Abstract: A cable includes cable one or more conductors and a covering surrounding the one or more conductors. The covering is formed from a composition including polyethylene and a polyolefin elastomer, where the composition is crosslinked. A method of forming the cable is also provided.

Abstract: An optical fibre comprising: an optical waveguide comprising a glass core surrounded by a glass cladding; a coating surrounding said optical waveguide comprising a polymer material comprising a cured polyester obtained by: (a) esterification of a reactant (A) selected from carboxylic acids, triglycerides, and mixtures thereof, having a C16-C24 aliphatic chain comprising at least two conjugated double bonds, with a reactant (B) selected from polyols having at least 3 hydroxyl groups, the polyols being thermally stable up to 300° C.; (b) curing of the 10 so obtained polyester, in the presence of a transition metal salt, the transition metal being selected from Mn, Fe, Co, Cu, and Ni. Preferably, the step of curing is a thermal curing, preferably up to 300° C. The transition metal salt acts as curing accelerator, i.e.

Abstract: A method of tracking rotations of a drum includes activating a three axis accelerometer located on a side of the drum, measuring linear accelerations along three orthogonal axes using the accelerometer, determining whether a predetermined angle of the drum has been rotated based on the measured linear accelerations from the accelerometer, activating a gyroscope when it is determined that the predetermined angle of the drum has been rotated, measuring angular speed at the gyroscope, calculating a number of rotations of the drum from the measured angular speed, and deactivating the gyroscope when it is determined that the measured angular speed is lower than a noise floor level.

Abstract: A charging system for an electric energy storage includes a cable assembly and a plug transition between the cable assembly and the electric energy storage. The cable assembly includes a cable provided with at least two separate power conductors and at least one earth conductor. The power conductors are spaced apart from each other within the cable, with each surrounding at least one tube and including a plurality of intertwisted wires stranded around the tube. The cable assembly also includes at least two separate cooling circuits within the cable, namely a first cooling circuit having a cooling fluid in the tubes surrounded by the power conductors, and a second cooling circuit having a cooling fluid in auxiliary tubes to cool the plug transition. Systems and methods are also provided for charging an electrical energy storage on basis of such a cable assembly.

Abstract: An optical cable includes a plurality of buffer tubes and an outer jacket surrounding the plurality of buffer tubes. Each of the plurality of buffer tubes includes a buffer tube jacket surrounding a plurality of flexible ribbons. The buffer tube jacket includes a first deformable material that has undergone permanent plastic deformation during formation of the optical cable to conform to an irregular axial cross-sectional shape of each respective plurality of flexible ribbons. Each flexible ribbon includes a plurality of optical fibers and a first longitudinal length. For each flexible ribbon, each optical fiber of the plurality of optical fibers is attached to an adjacent optical fiber of the plurality of optical fibers along a bond region comprising a second longitudinal length that is less than the first longitudinal length.

Abstract: A power cable includes a cable core, a jacket and an outermost semiconductor layer. The cable core includes at least one conductor, an insulating system thereof, and at least one metallic screen. The jacket surrounds the cable core and includes an inner jacket layer and an outer jacket layer. The outermost semiconducting layer surrounds the outer jacket layer in direct contact thereto. The power cable further includes a test semiconducting layer radially external to the inner jacket layer, radially internal to the outer jacket layer, and directly contacting them. A power cable system, and a jacket integrity testing method for a power cable, are also provided.

Abstract: A hybrid optical power distribution box comprises a wall and one or more apertures in the wall, each aperture having a receiving area, one or more optical adapters for optical connectors, the optical adapters being attached to the hybrid optical power distribution box, each optical adapter extending along an optical direction between a first optical portion configured to be connected to an optical connector and a second optical portion inside the hybrid optical power distribution box, each second optical portion having an optical cross-sectional area configured to be inserted inside an aperture; one or more power adapters for electrical power connectors, the power adapters being attached to the hybrid optical power distribution box, each power adapter extending along a power direction between a first power portion configured to be connected to a power connector and a second power portion inside the hybrid optical power distribution box, each second power portion having a power cross-sectional area configured

Abstract: An optical fibre unit includes one or more optical fibres; an outer jacket surrounding the one or more optical fibres, made of a fibre reinforced polymer comprising inorganic fibres embedded in a polymer matrix in an amount comprised between 5 and 25 wt % with respect to the weight of the fibre reinforced polymer, the inorganic fibres having a median length (d50) comprised between 50 and 250 ?m; and a skin layer surrounding the outer jacket and in direct contact thereto, having a thickness comprised between 0.05 mm and 0.5 mm and being free from fibres.

Abstract: The present invention relates to a method for manufacturing a preform for optical fibers, which method comprises the sequential steps of: i) deposition of non-vitrified silica layers on the inner surface of a hollow substrate tube; ii) deposition of vitrified silica layers inside the hollow substrate tube on the inner surface of the non-vitrified silica layers deposited in step i); iii) removal of the hollow substrate tube from the vitrified silica layers deposited in step ii) and the non-vitrified silica layers deposited in step i) to obtain a deposited tube; iv) optional collapsing said deposited tube obtained in step iii) to obtain a deposited rod comprising from the periphery to the center at least one inner optical cladding and an optical core; v) preparation of an intermediate layer by the steps of: * deposition of non-vitrified silica layers on the outside surface of the deposited tube obtained in step iii) or deposited rod obtained in step iv) with a flame hydrolysis process in an outer reaction zone

Abstract: A fiber-separation tool including a body with a channel located on a face of the body. The channel is defined by a first sidewall and a second sidewall. The channel is configured to receive an optical fiber ribbon. And, the fiber-separation tool comprises a first blade disposed in the channel with a cutting edge of the first blade. The first blade is configured to separate the optical fiber ribbon into a first portion comprising a first number of optical fibers and a second portion comprising a second number of optical fibers as the optical fiber ribbon is conveyed through the channel.

Abstract: A fiber routing insert for an optical junction or distribution box, having: a first floor; first guide elements extending, along a spacing direction transversal to the first floor, from the first floor to first ceiling portions, the first guide elements defining a first path on the first floor configured to receive optical fibers, the first path defining a figure-eight fiber locking path; a second floor arranged at a raised position relative to the first floor and spaced apart from the first floor along the spacing direction, the second floor having a splicing area for splicing the optical fibers on the second floor; second guide elements arranged on the second floor, the second guide elements defining a second path on the second floor configured to receive optical fibers, a connecting element configured to guide optical fibers from the first path to the second path, the first ceiling portions define the second floor.

Abstract: A cable contains a core including a transmissive element and a coating layer made of a coating material. The coating material contains, with respect to the total weight of polymeric materials present in the composition, (i) 70% to 95% by weight of a recycled linear low density polyethylene (r-LLDPE); and (ii) 5 to 30% by weight of an ethylene-vinyl acetate copolymer (EVA). The EVA may be added to the r-LLDPE or, alternatively, be already contained in the r-LLDPE as a result of previous LLDPE use. The cable may further contain a skin layer placed around and in direct contact with the coating layer based on r-LLDPE.

Abstract: The invention relates to an optical fiber connector and to a related method for changing the polarity thereof. The connector comprises a ferrule, housing a plurality of terminations of optical fibers, and an inner housing arranged around the ferrule and comprising a rear portion and a front portion configured to be inserted into an optical fiber adapter.

Abstract: An elevator system includes a travelling cable connected to an elevator car and to a hoistway wall. The travelling cable includes an electric conductor and/or a data carrier operatively connected at a first end to a feed source and at a second end to service appliances of the elevator car. A protective layer includes an outer diameter and surrounds the electric conductor and/or data carrier. A duct is connected at a first open end to a fluid source and at a second openable end to the elevator car. A sensor system is configured for detecting swaying amplitude of the travelling cable. A microprocessor is associated to the sensor system and to the fluid source. The microprocessor is configured for receiving swaying amplitude data from the sensor system and for operating the fluid source when the swaying amplitude exceeds a predetermined threshold.

Abstract: Disclosed is a radiating coaxial cable comprising an inner conductor, an insulating layer surrounding the inner conductor, a conductive shield surrounding the insulating layer and a jacket surrounding the shield. The conductive shield comprises a radiating longitudinal shield portion with radiating apertures and a non-radiating longitudinal shield portion with no radiating apertures. The jacket comprises a first jacket portion facing the radiating shield portion and a second jacket portion facing the non-radiating shield portion. The first jacket portion is thicker than the second jacket portion. This way, the cable is more protected against detrimental effects of metal objects brought near to or in contact with its radiating side.

Abstract: Disclosed is an optical cable for distributed sensing. The optical cable comprises a first metal tube with at least two optical fibers loosely arranged therein and a second metal tube with at least two tight buffered optical fibers tightly arranged within an inner surface of the second metal tube. A third metal tube having an inner surface collectively surrounds and operatively contacts the first metal tube and said second metal tube. At least one of the first metal tube and the second metal tube is fixed by means of an adhesive compound to the inner surface of the third metal tube.

Abstract: The present disclosure relates to a dry-type cable termination comprising: a tubular support structure comprising: an insulator support comprising a frustoconical portion, wherein the insulator support is made of an electrically insulating non-metallic composite material having a tensile modulus of at least 11 GPa; and a screen tube; an insulating body at least partially externally covering and directly contacting the support structure; an elastomeric stress cone housed in the frustoconical portion and in direct contact to the frustoconical portion; an electrode, housed within the screen tube, connected with the stress cone and in electric contact with the screen tube.

Abstract: A flame-retardant cable is disclosed, the cable having a core comprising at least one conductor, and a coating layer made from a low smoke zero halogen flame-retardant polymer composition comprising an ethylene vinyl acetate copolymer and a polyethylene having a density lower than 0.925 g/cm3 as polymeric base added with: a) from 110 to 160 phr of at least one metal hydroxide; b) from 1 to 7 phr of a phyllosilicate clay; c) from 1 to 7 phr of melamine or a derivate thereof; and d) from 1 to 7 phr of zinc borate.

Abstract: A medium voltage electric cable having a conductor, an inner semi-conductive layer, an insulating layer, an outer semi-conductive layer, a wire metal screen, a filler layer made from an extruded elastomeric low smoke zero halogen (LSOH) composition containing a polyethylene homopolymer and/or copolymer having a density lower than 0.93 g/cm3 and a metal hydroxide, and an outer sheath made from a low smoke zero halogen (LSOH) composition containing a polymer mixture of an EVA polymer and polyethylene homopolymer and/or copolymer having a density lower than 0.93 g/cm3, the polymer mixture being charged with a metal hydroxide and a phyllosilicate clay.

Abstract: A flame-retardant cable includes at least one core comprising a conductor and at least one protecting layer surrounding the core. The protecting layer is made from a low smoke zero halogen (LSOH) flame-retardant polymer composition comprising at least 70 phr of a polyethylene homopolymer or copolymer having a density lower than 0.90 g/cm3 as a halogen-free polymeric base, and: a) 100 to 800 phr of at least one metal hydroxide; and b) at least 10 phr of a tannin.