Patents by Inventor Elizabeth Colbert
Elizabeth Colbert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8151532Abstract: A construction assembly for interior works including prefabricated elements, wherein the prefabricated elements include a coating layer formed of at least one skim coat deposited on the prefabricated elements by a coating device; and at least one jointing material, e.g. a sealing coat, joint coat and/or joint pointing coat, which joints adjacent said prefabricated elements to form a substantially plane outer surface.Type: GrantFiled: July 7, 2004Date of Patent: April 10, 2012Assignee: Lafarge PlatresInventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel, Elizabeth A. Colbert, Pierre Gagne, Roland Boucher, Sylvie Bilodeau
-
Publication number: 20100047461Abstract: A method of producing a coated gypsum board includes depositing a gypsum slurry to form a wet gypsum board having a gypsum core; applying a coating to the wet gypsum board; and drying the wet gypsum board, wherein the step of applying the coating occurs prior to the step of drying and the coating penetrates through at least a portion of the facing sheet and into at least a portion of the gypsum core. A board produced by the method is made with a coating that matches a joint compound.Type: ApplicationFiled: November 2, 2009Publication date: February 25, 2010Applicant: LAFARGE PLATRESInventor: Elizabeth A. Colbert
-
Patent number: 7469510Abstract: Coating and jointing material systems for wall construction are provided. The coating is applied to drywall elements prior to installation and is compatible with the jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. Methods for the construction of interior walls and interior construction systems are provided.Type: GrantFiled: April 14, 2004Date of Patent: December 30, 2008Assignee: LaFarge PlatresInventors: Elizabeth Colbert, Andrew B. Bingaman, Marc Domenech, Pierre Gagné, Kenneth B. O'Connor, Göran Hedman, Stuart Jacquet
-
Publication number: 20080275167Abstract: A coating for wall construction is provided whereby a level 5 finish may be obtained without the need for a finishing coat or final skim coat. The coating may be applied to drywall elements prior to installation and is compatible with jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. The coating formulation includes a noncellulosic thickener, a binder, a mineral filler and water. A method for the construction of interior walls and a construction assembly for interior walls is further provided.Type: ApplicationFiled: July 1, 2008Publication date: November 6, 2008Applicant: Lafarge PlatresInventors: Elizabeth Colbert, Andrew B. Bingaman, Marc Domenech, Kenneth B. O'Connor, Goran Hedman
-
Patent number: 7414085Abstract: A coating for wall construction is provided whereby a level 5 finish may be obtained without the need for a finishing coat or final skim coat. The coating may be applied to drywall elements prior to installation and is compatible with jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. The coating formulation includes a noncellulosic thickener, a binder, a mineral filler and water. A method for the construction of interior walls and a construction assembly for interior walls is further provided.Type: GrantFiled: April 14, 2004Date of Patent: August 19, 2008Assignee: Lafarge PlatresInventors: Elizabeth Colbert, Andrew B. Bingaman, Marc Domenech, Kenneth B. O'Connor, Göran Hedman
-
Patent number: 7214411Abstract: A manufacturing line for gypsum boards includes a conveyor for moving gypsum boards in a line; a spray arm having a pivot at one end thereof for supporting the spray arm in a pivotable manner; a base frame mounted adjacent the conveyor; a support for the pivot mounted on the base frame so that the spray arm can be pivoted from an operative position wherein the spray arm extends over the conveyor to an inoperative position; a plurality of spray nozzles arranged on the spray arm for spraying a coating on gypsum boards on the conveyor; and a pump system on the frame to deliver the coating to the plurality of spray nozzles.Type: GrantFiled: April 13, 2004Date of Patent: May 8, 2007Assignee: Lafarge PlatresInventors: Elizabeth A. Colbert, Andrew B. Bingaman, Scott E. Statler, Michael J. Budroe, Walter Weldon
-
Patent number: 7208225Abstract: The present invention provides a construction assembly for interior works, comprising: prefabricated elements, preferably flat prefabricated elements e.g. gypsum fiberboards, cement fiberboards, gypsum wall boards or plaster boards, wherein said prefabricated elements comprise a coating layer formed of at least one skim coat deposited on said prefabricated elements by a coating device; and at least one jointing material, e.g.Type: GrantFiled: December 3, 2002Date of Patent: April 24, 2007Assignee: Lafarge PlatresInventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel, Elizabeth A. Colbert, Pierre Gagne, Roland Boucher, Sylvie Bilodeau
-
Publication number: 20070082170Abstract: This invention provides wallboard with a gypsum core with improved antifungal properties based on the distribution of fungicide and starch. Preferably, the wallboard has a gypsum core having a first surface and a second surface; facing sheets adhered to the first and second surfaces; a fungicide and a starch in the gypsum core; wherein the concentration of fungicide and starch is greater in portions of the core adjacent to the facing sheets than in a center of the core. Also a method for manufacturing wallboard as described above.Type: ApplicationFiled: August 30, 2006Publication date: April 12, 2007Applicant: LAFARGE PLATRESInventors: Elizabeth Colbert, Gary Molchan, Bruce Wieder
-
Publication number: 20050252128Abstract: A coating for wall construction is provided whereby a level 5 finish may be obtained without the need for a finishing coat or final skim coat. The coating may be applied to drywall elements prior to installation and is compatible with jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. The coating formulation includes a noncellulosic thickener, a binder, a mineral filler and water. A method for the construction of interior walls and a construction assembly for interior walls is further provided.Type: ApplicationFiled: April 13, 2004Publication date: November 17, 2005Inventors: Elizabeth Colbert, Andrew Bingaman, Marc Domenech, Kenneth O'Connor, Goran Hedman
-
Publication number: 20050246993Abstract: Coating and jointing material systems for wall construction are provided. The coating is applied to drywall elements prior to installation and is compatible with the jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. Methods for the construction of interior walls and interior construction systems are provided.Type: ApplicationFiled: April 13, 2004Publication date: November 10, 2005Inventors: Elizabeth Colbert, Andrew Bingaman, Marc Domenech, Pierre Gagne, Kenneth O'Connor, Goran Hedman, Stuart Jacquet
-
Publication number: 20050234174Abstract: A coating for wall construction is provided whereby a level 5 finish may be obtained without the need for a finishing coat or final skim coat. The coating may be applied to drywall elements prior to installation and is compatible with jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. The coating formulation includes a noncellulosic thickener, a binder, a mineral filler and water. A method for the construction of interior walls and a construction assembly for interior walls is further provided.Type: ApplicationFiled: April 14, 2004Publication date: October 20, 2005Inventors: Elizabeth Colbert, Andrew Bingaman, Marc Domenech, Kenneth O'Connor, Goran Hedman
-
Publication number: 20050229519Abstract: Coating and jointing material systems for wall construction are provided. The coating is applied to drywall elements prior to installation and is compatible with the jointing materials such that a substantially homogeneous surface may be obtained after the drywall elements are assembled with jointing material and the jointing material is dried. Methods for the construction of interior walls and interior construction systems are provided.Type: ApplicationFiled: April 14, 2004Publication date: October 20, 2005Inventors: Elizabeth Colbert, Andrew Bingaman, Marc Domenech, Pierre Gagne, Kenneth O'Connor, Goran Hedman, Stuart Jacquet
-
Publication number: 20050227013Abstract: A manufacturing line for gypsum boards includes a conveyor for moving gypsum boards in a line; a spray arm having a pivot at one end thereof for supporting the spray arm in a pivotable manner; a base frame mounted adjacent the conveyor; a support for the pivot mounted on the base frame so that the spray arm can be pivoted from an operative position wherein the spray arm extends over the conveyor to an inoperative position; a plurality of spray nozzles arranged on the spray arm for spraying a coating on gypsum boards on the conveyor; and a pump system on the frame to deliver the coating to the plurality of spray nozzles.Type: ApplicationFiled: April 13, 2004Publication date: October 13, 2005Applicant: LAFARGE PLATRESInventors: Elizabeth Colbert, Andrew Bingaman, Scott Statler, Michael Budroe, Walter Weldon
-
Publication number: 20040237436Abstract: A construction assembly for interior works including prefabricated elements, wherein the prefabricated elements include a coating layer formed of at least one skim coat deposited on the prefabricated elements by a coating device; and at least one jointing material, e.g. a sealing coat, joint coat and/or joint pointing coat, which joints adjacent said prefabricated elements to form a substantially plane outer surface.Type: ApplicationFiled: July 7, 2004Publication date: December 2, 2004Applicant: LAFARGE PLATRESInventors: Francois Zuber, Claude Leclercq, Pascal Bourne-Chastel, Elizabeth A. Colbert, Pierre Gagne, Roland Boucher, Sylvie Bilodeau
-
Publication number: 20040201120Abstract: A method of manufacturing gypsum board includes applying compressed air to an input end of a tube, wherein the tube includes the input end, an output end, and a venturi located between the input end and the output end; admitting a foaming agent to the input end of the tube so as to form a mixture of the compressed air and the diluted foaming agent; passing the mixture through the venturi and out the output end; combining the mixture with gypsum and water to form a gypsum slurry; and casting the gypsum slurry onto a continuous web for forming a gypsum board.Type: ApplicationFiled: February 2, 2004Publication date: October 14, 2004Applicant: LAFARGE NORTH AMERICA, INC.Inventor: Elizabeth Colbert
-
Publication number: 20040154264Abstract: A method of producing a coated gypsum board includes depositing a gypsum slurry to form a wet gypsum board having a gypsum core; applying a coating to the wet gypsum board; and drying the wet gypsum board, wherein the step of applying the coating occurs prior to the step of drying and the coating penetrates through at least a portion of the facing sheet and into at least a portion of the gypsum core. A board produced by the method is made with a coating that matches a joint compound.Type: ApplicationFiled: July 24, 2003Publication date: August 12, 2004Inventor: Elizabeth A. Colbert
-
Publication number: 20030084633Abstract: The present invention provides a construction assembly for interior works, comprising:Type: ApplicationFiled: December 3, 2002Publication date: May 8, 2003Inventors: Francois Zuber, Claude Leclerco, Pascal Bourne-Chastel, Elizabeth A. Colbert, Pierre Gagne, Roland Boucher, Sylvie Bilodeau