Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8297100 | Method and apparatus for making metallic casing An exemplary apparatus for making metallic casing, the apparatus includes a first mold and a second mold, the first mold is opposite and movable relative to the second mold, the first mold defines a rectangular depression opposite to the second mold. The rectangular... | 10/30/2012 |
| 8291739 | Trimming press working apparatus A trimming press working apparatus 1 includes a trimming means 6 for cutting a plate material 2 along a trimming line 5 which divides a product portion 3 from a non-product portion 4 in the plate material 2; a scrap c... | 10/23/2012 |
| 7574887 | Forming machine comprising a shearing device for a shearing bar A forming machine has a shearing device for shearing a bar. This shearing device comprises a fixed blade, with a passage for feeding through the bar to be sheared, and a shearing part which can be moved forward and backward parallel to the fixed blade. The shearing ... | 08/18/2009 |
| 7343678 | Method and device for production of a hollow section The invention concerns a method and apparatus for production of a hollow section (1) in which a coiled pre-shape of the hollow section (1) is deep drawn from a sheet part, which is pre-bent after a trimming process and coiled into the final shape of ho... | 03/18/2008 |
| 7340978 | Method and apparatus for making a rotary tool for chip removing machining A method for manufacturing a rotary tool for chip removing machining with at least one chip flute that extends in the longitudinal direction of the tool. The method involves preparing a mixture of a cemented carbide, cermet or ceramics powder and a carrier, such as ... | 03/11/2008 |
| 7260970 | Hot forge forming facility A hot forge forming facility includes at least a material supply device, a heating device, a guiding device and a punching device. The material supply device carries a continuous supply of metal material in rolls. The heating device heats and softens the metal mater... | 08/28/2007 |
| 7073221 | Bed having a removable foot section A patient support apparatus including a patient support and a removable section. A locking mechanism includes interactive members supported by the patient support and the removable section for releasably securing the removable section to the patient support. ... | 07/11/2006 |
| 7054711 | Unit for the production of track elements According to the invention, a unit (10) is proposed for the production of track elements (25), which comprises a plurality of clamping devices (14) arranged one after another in the longitudinal direction of the unit. Provided in the clamping de... | 05/30/2006 |
| 7036227 | Process for making ratchet wheels A process for manufacturing ratchet wheels including the steps of: forming a cylindrical forging billet by hot or cold forging, the forging billet having a thru hole of inter-communicating recesses which are pre-formed in a forging die; providing a broach having tee... | 05/02/2006 |
| 6951124 | Method for making elements of a continuously variable transmission belt Notched areas are provided on the outer periphery of a flat plate in the coining process to allow material of said plate flow more easily toward the periphery during the coining process. Use of flat plate provides a more economical way of making elements with accura... | 10/04/2005 |
| 6581430 | Method of making an eyewear frame A method of making an eyewear frame comprising the initial step of extruding an elongated billet of substantially rigid material having a top surface having predetermined convex cross-sectional initially as extruded curvature and a bottom surface having a... | 06/24/2003 |
| 6453716 | Method of blanking elements of belt for continuously variable transmission Elements with heads confronting each other are blanked out of two opposite sides of an elongated metal sheet. The differences between thicknesses of the elements at a measurement point at or near necks of the elements and measurement points at ears of the... | 09/24/2002 |
| 6418611 | Progressive die machine An apparatus for serially making formed parts from a web of deformable material with a stud mounted therein having a plurality of progressive die forming stations for forming multiple parts from the web by advancing the web through each forming station. I... | 07/16/2002 |
| 6408671 | Hydromechanical drive of a cross-shearing station A press has a tool which comprises an upper tool part and a lower tool part. The upper tool part is held on the press slide, while the lower tool part is stationarily mounted in the press frame. A movable forming element, such as a shearing blade, is prov... | 06/25/2002 |
| 6389671 | Progressive die machine and method An apparatus for serially making formed parts from a web of deformable material with a stud mounted therein having a plurality of progressive die forming stations for forming multiple parts from the web by advancing the web through each forming station. I... | 05/21/2002 |
| 6138488 | Method and apparatus for forming a heat dissipating element An apparatus and a method for producing a heat dissipating element having a multiplicity of pins arranged in parallel rows and columns in longitudinal and transverse directions from a generally longitudinally extending extruded member having a base and a ... | 10/31/2000 |
| 6135936 | Paper cup bottoms and method and apparatus for forming same A bottom for a paper cup is formed by advancing a punch against a paperboard web to push the web against a cutting edge which cuts out a circular cup bottom blank from the web. The punch is kept in a forward state to clamp an outer peripheral portion of t... | 10/24/2000 |
| 6128987 | Hydraulic press for forming metal plates A hydraulic press has closed loop feedback control on a slide, a slide pad and bolster cylinders. Hydraulic cylinders actuating various components of the press are controlled according to ideal position estimates to produce consistent and precise pressing... | 10/10/2000 |
| 6122814 | Method for forming a ring with a chamfered section A process for manufacturing a ring that has at least one cylindrical end section that ends in a chamfer is disclosed. The process entails providing a flat-shaped article which is formed of a material capable of being deep-drawn. The flat-shaped article is... | 09/26/2000 |
| 6098829 | Can components having a metal-plastic-metal structure The invention concerns components of food cans (1), can bodies (6), and ends fabricated starting from a stratified construction constituted by a foil of plastic material on each of the faces of which adheres a metal foil and their fabrication process. The... | 08/08/2000 |
| 6076464 | System for making printing plates for newspaper printing A system for making printing plates for newspaper, which can make, with great efficiency, replacement printing plates to be used when a printing face of the printing plate mounted on the plate cylinder of the rotary press is to be changed in part. The pla... | 06/20/2000 |
| 6006563 | Progressive die machine and method An apparatus for serially making formed parts from a web of deformable material having a plurality of progressive die forming stations for forming multiple parts from the web by advancing the web through each forming station. In one embodiment, the appara... | 12/28/1999 |
| 5878615 | Apparatus and method for bending/cutting a workpiece A cutter/bender apparatus is provided for selectively cutting and bending a workpiece. The bending member includes a bending pin actuated by a hydraulic cylinder that moves the bending pin into and out of engagement with the workpiece to clamp the workpie... | 03/09/1999 |
| 5848548 | Method of forming at least two carpet fastener strips from a single sheet of sheet metal A carpet fastening system and method of manufacture in which an exemplary two, complementary, substantially identical carpet fastening strips are fashioned along side, but opposed to, one another in interdigitated fashion from a single, longitudinally elo... | 12/15/1998 |
| 5842267 | Method and apparatus for forming parts of a predetermined shape from a continuous stock material The present invention provides a method and apparatus for forming a plurality of parts, such as spade-type boring bits, from a continuous stock material. Thus, the various steps of the forming method of the present invention can be performed to predetermi... | 12/01/1998 |
| 5836195 | Automatic cutter rotating mechanism for wire forming machine A type of automatic cutter rotating mechanism for wire forming machine, on the circumference of the rotating spindle of said wire forming machine is fitted with a rotating unit; said rotating unit can be driven by a first servo motor via a transmission me... | 11/17/1998 |
| 5682663 | Manufacture of covering for infusion bottle A covering (A) which is developed as closure for infusion bottles (3) or the like, having a cap (1) adapted to be flanged at its lower edge (11) onto the neck (2) of the bottle, the cap having a hole (9) in its top (8) for the formation of a puncture regi... | 11/04/1997 |
| 5608965 | Method of making electrical connectors Elongated generally rectangular in-section conductive metal bar stock is formed by extrusion to form a post type electrical bus connector. The shorter dimension is approximately the diameter of the posts to be formed, while the longer dimension is approxi... | 03/11/1997 |
| 5562515 | Lamp base locking clip A lamp base locking clip comprises a first end having a given thickness; an intermediate portion having a thickness at least approximately 3 times said given thickness and a second end having said given thickness. The intermediate portion is defined by op... | 10/08/1996 |
| 5483813 | Process to make a toroid outer shell from sheet stock A process for converting sheet stock into a seamless outer shell for a toroidal shaped hybrid inflator for air bag inflation systems. In the process a seamless toroidal shaped shell is fabricated from sheet stock by a sequence of process steps comprising ... | 01/16/1996 |
| 5478280 | Method of making a tubular body having a deformable internal skirt A tubular body (74, 102) having a deformable internal annular skirt is made from a blank (10, 80) having a stopped bore (20) which terminates at an end wall (24). First, an aperture (40) is formed in the end wall (24) to provided a through bore, of which ... | 12/26/1995 |
| 5458717 | Method of shearing thin metal sheet A method of shearing a thin metal sheet having a thickness of approximately 0.1 mm or less so as to be separated into a product and scrap by a pair of dies. A chamfer or a round having a size of approximately from 5 to 10 times greater than the thickness ... | 10/17/1995 |
| 5421185 | Apparatus for cutting sheet material into curved segments An apparatus and method are provided for cutting a sheet of material into a plurality of segments having curved edges. A sheet of material is placed on a frame having a horizontal support member. A clamping device secures the sheet and a first mechanism m... | 06/06/1995 |
| 5327767 | Press working apparatus A press working apparatus has a press machine provided with a pair of press dies. The press machine presses a preheated metal slab being transferred in a feeding direction with the press dies mutually opposed to press the metal slab in a direction perpend... | 07/12/1994 |
| 5272896 | Forging method and system A forging method for making a forged product from an elongate steel bar material. The forging comprises a heating step in which the elongate bar material is heated, a cutting step in which the heated bar material is cut into billet materials each having a... | 12/28/1993 |
| 5257521 | Apparatus and method for cutting spiral pipe An apparatus and method for cutting a pipe includes first knife means having a cutting edge adjacent a surface of the pipe and second knife means having a cutting edge adjacent an opposite surface of the pipe. To cut the pipe, the first knife means is mov... | 11/02/1993 |
| 5247825 | Method of forming part in progressive die system A malleable sheet of material is introduced into a progressive die system having a plurality of stations containing one or more dies for forming a predetermined configuration in the malleable sheet of material as the sheet progresses through the system. A... | 09/28/1993 |
| 5235881 | Piercing die whose punch has different amounts of chamfer at different outer peripheral edge portions A piercing die including a punch and a die cooperating with each other to effect a piercing operation on a metallic workpiece sheet, the punch having an outer peripheral edge having a closed profile at a working end thereof. The outer peripheral edge of t... | 08/17/1993 |
| 5146668 | Method for manufacturing part for floating nut assembly An attaching sleeve for a floating nut assembly is formed from rod or wire stock by successive cold heading or cold forming operations. The steps involve cutting off a longitudinal segment from the stock, forming a flange on the front end of the segment, ... | 09/15/1992 |
| 5074139 | Roll forming of semiconductor component leadframes A method by which leads of a semiconductor component are bent into their final shape using a roll forming process to bend the leads into the desired shape before separation of the individual components. The roll forming process achieves a final form by pa... | 12/24/1991 |
