The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2009
Filed:
Jan. 08, 2004
David I. Suda, Warrington, PA (US);
Michael J. Lembo, Souderton, PA (US);
Andreas H. Unruh, Hatfield, PA (US);
Joyce A. Chunko, Hazleton, PA (US);
Richard J. Ray, Jr., Downingtown, PA (US);
David I. Suda, Warrington, PA (US);
Michael J. Lembo, Souderton, PA (US);
Andreas H. Unruh, Hatfield, PA (US);
Joyce A. Chunko, Hazleton, PA (US);
Richard J. Ray, Jr., Downingtown, PA (US);
CertainTeed Corporation, Valley Forge, PA (US);
Abstract
A method of making an insulation product is provided. An uncured or partially cured mat containing randomly oriented inorganic fibers and a heat curable binder agent is formed. The mat has a pair of side portions and a first and second major surfaces thereon. A nonwoven sheet is applied to the first major surface. The nonwoven sheet comprises randomly oriented glass fibers. The uncured or partially cured mat is heated with the nonwoven sheet, wherein the mat is cured to form a low density mat and the nonwoven sheet is bonded to the first major surface by the heat curable binder agent.