Coating apparatus – With indicating – testing – inspecting – or measuring means
Patent
1986-01-13
1987-03-17
Bueker, Richard
Coating apparatus
With indicating, testing, inspecting, or measuring means
118405, 118420, 427 10, 427163, 4274347, B05C 1100
Patent
active
046498567
ABSTRACT:
In providing a dried insulation layer upon conductor, a covering fluid layer is initially provided by apparatus in which the layer is formed from composite material comprising magnetically permeable particles homogeneously mixed with a fluid carrier. The fluid layer is formed by passing the conductor through a reservoir of the material and then vertically through a die orifice. The reservoir of fluid applies pressure at the die orifice and this pressure is adjustable to vary the rate at which the material passes through the orifice and thus varies the diameter. This pressure is controllable by adjusting the height of the reservoir above a die orifice or by adjusting gas pressure acting downwardly upon the material. The diameter of the layer is advantageously monitored after it is dried and variation in monitored diameter from that desired effects a change in pressure to alter the diameter towards that desired. The diameter of the layer may, however, be monitored with the layer in fluid form.
REFERENCES:
patent: 4246299 (1981-01-01), Ohls
patent: 4370355 (1983-01-01), Niesse
patent: 4439467 (1984-03-01), Kassahun
patent: 4480898 (1984-11-01), Taylor
patent: 4533570 (1985-08-01), Iyengar
Manders Steven D.
Shannon Michael A.
Austin R. J.
Bueker Richard
Northern Telecom Limited
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