US 12,145,327 B2
Fiber placement device
Yasuhiro Sato, Otsu (JP); Tamotsu Suzuki, Otsu (JP); and Kentaro Nagasaki, Otsu (JP)
Assigned to Toray Industries, Inc., Tokyo (JP)
Appl. No. 17/598,039
Filed by Toray Industries, Inc., Tokyo (JP)
PCT Filed Mar. 26, 2020, PCT No. PCT/JP2020/013796
§ 371(c)(1), (2) Date Sep. 24, 2021,
PCT Pub. No. WO2020/203686, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-066795 (JP), filed on Mar. 29, 2019.
Prior Publication US 2022/0176652 A1, Jun. 9, 2022
Int. Cl. B29C 70/38 (2006.01); B29C 70/54 (2006.01); B32B 38/00 (2006.01)
CPC B29C 70/384 (2013.01) [B29C 70/545 (2013.01); B32B 38/0004 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A fiber placement device comprising:
a table;
a placement mechanism having a reinforcing fiber bundle supplied to be able to place the reinforcing fiber bundle in an arbitrary area on the table;
a cutting blade that cuts the reinforcing fiber bundle supplied from the placement mechanism toward the table; and
an accumulation portion arranged on a path of the reinforcing fiber bundle delivered toward the placement mechanism,
wherein the accumulation portion comprises:
a movable roller guiding the reinforcing fiber bundle delivered from the supply mechanism toward the placement mechanism, the movable roller being movable;
a cylinder;
a piston arranged within the cylinder, wherein an outer surface of the piston and an inner surface of the cylinder have a gap therebetween in which air passes through;
a coupling member that couples the movable roller and the piston; and
a blower fluidly connected to the cylinder to discharge a fluid from a space on a side opposite to the coupling member with respect to the piston within the cylinder to adjust a force applied to the piston.