Signal transmitting cable

A cable assembly capable of being installed into a tube by means of blowing, said cable assembly comprising a plurality of flexible signal transmitting members arranged such that neighboring signal transmitting members are in touching contact with each other, said signal transmitting members being surrounded by a first layer, wherein axial movement of at least the outermost of said signal transmitting members relative to said first layer is substantially prevented restricted, and further comprising a continuous thermoplastic polymer second outermost layer arranged outwardly of said first layer, said second outermost layer having a thickness of less than 400 microns around at least 10% of the circumference of said cable assembly.

A cable assembly that can be installed into a tube by blowing using compressed fluid, said cable assembly comprising a plurality of flexible signal transmitting members surrounded by a first layer such that axial movement of at least the outermost signal transmitting members relative to said first layer is restricted, and further comprising a continuous thermoplastic polymer second outermost layer arranged outwardly of said first layer and adapted to be removed from said first layer by sliding over said first layer, wherein when the tube has an internal diameter of 3.5 mm, an external diameter of 5 mm, a length of 500 meters, the tube is wound onto a drum having a barrel diameter of 500 mm, the compressed fluid comprises compressed air and said cable is installed by blowing compressed air into the tube at 10 bar pressure the speed at which the cable is installed by blowing into the tube is at least 10 meters per minute after at least 200 meters of said cable has been installed.

A cable assembly, comprising a plurality of flexible signal transmitting members surrounded by a first layer, wherein axial movement of at least the outermost of said signal transmitting members relative to said first layer is restricted, and further comprising a continuous thermoplastic polymer outermost layer arranged outwardly of said first layer, wherein the hardness of the polymer of said outermost layer is greater than or equal to a Shore D hardness of 60, and wherein said cable is capable of being installed into a conduit by blowing of a compressed fluid, wherein when the conduit has an internal diameter of 3.5 mm, an external diameter of 5 mm, a length of 500 meters, the conduit is wound onto a drum having a barrel diameter of 500 mm, the compressed fluid comprises compressed air and said cable is installed by blowing compressed air into the conduit at 10 bar pressure the speed at which the cable is installed by blowing into the conduit is at least 10 meters per minute after at least 300 meters of said cable has been installed.

A cable assembly, comprising a plurality of flexible signal transmitting members surrounded by a first layer, wherein axial movement of at least the outermost of said signal transmitting members relative to said first layer is restricted, and further comprising a continuous thermoplastic polymer outermost layer arranged outwardly of said first layer, wherein the hardness of the polymer of said outermost layer is greater than or equal to a Shore D hardness of 60, and wherein said cable is capable of being installed into a conduit by blowing of a compressed fluid, wherein when said cable comprises 12 of said signal transmitting members, and wherein when the conduit has an internal diameter of 3.5 mm, an external diameter of 5 mm, a length of 500 meters, the conduit is wound onto a drum having a barrel diameter of 500 mm, the compressed fluid comprises compressed air and said cable is installed by blowing compressed air into the conduit at 10 bar pressure said cable will be inserted into the conduit at least 100 meters.

A cable assembly, comprising a plurality of flexible signal transmitting members surrounded by a first layer, wherein axial movement of at least the outermost of said signal transmitting members relative to said first layer is restricted, and further comprising a continuous thermoplastic polymer outermost layer arranged outwardly of said first layer, wherein the hardness of the polymer of said outermost layer is greater than or equal to a Shore D hardness of 60, and wherein said cable is capable of being installed into a conduit by blowing of a compressed fluid, wherein said cable is capable of being installed by blowing into a conduit having an internal diameter of 3.5 mm, an external diameter of 5 mm, the conduit being wound onto a drum having a diameter of 500 mm, wherein when said cable is inserted by blowing into the conduit at 10 bar pressure the speed at which the cable is inserted by blowing into the conduit is at least 10 meters per minute after at least 430 meters of said cable has been installed.

A cable assembly, comprising a plurality of flexible signal transmitting members surrounded by a first layer, wherein axial movement of at least the outermost of said signal transmitting members relative to said first layer is restricted, and further comprising a continuous thermoplastic polymer outermost layer arranged outwardly of said first layer, wherein the hardness of the polymer of said outermost layer is greater than or equal to a Shore D hardness of 60, and wherein said cable is capable of being installed into a conduit by blowing of a compressed fluid, wherein when said cable comprises 12 of said signal transmitting members it is capable of being installed by blowing into a conduit having an internal diameter of 3.5 mm, an external diameter of 5 mm, the conduit being wound onto a drum having a diameter of 500 mm, wherein when said cable is inserted by blowing at 10 bar pressure said cable will be inserted into the conduit at least 375 meters.

A cable assembly, comprising a plurality of flexible signal transmitting members surrounded by a first layer, wherein axial movement of at least the outermost of said signal transmitting members relative to said first layer is restricted, and further comprising a continuous thermoplastic polymer outermost layer arranged outwardly of said first layer, wherein the hardness of the polymer of said outermost layer is greater than or equal to a Shore D hardness of 60, wherein said cable is capable of being installed into a conduit by blowing of a compressed fluid, and wherein when the conduit has an internal diameter of 3.5 mm, an external diameter of 5 mm, a length of 500 meters, the conduit is wound onto a drum having a barrel diameter of 500 mm, the compressed fluid comprises compressed air and said cable is installed by blowing compressed air into the conduit at 10 bar pressure the speed at which the cable is installed by blowing into the conduit is at least 10 meters per minute after at least 200 meters of said cable has been installed.