Patent ID: 8371363

Claim:
An apparatus for producing a die cast part with an arc-shaped inside and/or outside casting contour, the apparatus comprising: a permanent mold with at least one mobile arc-shaped slide-valve core, the permanent mold forming the arc-shaped inside and/or outside casting contour of the die cast part via die casting, a rotary slide-valve arrangement moving the at least one mobile arc-shaped slide-valve core before the die casting on an arc-shaped path into the permanent mold and after the die casting on an arc-shaped path out of the permanent mold; and a combination slide valve; wherein the rotary slide-valve arrangement comprises an arc-shaped rotary slide-valve, wherein the combination slide valve locks the arc-shaped rotary slide valve together with the at least one mobile arc-shaped slide-valve core after the movement into the permanent mold and moves the arc-shaped rotary slide-valve together with the at least one mobile slide-valve core into a final casting position, and wherein the combination slide valve unlocks the arc-shaped rotary slide valve together with the at least one mobile arc-shaped slide-valve core before the movement out of the permanent mold, thereby releases the at least one mobile arc-shaped slide-valve core from the die cast part when the die cast part is solidified, and moves the arc-shaped rotary slide valve together with the at least one mobile slide-valve core into a preliminary mold-removal position.