Composite louver slats for jalousie windows

Claim 1

A JALOUSIE WINDOW COMPRISING A SASH HAVING A PAIR OF JAMBS, A NUMBER OF PAIRS OF SPACED CONVENTIONAL CLIPS ROCKABLY MOUNTED ON SAID JAMBS AND ADAPTED TO CLAMP CONVENTIONAL, THIN FLAT AND SOLID LOUVER SLATS, MEANS FOR SIMULTANEOUSLY ROCKING SAID CLIPS FROM AN INCLINED POSITION TO A SUBSTANTIALLY VERTICAL POSITION IN WHICH THE ENDS OF SAID CLIPS COME SUBSTANTIALLY INTO CONTACT WITH ADJOINING CLIPS, A PLURALITY OF COMPOSITE SLATS, EACH COMPRISING A HOLLOW RIGID SLAT BODY OF PLASTIC MATERIAL HAVING AN OVERALL THICKNESS GREATER THAN THAT OF SAID CLIPS, A PAIR OF PROJECTING ADAPTOR MEMBERS REMOVABLY PRESSED INTO THE HOLLOW ENDS OF SAID SLAT BODY, SAID ADAPTOR MEMBERS EACH INCLUDING A CENTRAL SECTION CONFORMING IN SHAPE AND THICKNESS TO AND EXTENDING AND CLOSING THE END OF SAID SLAT BODY, AT LEAST ONE DOWEL AT ONE SIDE OF THE CENTRAL SECTION SNUGLY FITTED INTO THE HOLLOW END OF THE SLAT BODY, AND A SUBSTANTIALLY FLAT END TONGUE ON THE OTHER SIDE OF THE CENTRAL SECTION HAVING A THICKNESS CONSIDERABLY LESS THAN THE THICKNESS OF SAID SLAT BODY AND SUBSTANTIALLY EQUAL TO THAT OF SAID CLIPS, SAID FLAT END TONGUES OF SAID PAIR OF ADAPTOR MEMBERS FITTING INTO AND BEING CLAMPED BY A PAIR OF SAID ROCKABLE CLIPS, WHEREBY SAID COMPOSITE LOUVER SLATS ARE REPLACEABLY HELD BY SAID CLIPS WITHOUT THE USE OF ADDITIONAL FASTENING MEANS AND WITHOUT ALTERING SAID CLIPS WHEN CONVENTIONAL SOLID LOUVER SLATS ARE REPLACED BY SAID HOLLOW SLATS.