wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form

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 a ram exerts pressure on the material in a moulding space; Ram heads of special form

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 a ram exerts pressure on the material in a moulding space; Ram heads of special form

CPC subdivides this area 3x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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B28B 3/021 CPC only CPC only
B28B 3/022 CPC only CPC only
B28B 3/024 CPC only CPC only
B28B 3/025 CPC only CPC only
B28B 3/027 CPC only CPC only
B28B 3/028 CPC only CPC only
B28B 3/04 with one ram per mould (B28B3/10 takes precedence) IPC+CPC Available in IPC and CPC
B28B 3/08 with two or more rams per mould +2 CPC IPC+CPC Available in IPC and CPC
B28B 3/10 each charge of material being compressed against previously formed body IPC+CPC Available in IPC and CPC