|
Match
|
Document |
Document Title |
|
|
8091459 |
Method and apparatus for making a rotary tool for chip removing machining
A method for manufacturing a rotary tool for chip removing machining with at least one chip flute that extends in the longitudinal direction of the tool. The method involves preparing a mixture of...
|
|
|
8043035 |
Coated drill and method of making the same
The present invention relates to a drill comprising a cemented carbide or high speed steel substrate and a coating wherein the coating comprises: a first layer system having a multilayered...
|
|
|
8029215 |
Spiral drill bit and method of forming same
A spiral drill bit for forming holes of a variety of sizes has a main body which provides first and second helical grooves. First and second flutes extend along the length of the main body to...
|
|
|
7922428 |
Coated bore cutting tools
A twist drill partially coated with TiN to increase wear resistance whilst minimising the transfer of coating particles to a work piece. The drill is selectively coated on the rake face (42); the...
|
|
|
7832966 |
Drill for making flat bottom hole
The present invention is directed to a helical drill configuration that allows substantially flat bottomed holes to be machined. At the cutting end of the body member, there are at least two...
|
|
|
7625521 |
Bonding of cutters in drill bits
A bit body formed of a mixture of matrix material and superabrasive powder and including pockets lined with superabrasive-free matrix material, and a method for forming the same, are provided. The...
|
|
|
7516686 |
Two-flute twist drill
A twist drill for use, predominantly by non-professional do-it-yourself workers incorporates a flute architecture with an internal ridge for promoting the break up of chips into short length...
|
|
|
7371344 |
Method and apparatus for manufacturing a blank for a rotary cutting tool
A blank for a rotary tool for chip removing machining, such as a helix drill or an end mill is formed by advancing a mixture of hard metal powder and carrier through an extrusion passage. The...
|
|
|
RE40297 |
Two-piece rotary metal-cutting tool and method for interconnecting the pieces
A tool includes a tool body and a cutting portion detachably mounted thereon, the tool being rotatable about a longitudinal center axis. The tool body includes flutes formed in an outer surface...
|
|
|
7340978 |
Method and apparatus for making a rotary tool for chip removing machining
A method for manufacturing a rotary tool for chip removing machining with at least one chip flute that extends in the longitudinal direction of the tool. The method involves preparing a mixture of...
|
|
|
7296497 |
Method and device for manufacturing a drill blank or a mill blank
The present invention relates to a method for manufacturing a drill blank or a mill blank by extrusion, said method comprising the forming of a first blank portion (B1) having external, axially...
|
|
|
7270504 |
Cutting tool for metal working as well as method in the production of cutting tools
A cutting tool and a method for the production of cutting tools for metalworking characterized in that the holder body of the tool first is submitted to a surface hardening that results in the...
|
|
|
7140815 |
Drill for making flat bottom hole
The present invention is directed to a helical drill configuration that allows substantially flat bottomed holes to be machined. At the cutting end of the body member, there are at least two...
|
|
|
6923602 |
Drill having construction for reducing thrust load in drilling operation, and method of manufacturing the drill
A drill including a shank portion and a cylindrical body portion contiguous to each other. The cylindrical body portion includes (a) primary cutting edges and secondary cutting edges formed in its...
|
|
|
6887125 |
Polishing apparatus, polishing method, control program for causing computer to execute polishing, and recording medium
A polishing apparatus includes a table on which a polishing target member is placed, and at least one nozzle which sprays a polishing solution to a surface of the polishing target member so as to...
|
|
|
6874978 |
Boring bit and methods for manufacturing boring bits
Boring bits and methods for manufacturing boring bits. The method includes the acts of forming a shank including one end connectable to a power tool and an opposite end, molding a cutting head...
|
|
|
6860172 |
Method for making a powdered metal compact
A method for producing a powdered metal compact for a cutting head to be used in a metal cutting tool uses a punch and die assembly. The resulting cutting head has apertures communicating between a...
|
|
|
6694847 |
Cutting tip and method thereof
A cutting tip having a three-layer laminated structure is provided. The tip is made from a disc-shaped three-layer laminate wherein a second layer consisting of a hard sintered compact of CBN or...
|
|
|
6688817 |
Drill for drilling, a method for making a drill for drilling, and a cutting tool
A method of making a drill comprising a tip (16), a shank (10) and a flute area having chip spaces (12, 14) formed therein, the drill being substantially completely coated with a hard material, and...
|
|
|
6676500 |
Drill bit sharpener
A drill bit sharpener includes a motor assembly and a drill bit grinding assembly. The motor assembly has a motor with a drive shaft to drive the drill bit grinding assembly, which includes a...
|
|
|
6588994 |
Drill bit tail
The invention is a tool bit for use in a socket or chuck mechanism. The tool bit includes an elongated shank having an operative tip end and an opposite tail end. A polymer jacket is molded about...
|
|
|
6585460 |
Drill having machine grindable cutting edge
A drill having a cutting edge that is less prone to chipping or fracturing when used in drilling operations, and that can be sharpened or resharpened uniformly and consistently from drill to drill...
|
|
|
6575674 |
Reaming tool and process for its production
A multi or single cutter reaming tool has a shaft and a shaped head with at least one cutter. The shaped head is produced from a blank having a base body of a base material on its envelope surface...
|
|
|
6572311 |
Two-piece drill bits
Two-piece drill bits and methods of manufacturing same provide a preferably hexagonal shank, and a drill portion having a proximal end inserted into an axial hole in a distal end of the shank. In a...
|
|
|
6540452 |
Drilling tool for machine tools and method for the production thereof
The invention relates to a drilling tool for machine tools and to a method for the production thereof. The drilling tool has at least one chip conveyor groove (16) and at least one functional...
|
|
|
6450739 |
Tool for chip removing machining and methods and apparatus for making the tool
A tool for chip-forming machining is made by passing first and second compounds through first and second coaxial dies, respectively, whereby the first material forms a center core of the tool, and...
|
|
|
6427555 |
Method of making drill-chuck jaw with hard-metal inserts
A drill-chuck jaw is made by first forming an elongated metal body with a toothed back face and a front face, then machining a longitudinally extending groove having sides and a floor in the front...
|
|
|
6371702 |
Spade blade drill and method of making
A spade blade drill having blended open notch forms on either side of an apex. The notches transition into elliptical flutes which extend outwardly toward sides of the insert. The elliptical flute...
|
|
|
6367567 |
Lockable drill steel and chuck assembly
A drill steel-chuck assembly which includes a drill steel which has a plurality of faces and opposite ends. The drill steel has one portion adjacent one of the opposite ends thereof and a mediate...
|
|
|
6200076 |
Cutting tool and method for producing the same
A method for producing cutting tools incorporated in the present invention is carried out as follows: a shank portion and a drill portion are formed separately such that the inner diameter of a...
|
|
|
6190097 |
Self-centering drill bit with pilot tip, and process
Significantly improved resistance to breaking while drilling in metal can be realized in twist drill bits having a web thickness taper which is about twice the web thickness taper specified in...
|
|
|
6132148 |
Machining tool and method for forming same
A machining tool and method of making same includes a blank that is formed to a shank and which is provided with machining faces. The machining faces are configured to expose material of a PCD or...
|
|
|
6105467 |
Method for preparing a cutting edge on an end mill
A method of increasing the length of time a tool maintains sharp cutting edges utilizes the steps of manufacturing the tool with the cutting edges ground sharp and then partially dulling, to a...
|
|
|
6030157 |
Composite drill bit using adhesive bond
A composite drill bit comprising a shank member having a bore disposed therein and an insert which is disposed within the bore such that a portion of the insert protrudes from the shank member. The...
|
|
|
6029544 |
Sintered diamond drill bits and method of making
A drill bit for cutting hard and abrasive materials has cutting lips formed from sintered polycrystalline diamond (PCD) or polycrystalline cubic boron nitride (PCBN) contained in one or more...
|
|
|
5979912 |
Heavy-metal shrink fit cutting tool mount
A mount for interfacing a cutting tool having a generally cylindrical shank portion to a tool holder having a central opening. The mount comprises an elongate, generally cylindrical shank member...
|
|
|
5975813 |
Single flute drill and method of construction
A wood drill and method for is manufacture are disclosed. A drill body has a single spiral land and a holding shank. The top of the web has an axial hole receiving a projection from a separate lead...
|
|
|
5927912 |
Composite drill bit using adhesive bond
A composite drill bit comprising a shank member having a bore disposed therein and an insert which is disposed within the bore such that a portion of the insert protrudes from the shank member. The...
|
|
|
5904939 |
Extruder for extrusion manufacturing
An apparatus for manufacturing a rod of hard metal or ceramic with at least one helical inner bore. A plasticized mass of hard metal or ceramic is simultaneously forced through a die and twisted....
|
|
|
5865574 |
Drill with coolant channels and method for its manufacture
A spiral drill includes a rear shank portion; a front tip; and a spiral (helical) middle portion extending therebetween. Spiral ribs are formed in the middle portion, and coolant channels extend...
|
|
|
5782145 |
Process for the fabrication of a multi-blade tool
A process for fabricating a multi-blade tool out of high strength tool steel and the tool fabricated therewith. The present invention is distinguished by the following steps. Initially, a profile,...
|
|
|
5780063 |
Apparatus for producing a hard metal or ceramic rod having helical bores
An extruder for extrusion manufacturing a rod of hard metal or ceramic with at least one helical inner bore. A plasticized mass of hard metal or ceramic is simultaneously forced through a die and...
|
|
|
5762538 |
Method and apparatus for honing an elongate rotary tool
A method of, and apparatus for, treating an elongate rotary tool that presents a sharp cutting edge are described. The method includes the steps of emitting under pressure from a nozzle an abrasive...
|
|
|
5746095 |
Method of forming rotary drilling tools
Method of forming rotary drilling tools (1) for working on materials subject to brittle failure, such as drilling tools or hammer drilling equipment, includes shaping an axially extending conveying...
|
|
|
5716170 |
Diamond coated cutting member and method of making the same
A diamond coated elongate rotary cutting member and method of making the same. The cutting member includes an axially forward cutting surface, a flute and a fluted land. The cutting member...
|
|
|
5690003 |
Method of forming a drill bit with debris conveying flute
A cutting tool or drill bit (10) has a shank (12) with two ends. A chucking end (14) is on one end of the shank (12) and a cutting end (16) is on the other end of the shank (12). At least one flute...
|
|
|
5634747 |
Spiral drill with coolant channels and method to manufacture a spiral drill
A spiral drill and a method to manufacture a spiral drill with two indexable inserts at different distances from the center line and two coolant channels, where the coolant channels (23,24) run...
|
|
|
5630478 |
Masonry drill bit and method of making a masonry drill bit
A masonry drill and method of manufacture is disclosed. The drill has an elongated axial body with at least one discharge groove and a transverse slot located at one end with a hardened drill bit...
|
|
|
5599144 |
Low friction flute tungsten carbon microdrill
A drill bit, and associated method of manufacture, characterized by the presence of a low friction coating on the drill flute surfaces and the absence of such coating from the facets on the cutting...
|
|
|
5598751 |
Cutting insert
A cutting insert having a cutting head and a coupling shank integral at one end thereof with the cutting head and including a screw threaded portion. The cutting insert is formed by a powder...
|