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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ECHEVARRIETA Y URIARTE RAMON DE
Original Assignee
ECHEVARRIETA Y URIARTE RAMON DE
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 ECHEVARRIETA Y URIARTE RAMON DEfiledCriticalECHEVARRIETA Y URIARTE RAMON DE
Priority to ES0208986ApriorityCriticalpatent/ES208986A3/en
Publication of ES208986A3publicationCriticalpatent/ES208986A3/en
Device for the manufacture of tubes for heat exchangers characterized in that it is constituted by a support in which the tube itself is mounted so that it can be rotated longitudinally and on either side of it two other supports suitable for presenting a wheel that makes a helical channel in said tube and another wheel that places the strip or strip that constitutes the fin of the tube and produces in one of the flanks of the channel the knurling that holds the inner border of the tape. (Machine-translation by Google Translate, not legally binding)
ES0208986A1953-04-271953-04-27A device for the manufacture of tubes for heat changers (Machine-translation by Google Translate, not legally binding)
ExpiredES208986A3
(en)
Interchanging apparatus between gases, applicable in refrigeration systems for refrigerators (Machine-translation by Google Translate, not legally binding)