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| Number | Title | Issue Date |
| 4422812 | Rotatable shell cutter A rotatable shell cutter has a cylindrical member which advances to cut into a pipe. A plurality of cutting elements are arranged in a circle at one end of the cylinder. Each cutting assembly comprises a cartridge fixed as one piece to the cylindrical mem... | 12/27/1983 |
| 4378184 | Rotary tool cutting insert An improved cutting insert for rotary cutting tools is disclosed. The cutting inserts are characterized by a center bushing made of metal that is softer than the conventional sintered tungsten carbide or titanium carbide used for the cutting body of the i... | 03/29/1983 |
| 4334807 | Tool holder A tool holder for a cutting insert comprising, an insert receiving base member; a locating pin projecting out of the base member so as to extend through a central bore formed in the insert when the latter is located on the base member; a clamping member j... | 06/15/1982 |
| 4320996 | Cutoff tool The invention provides a cutoff tool that enables more narrow grooves to be produced in comparison with cutoff tools of conventional design. The tool consists of a holder 10 having a recess 12 in one side face 11 in which a cutting insert 13 is located an... | 03/23/1982 |
| 4211507 | Rotary cutting tool with radially adjustable, reversible tool bits The cutter head of a rotary cutting head is formed with three pairs of recesses separated by a wall portion of the head. An abutment member is received in one recess of each pair, and a tool bit in the other recess in such a manner that a cutting edge of ... | 07/08/1980 |
| 4209047 | Debarker toe assembly A debarker toe assembly includes a holder adapted for mounting to the end of a debarking arm and a demountable toe including a debarking edge. The holder and toe include interengaging surfaces for centering and holding the pieces in precise alignment duri... | 06/24/1980 |
| 4202650 | Shim lock toolholder A toolholder is disclosed consisting of a body having a recess extending inwardly from the periphery. The recess is formed having an inwardly extending front and back wall, defining a bottom wall therebetween. A shim is disposed in the recess with the bac... | 05/13/1980 |
| 4174916 | Forming tool construction A forming tool generally having a dove-tail shaped machine connector provided with an integral outwardly extending front support which in cooperation with the front surface of the tool is adapted to receive a forming insert. The front support is provided ... | 11/20/1979 |
| 4169690 | Cutting insert A cutting insert having a central body portion and a plurality of cutting edge portions extending outwardly therefrom. The cutting edge portions of the insert are successively indexed into position while a special holder is provided to support the cutter ... | 10/02/1979 |
| 4072438 | Insert type drill and insert therefor A single flute drill having a single, replaceable cutting insert which can drill from the solid, as well as being used for other single point machining operatings such as turning, internal and external diameter boring, contouring and facing. The insert is... | 02/07/1978 |
| 4066376 | Turning tool with interchangeable polygonal cutting insert A turning tool for use in metal machining having a holder with a first recess for receiving an insert carrier therein. The insert carrier has a second recess for receiving a cutting insert therein. The insert carrier has a planar base face and a generally... | 01/03/1978 |
| 4047826 | Drill having indexable replaceable insert tip A drill comprising a shank and an elongate body with an axial slot near one end thereof. A generally hexagonal insert of sintered tungsten carbide or high speed steel is placed in the slot and received in a V-shaped seat formed in the bottom of the slot. ... | 09/13/1977 |
| 4011049 | Method of and device for holding a cutting insert in the pocket of a tool holder A tool holder having an insert receiving pocket, the pocket having bottom wall and side wall means with an improved arrangement for and method of providing quick indexing or complete changing of an indexable insert. The improved arrangement comprises a pi... | 03/08/1977 |
| 3946475 | Cutting insert locking means The invention pertains to the field of cutting tools having indexable replaceable cutting inserts and comprises novel means for locating and locking the individual inserts in place with assurance that the inserts are accurately positioned and firmly held ... | 03/30/1976 |
| 3935624 | Cutter tool for use in a boring head This disclosure relates to a boring head having two support ledges and a cutter that may be rotated when the cutting edges become worn so as to provide new cutting edges. The cutter is developed as an irregular hexagon the sides of which form a section of... | 02/03/1976 |
