IN THE DRAWINGS
FIG. 1 is a perspective illustration of a stud illustrating one embodiment of the invention, with narrow longitudinal indented ribs;
FIG. 2 is a side elevation of the stud of FIG. 1;
FIG. 3 is a section along line 3-3 of FIG. 2;
FIG. 4 is a perspective of a further embodiment of stud illustrating another embodiment of the invention for embedment in concrete in which are numerous, narrow, longitudinal indented ribs; and an embedment edge for embedment in concrete;
FIG. 5 is a side elevation of the stud of FIG. 4;
FIG. 6 is a section along line 6-6 of FIG. 5;
FIG. 7 is a perspective of a further embodiment of stud for use in reinforcing concrete panels;
FIG. 8 is a side elevation of the stud of FIG. 7;
FIG. 9 is a section along 9-9 of FIG. 8;
FIG. 10 is a section of a modification similar to FIG. 1.
FIG. 11 is a perspective of a further embodiment, and incorporating x-shaped transverse indented ribs, as well as longitudinal indented ribs;
FIG. 12 is a side elevation of FIG. 11;
FIG. 13 is a section along the line 13-13 of FIG. 12;
FIG. 14 is a section of a modification similar to FIG. 3;
FIG. 15 is a perspective of a further embodiment of a stud particularly suitable for the erection of dry wall partitions;
FIG. 16 is a reverse perspective of FIG. 15;
FIG. 17 is a perspective illustration illustrating a cross bracing member adapted to extend transversely between two studs;
FIG. 18 is a perspective illustration of a further embodiment of a dry wall stud;
FIG. 19 is a illustration of a further embodiment of a dry wall stud;
FIG. 20 is a schematic section illustrating the ranges of dimensions of the various indented ribs and flanges and webs of the studs;
FIG. 21 is an enlarged detail of the detail 21 of FIG. 20;
FIG. 22 is a table of the ranges of dimensions, which may be used for various modified forms of studs;
FIG. 23 is an illustration of an indenting roll forming tool, suitable for indenting ribs according to the invention into the metal webs used manufacture of these studs; and
FIG. 24 is a perspective similar to FIG. 17 showing an alternate cross bracing member.