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(11)    Patent No :    AP 2278   
(21)    Application No :    AP/P/2007/003966   
(22)    Filing Date :    14.10.2005   
(24)    Date of Grant &    02.09.2011   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    10/966,760    15.10.2004

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
 
(73) Applicant(s)

M. I. C. INDUSTRIES, INC., One Fountain Square, 11911 Freedom Drive, Reston, 20190, Virginia,
United States of America


(72) Inventors

MORELLO Frederick, United States of America

(74) Representative

FISHER CORMACK & BOTHA
 
(51)    International  Classification   E04B 1/32 (2006.01)

(54)    Title

Building panel and building structure

(57)    Abstract

An improved building panel with increased stiffness and resistance to buckling is disclosed. The panel cross section is characterized by a novel center portion comprised of radially arranged longitudinal stiffening ribs which transition into side portions configured to allo w joining of the panels. The configuration of the panel's center section results in an increased moment of inertia as well as higher resistance to positive and negative bending moments and local buckling when compared to existing designs. Additionally, the panel configuration allows curving longitudinally without corrugations. These improvements in the strength of the panel and the elimination of corrugations reduce design constraints on buildings constructed of such panels and allow larger buildings to be constructed.


(56)    Documents Cited :    US-4759159    US-3276171    CN-2152845    DE-1684709

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