Improvements to the system for Automatic emptying and uncover l Steel obtained by aluminotermia for the welding of Rails and other hildebert Profiles

摘要

The present Invention relates to a Sealing Device for use in a Solder pot Fuse built with a mixture of ferrosilicon and Mill scale pulverized bothHot agglutinated by a phenolic resin to form a Cylinder that is partially and sticks to a Nozzle of Sand Bonded with Sodium silicate.