2408449B1 FR2408449B1 (en) | 1980-05-30 |
Family
ID=24211948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7605531A Granted FR2408449A1 (en) | 1975-02-28 | 1976-02-27 | METHOD OF MANUFACTURING A TROUBLE FILM IN THERMOPLASTIC MATERIAL AND FILM THUS OBTAINED |
Country Status (7)
Country | Link |
---|---|
JP (2) | JPS6012217B2 (en) |
CA (1) | CA1053339A (en) |
DE (2) | DE2601810A1 (en) |
FI (1) | FI64534C (en) |
FR (1) | FR2408449A1 (en) |
GB (2) | GB1542671A (en) |
IT (1) | IT1055895B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4185148A (en) * | 1976-05-17 | 1980-01-22 | Mitsubishi Rayon Company Limited | Process for producing the polypropylene film for electrical appliances |
JPS5337774A (en) * | 1976-09-20 | 1978-04-07 | Toray Industries | Method of producing roughened polypropylene film |
DE2851557C2 (en) | 1978-11-29 | 1982-04-01 | Hoechst Ag, 6000 Frankfurt | Biaxially stretched polypropylene composite film for use as an electrical insulating film |
DE2942298C2 (en) * | 1979-10-19 | 1985-06-13 | Hoechst Ag, 6230 Frankfurt | Process for the production of a rough polypropylene electrical insulation film |
JPS56131921A (en) * | 1980-03-19 | 1981-10-15 | Sumitomo Chemical Co | Oil-immersed electric device |
EP0036457B1 (en) * | 1980-03-20 | 1985-02-20 | Mitsubishi Rayon Co., Ltd. | A method of producing a polypropylene film for electrical appliances |
JPS5750418A (en) * | 1980-09-10 | 1982-03-24 | Sumitomo Chemical Co | Oil-immersed electric device |
JPS59211908A (en) * | 1983-05-17 | 1984-11-30 | 株式会社東芝 | Oil-filled film capacitor |
JPS63146937U (en) * | 1987-03-18 | 1988-09-28 | ||
SG89427A1 (en) * | 2000-11-13 | 2002-06-18 | Sumitomo Chemical Co | Blown films and a method for producing the same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1479973A (en) * | 1966-05-16 | 1967-05-05 | Conditionnement Et Ind Sa | Process in particular for the extrusion of a non-slip plastic sheath, as well as the articles obtained from said sheath or similar sheath |
US3430116A (en) * | 1967-12-06 | 1969-02-25 | Hercules Inc | Electrical capacitors |
DE1704796B1 (en) * | 1967-05-10 | 1971-10-28 | Lentia Gmbh | PROCESS FOR THE PRODUCTION OF TUBE FILMS FROM POLYAETHYLENE |
DE2027992A1 (en) * | 1970-06-06 | 1971-12-16 | Schlayer Polydress Gmbh | Plastic tubular film - with roughened inner surfaces - preventing the sack sides from sticking together |
US3822333A (en) * | 1969-04-02 | 1974-07-02 | Chisso Corp | Process for producing shaped articles of crystalline polyolefins having a roughened surface |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3235632A (en) * | 1962-04-18 | 1966-02-15 | Dow Chemical Co | Process for producing biaxially oriented thermoplastic tubular film |
JPS4855253A (en) * | 1971-11-12 | 1973-08-03 | ||
JPS494773A (en) * | 1972-04-26 | 1974-01-16 | ||
JPS51636B2 (en) * | 1972-05-01 | 1976-01-09 | ||
IT1009956B (en) | 1973-06-12 | 1976-12-20 | Gen Electric | IMPREGNATING LIQUID CONSISTING OF A STABILIZED ESTER |
-
1976
- 1976-01-20 DE DE19762601810 patent/DE2601810A1/en active Granted
- 1976-01-20 DE DE2660907A patent/DE2660907C2/de not_active Expired
- 1976-01-26 GB GB762950A patent/GB1542671A/en not_active Expired
- 1976-01-26 GB GB76@@3680478A patent/GB1542672A/en not_active Expired
- 1976-02-18 IT IT20267/76A patent/IT1055895B/en active
- 1976-02-20 FI FI760442A patent/FI64534C/en not_active IP Right Cessation
- 1976-02-24 JP JP51018534A patent/JPS6012217B2/en not_active Expired
- 1976-02-27 CA CA246,696A patent/CA1053339A/en not_active Expired
- 1976-02-27 FR FR7605531A patent/FR2408449A1/en active Granted
-
1981
- 1981-07-02 JP JP56102338A patent/JPS5772819A/en active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1479973A (en) * | 1966-05-16 | 1967-05-05 | Conditionnement Et Ind Sa | Process in particular for the extrusion of a non-slip plastic sheath, as well as the articles obtained from said sheath or similar sheath |
DE1704796B1 (en) * | 1967-05-10 | 1971-10-28 | Lentia Gmbh | PROCESS FOR THE PRODUCTION OF TUBE FILMS FROM POLYAETHYLENE |
US3430116A (en) * | 1967-12-06 | 1969-02-25 | Hercules Inc | Electrical capacitors |
US3822333A (en) * | 1969-04-02 | 1974-07-02 | Chisso Corp | Process for producing shaped articles of crystalline polyolefins having a roughened surface |
DE2027992A1 (en) * | 1970-06-06 | 1971-12-16 | Schlayer Polydress Gmbh | Plastic tubular film - with roughened inner surfaces - preventing the sack sides from sticking together |
Also Published As
Publication number | Publication date |
---|---|
JPS626977B2 (en) | 1987-02-14 |
FI64534B (en) | 1983-08-31 |
JPS5772819A (en) | 1982-05-07 |
DE2660907C2 (en) | 1989-09-07 |
FI64534C (en) | 1983-12-12 |
JPS6012217B2 (en) | 1985-03-30 |
DE2601810A1 (en) | 1976-09-09 |
JPS51109982A (en) | 1976-09-29 |
DE2601810C2 (en) | 1988-08-11 |
FR2408449B1 (en) | 1980-05-30 |
CA1053339A (en) | 1979-04-24 |
FI760442A (en) | 1976-08-29 |
GB1542671A (en) | 1979-03-21 |
GB1542672A (en) | 1979-03-21 |
IT1055895B (en) | 1982-01-11 |
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