Title: Ropeform goods with sheathing from multi-number wires
Application Number: 85101743 Application Date: 1985.04.01
Publication Number: 1008142 Publication Date: 1987.01.31
Approval Pub. Date: Granted Pub. Date: 1991.06.19
International Classifi-cation: B21F3/04,F16L11/00,H01B7/04,H01B13/26
Applicant(s) Name: Kabelmetal Electro GmbH Address:
Inventor(s) Name: Friedrick Schatz
Attorney & Agent: WANG ZHONGZHONG
Abstract:
     On said ropeform device, such as, corrugated pipe, electric cable or conductor, surface of which, one or more metal sheathings of wound wires are laid-on. Said metal wires are wound on the core with a larger space and fastened on it by another outer sheathing. Said metal wires are wound on said device with alternative directions. The second outer layer is wound with shorter space by metal wires, which is prestressed and wound over the first sheathing.
Time: 25