Patent classifications
B29L2031/3462
Resin parts and manufacturing method of resin parts
A resin part, wherein the resin part has an asymmetrical shape in a thickness direction, so that a portion in which an increase in internal temperature by heating is relatively quick is positioned closer to one end of the resin part in the thickness direction while a portion in which an increase in internal temperature by heating is relatively slow is positioned closer to the other end of the resin part in the thickness direction, wherein the resin part has an asymmetrical shape in a width direction, so that the portion in which the increase in internal temperature by heating is relatively quick is positioned closer to one end of the resin part in the width direction while a portion in which an increase in internal temperature by heating is relatively slow is positioned closer to the other end of the resin part in the width direction.
Crosslinkable composition without antioxidant and beneficial methane formation with reduced crosslinking
The invention relates to a polymer composition comprising a polyethylene and a crosslinking agent, characterized in that the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B.sub.1≤B, wherein B.sub.1 is 0.88, when measured prior to crosslinking according to method ASTM D6248-98; and in that the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z≤Z.sub.2, wherein Z.sub.2 is 0.30, an article being e.g. a cable, e.g. a power cable, and processes for producing a polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.
Methods for shaping an extrudable material
An apparatus for shaping an extrudable material comprises a sleeve, comprising a first sleeve end, a sleeve inlet at the first sleeve end, a second sleeve end, opposite the first sleeve end, and a sleeve outlet at the second sleeve end. The extrudable material enters the sleeve through the sleeve inlet and exits the sleeve through the sleeve outlet. The apparatus further comprises an actuation mechanism, selectively operable to change at least one of a size or a shape of the sleeve outlet. The sleeve is sufficiently flexible to enable the actuation mechanism to change at least one of the size or the shape of the sleeve outlet. The sleeve is insufficiently stretchable to enable the actuation mechanism to stretch the sleeve.
Cable made from crosslinkable composition without antioxidant and with beneficial methane formation
The invention relates to a cable comprising layer(s), which layer(s), is/are obtained from a polymer composition, wherein the polymer composition comprises a polyethylene and a crosslinking agent, wherein the polymer composition contains a total amount of vinyl groups which is B vinyl groups per 1000 carbon atoms, and B.sub.1≤B, wherein B.sub.1 is 0.88, when measured prior to crosslinking according to method ASTM D6248-98; and wherein the crosslinking agent is present in an amount which is Z wt %, prior to crosslinking, based on the total amount (100 wt %) of the polymer composition, and Z≤Z.sub.2, wherein Z.sub.2 is 0.60, the cable, e.g. being a power cable, and processes for producing the cable; the cable useful in different end applications, such as wire and cable (W&C) applications.
Pressurisation and Heating Device and Method for Insulation System Restoration of a Power Cable
A pressurisation and heating device for restoring an insulation system of a power cable, the pressurisation and heating device including: a first part including a first channel configured to receive a portion of the power cable, a second part including a second channel configured to receive a portion of the power cable, wherein the pressurisation and heating device is configured to be set in a closed state in which the first channel faces the second channel thereby forming a heating chamber extending from a first end to a second end, opposite the first end, of the pressurisation and heating device, wherein the pressurisation and heating device is configured to be pressurised to obtain a pressure higher than atmospheric pressure inside the heating chamber when the power cable is arranged sealed in the heating chamber, wherein the pressurisation and heating device has an at least 20 cm long axially extending section which is primarily made of material at most having a conductivity of the order of moo S/m at 20° C.
FILLING DEVICE FOR THE JOINT IN ENERGY DISTRIBUTION LINES
A filling device for the joint that provides filling of the desired area to be poured in cases where similar electrical transmission systems or components such as low and high voltage busbars and cables are attached to each other.
Resin composition, resin-coating material, vehicle wire harness and method of producing vehicle wire harness
A resin composition, containing an ethylene-vinyl acetate copolymer (A); and 15 to 30 mass parts of a bromine-based flame retardant (B), 5 to 15 mass parts of antimony trioxide (C), 6 to 12 mass parts of a benzimidazole-based aging retardant (D), 2 to 4 mass parts of a phenol-based aging retardant (E), 2 to 4 mass parts of a thioether-based aging retardant (F), 0.5 to 2 mass parts of a copper inhibitor (G), and 3 to 6 mass parts of a crosslinking aid (H), with respect to 90 to 100 mass parts of the ethylene-vinyl acetate copolymer (A); a vehicle wire harness; and, a method of producing a vehicle wire harness.
Laser welding of cable jacket
An optical cable and method for forming an optical cable is provided. The cable includes a cable jacket including an inner surface defining a channel and an outer surface and also includes a plurality of optical fibers located within the channel. The cable includes a seam within the cable jacket that couples together opposing longitudinal edges of a wrapped thermoplastic sheet which forms the cable jacket and maintains the cable jacket in the wrapped configuration around the plurality of optical fibers. The method includes forming an outer cable jacket by wrapping a sheet of thermoplastic material around a plurality of optical core elements. The method includes melting together portions of thermoplastic material of opposing longitudinal edges of the wrapped sheet such that a seam is formed holding the sheet of thermoplastic material in the wrapped configuration around the core elements.
INDUCTION WELD JOINT FOR AN ENCLOSURE
The present disclosure relates to a housing having an interior and an exterior. The housing includes a first housing piece and a second housing piece that are coupled together by a joint. The joint includes a bonding material and the joint is configured such that when the bonding material is pressurized during formation of the joint the bonding material is predisposed to move toward the interior of the housing as compared to the exterior of the housing.
Process for jointing cables
In one example, an apparatus for jointing power cables includes a mold extending along a longitudinal axis, and having a feeding inlet and being made of two halves forming a longitudinal pass-through seat for receiving the cables. An extruder is connected to the feeding inlet. A heating system and a cooling system is associated with the mold. A measuring system for detecting temperature or pressure includes a plurality of probes for detecting temperature or pressure.