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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES1980255508UpriorityCriticalpatent/ES255508Y/en
Publication of ES255508UpublicationCriticalpatent/ES255508U/en
Application grantedgrantedCritical
Publication of ES255508YpublicationCriticalpatent/ES255508Y/en
A flexible tube duct comprising a lower tubular space, extending along the length of the duct in the axial direction, this interior space being surrounded by a ring-shaped space the tubular space and the aforementioned ring-shaped space being divided one the other, longitudinally being provided for fluid in the space in the form of which passage makes repeated bends and bends and repeatedly changes direction, providing opening leading from the inner tubular space to the longitudinal passage and additional openings lead from the longitudinal passage to the outside, the flexible tube conduit, it is formed of at least two layers of thin sheet, read layers mentioned being connected between the along their longitudinal edges, the longitudinal passage one of the sheets is obtained, that is, by applying to the sheet of an embossed pattern, (Machine-translation by Google Translate, not legally binding)
ES1980255508U1980-05-131980-05-13
A FLEXIBLE PIPE DUCT.
ExpiredES255508Y
(en)