Indexable Drill Assembly With Coolant System

Abstract: ABSTRACT INDEXABLE DRILL ASSEMBLY WITH COOLANT SYSTEM An indexable drill insert (10) includes a drill body (12) having a central longitudinal rotational axis (Cl), the drill body (12) comprising a shank portion (14) and a fluted cutting portion (16), the fluted cutting portion (16) having a front clearance face (20) and a plurality of flutes (22), the fluted cutting portion (16) includes a central insert pocket (24) capable of receiving a central cutting insert (100) and a peripheral insert pocket (26) capable of receiving a peripheral cutting insert (200). For the central cutting insert (100), a central, longitudinal axis (42) of a projection (40) of the flute coolant exit aperture (36) can intersect a vertical plane (PA1) having an area (A1) or a horizontal plane (PB1) having an area (A2). For the peripheral cutting insert (200), the central, longitudinal axis (42) of the projection (40) can intersect a vertical plane (PA2) having an area (A3) or a horizontal plane (PB2) having an area (A4). Figs. 1-4 are the representative figures.

Patent Information

Application #

Filing Date

17 August 2021

Publication Number

12/2023

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

ipo@knspartners.com

Parent Application

Applicants

KENNAMETAL INDIA LIMITED

8/9th Mile, Tumkur Road, Bangalore – 560073, Karnataka, India

KENNAMETAL INDIA LIMITED

8/9th Mile, Tumkur Road, Bangalore – 560073, Karnataka, India

Inventors

1. Ravi Halasur

C/o Kennametal India Limited 8/9th Mile, Tumkur Road, Bangalore – 560073, Karnataka, India

2. Ravi Halasur

C/o Kennametal India Limited 8/9th Mile, Tumkur Road, Bangalore – 560073, Karnataka, India

3. Mahesh Todkar

C/o Kennametal India Limited 8/9th Mile, Tumkur Road, Bangalore – 560073, Karnataka, India

4. Mahesh Todkar

C/o Kennametal India Limited 8/9th Mile, Tumkur Road, Bangalore – 560073, Karnataka, India

Specification

Claims:As attached , Description:As attached

Documents

Application Documents

#	Name	Date
1	202141037157-STATEMENT OF UNDERTAKING (FORM 3) [17-08-2021(online)].pdf	2021-08-17
2	202141037157-FORM 1 [17-08-2021(online)].pdf	2021-08-17
3	202141037157-DRAWINGS [17-08-2021(online)].pdf	2021-08-17
4	202141037157-DECLARATION OF INVENTORSHIP (FORM 5) [17-08-2021(online)].pdf	2021-08-17
5	202141037157-COMPLETE SPECIFICATION [17-08-2021(online)].pdf	2021-08-17
6	202141037157-Proof of Right [03-11-2021(online)].pdf	2021-11-03
7	202141037157-FORM-26 [16-11-2021(online)].pdf	2021-11-16
8	202141037157-REQUEST FOR CERTIFIED COPY [17-06-2022(online)].pdf	2022-06-17
9	202141037157-FORM 3 [24-04-2024(online)].pdf	2024-04-24
10	202141037157-FORM 18 [20-06-2025(online)].pdf	2025-06-20