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Sundback's contributions went further to include the construction of machinery that made fastener manufacture rapid and economical.
The Hookless Fastener Company was organized in Meadville, Pennsylvania, and efforts to market the novel device began in 1914.
The entrepreneurs who had backed Judson and then Sundback readily saw the efficacy of the hookless fastener design.The new nylon coil zippers were probably more expensive than metal ones at first, as most new technology is.And they weren't available to home sewers until later. There is the copy from the ad: "New Talon Zephyr...fabulous nylon closure with the feel and flex of fabric.He analyzed with care the key elements of the automatic hook-and-eye, and concluded that the hook-and-eye model was not a suitable one for any kind of automatic fastener.Late in 1913, Sundback introduced his "Hookless Fastener," based on novel principles and resembling in all important respects the modern metal zipper.