Class 407/24 - Thread cutting

Subclass of Class 407 - Cutters, for shaping
Definition: Device adapted to form an intermeshing element on a body, which
No. of patents: 23
Last issue date: 06/14/2011

Number	Title	Issue Date
7959381	Thread milling tool A thread milling tool includes a proximal shank portion and a distal cutting portion. The cutting portion includes at least one thread milling tooth and at least one flute oriented helically, or spirally, about a central rotational axis of the tool. The cutting port...	06/14/2011
7419339	Drill thread milling cutter The invention relates to a drill thread milling cutter (1) for producing a bore and for the subsequent milling of a thread in the bore, said drill thread milling cutter (1) having a working region (2), on the circumference (3) of which a ...	09/02/2008
7377732	Thread mill having flute twisting in direction opposite to rotating direction A thread mill that is to be moved along a helical interpolation path while being rotated about an axis of the thread mill in a rotating direction, for forming a thread in a circumferential surface of a workpiece. The thread mill includes a cylindrical main body havi...	05/27/2008
7270503	Cutting tool for rotating and drilling into solid blocks The invention relates to a cutting tool for rotating and drilling into solid blocks, comprising a drill shank (1) and a cutting head (2) on one end. The cutting head (2) has a straight, front-face cutting edge (4) extending approximately ...	09/18/2007
7175370	Indexable cutting bit for turning An indexible cutting bit includes an upper side of polygonal contour defining at respective corners thereof a secondary cutting edge which extends between first and second main cutting edges. The secondary cutting edge includes, in order of closeness to the first ma...	02/13/2007
7107664	Screw thread cutting apparatus and method A thread cutting milling tool comprises a shank with a working portion formed with a recess for receiving a thread cutting insert. The thread cutting insert has one edge formed with a line of thread-form teeth of identical profile. The thread cutting teeth project l...	09/19/2006
7094010	Thread milling cutter, holder and a method for milling an external thread on a spigot The present invention relates to a thread milling cutter, which includes a cutting head, having a holder with a number of cutting insert pockets, a number of threading inserts, which are received in the cutting insert pockets and an attachment integrated with the cu...	08/22/2006
7044692	Screw thread cutting apparatus and method A thread cutting milling tool comprises a shank with a working portion formed with a recess for receiving a thread cutting insert. The thread cutting insert has one edge formed with a line of thread-form teeth of identical profile. The thread cutting teeth project l...	05/16/2006
6957557	Threaded fastener with dual reinforcing leads for facilitating manufacture of the fastener, thread rolling die for forming the threaded fastener, and method of manufacturing the threaded fastener A new and improved thread rolling die for forming a new and improved threaded fastener, and a new and improved method or technique of manufacturing the new and improved threaded fastener, is disclosed wherein the new and improved threaded fastener comprises a first,...	10/25/2005
6918717	Tool and method for the machine working of workpieces A tool for the machine working of workpieces is more particularly provided for universal machines, which automatically work very small workpieces by different lathe working operations. A cutting insert (13) can be fixed in a tool holder (14) by means o...	07/19/2005
6877934	Milling head for thread whirling A milling head for thread whirling, the milling head includes a plurality of cutting elements evenly disposed around a center hole, each cutting element in the plurality of cutting elements includes at least two cutting surfaces formed thereon. Any one of the at lea...	04/12/2005
6682271	Milling tool and insert, particularly thread milling cutter The invention relates to a milling tool. The milling tool has bearing and orientation surfaces for a substantially tangential reception of milling inserts. The receptacles of the milling tool can be arranged in adjacent manner axially symmetrically to the...	01/27/2004
6527485	Threading apparatus A triangular threading insert has a mount portion (60) with three sides forming locating faces (50, 52, 54) that lie on the three sides of an imaginary triangle (96) and has three cutting arms (21-23) with outer edges (80) for cutting threads. The outer e...	03/04/2003
6357325	Sealing arrangement A sealing arrangement, including a surface to be sealed off of a rotationally symmetrical machine element and a radial shaft sealing ring. The sealing ring has a sealing lip made of polymer material, which contacts the surface along a sealing edge that is...	03/19/2002
6345941	Thread milling tool having helical flutes A thread milling tool includes a proximal shank portion and a distal cutting portion. The cutting portion includes at least one thread milling tooth and at least one flute oriented helically, or spirally, about a rotational axis of the tool. The helix ang...	02/12/2002
6341923	Method and cutting insert for threading The present invention relates to a method and a cutting insert for threading. The method aims to produce a thread in a rotary work piece. The threading insert has a polygonal basic shape including at least one cutting corner. The cutting corner has two cu...	01/29/2002
6138540	Method and cutting insert for threading The present invention relates to a method and a cutting insert for threading. The method aims to produce a thread in a rotary work piece. The threading insert has a polygonal basic shape including at least one cutting corner. The cutting corner has two cu...	10/31/2000
6042308	Thread milling cutter with positioned tooth flanks A thread milling cutter including a shank and a milling region adjoining the shank at a front end of the shank and including at least two rows of teeth and extending parallel to each other, with the teeth of both rows having the same height and forming ea...	03/28/2000
5924825	Thread cutting insert This invention relates generally to a thread cutting insert and more particularly to a thread cutting insert comprising a base and a threading portion. The threading portion has a first thread removal portion and a second thread removal portion for minimi...	07/20/1999
5622459	Tool for manufacturing crown wheels A tool for manufacturing crown wheels by means of a machining hobbing process, which consists of a disc which can rotate about its axis and on the circumference of which machining elements are disposed whose cutting edges lie in the surface of a profile w...	04/22/1997
5098232	Thread cutting tool A thread-cutting tool comprises a shank 10 for attachment to the spindle of a milling machine, the forward end portion of which shank is formed with a flat 12 recessed to provide a pocket for a flat cutting insert 11. The insert, which is triangular in th...	03/24/1992
4765782	Cutter A cutter for forming a spiral groove on a work is provided. The cutter comprises a cylindrical body provided on the outer periphery thereof with a plurality of cutting edges arranged circumferentially at equal intervals and displaced axially by a predetermined...	08/23/1988
4666348	Cutter for thread rolling dies Thread rolling dies for pointed fasteners having an improved working face contour which promotes displacement of blank material from the blank point area at an early stage in the thread rolling sequence to avoid excessive pressures in the die and blank at...	05/19/1987

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Class 407/24 - Thread cutting