ES435708A1 - Procedimiento y dispositivo para la fabricacion de tubos de material plastico de doble pared, con una pared exterior acanalada en forma anular o bien helicoidal.
- Google Patents
Procedimiento y dispositivo para la fabricacion de tubos de material plastico de doble pared, con una pared exterior acanalada en forma anular o bien helicoidal.
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HGLER
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HGLER
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Priority claimed from DE2413879Aexternal-prioritypatent/DE2413879C3/de
Priority claimed from DE19742413787external-prioritypatent/DE2413787C2/de
Application filed by HGLERfiledCriticalHGLER
Publication of ES435708A1publicationCriticalpatent/ES435708A1/es
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Extrusion Moulding Of Plastics Or The Like
(AREA)
ES435708A1974-03-221975-03-17Procedimiento y dispositivo para la fabricacion de tubos de material plastico de doble pared, con una pared exterior acanalada en forma anular o bien helicoidal.
ExpiredES435708A1
(es)
Procedimiento y dispositivo para la fabricacion de tubos de material plastico de doble pared, con una pared exterior acanalada en forma anular o bien helicoidal.
Procedimiento y dispositivo para la fabricacion de tubos de material plastico de doble pared, con una pared exterior acanalada en forma anular o bien helicoidal.
Procedimento e dispositivo per la fabbricazione di tubi a parete dop pia fatti di materia plastica aven ti parete esterna con nervature ad anelli o ad elica