Continuous process for forming metal zippers. Source: How Products Are Made The machinery that Sundback invented to make his “Separable Fastener” has been much improved since the early 1900s ...
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11 Brilliant Ways to Fix a ZipperYou can do this using pliers. First, remove the stitching around the lower end of the zipper with a seam ripper. Be sure to take off the metal stop at the bottom of the zipper without tearing the ...
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