Patent ID: 6606893
Filing Date: 2003-08-19
Classification: B21D

Abstract:
Roll grooving apparatus for rolling a groove in a pipe comprising, a drive roll, first support means supporting said drive roll for rotation about a drive roll axis, second support means mounted on said first support means for pivotal displacement about a pivot axis parallel to said drive roll axis, a grooving roll mounted on said second support means for rotation about a grooving roll axis, a feed screw member having a feed screw axis and axially opposite first and second ends respectively interengaged with said first and second support means for rotation of said screw member about said feed screw axis to displace said second support means and said grooving roll thereon about said pivot axis to displace said grooving roll radially toward and away from said drive roll, said second end of said screw member including means by which said screw member can be rotated, and said feed screw axis being inclined relative to a plane through said drive roll axis and said grooving roll axis such that said second end of said screw member is closer to said plane than said first end.