Electrostatic method and apparatus for making a patterned, non-woven sheet
OwnerJames T. Candorinventor
Life of this patent
Estimating the term…
Abstract
A method and apparatus for making a patterned non-woven sheet by providing a slurry of fluid and fibers and forming the slurry into a sheet-like form. An electrostatic field action is provided that acts on the sheet-like form and causes the fibers to be arranged into a predetermined pattern whereby said patterned non-woven sheet is electrostatically formed.
Claims20
A method of making a patterned non-woven sheet comprising the steps of providing a slurry of fluid and fibers, forming said slurry into sheet-like form, and creating an electrostatic field action that acts on said sheet-like form and causes said fibers to be arranged into a predetermined pattern.
An apparatus for making a patterned non-woven sheet comprising means for supplying a slurry of fluid and fibers, means for forming said slurry into sheet-like form, and means for creating an electrostatic field action to act on said sheet-like form and cause said fibers thereof to be arranged into a predetermined pattern.
Dependencies are inferred from the claim text.