Metal working – Method of mechanical manufacture – Electrical device making
Patent
1975-03-25
1976-06-15
Lanham, C.W.
Metal working
Method of mechanical manufacture
Electrical device making
29203D, 156180, 156431, H01P 1100
Patent
active
039627810
ABSTRACT:
A rigid electromagnetic waveguide is manufactured in a continuous series of operations by causing an elongate mandrel, supported vertically, to travel along a predetermined path successively to a wire-winding station where a layer of closely wound helical turns of wire is applied; a station or stations where a layer or layers of resin-impregnated reinforcing elements to form a reinforcing wall is or are applied; a curing station where the resin is cured; and an extraction station where the waveguide is removed from the mandrel. Between the last of the stations where a layer of the reinforcing wall is formed and the curing station, the mandrel may pass through stations where a moisture barrier and an outer protective covering are applied. Risk of change in tension in the wires or reinforcing elements about the neutral axis of the waveguide is reduced.
REFERENCES:
patent: 3012092 (1961-12-01), Whearley et al.
patent: 3422215 (1969-01-01), Humes
patent: 3635255 (1972-01-01), Kramer
patent: 3769697 (1973-11-01), Priaroggia et al.
patent: 3779846 (1973-12-01), Kleykamp et al.
patent: 3845549 (1974-11-01), Ferrentino
patent: 3861352 (1975-01-01), Hammer
Greene David James
Moore Alexander Joseph
Taylor David Alexander
Bicc Limited
Duzan James R.
Lanham C.W.
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