Roll for transporting rolled steel products comprises rings of
ferromagnetic material separated by rings of nonmagnetic material. All
rings have same diameter but nonmagnetic rings are narrower than magnetic
rings. Annular coil within each magnetic ring supplied with DC power to
magnetize ferromagnetic rings. Entire assembly mounted on rotatable shaft.
Apparatus may comprise plurality of such rolls on parallel shafts with
idler rolls between them; nonmagnetic rings of the rolls being out of
alignment.
Current U.S. Class: |
198/690.1 ; 198/789; 226/93 |
Current International Class: |
B65G 39/00 (20060101); B65g 017/46 () |
Field of Search: |
226/93 271/74.1 198/41,127 335/288,289,291
|