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:
Oct. 02, 2012
Filed:
Jun. 06, 2007
Kurt Munk Pedersen, Borup, DK;
Kenn Christensen, Havdrup, DK;
Lars Elmekilde Hansen, Roskilde, DK;
Rockwool International A/S, Hedehusene, DK;
Abstract
The invention relates to a metal sheet () ventilation/smoke exhaust duct section () for incorporation into a metal sheet ventilation/smoke exhaust duct, said metal sheets () being covered on the outside by a heat insulating material () and said duct section () including elongated stiffening bar members () located on the outside of the duct and attached to said metal sheets (), the invention being characterized in said bar members () being located at a distance from said metal sheets (), said bar members () being attached to said metal sheets () at discrete locations along the length of the bar members ().