# US 2015/0143774 A1 · Use of conductive fibers to dissipate static electrical charges in unbonded loosefill insulation material > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2015/0143774 A1 - Document ID: US20150143774A1 - Status: Published application - Kind: A1 - Application number: 14/090,489 - Filed: 2013-11-26 - Published: 2015-05-28 - Earliest claimed: 2013-11-26 - Applicants: Owens Corning Intellectual Capital, LLC - Inventors: William E. Downey; Michael E. Evans - Web page: https://patentgrep.com/patent/US20150143774A1 ## CPC - E04B 1/7604: {fillings for cavity walls} - D04H 1/02: Cotton wool; Wadding - E04B 2001/742: {Use of special materials; Materials having special structures or shape} - E04F 21/085: {for filling building cavity walls with insulating materials} - Y10T 428/298: Physical dimension - E04B: GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS (border constructions of opening in walls, floors or ceilings E06B1/00; {electromagnetic shielding H05K9/0001}) - D04H: MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL (weaving D03; knitting D04B; braiding D04C; net-making D04G; sewing D05B; tufting D05C; finishing non-woven fabrics D06); FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING {; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION}(non-woven fabrics having an intermediate or external layer of a different kind, e.g. of woven fabric, B32B) - E04F: FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS (windows, doors E06B) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract An unbonded loosefill insulation material including a multiplicity of discrete, individual tufts formed from a plurality of insulative fibers and a plurality of conductive fibers mixed with the insulative fibers is provided. The conductive fibers are configured to dissipate static electrical charges. ## Claims ### Claim 1 An unbonded loosefill insulation material comprising: a multiplicity of discrete, individual tufts formed from a plurality of insulative fibers; and a plurality of conductive fibers mixed with the insulative fibers; wherein the conductive fibers are configured to dissipate static electrical charges. ### Claim 2 (depends on 1) The unbonded loosefill insulation material of claim 1, wherein the conductive fibers are mixed with the insulative fibers in a quantity range of from about 0.1 pounds of conductive fibers to 100 pounds of insulative fibers to about 0.5 pounds of conductive fibers to 100 pounds of insulative fibers. ### Claim 3 (depends on 1) The unbonded loosefill insulation material of claim 1, wherein the conductive fibers have an electrically conductive core positioned within a protective sheath. ### Claim 4 (depends on 1) The unbonded loosefill insulation material of claim 1, wherein a material forming the sheath includes an electrically conductive material. ### Claim 5 (depends on 4) The unbonded loosefill insulation material of claim 4, wherein the electrically conductive material in the sheath is titanium dioxide. ### Claim 6 (depends on 1) The unbonded loosefill insulation material of claim 1, wherein the insulative fibers have a length and the conductive fibers have a length, and wherein the length of the insulative fibers and the conductive fibers is the same. ### Claim 7 (depends on 6) The unbonded loosefill insulation material of claim 6, wherein the lengths of the insulative fibers and the conductive fibers are in a range of from about 0.25 inches to about 1.5 inches. ### Claim 8 (depends on 1) The unbonded loosefill insulation material of claim 1, wherein the insulative fibers have a coating of anti-static material. ### Claim 9 (depends on 3) The unbonded loosefill insulation material of claim 3, wherein a material forming the core is encapsulated into polymer-based mixtures such that the material forming the core is not available for inhalation or respiration. ### Claim 10 (depends on 1) The unbonded loosefill insulation material of claim 1, wherein the insulative fibers are coated with a coloring material. ### Claim 11 A method of manufacturing unbonded loosefill insulation material configured for distribution in a blowing insulation machine, the method comprising the steps of: forming tufts of fibrous insulation materials; and mixing conductive fibers with the fibrous insulation materials; wherein the conductive fibers are configured to dissipate static electrical charges. ### Claim 12 (depends on 11) The method of claim 11, wherein the conductive fibers have an electrically conductive core positioned within a protective sheath. ### Claim 13 (depends on 12) The method of claim 12, wherein a material forming the sheath includes an electrically conductive material. ### Claim 14 (depends on 13) The method of claim 13, wherein the electrically conductive material in the sheath is titanium dioxide. ### Claim 15 (depends on 12) The method of claim 12, wherein a material forming the core is encapsulated into polymer-based mixtures such that the material forming the core is not available for inhalation or respiration. ### Claim 16 A method of insulating a building cavity using a blowing insulation machine, the method including the steps of: receiving and conditioning loosefill insulation material from a package of compressed loosefill insulation material, the loosefill insulation material having a mixture of fibrous insulation material and conductive fibers; and distributing the conditioned loosefill insulation material into the building cavity using the blowing insulation machine; wherein the conductive fibers are configured to dissipate static electrical charges. ### Claim 17 (depends on 16) The method of claim 16, wherein the conductive fibers have an electrically conductive core positioned within a protective sheath. ### Claim 18 (depends on 17) The method of claim 17, wherein a material forming the sheath includes an electrically conductive material. ### Claim 19 (depends on 18) The method of claim 18, wherein the electrically conductive material in the sheath is titanium dioxide. ### Claim 20 (depends on 17) The method of claim 17, wherein a material forming the core is encapsulated into polymer-based mixtures such that the material forming the core is not available for inhalation or respiration. ### Claim 21 A method of insulating a building cavity using a blowing insulation machine, the method including the steps of: using the blowing insulation machine to condition and distribute fibrous loosefill insulation material into the building cavity; and mixing conductive fibers with the fibrous loosefill insulation material; wherein the conductive fibers are configured to dissipate static electrical charges. ### Claim 22 (depends on 21) The method of claim 21, wherein the conductive fibers are mixed with the fibrous insulation material during the conditioning of the fibrous insulation materials. ### Claim 23 (depends on 21) The method of claim 21, wherein the conductive fibers are inserted into the flow of the fibrous insulation materials within the distribution hose. ### Claim 24 (depends on 21) The method of claim 21, wherein the fibrous loosefill insulation material is compressed within the package. ### Claim 25 (depends on 21) The method of claim 21, wherein the conductive fibers have an electrically conductive core positioned within a protective sheath. ### Claim 26 (depends on 25) The method of claim 25, wherein a material forming the sheath includes an electrically conductive material. ### Claim 27 (depends on 26) The method of claim 26, wherein the electrically conductive material in the sheath is titanium dioxide. ### Claim 28 (depends on 25) The method of claim 25, wherein a material forming the core is encapsulated into polymer-based mixtures such that the material forming the core is not available for inhalation or respiration.