US 11,680,372 B2
Fiber body forming method and fiber body forming apparatus
Tetsuya Aoyama, Shiojiri (JP); Shinichi Kato, Matsumoto (JP); Shigemi Wakabayashi, Azumino (JP); and Kaneo Yoda, Okaya (JP)
Assigned to SEIKO EPSON CORPORATION, Tokyo (JP)
Filed by SEIKO EPSON CORPORATION, Tokyo (JP)
Filed on Apr. 29, 2022, as Appl. No. 17/733,236.
Application 17/733,236 is a continuation of application No. 16/695,261, filed on Nov. 26, 2019, granted, now 11,346,054.
Claims priority of application No. JP2018-221157 (JP), filed on Nov. 27, 2018; application No. JP2018-221158 (JP), filed on Nov. 27, 2018; and application No. JP2019-031639 (JP), filed on Feb. 25, 2019.
Prior Publication US 2022/0251786 A1, Aug. 11, 2022
Int. Cl. D21H 23/24 (2006.01); B41M 5/00 (2006.01); D21H 19/12 (2006.01); D21H 23/30 (2006.01); D21H 23/50 (2006.01); D21H 23/72 (2006.01)
CPC D21H 23/24 (2013.01) [B41M 5/0035 (2013.01); D21H 19/12 (2013.01); D21H 23/30 (2013.01); D21H 23/50 (2013.01); D21H 23/72 (2013.01)] 11 Claims
 
1. A method of forming a fiber body, the method comprising:
defibrating a raw material in air to provide fibers;
depositing the fibers in air onto a belt;
applying pressure to the deposited fibers to form a pressurized web; and
applying a liquid containing an additive to two surfaces of the pressurized web.