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Isaac Lea Kempson
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Publication of GB189914854ApublicationCriticalpatent/GB189914854A/en
14,854. Kempson, I. L. July 19. Metal pipes and tubes.-In the manufacture of iron and steel tubes, the billets or partially-formed tubes are immersed, prior to passing through dies or otherwise operating upon them, in a bath of sulphate of copper, whereby they are covered with a coating which acts as a lubricant and buffer between the billets or tubes and the dies.
GB189914854D1899-07-191899-07-19Improvements in the Manufacture of Seamless Steel and Iron Tubes.
ExpiredGB189914854A
(en)
Process for the electrolytic oxidation of iron, steel, cast iron and copper, as well as other metals previously coated with an electrolytically deposited layer of iron or copper