Method of hot rolling metal strip
AssigneeThe Steel Company of Canada, Limited
InventorWilliam Smith
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Abstract
This invention provides a method and apparatus for use with the rolling of hot metal strip. The first step in the rolling of hot metal strip is to roll a transfer bar of about 1 inch thickness, and this is ordinarily then passed through a series of finishing mills which reduce the thickness of the transfer bar to the desired final stage. The method and apparatus of this invention provides for the coiling up of a transfer bar after it has been rolled but before it passes to the finishing mill, the transfer of the coiled transfer bar from the coiling location to an adjacent uncoiling location where uncoiling can be completed or completely carried out, and initiating the coiling of a further transfer bar while the first transfer bar is still uncoiling.
Claims6
In a method of rolling hot metal strip, the steps of:
- a. rolling a transfer bar,
- b. coiling the transfer bar at a coiling location to form a coil having an open center core,
- c. substantially immediately after the coiling step is completed, initiating the uncoiling of said coil at the coiling location and passing the uncoiling transfer bar end toward a finishing operation,
- d. while the uncoiling is proceeding, transferring the coil from said coiling location to an adjacent uncoiling location, by means which has contact with the coil at at least one point that continuously moves with respect to the coil,
- e. and, during at least part of the uncoiling step, coiling a further transfer bar at said coiling location to form a further coil having an open center core.
Dependencies are inferred from the claim text.