Method of attaching a metal covering to a ceiling board

Details Method of attaching a metal covering to a ceiling board Method of attaching a metal covering to a ceiling board

1985-07-01

1986-07-01

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

52144, 52145, 181284, 181290, 428163, 428167, 428192, E04B 184, B32B 304

Patent

active

045980101

ABSTRACT:
An acoustical ceiling tile is provided with a metal facing sheet covering at least one raised rib on the surface of the acoustical tile. The raised rib has two parallel sides and the facing sheet is made with two parallel edges having the ends thereof spaced apart a distance slightly less than the rib width. Consequently, the edges of the facing sheet will engage the edges of the rib and frictionally hold the facing sheet over the flat surface of the rib.
The above structure will permit humidity and temperature to cause fluctuation in the dimensions of the base sheet containing the raised rib without resulting in any distortion of the metal facing sheet.

REFERENCES:
patent: 1998425 (1935-04-01), McNeil
patent: 2073735 (1937-03-01), Duffy
patent: 2101612 (1937-12-01), Duffy
patent: 2497912 (1950-02-01), Rees
patent: 3021915 (1962-02-01), Kemp
patent: 3509671 (1970-05-01), Akerson
patent: 3656577 (1972-04-01), Larsson et al.
patent: 3695395 (1972-10-01), Ollinger et al.

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