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:
Mar. 17, 2020
Filed:
Jun. 29, 2018
Nippon Pillar Packing Co., Ltd., Osaka, JP;
Yuji Yanagitake, Osaka, JP;
Naoyuki Sawamoto, Osaka, JP;
Hiroki Tanabe, Osaka, JP;
Yuta Sato, Osaka, JP;
Kiyoshi Toyazaki, Osaka, JP;
NIPPON PILLAR PACKING CO., LTD., Osaka, JP;
Abstract
Provided is a spiral wound gasket that has improved conformability and that is capable of exhibiting sufficient sealability for flanges provided at joints, irrespective of the state of a gap between the flanges. The present invention provides a spiral wound gasket in which a laminate of a hoop member made of metal and a filler member is wound and integrated so as to have an opening at the center, where a bending angle constituting the bent portion is α (°), and a radius of curvature of the bent portion is r (mm).