Cable with a sheath made of steel, and a method and apparatus for forming the cable
AssigneeSiemens Aktiengesellschaft
InventorDieter Kunze
Life of this patent
Estimating the term…
Abstract
A metal sheath for surrounding a cable core consists of at least one shell part which is formed from a spring-hard steel strip. The shell part is formed by a method of bending a spring-hard steel strip into a shell having a transverse cross-section of at least a semi-circle so that after release, the shell springs back to the desired diameter for receiving the cable core.
Claims11
A cable comprising a cable core, a sheath made of steel formed into a tube surrounding the cable core, and an outer coating surrounding the sheath, the improvement comprising the sheath consisting of two shell parts formed from spring steel strips.
In a cable having a cable core surrounded by a sheath made of steel and formed into a tube, the improvement comprising the sheath consisting of two shell parts formed from spring steel strips.
Dependencies are inferred from the claim text.