A fire rated door includes a core, a first decorative panel and a second decorative panel. The core includes: (a) a fire resistant center panel having a bottom, a top, a first side, a second side, a first end and a second end, wherein the fire resistant center panel is made of a first fire resistant
A fire rated door includes a core, a first decorative panel and a second decorative panel. The core includes: (a) a fire resistant center panel having a bottom, a top, a first side, a second side, a first end and a second end, wherein the fire resistant center panel is made of a first fire resistant material, and (b) an extruded fire resistant border attached to the first side, the second side, the first end and the second end of the fire resistant center panel, wherein the extruded fire resistant border is made of a second fire resistant material having a higher density than the first fire resistant material. The first decorative panel is attached to the top of the fire resistant center panel and the extruded fire resistant border. The second decorative panel is attached to the bottom of the fire resistant center panel and the extruded fire resistant border.
대표청구항▼
1. A method of manufacturing a fire rated door comprising the steps of: providing a gypsum-based fire resistant core comprising the steps of: providing a gypsum-based fire resistant center panel having a bottom, a top, a first side, a second side, a first end and a second end, wherein the gypsum-bas
1. A method of manufacturing a fire rated door comprising the steps of: providing a gypsum-based fire resistant core comprising the steps of: providing a gypsum-based fire resistant center panel having a bottom, a top, a first side, a second side, a first end and a second end, wherein the gypsum-based fire resistant center panel is made of a first gypsum-based fire resistant material,extruding a second gypsum-based fire resistant material to form a first gypsum-based fire resistant stile, a gypsum-based fire resistant second stile, a first gypsum-based fire resistant rail and a second gypsum-based fire resistant rail of an extruded fire resistant border, wherein the second gypsum-based fire resistant material has a higher density than the first gypsum-based fire resistant material, and the first gypsum-based fire resistant material and the second gypsum-based fire resistant material are composed of water, gypsum, a cellulose or fiber material, glass, a ceramic material, and one or more binding agents,attaching the first gypsum-based fire resistant stile of the extruded fire resistant border to the first side of the gypsum-based fire resistant center panel;attaching the second gypsum-based fire resistant stile of the extruded fire resistant border to the second side of the gypsum-based fire resistant center panel,attaching the first gypsum-based fire resistant rail of the extruded fire resistant border to the first end of the gypsum-based fire resistant center panel and the first gypsum-based fire resistant stile and the second gypsum-based fire resistant stile of the extruded fire resistant border, andattaching the second gypsum-based fire resistant rail of the extruded fire resistant border to the second end of the gypsum-based fire resistant center panel and the first gypsum-based fire resistant stile and the second gypsum-based fire resistant stile of the extruded fire resistant border;attaching a first decorative panel to a top of the gypsum-based fire resistant core; andattaching a second decorative panel to a bottom of the gypsum-based fire resistant core. 2. The method as recited in claim 1, further comprising the steps of: forming a notch in the first side of the gypsum-based fire resistant center panel; andinserting a gypsum-based fire resistant lock block within the notch and attaching the gypsum-based fire resistant lock block to the gypsum-based fire resistant center panel and the extruded fire resistant border, wherein the fire resistant lock block is made of the second gypsum-based fire resistant material. 3. The method as recited in claim 1, wherein the fire resistant center panel comprises: a first fire resistant center panel disposed between the first side and the second side proximate to the first end, wherein the first fire resistant center panel is made of the first fire resistant material;a second fire resistant center panel disposed between the first side and the second side proximate to the second end, wherein the second fire resistant center panel is made of the first fire resistant material; anda fire resistant insert disposed between and attached to the first fire resistant center panel and the second fire resistant center panel, and extending between and attached to the extruded fire resistant border at the first side and the second side, wherein the fire resistant material is made of the second fire resistant material. 4. The method as recited in claim 1, further comprising the step of forming a set of male-female connectors in the extruded fire resistant border and the gypsum-based fire resistant center panel. 5. The method as recited in claim 4, wherein the male-female connectors are triangular-shaped, curved-shaped, rectangular-shaped, angled, tongue-and-groove, or a combination thereof. 6. The method as recited in claim 1, further comprising the steps of: extruding or molding the first gypsum-based fire resistant material to form the gypsum-based fire resistant center panel. 7. The method as recited in claim 1, further comprising the steps of: extruding or molding the first gypsum-based fire resistant material to form the gypsum-based fire resistant center panel; andthe step of extruding the second gypsum-based fire resistant material comprises extruding the second gypsum-based fire resistant material to form a sheet, and gang ripping the sheet to form one or more of the first gypsum-based fire resistant stile, the second gypsum-based fire resistant stile, the first gypsum-based fire resistant rail or the second gypsum-based fire resistant rail of the extruded fire resistant border. 8. The method as recited in claim 1, further comprising the step of attaching a top panel to the top of the fire resistant center panel and the extruded fire resistant border, or attaching a bottom panel to the bottom of the fire resistant center panel, or attaching both the top panel and the bottom panel. 9. The method as recited in claim 8, wherein the top panel or the bottom panel comprise a lignocellulosic substrate, a wood, a wood composite, a medium density fiberboard, a high density fiberboard, a particleboard, a masonite, a fiberglass, a metal, a plastic, one or more protective layers or a combination thereof. 10. The method as recited in claim 9, wherein the one or more protective layers comprise a fire resistant material, a blast resistant material, a ballistic resistant material, a shielding material, a chemical resistant material, a biohazard resistant material, a radiation resistant material, a dampening material, a grounding material, insulating material or a combination thereof. 11. The method as recited in claim 9, wherein the one or more protective layers comprise one or more gypsum boards, one or more metallic sheets, one or more lead sheets, one or more Kevlar sheets, one or more ceramic sheets, a layer of urethane foam, a layer of graphite, a wire mesh or a combination thereof. 12. The method as recited in claim 1, further comprising the step of coating the fire resistant center panel and the extruded fire resistant border with an intumescent or fire resistant material. 13. The method as recited in claim 1, wherein the method is performed as part of a continuous manufacturing process. 14. The method as recited in claim 1, further comprising the step of forming a fire rated door by attaching a first decorative panel to a top of the core and attaching a second decorative panel to a bottom of the core. 15. The method as recited in claim 1, wherein the fire resistant center panel comprises: a center panel made of the first fire resistant material or the second fire resistant material;a top insulating panel attached to the top of the center panel; anda bottom insulating panel attached to the bottom of the center panel. 16. The method as recited in claim 15, wherein the top insulating panel and the bottom insulating panel are made of a corrugated filler having a plurality of voids filled with an acoustical insulating material.
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