Title:
FRICTION BODY, AND WRITING TOOL AND WRITING SET
Document Type and Number:
WIPO Patent Application WO/2018/116767
Kind Code:
A1
Abstract:
A friction body that uses frictional heat to discolor thermochromic-ink handwriting. The friction body comprises a viscoelastic body, with a value of Shore A hardness (based on JIS K 7215) immediately after the start of contact of an indenter point being in a range of 55 to 95 inclusive.
Inventors:
SENGA KUNIYUKI (JP)
Application Number:
PCT/JP2017/042836
Publication Date:
June 28, 2018
Filing Date:
November 29, 2017
Export Citation:
Assignee:
KK PILOT CORPORATION ALSO TRADING AS PILOT CORPORATION (JP)
International Classes:
B43K29/02; B43K7/12
Domestic Patent References:
| WO2011055803A1 | 2011-05-12 |
Foreign References:
| JP2006123324A | 2006-05-18 | |||
| JP2012082401A | 2012-04-26 | |||
| JP2004244489A | 2004-09-02 | |||
| JP2009143207A | 2009-07-02 | |||
| JP2009285927A | 2009-12-10 | |||
| JP2009143207A | 2009-07-02 | |||
| JP2011136556A | 2011-07-14 | |||
| JPS5144706B2 | 1976-11-30 | |||
| JPS5144707B2 | 1976-11-30 | |||
| JPH0129398B2 | 1989-06-09 | |||
| JPH0417154B2 | 1992-03-25 | |||
| JPH07179777A | 1995-07-18 | |||
| JPH0733997B2 | 1995-04-12 | |||
| JPH0839936A | 1996-02-13 | |||
| JP2006137886A | 2006-06-01 | |||
| JP2006188660A | 2006-07-20 | |||
| JP2008045062A | 2008-02-28 | |||
| JP2008280523A | 2008-11-20 | |||
| JP2016245347A | 2016-12-19 |
Other References:
See also references of EP 3556570A4
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
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