US 11,884,053 B2
Fiber-reinforced composite device and forming method
Martin Eichenhofer, Zürich (CH); Giovanni Cavolina, Zürich (CH); and Chester Houwink, Zürich (CH)
Assigned to 9T Labs AG, Zürich (CH)
Appl. No. 17/789,435
Filed by 9T LABS AG, Zürich (CH)
PCT Filed Jan. 4, 2021, PCT No. PCT/IB2021/050015
§ 371(c)(1), (2) Date Jun. 27, 2022,
PCT Pub. No. WO2021/137199, PCT Pub. Date Jul. 8, 2021.
Claims priority of application No. PCT/IB2020/050013 (WO), filed on Jan. 2, 2020.
Prior Publication US 2023/0045396 A1, Feb. 9, 2023
Int. Cl. B32B 5/12 (2006.01); B32B 5/26 (2006.01); B32B 3/02 (2006.01); B32B 5/02 (2006.01); B32B 27/12 (2006.01)
CPC B32B 5/12 (2013.01) [B32B 3/02 (2013.01); B32B 5/024 (2013.01); B32B 5/263 (2021.05); B32B 27/12 (2013.01); B32B 2260/046 (2013.01); B32B 2307/732 (2013.01); B32B 2398/20 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A preformed material for use in fiber-reinforced composite materials, the preformed material comprising:
one or more fiber rovings including parallel fibers; wherein the one or more fiber rovings each have one or more folds in a direction parallel to the direction of the fibers and further wherein an unfolded width of each of the one or more fiber rovings has a width in a range from 0.3 mm to 5 mm.