Disposable slide fixation fluid package

Claim 1

IN A DISPOSABLE PACKAGE FOR USE IN THE FIXATION OF SPECIMEN-MOUNTING SLIDES FOR MICROSCOPIC ANALYSIS, COMPRISING A HERMETICALLY SEALED THIN-WALLED THERMOPLASTIC HOLLOW BODY INCLUDING A PAIR OF SPACED WALLS DEFINING THE WIDTH OF THE BODY AND A PAIR OF SPACED SUBSTANTIALLY FLAT WALLS CONNECTING SAID FIRST-NAMED WALLS AND DEFINING THE THICKNESS OF SAID HOLLOW BODY, SAID WALLS CONNECTED BY A BOTTOM WALL AT ONE END HAVING FREE EDGES AT THEIR OPPOSED ENDS, SAID HOLLOW BODY BEING OF AN INNER WIDTH EQUAL SUBSTANTIALLY TO THE WIDTH OF A GLASS MICROSCOPE SLIDE, SAID SECOND PAIR OF WALLS EACH HAVING A LONGITUDINALLY-EXTENDING RIB ON THEIR INNER SURFACE, SAID RIBS SPACED FROM ONE ANOTHER A DISTANCE LESS THAN THE WIDTH OF A GLASS MICROSCOPE SLIDE, EACH SAID RIB SPACED FROM AN ADJACENT ONE OF SAID FIRST PAIR OF WALLS A DISTANCE EXCEEDING THE THICKNESS OF A GLASS MICROSCOPE SLIDE AND EXTENDING FROM SAID BOTTOM WALL IN THE DIRECTION OF THE OTHER END OF SAID HOLLOW BODY, SAID HOLLOW BODY CONTAINING FIXATION FLUID AND HAING THE FREE ENDS OF ITS WALLS HEATSEALED TO ONE ANOTHER.