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Electric cables and method of making the same

  • US 3,168,617 A
  • Filed: 08/27/1962
  • Issued: 02/02/1965
  • Est. Priority Date: 08/27/1962
  • Status: Expired due to Term
First Claim
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1. A METHOD OF MAKING A FLEXIBLE, RIBBON-LIKE, MULTIPLECONDUCTOR, ELECTRIC CALBE OF INDETERMINATE LENGTH AND HAVING A PLURALITY OF PARALLEL, ACCURATELY SPACED, RIBBON-LIKE, METALLIC CONDUCTORS ENCLOSED IN A FLEXIBLE, PLASTIC ENVELOPE, SAID METHOD COMPRISING:

  • (A) LEADING SAID CONDUCTORS THROUGH A LONGITUDINAL PATH SO THAT SAID CONDUCTORS ARE COPLANAR, PARALLEL, AND SPACED FROM EACH OTHER;

    (B) APPLYING LONGITUDINAL TENSION IN EXCESS OF YIELD STRENGTH TO SAID CONDUCTORS FOR ELONGATING SAID CONDUCTORS TO STRETCH-STRAIGHTEN SAID CONDUCTORS;

    (C) GUIDING SAID STRETCH-STRAIGHTENED CONDUCTORS IN AN ACCURATELY CONTROLLED, PREDETERMINED, COPLANAR, PARALLEL, SPACED RELATION RELATIVE TO EACH OTHER;

    (D) ENCLOSING SAID STRETCH-STRAIGHTENED, ACCURATELY SPACED CONDUCTORS BETWEEN CONFRONTING SURFACE PORTIONS OF A RIBBON-LIKE, FLEXIBLE, ELECTRICAL INSULATING, PLASTIC ENVELOPE;

    (E) SECURING SAID CONFRONTING SURFACE PORTIONS TO EACH OTHER AND TO SAID CONDUCTORS TO FORM SAID CABLE;

    AND (F) ALL OF SUCH STEPS BEING TAKEN IN CONTINUOUS ORDER.

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