a core puller / mold assembly includes a mold frame containing a block mold having a mold cavity . a pair of cylinders is present , with each cylinder fastened to an opposed , exterior side of the mold frame . the cylinders each have a rod that extends beyond the mold frame joining the opposed , exterior sides . a core bar mounting bracket is fastened between the cylinder rods . at least one core bar is secured to the mounting bracket , with the bar extending toward the mold cavity . the at least one core bar is removed from the mold cavity with the cylinder rods extended and traverses the mold cavity with the cylinder rods retracted . the following attorney &# 39 ; s file path identification forms no part of the disclosure or claims of