Nib and methods of treating an elongate element designed to...

Details Nib and methods of treating an elongate element designed to... Nib and methods of treating an elongate element designed to...

2005-05-17

2005-05-17

Nguyen, Tuan (Department: 3751)

Coating implements with material supply

Material flows through porous tool

Wick feed from within reservoir to tool

C401S198000, C401S207000, C156S180000

Reexamination Certificate

active

06893181

ABSTRACT:
The nib is constituted by a segment of a coherent, elongate element of high porosity material, with at least a first end shaped to form a writing tip. The pores and/or capillaries of said material are blocked over a limited thickness e in particular in the range 0.01 mm to 1 mm, at the longitudinal outer periphery of the elongate element, with the exception of the first end forming a writing tip. In a first variant, blocking is obtained by a sealing agent and performed by continuously impregnating the elongate element with a sealing bath, and setting the agent. In a second variant, the nib is constituted by sintered microbeads and blocking is obtained by localized hot-melting of the microbeads.

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