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:
Aug. 08, 2006
Filed:
Mar. 31, 2003
Masaru Fujiwara, Sanda, JP;
Takahisa Ueda, Sanda, JP;
Masaru Fujiwara, Sanda, JP;
Takahisa Ueda, Sanda, JP;
Nippon Pillar Packing Co., Ltd., Osaka, JP;
Abstract
The present invention provides a gland packing in which impairment of the sealing performance due to cracks that unwillingly occur in an end portion in the width direction of an expanded graphite tape of a braiding yarn in the gland packing can be suppressed. In gland packingsbraiding yarns include braiding yarnsA in each of which an expanded graphite tapeis bent so as to contract in the width direction, and both end portionsin the width direction of the bent expanded graphite tapeare folded back, or braiding yarnsA in each of which at least an outer end portionin the width direction of a twisted expanded graphite tapeis folded back.