Patent ID: 9649778
Date: 2017-05-16
CPC Classifications: B28B

Claim:
1. A mold for manufacturing at least one interlocking concrete block, the at least one block having a top surface having a transverse profile comprising at least one interlocking structure projecting from or recessed into the top surface, and a bottom surface having a transverse profile comprising at least one complementary interlocking structure projecting from or recessed into the bottom surface, the mold comprising: a mold box, comprising: and a removable draw plate for closing the bottom of the mold box, comprising: wherein at least one end wall of the mold box provides openings for receiving the bottom insert members, the bottom insert members can be received in and retracted from the openings in the at least one end wall of the mold box both horizontally and vertically, and some of the bottom insert members comprise an undercut surface, the undercut surface being provided with a filler block to close a gap between the end wall and the undercut surface.