Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Chamber enclosing work during bonding and/or assembly
Patent
1976-10-20
1978-08-08
Klein, David
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Chamber enclosing work during bonding and/or assembly
156 48, 156433, H01B 1330
Patent
active
041054857
ABSTRACT:
Apparatus for forming the stranded conductor portion of a fully-filled electric cable in which the components of the strand in side-by-side relation are fed through an inlet die at one end of a chamber in which a filling medium at a temperature at least 5.degree. C. above the dropping point temperature of the medium and under a pressure above atmospheric pressure is circulated in a direction opposite to the conductor feed direction. In the chamber, the components, preferably groups of conductors, are spread apart by a perforated disc through which they pass and are then twisted together at an outlet die at the opposite end of the chamber to form a strand with a coating of the medium and with the medium filling the spaces between components. From the outlet die the strand passes directly into a bath of the medium in a temperature controlled tank at atmospheric pressure but which maintains the medium at least 5.degree. C. above its dropping point temperature. From the tank, the strand is fed through a water cooled sizing tube which cools the medium below its dropping point temperature and shapes and smooths the medium on the exterior of the strand.
REFERENCES:
patent: 3811406 (1974-05-01), Tomlinson
patent: 3876487 (1975-04-01), Garrett et al.
patent: 3889455 (1975-06-01), Portinari et al.
patent: 3972304 (1976-08-01), Boucher
Lavezzari Piero
Portinari Antonio
Industrie Pirelli Societa per Azioni
Klein David
Thrower William H.
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