Patent ID: 8528625

Claim:
A method for producing a light alloy casting including at least one pipe that is supported by a wall of the casting, the method comprising: obtaining the at least one pipe; obtaining a mold that reproduces a form of the casting without the at least one pipe, the mold including at least one hollowed-out region which corresponds to a respective bridge to be formed around the at least one pipe that holds the at least one pipe and extends from the wall of the casting when the casting is complete; having a portion of the at least one pipe to be surrounded by the respective bridge subjected to a surface treatment to generate a thermal barrier between the portion of the at least one pipe and casting metal; positioning the at least one pipe in the mold, the at least one pipe being spaced apart from the wall of the casting to be formed when the casting is complete; and pouring the casting metal into the mold to produce the casting, the at least one pipe being fixedly connected to the wall of the casting via the respective bridge when the casting metal cools down.