Patent ID: 6161873
Filing Date: 2000-12-19
Classification: E04G,F16L

Abstract:
A masonry lead-in fixture, comprising a housing (2; 102) including an axially extending through-bore (10; 110); a radially protruding attachment flange (4; 104) provided at least at one end of the housing (2, 102), and a mass (11, 111) intimescible in case of a fire, the mass (11; 111) limiting the bore (10, 110) at least partially and closing the bore (10, 110) upon being intumesced; and a substantially disc-shaped partition (12; 112) located in the housing (2; 102), elastically extending over an entire inner diameter of the bore (10; 110), and having a predetermined breaking area which is broken through upon an insertion element (T) being pushed therethrough,wherein the partition (12; 112) comprises a film which is weakened in a center region (13; 113) thereof and has, outside of the weakened region (13, 113), a thickness which amounts to from about 1 mm to about 2.5 mm.