Building panel assembly

Claim 1

A WALL PANEL ASSEMBLY COMPRISING A PLURALITY OF IDENTICAL OUTSIDE SHEET MULTI-PANEL STRIPS, EACH STRIP HAVING A PLURATILY OF PANEL CLOSELY SPACED IN SIDE-BY-SIDE RELATION AT THE OUTER SURFACE OF THE STRIP AND WIDE-BOTTOMED SUBSTANTIALLY TRIANGULARLY FORMED GROOVES EXTENDING AT THE BACK OF THE STRIP FROM SAID CLOSELY SPACED SIDES OF EACH PAIR OF ADJACENT PANELS AND FROM THE OUTER SIDE OF THE PANEL AT ONE SIDE EDGE OF SAID STRIP, SAID GROOVE AT THE SIDE EDGE OF SAID STRIP HAVING A BOTTOM WALL AND INNER AND OUTER SIDEWALLS, THE TOP OF SAID INNER WALL BEING CONNECTED AT SAID SIDE EDGE OF SAID STRIP, THE TERMINAL PORTION OF SAID OUTER SIDE WALL BEING SPACED FROM THE TOP OF SAID INNER SIDEWALL FORMING AN OPEN APEX IN THE PLANE OF SAID STRIP, SAID SIDEWALLS DIVERGING DOWNWARDLY FROM SAID OPEN APEX OF SAID GROOVE TO A PAIR OF LOBES EXTENDING LATERALLY FROM THE OPPOSITE ENDS OF SAID WIDE BOTTOM WALL, EACH LOBE HAVING A RETURN PORTION EXTENDING SUBSTANTIALLY PARALLEL TO SAID WIDE BOTTOM WALL AND MEETING AND ENGAGING THE LOWER END OF ITS RESPECTIVE SIDE WALL, THE OPPOSITE SIDE EDGE OF SAID STRIP BEING FORMED TO PROVIDE A TONGUE HAVING A BASE END AT THE PANEL EDGE AND AN OUTER END, SAID TONGUE EXTENDING ANGULARLY FROM SAID STRIP AND HAVING A REVERSELY TURNED OUTER LIP AT SAID OUTER END, AND ADAPTED TO INTERLOCK WITH THE TRIANGULARLY FORMED GROOVE OF AN ADJACENTLY JOUNED STRIP BY PASSING SAID TONGUE FULLY INTO THE OPEN APEX OF SAID GROOVE ALONG THE INNER SIDE WALL THEREOF WITH ITS LIP PRESSED AGAINST THE UNDERSIDE OF SAID RETURN PORTION OF THE INNER LOBE AND ITS BASE END PRESSED AGAINST SAID TERMINAL PORTION OF THE OUTER SIDEWALL, ADJACENT STRIPS IN SAID PANEL ASSEMBLY BEING JOINED TOGETHER BY SAID INETERLOCKING SIDE EDGES, THE OUTER SIDE EDGES OF THE STRIPS AT THE OPPOSITE ENDS OF SAID PANEL ASSEMBLY PROVIDING INTERLOCKING SIDE EDGES FOR JOINING PANEL ASSEMBLIES TOGETHER AT A BUILDING SITE, AN INSULATOR SLAB MOUNTED ON THE BACK OF SAID PLURALITY OF MULTIPANEL STRIPS, IN SPACED RELATION TO SAID PANELS, SAID SLAB HAVING SHALLOW WIDE-BOTTOMED GROOVES FORMED IN ITS INNER SURFACE LOCKED OVER THE WIDE BOTTOM OF EACH OF THE TRIANGULARLY FORMED GROOVES, THE OPPOSITE SIDE EDGES OF SAID SLAB HAVING COMPLEMENTARY PARTS OF A SHALLOW WIDE-BOTTOMED GROOVE TO LOCK OVER THE OPPOSITE LOBES OF THE WIDE BOTTOM WALL OF THE TRIANGULARLY FORMED STRIP GROOVE AT ONE END OF THE PANEL ASSEMBLY, ONE SIDE EDGE OF SAID SLAB AT SAID ONE END OF THE PANEL ASSEMBLY HAVING ONE PART OF SAID SHALLOW WIDE-BOTTOMED GROOVE EXTENDING AROUND THE INNER LOBE FROM THE INNER SIDE WALL AND ALONG THE WIDE BOTTOM WALL OF SAID TRIANGULARLY FORMED GROOVE TO A POINT NEAR THE OUTER LOBE AND HAVING A BEVELED SURFACE EXTENDING FROM SAID POINT TO ITS OUTER SURFACE AND FORMING AN OBTUSE ANGLE THEREWITH, THE OPPOSITE SIDE EDGE OF THE SLAB HAVING THE OTHER COMPLEMENTARY PART OF THE SHALLOW WIDE-BOTTOMED GROOVE FORMED THEREIN AND ADAPTED TO EXTEND FROM THE OUTER SIDE WALL OF THE TRIANGULAR STRIP GROOVE, AROUND THE OUTER LOBE, TO A POINT CORRESPONDING WITH THE FIRST MENTIONED POINT AT THE BOTTOM OF THE TRIANGULAR GROOVE AT THE EDGE OF AN ADJACENTLY JOINED PANEL ASSEMBLY, AND HAVING A BEVELED SURFACE EXTENDING FROM SAID CORRESPONDING POINT AT THE BOTTOM O FTHE GROOVE TO THE OUTER SURFACE OF THE SLAB AND FORMING A SUPPLEMENTARY ACUTE ANGLE THEREWITH, WHEREBY THE ADJACENT SLAB EDGES ARE GUIDED INTO SURFACE ALIGNMENT, SAID SLAB HAVING SUPPORTING SPACER STRIPS FIXED THERETO BETWEEN SAID SHALLOW WIDE-BOTTOMED GROOVES, SAID SPACER STRIPS ENGAGING THE MID PORTIONS OF THE BACK OF EACH PANEL OF THE MULTI-PANEL STRIPS, SAID SLAB PROVIDING CROSSWISE RIGIDITY TO THE PANEL ASSEMBLY AND SAID GROOVES IN THE MULTI-PANEL STRIPS ADDING TO THE LENGTHWISE RIGIDITY THEREOF.