Corporation Trust Center 1209 Orange St. Wilmington DE 19801
BINDER FOR FOUNDRY SAND;
Where the owner name is not linked, that owner no longer owns the brand
Technical Examples
The present invention relates to A method and apparatus for making a sand core (112) utilizing purge air through a core box (100 and 100') to harden the binder in the sand core (112) proximate the ejection pins (106 and 106'). The sand core (112) may be removed from the core box (100 and 100') prior to drying the binder completely thereby resulting in an improved production rate of the sand core (112).