Insulated electrical conductor with preserved functionality in case of fire
AssigneeNexans
InventorsReinhold Goeblmaier, Ferdinand Groegl
Life of this patent
Estimating the term…
Abstract
An insulated electrical conductor with preserved functionality in case of fire includes a metallic conductor, a first glass and/or mica containing layer, which is applied to the conductor, and a second plastic layer sheathing the first layer. The first layer consists of at least two longitudinally introduced strips of glass and/or mica applied to the conductor, the width of which is selected such that each of the strips overlaps itself by at least 50%.
Claims8
An insulated electrical conductor with preserved functionality in case of fire, comprising:
- a metallic conductor,
- a first layer applied to said conductor, and
- a second plastic layer sheathing the first layer,
- wherein the first layer is made of at least two longitudinally introduced tapes containing at least one of glass and mica, which are applied to the conductor,
- wherein the width of said longitudinally introduced tapes is selected such that each of the at least two longitudinally introduced tapes overlaps itself by at least 50%, and
- wherein at least one tape or thread of a high-tensile, flame resistant material is helically applied to the first layer and
- wherein, with the use of said two longitudinally introduced tapes, an overlap area of a first of said two rapes is offset by 180° in relation to an overlap area of a second tape of said two longitudinally introduced tapes.
An insulated electrical conductor with preserved functionality in case of fire, comprising:
- a metallic conductor,
- a first layer applied to said conductor, and
- a second plastic layer sheathing the first layer,
- wherein the first layer is made of at least two longitudinally introduced tapes containing at least one of glass and mica, which are applied to the conductor,
- wherein the width of said longitudinally introduced tapes is selected such that each of the at least two longitudinally introduced tapes overlaps itself by at least 50%, and
- wherein at least one tape or thread of a high-tensile, flame resistant material is helically applied to the first layer, and
- wherein said at least two longitudinally introduced tapes are in direct contact with each other.
Dependencies are inferred from the claim text.