Press roll in a paper machine
AssigneeIshikawajima-Harima Heavy Industries Co., Ltd.
InventorsToshiyuki Nasu, Mutsunori Kai
Life of this patent
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Abstract
A press roll is disclosed for removing water, the press roll provided in the press portion of a paper machine. The press roll has a metal base and a sprayed coating provided on the outer surface of the metal base, at least the outer layer of the sprayed coating being a sprayed mixture of a plastics and at least one of a ceramics and a cermet. The outer surface of the plastic portion of the sprayed coating has a lapped, depressed surface relative to the outer surface of the ceramic or cermet portion.
Claims13
A press roll in a paper machine comprising a metal base and a sprayed coating provided on an outer surface of said metal base, at least an outer layer of said sprayed coating comprising a sprayed mixture of a plastics and at least one of a ceramics and a cermet, an outer surface of the plastic portion of said sprayed coating having a lapped, depressed surface relative to the outer surface of the ceramic or cermet portion.
A paper machine comprising a press roll for removing water from wet paper, which is provided in a press portion thereof, the press roll comprising a metal base and a sprayed coating provided on an outer surface of said metal base, at least an outer layer of said sprayed coating comprising a sprayed mixture of a plastics and at least one of a ceramics and a cermet, an outer surface of the plastic portion of said sprayed coating having a lapped, depressed surface relative to the outer surface of the ceramic or cermet portion.
A press roll in a paper machine comprising a metal base and a sprayed coating provided on an outer surface of said metal base, at least an outer layer of said sprayed coating comprising a sprayed mixture of a plastics and at least one of a ceramics and a cermet, wherein said sprayed coating has a structure formed by spraying a high-temperature liquid mixture comprising a plastics and at least one of a ceramics and a cermet on the outer surface of said metal base., an outer surface of the plastic portion of said sprayed coating having a lapped, depressed surface relative to the outer surface of the ceramic or cermet portion.
Dependencies are inferred from the claim text.