Source: How Products Are Made The machinery that Sundback ... and a set of dies then crimps the legs to the tape. A modern zipper machine can make stringers at a rate of 2000 teeth per minute.

An curved arrow pointing right. The Road Zipper is a machine that reconfigures major roadways on the fly by picking up the concrete median and putting it back down one lane over. The system comes ...

You can find plenty of videos of machines that “make” zipper bags on YouTube (like ... you can learn a lot from the Ausnits. Improve your product in ways that make people want to use it.