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US 2024/0167330 A1Published application
Quick-action door
AssigneeFrinova GmbH
InventorWilhelm DÜCK
Life of this patent
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Abstract
A quick-action door includes a flexible door leaf (12; 14) and a rotatable shaft configuration including at least one rotatable shaft (8), which is configured for the winding-on of the door leaf (12; 14). The door leaf (12; 14) is made from a felt material (32; 36). The felt material (32; 36) is provided with a vapor diffusion-proof coating (34) on at least one surface.
Claims20
A quick-action door comprising:
- a flexible door leaf, the door leaf being comprised of a felt material;
- a rotatable shaft configuration for a winding-on of the door leaf;
- and
- a vapor diffusion-proof coating on at least one surface of the felt material.
1 more element
Dependencies are inferred from the claim text.