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US 4,149,567 AGranted
Multi-core hydraulic duct
AssigneeGewerkschaft Eisenhutte Westfalia
InventorWalter Weirich
Life of this patent
Estimating the term…
Abstract
A multi-core duct is constituted by a plurality of resilient conduits bunched together within a protective sleeve. Each of the conduits is formed from a high-strength synthetic plastics material and the protective sleeve is made of a flame-resistant synthetic plastics material.
Claims5
A multi-core duct, comprising:
- a plurality of resilient conduits bunched together, each of the conduits being formed from a high-strength synthetic plastics material, a protective sleeve made of a flame-resistant synthetic plastics material surrounding the bunched conduits, a rigid inner support sleeve and an outer sleeve clamping each end of the protective sleeve, and a frustoconical extension provided on the outer sleeve, the free end of said extension having a flange for the connection of a rotatable coupling piece.
Dependencies are inferred from the claim text.