Break pane of plastics material for an alarm call point device, alarm call point device with break pane and method for producing the break pane

摘要

The disk (3) has partial regions, door regions and reference separation lines, which sectionally run between partial and door regions, where the disk is made of plastic. The reference separation lines are designed only in an irreversible separation manner such that the regions are separated from each other during beginning of preset force effect. A snap-fit (5) is provided for fixing the disk in an alarm notification device. Independent claims are also included for the following: (1) an alarm notification device with a housing (2) a method for manufacturing the impact disk.