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US 10,195,635 B2Granted
Multicomponent sintered porous liquid applicator nibs
AssigneePorex Corporation
InventorKevin Sporrer
Life of this patent
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Abstract
A porous sintered multicomponent applicator nib and methods of making and using these nibs. The porous nibs are made from sintered plastic particles. These nibs are used with liquid applicators devices, medical devices, writing tools or cosmetic applicators to apply liquids containing high solids or pigments to surfaces such as metal, paper, skin, hair, tissue or a wound.
Claims25
A porous sintered nib comprising:
- a porous shank;
- a porous nub;
- and,
- a porous head, wherein the shank contacts a first end of the nub and the head contacts a second end of the nub,
- wherein the shank has an average pore size that is greater than an average pore size of the nub, and the nub has an average pore size that is greater than an average pore size of the head.
2 more elements
A porous sintered nib comprising:
- a porous shank;
- and,
- a porous head,
- wherein the shank has a first end to contact liquid in a reservoir and a second end to contact the porous head,
- wherein the head has a body and a tip,
- wherein the first end of the shank has an average pore size that is greater than an average pore size of the second end of the shank, and the body of the head has an average pore size that is greater than an average pore size of the tip of the head.
3 more elements
Dependencies are inferred from the claim text.