...One of the manufacturers at that time was Tokuji Hayakawa (founder of the electrical machinery company Sharp). The "Screw Pencil" and "Propeller Pencil" that went on sale in 1915 were renamed the "Everready Mechanical Pencil" the following year, and since then mechanical pencils have been the general term in Japan (called mechanical pencils in English). In 1960, synthetic resin cores were developed in Japan, making it possible to manufacture extremely thin cores with diameters of 0.2 mm or 0.1 mm. *Some of the terminology that refers to "Eveready Mechanical Pencil" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…その時の製造業者のひとりに早川徳次(電気機械会社シャープの創始者)があげられる。1915年に売り出された〈スクリュウペンシル〉〈プロペラペンシル〉が翌年〈エバレディシャープペンシル〉と改称され,以後日本ではシャープペンシルが総称となる(英語ではメカニカル・ペンシル)。1960年に合成樹脂芯が日本で開発され,芯径0.2mm,あるいは0.1mmのきわめて細いものが製造可能になった。… ※「エバレディシャープペンシル」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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