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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7552611 | Sheet processing apparatus, method of use, and plastically deformed sheet An apparatus for plastically deforming a work piece in the form of a sheet, comprising at least two cylindrical guide rolls rotatable in a first direction, each of said cylindrical guide rolls having an outer circumference; a bendable strip having a portion of at le... | 06/30/2009 |
| 7409844 | Apparatus for thinning upstanding sides of metal sheets Metal sheets, and in particular, metal sheets for roofing of the kind having upstanding flat edges ending with beads, are bent by rolling the flat edges such that they become gradually thinner towards the beads. The sheets will also be bent if the beads are not roll... | 08/12/2008 |
| 7310984 | Forming apparatus for precambered metal sections A forming apparatus (50) includes a roll former (51) operative to roll form a metal strip (100) to form a profiled metal section (10) of generally C section profile including a pan (12) and a pair of upstanding edge margins (14 | 12/25/2007 |
| 7293445 | Sheet processing apparatus, method of use, and plastically deformed sheet An apparatus for plastically deforming a work piece. The apparatus comprises at least two cylindrical guide rolls rotatable in a first direction, a bendable strip having a portion of at least one surface in communication with a portion of an outer circumference of e... | 11/13/2007 |
| 7290422 | Device for free three-dimensional profile forming The invention pertains to a device for the 3D free-form bending of profiles with arbitrary, but constant outside dimensions over the profile length, particularly hollow profiles, wherein the profile to be bent has a longitudinal axis and is moved through the through... | 11/06/2007 |
| 7287407 | Device and method for forming a flanged ring A is adapted to form a flanged ring including an elongated curved extension from an elongated straight flange with an elongated base and an elongated protrusion extending from the elongated base. The device comprises a first pair of opposed surfaces adapted to compr... | 10/30/2007 |
| 7159432 | Device for bending profiles by thinning a wall of the profile In a device and in a process for bending a tube 72, the tube 72 is guided through a bending tool 71, which rotates around a section guide housing 81, 82 and also around a cam unit formed by two tubes 83, 84. Rollers 86 serve... | 01/09/2007 |
| 7111487 | Apparatus and method for forming curvature in sheet metal A curvature forming device has an upper member and a lower member. A clamping member is mounted on a spring within a recess in the upper member. An elongate deforming member is fixedly mounted in the same recess. The deforming member protrudes out of the recess more... | 09/26/2006 |
| 7065998 | Control element adapted to prevent an external-flange angle iron from being twisted during its bending A control element (1) adapted to prevent an external-flange angle iron from being twisted during its bending is applied to a variable-radius bending machine, on which an angle iron (10) is worked by deformation by at least two couples of lower co-axial... | 06/27/2006 |
| 6920772 | Pinch roll unit A pinch roll unit for either propelling or retarding a product moving along the pass line of a rolling mill comprises a pair of levers mounted for rotation about parallel first axes. Roll shafts are carried by the levers with each roll shaft being journalled for rot... | 07/26/2005 |
| 6752451 | Strengthening member for automobile An object of the present invention is to provide a lightweight strengthening member for an automobile, excellent in crush resistance in the axial direction and having high flexural strength. Further, another object thereof is to provide a strengthening member which ... | 06/22/2004 |
| 6286352 | Stretch roll forming apparatus using frusto-conical rolls A stretch roll forming apparatus has multiple roll forming stations arranged serially so that a sheet metal workpiece can be advanced through the stations in sequence. Each station includes a pair of roller dies supported by an inboard support station and... | 09/11/2001 |
| 6253591 | Method and apparatus for bending a metallic flanged member A method for bending a metallic flanged member includes the steps of applying a compressive force to a flange 2 of a metallic flanged member 1 in a direction that intersects a longitudinal direction of the metallic member for compression plastic deformati... | 07/03/2001 |
| 5979205 | Ring manufacturing method and ring manufacturing apparatus A ring manufacturing method and a ring manufacturing apparatus according to the invention does not require the preparation of a specially shaped plate material for each type of ring plate to be manufactured. It is therefore possible to manufacture a ring ... | 11/09/1999 |
| 5253501 | Mechanism and method for bending sheet metal Bending preshaped sheet metal pieces that have a web and side flanges, by stretching on one side, and compressing on the other side, by utilizing opposed rollers. They can be, and are, selectively bent into cylinder shapes or cone shapes. The bending step... | 10/19/1993 |
| 4884425 | Roll forming apparatus for forming barbed tape into a coded configuration An apparatus and process is provided for forming a helical barbed tape. The process first involves supplying rolled steel which is passed to an apparatus for blanking barbs and cutting the steel into strips. The strips are mounted on individual cassettes.... | 12/05/1989 |
| 4857412 | Method for forming a planar sheet or plate to a curved shape The present disclosure relates to an apparatus and a method for deforming sheet metal plates and more particularly aluminium and steel plates. The objectives of this disclosure are realized by laminating a plate of sheet metal in juxtaposed and parallel s... | 08/15/1989 |
| 4833904 | Process for making barbed tape An apparatus and process is provided for forming a helical barbed tape. The process first involves supplying rolled steel which is passed to an apparatus for blanking barbs and cutting the steel into strips. The strips are mounted on individual cassettes.... | 05/30/1989 |
| 4688414 | Production procedure of brake shoes Process of manufacturing brake shoes characterized in that a T section profile (1) is passed between a pair of rollers (6) and (7) of which one (6) is plain--and the other (7) of which has an annular groove (8), in which the stem (4) of the T (1) is freel... | 08/25/1987 |
| 4663956 | Process and apparatus for determining the quality of a thin coated or uncoated steel sheet The process is in particular intended for the manufacture of tinplate and comprises cutting a strip in the direction transverse to the direction of rolling of a reel of steel sheet, subjecting said strip to a drawing action by compression while bending th... | 05/12/1987 |
| 4583675 | Method of production of a part formed with an opening A method of production of a part formed with an opening wherein a metal strip material is subjected to rolling at its outer peripheral portion to have its thickness slightly reduced and shape the metal strip material into a ring-shaped blank, and at least... | 04/22/1986 |
| 4562715 | Process and apparatus for determining the quality of a thin coated or uncoated steel sheet The process is in particular intended for the manufacture of tinplate and comprises cutting a strip in the direction transverse to the direction of rolling of a reel of steel sheet, subjecting said strip to a drawing action by compression while bending th... | 01/07/1986 |
| 4413494 | Pinch roll system for vertical laying heads In a rolling mill wherein hot rolled rod is directed along a downwardly curved path into a vertical laying head which forms the rod into a series of rings, a method of and apparatus for propelling the rod through the laying head. The rod is passed between... | 11/08/1983 |
| 4266417 | Steel flanged wheel rims for motorized bicycles or two-wheeled vehicles and a process for producing the rims A steel flanged wheel rim includes a pair of hollow ears extending radially and outwardly at the side edges of the rim, a semi-circular recess between the ears and a flange extending radially and inwardly from the center of the recess. The steel flanged w... | 05/12/1981 |
| 4195509 | Device for bending ring segment-shaped plate blanks into conically shaped parts A device for bending ring segment-shaped plate blanks into conically shaped parts includes a pair of roll stands, a top roller, or a centrally positioned pair of top rollers supported between the roll stands, and a pair of side rollers positioned on eithe... | 04/01/1980 |
| 4157654 | Tube forming process A method of forming a tube by pushing it through a tilted die to form a bend or change circumferential variations in wall thickness.... | 06/12/1979 |
| 4122589 | Method of producing axial roller bearing cages A method for the production of an axial roller bearing cage comprising applying pressure transverse to its longitudinal direction along the entire longitudinal extent of one end flange of a flat cage strip of plastically deformable material with two space... | 10/31/1978 |
| 4044636 | Method and apparatus for forming a helical cutter strip for a dry shaver assembly The cutter strip of a dry shaver assembly is formed into a helical configuration by edgewise passage thereof between three rollers which are mounted for rotation about parallel axes and which comprise a main roller and a pair of auxiliary rollers, with th... | 08/30/1977 |
