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US 4,391,417 AGranted
Uncoiler for metallic strip material
AssigneeDavy-Loewy Limited
InventorRobert W. Gronbech
Life of this patent
Estimating the term…
Abstract
An uncoiler for metallic strip material may suffer from rotational effects of a coil supported on the mandrel if the coil is eccentrically mounted on the mandrel. The uncoiler has means for detecting these rotational effects and, if the effects are greater than a predetermined level, a signal is prepared which is used either to prevent further increase in rotational speed of the mandrel or to reduce the speed of the mandrel.
Claims6
An uncoiler for metallic strip material, comprising:
- mandrel means;
- a coil of strip material, which is characterized by some degree of eccentricity, disposed upon said mandrel means;
- means for moving said strip material so as to uncoil said strip material from said mandrel means;
- and
- means interacting with at least one of said eccentrically mounted coil of strip material disposed upon said mandrel means, or said mandrel means, for detecting said degree of eccentricity of said coil of strip material disposed upon said mandrel means, or the rotational effects of said eccentrically mounted coil of strip material, respectively, as said coil of strip material and said mandrel means are rotated by said moving means, and for controlling the speed of said moving means in response to said degree of eccentricity, or rotational effects, detected.
2 more elements
Dependencies are inferred from the claim text.