U-Shaped plasterboard

Details U-Shaped plasterboard U-Shaped plasterboard

1980-02-04

1982-12-07

Friedman, Carl D.

Static structures (e.g., buildings)

With synthetic resinous component

With nonresinous component

52600, 52631, E04C 100

Patent

active

043619959

ABSTRACT:
The present invention concerns a construction element, in particular containing plaster, in a plate which includes reinforcements distributed throughout the greater part of its thickness, such that along lines parallel to the sides of the plate, the reinforcements are concentrated in predetermined zone of the thickness and the plaster is removed plumb with these lines which may thus become folding lines to achieve a non-planar element. The invention also concerns a process and apparatus for manufacturing these construction elements. The invention applies, in particular, to the manufacture of U-shaped plasterboard panels for use in ceilings and in building structures.

REFERENCES:
patent: 918366 (1909-04-01), Quereau
patent: 1386554 (1921-08-01), Dalglish
patent: 1439954 (1922-12-01), Emerson
patent: 3731449 (1975-05-01), Kephart, Jr.
patent: 3890754 (1975-06-01), Spurdle
patent: 3949144 (1976-04-01), Duff
patent: 4133928 (1979-01-01), Riley et al.

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