Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul Freberg0
Paul Lawrence0
Steven Hahn0
Date of Patent
August 29, 2017
0Patent Application Number
146153240
Date Filed
February 5, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A rolling door slat designed to deflect, redirect or absorb severe force is disclosed. The present invention utilizes a double slat design with layered joints, and an open volume enclosing a reinforced core. The reinforced core of the present invention consists of either a solid block of dense, protective material, or layers of material. The layers of material serve to both deflect and absorb impact and blast force, resist vertical force, as well as provide more traditional rolling door functions such as fire resistance or sound and heat insulation.
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