US 11,982,355 B2
Yarn and gland packing
Masaru Fujiwara, Osaka (JP); Misato Izuka, Osaka (JP); Ryoji Hamaguchi, Osaka (JP); and Naoyuki Sawamoto, Osaka (JP)
Assigned to NIPPON PILLAR PACKING CO., LTD., Osaka (JP)
Appl. No. 16/963,328
Filed by NIPPON PILLAR PACKING CO., LTD., Osaka (JP)
PCT Filed Jan. 15, 2019, PCT No. PCT/JP2019/000890
§ 371(c)(1), (2) Date Jul. 20, 2020,
PCT Pub. No. WO2019/187503, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 2018-067566 (JP), filed on Mar. 30, 2018.
Prior Publication US 2020/0347936 A1, Nov. 5, 2020
Int. Cl. F16J 15/22 (2006.01); D02G 3/04 (2006.01); D02G 3/06 (2006.01); D02G 3/36 (2006.01); D04B 1/22 (2006.01); D04B 9/44 (2006.01); D04B 21/20 (2006.01)
CPC F16J 15/22 (2013.01) [D02G 3/04 (2013.01); D02G 3/06 (2013.01); D02G 3/36 (2013.01); D04B 1/225 (2013.01); D04B 9/44 (2013.01); D04B 21/205 (2013.01); D10B 2101/12 (2013.01); D10B 2505/06 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A yarn comprising elongated pieces of expanded graphite sheet that are packed in a tubular member made of knitted or braided fibers,
each of the elongated pieces of expanded graphite sheet having an elongated, thin-plate-like shape twisted around its own longitudinal center line at one or more turns, wherein a longitudinal end of the elongated, thin-plate-like shape is rotated by 180 degrees per turn around the longitudinal center line while another longitudinal end thereof is fixed.