Automatic concrete pipe molding machine for belled pipe

Claim 1

AN APPARATUS FOR FORMING BELLED CONCRETE PIPE COMPRISING A MOLD ASSEMBLY COMPRISING AN OUTER MOLD CASING, AN INNNER MOLD CORE AND A BELL CONTOUR MOLDING CORE DETACHABLY MOUNTED AT THE LOWER END OF SAID INNER MOLD CORE; A CONCRETE AGGREGATE SUPPLYING MEANS SO POSITIONED TO ENABLE DELIVERY OF SAID AGGREGATE TO THE INTERSTICE BETWEEN SAID OUTER MOLD CASING AND SAID INNER MOLD CORE; VIBRATORY MEANS ATTACHED TO SAID MOLD ASSEMBLY FACILITATING TAMPING AND SETTLING OF SAID AGGREGATE; A HOLLOW CYLINDRICAL TUBE OF A DIAMETER LARGER THAN SAID INNER CORE YET SMALLER IN DIAMETER THAN SAID OUTER CASING, SAID TUBE BEING CONNECTED TO A PRESSURE APPLYING MEANS ENABLING PRESSURE TO BE APPLIED IN A DOWNWARDLY DIRECTION TO SAID AGGREGATE IN SAID MOLD; ROTARY MEANS CONNECTED TO SAID BELL CONTOUR MOLDING CORE TO ROTATE THE SAME AND THEREBY PROVIDE A TROWELING EFFECT; MOLD LIFT AND REMOVAL MEANS OPERATIVELY CONNECTED TO SAID INNER MOLD CORE AND SAID OUTER MOLD CASING ENABLING JOINT UPWARD REMOVAL OF SAID MOLD CORE AND MOLD CASING WHILE THE MOLDED PIPE IS HELD IN PLACE BY SAID CYLINDRICAL TUBE; LOWERING MEANS ATTACHED TO SAID BELL CONTOUR MOLDING CORE ENABLING DOWNWARD REMOVAL OF SAID CORE UPON COMPLETION OF THE MOLDING OPERATION; AND TABLE MEANS UNDERLYING SAID MOLD CASING AND MOLD CORE, SAID TABLE MEANS BEING FORMED WITH AN APERTURE FOR MOVEMENT OF SAID BELL CONTOUR MOLDING CORE.

Claim 2

AN APPARATUS FOR FORMING BELLED CONCRETE PIPE COMPRISING A MOLD ASSEMBLY COMPRISING AN OUTER MOLD CASING, AN INNNER MOLD CORE AND A BELL CONTOUR MOLDING CORE DETACHABLY MOUNTED AT THE LOWER END OF SAID INNER MOLD CORE; A CONCRETE AGGREGATE SUPPLYING MEANS SO POSITIONED TO ENABLE DELIVERY OF SAID AGGREGATE TO THE INTERSTICE BETWEEN SAID OUTER MOLD CASING AND SAID INNER MOLD CORE; VIBRATORY MEANS ATTACHED TO SAID MOLD ASSEMBLY FACILITATING TAMPING AND SETTLING OF SAID AGGREGATE; A HOLLOW CYLINDRICAL TUBE OF A DIAMETER LARGER THAN SAID INNER CORE YET SMALLER IN DIAMETER THAN SAID OUTER CASING, SAID TUBE BEING CONNECTED TO A PRESSURE APPLYING MEANS ENABLING PRESSURE TO BE APPLIED IN A DOWNWARDLY DIRECTION TO SAID AGGREGATE IN SAID MOLD; ROTARY MEANS CONNECTED TO SAID BELL CONTOUR MOLDING CORE TO ROTATE THE SAME AND THEREBY PROVIDE A TROWELING EFFECT; MOLD LIFT AND REMOVAL MEANS OPERATIVELY CONNECTED TO SAID INNER MOLD CORE AND SAID OUTER MOLD CASING ENABLING JOINT UPWARD REMOVAL OF SAID MOLD CORE AND MOLD CASING WHILE THE MOLDED PIPE IS HELD IN PLACE BY SAID CYLINDRICAL TUBE; LOWERING MEANS ATTACHED TO SAID BELL CONTOUR MOLDING CORE ENABLING DOWNWARD REMOVAL OF SAID CORE UPON COMPLETION OF THE MOLDING OPERATION; AND TABLE MEANS UNDERLYING SAID MOLD CASING AND MOLD CORE, SAID TABLE MEANS BEING FORMED WITH AN APERTURE FOR MOVEMENT OF SAID BELL CONTOUR MOLDING CORE.