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:
Sep. 10, 2019
Filed:
Mar. 18, 2016
Nippon Pillar Packing Co., Ltd., Osaka, JP;
Hideto Hashiguchi, Osaka, JP;
Go Takayama, Osaka, JP;
NIPPON PILLAR PACKING CO., LTD., Osaka, JP;
Abstract
To provide a gland packing capable of suppressing a fluid from permeating into a packing body or leaking from the packing body through a contact surface between a laminating member and a protrusion of the packing body. The gland packing includes an annular packing body () which is formed by winding an expanded graphite tape material in a spiral shape and a laminating member () that is bonded to an axial end surface of the packing body () and is formed of an annular expanded graphite sheet material, the axial end surface of the packing body () being provided with a protrusion () facing and contacting an inner peripheral portion or an outer peripheral portion of the laminating member () in the radial direction, in which a contact surface () between the protrusion () and the laminating member () is formed so that a radius changes in at least a part in the axial direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile