US 12,240,049 B2
Reamer
Jochen Kress, Aalen (DE); and Matthias Klasche, Bopfingen (DE)
Assigned to MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG, Aalen (DE)
Appl. No. 17/602,771
Filed by MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG, Aalen (DE)
PCT Filed Apr. 8, 2020, PCT No. PCT/EP2020/060002
§ 371(c)(1), (2) Date Oct. 10, 2021,
PCT Pub. No. WO2020/208067, PCT Pub. Date Oct. 15, 2020.
Claims priority of application No. 10 2019 205 260.6 (DE), filed on Apr. 11, 2019.
Prior Publication US 2022/0152714 A1, May 19, 2022
Int. Cl. B23D 77/02 (2006.01)
CPC B23D 77/02 (2013.01) [B23D 2277/061 (2013.01); B23D 2277/105 (2013.01); B23D 2277/205 (2013.01); B23D 2277/74 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A reamer (3), having
a main body (5) and
at least one cutting tip (1) arranged on the main body (5),
the cutting tip (1) having a reamer section (7),
the cutting tip (1) having, at a distance (A) from the reamer section (7), a roughening section (9) having at least one roughening blade (11), the at least one roughening blade (11) protruding beyond the reamer section (7) by a particular projection (D), wherein a plurality of cutting tips (1) are arranged on the main body (5), and at least a portion of the plurality of cutting tips (1) differ in the distance (A) at which the roughening section (9) is offset from the reamer section (7).