公开(公告)号：US20210388557A1

公开(公告)日：2021-12-16

申请号：US16491655

申请日：2018-03-08

Applicant: SPIBER INC. ,  KOJIMA INDUSTRIES CORPORATION

Inventor： Masataka KAJI ,  Ryuhei ENDO ,  Satoshi MiYAGUCHI ,  Kohsuke TOGASHI ,  Daichi YAMAGAMI ,  Mizuki IGARASHI ,  Takahito NISHIKADO

IPC: D06M11/05

Abstract: The present invention relates to a method for producing a protein fiber, including a step of bringing a protein raw fiber containing a protein into contact with water vapor in a storing chamber in which a temperature is adjusted within a range of less than 120° C. to perform heat treatment of the protein raw fiber.