Patent ID: 8731353

Claim:
A method for producing a headline sonar cable ( 20 , 120 ) having a high breaking-strength and lighter weight in water than a conventional headline sonar cable having a strength member formed exclusively of steel wire, the method for producing the headline sonar cable ( 20 , 120 ) comprising steps of: a. providing a conductor ( 22 , 122 ) that is formed so as to be capable of undergoing permanent elongation and that also is adapted for at least data signal transmission; b. forming a strength-member jacket layer ( 52 ) of polymeric material around at least a portion of the conductor ( 22 , 122 ) while simultaneously ensuring that the at least a portion of the conductor ( 22 , 122 ) remains elongatable when enclosed within the strength-member jacket layer ( 52 ); and c. stretching the strength-member jacket layer ( 52 ) so as to permanently elongate both the strength member jacket layer ( 52 ) and the at least a portion of the conductor ( 22 , 122 ) while simultaneously not breaking the at least a portion of the conductor.