Laser welded ceiling grid members

Details Laser welded ceiling grid members Laser welded ceiling grid members

E - Fixed Constructions

04

C

20/18.6

E04C 3/32 (2006.01) E04B 9/06 (2006.01) E04B 9/08 (2006.01)

Patent

CA 1293099

ABSTRACT A method of making an inverted T shaped ceiling grid member comprises the steps of folding a sheet of metal to form a vertical central web with a a bulb at the top and having two web sidewalls with a pair of oppositely disposed horizontal flanges extending outwardly from the bottom of the web for supporting ceiling tiles, and laser welding the two web sidewalls together by applying a laser beam thereto to form a laser weld to increase the strength and rigidity of the ceiling grid member. A cap may be attached to the flanges to cover the bottom of the flanges. A metal inverted T shaped ceiling grid member comprises a vertical web having a bulb at the top and having two web sidewalls, a pair of oppositely disposed horizontal flanges extending outwardly from the bottom of the web, and a laser weld joining the two web sidewalls together. A cap may be attached to the flanges to cover the bottom of the flanges.

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