Quotables
"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5027914 | Pilot casing mill A pilot casing mill for removing unwanted pipe from a well bore, which includes a cylindrical pilot having helical vanes and adapted for mounting on one end of a cylindrical mill body. The mill body is provided with longitudinal slots which receive outwar... | 07/02/1991 |
| 5017060 | Rotary cutting tool There is disclosed a rotary cutting tool having a cutter body and at least one pair of end and peripheral cutting edges provided on the cutter body. A covering of a generally cylindrical shape is disposed rotatably relative to the cutter body so as to sur... | 05/21/1991 |
| 5010967 | Milling apparatus with replaceable blades An apparatus for milling away tubular conduits encased within well bores is disclosed. The milling device consists of a cylindrical body. The body forms longitudinal slots therein for radially disposed replaceable cutter blades that are inserted through t... | 04/30/1991 |
| 5000625 | Inserted cutting tool An inserted cutting tool includes a tool body, a plurality of cutting inserts, a plurality of wedge members and a plurality of clamp screws. The body includes a plurality of pockets formed therein, and each pocket includes a recess for receiving the inser... | 03/19/1991 |
| 4995766 | Insert cutter A replaceable insert cutter comprising a cutting body, a plurality of insert pockets in the periphery of the body, each pocket having an insert back locating wall establishing insert circumferential position, a V-shaped support seat establishing a radial ... | 02/26/1991 |
| 4995767 | Face milling cutter with indexable inserts The face milling cutter of this invention has indexable inserts with double-positive rake. Square inserts for a substantially 0° lead angle are insertable in the body interchangeably with different octagonal inserts that respectively provide for 15°, 30... | 02/26/1991 |
| 4993890 | Milling cutter and cartridge therefor The invention provides a milling cutter for machining metal workpieces and a cartridge therefor. The milling cutter comprises a plurality of peripheral recesses for the receipt of insert-equipped cartridges. One of the walls of said recess is provided by ... | 02/19/1991 |
| 4991986 | Milling cutter having face and peripheral cutting edges In a milling cutter for milling work with a setting angle of preferably 90°, the face cutting edges (1a, 2a) and the peripheral cutting edges (1, 2) are orientated in opposite directions for the chip removal. The peripheral cutting edges (1, 2) operating... | 02/12/1991 |
| 4983078 | Rotary cutting tool The inner peripheral portion of the blade material is made thinner than the outer peripheral portion thereof. This serves to make greater, as compared with conventional cutter bodies, the distance between the adjacent portions of the cutter body where the... | 01/08/1991 |
| 4966500 | Face milling cutter with cutter inserts In a face milling cutter, a plurality of cutter inserts are detachably mounted to an outer periphery of a forward end portion of a cutter body. The cutter inserts are arranged in peripherally spaced relation to each other about a rotary axis of the cutter... | 10/30/1990 |
| 4964762 | Combination of cutter and fastener unit therefor A combination of a cutter and a fastener unit for fastening the cutter to a tool attachment shaft. The cutter includes a cutter body formed therein with a threaded bore. The fastener unit includes a fastener element having one axial end portion provided o... | 10/23/1990 |
| 4954021 | Inserted rotary cutter An inserted rotary cutter has a tool body, at least one first insert and at least one wiper insert. The body has a plurality of insert mounting seats formed on a forward end portion thereof. Each insert is releasably mounted to a respective insert mountin... | 09/04/1990 |
| 4901480 | Lens generating tool for generating a lens A tool for generating a prescription surface in a plastic eyeglass lens. A pair of replaceable, cutting elements are mounted on a tool having a spindle. Each cutting element has a solid polycrystalline diamond material forming a cutting edge for progressi... | 02/20/1990 |
| 4898500 | Ball end mill with throw away insert A ball end mill having a plurality of throw away inserts. Its body is formed in its hemispherical portion at diametrically opposite positions with insert mounting pockets each having a plurality of insert mounting seats. In each set, an insert having an a... | 02/06/1990 |
| 4844666 | Insert rotary cutting tool An insert rotary cutting tool includes a tool body of a generally circular cross-section having an axis of rotation therethrough and having an outer periphery. The cutting tool has plural groups of cutting inserts releasably mounted on the outer periphery... | 07/04/1989 |
| 4843928 | Mounting of tool blades The invention relates to a rotary tool having at least one replaceable cutting blade, the or each received in a channel and clamped firmly therein. The tool body has a passage in each channel which receives a safety member in the form of a pin projecting ... | 07/04/1989 |
| 4832540 | Reconditioned milling tool and method of making same A reconditioned tool comprises a cylindrical insert cut from a damaged tool, such as a hog mill, with a milling face formed on one end and a transverse dovetail tenon cut in the other end. The dovetail tenon engages a transverse dovetail mortise in the en... | 05/23/1989 |
| 4808044 | Insert cutter An insert cutter includes a cutter body of a generally circular cross-section having an axis of rotation therethrough. The cutter also includes a plurality of cutter inserts releasably mounted on a periphery of the cutter body in circumferentially spaced ... | 02/28/1989 |
| 4789273 | Milling cutter An indexable milling cutter has inserts arranged in a configuration of densely packed pairs, or intermeshed circular rows, of cooperating inserts, with predetermined small radial and axial differentials between the cutting corners of the insert pairs. In ... | 12/06/1988 |
| 4733995 | Milling cutter for machining T-shaped grooves A milling cutter for machining T-shaped grooves comprises a shaft (1), the free end of which has a disc-shaped head (2) which comprises first blind recesses (3) opening toward its periphery and toward its frontal face (4) and second blind recess (5) angul... | 03/29/1988 |
| 4717290 | Milling tool This miling tool for underground work consists of a tool body which has a plurality of cutter blades. Each cutter blade has a negative axial rake and an essentially constant negative radial rake. In addition, each cutter arm has a close packing of cylindr... | 01/05/1988 |
| 4675975 | Combination planing and finishing tool This combination tool (10) includes a body (12) attachable to a drill press (16) by means of a shaft (14). The body includes an end face (34) for attachment of an abrasive finishing disc (36) and provides a mounting for cutter inserts (40). Each cutter in... | 06/30/1987 |
| 4669923 | Radius cutting edging tool with guide wheel A carbide tipped, ball bearing guided router bit has specially shaped cutting edges. It trims the overhanging edge of a plastic laminate cemented to a supporting base so that it is flush with the edge of the supporting base with the upper portion of the t... | 06/02/1987 |
| 4597695 | Face milling apparatus with eight-edged insert An indexable face-milling insert having eight compound cutting edges of the same hand, each having an included angle of 90° over its entire length which comprises two straight segments at right angles to each other and an intermediate bevel cutting porti... | 07/01/1986 |
| 4593734 | Frame routing apparatus A special router for cutting an L-shaped groove in elongated frame members has an elongated cutter stem and an axis about which the stem is rotatable; the stem has substantially parallelogram cross sections in planes normal to that axis; and a cutter head... | 06/10/1986 |
| 4455858 | Method of manufacturing a hollow needle for tag fasteners A method of manufacturing hollow needles from round metal blanks in order to form a needle which has an inner front portion with a front end tapering to a point and a rear portion having a larger diameter than the front portion and forming a mounting shan... | 06/26/1984 |
| 4265325 | Percussion rock bit In a percussive rock bit or similar tool wherein cemented carbide cutting inserts are retained in open radial slots in the head of the tool, an improved method of mechanically retaining the inserts. The inserts are provided with a plurality of elongated r... | 05/05/1981 |
| 4133361 | Method for machining joints for miters, grooves and other joinery in a beveled or straight panel edge and apparatus for same Improved method and apparatus for machining the mitered edge surface of a composite material panel uses a multibladed cutting head rotatable about an axis of rotation that intersects the surface. The cutting blades are positioned transverse to the axis of... | 01/09/1979 |
| 4072437 | Removable cutter tooth A removable cutter tooth for use with a cylindrical tooth carrier is herein disclosed. The removable cutter tooth has an elongated base. A thrust pin is formed integral with, and perpendicular to, a portion of the elongated base. A rib is also formed inte... | 02/07/1978 |
| 4064920 | Tenon cutting machine with cutting head A cutting machine to form a tenon at each end of a piece of timber, which tenon has opposite faces which are inclined both longitudinally and transversely relative to the piece of timber and forming hereinafter called skew tenon faces. This tenon cutting ... | 12/27/1977 |
