View window of an enclosure, lip seal for use in this window and housing

摘要

Viewing window of a housing forming a clean or sterile room (3) for sterile and / or aseptic treatment of packaging materials, with an installation frame forming an installation frame opening, with a pane closing the installation frame opening, with at least one circumferential sealing the transition between the pane and the installation frame Washer seal and with means for holding the washer to the mounting frame.