(under subclass 80.1) Apparatus comprising means for sequentially depositing layers of similar particles in such a manner that a line of demarcation is presented between the deposited layers, or depositing diverse fibers in such a manner as to form distinguishable layers.
SEE OR SEARCH CLASS
19, Textiles: Fiber Preparation,
302, for the formation of a stratified nonwoven web of fibers, and see the search notes therein for related fields of search.
