DIFF Subgroup
B28B 3/12 wherein one or more rollers exert pressure on the material
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Producing shaped articles from the material by using presses; Presses specially adapted therefor > wherein one or more rollers exert pressure on the material
CPC:
Producing shaped articles from the material by using presses (shaping on moving conveyors B28B5/00); Presses specially adapted therefor (presses in general B30B) > wherein one or more rollers exert pressure on the material
Of 5 combined children, 3 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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- B28B 3/18 Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring IPC+CPC Available in IPC and CPC