D03D41/004

ROTATIONALLY SYMMETRICAL PART MADE OF COMPOSITE MATERIAL HAVING AN IMPROVED HOLDING CAPACITY

A method for manufacturing a composite material revolution part for a propulsion assembly includes making a fibrous preform on a mandrel having a profile corresponding to that of the part to be manufactured, and densifying the fibrous preform by a matrix. Making the fibrous preform includes forming a strip-shaped fibrous blank including at least one layer of continuous fibers and at least one layer of discontinuous fibers, the fibrous blank being shaped on the mandrel, the layer of continuous fibers of the fibrous blank extending at least over a complete turn around the mandrel.

Systems, devices and method for three-dimensional surface weaving

Systems, devices and methods for three-dimensional surface weaving are disclosed herein. The system includes a jacquard device, a weaving device and a roller matrix. The jacquard device configured to selectively raise or lower the warp threads to form a shed for the weft thread to travel; the weaving device configured to carry the weft thread into the shed and weave the weft thread on the warp threads; and the roller matrix with individually controlled rotate apparatus configured to control the warp threads to move forward or backward. The warp threads come from rotate apparatus installed on the roller matrix. The rotate apparatus is controlled individually to forward or reverse rotate, so that the attached warp thread is able to be longer or shorter. As the warp threads can be shortened during weaving process, the three-dimensional surface can be produced.

Engineered materials and methods of forming
12480233 · 2025-11-25 · ·

A method of forming a substrate includes mapping a three dimensional spatial distribution of at least one structural protein fiber of extracellular matrix of biological material of interest, designing a fiber assembly pattern based on an intrinsic pattern of the at least one structural protein fiber of the extracellular matrix of the biological material, and assembling fibers based on the fiber assembly pattern to form the substrate.