Lintel reinforcement for window and door frames has connector elements connected to stretcher layer through their lower arms of an L-shaped section underneath horizontal reinforcement

摘要

The connector elements (7) which are connected to the stretcher layer (6) are L-shaped and fitted by their lower arms (8) underneath the horizontal reinforcement (2) which has apertures (9) through which the connectors can be positively connected to the horizontal reinforcement. The upper arms of the connectors have undercut sections. The apertures comprise two or more rows of holes set side by side.