Roller-shutter box body for roller shutter device, has composite structure comprising one part forming external wall and another part comprising anchoring points and forming inner wall, where portion of latter part is injection molded

摘要

The body (1) has a u-shaped cross section whose one arm corresponds to a longitudinal wall (3) forming an internal side (3') of a roller-shutter box (2). Another arm of the cross section corresponds to another longitudinal wall (4) forming an external side (4') of the box. A composite structure comprises a part (5) forming the external wall and another part (5') forming the inner wall. The part (5') is made of strongly insulated plastic material of cellular or foamed type. The part (5') comprises a set of anchoring points (10), where a portion of the part (5') is casted or injection molded.