ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,414, issued on Jan. 27, was assigned to RTX Corp. (Farmington, Conn.).
"Slots and pre-weakened region in 3D woven components" was invented by Olivier H. Sudre (Glastonbury, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a ceramic matrix composite includes forming a preform by weaving a plurality of warp tows with a plurality of weft tows, weaving a plurality of fugitive yarns into a region of the preform in at least one of a warp position or weft position, and subsequently, decomposing the fugitive yarns to transform the region into a pre-weakened region, the pre-weakened region having a higher porosity than a remainder of ...