Patent ID: 8347943

Claim:
A diecasting tool for the production of a cylinder crankcase ( 2 ), comprising a salt core ( 4 ) and at least one cylinder sleeve ( 6 ), wherein the at least one cylinder sleeve ( 6 ) comprises an upper end ( 8 ) on a cylinder head side, and a lower end ( 10 ) on a crankshaft side, and the at least one cylinder sleeve ( 6 ) is supported on at least one center sleeve that is disposed on the diecasting tool, and the salt core ( 4 ) at least partially surrounds the at least one cylinder sleeve ( 6 ) in the manner of a cladding, wherein the salt core ( 4 ) comprises a crown ( 12 ) that at least partially bears on one of the ends ( 8 , 10 ) of the at least one cylinder sleeve ( 6 ), and wherein the core ( 4 ) comprises openings ( 14 ) that extend vertically beneath the upper end ( 8 ) of the at least one cylinder sleeve ( 6 ) on the cylinder head side.