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:
Mar. 02, 2004
Filed:
Oct. 31, 2001
Michael D. Morgan, Billerica, MA (US);
Xiudong Sun, Arlington, MA (US);
Laura A. Tennenhouse, Belmont, MA (US);
Robert A. Wiercinski, Lincoln, MA (US);
Benita Dair, Somerville, MA (US);
Antonio J. Aldykiewicz, Jr., Brookline, MA (US);
Leon Bablouzian, Framingham, MA (US);
Lawrence Shapiro, Mansfield, MA (US);
W. R. Grace & Co.-Conn., Columbia, MD (US);
Abstract
The invention provides methods, systems, and devices for installing thermal barriers in openings or gaps in or between structures such as walls, ceilings, and floors. At least one thermal barrier molding bag is positioned in the hole or gap, and a flowable firestop material that is operative to cure or harden, such as a hydratable cementitious slurry, is introduced into the bag to mold a barrier in the hole or gap.