Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7310989 | Hydraulic circuit for linearly driving a movable roller-holder slider of a pipe bending machine A hydraulic circuit for linearly driving a movable roller-holder slider of a pipe bending machine, comprising a hydraulic cylinder (5) whose piston rod is connected to a slider holding a movable roller, the cylinder being fed with pressurized fluid from a res... | 12/25/2007 |
| 7213431 | Method of manufacturing an aluminum alloy wheel A method of manufacturing an aluminum alloy wheel, comprising the steps of producing an elongated strip of alloy blank with a desired cross-section by squeezing an alloy material, pre-curving the two ends of said blank into arcs, placing one end of said blank betwee... | 05/08/2007 |
| 7114359 | Method for producing bent spring rails from an endless spring band The invention relates to a method for producing bent spring rails from an endless spring band. The method is characterized by the following steps: continuous bending of a section of spring band; cutting the bent section of spring band into a spring rail; discontinuo... | 10/03/2006 |
| 7040127 | Method and device for forming a pipe A method and a device are proposed which accurately and efficiently form a pipe with a bending machine only, without using any correcting devices. A plate having holes is fed into a bending machine in which under an upper roll, lower rolls parallel thereto are arran... | 05/09/2006 |
| 7032423 | Hydraulic circuit for linearly driving a machine-tool slider in both directions A hydraulic circuit for linearly driving a machine-tool slider in both directions, comprising an hydraulic cylinder (5) whose piston rod (4) is connected to a slider and which is fed with pressurized fluid from a reservoir (14) by a pump (15 | 04/25/2006 |
| 7017268 | Seal reforming method and apparatus The present invention relates generally to a method and apparatus for temporarily reforming or deforming the lip portion of a resinous seal so that the seal may be readily installed in an intended application. The invention includes a method and apparatus that inclu... | 03/28/2006 |
| 6918306 | Adjustable flexure loading apparatus for testing long span beams An adjustable loading apparatus for supporting a long span beam in a flexure test by a load application device is disclosed. The apparatus includes an upper support structure including an elongated support beam, at least one support bracket adjustably mountable alon... | 07/19/2005 |
| 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 |
| 6755066 | Bending device for bending plastically deformable strip material A bending device for bending plastically deformable strip material. The reverse bending that is required for workpieces with narrow processing tolerances in particular takes place independently of the actual bending. This increases the processing precision of the wo... | 06/29/2004 |
| 6598447 | Section bending machine A machine for bending sections (2) having a longitudinal axis (3) and a constant cross section along the longitudinal axis (3) feeds the sections (2) longitudinally in a first direction (D1), and has a first and a second annular die (11, 12); an ass (15) ... | 07/29/2003 |
| 6598446 | Bending machine for pipes, sections or similar A machine for bending pipes (2; 63; 78) sections or similar of a given section (S1; S2; S3) has a guide device (6) having a longitudinal axis (9) for guiding the pipes (2; 63; 78) in a feed direction (D1) parallel to the axis (9); and a bending member (7)... | 07/29/2003 |
| 6298704 | Portable bending apparatus having transaxial workpiece loading A portable workpiece bending apparatus selectively bends an elongated workpiece at selected portions of the workpiece along its length. The apparatus allows transaxial loading and unloading of the workpiece. The apparatus includes a frame. Three rollers a... | 10/09/2001 |
| 6185969 | Machine for bending tubes with small diameter A machine for bending tubes (1) with small diameters, which are pre-cut and provided with connection systems at both ends. This machine comprises elements (5) for grasping the rear end of the tube (1), elements for entrainment of the grasping elements acc... | 02/13/2001 |
| 6173598 | Modular multipurpose bending machine and its linear positioning system A bending machine includes a bending head with three bender rollers, one of which is vertically displaceable with a double-acting cylinder having a cylinder body inside the bending machine frame and below the bending head. A work surface is above the bend... | 01/16/2001 |
| 6079247 | Sheet metal bending machine with offset press rollers The invention features a sheet metal bending machine constituted by a smooth carrying roller around which the sheet metal is rolled, after bending, and by smooth press rollers against which the carrying roller presses, is characterized in that the carryin... | 06/27/2000 |
| 5970770 | Modular multipurpose bending machine and its linear positioning system A bending machine includes a bending head with three bender rollers, one of which is vertically displaceable with a double-acting cylinder having a cylinder body inside the bending machine frame and below the bending head. A work surface is above the bend... | 10/26/1999 |
| 5704242 | Universal ring bender Universal pipe bender comprising a geared motor (1; 11); a box, on a working table whereof two or more pairs of hollow rotary motion drives having fixed parallel rotation axes (2, 2a; 2', 2a'; 2", 2a"; 12, 12'; 12a, 12a') intended to receive, interchangea... | 01/06/1998 |
| 5115658 | Shaping machine for cylindrically bending a plate A shaping machine for bending a plate into a cylindrical shape which comprises a frame and first, second, and third roll assemblies disposed on the frame. Each of the roll assemblies includes a roll for engaging a plate to be bent and a plurality of pairs... | 05/26/1992 |
| 5044187 | Metal tubing roller or crowner A metal tubing rolling apparatus positions a metal tubing section between three Nylon rollers for bending into a desired curvature. The middle roller is adjustably mounted to be raised and lowered and to preset the degree of arc to be placed in the portio... | 09/03/1991 |
| 4977770 | Automatable bending machine having crenelated rolls A bending machine for shaping a flat sheet into a cylinder or cone by passing the sheet between a support roll and a train crenelated rolls having parallel axes. The crenelated rolls are subjected to pressure by a train of press rolls having axes parallel... | 12/18/1990 |
| 4918958 | Device for bending conical wires The invention relates to a bending apparatus for wires having a cross section which varies according to their lengths, and comprising two cylindrical sections and an interleaved conical section. The wire is bent by means of three rollers. The bending roll... | 04/24/1990 |
| 4726210 | Method and apparatus for making can bodies from sheets Plane, rectangular sheets (10) are moved through between a driven bending roll (32) and a plurality of back-up rolls (34) and are bent round the bending roll (32) by these rolls and a plurality of pressure rolls (52, 56) disposed behind the bending roll (... | 02/23/1988 |
| 4706488 | Method of roll forming cylindrical pipe The method and apparatus for rolling a section of metal plate into a cylindrical pipe section wherein leading and trailing edges of said plate section are pre-crimped to the final desired radius of said cylindrical pipe section, feeding the leading edge o... | 11/17/1987 |
| 4653301 | Bending machine for pipes, sections and similar The bending machine comprises two pairs of parallel feed rollers between which the pipe is fed in a given first direction, and a slide moving in a second direction perpendicular to the first and having a pair of bend rollers turning on it in idle manner; ... | 03/31/1987 |
| 4628721 | Method of roll forming cylindrical pipe The method and apparatus for rolling a section of metal plate into a cylindrical pipe section wherein leading and trailing edges of said plate section are pre-crimped to the final desired radius of said cylindrical pipe section, feeding the leading edge o... | 12/16/1986 |
| 4624121 | Method of, and apparatus for producing multi-dimensionally bent elongate articles A multi-dimensional bending method and apparatus are disclosed, wherein the entire length of the product is divided into a plurality of imaginary segments which are identified by detecting the continuously supplied length of an elongate material. This mat... | 11/25/1986 |
| 4606208 | Pipe forming apparatus The method and apparatus for rolling a section of metal plate into a cylindrical pipe section wherein leading and trailing edges of said plate section are pre-crimped to the final desired radius of said cylindrical pipe section, feeding the leading edge o... | 08/19/1986 |
| 4304114 | Process of rolling automobile rims The invention relates to a method of rolling tire rim blanks from flat metal strips obtained by unwinding strip material from a coil which is cut into strips of desired lengths which are then rolled into a circular shape by anvil rolls cooperating with bo... | 12/08/1981 |
| 4201074 | Submersible pipe installation systems In general, the present invention provides processes and apparatus for bending and straightening, or otherwise installing marine pipelines at underwater installations, and includes systems in which marine pipelines are installed at water depths to 250 fee... | 05/06/1980 |
| 4164133 | Apparatus for forming circularly bent articles from a straight metal 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... | 08/14/1979 |
| 4133197 | Roll-type machine for forming cylindrical sheet metal bodies A roll-type machine for forming a cylindrical metal body from an initially flat sheet of metal; such cylindrical body being for use in the manufacture of tanks for air, gas, or water. The machine includes a forming roll which is mounted and controlled in ... | 01/09/1979 |
| 4132099 | Four-roller workpiece bending machine The machine comprises a frame, a first roller rotatably supported by the frame and a second roller rotatably supported by the frame and disposed below the first roller to cooperate therewith. A gear is secured to the first roller to be rotatable therewith... | 01/02/1979 |
| 4054982 | Method of forming circularly bent articles, in particular wheel rims, from a straight metal profile strip and apparatus for performing the method A method of 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 s... | 10/25/1977 |
| 4048830 | Four-roller sheet bending machines The machine comprises a frame, a pair of nip rollers, two side-rollers disposed on respectively opposite sides of the nip rollers, and four pressure fluid operable devices each displaceably supporting a respective end portion of one of the side-rollers. E... | 09/20/1977 |
| 4040283 | Bending rolls machine A bending rolls machine having the intermediate roll and shaft thereof driven from a "linking chain" by a gear located at the pivot point of a pivot member carrying the intermediate roll and shaft on the distal end of the pivot member, and the pivot-point... | 08/09/1977 |
| 4019356 | Apparatus for the cold working of bar stock A machine bed supports stationary and rotary fixing means that are aligned for receiving bar stock therebetween. Electrical or electromechanical control means are provided for selecting and effecting, via a motor-driven step-down gear, exactly a predeterm... | 04/26/1977 |
