Coating processes – Electrical product produced – Wire conductor
Patent
1983-04-22
1984-06-19
Lusignan, Michael R.
Coating processes
Electrical product produced
Wire conductor
427120, 427185, 427195, 118420, 118429, 118DIG5, B05D 124, H01B 330
Patent
active
044553269
ABSTRACT:
Method and apparatus for filling a cable core unit with powder in a fluidized bed in which the unit is vibrated laterally by introducing energy pulsations into the bed, the pulses being transmitted as successive waves through the powder particles to transfer the energy to the unit and set up the vibration. In preferred constructions, the pulsations are set up by a reciprocating piston means disposed beneath the upper surface of the powder. There may be two or more piston means spaced in the feed path direction for the unit or a single piston extending.
REFERENCES:
patent: 3097958 (1963-07-01), Morris
patent: 3254625 (1966-06-01), Armstrong
patent: 3639152 (1972-02-01), Bodine
patent: 3817211 (1974-06-01), Brown
patent: 3958066 (1976-05-01), Imamura et al.
patent: 4122212 (1978-10-01), Walling et al.
patent: 4235024 (1980-11-01), Chauvin
patent: 4273597 (1981-06-01), Garner et al.
Austin R. J.
Bueker Richard
Lusignan Michael R.
Northern Telecom Limited
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