D03D25/00

Partially degradable fibers and microvascular materials formed from the fibers

A partially degradable polymeric fiber includes a thermally degradable polymeric core and a coating surrounding at least a portion of the core. The thermally degradable polymeric core includes a polymeric matrix including a poly(hydroxy-alkanoate), and a metal selected from the group consisting of an alkali earth metal and a transition metal, in the core polymeric matrix. The concentration of the metal in the polymeric matrix is at least 0.1 wt %. The partially degradable polymeric fiber may be used to form a microvascular system containing one or more microfluidic channels.

Connecting an electronic component to an interactive textile

This document describes techniques and apparatuses for connecting an electronic component to an interactive textile. Loose conductive threads of the interactive textile are collected and organized into a ribbon with a pitch that matches a corresponding pitch of connection points of the electronic component. Next, non-conductive material of the conductive threads of the ribbon are stripped to expose the conductive wires of the conductive threads. After stripping the non-conductive material from the conductive threads of the ribbon, the connection points of the electronic component are bonded to the conductive wires of the ribbon. The conductive threads proximate the ribbon are then sealed using a UV-curable or heat-curable epoxy, and the electronic component and the ribbon are encapsulated to the interactive textile with a water-resistant material, such as plastic or polymer.

FIBER TEXTURE FOR A CASING MADE OF COMPOSITE MATERIAL WITH IMPROVED IMPACT RESISTANCE

A strip-shaped fibrous texture has a three-dimensional or multi-layered weaving between a plurality of layers of warp yarns or strands and a plurality of layers of weft yarns or strands extending in the lateral direction. The fibrous texture includes a first section extending along the longitudinal direction from a proximal portion of the texture and in which one or more layers of the plurality of layers of weft yarns or strands consist of a plurality of groups of yarns or strands each including at least one carbon fiber yarn or strand and one glass fiber yarn or strand. The carbon fiber yarn or strand and the glass fiber yarn or strand of each group of yarns being woven together according to the same weaving pattern or weave. The fibrous texture further includes a second section present between the first section and a distal portion of the fibrous texture.

MULTI-PLY WOVEN GAUZE FABRIC
20210277549 · 2021-09-09 · ·

Provided is multi-ply woven gauze that has loft, a soft texture, and superior heat retention, permeation resistance, and lightness of weight. The multi-ply woven gauze comprises a front surface layer formed with a plain-weave structure, an intermediate layer formed with a waffle-weave structure, and a rear surface layer formed with a plain-weave structure. The front surface layer and the intermediate layer are joined together, and the rear surface layer and the intermediate layer are joined together. Wrinkles form at the connections between the front surface layer and the rear surface layer due to the difference in contraction between the plain-weave structures and the waffle-weave structure. The intermediate layer is formed from at least one layer. The weave density of a single layer in the intermediate layer is equal to or half the weave density of the front surface layer and the rear layer.

FIBER STRUCTURE AND A COMPOSITE MATERIAL PART INCORPORATING SUCH A STRUCTURE

A method of fabricating a fiber structure by multilayer three-dimensional weaving between a plurality of weft yarns and of warp yarns, the fiber structure having at least first and second portions that are adjacent in the warp direction, the first portion presenting, in a direction perpendicular to the warp and weft directions, a thickness greater than the thickness of the second portion, includes making the first portion using a step of three-dimensionally weaving warp and weft layers in which a fiber fabric is formed in the form of a Mock-Leno weave grid in a core of the first portion together with skins at a surface of the first portion, a weave of the skins being modified locally so as to deflect certain warp yarns from said skins and weave them with the fiber fabric in the form of the Mock-Leno weave grid.

Fabric cases for electronic devices
11076664 · 2021-08-03 · ·

Fabric may be woven using a needle weaving machine. The needle weaving machine may have three weft fiber needles and two hooks for holding weft fibers from the weft fiber needles. One of the weft fiber needles may provide weft fibers to multiple hooks when weaving fabric with warp fibers held in a V-shaped profile. An electronic device may have a rectangular footprint with four curved corners. A length of fabric may be woven to form a case having four curved corners that match the four curved corners of the electronic device. The case may have a C-shaped profile with parallel upper and lower fabric portions coupled by a sidewall. Short rows of weft fiber may be used around the corners of the case to ensure that the upper and lower portions of the fabric lie flush with planar front and rear surfaces of the electronic device.

MULTI-FILAMENT YARNS THREE-DIMENSIONAL KNITTED FABRIC AND SYSTEM AND METHOD FOR MANUFACTURING THE SAME
20210292940 · 2021-09-23 ·

A multi-filament three-dimensional knitted fabric and a system and a method for manufacturing the same are provided. The multi-filament three-dimensional knitted fabric includes a surface layer structure, a bottom layer structure and a support structure. The support structure is disposed between the surface layer structure and the bottom layer structure, the support structure includes a plurality of first multi-filament yarns, each of the first multi-filament yarns connecting to the surface layer structure and the bottom layer structure, and each of the first multi-filament yarns having a specific denier and being composed of a plurality of fibers.

THREE-DIMENSIONAL FABRIC AND SEWING METHOD THEREOF
20210292939 · 2021-09-23 ·

A three-dimensional fabric and a sewing method of making the same are provided. The method includes: providing a first three-dimensional fabric and a second three-dimensional fabric, placing the first fluffy flexible thread between the first inner side of the first three-dimensional fabric and the second inner side of the second three-dimensional fabric, and then stitching the first three-dimensional fabric and the second three-dimensional fabric to form a stitched structure with the first fluffy flexible thread being embedded therein.

FIBER CONSTRUCT, FIBER-REINFORCED COMPOSITE MATERIAL, AND METHOD FOR MANUFACTURING THESE
20210180221 · 2021-06-17 · ·

A fiber construct comprises a binding thread that binds all first fiber layers and second fiber layers in a laminating direction in a first flat portion, The binding thread is in any one of a mode of extending straight in a bent portion and a second flat portion, a mode of binding the first fiber layers and the second fiber layers partially in the laminating direction in the bent portion and the second flat portion, and a mode of being absent in the bent portion and the second flat portion. In the bent portion and the second flat portion, a second yarn is in any one of a mode of engaging with only the first yarn of a specific one of the first fiber layers and a mode of binding the first fiber layers partially in the laminating direction.

Advanced composite heated floor panel

A composite panel suitable for heating an environment includes a face sheet having a 3D woven structure and abutting the environment, and a first core layer positioned on a side of the face sheet opposite the environment. The 3D woven structure includes at least one z-fiber extending in a first direction, the first direction representing a thickness of the face sheet. The woven structure further includes a plurality of weft layers, each having a weft fiber extending in a second direction, and a warp layer disposed between the plurality of weft layers, the warp layer having a warp fiber extending in a third direction. The z-fiber extends along the plurality of weft layers across a full extent of the 3d woven structure in the first direction.