DE3786335D1 - Pressspan mit niedriger dielektrischer konstante fuer oelimpregnierte isolierung. - Google Patents

Pressspan mit niedriger dielektrischer konstante fuer oelimpregnierte isolierung.

Info

Publication number
DE3786335D1
DE3786335D1 DE8787117570T DE3786335T DE3786335D1 DE 3786335 D1 DE3786335 D1 DE 3786335D1 DE 8787117570 T DE8787117570 T DE 8787117570T DE 3786335 T DE3786335 T DE 3786335T DE 3786335 D1 DE3786335 D1 DE 3786335D1
Authority
DE
Germany
Prior art keywords
oil
dielectric constant
low dielectric
pressing board
constant pressing
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 - Fee Related
Application number
DE8787117570T
Other languages
English (en)
Other versions
DE3786335T2 (de
Inventor
Kenji Hyodo
Masaoki Nozaki
Humihiko Ishizuka
Etsuo Ooe
Hideo Tsukioka
Ichitaro Tani
Yuzuru Kamata
Kaoru Endo
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.)
Hitachi Ltd
Mitsubishi Paper Mills Ltd
Original Assignee
Hitachi Ltd
Mitsubishi Paper Mills Ltd
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
Priority claimed from JP61283301A external-priority patent/JPH0644411B2/ja
Priority claimed from JP61295790A external-priority patent/JPH0673249B2/ja
Priority claimed from JP61309750A external-priority patent/JP2634589B2/ja
Priority claimed from JP18092687A external-priority patent/JPS6427112A/ja
Application filed by Hitachi Ltd, Mitsubishi Paper Mills Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3786335D1 publication Critical patent/DE3786335D1/de
Publication of DE3786335T2 publication Critical patent/DE3786335T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
    • H01B3/421—Polyesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/008—Other insulating material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/185—Substances or derivates of cellulose
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
    • H01B3/52—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials wood; paper; press board
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/24—Polyesters

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Insulating Materials (AREA)
  • Paper (AREA)
DE19873786335 1986-11-28 1987-11-27 Pressspan mit niedriger dielektrischer Konstante für ölimpregnierte Isolierung. Expired - Fee Related DE3786335T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP61283301A JPH0644411B2 (ja) 1986-11-28 1986-11-28 低誘電率油浸絶縁用プレスボ−ド
JP61295790A JPH0673249B2 (ja) 1986-12-12 1986-12-12 低誘電率油浸絶縁用プレスボ−ド
JP61309750A JP2634589B2 (ja) 1986-12-24 1986-12-24 低誘電率油浸絶縁用プレスボード
JP18092687A JPS6427112A (en) 1987-07-22 1987-07-22 Low permittivity oil immersed insulating press board

Publications (2)

Publication Number Publication Date
DE3786335D1 true DE3786335D1 (de) 1993-07-29
DE3786335T2 DE3786335T2 (de) 1993-09-30

Family

ID=27474966

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873786335 Expired - Fee Related DE3786335T2 (de) 1986-11-28 1987-11-27 Pressspan mit niedriger dielektrischer Konstante für ölimpregnierte Isolierung.

Country Status (2)

Country Link
EP (1) EP0272497B1 (de)
DE (1) DE3786335T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314620A1 (de) * 1993-05-04 1994-11-10 Basf Ag Elektroisolationspapier
ATE478425T1 (de) 2007-12-27 2010-09-15 Abb Research Ltd Elektrisches isoliermaterial, elektrische vorrichtung mit dem isoliermaterial und wandler
US8085120B2 (en) * 2009-08-13 2011-12-27 Waukesha Electric Systems, Incorporated Solid insulation for fluid-filled transformer and method of fabrication thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54137082A (en) * 1978-04-18 1979-10-24 Mitsui Petrochem Ind Ltd Laminate and its manufacturing method
GB2021037B (en) * 1978-05-08 1982-06-03 Solvay Laminated structure for furnishing comprising at least onedecorative layer combined with a support
JPS57168418A (en) * 1981-04-07 1982-10-16 Tomoegawa Paper Co Ltd Method of producing electrically insulating sheet
JPH0718116B2 (ja) * 1985-12-27 1995-03-01 三菱製紙株式会社 低誘電率油浸絶縁用プレスボ−ド

Also Published As

Publication number Publication date
EP0272497A2 (de) 1988-06-29
EP0272497A3 (en) 1990-01-31
DE3786335T2 (de) 1993-09-30
EP0272497B1 (de) 1993-06-23

Similar Documents

Publication Publication Date Title
ES1003797Y (es) Un conectador electrico.
DE3788950D1 (de) Elektrische leitfähige substituierte Polyisothianaphthene.
ES1004786Y (es) Un conectador electrico.
DE3587202D1 (de) Elektrische isolierungsschaltung.
ATE9631T1 (de) Anschlussklemme fuer schaltplatten.
DE3752150D1 (de) Elektrische Isolierölmischung
AR229355A1 (es) Conector electrico para conductor aislado
DE3779407D1 (de) Isolationsverschiebungssteckverbinder fuer einzelleiterkabel.
NO871394L (no) Elektrisk kontakt-enhet.
DE3782027D1 (de) Elektronischer schalter fuer sehr hohe frequenzen.
DE3751965D1 (de) Elektrische Isolierölmischung
DE3782380D1 (de) Elektrische bauteile mit angefuegten leitenden verbindungsstuecken.
DE3763705D1 (de) Gehaeuse fuer elektrische geraete.
DE3579611D1 (de) Leitermaterialien fuer halbleiteranordnungen.
NO861792L (no) Styrekrets.
JPS5666086A (en) Electrically insulating board
DE3788549D1 (de) Elektrisches Isoliermaterial.
DE3786335D1 (de) Pressspan mit niedriger dielektrischer konstante fuer oelimpregnierte isolierung.
BR8700535A (pt) Dispositivo para ligacao eletricamente condutora
DE68924294D1 (de) Elektrische Isolierölzusammensetzung.
DE3750678D1 (de) Isolierung verdrängender Verbinder.
ATE24626T1 (de) Elektrische isolierungen.
ES546448A0 (es) Procedimiento para la fabricacion de un dispositivo conector electrico.
NL191797C (nl) Dakisolatieplaat.
JPS57114299A (en) Electrically insulating board

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee