Ronald J Keilly

US Patent:

44155182, Nov 15, 1983

Filed:

Dec 21, 1981

Appl. No.:

6/332538

Inventors:

Gerald M. Pochurek - W. Deal NJ
Ronald J. Keilly - Oradell NJ

International Classification:

B29D 702

US Classification:

264166

Abstract:

Process for continuously curing an elastomeric jacket on a cable, comprising continuously passing a cable having an uncured elastomeric jacket thereon, encased within an outer temporary mold of heat conductive metallic material, e. g. metallic lead, of sufficient encasing layer thickness for protectively confining and supporting therewithin the elastomeric jacket and cable thereat, through a vulcanizing zone maintained at substantially atmospheric pressure and provided with a heat transfer bath, e. g. a fusible mixture including sodium nitrate, sodium nitrite, potassium nitrate and potassium nitrite, while applying the bath to the cable at a selective bath temperature, e. g. about 400. degree. -500. degree. F. , sufficient for vulcanizing the mold encased elastomeric jacket in situ during passage of the cable through the zone whereby to vulcanize the jacket in situ substantially free from stress, damage or disturbance, and with subsequent cooling thereof prior to removal of the mold therefrom.