Patent ID: 11919068
Assignee: HITEC S.R.L.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B | IPC B

Claim 16:
17. A core assembly for producing castings in a modular mold; each of said castings having at least one thermally activatable portion shaped so that it is configured to face a heat source; each of said castings having at least one duct contained inside said at least one portion; said at least one duct being fluid tight so that a fluid is configured to flow through it; said core assembly having a shape to form, in negative, said at least one duct; said core assembly comprising:
an inner core having:
a shaped body made of refractory material; and
at least one insert incorporated in said shaped body and configured to define at least two passages for said fluid inside said at least one duct; and

a tubular element that surrounds the inner core;
wherein the at least one insert comprises a physical structure that partitions the shaped body into a first section and a second section that is separated from the first section, the at least one insert extending to the tubular element.