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:
Oct. 09, 2012
Filed:
Jun. 13, 2000
Takahisa Ueda, Sanda, JP;
Masaru Fujiwara, Hyogo, JP;
Takahisa Ueda, Sanda, JP;
Masaru Fujiwara, Hyogo, JP;
Nippon Pillar Packaging Co., Ltd., Yodogawa-ku, Osaka-shi, Osaka, JP;
Abstract
A gland packing which is made of a material configured by windingly laminating an expanded graphite tape into a spiral shape. In the gland packing, ring-like projected parts are disposed on end faces of a die mold packing part made of an expanded graphite tape windingly laminated into a spiral shape so as to be integrated with the part. Ring-like seal members are brought into tight contact with the end faces of the die mold packing part excluding the ring-like projected parts in such a manner that the ring-like projected parts are projected in an axial direction beyond the outer faces of the respective ring-like seal members.