Sag resistant ceiling panel

Details Sag resistant ceiling panel Sag resistant ceiling panel

1988-05-18

1989-02-07

Scherbel, David A.

Static structures (e.g., buildings)

Facer held by stiffener-type frame

Facer back abuts and conceals frame

52827, 52828, E04B 552

Patent

active

048023213

ABSTRACT:
A ceiling panel, in a drop ceiling, formed from a relatively large ceiling board and at least one reinforcing metal channel affixed to the board top side, in which the channel has at least one opening shaped to form a tongue. The tongue extends into an opening on a metal plate which is mechanically affixed to the top of the board, such as by a plurality of tangs which penetrate the back of the board.

REFERENCES:
patent: 1773175 (1930-08-01), Edwards
patent: 2549661 (1951-04-01), Carney
patent: 3055466 (1962-09-01), Brown
patent: 4245448 (1981-01-01), Agar
patent: 4619086 (1986-10-01), Naka
patent: 4640073 (1987-02-01), Blecher
patent: 4685262 (1987-08-01), Meredith, Jr.
patent: 4702056 (1987-10-01), Carey

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