Improvements introduced in the cases of colada in machines of molding of escayola (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in casting boxes in machines used for the manufacture of plaster plates of exact measurements and of high surface quality, whose casting boxes have chamber walls provided with a chromium coating, slipping upright in the machine molding, being expelled from it under pressure, characterized by the walls of the chambers consist, in an iron plate that meets the needs of mechanical resistance, on which a stainless steel plate is pasted, which supports the chrome layer Generated by galvanic way. (Machine-translation by Google Translate, not legally binding)