Patent ID: 11965290
Assignee: INTERNATIONAL PAPER COMPANY
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 3:
4. The method of claim 1, wherein the second member refiner bars comprise:
third refiner bars extending from a first radially inward position to a first radially outward position on the second refining surface; and
fourth refiner bars extending from a second radially inward position to a second radially outward position on the second refining surface, the second radially outward position being nearer to an outermost part of the second refining body than the first radially outward position, the third refiner bars having a third height extending upward from a floor of an adjacent groove and the fourth refiner bars having a fourth height extending upward from an adjacent groove floor, wherein the fourth height is a minimum height of the fourth refiner bars and is spaced apart from the second radially inward position of the fourth refiner bars, and wherein the fourth height is at least 0.35 mm less than the third height.