Particolari sul brevetto

Ricercando attraverso "google patents" dei precedenti brevetti sui quali si rivendicavano delle innovazioni ci si imbatte in una serie di documenti classificati come "similar" che però riguardano fondamentalmente l'edilizia e in particolare lo stampo di mattoni. Ciò che il brevetto reclama è:

-" In a mold-filling machine, the combination of the casing open at bottom, hollow vertical partitions in the casing, verticallysliding plates in said hollow partitions, and a cut-off plate at the bottom of the casing".


- "In a mold-filling machine, the combination of the open bottom casing laring at the top, vertical hollow partitions in said casing, vertically-sliding plates in said partitions, and means for moving them from outside the casing, and a slotted cut-off plate through which slots the lower ends of the verticallysliding plates move, substantially as described".


- "In a mold-filling machine, the combination of the casing having vertical partitions, vertically moving plates which when depressed form extensions of said partitions, means for lifting said plates, a transverselysliding cut-off plate having slots through which the vertically-movable plates pass, and a mold of substantially the area of the lower end of the casing, substantially as described".


- "In a machine as described, the casing having its lower portion constructed with slotted parallel sides, vertically-movable plates having ears extending through said slots in the casing, covering-plates outside the pasing to which the ears are connected and means for lifting said covering-plates, substantially as described".


- "The combination of the slotted casing, the vertically-movable plates therein having, lugs extending through said slots, the covering-plates outside said casing connected to said lugs, and the links and forked lever connected to said covering-plates, substantially as described".


- "The combination with the open-bottomed casing or filling-receptacle, of vertically-movable plates extensible from the bottom thereof, a mold corresponding to the bottom of the easing into which the plates are extended, thereby forming partitions in the mold, and a cut-off gate movable below the bottom of the filling-receptacle".