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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Viuda De Gabriel Mari Montanana S A
Original Assignee
Viuda De Gabriel Mari Montanana S A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Viuda De Gabriel Mari Montanana S AfiledCriticalViuda De Gabriel Mari Montanana S A
Priority to ES1973187919UpriorityCriticalpatent/ES187919Y/es
Publication of ES187919UpublicationCriticalpatent/ES187919U/es
Application grantedgrantedCritical
Publication of ES187919YpublicationCriticalpatent/ES187919Y/es
Conducción perfeccionada para humos, caracterizada esencialmente porque cada uno de los tramos de tubo que comprende, presenta una reducción diametral de una de las bocas por ondulación en zig-zag de la pared del tubo, actuando la citada zona reducida, derecho en el acople entre tubos, los cuales, en su perfecto ensamble presentan las paredes lisas en prolongación, reforzándose exteriormente la junta de unión con una abrazadera convencional.
ES1973187919U1973-01-231973-01-23Conduccion perfeccionada para humos.
ExpiredES187919Y
(es)