Title:
【発明の名称】抄紙機ロール
Document Type and Number:
Japanese Patent JP2987598
Kind Code:
B2
Abstract:
A high temperature pressing roll has a cast or formed steel roll which is coated with a molybdenum-containing alloy. The preferred alloy has 14 to 16 percent molybdenum, 28 to 30 percent nickel, 30 to 34 percent chromium, 1.2 to 1.8 percent silicon, 4 to 4.5 percent boron, a maximum of 0.2 percent carbon and copper between 3 and 3.8 percent with the balance being iron. The roll is first coated with a bonding coating consisting of nickel and chromium. This bonding layer is then flame sprayed or plasma sprayed with a molybdenum alloy. The coating once applied is ground to a 30 RA or smoother surface. The molybdenum alloy is sprayed on to achieve a surface depth of approximately forty thousandths of an inch.
Inventors:
KURUUZU JEYAA DABURYUU
Application Number:
JP50303397A
Publication Date:
December 06, 1999
Filing Date:
March 26, 1996
Export Citation:
Assignee:
BEROITO TEKUNOROJIIZU INC
International Classes:
C23C4/08; C22C30/02; C22C38/00; C22C38/12; C22C38/16; C22C38/54; C23C4/18; D21F3/08; (IPC1-7): D21F3/08; C22C38/00; C22C38/16; C22C38/54; C23C4/08
Domestic Patent References:
| JP62130261A | ||||
| JP7279082A | ||||
| JP62142756A | ||||
| JP63210255A |
Attorney, Agent or Firm:
Arata Ishikawa (1 person outside)