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| Number | Title | Issue Date |
| 7351297 | Composite elastic web A method for producing a composite web includes supplying two or more webs to an activation mechanism, where the webs are in an unbonded state relative to each other. The method further entails simultaneously activating the webs while they are in a face to face rela... | 04/01/2008 |
| 7299967 | Method for manufacturing plate stacks, particularly coolers or cooler elements made up of plate stacks The invention relates to an innovative method for manufacturing plate stacks, particularly for manufacturing coolers or cooler elements or heat sinks at least one plate stack, with at least two plate-shaped elements made of metal, for example copper, and provided wi... | 11/27/2007 |
| 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 |
| 7124487 | Method for controlling carbon formation on repaired combustor liners A method for controlling combustor liner carbon formation on repaired combustors includes making modular effusion panel subassemblies remote from the combustor liner; removing a non-effusion or damaged panel from the combustor liner; and replacing the non-effusion o... | 10/24/2006 |
| 6769597 | Bent work and bending method and bending device used therefor A bent work is integrally formed at low cost by bending a belt-shaped thick steel material having an L-shaped cross-section so as to form a cylinder and by welding ends of the belt-shaped thick steel material to each other, the bent work being used as a bearing-rece... | 08/03/2004 |
| 6135343 | Method for roll forming and machine and blank for this Method for the fabrication of cones of sheet material where the blank includes two curved edges that are circular and have the radius R and r respectively and a common center C. The blank further has two straight lateral edges which are angled in relation... | 10/24/2000 |
| 5215245 | Method for roll embossing metal strip A method for roll embossing an enhancement pattern into a surface of a metal strip. The method is intended for use in manufacturing roll formed seam welded metal tubing having interior or exterior surface enhancements to improve the heat transfer characte... | 06/01/1993 |
| 4991291 | Method for fabricating a fold-up frame A method is disclosed for easy and inexpensive fabrication of fold-up frames having diverse geometric configurations for flat packs (metal packages) for housing discrete and integrated circuit chips. The method includes a first step of cutting a piece of ... | 02/12/1991 |
| 4945635 | Method of manufacturing brazable pipes and heat exchanger A process for producing brazeable pipes particularly for use in heat exchangers, the process comprising preparing a brazing sheet which comprises a core sheet coated with a brazing substance at least on one surface, forming a bulged portion of a semi-circ... | 08/07/1990 |
| 4865246 | Anchor bolt construction and method of manufacture An anchor bolt comprising a bolt having an upper cylindrical part with an outer thread adjacent its top and a lower conical head, and a sleeve surrounding the bolt, the sleeve comprising an upper cylindrical portion and an annular expander, the expander h... | 09/12/1989 |
| 4801070 | Engine duct and case construction A method of producing a reinforced duct structure for use with turbo-fan aircraft engines and the like. The duct is first cut from a flat metal sheet in a predetermined pattern. The sheet is rolled to form a tubular or conic structure of the approximate d... | 01/31/1989 |
| 4725334 | Method of forming integrally stiffened structures Integrally stiffened skin structures (72, 88, 96) which can advantageously be substituted for structures of the honeycomb, skin-and-stringer, and integrally machined types. Exemplary of a virtually endless list of components in which the integrally stiffe... | 02/16/1988 |
| 4603806 | Method of manufacturing metal pipe with longitudinally differentiated wall thickness First, a rectangular metal plate having thinner and thicker portions corresponding to a lighter-wall portion and heavier-wall portion of a pipe to be manufactured is prepared. Before bending the plate until both edges thereof meet to form a tubular piece,... | 08/05/1986 |
| 4603807 | Mill for roll forming a fluted tube A tubing mill for roll forming a strip of metal into a fluted tube having alternating longitudinally extending high and low portions on its outside surface. The mill includes feed means for supplying a generally planar strip of metal and embossing means f... | 08/05/1986 |
| 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 |
| 4554816 | Method for the manufacture of a pipe bend The invention relates to a method for the manufacture of a pipe bend, whereby to obtain a uniform wall thickness one starts from a strip or sheet in the butted tube manufacture, the thickness of which constantly changes such that on the butted tube there ... | 11/26/1985 |
| 4508256 | Method of constructing a three dimensional tubular member A resilient plastic web exhibiting a fiber-like appearance and tactile impression and method and apparatus for its manufacture. In a preferred embodiment, the web exhibits a three-dimensional microstructure comprising a regulated continuum of debossed are... | 04/02/1985 |
| 4465309 | Connecting or repair device A device is provided for connecting together the ends of pipes or tubing or for repairing a fault in a pipe or tubing. The device is comprised of a resilient sheet member in the form of a coil having a layer of heat sensitive bonding material applied to t... | 08/14/1984 |
| 4270689 | Method of forming a tube structure for use in a lap joint A method of forming an exhaust gas conduit tube wherein a plurality of captured take-up slots in the tubular wall define a deformable region near a free end of the tube, which region will cooperate with clamping means encircling the region to clamp the tu... | 06/02/1981 |
| 4230252 | Method for constructing a suspension member The present invention relates to a suspension member and the process for constructing the suspension member. The suspension member comprises a folded single sheet of metal which is enlarged at one end to couple to a wheel assembly and U-shaped at the othe... | 10/28/1980 |
| 4230253 | Method of making a caliper brake rotor A method for making a rotor for a caliper brake with a disc mounted on a cylindrical adaptor. The disc includes a coiled metal strip having a rectangular cross section with edge surfaces aligned to provide friction faces for engagement by friction lining ... | 10/28/1980 |
| 4206865 | Formed louver for burner liner Where the burner liner for gas turbine engines is made up of overlapping rings secured together, the ring is formed by rolling a strip to a selected shape and dimension crosswise of the strip so as to have appropriate thickness in the heavily stressed are... | 06/10/1980 |
| 4165137 | Apex track shoe and method for making the same A track shoe adapted for use in an endless track assembly for a track-type vehicle comprises a base having a pair of sidewalls formed integrally thereon. The sidewalls extend away from the base in converging relationship with respect to each other and ter... | 08/21/1979 |
| 4142663 | Apparatus and method for making perforated tube A rolled sheet metal tube having perforations therein with integrally formed associated protrusions. The protrusions alter the direction of the flow of fluid passing through the tube and ideally suit the tube for employment in mufflers for internal combus... | 03/06/1979 |
| 3973717 | Bushing fabrication A method of producing a fiberizing unit for use in producing glass fibers is shown which involves forming a sheet of metal in the form of a cylinder and providing projections on the underside on a section of said cylinder. Holes are provided through the p... | 08/10/1976 |
