Button-type inserts (E21B10/52 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Button-type inserts

CPC: Button-type inserts (E21B10/52 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Drill bits > characterised by wear resisting parts, e.g. diamond inserts > Button-type inserts

CPC:

Drill bits (specially adapted for deflecting the direction of boring ; with means for collecting substances E21B27/00) > characterised by wear resisting parts, e.g. diamond inserts > Button-type inserts (E21B10/52 takes precedence)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2006.

Child Classifications

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E21B 10/567 with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts since 2006 +3 CPC IPC+CPC Available in IPC and CPC