Extruding metal; Impact extrusion

Child Classifications

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• B21C 23/001 CPC only CPC only
• B21C 23/002 CPC only CPC only
• B21C 23/004 CPC only CPC only
• B21C 23/005 CPC only CPC only
• B21C 23/007 +1 CPC CPC only CPC only
• B21C 23/009 CPC only CPC only
• B21C 23/01 starting from material of particular form or shape, e.g. mechanically pre-treated (B21C23/22 takes precedence) IPC+CPC Available in IPC and CPC
• B21C 23/02 Making uncoated products IPC+CPC Available in IPC and CPC
• B21C 23/21 Presses specially adapted for extruding metal +4 CPC IPC+CPC Available in IPC and CPC
• B21C 23/22 Making metal-coated products; Making products from two or more metals IPC+CPC Available in IPC and CPC
• B21C 23/32 Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied IPC+CPC Available in IPC and CPC