Provided are a fireproof door apparatus, a fireproof structure, and a substrate treating facility.The fireproof door apparatus includes a fireproof shutter opening and closing a passage connecting two spaces, a release unit installed on one side of the passage and in the fireproof shutter and fixing the fireproof shutter in an open state using magnetic force or releasing the fireproof shutter that is fixed, and a gas spring connected to the fireproof shutter and moving the fireproof shutter toward the passage by heat of the fire to close the passage.
FIREPROOF DOOR APPARATUS, FIREPROOF STRUCTURE AND SUBSTRATE TREATING FACILITY
2024-11-28
Patent
Electronic Resource
English
A60 fireproof door for marine ship and application of A60 fireproof door
European Patent Office | 2024
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