Form for concrete slabs

Claim 2

A FORM FOR CASTING A CONCRETE SLAB IN HORIZONTAL POSITION COMPRISING: A PLURALITY OF FORM SECTIONS; AND MEANS CONNECTING SAID SECTIONS TOGETHER IN SUBSTANTIALLY END-TOEND RELATION TO DEFINE A VERTICALLY ENCLOSED VOLUME OF SMALL HEIGHT RELATIVE TO ITS HORIXONTAL DIMENSION CORRESPONDING TO THE SLAP TO BE CAST THEREIN, SAID FORM SECTIONS INCLUDING CORNER END SECTIONS HAVING SUBSTANTIALLY CONTINUOUS VERTICAL WALLS PROVIDING HORIZONTAL SLOTS IN SUBRUPTED VERTICAL WALLS PROVIDING HORIZONTAL SLOTS IN SUBSTANTIALLY THE MID HOIRIZONTAL PLANE OF THE FORM FOR RECEIVING AND SUPPORTING THE ENDS OF SLAB REINFORCING RODS EXTENDING IN THE PLANE OF THE SLAB BETWEEN SECTIONS AT OPPOSITE SIDES OF THE FORM.

Claim 3

A FORM FOR CASTING A CONCRETE SLAB IN HORIZONTAL POSITION COMPRISING: A PLURALITY OF FORM SECTIONS; AND MEANS CONNECTING SAID SECTIONS TOGETHER IN SUBSTANTIALLY END-TO-END RELATION TO DEFINE A VERTICALLY ENCLOSED VOLUME CORRESPONDING TO THE SLAP TO BE CAST THEREIN, SAID CONNECTING MEANS COMPRISING HORIZONTAL BASE PLATES, SUPPORTS EXTENDING VERTICALLY FROM SAID BASE PLATES, AND ATTACHMENT MEANS EXTENDING TRANSVERSELY OF SAID VERTICAL SUPPORTS AND HAVING MEANS ADJACENT THEIR OPPOSITE ENDS FOR ATTACHMENT TO THE ADJACENT ENDS OF SAID SECTIONS, SAID VERTICAL SUPPORTS EACH COMPRISING A PAIR OF VERTICALLY EXTENDING ANGLES HAVING OPPOSITELY EXTENDING, INWARDLY FACING LEGS ON WHICH SAID ATTACHMENT MEANS ARE MOUNTED AND ADJACENT, OUTWARDLY EXTENDING LEGS SPACED APART TO PROVIDE A SLOT THEREBETWEEN FOR THE RECEPTION OF AN ATTACHMENT TONGUE.

Claim 4

A FORM FOR CASTING A CONCRETE SLAB IN HORIZONTAL POSITION COMPRISING: A PLURALITY OF FORM SECTIONS; AND MEANS CONNECTING SAID SECTIONS TOGETHER IN SUBSTANTIALLY END-TO-END RELATION TO DEFINE A VERTICALLY ENCLOSED VOLUME CORRESPONDING TO THE SLAP TO BE CAST THEREIN, SAID CONNECTING MEANS COMPRISING HORIZONTAL BASE PLATES, SUPPORTS EXTENDING VERTICALLY FROM SAID BASE PLATES, AND ATTACHMENT MEANS EXTENDING TRANSVERSELY OF SAID VERTICAL SUPPORTS AND HAVING MEANS ADJACENT THEIR OPPOSITE ENDS FOR ATTACHMENT TO THE ADJACENT ENDS OF SAID SECTIONS, SAID VERTICAL SUPPORTS EACH COMPRISING A PAIR OF VERTICALLY EXTENDING ANGLES HAVING OPPOSITELY EXTENDING, INWARDLY FACING LEGS ON WHICH SAID ATTACHMENT MEANS ARE MOUNTED AND ADJACENT, OUTWARDLY EXTENDING LEGS SPACED APART TO PROVIDE A SLOT THEREBETWEEN FOR THE RECEPTION OF AN ATTACHMENT TONGUE.