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. 19, 1999
Filed:
Aug. 28, 1998
Shigeru Oike, Aichi, JP;
The Pilot Ink Co., Ltd., Aichi, JP;
Abstract
A direct ink supply writing implement according to the present invention is provided with an ink reservoir made of a porous material disposed between a nib and an ink tank; a partition wall disposed between the ink reservoir and the ink tank and arranged to partition the ink reservoir and the ink tank from each other; a communication hole formed in the partition wall for establishing communication between the ink reservoir and the ink tank; a rod-shape ink guiding member which penetrates the partition wall and with which ink is supplied from the ink tank to the nib; and a compressed portion formed at a rear end of the ink reservoir and arranged to enhance capillary force as compared with other portions.