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

H - Electricity

05

K

347/7

H05K 9/00 (2006.01) H02G 3/22 (2006.01)

Patent

CA 1240386

APPLICANT: AB LYCKEABORGS BRUK TITLE: RADIATION PROTECTIVE DEVICE FOR THE LEAD-THROUGH OF CABLES ABSTRACT OF THE DISCLOSURE 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 packing pieces, said protective device consisting of metal shield plates inserted in their respective packing piece in a plane parallel with the packing piece block and covering, to- gether 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.

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