Word: jamproof
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Dates: during 1954-1954
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Snagless Slider. A jamproof slide fastener, called "Conmatic." was brought out by Conmar Products Corp. Other jam-proof fasteners on the market have hinged or removable sliders. Conmar, taking a preventive approach, designed a slider with ridges and grooves that either brush away obstructions or, if that fails, stop the slider in its tracks before it can catch...
...Catch. A jamproof slide fastener will be put on the market by Talon, Inc. It has a pushbutton "Magic Tab" that opens the fastener's jaws to clear snagged threads or other obstructions...
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