公开(公告)号：US20240216724A1

公开(公告)日：2024-07-04

申请号：US18395489

申请日：2023-12-23

Applicant: SEMES CO., LTD.

Inventor： Eunsang YOON ,  Chul Jun PARK ,  Min Beom KIM ,  Seungkeun JUN

IPC: A62C2/22 ,  A62C2/24

CPC classification number: A62C2/22 ,  A62C2/24

Abstract: Provided is a fire protection apparatus and fire protection method capable of improving sealability of a sub-shutter device, the fire protection apparatus including a door frame mounted in a vertical passage between an upper floor and a lower floor of a building or in a horizontal passage between a first compartment and a second compartment of the building, a guide rail provided at a side of the door frame to guide a lift to pass through the vertical passage or to guide a carriage to pass through the horizontal passage, a main shutter device mounted on the door frame to open or close a main passage space between the door frame and the guide rail, and a sub-shutter device mounted on the main shutter device to close an internal space of the guide rail in association with the main shutter device when the main shutter device is closed.

公开(公告)号：US20240392622A1

公开(公告)日：2024-11-28

申请号：US18637333

申请日：2024-04-16

Applicant: SEMES CO., LTD.

Inventor： Min Beom KIM ,  Eun Sang YOON ,  Nam Ho CHUNG ,  Doo Hyun BAEK

IPC: E05F15/72 ,  A62C2/20 ,  B66B5/02 ,  E05F15/56 ,  E05F17/00 ,  H01L21/677

Abstract: 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.