# US 2014/0150695 A1 · Extruded cross-banded magnesium oxide construction board > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0150695 A1 - Document ID: US20140150695A1 - Status: Published application - Kind: A1 - Application number: 13/917,575 - Filed: 2013-06-13 - Published: 2014-06-05 - Earliest claimed: 2008-09-29 - Assignees: Temple Investments, LLC. - Applicants: Temple Investments, LLC. - Inventors: Kathy Trout - Web page: https://patentgrep.com/patent/US20140150695A1 ## CPC - C04B 28/105: {Magnesium oxide or magnesium carbonate cements} - B28B 3/22: by screw or worm - B28B 5/027: {the moulding surfaces being of the indefinite length type, e.g. belts, and being continuously fed (feeding B28B13/02)} - B28B 11/048: {by spraying or projecting} - B29C 48/07: Flat, e.g. panels - C04B 9/02: Magnesium cements containing chlorides, e.g. Sorel cement - C04B 9/20: Manufacture, e.g. preparing the batches (preheating, burning, calcining or cooling lime stone, magnesite or dolomite C04B2/10) - C04B 28/32: Magnesium oxychloride cements, e.g. Sorel cement - C04B 2111/00129: {Extrudable mixtures} - Y02W 30/91: Use of waste materials as fillers for mortars or concrete - C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE - B28B: SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER (foundry moulding B22C; working stone or stone-like material B28D; shaping of substances in a plastic state, in general B29C; making layered products not composed wholly of these substances B32B) - B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00) - Y02W: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT ## Abstract Embodiments of the invention comprise a method of making a construction board (also known as wallboard) and a device for making same. The resulting construction board is formed by mixing of at least magnesium oxide, magnesium chloride, and a binding agent into a slurry, adding particulized solid material while funneling the slurry, and extruding the slurry comprising the particulized solid material. ## Claims ### Claim 1 A device for making a construction board comprising: a mixing apparatus for preparation of a slurry comprising magnesium oxide, magnesium chloride, and a binding agent; a funnel operatively connected by at least one inlet to said mixing apparatus and comprising at least one inlet configured to receive particulized solid material from a vessel; and an extruding tip operatively connected to said funnel for extruding said slurry comprising said particulized solid material. ### Claim 2 (depends on 1) The device of claim 1, wherein said slurry exits from said extruding tip onto a conveyor belt. ### Claim 3 (depends on 2) The device of claim 2, wherein construction board is formed on said conveyor belt. ### Claim 4 (depends on 3) The device of claim 3, further comprising a second inlet in said funnel configured to receive particulized solid material into at least one side of said construction board. ### Claim 5 (depends on 4) The device of claim 4, wherein said at least one side is an opposing side of said first inlet. ### Claim 6 (depends on 4) The device of claim 4, wherein said construction board comprises cross-banded particulized solid material. ### Claim 7 (depends on 1) The device of claim 1, further comprising a vacuum configured for drying said construction board. ### Claim 8 (depends on 1) The device of claim 1, wherein said particulized solid material in said construction board is located at pre-designated intervals within said construction board. ### Claim 9 (depends on 1) The device of claim 1, wherein said particulized solid material comprises fiber glass particles. ### Claim 10 (depends on 1) The device of claim 1, wherein said particulized solid material is selected from the group consisting of hemp, bamboo, blue stranded grass, corn stalks, and glass beads. ### Claim 11 Construction board made from a slurry; said slurry comprising magnesium oxide, magnesium chloride, and a binding agent; wherein said slurry receives particulized solid material; and said slurry comprising said particulized solid material is extruded to form said construction board. ### Claim 12 (depends on 11) The construction board of claim 11, wherein said slurry comprising said particulized solid material is extruded onto a conveyor belt. ### Claim 13 (depends on 12) The construction board of claim 12, wherein said construction board is formed on said conveyor belt. ### Claim 14 (depends on 13) The construction board of claim 13, wherein said particulized solid material is placed in at least one side of said construction board. ### Claim 15 (depends on 14) The construction board of claim 14, wherein said at least one side is two sides. ### Claim 16 (depends on 14) The construction board of claim 14, wherein said construction board comprises cross-banded particulized solid material. ### Claim 17 (depends on 16) The construction board of claim 16, wherein said construction board is dried, at least in part, with a vacuum. ### Claim 18 (depends on 11) The construction board of claim 11, wherein said particulized solid material in said construction board is located at pre-designated intervals within said construction board. ### Claim 19 (depends on 11) The construction board of claim 11, wherein said particulized solid material comprises fiber glass particles. ### Claim 20 (depends on 11) The construction board of claim 11, wherein said particulized solid material is selected from the group consisting of hemp, bamboo, blue stranded grass, corn stalks, and glass beads.