Technology is fickle. The latest and greatest invention can quickly become obsolete, replaced by a new iteration or an alternative method of accomplishing the same task. In packaging, as we have seen machine technology come and go, case erectors have remained a constant. These no-nonsense machines provide the essential task of setting up and sealing cases, and are often an entry point for end-of-line packaging automation. Why do case erectors continue to be a vital component on so many packaging lines today? There are multiple reasons.