Radiation protective device for the lead-through of cables

Details Radiation protective device for the lead-through of cables Radiation protective device for the lead-through of cables

1985-03-22

1987-06-30

Grimley, Arthur T.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

174 48, 174 65R, H05K 900

Patent

active

046772537

ABSTRACT:
A radiation protective device for a fire-protecting lead-through intended to accommodate electric, metal-encased cables passing through a metal wall, said lead-through comprising a frame having its opening filled with packing pieces, stay strips and an arrangement for compressing the block formed of the packing pieces, the protective device including metal shield plates inserted in their respective packing piece in a plane parallel with the packing piece block and covering, together with the through-passed cables, the entire cross-sectional area of each packing piece and forming upon compression of the block a continuous metal shield which is in electrically conducting contact with the frame, the stay strips and the cable casings.

REFERENCES:
patent: 3282544 (1966-11-01), Brattberg
patent: 3830954 (1974-08-01), Caudill
patent: 4498546 (1985-02-01), Peterson

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