GB1542672A - Electrical capacitor - Google Patents

Electrical capacitor

Info

Publication number: GB1542672A
Authority: GB; United Kingdom
Prior art keywords: electrical capacitor; capacitor; electrical
Prior art date: 1975-02-28
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

Application number

GB76@@3680478A

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

General Electric Co

Original Assignee

General Electric Co

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.)

1975-02-28

Filing date

1976-01-26

Publication date

1979-03-21

1976-01-26 Application filed by General Electric Co filed Critical General Electric Co

1979-03-21 Publication of GB1542672A publication Critical patent/GB1542672A/en

Status Expired legal-status Critical Current

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)
Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Shaping Of Tube Ends By Bending Or Straightening (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)

GB76@@3680478A 1975-02-28 1976-01-26 Electrical capacitor Expired GB1542672A (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
GB1542672A true GB1542672A (en)	1979-03-21

Family

ID=24211948

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB76@@3680478A Expired GB1542672A (en)	1975-02-28	1976-01-26	Electrical capacitor
GB762950A Expired GB1542671A (en)	1975-02-28	1976-01-26	Method for making polypropylene film with a roughened surface

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB762950A Expired GB1542671A (en)	1975-02-28	1976-01-26	Method for making polypropylene film with a roughened surface

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
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

Family Cites Families (10)

* 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
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

1976
- 1976-01-20 DE DE2660907A patent/DE2660907C2/de not_active Expired
- 1976-01-20 DE DE19762601810 patent/DE2601810A1/en active Granted
- 1976-01-26 GB GB76@@3680478A patent/GB1542672A/en not_active Expired
- 1976-01-26 GB GB762950A patent/GB1542671A/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

Also Published As

Publication number	Publication date
FI64534B (en)	1983-08-31
DE2601810C2 (en)	1988-08-11
FR2408449A1 (en)	1979-06-08
FI64534C (en)	1983-12-12
JPS51109982A (en)	1976-09-29
GB1542671A (en)	1979-03-21
DE2601810A1 (en)	1976-09-09
JPS5772819A (en)	1982-05-07
DE2660907C2 (en)	1989-09-07
IT1055895B (en)	1982-01-11
FI760442A (en)	1976-08-29
CA1053339A (en)	1979-04-24
JPS6012217B2 (en)	1985-03-30
FR2408449B1 (en)	1980-05-30
JPS626977B2 (en)	1987-02-14

Publication	Publication Date	Title
GB1555588A (en)	1979-11-14	Electric capacitor
GB1542672A (en)	1979-03-21	Electrical capacitor
JPS5268517A (en)	1977-06-07	Electric innprinter
JPS529855A (en)	1977-01-25	Selffrestoring capacitor
GB1545205A (en)	1979-05-02	Electric fuse-links
JPS5231369A (en)	1977-03-09	Selffrecovering capacitor
JPS5226466A (en)	1977-02-28	Electrolytic capacitor
JPS526966A (en)	1977-01-19	Capacitor
GR66627B (en)	1981-04-03	Electric capacitors
JPS5272458A (en)	1977-06-16	Capacitor
GB1545934A (en)	1979-05-16	Electrical devices
IE44068L (en)	1977-03-02	Electrolytic capacitor
JPS5236751A (en)	1977-03-22	Capacitor
JPS523149A (en)	1977-01-11	Oillimpregnated capacitor
JPS5284450A (en)	1977-07-14	Foillrolled capacitor
JPS5264654A (en)	1977-05-28	Capacitor
JPS5254949A (en)	1977-05-04	Three terminal capacitor
JPS5213652A (en)	1977-02-02	Thickkfilm capacitor
JPS51150665A (en)	1976-12-24	Capacitor
JPS5238157A (en)	1977-03-24	Nonninductive capacitor
JPS5253258A (en)	1977-04-28	Capacitor
JPS51143866A (en)	1976-12-10	Electrolytic capacitor
GB1539404A (en)	1979-01-31	Electrical capacitors
JPS5258854A (en)	1977-05-14	Rolleddtype capacitor
JPS51125856A (en)	1976-11-02	Capacitor

Legal Events

Date	Code	Title	Description
1979-07-11	PS	Patent sealed [section 19, patents act 1949]
1979-11-07	49R	Reference inserted (sect. 9/1949)
1980-01-03	SP	Amendment (slips) printed
1996-02-21	PE20	Patent expired after termination of 20 years	Effective date: 19960125