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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0061561UpriorityCriticalpatent/ES61561U/en
Publication of ES61561UpublicationCriticalpatent/ES61561U/en
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Rigid Pipes And Flexible Pipes
(AREA)
Abstract
Sheet metal tube with helical seam, characterized in that it is constituted by a metal strip wound in helix and whose edges are superposed and crimped together in a continuous seam folded helical course. (Machine-translation by Google Translate, not legally binding)
ES0061561U1957-08-271957-08-27A metal sheet tube with helical seams (Machine-translation by Google Translate, not legally binding)
PendingES61561U
(en)