IPC Subgroup
B30B 11/22 Extrusion presses; Dies therefor
Introduced: September 1968
Last revised: January 2006
Full Title
Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses > Extrusion presses; Dies therefor
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PRESSES
- Subclass:
- PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR
Related Keywords
extrusion presses in general
4 direct subcodes
Child Classifications
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- B30B 11/24 using screws or worms
- B30B 11/26 using press rams
- B30B 11/28 using perforated rollers or discs
- B30B 11/3 using directly-acting fluid pressure