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.)
Frankische Isolierrohr and Metallwaren Werke Gehrueder Kirchner
Original Assignee
Frankische Isolierrohr and Metallwaren Werke Gehrueder Kirchner
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 Frankische Isolierrohr and Metallwaren Werke Gehrueder KirchnerfiledCriticalFrankische Isolierrohr and Metallwaren Werke Gehrueder Kirchner
Publication of ES225394A2publicationCriticalpatent/ES225394A2/es
Perfeccionamientos introducidos en la patente principal nº 204.127 sobre procedimiento para la fabricación de tubos flexibles de papel especialmente tubos para instalaciones eléctricas que está ondulado preferentemente en forma de anillos transversalmente a su dirección longitudinal, caracterizados porque se prevén preferentemente dos mandos de chapa (b,c), los cuales se ondulan conjuntamente con el tubo de panel (a).
ES0225394A1954-12-061955-12-05UN PROCEDIMIENTO PARA LA FABRICACIoN DE TUBOS FLEXIBLES DE PAPEL, ESPECIALMENTE TUBOS PARA INSTALACIONES
ExpiredES225394A2
(es)