139 patents
Utility
Rotary cutting tool with high ramp angle capability
9 Jan 24
A rotary cutting tool includes a shank portion, a cutting portion, and a cutting tip.
Leonid B. Sharivker, Sergei Boulakhov, Stephen M. George, John Boyea
Filed: 4 Nov 21
Utility
Cutting tool
2 Jan 24
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
Evaporator body with titanium hydride coating, method for the production and usage thereof
19 Dec 23
An evaporator body for a PVD coating system comprises a basic body and an evaporator surface, to which a titanium dihydride layer is applied.
Rodrigue Ngoumeni Yappi, Hubert Josef Schweiger, Rudolf Karl Grau
Filed: 14 Apr 20
Utility
Modular drill and method for using a modular drill
12 Dec 23
A modular drill including a shank having a shank bore therein, a guide pin tip disposed in the shank bore, a cutting tip, and a connection shaft coupled to the cutting tip, the connection shaft having a connection shaft sidewall and a guide path therein for guiding the guide pin tip therethrough while the connection shaft moves through the shank bore.
Marcelo Euripedes da Silva, Patrick Kuhlemann, Christoph Gey, Michael Schuffenhauer, Berthold Heinrich Zeug
Filed: 28 Jun 21
Utility
Cutting tool
12 Dec 23
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
Damper system for cutting tool
21 Nov 23
A damper system for a cutting tool is provided having at least one damper body that is added to a cutter body of the cutting tool to help dampen a vibration when the cutting tool is placed in use.
Alan J. Bookheimer
Filed: 30 Sep 21
Utility
Drill
21 Nov 23
The invention relates to a drill comprising a drill tip, wherein the drill tip comprises at least one main cutting edge having a cutting corner, from which the main cutting edge extends to a center, wherein the drill tip comprises at least one additional cutting edge having an additional cutting corner, from which the additional cutting edge extends in the direction of the center, wherein the additional cutting edge is formed only on an outer portion of the drill tip and is thus shorter than the main cutting edge, wherein the additional cutting corner projects beyond the cutting corner.
Herbert Rudolf Kauper, Jürgen Schwägerl, Christian Strauchmann
Filed: 25 Mar 21
Utility
Cemented carbide compositions and applications thereof
21 Nov 23
Sintered cemented carbides are described herein exhibiting enhanced high temperature properties without dramatic losses in bending strength.
Manfred Wolf, Armin Helldoerfer
Filed: 27 Apr 20
Utility
Washerless cutting tool assembly
21 Nov 23
A washerless cutting tool assembly includes a cutting tool holder and a rotatable cutting tool at least partially disposed within the cutting tool holder.
Brandon J. Kenno, James R. Geyer
Filed: 18 Jan 23
Utility
Cutting insert and cutting tool comprising cutting insert
7 Nov 23
A cutting tool includes a toolholder and a cutting insert.
Xiangdong D. Fang, Qiang Wu, Jean-luc Dufour, Andreas Wuerfels
Filed: 15 Mar 21
Utility
Cutting tool comprising toolholder and round cutting insert and method for repositioning the round cutting insert in a pocket of the toolholder
17 Oct 23
A cutting tool including a toolholder and a round cutting insert for mounting on a pocket floor of the toolholder.
Jean Luc Dufour
Filed: 26 Apr 21
Utility
Cutting insert and cutting tool
3 Oct 23
The invention relates to a cutting insert having a polygonal upper side.
Konrad Spitzenberger
Filed: 27 Jun 22
Utility
Coating, method for coating, and coated cutting tool
22 Aug 23
A coating includes a first base layer including a nitride of at least Al and Cr, a second base layer including a nitride of at least Al and Cr overlying the first base layer, and an outermost indicator layer overlying the second base layer.
Joern Kohlscheen
Filed: 19 Apr 21
Utility
Hydraulic tool mount and sealing piston for such a mount
22 Aug 23
The invention relates to a hydraulic tool mount having a bore into which a sealing piston is inserted, wherein the sealing piston comprises a pin, a seal and a head which are arranged one behind the other in an axial direction (A) and thus form a stack, wherein the seal comprises a circumferential sealing lip for abutment and sealing against an inner wall of the bore in order to achieve a first sealing effect, and the bore comprises a sealing seat which, when the sealing piston is inserted, forms a stop for the head in axial direction (A), so that, in an end position of the sealing piston, the head abuts the sealing seat and thereby closes the bore in order to achieve a second sealing effect.
Santhosha Boregowda, Josef Konrad Herud
Filed: 9 Oct 20
Utility
Cubic phase refractory coatings and applications thereof
15 Aug 23
In one aspect, refractory coatings are described herein having multiple cubic phases.
Joern Kohlscheen
Filed: 10 Mar 22
Utility
Tool retainer
8 Aug 23
A tool retainer is provided.
Arkadiusz Dlugosz, James R. Geyer
Filed: 10 Sep 21
Utility
Indexable drill insert
8 Aug 23
An indexable drill insert (10) includes a top surface (12), a bottom surface (14), and a plurality of side surfaces (16) adjoining the top surface (12) and the bottom surface (14).
Mahesh Todkar
Filed: 13 Aug 20
Utility
Drill and method for producing a drill
25 Jul 23
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
Rotary cutting tool with tunable vibration absorber assembly for suppressing torsional vibration
4 Jul 23
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: 13 May 21
Utility
Method for producing a blank from extrusion material, and extruder
23 May 23
The invention relates to a method for producing a blank, in particular a blank for the production of a cutting tool, wherein a green body extending in the direction of the extrusion axis is produced from extrusion material by means of an extruder which has an extrusion channel extending along an extrusion axis; wherein the extrusion channel together with a movable mold element forms a die of the extruder; and wherein the mold element is moved relative to the extrusion channel and within said extrusion channel during the extrusion of the green body, whereby the shaping geometry of the die is changed so that the completely extruded green body hereby has a first functional segment and a second functional segment adjacent thereto in the direction of the extrusion axis (4); wherein the two functional segments differ with regard to their geometries impressed by the die.
Raouf Ben Amor, Augustin Donhardt, Tim Guter, Bjoern Hoschke, Guenther Hoyer, Herbert Rudolf Kauper, Klaus Roediger, Fabian Rosenberger, Jürgen Schwägerl
Filed: 26 Feb 19