This class does not cover the working of plastics sheet material in a manner analogous to the working of paper, which is covered by class Fulltext... Hierarchy... Expanded...B31. [4]
In this class, the following term is used with the meaning indicated:
"plastics" means macromolecular compounds or compositions based on such compounds.
In this class, the following rules apply:
The working of plastics is, as far as possible, classified primarily according to the particular shaping technique used, e.g. in subclass Fulltext... Hierarchy... Expanded...B29C. [4]
A product is not classified in this class unless it results from a technique which is covered by this class.
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS [4]
B29B
Note(s)
In this subclass, it is desirable to add the indexing codes of subclass Fulltext... Hierarchy... Expanded...B29K. The indexing codes should be unlinked. [4]