IPC Subgroup
B30B 9/16 operating with two or more screws or worms
Introduced: September 1968
Last revised: January 2006
Full Title
Presses specially adapted for particular purposes > for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material > using pressing worms or screws co-operating with a permeable casing > operating with two or more screws or worms
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRESSES
- Subclass:
- PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR