Title:
WRITING UTENSIL CONTAINING FRESH INK
Document Type and Number:
Japanese Patent JP2014188970
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a writing utensil containing fresh ink capable of accurately preventing ink leakage.SOLUTION: In the writing utensil containing fresh ink, an inner cylindrical body 2, whose rear end is closed and in which an ink occlusion body 3 is stored, is fitted into a cylindrical main body 1 to make a space between both bodies as an ink tank 4, and ink in the ink tank 4 is supplied through an ink supply hole 2b, formed on a wall face of the inner cylindrical body 2, to the ink occlusion body 3 and a pen lead 5 mounted on the apex part of the body 3. In the vicinity of the rear end portion of the pen lead 5 of the ink occlusion body 3 is formed a portion with a dense fiber structure, and in the inner cylindrical body 2 is formed an ink supply tube 2d that extends from the bottom toward the pen lead. The ink supply hole 2b and a tip opening portion 2e of the ink supply tube 2d are opened toward the portion with a dense fiber structure of the ink occlusion body 3.
More Like This:
WO/2005/041149 | WRITING INSTRUMENT, IN PARTICULAR A ROLLER BALL PEN COMPRISING AN INFORMATION SUPPORT |
WO/1999/012751 | WRITING UTENSIL |
Inventors:
NISHIKAWA TAKAHIRO
KAGEYAMA TOMOHIRO
KAGEYAMA TOMOHIRO
Application Number:
JP2013068980A
Publication Date:
October 06, 2014
Filing Date:
March 28, 2013
Export Citation:
Assignee:
SHACHIHATA INC
International Classes:
B43K8/03; A45D34/04; B05C17/00; B43L19/00
Domestic Patent References:
JPS6384996A | 1988-04-15 | |||
JP2003226091A | 2003-08-12 | |||
JP2008183896A | 2008-08-14 |
Foreign References:
DE3642037A1 | 1988-06-23 |
Attorney, Agent or Firm:
Fumio Yamamoto
Tatsuo Watanuki
Sekine Yufu
Tatsuo Watanuki
Sekine Yufu