Grid walled frame for use in alarm fence, has laminations that are placed in grooves in direction parallel to vertical rods, and made from material like glass, metal, wood and plastic, where each lamination has electrical conductor

摘要

The frame has vertical rods (1) intersecting with horizontal rods (2) that are arranged parallel to one another in a plane for the formation of respective grooves. Laminations (5) are placed in the grooves in a direction parallel to the rods (1). Each lamination has an electrical conductor (12) connected with a safety circuit (13) for triggering an alarm. The laminations are made from material like glass, metal, wood and plastic.