Method of manufacturing a shutter link

摘要

PCT No. PCT/EP80/00066 Sec. 371 Date Oct. 2, 1981 Sec. 102(e) Date Oct. 2, 1981 PCT Filed Jul. 30, 1980.A shutter link (1) for a multi-link overhead shutter or roller blind comprises two sheet metal sheets (7, 8) formed with a cavity (3) between them. The cavity is filled with a heat insulative compound (4) and hinge formations (5, 6) are provided along the longitudinal side of the sheets. Slots (9) are formed along the length of each shutter length on one wide side thereof. The slots are bridged by narrow webs (9) defined by slot interruptions and flanges are provided along the slots are provided on their side facing the cavity with notches (15) formed adjacent to the bending lines and extending parallel to the slots.