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. 27, 2003
Filed:
Aug. 14, 2001
Masaru Fujiwara, Sanda, JP;
Takahisa Ueda, Sanda, JP;
Nippon Pillar Packaging 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 packings , braiding yarns include braiding yarns A in each of which an expanded graphite tape is bent so as to contract in the width direction, and both end portions in the width direction of the bent expanded graphite tape are folded back, or braiding yarns A in each of which at least an outer end portion ′ in the width direction of a twisted expanded graphite tape is folded back.