Inspection door for visualizing meter, has frame casing and trap-door integrated into single-piece where casing delimits sheath opening to form plan of reception for trap-door

摘要

The door has a frame casing (1) and a trap-door (2) integrated into a single-piece. The casing delimits a sheath opening to form a plan of reception for the trap-door. The trap-door has an internal face made-up of sheath susceptible to be introduced within the casing. The casing delimits the opening such that an external face comes in an exposed manner from the opening of the casing.