IPC Subgroup
B29B 7/48 with intermeshing devices, e.g. screws
Introduced: January 1985
Last revised: January 2006
Full Title
Mixing; Kneading > continuous, with mechanical mixing or kneading devices > with movable mixing or kneading devices > rotary > with more than one shaft > with intermeshing devices, e.g. screws
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- Subclass:
- PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS