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Patent Searching and Data


Title:
WRITING IMPLEMENT
Document Type and Number:
WIPO Patent Application WO/2017/115843
Kind Code:
A1
Abstract:
Provided is a writing implement capable of drawing lines using capillary action, wherein the width of the line can be freely adjusted while the line is being drawn and it is possible to draw lines of almost the same width at the beginning of the use of the writing implement as at the end of use. A felt-tip pen 1 is provided with an ink reservoir 11, a collector 17, and a core 29 for drawing by capillary action the ink that has been dispensed by the collector 17, dispensing the drawn ink from the tip , and adhering same to a paper surface. Even in repetitive writing, the rate of variability in the width of the lines drawn at the end of use with respect to the width of lines drawn at the beginning of use is 10% or less.

Inventors:
NAKAJIMA TOORU (JP)
KOBAYASHI YUSUKE (JP)
INOUE KENSUKE (JP)
FURUKAWA KAZUHIKO (JP)
Application Number:
PCT/JP2016/089092
Publication Date:
July 06, 2017
Filing Date:
December 28, 2016
Export Citation:
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Assignee:
MITSUBISHI PENCIL CO (JP)
International Classes:
B43K8/02
Foreign References:
JP2005131943A2005-05-26
JPH08290696A1996-11-05
JP2013252654A2013-12-19
JP2013252655A2013-12-19
Other References:
See also references of EP 3398788A4
Attorney, Agent or Firm:
NISHIJIMA Takaki et al. (JP)
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