A machine to open channels in the walls of factory to accommodate electrical or plumbing conductions (Machine-translation by Google Translate, not legally binding)

摘要

Machine for opening channels in the factory walls to house the electrical or plumbing pipes, characterized, by a cutter coupled to the shaft of an electric motor, and housed inside a protective casing through which the cutter partially protrudes, the casing being provided of guide wheels designed to roll on the surface of the walls, and having the housing handle or handles to hold the assembly with the hands and press it against the walls making it advance where the channels must be opened. (Machine-translation by Google Translate, not legally binding)