A fabric that includes a first yarn and a second yarn which generate electric charges having different polarities with the application of external energy thereto. The fabric includes a low-density portion and a high-density portion having a lower porosity than the low-density portion.

A engineered textile construction includes a first textile having a first average pore size forming a textile cell growth matrix in which the first textile is a woven or a knit construction, the textile cell growth matrix is configured to have a surface area sufficient to promote cell expansion and the first average pore size is preselected to prevent filling of the pores during cell expansion.

The present invention provides a method for successively introducing water soluble fibers into natural fibers (e.g. cotton) to produce a hollow and ultra soft structure, by introducing water soluble slivers into the center of a multi-hole feeder with multiple cotton fiber slivers arranged around the water soluble fiber in a pre-drawing process via a multi-hole sliver feeder. A cloth, e.g., made using the method.

The present invention provides a method for successively introducing water soluble fibers into finish fibers (e.g. cotton) to produce a hollow and ultra soft structure, by introducing water soluble slivers into the center of a fabric feeder with one or more cotton fiber slivers arranged around the water soluble fiber in a pre-drawing process via a fabric sliver feeder. A plurality of these fibers can be drawn together to produces a fiber having multiple water soluble fibers. A cloth, e.g., towel, can be made using the method.

Continuous manufacturing systems and methods for fiber components are described. The continuous manufacturing systems may include core preparation, fiber weaving, pressure application, fiber curing, cooling, and post-processing subsystems. For example, fiber components having varying shapes, weaving parameters, and/or structural properties may be continuously formed. In addition, various additional fibers having additional functions or characteristics may be continuously woven together in the fiber components. Further, the pressure application, curing, and/or cooling subsystems may utilize various outer dies that are cycled through and between the subsystems.

To provide a woven/knitted fabric having excellent fabric/skin separation, a woven/knitted fabric is provided that includes C-shaped cross-section fibers, wherein an average standard deviation Sq of surface roughness of at least one surface of the woven/knitted fabric is 5 m or more and 100 m or less, and a ratio (Sqs/Sq) of an average standard deviation Sqs of surface roughness of the one surface when the woven/knitted fabric is elongated by 10% to the average standard deviation Sq, is 0.85 or more and 2.00 or less.

To provide a woven/knitted fabric having excellent fabric/skin separation, a woven/knitted fabric is provided that includes C-shaped cross-section fibers, wherein an average standard deviation Sq of surface roughness of at least one surface of the woven/knitted fabric is 5 m or more and 100 m or less, and a ratio (Sqs/Sq) of an average standard deviation Sqs of surface roughness of the one surface when the woven/knitted fabric is elongated by 10% to the average standard deviation Sq, is 0.85 or more and 2.00 or less.

Active fabrics typically include a plurality of fibers. At least one of the fibers exhibits a change in length or width upon exposure to an external stimulus, such as heat, moisture, or light. The active woven materials can exhibit local transformation, such as creating areas that are tighter or more open, or global transformation, such as changing from flat to curled. The effect is a precise and repeatable change in shape upon exposure to an external stimulus. Embodiments can be employed, for example, in sportswear, compression garments, furniture, and interior products.

The present invention provides a polyamide (preferably Nylon 66) yarn for weaving or knitting clothes articles which have a cooling effect on the skin of the wearer. The yarn contains an inorganic additive (preferably Titanium dioxide) in an amount of between 0.3 and 3.0 wt % and is characterized by a low crimp modulus and a flat cross section.

A woven fabric formed of fabric fibers or threads coated with a hydrogel, wherein said hydrogel is not crosslinked or is partially crosslinked to the fabric fibers or thread, wherein the hydrogel has a number of excess reactive molecules that are available for a reaction with one or more molecules solvated in an aqueous solution, and wherein the reactive molecules of the hydrogel can reversibly bond with the molecules solvated in an aqueous solution, such that the reactive molecules of the hydrogel attract the molecules solvated in aqueous solution when the hydrogel coated fabric substrate is exposed to an aqueous solution.