Internally reinforced rolling door slat

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United States of America Patent

PATENT NO 9746289
SERIAL NO

14615324

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
LAWRENCE ROLL UP DOORS INC4525 LITTLEJOHN ST BALDWIN PARK CA 91706

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Freberg, Paul La Canada, US 3 18
Hahn, Steven Brentwood, US 10 168
Lawrence, Paul Monrovia, US 8 71

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