Title:
WRITING IMPLEMENT
Document Type and Number:
WIPO Patent Application WO/2021/029255
Kind Code:
A1
Abstract:
Provided is a writing implement having a pen point that maximizes an effective area of a visual recognition part with which a writing direction can be visually recognized with respect to the whole pen point without impairing ink outflowing properties. The writing implement of this shape is a writing implement A that is provided with a pen point 20 that guides ink supplied from a writing implement body 10 and has a visual recognition part with which a writing direction can be visually recognized, the pen point 20 having a retention part 40 having at least a visual recognition part and a writing part 25 that attaches a writing core 30 having a U-shaped or L-shaped contour to the retention body 40, the writing implement A characterized in that a portion contacting a lateral surface of the retention body 40 of the writing core 30 has a rectangular cross section.
Inventors:
IZAWA HIROTAKE (JP)
KAMITANI TOSHIMI (JP)
KAMITANI TOSHIMI (JP)
Application Number:
PCT/JP2020/029695
Publication Date:
February 18, 2021
Filing Date:
August 03, 2020
Export Citation:
Assignee:
MITSUBISHI PENCIL CO (JP)
International Classes:
B43K1/12; B43K8/02
Domestic Patent References:
| WO2018038199A1 | 2018-03-01 |
Foreign References:
| JP2018118482A | 2018-08-02 | |||
| JP2018134736A | 2018-08-30 | |||
| US20060093427A1 | 2006-05-04 | |||
| JP2020100031A | 2020-07-02 | |||
| JP2000052682A | 2000-02-22 | |||
| JP2018118420A | 2018-08-02 | |||
| JP2014050970A | 2014-03-20 | |||
| JP2018030293A | 2018-03-01 |
Attorney, Agent or Firm:
FUJIMOTO Eisuke et al. (JP)
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