Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators

Child Classifications

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• B65H 59/005
• B65H 59/02 by regulating delivery of material from supply package (by contact of package with support B65H49/02; by controlling speed of driving mechanism of unwinding or paying-out devices B65H59/38)
• B65H 59/08 by contact of running length of material with supply package
• B65H 59/10 by devices acting on running material and not associated with supply or take-up devices (by controlling speed of driving mechanism of material-forwarding devices B65H59/38)
• B65H 59/38 by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
• B65H 59/40 Applications of tension indicators