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Priority to ES277888ApriorityCriticalpatent/ES277888A3/en
Publication of ES277888A3publicationCriticalpatent/ES277888A3/en
Processing And Handling Of Plastics And Other Materials For Molding In General
(AREA)
Direct Air Heating By Heater Or Combustion Gas
(AREA)
Nozzles
(AREA)
Abstract
Improvements in spray guns, essentially characterized by the fact of providing the gun with a large inlet for a large volume of hot air to produce the work of the gun by low pressure and heat, coming from this air, advantageously from a group constituted by an electric motor on whose rotor axis are arranged a series of coaxial impellers that constitute a turbo fan, so that the air sucked through the electric motor, is heated by this, improving this heating, by the friction of the impellers of the turbo fan among themselves, thereby generating heat without requiring electrical resistance of any kind. (Machine-translation by Google Translate, not legally binding)
ES277888A1962-06-011962-06-01Improvements in spray guns (Machine-translation by Google Translate, not legally binding)
ExpiredES277888A3
(en)