H - Electricity – 01 – B
Patent
H - Electricity
01
B
117/124, 32/25,
H01B 13/06 (2006.01) H01B 7/285 (2006.01) H01B 13/32 (2006.01)
Patent
CA 1059847
Abstract of the Disclosure In order to improve the percent fill of a stranded cable core being filled with waterproofing compound and to provide an improved waterproof seal between the filled core and a subsequently applied metallic sheath, the inter- stitial spaces of the cable core are being filled with waterproofing compound in a semi-fluid state as it passes through a compound-applying or filling chamber into which the compound is introduced under pressure. The cable core is then advanced through a wiping die in a constricted passageway and into another chamber into which similar com- pound is pumped. The compound in the second chamber is at a substantially lower temperature than the compound n the filling chamber and exerts pressure radially on the cable core being filled to form a sheath or coating of the lower temperature compound around the filled core to seal the first compound in the core. The core is there- after passed through a sizing die into a cooling chamber which solidifies the compound in and around the core. The cable core is thus conditioned for the subsequent applica- tion of sheathing materials thereto, for example, core wrapping and/or armor sheathing. -i-
211139
Rake Robert W.
Tingley Albert S.
Walter Thomas A.
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