Coating implements with material supply – Material flows through porous tool – Wick feed from within reservoir to tool
Patent
1994-04-08
1996-01-02
Bratlie, Steven A.
Coating implements with material supply
Material flows through porous tool
Wick feed from within reservoir to tool
401198, B43K 802, B43K 812
Patent
active
054802504
ABSTRACT:
A porous dispenser for typewriter white-out, coloring, microcapsules and other coating materials is made with a relatively rigid open cell foam nib. The foam has an average of from 12 to 25 pores per linear centimeter with an average pore size from 0.4 to 2 microns. The nib rigidity can be provided by a hard material nib or by having a flexible porous foam material compressed from its original volume to from 1/10th to 1/20th its original volume. The nib has less than a 20% compression when subjected to a 400 gm/cm.sup.2 pressure. The nib can be used with a pigmented coating material, microcapsules or polish with an average particle size of from 0.4 to 1 micron.
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Bratlie Steven A.
Coughenour Clyde I.
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