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1. WO2021065724 - BAKED COLOR PENCIL LEAD

Publication Number WO/2021/065724
Publication Date 08.04.2021
International Application No. PCT/JP2020/036293
International Filing Date 25.09.2020
IPC
B43K 19/02 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
KIMPLEMENTS FOR WRITING OR DRAWING
19Non-propelling pencils; Styles; Crayons; Chalks
02Pencils with graphite; Coloured pencils
B43K 19/18 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
KIMPLEMENTS FOR WRITING OR DRAWING
19Non-propelling pencils; Styles; Crayons; Chalks
16Making non-propelling pencils
18Making pencil writing-cores
C09D 13/00 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
13Pencil-leads; Crayon compositions; Chalk compositions
Applicants
  • 株式会社パイロットコーポレーション KABUSHIKI KAISHA PILOT CORPORATION (ALSO TRADING AS PILOT CORPORATION) [JP]/[JP]
Inventors
  • 神林 宏信 KANBAYASHI Hironobu
  • 乾 太郎 INUI Taro
Agents
  • 中村 行孝 NAKAMURA Yukitaka
  • 朝倉 悟 ASAKURA Satoru
  • 前川 英明 MAEKAWA Hideaki
  • 遠藤 逸子 ENDO Itsuko
Priority Data
2019-18036030.09.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) BAKED COLOR PENCIL LEAD
(FR) MINE DE CRAYON DE COULEUR CUITE
(JA) 焼成色鉛筆芯
Abstract
(EN)
[Problem] To provide a color pencil lead which exhibits excellent physical strength, while having excellent writing erasability and smooth feel of writing. [Solution] A color pencil lead according to the present invention comprises: a porous lead body that contains an extender, an inorganic binder and a solid-state coloring agent; and a slightly volatile liquid that is filled in the pores of the porous lead body.
(FR)
Le problème décrit par l'invention est de fournir une mine de crayon de couleur qui présente une excellente résistance physique, tout en ayant une excellente capacité d'effacement d'écriture et une sensation lisse d'écriture. La solution selon l'invention porte sur une mine de crayon de couleur qui comprend : un corps de mine poreux qui contient une matière de charge, un liant inorganique et un agent de coloration à l'état solide ; et un liquide légèrement volatil qui est introduit dans les pores du corps de mine poreux.
(JA)
[課題]筆跡の消去性に優れ、書き味が滑らかで物理的強度に優れた色鉛筆芯の提供。 [解決手段]本発明による色鉛筆芯は、体質材と無機結合材と固体状着色剤とを含んでなる多孔性芯体と、前記多孔性芯体の気孔中に充填された難揮発性液体 と、を含んでなるものである。
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