Adhesive bonding and miscellaneous chemical manufacture – Methods – Making electrical conductors of indefinite length
Patent
1981-09-08
1983-12-06
Dawson, Robert A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Making electrical conductors of indefinite length
57217, 57296, 57362, 156 48, 156 53, 118 44, 118DIG5, 118DIG19, 141250, 174102P, 174116, 174118, 427117, 427120, 427185, 428377, 428378, H01B 1306
Patent
active
044191570
ABSTRACT:
A process and apparatus for filling multi-conductor cables, particularly a telecommunication cable with several insulated wires surrounded by a covering and a sheath, with a mixture of powders which expand with the absorption of moisture. The conductors are fed in spaced relation into the entrance of a casing having an interior, frusto-conical wall which decreases in diameter from its entrance to its exit. The exit is small in diameter compared to the entrance so that the conductors converge as they pass from the entrance to the exit. Intermediate the entrance and the exit, the conductors are subjected to the powders which are caused to follow a helicoidal course by a screw which directs them toward the exit. Due to the shape of the casing wall, the powders are forced toward the conductors.
REFERENCES:
patent: 2988249 (1961-06-01), Wahl
patent: 4002819 (1977-01-01), Woytiuk
patent: 4164245 (1979-08-01), Walling et al.
patent: 4205515 (1980-06-01), Garner
Dawson Robert A.
Industrie Pirelli Societa per Azioni
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