Electrical cable with self-repairing protection

  • US 6,664,476 B2
  • Filed: 10/09/2001
  • Issued: 12/16/2003
  • Est. Priority Date: 03/04/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A cable, comprising from interior to exterior:

  • a conductor;

    an inner layer of a self-repairing material, the material at a working temperature of the cable being dielectric, having sufficient cohesiveness to spontaneously re-unify after being ruptured by an external force, being capable of migrating with a controlled flowability towards a void in an adjacent layer, and having substantial physico-chemical inertness with respect to other materials in the cable; and

    an outer coating layer.

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