The present disclosure relates to a spinning beam for producing hollow fiber membranes in a phase inversion process, and to a process using the spinning beam.

A bead for a tire in accordance with the present invention includes a core with at least one yarn of a multifilament textile fiber embedded in an organic matrix having a density between 0.9 g/m.sup.3 and 2.0 g/m.sup.3 and an outer sheath layer including at least one metal wire wound around, and in contact with, the core. The core has a diameter between 5.0 mm and 30.0 mm.

Methods, systems, and devices are provided herein for preparing fiber matrices with differing degrees of anisotropy within a single matrix and controllable physical parameters, such as porosity.

A coaxial nanocomposite including a core, which includes fibers of a first organic polymer, and a shell, which includes fibers of a second organic polymer, the first polymer and the second polymer forming a heterojunction.

A drug delivery device comprising: a first layer comprising a first coaxially electrospun nanofiber membrane; a second layer comprising a second coaxially electrospun nanofiber membrane; a first therapeutic agent integrated into the first coaxially electrospun nanofiber membrane; and a second therapeutic agent integrated into the second coaxially electrospun nanofiber membrane. The second therapeutic agent is different from the first therapeutic agent.

A multi-level-architecture multi-fiber composite yarn includes a composite yarn having a first anisotropic expansion coefficient in an axial and/or radial direction, and a matrix material included with the yarn, wherein the matric material has a second anisotropic expansion coefficient that is different from the first anisotropic expansion coefficient in at least one of the axial or radial directions. A method of fabricating a multi-level-architecture multi-fiber composite yarn includes infiltrating a composite yarn having a first anisotropic expansion coefficient in an axial and/or radial directions with a matrix material having a second anisotropic expansion coefficient different from the first anisotropic expansion coefficient in the axial or radial direction.

A biocompatible yarn comprising a conductive elastomeric filament, the conductive elastomeric filament comprising a elastomeric polymer and conductive filler.

A method for manufacturing a hollow fiber membrane wherein a spinning stock solution containing 10 mass % or more and 40 mass % or less of a polysulfone-based resin, 1 mass % or more and 30 mass % or less of polyvinylpyrrolidone, and 1 mass % or more and 80 mass % or less of N,N-dimethylformamide is discharged together with a core liquid from a double-ring nozzle to produce a hollow fiber membrane by dry-wet spinning, and then the hollow fiber membrane is subjected to a dry heat treatment at a temperature of 80? C. or higher and 100? C. or lower for 48 hours or longer and 168 hours or shorter.

The present invention is directed to a polyacetal stretched fiber of a polyacetal resin composition which contains a polyacetal resin and a fatty acid metal salt in an amount of 0.01 to 5 phr relative to the polyacetal resin, wherein the stretched fiber is obtained by stretching a fiber at a temperature of 100 C. or more to a temperature lower than the melting point of a polyacetal resin composition, and the fiber is obtained by melt spinning the polyacetal resin composition, and a fiber assembly comprising the stretched fiber as a main constituent.

A novel knitted fabric includes a double-sided structure which is weft-knitted by a natural fiber or a viscose, a sorona and a polyurethane fiber. A first side of the double-sided structure is constituted by the natural fiber or the viscose and the polyurethane fiber, a second side of the double-sided structure is constituted by the sorona, and a yarn ingredient proportion comprises 60-50% of the natural fiber or the viscose, 40-30% of the sorona, and 5-20% of polyurethane fiber. The novel knitted fabric can have advantages of excellent stretchability, recoverability, plastic and packaging functions, wearing comfort, and conformation of modern environmental thoughts.