SELF-COILING WIRE CABLE AND METHOD OF FORMING SAME

A locking cable which is constructed of a plurality of separate strands with each strand containing a plurality of separate wires, each wire being between 0.005 and 0.012 of an inch in diameter. One side of the cable along its entire longitudinal length is stretched so that the material along that s...

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Bibliographic Details
Main Author SMITH G,US
Format Patent
LanguageEnglish
Published 04.09.1973
Subjects
ACCESSORIES THEREFOR
CABLES OTHER THAN ELECTRIC
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROPES
ROPES OR CABLES IN GENERAL
SAFES
TEXTILES
TRANSPORTING
WINDOW OR DOOR FITTINGS
WORKING OR PROCESSING OF METAL WIRE
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Summary:A locking cable which is constructed of a plurality of separate strands with each strand containing a plurality of separate wires, each wire being between 0.005 and 0.012 of an inch in diameter. One side of the cable along its entire longitudinal length is stretched so that the material along that side is caused to exceed its yield point and be permanently deformed. As a result, the cable assumes a natural helical coiled configuration. A plastic cover may be applied to the cable in a close fitting relationship to help prevent the cable from becoming untwisted. The method of making the helical coiled cable comprises preforming and twisting of a plurality of separate wires together in a clockwise direction to form a strand, preforming and twisting a plurality of separate strands together in a counterclockwise direction to form the cable, and stretching one side of the cable along its entire length. An apparatus to perform the method of this invention comprises a pair of roller assemblies through which the cable is conducted with the cable being passed about a pin with an angular displacement exceeding 190 DEG . The cable is passed through the apparatus in an extremely taut manner which causes one side of the cable to be permanently deformed.
Bibliography:Application Number: USD3756008