Patent ID: 6368004
Filing Date: 2002-04-09
Classification: B43K

Abstract:
A pen point for a marking pen containing ink which comprises:a base portion formed from synthetic fibers, said synthetic fibers having a denier of between about 1 and about 10, said base portion having a pen tip which includes a lower portion, said base portion being formed by bundling said synthetic fibers, dipping said bundled synthetic fibers in a synthetic resin adhesive, drying and solidifying said bundled synthetic fibers, and shaping said lower portion of said pen tip into a knife-cut shape; and a coating member formed of a thermoplastic synthetic resin, said coating member being integrally formed with said base portion, wherein said coating member coats said base portion and has a thickness of between about 0.01 and about 2.00 mm; said lower portion of said pen tip being devoid of said coating member, said lower portion of said pen tip including a writing surface having first and second sides and first and second ends, said pen tip further including a pair of generally U-shaped lateral surfaces, each of said lateral surfaces extending upwardly and laterally outwardly from one of said first and second sides of said writing surface, wherein said pen tip of said base portion protrudes beyond said coating member by about 2.0 mm or less and one of said first and second ends of said writing surface is spaced farther apart from said coating member than the other of said first and second ends of said writing surface.