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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7340933 | Stretch forming method for a sheet metal skin segment having compound curvatures A method of forming an aircraft nacelle nose lip segment. The method includes bending a sheet of metal into a substantially U-shaped workpiece having a spanwise axis, opposed first and second ends, and opposed first and second edges. The method further includes plac... | 03/11/2008 |
| 7290425 | Gripping apparatus and method A quick change gripping apparatus for gripping a workpiece having a profile. The apparatus includes a cylindrical housing having a first end and a second end. The cylindrical housing also includes an inner feature having a tapered wall. The housing also has a bottom... | 11/06/2007 |
| 7204906 | Method for laminating and forming a composite laminate in a single operation A method of laminating and forming a non-planar composite part from a pair of metal skins having an intervening paper layer in a single operation maintains a uniform pressure between die faces. The paper layer may be degassed prior to the lamination/forming process.... | 04/17/2007 |
| 7089773 | Apparatus and method for forming an elongated article An Apparatus and method for forming elongated metal articles includes one or more rotating dies (1) each provided with an indentation (3). The indentation (track) is shaped so as to be complementary to the actual final shape of the resulting articles, ... | 08/15/2006 |
| 7086265 | Method for controlling the material flow during the deep-drawings of sheet metal, and deep-drawing tool A method for controlling the material flow during the deep-drawing of sheet metal involves compressing the edges of the sheet metal (1) between at least one upper stopper (13) and at least one lower stopper (6, 7) during the deep-drawing process... | 08/08/2006 |
| 7076988 | Straightening bench of the car body The present invention relates to a straightening bench of the car body, which includes a straightening table of a car, to which the car is attached, a straightening beam attached to the straightening table, a pulling element for a straightening pull, which pulling e... | 07/18/2006 |
| 7069761 | Gripping apparatus and method A quick change gripping apparatus for gripping a workpiece having a profile. The apparatus includes a cylindrical housing having a first end and a second end. The cylindrical housing also includes an inner feature having a tapered wall. The housing also has a bottom... | 07/04/2006 |
| 6957558 | Encaustic metal tile fabrication equipment An encaustic metal tile fabrication equipment includes a roller unit operated to roll an encaustic metal sheet into a corrugated encaustic metal sheet, a shape forming mechanism having a first shape forming mold unit and a second shape forming mold unit and operated... | 10/25/2005 |
| 6925846 | Portable mini-break A sheet metal bending tool for bending materials, such as flat metal sheets is disclosed. The tool has a restraining base for receiving and cooperatively holding a sheet metal workpiece and the tool has a bending component that is rotatably mounted to the restrainin... | 08/09/2005 |
| 6915943 | Tetherless internal line-up unit for pipeline welding A line-up clamp unit is powered by a diesel engine which drives a hydraulic pump for operating hydraulic equipment in the unit. The unit includes a line-up clamp which has front shoes, rear shoes and expanding copper back-up tiles. Drive wheels are deployed by a hyd... | 07/12/2005 |
| 6910358 | Two temperature two stage forming A method is disclosed for two-stage stretch forming of a sheet metal blank workpiece between a preform tool with a concave cavity and an opposing finish-form punch tool. Both tools are independently heated to different forming temperatures with the preform tool bein... | 06/28/2005 |
| 6907664 | Method for manufacturing fuel inlet A method for manufacturing a fuel inlet having a good sealing property and a screw structure formed in a precise position involves expanding one end of a long-length stainless pipe (metal pipe) using a cored bar, the tip of the expanded portion which becomes non-uni... | 06/21/2005 |
| 6695065 | Tubing expansion A method of expanding tubing comprises the steps: providing a length of expandable tubing; locating an expansion tool, such as a cone, in the tubing; and applying impulses to the tool to drive the tool through the tubing and expand the tubing to a larger ... | 02/24/2004 |
| 6508096 | Process for drawing and stretching sheet metal A draw stretch process is provided for shaping a workpiece initially comprising an elongated metal sheet having a pair of spaced opposite ends. The process involves placing the metal sheet in a metal forming position in a draw stretch forming machine betw... | 01/21/2003 |
| 6497131 | Apparatus for stepwise bending of sheet metal pieces or similar material An apparatus for stepwise bending of sheet metal strips into trapeze-shaped pieces comprises a vice set on each side of a press punch and opposed lower-side pressure cylinder arranged to grip a central portion of the metal strip and deform it in a vertica... | 12/24/2002 |
| 6453714 | Method of forming an eccentrically expanded pipe and eccentrically pipe-expanding device In forming a fuel inlet pipe FP, (1) a portion of a base pipe is expanded by use of an expander punch to form a processed pipe comprising a neck portion, of which the diameter is the same as that of the base pipe, a tapering portion, and an expanded porti... | 09/24/2002 |
| 6363767 | System and method for forming sheet metal using a reconfigurable tool A system for forming sheet metal (118) is disclosed. The system comprises a support plate (102) that is coupled to a base (108) and has at least one side plate (104) adjacent thereto. A clamping mechanism (200) fixes the side plate (104) to the support pl... | 04/02/2002 |
| 6216508 | Apparatus for dieless forming plate materials The invention relates to an apparatus for the dieless forming of a sheet. The apparatus comprises a pressing mechanism and a sheet holding mechanism which are moved with respect to each other in X, Y and Z-axis directions and has a fixed ceiling plate for... | 04/17/2001 |
| 6053026 | Block-set form die assembly A block-set form die assembly (14) for press or stretch forming a product (12), such as a sheet metal product, is provided. In one embodiment, the block-set form die assembly (14) comprises a pin box (18) having a number of pins (20) contained within a co... | 04/25/2000 |
| 6032504 | Draw stamping die for stamping body panels for motor vehicles A method and apparatus for forming an exterior body panel for a motor vehicle. The method comprises mounting a sheet of metal material in a die assembly, clamping first peripheral portion of the sheet of metal material between clamping surfaces of the die... | 03/07/2000 |
| 6006576 | Super stretch draw die and method A die assembly for draw stamping sheet metal in a press. The die assembly has an upper die structure and a lower die structure, each constructed and arranged to me mounted on a press for reciprocal movement therebetween. The upper die structure and the lo... | 12/28/1999 |
| 5875665 | Apparatus and method for bending a workpiece An apparatus for bending a workpiece comprises a stretching device for stretching the workpiece. In the process for bending the workpiece, an inclination angle made by a direction a tension force is acted to the workpiece and a direction a stretching fort... | 03/02/1999 |
| 5860314 | Stretch bend forming apparatus, method and product formed thereby A method and apparatus for stretch bend forming of sheet stock and the product formed by either the apparatus or method. The method for stretch bend forming of sheet stock includes steps of (i) clamping a first portion of the sheet stock in a first clamp,... | 01/19/1999 |
| 5771730 | Equipment for forming metal profiles The equipment forms metal profiles on a stretch-bending machine on which a profile to be formed is held at its end by jaws connected to stretching rams and to a system for bending it against a convex punch member fixed to a toolholder table of the machine... | 06/30/1998 |
| 5718144 | Dwell cam driver for stamping press A dwell cam driver for advancing a horizontal slide into engagement with a workpiece to be formed in a stamping press. The driver has a pivoted anvil and the slide also has a pivoted anvil. When the driver moves downwardly, cam faces on the anvils interen... | 02/17/1998 |
| 5553518 | Industrial tool for forming metal having a thermoplastic honeycomb core A method of manufacturing a tool which comprises preparation of a thermoplastic honeycomb core. The honeycomb core is suspended within a mold. The method also comprises pouring a thermosetting medium between the core and the mold to form the tool and remo... | 09/10/1996 |
| 5526671 | Method and apparatus for leveling a die on a die-forming machine A leveling apparatus for leveling a die mounted on die posts on a die base. The die base has first and second die posts on which is mounted a die for adjustable vertical movement. A first motor is operatively connected to the first die post for moving the... | 06/18/1996 |
| 5428981 | Apparatus and method for forming of a wide side wall for a chill mold intended for a thin slab casting installation A method of forming a wide side wall of a chill mold for a thin slab casting installation and which has a bulged widened region proceeding from the upper edge of the wall and terminating toward the sides and toward the bottom of the wall, includes making ... | 07/04/1995 |
| 5351517 | Method of, and a machine for, stretching and bending a profiled length of material A method of stretching and bending hollow profiled lengths of material provides for the hollow profiled length to be bent symmetrically from both ends, starting from the ends of the length of material, simultaneously in a Y torsion direction under initial... | 10/04/1994 |
| 5315854 | Tube tapering apparatus having a variable orifice die An apparatus for tapering a tube having a frame, a tube receiving end connected to the frame, a variable-orifice die arranged so as to be movable relative to the frames, and an axial tension cylinder connected to the tube receiving end so as to apply tens... | 05/31/1994 |
| 5214951 | Method and apparatus for controlled bending of strip stock A method and apparatus for accomplishing controlled bending of elongate strip stock, such as window frame strip stock, for example. An elongate flexible die is utilized having a plurality of elongate die strips including an inner laminant having considera... | 06/01/1993 |
| 5115661 | Forming parts from ductile materials Method of stretch forming a workpiece comprising placing the workpiece on a former, gripping the workpiece by at least one gripper, pulling the workpiece to a desired configuration over the former by the at least one gripper, disposing a force-applying de... | 05/26/1992 |
| 5014537 | Convertible lockbead-drawbead A bead structure for die binders which is easily convertible into either a drawbead structure or a lockbead structure includes a bead on one die binder having a generally planar roughened outer wall, a groove in the other binder, and a bead insert which i... | 05/14/1991 |
| 4827753 | Extrusion former with three-way powered movement An elongate member former is characterized by three-way powered forming movement and is composed of a main frame and a moveable die table mounted on the main frame and adapted to carry a die for being urged against the member to form the member into a pre... | 05/09/1989 |
| 4815308 | Method and apparatus for forming an elongate member into a predetermined shape An extrusion former includes tension cylinders for holding an extrusion by its opposite ends under tension in jaws which are free to pivot in tangent relation as a centrally positioned die is urged against the extrusion to form it into a predetermined sha... | 03/28/1989 |
| 4803878 | Method and apparatus for forming elongate tubular members into a predetermined shape while extrusion is gas pressurized and product The apparatus forms an elongate tubular member into a predetermined shape while preventing crimping of the walls of the member and comprises jaws for holding the member at its opposing ends and a pressurizer for pressurizing the interior of the member to ... | 02/14/1989 |
| 4747292 | Stretch forming apparatus Jaws (20) and (23) on a stretch former (10) hold a metal sheet while the tension cylinders (18) and (19) stretch the metal sheet into its "yield state." In one embodiment, a bulldozer platen (33) carries a female die (32) into and out of forming contact w... | 05/31/1988 |
| 4712406 | Apparatus for bending tubular workpieces A method and apparatus for bending tubular workpieces whereby a tube length is placed in front of a template and selectively driven deforming shoes urge the tube into engagement with the same. Where the desired tubular radii of curvature are relatively la... | 12/15/1987 |
| 4698995 | Method for stretch forming drop hammer parts utilizing stretch wrap forming techniques Jaws (20) and (23) on a stretch former (10) hold a metal sheet while the tension cylinders (18) and (19) stretch the metal sheet into its "yield state." In one embodiment, a bulldozer platen (33) carries a female die (32) into and out of forming contact w... | 10/13/1987 |
| 4142394 | Apparatus for forming circularly bent articles from a straight profiled strip Apparatus for forming circular rims for bicycle wheels from metal profiled strip material in which first strip pieces are cut to a length corresponding to the circumferential length of the rims, curved end portions are formed on each strip piece, and each... | 03/06/1979 |
