Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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RUBAL CODINA FRANCISCO
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RUBAL CODINA FRANCISCO
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Application filed by RUBAL CODINA FRANCISCOfiledCriticalRUBAL CODINA FRANCISCO
Priority to ES0216629ApriorityCriticalpatent/ES216629A1/en
Publication of ES216629A1publicationCriticalpatent/ES216629A1/en
A refinement in the suction loudspeakers, which consists essentially of forming the vibrating membrane based on a material piece and appropriate dimensions, which is placed in front of the intake and air inlet hole, which is fixed in this position by a single point peripheral and through a flap of its own material, said membrane being subjected at the same time by its rear part to the action of a suitable tension spring to ensure its return to the resting position after each aspiration. (Machine-translation by Google Translate, not legally binding)
ES0216629A1954-07-151954-07-15A perfection in the aspiration horn (Machine-translation by Google Translate, not legally binding)
ExpiredES216629A1
(en)
A device for controlling the suction effect in pneumatic carriers of leaves for cigar machines (Machine-translation by Google Translate, not legally binding)