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US 2002/0119255 A1Published application
Method and apparatus for making particle-embedded webs
OwnerRanjith Divigalpitiya, David E. Livingstoneinventors
Life of this patent
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Abstract
The invention is an apparatus for dispensing particles onto a surface. The apparatus includes a hopper for receiving particles. The hopper includes a hopper opening. The screen is disposed over the hopper opening so as to cover the opening. A brush is disposed approximate to the screen such that bristles on the brush contact the screen.
Claims30
An apparatus for dispensing particles onto a surface comprising:
- a hopper for receiving particles including:
- a hopper opening;
- a screen disposed so as to cover the hopper opening;
- and
- a brush disposed proximate to the screen such that bristles on the brush contact the screen;
- a cradle rotatably supporting the brush wherein the brush includes a longitudinal axis;
- and
- a pivot mount secured to the cradle, the pivot mount having a pivot axis disposed perpendicularly with respect to the longitudinal axis of the brush so as to allow the brush to rotate about the pivot axis of the pivot mount.
5 more elements
A method for dispensing particles onto a surface comprising:
- holding the particles in a hopper having an opening;
- dispensing a screen over the opening;
- passing bristles of a brush across the screen;
- drawing the particles through the screen with the brush;
- and
- dispersing the particles into the air such that they settle onto the surface.
3 more elements
Dependencies are inferred from the claim text.