Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7337644 | Assembled workstation A workstation has a base, a conveying device, a driving assembly and a working device. The base is composed of multiple supporting frames. The conveying device is mounted on the base and has a rail, a moving base, a motor, a pushing rod and two rotating rods. The ro... | 03/04/2008 |
| 7296450 | Apparatus and method for production of tapered steel pipe A production apparatus for a tapered steel pipe which holds the two ends of the steel pipe by shafts on carriers and moves it in the axial direction while rotating it to draw it to a taper by an intermediate working roll, wherein the shaft of the working roll is inc... | 11/20/2007 |
| 7293443 | Method for manufacturing seamless pipes or tubes A method for manufacturing a seamless pipe, capable of preventing the carburization phenomenon that occurs in a manufacturing process of pipe and simplifying an elongation rolling process, is provided. In this method, after piercing in the piercing rolling process, ... | 11/13/2007 |
| 7207204 | Crimper In one embodiment, an apparatus for shaping an article may comprise a plurality of movable dies arranged to form a chamber whose size may be varied by moving the dies. Each of the dies may have a contacting surface for contacting the article to be shaped. The chambe... | 04/24/2007 |
| 7146835 | Method and apparatus to reduce slot width in tubular members An apparatus and method are provided for reducing the width of a plurality of longitudinal slots or other openings spaced circumferentially around a slotted tubular member. The invention includes a seaming roller positioned to contact the outer surface of the slotte... | 12/12/2006 |
| 7073366 | Method and apparatus to reduce the width of a slot or opening in a pipe, tube or other object A method to reduce the width of slots or openings in a pipe. The method involve determining the position of the slots relative to the surface of the pipe and determining the width of the slots. A signal is generated corresponding to the determined width and relative... | 07/11/2006 |
| 7040131 | Cold forming tool, machine and method Cold forming tool including at least one penetration zone having teeth and a calibration zone having teeth. The teeth having a tooth height that increases substantially from the at least one penetration zone to the calibration zone. A distance between an outer surfa... | 05/09/2006 |
| 6898957 | Method of reducing slot width in slotted tubular liners A method of reducing slot width in slotted tubular liners. A slotted tubular liner (1) is provided having an interior surface (3), an exterior surface (2) and a plurality of slots (4) extending between the interior surface and the exterio... | 05/31/2005 |
| 6840074 | Pipe and heat exchanger, pipe manufacturing device, and pipe manufacturing method A cylindrical pipe which is excellent in heat transfer characteristic and has no accumulation of liquid, wherein a flat-shaped portion (2) along the pipe axis (L) is formed inside the cylindrical pipe (1) formed in corrugated shape. As a method for man... | 01/11/2005 |
| 6746386 | Exerciser for rowing and stepping exercises An exerciser includes a pair of frames each having a curved bottom surface for engaging with a supporting surface and for conducting swinging operations. A seat is secured between the frames for supporting a user and for elevating the user when the frames are swung ... | 06/08/2004 |
| 6546772 | Rolling mill, especially for inclined or Diescher rolling A rolling mill, especially an inclined roll or Diescher roll mill. Its stand is formed by a pair of portal frames on a cast plate on a foundation spaced apart by cassettes holding the upper and lower roll units and tie rods securing the portal frames agai... | 04/15/2003 |
| 6334349 | Method for the manufacturing of a shaft with a larger diameter flange The invention relates to a method for the manufacture of a shaft with a larger diameter flange, particularly for a cone gear, a round stock as the workpiece being rotated about its longitudinal axis relative to at least one spinning roll and is axially co... | 01/01/2002 |
| 6266987 | Disk roll exchanging apparatus for vertical piercing mill and disk roll exchanging method The disk roll exchanging apparatus of the present invention includes a pair of disk frames 6 which support disk rolls 3 and which are capable of swinging open, a disk roll lifting device 12 for mounting the disk roll to and demounting it from the opened d... | 07/31/2001 |
| 5927122 | Device for guiding a hollow blank A device for guiding a rotating hollow blank emerging from a cross-rolling mill, especially an Assel mill, which device includes at least two tubular guide rollers that extend over the length of the hollow blank and are arranged next to each other below t... | 07/27/1999 |
| 5546781 | Process for the production of a toothed rack via cold forming, the rack produced thereby, and an apparatus for practicing the process Process for the production of a toothed rack via cold forming, the rack produced thereby, and an apparatus for practicing the process. The cold formed rack workpiece shows multiple traces of cold forming in the toothing direction. During the production pr... | 08/20/1996 |
| 5479805 | Two-high cross rolling mill with guide disks A two-high cross rolling mill with driven rolls situated one above the other and a pair of rotatably driven guide disks which are supported in rockers which are swivelable around vertical axles and can be adjusted transversely to the swivel axis of the ro... | 01/02/1996 |
| 5440911 | Pre-reduction equipment and method Pre-reduction equipment for guiding a pipe blank and reducing its end before it enters an "Assel" rolling mill, which is disposed immediately downstream from the pre-reduction equipment and consists of several freely rotatable rollers, which are disposed ... | 08/15/1995 |
| 5295379 | Vertical piercer mill A vertical piercer/elongator mill includes a mill housing having a base, an open top and an open interior defined by a plurality of vertically extending mill posts and interconnecting side portions. A cylindrically shaped bottom cradle supports a rotatabl... | 03/22/1994 |
| 5265334 | Device for manufacturing a groove bearing, and method of manufacturing a groove bearing by means of the device The invention relates to a device for manufacturing a hydrodynamic groove bearing formed with pumping grooves. The device comprises a hard pin around which, or a hard sleeve in which, a cage is arranged which has one or more annular patterns of holes whic... | 11/30/1993 |
| 5142893 | Tube mill A seamless tube mill comprises two disk rolls mounted to be driven in rotation on substantially parallel axes which axes are perpendicular to guide the workpiece along the pass line which rolls may be rotated away from the pass line to enable removal and ... | 09/01/1992 |
| 4976127 | Double roller crossrolling mill for piercing and stretching of solid and hollow blocks A two-high inclined-roll mill for the piercing and stretching of a solid and hollow work piece along a rolling axis includes a roll housing composed of two detachable housing halves; two rolls defining therebetween a feed angle are displaceably mounted ea... | 12/11/1990 |
| 4967579 | Adjustable guide for rotating cylindrical member An adjustable guide for suppporting an elongated, generally cylindrical member having an axis that substantially coincides with a pass line of a metal working machine, said guide comprising a support stand which is stationary relative to said pass line an... | 11/06/1990 |
| 4838066 | Process and a device for the production of grooves on a wall of revolution The process according to the invention relates to the production of grooves such as helical threads on the wall of tubes composed of ductile or plastic materials without removal of matter. It involves using a knurling tool (11) of radius (R1) which ... | 06/13/1989 |
| 4817408 | Method and machine for fabricating rotation bodies by plastic deformation A process and machine for fabricating a rotation body having different diameters along the length thereof is disclosed, in which a blank is rotated and worked between two pressure zones to apply thereto a local pressure exceeding the flow limit of the bla... | 04/04/1989 |
| 4787230 | Rolling flat cutter and method of rolling thereby A rolling flat cutter having finishing blades corresponding to corrugation of a product to be obtained by working a tubular or cylindrical workpiece, and a method of rolling by the flat cutter. When the workpiece is worked, a pair of flat cutters are disp... | 11/29/1988 |
| 4712408 | Coarse pitch spline rolling A machine (10) disclosed incorporates spline rolling apparatus (12) having a pair of racks (30) of a construction that permits precise rolling of coarse pitch splines (45). Each rack (30) includes a toothed forming face (32) and a flat base surface (58) a... | 12/15/1987 |
| 4660398 | Process for controlling a rolling mill having oblique rolls and a rolling mill for carrying out this process The invention relates to a process for controlling a rolling mill having oblique rolls which is used for rolling metal rods or tubes, and to the rolling mill for carrying out the process. The rolling mill according to the invention comprises at least thre... | 04/28/1987 |
| 4646549 | Apparatus for rolling a cylindrical blank Method and apparatus for rolling a cylindrical blank in pressed contact with shaped rolling or die faces of rolling dies to generate, on the periphery of the blank, plural teeth corresponding to a profile of the die faces of the dies. The blank is rolled ... | 03/03/1987 |
| 4640115 | Straightening device In order to increase output of pipe straightening devices, there is provided a driving unit between a preparatory station for the pipes and a feeding station which advances the pipes from the preparatory station in axial direction one after the other in t... | 02/03/1987 |
| 4620432 | Device for manufacturing microwire A deforming tool having two members of which one is made as a cylindrical roll, whereas the working surface of the other member is made curvilinear. A rod of microwire is fed into a gap between their working surfaces. A rotation drive and a drive for a re... | 11/04/1986 |
| 4545229 | Method for manufacturing microwire and device for effecting same The invention relates to the rolling and drawing of metals. The microwire manufacturing method according to the invention is characterized in that a microwire blank (1) is rolled during the drawing process in opposite directions relative to the drawing ax... | 10/08/1985 |
| 4488419 | Skew rolling mill for tubes A skew rolling mill for tubes is provided having a stand upright in two parts laterally separable along a vertical parting line, one part being fixed and the other movable horizontally transverse to the pass line of the mill, a pair of driven skew rolls j... | 12/18/1984 |
| 4480455 | Method and device for rolling tube to a smaller diameter A method and device for rolling tube to a smaller diameter, with which at least one area of the outside of the tube is brought into contact with at least one roll rotatable around its axis, whereby this roll and the tube are brought into a relative moveme... | 11/06/1984 |
| 4463588 | Skewed-axis cylindrical die rolling Skewed-axis cylindrical-die rolling system for the production of continuously threaded rod and similar continuous helical forms using two driven forming dies and an annular formed support roller which supports the part being formed a controlled distance b... | 08/07/1984 |
| 4449386 | Steel pipe rolling mill In an apparatus for changing the rolling mill rolls and/or disk shoes of a steel pipe rolling mill, the top and bottom rolls vertically movably mounted in the housing are individually placed on a supporting bed positioned below the bottom rolling roll and... | 05/22/1984 |
| 4388818 | Method and apparatus for fabricating precision teeth An approximately shaped or formed gear is fabricated in any desired way and is then corrected by means of substantially ring-shaped rolls or rolling tools performing striking or hammering operations in the tooth gaps of such gear. The rolls rotate in a pl... | 06/21/1983 |
| 4387584 | Steel pipe rolling mill The present invention relates to an apparatus for changing the rolling-mill rolls and disk shoes of steel pipe rolling mills. The apparatus comprises mechanisms for raising and lowering a top and bottom cradle each holding a roll of a rolling mill and a c... | 06/14/1983 |
| 4379397 | Apparatus having shaping jaws for manufacturing bodies of spindle-type shapes Apparatus for making a spindle-type body with at least one eccentric zone from a semi-product of circular cross-section by gradually radially displacing the eccentric zone of the semi-product to bring its eccentricity from zero to the desired value. The a... | 04/12/1983 |
| 4361022 | Workpiece guides for straightening apparatus Straightening apparatus includes opposed straightening rollers through which generally cylindrical elongated workpieces pass generally longitudinally. Opposite flat guide members extend between the rollers and have opposed front guide edges between which ... | 11/30/1982 |
| 4322961 | Die rolling machine A machine for the rolling of cylindrical forms such as threads, worms, serrations, and annular forms, using two cylindrical dies whose axes are parallel or slightly skewed with respect to the axis of rotation of the workpiece, wherein the dies are support... | 04/06/1982 |
