挤出机的发展历史

The extruder originated in eighteenth Century, Joseph Bramah (England) in 1795 for the manufacture of manual piston extruder manufacturing seamless plumbing is considered to be the first extruder in the world. From then on, during the 50 years before nineteenth Century, extrusion machine basically is only applicable to the production of plumbing, pasta and other food processing, brick and ceramic industry. In the process of development as a kind of manufacturing method, first have a clear record is R.Brooman in 1845 for the production of solid glue extruder with top wire patent. Solid Bora H.Bewlgy then modified the extruder, and in 1851 it will be used for first submarine cables coated between Dover and Calais, the copper wire. 1879 British M.Gray made the first spiral screw extruder using Archimedes patent. In the following 25 years, the extrusion method is becoming more and more important, and it is gradually replaced by the electric extruder. In 1935 Troestar, a German machinery manufacturer, produced an extruder for thermoplastic Paul. In 1939, they developed the plastic extruder to a stage of modern single screw extruder.