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1. WO2020193662 - ROTARY CUTTING TOOL, SUCH AS A DRILL OR A REAMER

Publication Number WO/2020/193662
Publication Date 01.10.2020
International Application No. PCT/EP2020/058431
International Filing Date 25.03.2020
IPC
B23B 51/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
51Tools for drilling machines
B23B 51/10 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
51Tools for drilling machines
10Bits for countersinking
B23D 77/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
77Reaming tools
CPC
B23B 2251/04
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
2251Details of tools for drilling machines
04Angles, e.g. cutting angles
B23B 2251/122
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
2251Details of tools for drilling machines
12Cross sectional views of the cutting edges
122Bevelled cutting edges
B23B 2251/125
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
2251Details of tools for drilling machines
12Cross sectional views of the cutting edges
125Rounded cutting edges
B23B 2251/127
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
2251Details of tools for drilling machines
12Cross sectional views of the cutting edges
127Sharp cutting edges
B23B 51/009
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
51Tools for drilling machines
009Stepped drills
B23B 51/10
BPERFORMING OPERATIONS; TRANSPORTING
23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
BTURNING; BORING
51Tools for drilling machines
10Bits for countersinking
Applicants
  • DESGRANGES OUTILS COUPANTS [FR]/[FR]
Inventors
  • VERMOREL, Ludovic
  • RAKOTOMALALA-BONNEFOI, Tsiory
Agents
  • SEMAOUNE, Idriss
  • BUCHET, Anne
  • DENJEAN, Eric
  • PALIX, Stéphane
  • VUILLERMOZ, Bruno
Priority Data
FR190329128.03.2019FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) ROTARY CUTTING TOOL, SUCH AS A DRILL OR A REAMER
(FR) OUTIL ROTATIF DE COUPE, TEL QU'UN FORET OU UN ALESOIR
Abstract
(EN)
The invention concerns a rotary cutting tool (1), such as a drill (2) or a reamer (3), extending longitudinally along an axis (4) and comprising at least one main cutting edge (5) such that when the tool (1) is rotated about the axis (4), the tool (1) moves forward axially to perform a cutting operation on a material. According to the invention, the tool (1) comprises braking means (7) for braking the forward axial movement of the tool (1) during the cutting operation.
(FR)
L'invention concerne un outil (1) rotatif de coupe, tel qu'un foret (2) ou un alésoir (3), s'étendant longitudinalement selon un axe (4) et comportant au moins une arête de coupe principale (5) de sorte que lorsque l'outil (1) est entrainé en rotation autour de l'axe (4), l'outil (1) avance axialement pour réaliser une opération de coupe d'une matière. Selon l'invention, l'outil (1) comprend des moyens de freinage (7) de l'avance axiale de l'outil (1) lors de l'opération de coupe.
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