responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged

Full Title

Automatic control, checking, warning, or safety devices (registering wrapping or container-forming material fed from rolls B65B41/18) > responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged

Child Classifications

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• B65B 57/12 and operating to control, or stop, the feed of wrapping materials, containers, or packages
• B65B 57/14 and operating to control, or stop, the feed of articles or material to be packaged
• B65B 57/16 and operating to stop, or to control the speed of, the machine as a whole