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GB1426575A - Electrical insulation - Google Patents

Electrical insulation

Info

Publication number
GB1426575A
GB1426575A GB2797873A GB2797873A GB1426575A GB 1426575 A GB1426575 A GB 1426575A GB 2797873 A GB2797873 A GB 2797873A GB 2797873 A GB2797873 A GB 2797873A GB 1426575 A GB1426575 A GB 1426575A
Authority
GB
United Kingdom
Prior art keywords
yarns
polymer film
paper
june
superimposed
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
Application number
GB2797873A
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.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB1426575A publication Critical patent/GB1426575A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/06—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to a fibrous or filamentary layer
    • 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
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/04—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica
    • 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
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/02—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica the layer of fibres or particles being impregnated or embedded in a plastic substance
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • H01B3/422—Linear saturated polyesters derived from dicarboxylic acids and dihydroxy compounds
    • H01B3/423—Linear aromatic polyesters
    • 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
    • H01B3/46—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 silicones
    • 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
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/206—Insulating
    • 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
    • B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
    • B32B2315/10—Mica
    • 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
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24132—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in different layers or components parallel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249926—Including paper layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/251—Mica
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Insulating Bodies (AREA)
  • Organic Insulating Materials (AREA)
  • Inorganic Insulating Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

1426575 Laminated tapes GENERAL ELECTRIC CO 12 June 1973 [12 June 1972] 27978/73 Heading B5N [Also in Division H1] An electrical insulating tape comprises a layer 2 of resin-inpregnated micaceous paper, superimposed thereon a plurality of flattened glass yarns 3 disposed in spaced, generally lengthwise parallel fashion, and superimposed thereon a layer 4 of polymer film. The polymer film may be a polyester, e.g. polyethylene terephthalate, polysulphone, polyethylene, polypropylene, polybutylene, polystyrene, polyvinyl acetal, polyacrylate, cellulose acetate, cellulose acetobutyrate or polycarbonate. The impregnating resin, which may also be used for bonding the yarns to the impregnated paper and for bonding the polymer film to the yarns may comprise a catalysed solution in xylene of a silanol stopped dimethyl polysiloxane. The glass yarns may be flattened by passing an assembly of the yarns adhesively bonded to the paper and after curing of the impregnant, through a pair of nip rollers prior to the application of the adhesive coated polymer film.
GB2797873A 1972-06-12 1973-06-12 Electrical insulation Expired GB1426575A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26211372 US3867245A (en) 1972-06-12 1972-06-12 Electrical insulation
CA174,435A CA988405A (en) 1972-06-12 1973-06-19 Glass mica laminates

Publications (1)

Publication Number Publication Date
GB1426575A true GB1426575A (en) 1976-03-03

Family

ID=25667296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2797873A Expired GB1426575A (en) 1972-06-12 1973-06-12 Electrical insulation

Country Status (8)

Country Link
US (1) US3867245A (en)
CA (1) CA988405A (en)
CH (1) CH558979A (en)
DE (1) DE2329532C3 (en)
FR (1) FR2188258B1 (en)
GB (1) GB1426575A (en)
NL (1) NL175563C (en)
SE (1) SE412974B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2588711A1 (en) * 1985-10-11 1987-04-17 Cableco Sa Plate for induction-heated cooking hob and cooking pan usable with such a hob
EP0672521A1 (en) * 1994-03-18 1995-09-20 Hitachi, Ltd. Composite thin film insulator, manufacturing method thereof, and electric rotating machines using the composite thin film insulator

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4091139A (en) * 1975-09-17 1978-05-23 Westinghouse Electric Corp. Semiconductor binding tape and an electrical member wrapped therewith
CA1116676A (en) * 1977-06-10 1982-01-19 Lambert Egger Heat strip or panel
US4265953A (en) * 1979-03-07 1981-05-05 Minnesota Mining And Manufacturing Company Intumescent stressed skin composite material
US4407876A (en) * 1979-08-08 1983-10-04 Malcolm Otty Electrical insulating stitch bonded material
US4286010A (en) * 1979-10-05 1981-08-25 Essex Group, Inc. Insulating mica paper and tapes thereof
US4381327A (en) * 1980-10-06 1983-04-26 Dennison Manufacturing Company Mica-foil laminations
US4307145A (en) * 1981-02-11 1981-12-22 Goldman Daniel S Decorative fabric and method of making the same
JPS5884879A (en) * 1981-11-16 1983-05-21 Sugawara Kogyo Kk Adhesive tape
FR2591793B1 (en) * 1985-12-13 1988-08-12 Alsthom ELECTRICALLY INSULATING AND FIRE-RESISTANT MICACE TAPE, ESPECIALLY FOR ELECTRIC OR FIBER OPTIC CABLE
US4868035A (en) * 1988-05-16 1989-09-19 Weinberg Martin J Electrical insulating materials made partly or wholly of polyester film
FR2640288B1 (en) * 1988-12-13 1993-06-18 Rhone Poulenc Fibres NON-WOVEN TABLECLOTH SUPPORT IN CHEMICAL TEXTILE AND METHOD OF MANUFACTURING THE SAME
TW224508B (en) * 1991-03-15 1994-06-01 Toshiba Co Ltd
US5205037A (en) * 1991-03-15 1993-04-27 Kabushiki Kaisha Toshiba Method of making a heat exchange element
AU2007202399A1 (en) * 2007-05-25 2008-12-11 Hopkins, Jason Andrew Mr Manufacturing process for thermoelectric generators
US10199136B2 (en) * 2014-01-29 2019-02-05 Mitsubishi Electric Corporation Insulating tape and production method thereof, stator coil and production method thereof, and rotating electric machine
KR102007446B1 (en) * 2018-05-21 2019-10-21 해성디에스 주식회사 Sensor unit, temperature sensor including the same, method of manufacturing the sensor unit, and temperature sensor manufactured using the same
US11791684B2 (en) 2020-07-02 2023-10-17 Ge Aviation Systems Llc Method and system for electrically insulating portions of an electric machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089026B (en) * 1958-06-19 1960-09-15 Asea Ab Insulation for high voltage conductors
US3019286A (en) * 1958-06-19 1962-01-30 Asea Ab Insulated electrical conductors and process for producing same
JPS4323029B1 (en) * 1962-03-27 1968-10-03
CH416771A (en) * 1963-03-14 1966-07-15 Schweizerische Isolawerke Supple wrapping tape
DE1241509B (en) * 1965-02-27 1967-06-01 Siemens Ag Electric Isolation
US3539438A (en) * 1967-06-12 1970-11-10 Minnesota Mining & Mfg Electrically insulative polymer impregnated,mica-paper tape
US3560320A (en) * 1967-10-05 1971-02-02 Gen Electric Insulating material
US3523061A (en) * 1969-06-20 1970-08-04 Minnesota Mining & Mfg Porous sheet materials of mica and unfused staple fibers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2588711A1 (en) * 1985-10-11 1987-04-17 Cableco Sa Plate for induction-heated cooking hob and cooking pan usable with such a hob
EP0672521A1 (en) * 1994-03-18 1995-09-20 Hitachi, Ltd. Composite thin film insulator, manufacturing method thereof, and electric rotating machines using the composite thin film insulator

Also Published As

Publication number Publication date
DE2329532B2 (en) 1981-01-15
DE2329532C3 (en) 1982-10-07
US3867245A (en) 1975-02-18
DE2329532A1 (en) 1974-01-03
CA988405A (en) 1976-05-04
NL175563B (en) 1984-06-18
FR2188258B1 (en) 1979-01-26
NL7307943A (en) 1973-12-14
NL175563C (en) 1984-11-16
FR2188258A1 (en) 1974-01-18
CH558979A (en) 1975-02-14
SE412974B (en) 1980-03-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee