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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ROYO FERRERUELA MIGUEL
Original Assignee
ROYO FERRERUELA MIGUEL
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Filing date
Publication date
Application filed by ROYO FERRERUELA MIGUELfiledCriticalROYO FERRERUELA MIGUEL
Priority to ES0268335ApriorityCriticalpatent/ES268335A2/en
Publication of ES268335A2publicationCriticalpatent/ES268335A2/en
Improvements introduced in the object of the main patent No. 249,876, by: "New method and machine for manufacturing cold tubes", welded by means of traction organs, provided with guide rollers; a drawing die of the tube, an apparatus for welding the longitudinal seam, and a calibrating matrix for guiding and supporting the welded tube, characterized by taking advantage of preformed tubes according to methods and on any machines, and of dragging them through the machine by means of organs of any type. (Machine-translation by Google Translate, not legally binding)
ES0268335A1961-06-171961-06-17New method and machine for the manufacture of cold pipes (Machine-translation by Google Translate, not legally binding)
ExpiredES268335A2
(en)
Procedure and centering and welding machine of two-tube extreme parts intended to be united by welding (Machine-translation by Google Translate, not legally binding)
Procedure for manufacturing matrices to stretch in cold steels of diameter over 50 millimeters (Machine-translation by Google Translate, not legally binding)
Procedure and apparatus for elaborating rolled plastic tubes with wire armours arranged in helicoidal line in the sewing (Machine-translation by Google Translate, not legally binding)
A procedure for the production of pipes of plastic material of diameter and constant thickness (Machine-translation by Google Translate, not legally binding)