The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2024
Filed:
Jan. 15, 2019
Applicant:
Nippon Pillar Packing Co., Ltd., Osaka, JP;
Inventors:
Masaru Fujiwara, Osaka, JP;
Misato Izuka, Osaka, JP;
Ryoji Hamaguchi, Osaka, JP;
Naoyuki Sawamoto, Osaka, JP;
Assignee:
NIPPON PILLAR PACKING CO., LTD., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
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);
U.S. Cl.
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);
Abstract
A yarn includes elongated pieces of expanded graphite sheet and a tubular member made of knitted or braided fibers. In the tubular member, the pieces of expanded graphite sheet are twisted and packed. The yarns are knitted, or bundles of the yarns are twisted to form a gland packing.