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.)
Aramberri Hermanos SC
Original Assignee
Aramberri Hermanos SC
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 Aramberri Hermanos SCfiledCriticalAramberri Hermanos SC
Priority to ES203035ApriorityCriticalpatent/ES203035A3/en
Publication of ES203035A3publicationCriticalpatent/ES203035A3/en
Threading device for pipes, characterized by a head that has an opening in its central part where, in inclined planes, two combs slide, carrying on the sides, from outside to inside, holes through which two screws penetrate, the tips of which press the back of the said combs, causing a greater or lesser union thereof; said head carries in its upper and lower part tubes where the handles penetrate. (Machine-translation by Google Translate, not legally binding)
ES203035A1952-04-171952-04-17Tube threading system (Machine-translation by Google Translate, not legally binding)
ExpiredES203035A3
(en)
New apparatus for the obtaining by centrifugation of pipes means applicable to channels of irrigation (Machine-translation by Google Translate, not legally binding)