...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6532856 | Paper cutting apparatus and image forming apparatus The present invention concerns a paper sheet cutting apparatus which cuts the front end portion opposite to the fold, where both the leading edge and trailing edge get together by center folding, and an image forming apparatus equipped with the paper shee... | 03/18/2003 |
| 6463845 | Device for making cream-style corn A preferred device for making cream-style corn includes a corn-receiving member and a blade member. The corn-receiving member incorporates a first open end and defines an interior that is configured to receive at least a portion of an ear of corn. The bla... | 10/15/2002 |
| 5911806 | Groove stamping machine adaptable to various stator and rotor plate sizes A groove stamping machine stamps the required grooves successively into a disk-shaped blank particularly for manufacturing stator and rotor plates for electric machines. The groove stamping machine has a stationary bench which, on the end side, carries a ... | 06/15/1999 |
| 5899131 | Apparatus and method for providing pockets in a roller cage of a bearing assembly and a roller cage produced by such an apparatus and method An apparatus for punching out pockets in a roller cage for rollers is provided with two simultaneously movable male dies whose outer cutting edges in the circumferential direction are spaced apart from one another by at least about 0.4 times the cage diam... | 05/04/1999 |
| 5845553 | Stator lamination jig system The invention is a stator lamination jig system which comprises a centrally located spindle and a support for a stator lamination having a plurality of holes therein. The support is rotatively-mounted on the spindle for driving the lamination during a not... | 12/08/1998 |
| 5797306 | Lamination notching apparatus A lamination notching apparatus for forming dynamoelectric core laminations with winding slots includes a sprocket and drive belt system connecting an indexer to the drive table shaft of a lamination table. The indexer is driven from a punch drive and has... | 08/25/1998 |
| 5458032 | Method for making a cold forged battery bushing An apparatus and method for punching a hole in the end of a battery terminal bushing having a head at one end, a frustum at the other end and a spline ring intermediate the head and the frustum, the bushing including a tapered recess and terminating at a ... | 10/17/1995 |
| 5453070 | System for manufacturing coreless roll paper products A system of forming a coreless roll paper product in which an elongated coreless paper roll is cut into segments by a saw. Prior to being cut from the elongated coreless paper roll, each roll segment is positioned on a support shaft located on a rotatable... | 09/26/1995 |
| 5394605 | Compound curve shaping apparatus and method, and product produced Disclosed is a method and apparatus for shaping a top surface of a product, such as an antiperspirant or deodorant product, to have a compound-curved shape. The apparatus includes at least one cutting blade which moves inward and outward in a second direc... | 03/07/1995 |
| 5333525 | Apparatus and method for producing motor laminations from a blank An apparatus and method for producing motor laminations from blanks uses a servo-controlled linear transport mechanism for transporting blanks a fixed stroke distance to a notching station wherein the notching station includes a stationary index spindle a... | 08/02/1994 |
| 5331873 | Trim machine for trimming formed sheet material An improved tank configuration wherein a die is employed to stamp a formed member is disclosed. The formed member may be used as either the top or bottom head for a portable liquid container, and is constructed so that all welding is eliminated in the cor... | 07/26/1994 |
| 5083486 | Method and apparatus for trimming containerized deodorant products A method and apparatus for trimming solid stick deodorants to provide for a protruding rounded deodorant stick in the container in a continuous manner on subsequent deodorant sticks whereby the deodorant stick is brought into registration with a means for... | 01/28/1992 |
| 4846031 | Method and apparatus for blanking molded parts A method of blanking articles or products molded in a unitary sheet and arranged in a predetermined configuration or array consisting of the steps of configuration or array comprising a plurality of identical symmetrical segments consisting of the steps o... | 07/11/1989 |
| 4665785 | Trim press A multiple station sequentially operating trim press is arranged to receive workpieces for subsequent transfer from a loading station to a treatment station by means of a pivotally mounted workpiece support. After trimming and deburring, the workpiece is ... | 05/19/1987 |
| 4641481 | Device for cutting a narrow strip of continuous articles for packaging A device for cutting continuous bags formed of thin film including a cutter and a drum for feeding the bags. The cylindrical surface of the drum is provided with radial cutting grooves so that the bags on the cylindrical surface are cut into individual pa... | 02/10/1987 |
| 4633744 | Punch press for cutting windows in a ball cage A punch press for cutting windows in a ball cage. The ball cage is held in an established position. A first press assembly includes a first frame member and a punch assembly on a first surface of the cage, for cutting a portion of the cage. A second press... | 01/06/1987 |
| 4615248 | Machine for sawing the contours of plate material This machine for sawing commercial products consisting of accurately sized plates of metal, wood, chipboard or other similar materials comprises a turn-table mounted on a feed table adapted to be set in various positions along a path disposed at right ang... | 10/07/1986 |
| 4602541 | Punch press with means for rotating the workpiece and method of using same and tooling therefor A punch press which has an X-Y guidance system for moving the workpiece relative to the workstation also includes means for rotating the workpiece on the worktable upon release of the workpiece from the X-Y guidance system. In this fashion, the workpiece ... | 07/29/1986 |
| 4565053 | Pastry processor to divide pastries and insert separators A machine to divide pastry into portions, leaving a separator at each separation. A turntable supports the pastry, and a blade descends to drive the separator into the pastry. The turntable is rotated incrementally, and the blade's stroke and initial heig... | 01/21/1986 |
| 4471644 | Apparatus for mechanically treating metal components A machine for mechanically treating components, such as metallic hollow members having a body and a bottom. The machine has a stationary frame bearing a plurality of work stations each of which has a tool pair including a first fixed tool coaxial with a m... | 09/18/1984 |
| 4409716 | Method and apparatus for producing a cast wheel body A cast wheel body is formed with an angular slot for receiving a hammerhead bolt used to fasten a wheel rim to the wheel body with an angle piece cast in this slot being pushed outwardly by means of a vertically movable tool which deburs the areas where t... | 10/18/1983 |
| 4362075 | Method and apparatus for separating and feeding wrapped articles from a continuous dispenser sheet A common intermittent drive mechanism intermittently rotates a feed roller and a cutter rotor. An intervening gear and the radii of the feed roller and the cutter rotor differentiate the circumferential speed of the roller and the rotor to provide a slip ... | 12/07/1982 |
| 4331049 | Numerically controlled automatic notching press An automatic numerically controlled slotting or notching press arrangement which includes a multi-armed feed and removing device having a turnstile or turntable which is selectively indexed or rotated so as to convey blanks to various processing stations.... | 05/25/1982 |
| 4287748 | Rotary transfer press apparatus A rotary transfer press apparatus wherein a plurality of workpieces are simultaneously and progressively moved over a circular path through a series of working stations which themselves are arranged in a circular path whereby successive operations are per... | 09/08/1981 |
| 4232575 | Arrangement for punching out circular blanks An arrangement for notching or slotting circular blanks so as to produce stacks of rotor and/or stator laminations for electric machines. At least one slotting machine is provided which in a first direction is adjustable radially with respect to a spatial... | 11/11/1980 |
| 4228701 | Saw tooth cutting apparatus A carrier takes up a gin saw blade blank from a magazine stack, swings the blank to position over a collet chuck on a continuously rotating vertical spindle, and places the blade on the chuck. The chuck is actuated to clamp the blade thereto and the chuck... | 10/21/1980 |
| 4068695 | Method and apparatus for cutting wood A method and apparatus is shown for cutting logs into lumber by first cutting the logs into elongated wedge-shaped segments and then cutting the segments into boards. A pair of opposed spaced-apart chucks grip the ends of the log, and a saw mounted on a c... | 01/17/1978 |
| 4038894 | Piercing apparatus Apparatus for piercing an arcuate workpiece includes a frame, an index table rotatably mounted on the frame, piercing means horizontally adjustable on the frame with respect to the index table and a punch head movable horizontally into engagement with the... | 08/02/1977 |
| 4038893 | Apparatus for cutting continuously arriving flat structures An apparatus for cutting continuously arriving flat structures, especially printed products, wherein there is provided a revolving driven rim of similar cutter tools which can be each actuated via entrainably moving follower elements through the agency of... | 08/02/1977 |
| 4009627 | Device for dispensing portions of a chain The device is particularly adapted to dispense portions of a chain having relatively diametrically enlarged segments therein, such as master links, which are disposed at substantially regularly spaced intervals along the length of the chain, although the ... | 03/01/1977 |
| 3948124 | Apparatus and method for severing stator end turns Apparatus for severing from a plurality of windings in a dynamoelectric machine stator a generally annular grouping of winding end turns extending from an end face of the stator. The apparatus has means movable generally in a predetermined plane for sever... | 04/06/1976 |