Patent ID: 9381702
Filing Date: 2016-07-05
CPC Classification: B29B,B29C,B29K,B33Y,Y10T

Claim Text:
1. A method for producing a fiber composite preform or portion thereof, the method comprising: aligning first and second material layers; positioning the first and second material layers at a distance from each other to form a first layer spacing therebetween; inserting first interlayer reinforcements through the first and the second material layers; aligning at least a third material layer with at least the first and second material layers; inserting second interlayer reinforcements through at least the second and third material layers, wherein the first layer spacing enables the second interlayer reinforcements to be manipulated during insertion; and after inserting the second interlayer reinforcements, applying a tensioning force to the first interlayer reinforcements to close the first layer spacing and bring the first and second material layers into contact, wherein at least a portion of the tensioning force is applied in a direction substantially parallel to the first and second material layers.