Developed new concept of collapsible core for plastic injection moulding tools. Help to solve product release in case of undercut in release direction.
Possible to home-made in toolshop to save money. As this is quiet expensive component, in case You want to source it engineered from usual suppliers of standard components.
Core could be modified to reach requested stroke / undercut design. Ideal for o-ring seats on round injection moulded part, but could be used for millions of applications, depends on designers ideas and needs.