Abstract: This disclosure describes systems, methods, and devices related to automating and testing communication network topologies.

Abstract: A curved expandable interbody device for placement between vertebrae having an upper structure, a lower structure, and a screw mechanism, wherein actuation of the screw mechanism moves the upper and lower structures between a collapsed configuration and an expanded configuration. A deployment tool couples to the curved expandable interbody device for positioning the device between adjacent vertebrae and actuating the screw mechanism, wherein the deployment tool can lock to the curved expandable interbody device and pivot relative to the curved expandable interbody device.

Abstract: A feeder including: a) a base portion having a serving area; b) a chamber portion supported by the base portion and configured to retain a granular material within a chamber interior; c) a dispenser configured to segregate a portion of the granular material from the chamber interior and transfer the portion of the granular material from the chamber portion to the serving area, wherein the dispenser includes: i) a rocker body; and ii) one or more fins projecting from the rocker body; and wherein the feeder includes one or more of: i) the fin(s) are flexible; ii) sensing device(s) part of a sensing tower configured to sense the presence, distance, and/or amount of the granular material within the chamber portion; and/or iii) sensing device(s) configured to sense the presence, distance, and/or amount of the granular material within the serving area.

Abstract: A litter device comprising: a) a chamber having an entry opening and configured to hold litter and to allow an animal to enter and excrete waste; b) a waste drawer in communication with the chamber and configured to receive the waste; c) an entry barrier located adjacent to and/or within the entry opening; and wherein the entry barrier is configured to automatically open to expose the entry opening, configured to automatically close to at least partially cover the entry opening, or both based upon one or more conditions.

Abstract: A bezel assembly comprising: a) a bezel configured for encircling an entry opening of a litter device; and b) one or more accessories removably affixed thereon. A litter device having: a) a base; b) a chamber with an entry opening, wherein the chamber is configured to retain litter and is supported by the base; c) a bezel located about the entry opening; and d) one or more accessories removably affixed to the bezel.

Abstract: A surface-reinforced bitumen roofing membrane includes at least two layers, namely 1) a bitumen compound layer, and 2) a fiber mat, and can optionally include a) an optional bleed blocker layer that is located between the bitumen compound layer and the fiber mat, b) an optional liquid applied coating that partially or fully encapsulates the fiber mat, c) an optional release liner that is releasably positioned on the bottom surface of the bitumen roofing membrane, and/or d) an optional release film that is releasably positioned on the fiber mat surface.

Abstract: A system for handling yarn packages and empty cores. The system includes a winder, a creel and a gripper assembly. The winder is configured to receive an empty core and to wind a predetermined length of yarn onto the empty core to create a yarn package. The creel is configured to provide an array of creel positions for receiving a yarn package. The gripper assembly is configured to be moveable between the winder and the creel. The gripper assembly has a jaw adapted to grip a yarn package when delivering the yarn package from the winder to the creel and to grip an empty core when removing the empty core from the creel and delivering the empty core to the winder. Devices, systems and methods for controlling a yarn tail, loading a yarn spool into a creel, and feeding the yarn through the creel, are also disclosed.

Abstract: A process for purifying polyester-grade ethylene glycol from crude ethylene glycol containing at least a first component and a second component that have a boiling point below that of ethylene glycol that includes (a) providing a stream of crude ethylene glycol by depolymerizing polyethylene terephthalate in a chemical recycling process; (b) introducing the crude ethylene glycol stream into a first distillation column for distilling the first component and removing the first component from the process; (c) withdrawing a first stream from the lower portion of the first distillation column and feeding the first stream into a second distillation column for distilling the second component and removing the second component from the process; (d) withdrawing a second stream from the lower portion of the second distillation column and feeding the second stream into a third distillation column; and (e) recovering polyester-grade ethylene glycol from the third distillation column.

Abstract: A plunger rod insertion gauge for a precision dose delivery device is disclosed. The insertion gauge includes: an insertion gauge body including a handle portion and a gauge portion; wherein the gauge portion includes one or more plunger rod abutting surfaces and one or more flange abutting surfaces oriented substantially perpendicular to a plunger rod insertion axis; and wherein a dimension measured between the one or more plunger rod abutting surfaces and the one or more flange abutting surfaces defines a maximum plunger rod insertion depth for the precision dose delivery device. Other aspects are described and claimed.

Abstract: A packaging comprising a tray having an opening, a cavity including at least three cavity portions, a plurality of sidewalls, and a base; and a sterile syringe contained within the cavity, wherein the sterile syringe is pre-filled with a medicament or other fluid; wherein a first cavity portion comprises a plunger rod of the sterile syringe, a second cavity portion comprises a barrel of the sterile syringe, and a third cavity portion comprises a needle attachment portion of the sterile syringe, wherein the at least three cavity portions are connected to one another by intermediate narrowed portions, and wherein each of the narrowed portions includes a first sidewall, a second sidewall, a base, and a plurality of geometric features projecting into the narrowed portions to position the sterile syringe away from the plurality of sidewalls.

Abstract: A surface-reinforced bitumen roofing membrane includes at least two layers, namely 1) a bitumen compound layer, and 2) a fiber mat, and can optionally include a) an optional bleed blocker layer that is located between the bitumen compound layer and the fiber mat, b) an optional liquid applied coating that partially or fully encapsulates the fiber mat, c) an optional release liner that is releasably positioned on the bottom surface of the bitumen roofing membrane, and/or d) an optional release film that is releasably positioned on the fiber mat surface.

Abstract: A bicycle chain includes a pair of outer plates, a pair of inner plates, and a connecting pin assembly. The pair of outer plates defines a width of the bicycle chain in a transverse direction, and the pair of inner plates is positioned at least partially between the pair of outer plates. The connecting pin assembly connects the pair of outer plates with the pair of inner plates and includes a first rocker pin, a second rocker pin, and a center pin between the first rocker pin and the second rocker pin in a longitudinal direction. A length of the center pin in the transverse direction is less than the width of the bicycle chain.

Abstract: A surface-reinforced bitumen roofing membrane includes at least two layers, namely 1) a bitumen compound layer, and 2) a fiber mat, and can optionally include a) an optional bleed blocker layer that is located between the bitumen compound layer and the fiber mat, b) an optional liquid applied coating that partially or fully encapsulates the fiber mat, c) an optional release liner that is releasably positioned on the bottom surface of the bitumen roofing membrane, and/or d) an optional release film that is releasably positioned on the fiber mat surface.

Abstract: An automated litter device having: a base; and a chamber configured for retaining a litter and rotatably supported by the support base, wherein the chamber includes: an entry opening so that an animal can enter and exit the chamber; and a waste opening generally opposing the entry opening configured so that an animal waste passes through the waste opening into the base upon rotation of the chamber; wherein the automated litter device includes one or more of: i) one or more sensors located adjacent to the entry opening which are adapted to sense the presence of the animal within the chamber, the presence of the waste in the base, a level of litter in the chamber, a position of the chamber relative to the base, or any combination thereof; ii) a filtering system configured for reducing, eliminating, and/or preventing, malodors building in the base; and/or iii) a litter dispenser in communication with the chamber to transfer some of the litter to the chamber.

Abstract: An automated litter device having: a base; and a chamber configured for retaining a litter and rotatably supported by the support base, wherein the chamber includes: an entry opening so that an animal can enter and exit the chamber; and a waste opening generally opposing the entry opening configured so that an animal waste passes through the waste opening into the base upon rotation of the chamber; wherein the automated litter device includes one or more of: i) one or more sensors located adjacent to the entry opening which are adapted to sense the presence of the animal within the chamber, the presence of the waste in the base, a level of litter in the chamber, a position of the chamber relative to the base, or any combination thereof; ii) a filtering system configured for reducing, eliminating, and/or preventing, malodors building in the base; and/or iii) a litter dispenser in communication with the chamber to transfer some of the litter to the chamber.

Abstract: A method, apparatus, and software are provided for using an optically-readable code such as a quick-response (QR) code. The optically-readable code may represent a uniform resource identifier (URI) including parameters that represent a query, such as a query for content and/or other data. The query results may be used to command a content consumption device to record or otherwise obtain an item of content. The optically-readable code may additionally or alternatively be determined based upon a status of the device, such as what content, or portion thereof, is currently being displayed, and/or what error condition is being experienced.

Abstract: A portable apparatus for determining refractive error in the human eye comprises an elongate base rail having a left side base rail portion and a right side base rail portion; a first lens carrier housing mounted on the left side base rail portion, a first lens carrier carrying a plurality of corrective lenses and being substantially housed within the first lens carrier housing so as to expose a corrective lens of the first lens carrier in a test position of the first lens carrier housing; a second lens carrier housing mounted on the right side base rail portion, a second lens carrier carrying a plurality of corrective lenses and being substantially housed within the second lens carrier housing so as to expose a corrective lens of the second lens carrier in a test position of the second lens carrier housing; a first user operable control adapted for moving the first lens carrier relative to the first lens carrier housing and a second user operable control adapted to move the second lens carrier relative to th