Abstract: A welding machine has a welding unit for generating a welding voltage/current, and at least one welding tool connectable to the welding unit by a cable. The welding unit has a closed protective casing, and a cooling unit for cooling the welding tool and/or cable on command. A modular unit containing the cooling unit is insertable and easily removable from inside the casing and is closed for protection of the welding unit.

Abstract: A welding machine having a welding unit for generating a welding voltage/current, and at least one welding tool connectable to the welding unit by a cable and supplied by the cable with welding voltage/current; the welding unit has a closed protective casing, and a cooling unit for cooling the welding tool and/or cable on command; and the welding machine also has a modular unit containing the cooling unit and insertable stably and in easily removable manner inside the casing which is closed for protection of the welding unit, so as to be easily extracted and detached from the casing.

Abstract: An improved device for applying an adhesive tape, provided with printing systems for printing on the outer surface of the tape, comprises a handle coupled to a frame bearing a supporting element for a tape roll and cutting means for cutting the tape, the handle also defining the path of the tape toward the applying point thereof. Above the tape applying point is provided at least a pressing roller contacting the outer surface devoid of adhesive of the tape, the pressing rollers comprising on the outside thereof printing characters which are suitably inked by inking means supported by the frame.

Abstract: Multipurpose system for cartridge valves to mix hot and cold water which comprises a cartridge body (20) and a plurality of auxiliary elements such as adapters and elements having specialist functions, the cartridge body (20) being completed with a closure element (22), which includes in its outer surface at least one connecting hollow (34) extending circumferentially, at least one auxiliary element including a portion mating with the connecting hollow (34)