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:
Feb. 14, 2006
Filed:
May. 29, 2003
Norio Yamada, Tokyo, JP;
Ryusuke Ota, Tokyo, JP;
Norio Yamada, Tokyo, JP;
Ryusuke Ota, Tokyo, JP;
Pentel Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide an applicator which is free from ink leakage under any usage-environmental conditions, is suitable for oil-based ink, maintains appropriate ink delivery and is produced at low cost. The applicator in accordance with this invention is a raw-ink applicator of an automatic delivery type, wherein, with the application body facing downward, an ink flow path on the application body side is arranged on the lower side relative to the ink connecting opening of the ink reservoir while an ink flow path on the ink absorber side and a ventilation annulus are arranged on the upper side relative to the ink connecting opening, the ink absorber is divided into two so that it communicates with the ink in the ink reservoir only in the opening of the ink connection opening, and in the ink flow path the relation, A<B<C, holds, where A represents the density of the rear portion of the flow path on the ink absorber side, B represents the density of the front portion of the flow path on the ink absorber side, and C represents the density the ink flow path on the application body side.