IT1055895B - THIN OPERATED TAPE OF POLY PROPYLENE ESPECIALLY SUITABLE FOR ELECTRIC CAPACITORS - Google Patents

THIN OPERATED TAPE OF POLY PROPYLENE ESPECIALLY SUITABLE FOR ELECTRIC CAPACITORS

Info

Publication number
IT1055895B
IT1055895B IT20267/76A IT2026776A IT1055895B IT 1055895 B IT1055895 B IT 1055895B IT 20267/76 A IT20267/76 A IT 20267/76A IT 2026776 A IT2026776 A IT 2026776A IT 1055895 B IT1055895 B IT 1055895B
Authority
IT
Italy
Prior art keywords
thin
especially suitable
poly propylene
electric capacitors
operated tape
Prior art date
Application number
IT20267/76A
Other languages
Italian (it)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1055895B publication Critical patent/IT1055895B/en

Links

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)
  • Mechanical Engineering (AREA)
  • Power 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)
IT20267/76A 1975-02-28 1976-02-18 THIN OPERATED TAPE OF POLY PROPYLENE ESPECIALLY SUITABLE FOR ELECTRIC CAPACITORS IT1055895B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55407075A 1975-02-28 1975-02-28

Publications (1)

Publication Number Publication Date
IT1055895B true IT1055895B (en) 1982-01-11

Family

ID=24211948

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20267/76A IT1055895B (en) 1975-02-28 1976-02-18 THIN OPERATED TAPE OF POLY PROPYLENE ESPECIALLY SUITABLE FOR ELECTRIC CAPACITORS

Country Status (7)

Country Link
JP (2) JPS6012217B2 (en)
CA (1) CA1053339A (en)
DE (2) DE2660907C2 (en)
FI (1) FI64534C (en)
FR (1) FR2408449A1 (en)
GB (2) GB1542672A (en)
IT (1) IT1055895B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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
DE3070192D1 (en) * 1980-03-20 1985-03-28 Mitsubishi Rayon Co 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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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
DE1264746B (en) * 1962-09-11 1968-03-28 Nihonbashi Muromachi Process for the production of thermoplastic plastic films with a rough surface
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
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

Also Published As

Publication number Publication date
JPS5772819A (en) 1982-05-07
FI760442A7 (en) 1976-08-29
FI64534C (en) 1983-12-12
JPS626977B2 (en) 1987-02-14
DE2660907C2 (en) 1989-09-07
GB1542672A (en) 1979-03-21
CA1053339A (en) 1979-04-24
JPS6012217B2 (en) 1985-03-30
FR2408449B1 (en) 1980-05-30
DE2601810C2 (en) 1988-08-11
FR2408449A1 (en) 1979-06-08
FI64534B (en) 1983-08-31
DE2601810A1 (en) 1976-09-09
GB1542671A (en) 1979-03-21
JPS51109982A (en) 1976-09-29

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