US 11,814,782 B2
Surface-processed fiber, method for manufacturing same, thread, and fiber product
Shozo Torigoe, Wakayama (JP)
Assigned to SHIMA SEIKI MFG., LTD., Wakayama (JP)
Appl. No. 16/613,715
Filed by SHIMA SEIKI MFG., LTD., Wakayama (JP)
PCT Filed May 2, 2018, PCT No. PCT/JP2018/017509
§ 371(c)(1), (2) Date Nov. 14, 2019,
PCT Pub. No. WO2018/211994, PCT Pub. Date Nov. 22, 2018.
Claims priority of application No. 2017-096633 (JP), filed on May 15, 2017.
Prior Publication US 2020/0071878 A1, Mar. 5, 2020
Int. Cl. D06M 15/15 (2006.01); D06M 15/71 (2006.01)
CPC D06M 15/15 (2013.01) [D06M 15/71 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A surface processed fiber comprising:
a base fiber comprising silk; and
a surface layer on the base fiber, wherein the surface layer comprises feather-derived keratin, wherein the surface layer is divided into a plurality of particles by cracks formed in longitudinal and circumferential directions with respect to a longitudinal direction of the base fiber, and wherein the particles are partially peeled off at ends thereof in the longitudinal direction of the base fiber.