FR2229132A1 - High-tension unit - with core and insulation separated by flexible polyure-thane layer with hollow sphere content - Google Patents

High-tension unit - with core and insulation separated by flexible polyure-thane layer with hollow sphere content

Info

Publication number
FR2229132A1
FR2229132A1 FR7415619A FR7415619A FR2229132A1 FR 2229132 A1 FR2229132 A1 FR 2229132A1 FR 7415619 A FR7415619 A FR 7415619A FR 7415619 A FR7415619 A FR 7415619A FR 2229132 A1 FR2229132 A1 FR 2229132A1
Authority
FR
France
Prior art keywords
core
hollow sphere
tension unit
thane
layer
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.)
Granted
Application number
FR7415619A
Other languages
English (en)
Other versions
FR2229132B1 (fr
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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Sprecher und Schuh AG
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 Sprecher und Schuh AG filed Critical Sprecher und Schuh AG
Publication of FR2229132A1 publication Critical patent/FR2229132A1/fr
Application granted granted Critical
Publication of FR2229132B1 publication Critical patent/FR2229132B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber

Landscapes

  • Organic Insulating Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)
FR7415619A 1973-05-07 1974-05-06 High-tension unit - with core and insulation separated by flexible polyure-thane layer with hollow sphere content Granted FR2229132A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH642273 1973-05-07

Publications (2)

Publication Number Publication Date
FR2229132A1 true FR2229132A1 (en) 1974-12-06
FR2229132B1 FR2229132B1 (fr) 1978-11-17

Family

ID=4309365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415619A Granted FR2229132A1 (en) 1973-05-07 1974-05-06 High-tension unit - with core and insulation separated by flexible polyure-thane layer with hollow sphere content

Country Status (2)

Country Link
CH (1) CH546006A (fr)
FR (1) FR2229132A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1349510A (fr) * 1962-01-11 1964-01-17 Dunlop Sa Procédé de fabrication de matières cellulaires élastiques et produits obtenus par ce procédé
GB1007486A (en) * 1960-06-28 1965-10-13 English Electric Co Ltd Improvements in or relating to electric switchgear
US3615972A (en) * 1967-04-28 1971-10-26 Dow Chemical Co Expansible thermoplastic polymer particles containing volatile fluid foaming agent and method of foaming the same
CH526198A (de) * 1971-01-12 1972-07-31 Bbc Brown Boveri & Cie Flüssigkeitsarmer Freiluft-Leistungsschalter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1007486A (en) * 1960-06-28 1965-10-13 English Electric Co Ltd Improvements in or relating to electric switchgear
FR1349510A (fr) * 1962-01-11 1964-01-17 Dunlop Sa Procédé de fabrication de matières cellulaires élastiques et produits obtenus par ce procédé
US3615972A (en) * 1967-04-28 1971-10-26 Dow Chemical Co Expansible thermoplastic polymer particles containing volatile fluid foaming agent and method of foaming the same
CH526198A (de) * 1971-01-12 1972-07-31 Bbc Brown Boveri & Cie Flüssigkeitsarmer Freiluft-Leistungsschalter

Also Published As

Publication number Publication date
FR2229132B1 (fr) 1978-11-17
CH546006A (fr) 1974-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse