Lead-through for electric cables and the like

Details Lead-through for electric cables and the like Lead-through for electric cables and the like

1975-06-24

1976-08-24

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

Through wall or plate

248 56, H02G 322, F16L 502

Patent

active

039768252

ABSTRACT:
The invention comprises a lead-through for electric cables and the like which is fire-proof, gas-proof, and liquid-proof at a predetermined temperature. The cables extend through an opening in a ceiling, floor and/or wall. Guide strips encircle at least one conductor or cable; and filling members, when required, are placed between the sides of the opening and guide strips. The filling members and the strips comprise a material having a relatively high coefficient of cubic expansion. A support member for the strips is arranged to abut a support edge formed in a frame structure. The support member affords a reinforcement against high pressure acting on the lead-through.

REFERENCES:
patent: 2227528 (1941-01-01), Adler
patent: 2732226 (1956-01-01), Brattberg
patent: 2813692 (1957-11-01), Bremer et al.
patent: 3282544 (1966-11-01), Brattberg

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