{"number":"US12697515B2","kindCode":"B2","documentType":"grant","title":{"original":"Multi layer fire curtain","english":"Multi layer fire curtain"},"abstract":{"original":"A multi-layer rolling fire curtain assembly includes: a multi-layer fire curtain wrappable about a roller and to be deployable between an extended position and an open position, such that a free end of the curtain is movable between a retracted position and an extended position. The fire curtain has a fire resistant inner curtain layer having a first width between first and second lateral edges, and a fire resistant outer curtain layer arranged opposite the inner layer and having first and second scalloped lateral edges varying between the first width and a second width less than the first wid…","english":"A multi-layer rolling fire curtain assembly includes: a multi-layer fire curtain wrappable about a roller and to be deployable between an extended position and an open position, such that a free end of the curtain is movable between a retracted position and an extended position. The fire curtain has a fire resistant inner curtain layer having a first width between first and second lateral edges, and a fire resistant outer curtain layer arranged opposite the inner layer and having first and second scalloped lateral edges varying between the first width and a second width less than the first wid…"},"applicants":["McKeon Rolling Steel Door Co., Inc."],"inventors":["Andrew C. LAMBRIDIS","Ashraf GOMAA"],"filingDate":"2024-07-26","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697515B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697515B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697515B2","ja":"https://downloadpatent.com/ja/patent/US12697515B2"}}