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US 9,142,334 B2Granted
Foamed electrical wire and a method of producing the same
AssigneeFurukawa Electric Co., Ltd.
InventorsDaisuke Muto, Makoto Oya, Yousuke Kokubo, Akira Tanaka
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Abstract
A foamed electrical wire, containing: a conductor; and a foamed insulating layer; in which the foamed insulating layer comprises a thermoplastic resin that is a crystalline thermoplastic resin having a melting point of 150° C. or more or a non-crystalline thermoplastic resin having a glass transition temperature of 150° C. or more, and the average bubble diameter of the foamed insulating layer is 5 μm or less.
Claims14
A foamed electrical wire, comprising:
- a conductor;
- and
- a foamed insulating layer;
- wherein the foamed insulating layer comprises a resin, which is only one resin selected from the group consisting of polyphenylene sulfide, polyethylene naphthalate, polyether ether ketone and thermoplastic polyimide, and
- wherein an average diameter of bubbles formed in the resin of the foamed insulating layer is 5 μm or less.
2 more elements
A method of producing a foamed electrical wire, comprising a step of:
- coating a conductor with an insulating layer;
- and
- foaming the insulating;
- wherein the foamed insulating layer comprises a resin, which is only one resin selected from the group consisting of polyphenylene sulfide, polyethylene naphthalate, polyether ether ketone and thermoplastic polyimide, and
- wherein an average diameter of bubbles formed in the resin of the foamed insulating layer is 5 μm or less.
2 more elements
Dependencies are inferred from the claim text.