Patent · US Active

Hard material insert and core bit

US8186460B2 · kind B2 · utility

4Cited by

3References

5Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Luis Fernando Garcia · Chur, CH
Alfred Lammer · Mels, CH
Klaus-Peter Bohn · Gams, CH
Till Cramer · Feldkirch, AT
Peter Mugg · Bludenz, AT
Steven Moseley · Bludenz, AT

Key dates

Filing date	Mar 9, 2009
Grant date	May 29, 2012
Priority date	—
Expiry date	Jan 1, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23B2226/75
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A segmental hard material insert for a working tool has a planar polycrystalline diamond layer (13) having, in its layer plane, a main cutting element (16, 36) and a contact edge (15) located opposite the main cutting element, with the main cutting element (16, 36) having two, facing outwardly, convex cutting sections (17, 27; 37, 47) and a smooth, facing outwardly, concave transitional region (19; 39, 49) connecting the two convex cutting sections (17, 27; 37, 47), and with the apex (20; 40) of the transitional region (19; 39, 47) being located on a central line of the main cutting element (16; 36).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.