DE2601810C2 - - Google Patents
Info
- Publication number
- DE2601810C2 DE2601810C2 DE2601810A DE2601810A DE2601810C2 DE 2601810 C2 DE2601810 C2 DE 2601810C2 DE 2601810 A DE2601810 A DE 2601810A DE 2601810 A DE2601810 A DE 2601810A DE 2601810 C2 DE2601810 C2 DE 2601810C2
- Authority
- DE
- Germany
- Prior art keywords
- film
- hose
- tube
- polypropylene
- temperature
- 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
- 239000004743 Polypropylene Substances 0.000 claims description 30
- -1 polypropylene Polymers 0.000 claims description 30
- 229920001155 polypropylene Polymers 0.000 claims description 30
- 239000013078 crystal Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 239000012768 molten material Substances 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 239000012815 thermoplastic material Substances 0.000 claims 1
- 230000002500 effect on skin Effects 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 238000004252 FT/ICR mass spectrometry Methods 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 1
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 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)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Organic Insulating Materials (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55407075A | 1975-02-28 | 1975-02-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2601810A1 DE2601810A1 (de) | 1976-09-09 |
| DE2601810C2 true DE2601810C2 (US20050065096A1-20050324-C00034.png) | 1988-08-11 |
Family
ID=24211948
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762601810 Granted DE2601810A1 (de) | 1975-02-28 | 1976-01-20 | Schleieriger bzw. unklarer polypropylenfilm |
| DE2660907A Expired DE2660907C2 (US20050065096A1-20050324-C00034.png) | 1975-02-28 | 1976-01-20 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2660907A Expired DE2660907C2 (US20050065096A1-20050324-C00034.png) | 1975-02-28 | 1976-01-20 |
Country Status (7)
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 (de) * | 1978-11-29 | 1982-04-01 | Hoechst Ag, 6000 Frankfurt | Biaxial gestreckte Polypropylenverbundfolie zur Verwendung als Elektroisolierfolie |
| DE2942298C2 (de) * | 1979-10-19 | 1985-06-13 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Herstellung einer rauhen Polypropylen-Elektroisolierfolie |
| 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 (ja) * | 1983-05-17 | 1984-11-30 | 株式会社東芝 | 油入フイルムコンデンサ |
| JPS63146937U (US20050065096A1-20050324-C00034.png) * | 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 |
Family Cites Families (10)
| 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 |
| FR1479973A (fr) * | 1966-05-16 | 1967-05-05 | Conditionnement Et Ind Sa | Procédé notamment pour l'extrusion d'une gaine de matière plastique anti-dérapante, ainsi que les articles obtenus à partir de ladite gaine ou gaine similaire |
| DE1704796B1 (de) * | 1967-05-10 | 1971-10-28 | Lentia Gmbh | Verfahren zur herstellung von schlauchfolien aus polyaethylen |
| 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 |
| JPS4855253A (US20050065096A1-20050324-C00034.png) * | 1971-11-12 | 1973-08-03 | ||
| JPS494773A (US20050065096A1-20050324-C00034.png) * | 1972-04-26 | 1974-01-16 | ||
| JPS51636B2 (US20050065096A1-20050324-C00034.png) * | 1972-05-01 | 1976-01-09 | ||
| IT1009956B (it) * | 1973-06-12 | 1976-12-20 | Gen Electric | Liquido impregnante costituito da estere stabilizzato |
-
1976
- 1976-01-20 DE DE19762601810 patent/DE2601810A1/de 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/it active
- 1976-02-20 FI FI760442A patent/FI64534C/fi not_active IP Right Cessation
- 1976-02-24 JP JP51018534A patent/JPS6012217B2/ja not_active Expired
- 1976-02-27 CA CA246,696A patent/CA1053339A/en not_active Expired
- 1976-02-27 FR FR7605531A patent/FR2408449A1/fr active Granted
-
1981
- 1981-07-02 JP JP56102338A patent/JPS5772819A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FI760442A (US20050065096A1-20050324-C00034.png) | 1976-08-29 |
| JPS626977B2 (US20050065096A1-20050324-C00034.png) | 1987-02-14 |
| CA1053339A (en) | 1979-04-24 |
| GB1542671A (en) | 1979-03-21 |
| DE2660907C2 (US20050065096A1-20050324-C00034.png) | 1989-09-07 |
| JPS51109982A (US20050065096A1-20050324-C00034.png) | 1976-09-29 |
| JPS5772819A (en) | 1982-05-07 |
| FI64534C (fi) | 1983-12-12 |
| DE2601810A1 (de) | 1976-09-09 |
| FR2408449B1 (US20050065096A1-20050324-C00034.png) | 1980-05-30 |
| FR2408449A1 (fr) | 1979-06-08 |
| IT1055895B (it) | 1982-01-11 |
| JPS6012217B2 (ja) | 1985-03-30 |
| GB1542672A (en) | 1979-03-21 |
| FI64534B (fi) | 1983-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: B29D 7/24 |
|
| 8126 | Change of the secondary classification |
Ipc: B29D 7/02 |
|
| 8172 | Supplementary division/partition in: |
Ref country code: DE Ref document number: 2660907 Format of ref document f/p: P |
|
| Q171 | Divided out to: |
Ref country code: DE Ref document number: 2660907 |
|
| AH | Division in |
Ref country code: DE Ref document number: 2660907 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| AH | Division in |
Ref country code: DE Ref document number: 2660907 Format of ref document f/p: P |
|
| 8339 | Ceased/non-payment of the annual fee |