F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 5/02 (2006.01) E04B 1/66 (2006.01) F16L 5/04 (2006.01)
Patent
CA 2399590
A device for the fireproof leading-through of lines (3a), cables, pipes and the like through openings in Halls, with a frame-shaped housing for a number of cuboidal packing pieces, which comprise two sealing elements (11) with cross- sectionally half-cylindrical inserts (21) inserted in them, the inserts (21) being formed on their inner side with at least approximately half-annular ribs (25) and on their outer side with half-annular ribs (23) and with half-annular grooves (22) located between the ribs (23), and the sealing elements (11) being formed on their inner side with likewise at least approximately half-annular ribs (12) and grooves (13) which are equal and opposite to the half-annular grooves (22) and ribs (23) provided on the outer side of the inserts (21). In this device, the inwardly protruding half-annular ribs (25) provided on the inner side of the inserts (21) are located radially inside the half-annular grooves (22) located on the outer side of the inserts (21) and the ribs (25) are deformable, whereby they penetrate into the grooves (22) located outside lines (3a), pipes, cables and the like of different diameters inserted into the inserts (21) to effect adaptation to them (Fig. 10a).
Bst Brandschutztechnik Dopfl Gesellschaft Mbh
Ridout & Maybee Llp
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