Composite safety window of glass and/or plastic layers includes a moisture-tight film cover and a circumferential edge barrier layer to give maintenance of structure and functioning at extreme temperatures

摘要

A composite safety window of the type comprising several glass and/or plastic layers bonded by transparent films or resin and having a plastic concluding layer (3) directed to the interior and also a facially-surrounding frame as well as a jointing compound between the face and the frame is such that: (i) the face of a composite (1) is covered in moisture-impermeable manner with a film (4) and/or cover layer; and (ii) a barrier layer (2) is arranged over both the circumferential edge zone of layer (3) and the adjacent zone of the uncovered or masked facial side.