Abstract: Embodiments of the disclosure relate to an optical fiber subunit. The optical fiber subunit includes a buffer tube having an interior surface and an exterior surface in which the interior surface defines a channel. The optical fiber subunit also includes a first lumen disposed within the channel. The first lumen includes a first membrane having a thickness of 0.15 mm or less and surrounds a first plurality of optical fibers. A second plurality of optical fibers disposed within the channel and outside the first lumen. Also disclosed are embodiments of an optical fiber cable having one or more lumens disposed within a central bore of a cable jacket and embodiments of a method of manufacturing an optical fiber cable.

Abstract: An optical communication cable includes a cable jacket formed from a first material, a plurality of core elements located within the cable jacket, and an armor layer surrounding the plurality of core elements within the cable jacket, wherein the armor layer is a multi-piece layer having a first armor segment extending a portion of the distance around the plurality of core elements and a second armor segment extending a portion of the distance around the plurality of core elements, wherein a first lateral edge of the first armor segment is adjacent a first lateral edge of the second armor segment and a second lateral edge of the first armor segment is adjacent a second lateral edge of the second armor segment such that the combination of the first armor segment and the second armor segment completely surround the plurality of core elements.

Abstract: Provided are diamondoid salts, electrolytes comprising the diamondoid salts, and electrochemical devices incorporating the diamondoid salts or electrolytes. In embodiments, an electrolyte for an electrochemical device comprises a metallic salt and a diamondoid salt, the diamondoid salt comprising a diamondoid-functionalized cationic core and a counter anion, the diamondoid-functionalized cationic core comprising a cationic core and a diamondoid group covalently bound to the cationic core.

Abstract: A system and method for determining and controlling a speed of a conveyor belt configured for transferring material from a source of the material to a haul vehicle includes a motor and associated head pulley shaft operatively coupled to a conveyor belt head pulley configured for driving the conveyor belt. The motor is connected to a conveyor belt tensioner block configured to enable adjustment of a tension in the conveyor belt, and the head pulley shaft is rotatably supported within the conveyor belt tensioner block. A speed ring gear is mounted on the head pulley shaft and located at least partially within a bore through the conveyor belt tensioner block. A speed sensor is mounted on the conveyor belt tensioner block in a position radially outward from teeth of the speed ring gear as the speed ring gear and head pulley shaft rotate within the bore through the belt tensioner block.

Abstract: A system and method for determining and controlling a speed of a conveyor belt configured for transferring material from a source of the material to a haul vehicle includes a motor and associated head pulley shaft operatively coupled to a conveyor belt head pulley configured for driving the conveyor belt. The motor is connected to a conveyor belt tensioner block configured to enable adjustment of a tension in the conveyor belt, and the head pulley shaft is rotatably supported within the conveyor belt tensioner block. A speed ring gear is mounted on the head pulley shaft and located at least partially within a bore through the conveyor belt tensioner block. A speed sensor is mounted on the conveyor belt tensioner block in a position radially outward from teeth of the speed ring gear as the speed ring gear and head pulley shaft rotate within the bore through the belt tensioner block.

Abstract: Disclosed is a boot construction utilizing both exotic and non-exotic leathers in a multi-part vamp. This construction provides increased durability, more efficient material utilization, and aesthetic appeal. More specifically, the vamp includes a forward toe portion constructed primarily from an exotic leather and a rearward saddle portion constructed from a non-exotic leather. The saddle portion further includes a cutout that exposes an underlying portion of another leather material.