Rivetless concrete wall form panel with plywood facing and metal studding

Claim 1

A RIVETLESS CONCRETE WALL FORM PANEL COMPRISING A RECTANGULAR PLYWOOD FACING SURROUNDED BY STUDDING IN THE FORM OF A RECTANGULAR METAL FRAME INCLUDING A PAIR OF OPPOSITELY DISPOSED LONGITUDINAL FRAME MEMBERS AND A PAIR OF OPPOSITELY DISPOSED TRANSVERSE FRAME MEMBERS, THE FRONT WALL-FORMING SIDE OF SAID FACING AND THE OUTER RIM OF SAID FRAME LYING IN A COMMON PLANE, THE FRAME MEMBERS OF EACH PAIR BEING FORMED WITH OPPOSED INTERNAL TROUGH-LIKE GROOVES HAVING INWARDLY DIVERGENT SLOPING SIDE WALL FACES AND WITHIN WHICH GROOVES ONE PAIR OF OPPOSITELY FACING EDGES OF THE FACING SEATS WITH THE EDGES SUBSTANTIALLY FILLING THE GROOVES, ONE OF SAID TRANSVERSE FRAME MEMBERS BEING REMOVABLE FROM THE FRAME TO PERMIT THE FACING TO BE SLID ENDWISE INTO AND ALONG THE OPPOSED GROOVES PROVIDED IN THE ADJACENT OPPOSED LONGITUDINAL FRAME MEMBERS FOR INSTALLATION AND REMOVAL PURPOSES, THE OPPOSITE ENDS OF SAID ONE TRANSVERSE FRAME MEMBER AND THE MATING ENDS OF THE ADJACENT LONGITUDINAL FRAME MEMBERS BEING BEVELLED IN A COMPLEMENTARY MANNER FOR INTERFITTING PURPOSES, EACH TROUGH-LIKE GROOVE BEING PROVIDED WITH AN OUTER SIDE WALL WHICH TAPERS TO A FEATHER EDGE, THE EDGES OF EACH PAIR OF OPPOSITELY FACING EDGES BEING BEVELLED ON A BIAS COMPLEMENTARY TO THE ADJACENT SLOPING SIDE WALL FACES WITH THE BEVELLED PORTIONS FITTING SNUGLY AGAINST SUCH SIDE WALL FACES, AND MEANS FOR REMOVABLY SECURING SAID ONE TRANSVERSE FRAME MEMBER IN POSITION IN THE FRAME, SAID GROOVES CONSTITUTING THE SOLE MEANS FOR REMOVABLY SECURING SAID FACING IN POSITION IN THE FRAME, SAID PLYWOOD FACING BEING IMPERFORATE AND THE FRONT WALL-FORMING SIDE THEREOF BEING DEVOID OF COUNTERSINK OR OTHER SOCKET-LIKE INTERRUPTIONS.