Zirconia pen balls

Details Zirconia pen balls Zirconia pen balls

B - Operations, Transporting

43

K

23/252, 261/27,

B43K 1/08 (2006.01) C04B 35/48 (2006.01) C04B 35/486 (2006.01)

Patent

CA 1253671

ABSTRACT A liquid transfer ball formed from sintered zirconium oxide particles which exhibits utility as the ball element of a ball pen writing instrument to transfer ink from an ink reservoir to a writing surface such as paper. The ball exhibits a porosity of less than 8% by volume and is immune to corrosive action of inks.

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