公开(公告)号：US3607487A

公开(公告)日：1971-09-21

申请号：US3607487D

申请日：1968-12-02

Applicant: BELL TELEPHONE LABOR INC

Inventor： BISKEBORN MERLE C ,  MCCANN JOSEPH P ,  SABIA RAFFAELE A

IPC: H01B7/285 ,  H01B11/00 ,  H01B13/32 ,  H01B13/06 ,  H01B13/22

CPC classification number: H01B11/00 ,  H01B7/285 ,  H01B13/328

Abstract: An electrical communications cable having a plurality of insulated conductors is made waterproof by filling the intersticial spaces with a heated mixture of 85 percent petroleum jelly and 15 percent low-density polyethylene and cooling the mixture.