Abstract: A moulding machine equipped with longitudinal laminating core boxes, characterized in that a plurality of sub-movable die plates are arranged between a fixed die plate and a main movable die plate, and the main movable plate and a plurality of the sub-movable die plates are interlockingly connected by a connecting device and a U-shaped die plate for the moulding machine, in which the die plate has U-shaped cavities where a core box is inserted, in the moulding machine equipped with longitudinal laminating core boxes, in which a plurality of the sub-movable die plates are arranged between the fixed die plate and the main movable die plate, and the main movable plate and a plurality of the sub-movable die plates are interlockingly connected by a connecting device.

Abstract: An entirely automatic, cold box type machine for molding an integral connecting core, which machine is provided with a sand blowing mechanism and a gassing mechanism, these mechanisms being suspended above an upper frame of the molding machine and traversable, and with a liftable drag car being mounted on the platform of the molding machine, characterized in that a rotatable connecting core feeding device is provided at one side portion outside the molding machine, a reversing unloader is provided at the other side portion, and a connecting core transfer car having a connecting core lifting device is traversably suspended from the upper frame in parallel with the sand blowing mechanism and the gassing mechanism.

Abstract: An entirely automatic, cold box type machine for molding an integral connecting core, which machine is provided with a sand blowing mechanism and a gassing mechanism, these mechanisms being suspended above an upper frame of the molding machine and traversable, and with a liftable drag car being mounted on the platform of the molding machine, characterized in that a rotatable connecting core feeding device is provided at one side portion outside the molding machine, a reversing unloader is provided at the other side portion, and a connecting core transfer car having a connecting core lifting device is traversably suspended from the upper frame in parallel with the sand blowing mechanism and the gassing mechanism.

Abstract: A blow plate and/or blow nozzle automatic cleaning device for use in molding machine comprising a blow plate turning, sand-discharging device consisting of a blow plate holding and turning frame which is turned 90.degree. on the fulcrum provided at one end of the lifting frame equipped with the lifting cylinder, and a compressed air injection mechanism which is arranged opposite to the fulcrum side and movable in its horizontal direction.

Abstract: A vertical split shell molding machine characterized by comprising hanging top board rails which are movably and fixably mounted to the top board of the principal body of said machine, a blow head assembly which is arranged movably beneath said hanging top board rails, an assembly which rotates a core box by 180.degree. in the vise assembly, and an assembly which overturns a fixed core box outside the machine.