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EP0211505A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Electrically insulating tape

Assignee: Junkosha Co Ltd
•
Filing: 1986-06-25
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Granted: —
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Expires: 2006-06-25
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Abstract

Abstract A flexible, high voltage electrically insulating tape comprises a tape of expanded porous polytetrafluoroethylene (PTFE) having a fluoroelastomer impregnated within the pores thereof at at least one surface of the PTFE tape.

Inventors

  • 👤 Yoshiaki Sato

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-25 23:52
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; C08J9/40; C08J9/42; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/443; H01B3/445; C08J2327/00; C08J2327/02; C08J2327/12; C08J2327/18; C08J2427/00

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 29 words
An electrically insulating tape comprising a tape of porous expanded polytetrafluoroethylene in which the pores of said tape at at least one surface thereof are impregnated with a fluoroelastomer.
Claim 2
Dependent Claim 29 words
An electrically insulating tape comprising a tape of porous expanded polytetrafluoroethylene in which the pores of said tape at at least one surface thereof are impregnated with a fluoroelastomer.
Claim 3
Dependent Claim 24 words
An insulating tape according to claim 1 wherein said fluoroelastomer extends into the tape of porous expanded polytetrafluoroethylene only partially through the thickness thereof.
Claim 4
Dependent Claim 13 words
An insulating tape according to claim 1 wherein said fluoroelastomer contains a pigment.
Claim 5
Independent Claim 36 words
A method of making an electrically insulating tape comprising: (a) applying an uncured fluoroelastomeric paint containing a vulcanizing agent to at least one surface of a tape of porous expanded polytetrafluoroethylene, and (b) curing the paint.
Claim 6
Independent Claim 36 words
A method of making an electrically insulating tape comprising: (a) applying an uncured fluoroelastomeric paint containing a vulcanizing agent to at least one surface of a tape of porous expanded polytetrafluoroethylene, and (b) curing the paint.
Claim 7
Dependent Claim 33 words
A conductor having an electrically insulating tape wound thereon, said tape being of porous expanded polytetrafluoroethylene in which the pores at at least one surface of the tape are impregnated with a fluoroelastomer.
Claim 8
Dependent Claim 33 words
A conductor having an electrically insulating tape wound thereon, said tape being of porous expanded polytetrafluoroethylene in which the pores at at least one surface of the tape are impregnated with a fluoroelastomer.

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