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G DE ANDREIS METALGRAF ESPA OLA S A
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G DE ANDREIS METALGRAF ESPA OLA S A
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Application filed by G DE ANDREIS METALGRAF ESPA OLA S AfiledCriticalG DE ANDREIS METALGRAF ESPA OLA S A
Priority to ES0012739UpriorityCriticalpatent/ES12739Y/en
Publication of ES12739UpublicationCriticalpatent/ES12739U/en
Application grantedgrantedCritical
Publication of ES12739YpublicationCriticalpatent/ES12739Y/en
A liquid sprayer with insufflator piston, characterized in that it has the rod of the piston constituted of tinplate or tinned metal plate or plumb, wound, which allows, at the same time as achieving a body sufficiently resistant for the function that has to To realize, of less weight and cost than the rod of solid iron commonly used, to avoid the oxidation that of such shank tends to occur, and that is cause of an increase of friction of the rod with the end of the cylinder through it crossed, as well as to allow also fixing the rod to the plunger body by welding, thereby avoiding the danger of loosening of the assembly formed by the constituent elements of such piston when they meet together and to the rod by means of thread and nut. (Machine-translation by Google Translate, not legally binding)