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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7404244 | Converting twist-lock tube sheet filter orifices to snap-band orifices Embodiments include a method and apparatus for converting one or more twist-lock orifices of a tube sheet of a baghouse filter system to one or more snap-band orifices. In one embodiment, a machine is utilized to remove one or more tabs from a twist-lock orifice by ... | 07/29/2008 |
| 7313940 | High-pressure shaping system A high-pressure system for hydroshaping a hollow workpiece has a lower die and an upper die vertically shiftable above the lower die and forming therewith a cavity shaped to hold the workpiece. An upper actuating element bears downward via a vertically compressible ... | 01/01/2008 |
| 7152357 | Composite firearm barrel assemblies A firearm barrel includes an elongate metal insert member and a rigid sleeve surrounding the insert member along a majority of the length of the insert member. A casing is formed around at least a portion of the sleeve, preferably by injection molding. Breech and mu... | 12/26/2006 |
| 7137281 | Process and apparatus for forming oversized circular pipe A process for forming oversized circular pipe has the steps of affixing an elliptically-shaped forming head onto a spiral pipe forming machine, driving a metal strip along the forming head such that the metal strip takes on a shape of the forming head, moving said m... | 11/21/2006 |
| 7111379 | Eyebrow pencil making machine An eyebrow pencil making machine includes a trough disposed on a table for receiving pen containers, a board having a number of depressions to support the pen containers which may be fed along the board step by step, and two tool devices each having a tool member mo... | 09/26/2006 |
| 7069657 | Method to reduce the width of a slot in a pipe or tube A method for reducing the width of slots spaced about the surface of a pipe or tube. The method comprises subjecting the surface of the pipe or tube to bombardment by a quantity of shot of a pre-determined size and for a pre-determined length of time to cause deform... | 07/04/2006 |
| 7065856 | Machine tool method A machine tool apparatus is provided employing a plurality of tool heads which may be sequentially or simultaneously automatically controlled to perform preprogrammed operations on either the same or different workpieces. In one form, a plurality of tool heads are s... | 06/27/2006 |
| 7040629 | Clamping device for elongated workpieces An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings... | 05/09/2006 |
| 6854168 | Method and apparatus for forming openings in polymeric tubing In a method and apparatus for perforating multiwall polymeric cylindrical tubing, a drill head is slidably mounted for reciprocating movement on a support frame between inlet and outlet stations, the drill head having at least one drill for forming an opening in the... | 02/15/2005 |
| 6829826 | Method of making a cross member of a twist-beam axle for a motor vehicle In a method of making a cross member for a twist-beam axle of a motor vehicle, a band-shaped metal blank is shaped in a profiling unit in a continuous operation to a V-shaped or U-shaped double-walled hollow section having an outer wall and an inner wall, such that ... | 12/14/2004 |
| 6823579 | Portable platform for use in gasket manufacture The present invention comprises a portable platform (10) for use in gasket manufacture, comprising a shaft connected to a motor and can receive at least one mandrel, and a surface to receive at least one molding tool, the mandrel being activated by the motor ... | 11/30/2004 |
| 6817099 | Threaded pipe connection and method An integral high strength threaded pipe connection formed on joints of plain-end pipe, and a method for manufacturing, wherein the ends of the joints are rough machined, swaged, and then finish machined, preferably but not necessarily, with only one chucking. ... | 11/16/2004 |
| 6758004 | Firearm barrel manufacturing methods and barrel assemblies A firearm barrel includes an elongate metal insert member and a rigid sleeve surrounding the insert member along a majority of the length of the insert member. A casing is formed around at least a portion of the sleeve, preferably by injection molding. Breech and mu... | 07/06/2004 |
| 6754953 | Method and device for manufacturing metal ferrules used for optical fibers A method of manufacturing metal ferrules used as connector elements for optical fibers is characterized such that, by growth-guidance of an internal-diameter formation member whose external diameter is the same as the internal diameter of the metal ferrule to be man... | 06/29/2004 |
| 6745841 | Tube manufacture A method of forming expandable downhole tubing (10) comprises the steps of: providing a tubing section (12) of a first diameter; forming apertures in the tubing section (12); and then reducing the diameter of the apertured tubing section. ... | 06/08/2004 |
| 6742234 | Method of rollforming with transverse scorer and dimpler A method includes providing an apparatus that includes a scoring device for making transverse score lines on a roll of sheet material, a dimpler device or dimpler roller for making dimples adjacent the score lines at predetermined width locations, and a rollformer a... | 06/01/2004 |
| 6732434 | Process for forming aluminum hydroforms The present invention provides a process for forming aluminum alloy hydroformed structures for automotive vehicles at low cost. The process continuously casts molten aluminum alloy into aluminum alloy strip material preferably followed by continuously warm rolling t... | 05/11/2004 |
| 6702039 | Perforating gun carriers and their methods of manufacture The subject matter of the present invention relates to perforating gun carriers and their methods of manufacture. In one embodiment of the present invention, high strength, uniform wall thickness carriers are manufactured through use of the electric resis... | 03/09/2004 |
| 6684505 | Method for manufacturing a bumper bar In a bumper bar for vehicles, the bar is extended in one dimension, has a closed cross-section and two ends and includes at least one front flange, one rear flange, one top side and one bottom side. The bumper bar has at least one part of the rear flange,... | 02/03/2004 |
| 6598287 | Apparatus and method for sizing a galvanized tube A method and apparatus for sizing a galvanized tube, in which two sizing stations are used. A first sizing station having at least one sizing roll is used for sizing the tube prior to the galvanizing process. A second sizing station is then used, the stat... | 07/29/2003 |
| 6588105 | Method and device for producing an absorption silencer The invention relates to a method for producing a shock absorber. A section of a steel wool strip is severed from a supply thereof. The perforated area of a tube is wrapped with the steel wool strip section. Said tube is embedded in sound-absorbing materi... | 07/08/2003 |
| 6557249 | Optical fiber deployment system and cable The present invention is a strengthened fiber optic cable and the process for inserting the strengthened cable into a duct. The invention consists of pre-coating a fiber optic waveguide with an ultra violet (UV)/visible light curable resin such that the r... | 05/06/2003 |
| 6497633 | Continuous manufacture of push type CVT belt bands utilizing spiral winding & welding to form tube and slitting tube to form band of predetermined width A method for the manufacture of a band for use in a CVT transmission. The band is formed by spiral winding a thin strip into a continuous tube and then welding the thin strip along the spiral winding. The individual bands are cut off of the continuous tub... | 12/24/2002 |
| 6493913 | Device for hydraulic high pressure forming of a tubular component or a blank In a device for hydraulic forming of a tubular component under high inner pressure compressive conditions in a lower die and an upper die of a forming tool, the upper die can be coupled for relative limited movement by at least one piston-cylinder unit co... | 12/17/2002 |
| 6460236 | Apparatus for producing wrapped slip tubes An apparatus for producing wrapped slip tubes from ribbon material (3), which consists of metal at least in part, comprising a profiling device (4) for forming seam edges (3a, 3b) of the ribbon material (3), at least one guiding surface (6a) for guiding t... | 10/08/2002 |
| 6453710 | Method and apparatus for manufacturing a helically-wound lock-seam tube having air nozzles In a method of manufacturing a helically-wound lock-seam tube for a ventilation duct system, the tube is provided with a plurality of air nozzles through its wall. The method involves the steps of: feeding a strip of sheet metal from a supply to a punchin... | 09/24/2002 |
| 6405919 | Process for the continuous production of longitudinally seam-welded and corrugated metal tubes In a process for the continuous production of longitudinally seam-welded and corrugated metal tubes (46), a metal band drawn off from a supply reel is formed into an open-seam tube, welded at its longitudinal edges, and the welded smooth tube (45) corruga... | 06/18/2002 |
| 6345425 | Rollformer with transverse scorer An apparatus includes a scoring device for making transverse score lines on a roll of sheet material, a dimpler device or dimpler roller for making dimples adjacent the score lines at predetermined width locations, and a rollformer adapted to continuously... | 02/12/2002 |
| 6321431 | Process and device for removing oxide skin from metal strips A method and device for A process for removing oxide skin from cut surfaces of a thin-walled metal strip used for preparing strip material for welded pipes. The invention comprises passing the metal strip between pairs of rotating cutting tools and applyi... | 11/27/2001 |
| 6269529 | Hose preparation apparatus and method therefor A hose preparation apparatus and method therefor including a supporting device for supporting at least one hose. A printing device is positioned adjacent to the supporting device for printing a symbol on a hose supported by the supporting device. A trimmi... | 08/07/2001 |
| 6256851 | Arrangement for shaping a helical tube An apparatus for forming a helical tube (18), including a first stamping station for producing a flange on a metal strip (11), a forming tool (17) in which the flanged metal strip is formed to a helical configuration and adjacent side edges are crimped to... | 07/10/2001 |
| 6237204 | Production of tubes The invention relates to a machine for producing a tube provided with a nipple in each end controlled by a process-computer. The machine comprises a plurality of stations where machining of the tube shall be made, the tube primary product being rolled up ... | 05/29/2001 |
| 6223407 | Apparatus for manufacturing an optical fiber cable In an apparatus for manufacturing an optical fiber cable that includes a metal tube (3) in which at least one optical fiber (2) is arranged in a viscous plastic mass, which apparatus includes a device continuously forming a metal strip (5) into a slit tub... | 05/01/2001 |
| 6154944 | Method for expansion forming of tubing A frame member of rectangular cross section with rounded corners is formed by expansion of a tubular blank within a die cavity having an inner portion of corresponding cross section and an outer transition portion which is of smoothly continuously curved ... | 12/05/2000 |
| 6069772 | Base plate for magnetic read suspension in hard disk drive with material fold-over An arm assembly movable about a pivot includes means for holding a recording head slider on the arm assembly. The arm assembly includes an actuator arm supported at one end at the pivot, and a load beam connected to an end opposite to the one end of the a... | 05/30/2000 |
| 6065540 | Composite coiled tubing apparatus and methods Products and methods relating to composite materials and their use in coiled tubing is disclosed. The composite tubing is a pressurized means of conveying fluids downhole in a wellbore. It includes a multilayered laminate that resists buckling within the ... | 05/23/2000 |
| 6061905 | Method and apparatus for cutting tubing The slow production rates associated with cutting machines for cutting extruded metal tubing to length are avoided in an apparatus that continually cuts extruded metal tubing (46) and which include a reel (44) for providing a coil of (42) of metal tubing ... | 05/16/2000 |
| 6035502 | Apparatus for manufacturing a housing for a perforating gun An apparatus for manufacturing a machined article from an elongated tubular workpiece is disclosed. A machining device is movable within a work area of the apparatus and a movable base having first and second spaced apart clamps secure a section of the ar... | 03/14/2000 |
| 5926930 | Apparatus for producing rigid elongated member for use in vehicles An apparatus producing an elongated member having a main body portion and terminal portions extending form ends thereof includes bending an elongated strip between circumferential faces of first forming rolls and second forming rolls having parallel centr... | 07/27/1999 |
| 5884379 | Drum processing apparatus An apparatus for processing the cylindrical shells of drums, which comprises a cradle sized for reception in embracing relation with the shell, the shell having a longitudinal axis, the cradle having support structure to clamp a cylindrical surface of the... | 03/23/1999 |
