Cable comprising a ptfe coating
OwnerEmmanuel Garraudinventor
Life of this patent
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Abstract
A cable having one or more cores coated in a coating comprising at least one layer (a) of a material based on polytetrafluoroethylene (PTFE) with 5% to 80% by weight filler, and at least one layer (b) of a material based on PTFE with less than 8% by weight filler, the layer (b) being positioned outside the layer (a), and also a method of preparing the cable and a kit for constructing the cable.
Claims26
A cable having one or more cores coated in a coating comprising:
- at least one layer (a) of a material based on polytetrafluoroethylene (PTFE) with 5% to 80% by weight filler;
- and
- at least one layer (b) of a material based on PTFE with less than 8% by weight filler;
- said at least one layer (b) being positioned outside said at least one layer (a), and said filler contents being expressed as a percentage relative to a total weight of said PTFE-based material.
A fabrication method for fabricating a cable having one or more cores coated in a coating, the method comprising:
- a step (i) of winding a first tape having a width and being made of a cured PTFE-based material including 5% to 80% by weight of filler, around said one or more core(s) in order to obtain an intermediate cable;
- and
- a subsequent step (ii) of coating said intermediate cable with a material based on raw PTFE including no filler or less than 8% by weight filler;
- said filler contents being expressed as a percentage relative to a total weight of said first tape or the PTFE-based material.
The use of a cable in the fabrication of an electrical circuit for aviation purposes, said cable having one or more cores coated in a coating comprising:
- at least one layer (a) of a material based on polytetrafluoroethylene (PTF) with 5% to 80% by weight filler;
- and
- at least one layer (b) of a material based on PTFE with less than 8% by weight filler;
- said at least one layer (b) being positioned outside said at least one layer (a), and said filler contents being expressed as a percentage relative to a total weight of said PTFE-based material;
- wherein said cable could be fabricated by a fabrication method comprising:
- a step (i) of winding a first tape having a width and being made of a cured PTFE-based material including 5% to 80% by weight of filler, around said one or more core(s) in order to obtain an intermediate cable;
- and
- a subsequent step (ii) of coating said intermediate cable with a material based on raw PTFE including no filler or less than 8% by weight filler;
- said filler contents being expressed as a percentage relative to a total weight of said first tape or the PTFE-based material;
- wherein said cable could also be fabricated from a kit comprising:
- at least one core;
- at least one tape of cured PTFE-based material having 5% to 80% by weight of filler;
- and
- at least one tape of raw PTFE-bused material having less than 8% by weight filler;
- said filler contents being expressed as percentages relative to a total weight of said PTFE-based material constituting said at least one tape.
Dependencies are inferred from the claim text.