143 patents
Page 5 of 8
Utility
Coating and Coated Cutting Tool Comprising the Coating
8 Jul 21
A coating includes a layer having an alumina matrix and at least one of zirconia grains and hafnia grains in the alumina matrix.
Zhenyu Liu
Filed: 4 Jan 20
Utility
Grade Powders and Sintered Cemented Carbide Compositions
17 Jun 21
In one aspect, grade powder compositions are described herein comprising electrochemically processed sintered carbide scrap.
Pankaj K. Mehrotra, Pankaj B. Trivedi, Kent P. Mizgalski
Filed: 25 Feb 21
Utility
Rotary cutting tool and tool assembly
17 Jun 21
A rotary cutting tool comprises a tool body having an axis of rotation (L) and a cylindrical shank, which comprises at least one locking groove via which the cutting tool can be axially locked in a tool holder.
Michael Schuffenhauer
Filed: 15 Dec 20
Utility
Rotary cutting tool
10 Jun 21
A rotary cutting tool, in particular a drill, is described, which comprises a shank and an exchangeable cutting tip (14).
Horst Manfred Jäger, Berthold Heinrich Zeug
Filed: 4 Dec 20
Utility
Rotary Cutting Tool with Hybrid Cutting Insert Design
3 Jun 21
A rotary cutting tool includes a cutting head having a plurality of insert-receiving pockets for radially mounting a first type of cutting insert in a first cutting region and for tangentially mounting a second type of cutting insert in a second cutting region.
Lance David Brunetto, Ruy Frota de Souza Filho, Ronald Louis Dudzinsky
Filed: 2 Dec 19
Utility
Cutting Insert and Cutting System Comprising Cutting Insert
6 May 21
A cutting insert includes an upper surface having a circular cutting edge, a lower surface opposite the upper surface, an exterior sidewall between the upper surface and the lower surface, and an interior sidewall defining a hole extending from the upper surface to the lower surface.
Jean Luc Dufour
Filed: 2 Nov 19
Utility
Rotary Cutting Tools and Applications Thereof
22 Apr 21
In one aspect, rotary cutting tools are described herein comprising sets of coolant channels having exit aperture in the flutes of the tools for efficient coolant delivery to multiple cutting surfaces.
Xiangdong D. FANG, Paul D. Prichard, Kevin M. Gamble, David Wills, Jeff Lane
Filed: 17 Oct 19
Utility
Cutting Tool
8 Apr 21
The invention relates to a cutting tool, in particular a milling tool, which comprises a tool body on which at least one cutting edge is provided.
Alex Fraese, Werner Penkert, Michael Kreuzer
Filed: 8 Oct 20
Utility
Coated Nozzles for Arc Torches
8 Apr 21
In one aspect, nozzles for arc torches are described herein comprising refractory coatings for increasing nozzle operational lifetimes via resistance to weld splatter and the associated accumulation of molten metal deposits.
Robert J. VASINKO, Qingjun ZHENG, Corinne CHARLTON, Joern KOHLSCHEEN
Filed: 4 Oct 19
Utility
Cutting tool
1 Apr 21
Cutting tool for the rotary machining of workpieces, in particular a twist drill, with a cutting tip which has at least one main cutting edge and at least one free surface (24), wherein a flank face adjoins the main cutting edge radially to the outside, and wherein a flank angle of the flank face increases in a radially outward direction.
Christian Strauchmann, Jürgen Schwägerl, Herbert Rudolf Kauper
Filed: 24 Sep 20
Utility
Method for Producing a Cutting Tool, and Cutting Tool
25 Mar 21
A method for producing a cutting tool, in particular a drill bit, is specified wherein the cutting tool has a front end (F) at the front and a rear end (R) toward the rear, wherein a tool tip is formed on the front end (F), a point thinning is ground at the tool tip with a grinding tool, the point thinning being ground to be narrower toward the front than toward the rear.
Tim Guter, Jürgen Schwägerl
Filed: 7 Dec 20
Utility
Clamping Assembly, a Toolholder Assembly Comprising a Clamping Assembly and a Toolholder, and a Method of Changing a Toolholder In a Toolholder Assembly
11 Mar 21
A clamping assembly includes a base member having an internal bore, a lock rod within the internal bore of the base member and moveable in a forward direction and rearward direction between an unlocked position and a locked position, a crank wheel having an axis of rotation, and a linkage coupled to the lock rod and coupled to the crank wheel at a position radially offset from the axis of rotation of the crank wheel.
Logan M Semnisky, Alan J Bookheimer
Filed: 11 Sep 19
Utility
Cutting insert and cutting tool
11 Mar 21
The invention relates to a cutting insert having a polygonal upper side.
Konrad Spitzenberger
Filed: 3 Sep 20
Utility
Rotary Cutting Tool with Tunable Vibration Absorber Assembly for Suppressing Torsional Vibration
4 Mar 21
A rotary cutting tool includes a tool body including a chip flute portion having a plurality of helical chip flutes separated by lobes.
Ruy Frota de Souza Filho, Logan M. Semnisky
Filed: 29 Aug 19
Utility
Lightweight Cutting Tool
4 Mar 21
A lightweight cutting tool, such as a reamer, includes a front cutting body, a front cutting ring, a center tube, a rear cutting ring and a rear machine connection member.
Logan M. Semnisky, Alan J. Bookheimer, Ruy Frota de Souza Filho, Werner Penkert, Ingo Grillenberger, Dominik Schmid
Filed: 30 Aug 19
Utility
Self-aligning Adapter Block
4 Mar 21
Mounting assemblies for cutting tools are disclosed that include a base and an adapter block.
James R. GEYER, Eric P. HELSEL, Daniel J. MOUTHAAN
Filed: 27 Aug 19
Utility
Valve Seats and Valve Assemblies for Fluid End Applications
4 Mar 21
In one aspect, valve seats are described herein having structure and design addressing degradative stresses encountered by the seats during installation and operation in fluid ends.
Roger M. STARK, Carrie BARTKOWIAK, John BROSNAHAN, Michael KELLY
Filed: 16 Nov 20
Utility
Rotary Cutting Tool with Enhanced Coolant Delivery
25 Feb 21
A rotary cutting tool includes a main body, a shank portion having a rearward end, and a flute portion having a forward end with one or more flanks.
Ruy Frota de Souza Filho, Xiangdong D. Fang, Iranna Shidrameshetra
Filed: 21 Aug 19
Utility
Drill and method for producing a drill
11 Feb 21
The invention relates to a drill comprising a body which extends along a longitudinal axis (L) from a rear side (B) to a front side (F), wherein the body comprises a main cutting edge on the front side (F), wherein the body comprises at least one guide bevel which extends in axial direction (A) and toward the front side (F), wherein, toward the front side (F), the guide bevel has an end section which is tapered.
Herbert Rudolf Kauper, Christian Strauchmann, Jürgen Schwägerl
Filed: 7 Aug 20
Utility
Wear Resistant Articles and Applications Thereof
4 Feb 21
Martin G. PEREZ, Michael J. MEYER, Qingjun ZHENG
Filed: 17 Jul 20