Perfect Patterns is an industry-leader in it's high volume sand core box tooling.  For more than 50 years, we have continuously produced coreboxes  for machines such as Laempe, Loramendi, Shalco, and Redford.  

All boxes are rigged to your most stringent specifications which may include venting, spring loaded and hydraulic ejection systems, pneumatic and hydraulic loose pieces and water-cooled blow, gas, and crimp heads. 

To reduce core breakage and improve casting surface finish, all coreboxes built by Perfect Patterns receive a meticulous polishing by our highly qualified finishing department.