In this subclass, the following expression is used with the meaning indicated:
"non-woven fabrics" means fabrics formed wholly or partly of textile material by processes comprising operations other than the weaving, knitting, braiding, lacing, or knotting of yarns, threads, or filaments for which provision is made in other subclasses of section D. This expression includes felts, cotton-wool and wadding.
In this subclass:
some of the non-woven fabrics can also be regarded as "layered products" within the meaning of subclass Fulltext... Hierarchy... Expanded...B32B, and further classification in that subclass should be considered in accordance with the notes thereto;
in cases where the making of non-woven fabrics involves the use of particular chemical compounds or compositions, e.g. for treating or bonding fibres, filaments, or yarns, further classification in other appropriate subclasses should also be considered.
By varying the proportions of fibres or threads, and the chemical compounds or compositions, the final products may be given the appearance of paper, cardboard, leather, or the like.
D04H
Subclass index
TYPES AND CONSTRUCTIONAL FEATURES OF NON-WOVEN FABRICS; APPARATUS AND PROCESSES FOR PRODUCING THEM
From short fibres; from long fibres; from mixture of short and long fibres
in association with fibre formation, e.g. immediately following extrusion of staple fibres
D04H 1/58
· ·
by applying, incorporating, or activating chemical or thermoplastic bonding agents, e.g. adhesives (in combination with needling Fulltext... Hierarchy... Expanded...D04H 1/48)
D04H 1/64
· · ·
the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions