BURGLAR-RESISTANT ROLLER SHUTTERS Russian patent published in 2024 - IPC E06B11/02 E06B9/15 E06B9/42 

FIELD: construction.

SUBSTANCE: design of burglar-resistant roller shutters and, in particular, can find application in the design of burglar-resistant folding doors that are rolled up like blinds or roller shutters. The burglar-resistant roller shutters include vertical guides, a drum with a drive for winding the fabric consisting of hollow lamellas containing hooks, each of which has a metal insert, while the lamellas have an additional closed rectangular cavity parallel to the plane of the metal insert, inside of which there is a non-metallic insert made of cement-bonded particle board or fire-resistant plasterboard, while the thickness of the additional closed rectangular cavity is 0.8-1.0 of the thickness of the metal insert, and the thickness of the non-metallic insert is 0.7-0.9 of the thickness of the additional closed rectangular cavities.

EFFECT: production of roller shutters with specified burglary-resistant properties.

1 cl, 1 dwg