FI64534C - Blaosfoerfarande foer framstaellning av en polypropylenfilm me en straev yta - Google Patents

Blaosfoerfarande foer framstaellning av en polypropylenfilm me en straev yta Download PDF

Info

Publication number
FI64534C
FI64534C FI760442A FI760442A FI64534C FI 64534 C FI64534 C FI 64534C FI 760442 A FI760442 A FI 760442A FI 760442 A FI760442 A FI 760442A FI 64534 C FI64534 C FI 64534C
Authority
FI
Finland
Prior art keywords
tube
film
roughness
polypropylene
rough
Prior art date
Application number
FI760442A
Other languages
English (en)
Finnish (fi)
Other versions
FI760442A7 (OSRAM
FI64534B (fi
Inventor
John Walker Eustance
Emilie Lucille Carley
Stanley Young Hobbs
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
Publication of FI760442A7 publication Critical patent/FI760442A7/fi
Priority to FI791510A priority Critical patent/FI74837C/fi
Application granted granted Critical
Publication of FI64534B publication Critical patent/FI64534B/fi
Publication of FI64534C publication Critical patent/FI64534C/fi

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)
FI760442A 1975-02-28 1976-02-20 Blaosfoerfarande foer framstaellning av en polypropylenfilm me en straev yta FI64534C (fi)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI791510A FI74837C (fi) 1975-02-28 1979-05-11 Elektrisk kondensator.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55407075A 1975-02-28 1975-02-28
US55407075 1975-02-28

Publications (3)

Publication Number Publication Date
FI760442A7 FI760442A7 (OSRAM) 1976-08-29
FI64534B FI64534B (fi) 1983-08-31
FI64534C true FI64534C (fi) 1983-12-12

Family

ID=24211948

Family Applications (1)

Application Number Title Priority Date Filing Date
FI760442A FI64534C (fi) 1975-02-28 1976-02-20 Blaosfoerfarande foer framstaellning av en polypropylenfilm me en straev yta

Country Status (7)

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

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 (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
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 (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 (OSRAM) * 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 (de) * 1962-09-11 1968-03-28 Nihonbashi Muromachi Verfahren zur Herstellung von thermoplastischen Kunststoffolien mit rauher Oberflaeche
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 (OSRAM) * 1971-11-12 1973-08-03
JPS494773A (OSRAM) * 1972-04-26 1974-01-16
JPS51636B2 (OSRAM) * 1972-05-01 1976-01-09
IT1009956B (it) 1973-06-12 1976-12-20 Gen Electric Liquido impregnante costituito da estere stabilizzato

Also Published As

Publication number Publication date
JPS5772819A (en) 1982-05-07
FI760442A7 (OSRAM) 1976-08-29
JPS626977B2 (OSRAM) 1987-02-14
DE2660907C2 (OSRAM) 1989-09-07
GB1542672A (en) 1979-03-21
CA1053339A (en) 1979-04-24
JPS6012217B2 (ja) 1985-03-30
FR2408449B1 (OSRAM) 1980-05-30
DE2601810C2 (OSRAM) 1988-08-11
FR2408449A1 (fr) 1979-06-08
FI64534B (fi) 1983-08-31
DE2601810A1 (de) 1976-09-09
GB1542671A (en) 1979-03-21
IT1055895B (it) 1982-01-11
JPS51109982A (OSRAM) 1976-09-29

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Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: GENERAL ELECTRIC COMPANY