FreshPatents.com: Threaded, headed fastener, or washer making: process and apparatus - USPTO Class 470 Patent Applications Update http://www.freshpatents.com/Threaded-headed-fastener-or-washer-making--process-and-apparatus-dtnewntc470.php USPTO Class 470 - Threaded, headed fastener, or washer making: process and apparatus en-us Thu, 22 Jan 2009 01:33:51 -0800 1000 Wednesday Thursday Friday Saturday Sunday FreshPatents.com 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif Method of manufacturing a bi-metal screw http://www.freshpatents.com/Method-of-manufacturing-a-bi-metal-screw-dt20090115ptan20090017924.php Thu, 22 Jan 2009 01:33:51 -0800 The present invention pertains to a method of manufacturing a bi-metal screw comprising a sequence of procedures; wherein, the process preparation is for arranging a shank portion and a drilling portion made of different materials; the shank portion has a planar welding surface defined thereon; in particular, the drilling portion... Method for the cold extrusion of bolts, in particular for fastening the cutting blades of mowers or the like http://www.freshpatents.com/Method-for-the-cold-extrusion-of-bolts-in-particular-for-fastening-the-cutting-blades-of-mowers-or-the-like-dt20090115ptan20090017925.php Thu, 22 Jan 2009 01:33:51 -0800 A method for producing metal parts such as special bolts (20) by means of cold extrusion in pressing dies comprises a first step of cutting to size a metal blank (30) to be modelled with predetermined dimensions, at least one step of cold pressing in a die in order to...